/* Yousef Zaqout — Principal dark tech portfolio (Linear / Vercel / Stripe) */

:root,
[data-theme="dark"] {
  --canvas: #090d16;
  --surface: #111726;
  --surface-2: #161e2e;
  --surface-elevated: rgba(17, 23, 38, 0.7);
  --border: rgba(255, 255, 255, 0.1);
  --border-strong: rgba(255, 255, 255, 0.16);
  --text: #f1f5f9;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --accent: #10b981;
  --accent-2: #06b6d4;
  --accent-glow: rgba(16, 185, 129, 0.4);
  --accent-soft: rgba(16, 185, 129, 0.12);
  --cyan-soft: rgba(6, 182, 212, 0.12);
  --danger: #f87171;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-pill: 999px;
  --font: "Plus Jakarta Sans", system-ui, sans-serif;
  --font-ar: "Readex Pro", "Plus Jakarta Sans", system-ui, sans-serif;
  --max: 1140px;
  --header-offset: 6.75rem;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --shadow: 0 28px 64px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 48px rgba(16, 185, 129, 0.12);
  --nav-hover: rgba(255, 255, 255, 0.06);
  --panel-deep: #0a0e16;
  --panel-code: #0d111a;
  --arch-bg: #0c1220;
  --hero-title-from: #ffffff;
  --hero-title-to: #cbd5e1;
  --on-accent: #04110c;
  --overlay-scrim: rgba(0, 0, 0, 0.55);
  color-scheme: dark;
}

[data-theme="light"] {
  --canvas: #f3f6fb;
  --surface: #ffffff;
  --surface-2: #e8eef6;
  --surface-elevated: rgba(255, 255, 255, 0.86);
  --border: rgba(15, 23, 42, 0.1);
  --border-strong: rgba(15, 23, 42, 0.16);
  --text: #0f172a;
  --text-muted: #475569;
  --text-dim: #64748b;
  --accent: #059669;
  --accent-2: #0891b2;
  --accent-glow: rgba(5, 150, 105, 0.28);
  --accent-soft: rgba(5, 150, 105, 0.12);
  --cyan-soft: rgba(8, 145, 178, 0.12);
  --danger: #dc2626;
  --shadow: 0 22px 48px rgba(15, 23, 42, 0.1);
  --shadow-glow: 0 0 40px rgba(5, 150, 105, 0.08);
  --nav-hover: rgba(15, 23, 42, 0.06);
  --panel-deep: #f8fafc;
  --panel-code: #0f172a;
  --arch-bg: #0c1220;
  --hero-title-from: #0f172a;
  --hero-title-to: #334155;
  --on-accent: #04110c;
  --overlay-scrim: rgba(15, 23, 42, 0.4);
  color-scheme: light;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-offset) + 1rem);
}

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--canvas);
  line-height: 1.7;
  font-size: 1.0625rem;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  min-height: 100vh;
}

[dir="rtl"] body,
[dir="rtl"] h1,
[dir="rtl"] h2,
[dir="rtl"] h3,
[dir="rtl"] .logo,
[dir="rtl"] .btn,
[dir="rtl"] .section-badge,
[dir="rtl"] .tag,
[dir="rtl"] .chip,
[dir="rtl"] .tech-logo,
[dir="rtl"] .cred-mark {
  font-family: var(--font-ar);
  letter-spacing: 0;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

button {
  font: inherit;
  border: none;
  background: none;
  cursor: pointer;
  color: inherit;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  inset-inline-start: 1rem;
  top: -100px;
  z-index: 100;
  background: var(--accent);
  color: var(--on-accent);
  padding: 0.6rem 1rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
}

.skip-link:focus {
  top: 1rem;
}

/* —— Atmosphere —— */
.page-atmosphere {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.5;
}

.glow-a {
  width: 560px;
  height: 560px;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.3), transparent 70%);
  top: -140px;
  inset-inline-start: -100px;
}

.glow-b {
  width: 520px;
  height: 520px;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.24), transparent 70%);
  top: 38%;
  inset-inline-end: -140px;
}

.glow-c {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.14), transparent 70%);
  bottom: 10%;
  inset-inline-start: 20%;
}

.grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.028) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse 85% 55% at 50% 0%, black 15%, transparent 72%);
  opacity: 0.6;
}

.container {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
  position: relative;
  z-index: 1;
}

main {
  position: relative;
  z-index: 0;
}

/* —— Header —— */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  padding: 0.75rem 1rem 0.5rem;
  isolation: isolate;
  background: color-mix(in srgb, var(--canvas) 92%, transparent);
  backdrop-filter: blur(14px) saturate(1.15);
  -webkit-backdrop-filter: blur(14px) saturate(1.15);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: color-mix(in srgb, var(--canvas) 92%, transparent);
  pointer-events: none;
}

.nav-shell {
  width: min(100%, var(--max));
  margin-inline: auto;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.6rem 0.75rem 0.6rem 1.2rem;
  background: color-mix(in srgb, var(--surface) 95%, transparent);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  backdrop-filter: blur(18px) saturate(1.2);
  -webkit-backdrop-filter: blur(18px) saturate(1.2);
  box-shadow: var(--shadow);
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease), background 0.3s;
  position: relative;
  z-index: 1;
}

.site-header.is-scrolled .nav-shell {
  background: color-mix(in srgb, var(--canvas) 98%, transparent);
  border-color: var(--border-strong);
  box-shadow: var(--shadow);
}

.logo {
  font-weight: 800;
  font-size: 0.95rem;
  letter-spacing: -0.03em;
  white-space: nowrap;
  background: linear-gradient(135deg, var(--hero-title-from), var(--hero-title-to));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.1rem;
  margin-inline-start: auto;
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
  padding: 0.45rem 0.7rem;
  border-radius: var(--radius-pill);
  transition: color 0.2s, background 0.2s;
}

.nav-links a:hover,
.nav-links a.is-active {
  color: var(--text);
  background: var(--nav-hover);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.lang-toggle {
  display: inline-flex;
  padding: 0.18rem;
  border-radius: var(--radius-pill);
  background: color-mix(in srgb, var(--surface-2) 80%, transparent);
  border: 1px solid var(--border);
  position: relative;
}

.lang-toggle button {
  min-width: 2.25rem;
  padding: 0.32rem 0.55rem;
  border-radius: var(--radius-pill);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-muted);
  transition: background 0.25s, color 0.25s, box-shadow 0.25s;
  position: relative;
  z-index: 1;
}

.lang-toggle button.is-active {
  background: var(--accent);
  color: var(--on-accent);
  box-shadow: none;
}

.theme-toggle {
  display: inline-flex;
  padding: 0.18rem;
  border-radius: var(--radius-pill);
  background: color-mix(in srgb, var(--surface-2) 80%, transparent);
  border: 1px solid var(--border);
  gap: 0.05rem;
}

.theme-toggle button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.85rem;
  height: 1.85rem;
  border-radius: var(--radius-pill);
  color: var(--text-muted);
  transition: background 0.25s, color 0.25s, box-shadow 0.25s;
}

.theme-toggle button svg {
  color: inherit;
  stroke: currentColor;
}

.theme-toggle button:hover {
  color: var(--text);
  background: var(--nav-hover);
}

.theme-toggle button.is-active {
  background: var(--accent);
  color: var(--on-accent);
  box-shadow: none;
}

[data-theme="light"] .theme-toggle button {
  color: var(--text-muted);
}

[data-theme="light"] .theme-toggle button:hover {
  color: var(--text);
}

[data-theme="light"] .theme-toggle button.is-active {
  color: var(--on-accent);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.menu-toggle {
  display: none;
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 50%;
  border: 1px solid var(--border);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}

.menu-toggle span {
  display: block;
  width: 14px;
  height: 1.5px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.25s var(--ease);
}

.menu-toggle[aria-expanded="true"] span:first-child {
  transform: translateY(3.25px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:last-child {
  transform: translateY(-3.25px) rotate(-45deg);
}

/* —— Buttons —— */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.8rem 1.35rem;
  border-radius: var(--radius-pill);
  font-size: 0.9rem;
  font-weight: 600;
  transition: transform 0.25s var(--ease), background 0.25s, border-color 0.25s, box-shadow 0.25s;
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: var(--on-accent);
  box-shadow: 0 0 0 1px rgba(16, 185, 129, 0.45), 0 8px 28px var(--accent-glow);
}

.btn-primary:hover {
  box-shadow: 0 0 0 1px rgba(16, 185, 129, 0.6), 0 14px 36px rgba(16, 185, 129, 0.5);
}

.btn-glow {
  animation: pulse-glow 3.2s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%,
  100% {
    box-shadow: 0 0 0 1px rgba(16, 185, 129, 0.4), 0 8px 24px var(--accent-glow);
  }
  50% {
    box-shadow: 0 0 0 1px rgba(16, 185, 129, 0.55), 0 10px 40px rgba(16, 185, 129, 0.55);
  }
}

.btn-glass {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  color: var(--text);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.btn-glass:hover {
  border-color: var(--border-strong);
  background: rgba(255, 255, 255, 0.08);
}

.btn-nav {
  padding: 0.5rem 1.05rem;
  font-size: 0.8rem;
}

.btn-sm {
  padding: 0.4rem 0.85rem;
  font-size: 0.75rem;
}

.btn-text {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
  padding: 0.5rem 0.15rem;
  transition: color 0.2s, gap 0.25s var(--ease);
}

.btn-text:hover {
  color: var(--accent-2);
  gap: 0.5rem;
}

/* —— Hero (full-bleed visual plane) —— */
.hero {
  position: relative;
  z-index: 0;
  padding: 5rem 0 4rem;
  min-height: min(88vh, 820px);
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
  opacity: 0.38;
  filter: saturate(0.85) brightness(0.55);
}

.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--canvas) 55%, transparent) 0%, color-mix(in srgb, var(--canvas) 82%, transparent) 55%, var(--canvas) 100%),
    radial-gradient(ellipse 70% 50% at 70% 40%, var(--accent-soft), transparent 60%),
    radial-gradient(ellipse 50% 40% at 20% 60%, var(--cyan-soft), transparent 55%);
}

.hero .container {
  z-index: 2;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3.25rem;
  align-items: center;
}

.hero-brand {
  display: none;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 1.15rem;
  padding: 0.35rem 0.75rem 0.35rem 0.5rem;
  border-radius: var(--radius-pill);
  background: rgba(17, 23, 38, 0.55);
  border: 1px solid var(--border);
  backdrop-filter: blur(10px);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
  animation: blink 2s ease-in-out infinite;
  flex-shrink: 0;
}

@keyframes blink {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.4;
  }
}

.hero-title {
  font-size: clamp(2.5rem, 5.5vw, 3.75rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.04em;
  margin-bottom: 1.35rem;
  max-width: 14ch;
  background: linear-gradient(180deg, var(--hero-title-from) 15%, var(--hero-title-to) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

[dir="rtl"] .hero-title {
  max-width: 16ch;
  line-height: 1.28;
  letter-spacing: 0;
  margin-bottom: 1.55rem;
}

.hero-lead {
  color: var(--text-muted);
  font-size: 1.0625rem;
  max-width: 34rem;
  margin-bottom: 1.75rem;
  line-height: 1.75;
}

[dir="rtl"] .hero-lead {
  font-size: 1.1rem;
  line-height: 1.9;
  margin-bottom: 1.9rem;
  letter-spacing: 0.01em;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.75rem;
}

/* Tech logos */
.tech-logos {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.tech-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.45rem 0.75rem;
  border-radius: var(--radius-sm);
  background: var(--surface);
  border: 1px solid var(--border);
  backdrop-filter: blur(8px);
  color: var(--text);
  font-size: 0.78rem;
  font-weight: 600;
  transition: transform 0.25s var(--ease), border-color 0.25s, box-shadow 0.25s, color 0.25s, background 0.25s;
}

.tech-logo svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.tech-logo:hover,
.tech-logo.is-active {
  transform: translateY(-3px);
  color: var(--text);
  border-color: color-mix(in srgb, var(--accent) 45%, transparent);
  background: var(--accent-soft);
  box-shadow: var(--shadow-glow);
}

.hero-visual {
  position: relative;
}

.ide-stack {
  display: grid;
  gap: 0.85rem;
}

/* VS Code-style IDE frame */
.ide-frame {
  background: var(--panel-code);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow), var(--shadow-glow);
}

.ide-titlebar {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.55rem 0.75rem;
  background: color-mix(in srgb, var(--surface-2) 90%, var(--canvas));
  border-bottom: 1px solid var(--border);
}

.ide-dots {
  display: flex;
  gap: 0.35rem;
}

.ide-tab {
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--text-dim);
  padding: 0.25rem 0.65rem;
  border-radius: 6px 6px 0 0;
  background: rgba(255, 255, 255, 0.04);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  direction: ltr;
}

.copy-btn {
  margin-inline-start: auto;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.6rem;
  border-radius: 6px;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-muted);
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}

.copy-btn:hover,
.copy-btn.is-copied {
  color: var(--accent);
  border-color: rgba(16, 185, 129, 0.35);
  background: var(--accent-soft);
}

.ide-body {
  padding: 0.75rem 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  max-width: 100%;
}

.ide-code,
.ide-tab,
.sandbox-output,
.sandbox-payload,
.sandbox-badge {
  font-family: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

.ide-code {
  font-size: 0.78rem;
  line-height: 1.75;
  color: #cbd5e1;
  white-space: pre;
}

.c-line {
  display: block;
  padding-inline-end: 1rem;
}

.c-line:hover {
  background: rgba(255, 255, 255, 0.03);
}

.c-gutter {
  display: inline-block;
  width: 2.4rem;
  text-align: end;
  padding-inline-end: 1rem;
  color: #475569;
  user-select: none;
}

.c-muted {
  color: #94a3b8;
}
.c-key {
  color: #c4b5fd;
}
.c-fn {
  color: #22d3ee;
}
.c-str {
  color: #34d399;
}
.c-num {
  color: #fbbf24;
}

/* API Sandbox */
.api-sandbox {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
}

.sandbox-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
  padding: 0.65rem 0.9rem;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--border);
}

.sandbox-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

.sandbox-badge {
  font-family: ui-monospace, Menlo, Consolas, monospace;
  font-size: 0.7rem;
  color: var(--text-dim);
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
}

.sandbox-body {
  padding: 0.9rem;
}

.sandbox-prompt {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
  padding: 0.55rem 0.7rem;
  background: var(--panel-code);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  color-scheme: dark;
}

.sandbox-prompt-sign {
  color: var(--accent);
  font-weight: 700;
  font-family: ui-monospace, Menlo, Consolas, monospace;
}

.sandbox-prompt code {
  flex: 1;
  min-width: 0;
  max-width: 100%;
  font-family: ui-monospace, Menlo, Consolas, monospace;
  font-size: 0.75rem;
  color: #cbd5e1;
  overflow: hidden;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  word-break: break-word;
  unicode-bidi: isolate;
}

.sandbox-output {
  min-height: 7.5rem;
  padding: 0.75rem;
  background: var(--panel-code);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  font-family: ui-monospace, Menlo, Consolas, monospace;
  font-size: 0.75rem;
  line-height: 1.65;
  color: #e2e8f0;
  overflow-x: hidden;
  overflow-y: auto;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  word-break: break-word;
  max-width: 100%;
  unicode-bidi: isolate;
  color-scheme: dark;
  scrollbar-width: thin;
  scrollbar-color: rgba(16, 185, 129, 0.35) transparent;
}

.sandbox-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.latency-pill,
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.3rem 0.65rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
}

.latency-pill {
  color: var(--accent);
  background: var(--accent-soft);
  border-color: rgba(16, 185, 129, 0.3);
  transition: box-shadow 0.3s, background 0.3s, transform 0.3s;
}

.latency-pill.is-flash {
  animation: latency-flash 0.45s ease;
}

@keyframes latency-flash {
  0% {
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.55);
    background: rgba(16, 185, 129, 0.28);
    transform: scale(1);
  }
  40% {
    box-shadow: 0 0 0 8px rgba(16, 185, 129, 0);
    background: rgba(16, 185, 129, 0.4);
    transform: scale(1.06);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
    background: var(--accent-soft);
    transform: scale(1);
  }
}

.latency-pill bdi {
  font-variant-numeric: tabular-nums;
  font-family: ui-monospace, Menlo, Consolas, monospace;
}

.status-pill {
  color: #67e8f9;
  background: var(--cyan-soft);
  border-color: rgba(6, 182, 212, 0.3);
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.dot.red {
  background: #ff5f57;
}
.dot.yellow {
  background: #febc2e;
}
.dot.green {
  background: #28c840;
}

.ratio-16x9 {
  aspect-ratio: 16 / 9;
}

/* —— Metrics —— */
.metrics {
  padding: 0.5rem 0 4.5rem;
  position: relative;
  z-index: 1;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.9rem;
}

.metric-card {
  background: linear-gradient(180deg, var(--surface-2) 0%, var(--surface) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.85rem 1.55rem;
  transition: transform 0.3s var(--ease), border-color 0.3s, box-shadow 0.3s;
  position: relative;
  overflow: hidden;
  min-height: 9.5rem;
}

.metric-card::before {
  content: "";
  position: absolute;
  inset-inline-start: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--accent), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}

.metric-card:hover {
  transform: translateY(-4px);
  border-color: rgba(16, 185, 129, 0.4);
  box-shadow: 0 0 0 1px rgba(16, 185, 129, 0.08), 0 20px 44px rgba(0, 0, 0, 0.4);
}

.metric-card:hover::before {
  opacity: 1;
}

.metric-card strong {
  display: block;
  font-size: 1.85rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 0.65rem;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-variant-numeric: tabular-nums;
}

.metric-card span {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.55;
  display: block;
}

/* —— Sections —— */
section {
  position: relative;
  z-index: 0;
}

.section-head {
  max-width: 42rem;
  margin-bottom: 2.75rem;
}

.section-badge {
  display: inline-flex;
  align-items: center;
  margin-bottom: 0.95rem;
  padding: 0.32rem 0.75rem;
  border-radius: var(--radius-pill);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid rgba(16, 185, 129, 0.28);
  box-shadow: 0 0 20px rgba(16, 185, 129, 0.08);
}

.section-head h2 {
  font-size: clamp(1.85rem, 3.2vw, 2.45rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.2;
  margin-bottom: 0.8rem;
}

.section-head p {
  color: var(--text-muted);
  font-size: 1.05rem;
}

/* —— Problems —— */
.problems {
  padding: 4.5rem 0;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.9rem;
}

.problem-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.55rem;
  transition: transform 0.3s var(--ease), border-color 0.3s, box-shadow 0.3s;
}

.problem-card:hover {
  transform: translateY(-4px);
  border-color: rgba(248, 113, 113, 0.4);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.35);
}

.problem-icon {
  width: 2.5rem;
  height: 2.5rem;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: rgba(248, 113, 113, 0.1);
  color: var(--danger);
  margin-bottom: 1.1rem;
  border: 1px solid rgba(248, 113, 113, 0.2);
}

.problem-icon svg {
  width: 1.15rem;
  height: 1.15rem;
}

.problem-card .num {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--text-dim);
  margin-bottom: 0.5rem;
}

.problem-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.55rem;
  letter-spacing: -0.02em;
}

.problem-card .problem-body {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* —— Services —— */
.services {
  padding: 4.5rem 0;
  position: relative;
}

.services::before {
  content: "";
  position: absolute;
  inset: 10% 0 auto;
  height: 60%;
  background: url("../assets/images/bg-architecture.png") center / cover no-repeat;
  opacity: 0.07;
  mask-image: linear-gradient(180deg, transparent, black 20%, black 80%, transparent);
  pointer-events: none;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.9rem;
  align-items: stretch;
}

.service-card {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.55rem;
  transition: transform 0.3s var(--ease), border-color 0.3s, box-shadow 0.3s;
  position: relative;
}

.service-card:hover {
  transform: translateY(-4px);
  border-color: rgba(16, 185, 129, 0.45);
  box-shadow: 0 0 0 1px rgba(16, 185, 129, 0.12), 0 22px 52px rgba(0, 0, 0, 0.4);
}

.service-card.featured {
  border-color: rgba(16, 185, 129, 0.5);
  background:
    radial-gradient(ellipse at top, rgba(16, 185, 129, 0.12), transparent 55%),
    var(--surface);
  box-shadow: 0 0 48px rgba(16, 185, 129, 0.1);
}

.service-card.featured::after {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(160deg, rgba(16, 185, 129, 0.55), transparent 40%, rgba(6, 182, 212, 0.25));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.service-card .tag {
  display: inline-flex;
  align-self: flex-start;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--accent-2);
  background: var(--cyan-soft);
  border: 1px solid rgba(6, 182, 212, 0.28);
  padding: 0.28rem 0.65rem;
  border-radius: var(--radius-pill);
  margin-bottom: 1.05rem;
}

.service-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.55rem;
  line-height: 1.3;
}

.service-card .for {
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-bottom: 0.8rem;
}

.service-card .problem-text {
  font-size: 0.92rem;
  color: var(--text-muted);
  margin-bottom: 1.1rem;
}

.service-card ul {
  display: grid;
  gap: 0.55rem;
  margin-bottom: 1.35rem;
  flex: 1;
}

.service-card li {
  position: relative;
  padding-inline-start: 1.25rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.service-card li::before {
  content: "";
  position: absolute;
  inset-inline-start: 0;
  top: 0.55rem;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent-glow);
}

.value-badge {
  margin-top: auto;
  padding: 0.9rem 1rem;
  border-radius: var(--radius-sm);
  background: var(--accent-soft);
  border: 1px solid rgba(16, 185, 129, 0.22);
}

.value-badge span {
  display: block;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.3rem;
}

.value-badge .benefit {
  font-size: 0.85rem;
  color: var(--text);
  line-height: 1.5;
}

/* —— Portfolio —— */
.portfolio {
  padding: 4.5rem 0;
}

.portfolio-list {
  display: grid;
  gap: 2.75rem;
}

.case-card {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 2.15rem;
  align-items: center;
  padding: 1.3rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 6px);
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s var(--ease);
}

.case-card[hidden] {
  display: none !important;
}

.case-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  box-shadow: 0 28px 60px rgba(0, 0, 0, 0.45);
}

.case-card.reverse .case-media {
  order: 2;
}

.case-card.reverse .case-body {
  order: 1;
}

[dir="rtl"] .case-card:not(.reverse) .case-media {
  order: 2;
}

[dir="rtl"] .case-card:not(.reverse) .case-body {
  order: 1;
}

[dir="rtl"] .case-card.reverse .case-media {
  order: 1;
}

[dir="rtl"] .case-card.reverse .case-body {
  order: 2;
}

.case-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.9rem;
}

.chip {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.28rem 0.65rem;
  border-radius: var(--radius-pill);
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
}

.case-body h3 {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  margin-bottom: 1.1rem;
}

.case-proof {
  margin: -0.55rem 0 1.1rem;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.01em;
  line-height: 1.45;
}

/* Portfolio pagination */
.mt-12 {
  margin-top: 3rem;
}

.portfolio-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.portfolio-pagination[hidden] {
  display: none !important;
}

.page-numbers {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.page-btn,
.page-num {
  appearance: none;
  font-family: ui-monospace, Menlo, Consolas, monospace;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.55rem 0.85rem;
  cursor: pointer;
  transition: color 0.2s, background 0.2s, border-color 0.2s, box-shadow 0.2s, transform 0.2s var(--ease);
}

.page-num {
  min-width: 2.4rem;
  text-align: center;
}

.page-btn:hover:not(:disabled),
.page-num:hover {
  color: var(--accent);
  border-color: color-mix(in srgb, var(--accent) 45%, transparent);
  background: var(--accent-soft);
  box-shadow: var(--shadow-glow);
}

.page-num.is-active {
  color: var(--on-accent);
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: var(--shadow-glow);
  font-weight: 700;
}

.page-btn:disabled {
  color: var(--text-dim);
  background: var(--surface-2);
  border-color: var(--border);
  opacity: 0.65;
  cursor: not-allowed;
}

.page-btn:focus-visible,
.page-num:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--accent) 55%, transparent);
  outline-offset: 2px;
}

/* Architecture diagrams */
.arch-frame {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.arch-chrome {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.7rem 0.95rem;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--border);
}

.arch-chrome .ide-dots {
  flex-shrink: 0;
}

.arch-title {
  font-family: ui-monospace, Menlo, Consolas, monospace;
  font-size: 0.72rem;
  color: var(--text-dim);
  margin-inline-end: auto;
}

.arch-chip {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent-2);
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-pill);
  background: var(--cyan-soft);
  border: 1px solid rgba(6, 182, 212, 0.28);
}

.arch-canvas {
  background: var(--arch-bg);
  overflow: hidden;
}

.arch-svg {
  width: 100%;
  height: 100%;
  display: block;
}

/* CASR visual cards */
.casr-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem;
  margin-bottom: 1.35rem;
}

.casr-card {
  padding: 0.85rem 0.9rem;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: border-color 0.25s, background 0.25s, transform 0.25s var(--ease);
}

.casr-card:hover {
  transform: translateY(-2px);
  border-color: rgba(16, 185, 129, 0.3);
  background: rgba(16, 185, 129, 0.06);
}

.casr-label {
  display: block;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.35rem;
}

.casr-card[data-casr="outcome"] .casr-label {
  color: var(--accent-2);
}

.casr-card p {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.55;
}

.case-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  align-items: center;
}

.case-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--accent-2);
  transition: gap 0.25s var(--ease), color 0.2s;
}

.case-link::after {
  content: "→";
  transition: transform 0.25s var(--ease);
}

[dir="rtl"] .case-link::after {
  content: "←";
}

.case-link:hover {
  color: #67e8f9;
  gap: 0.55rem;
}

/* LTR islands for mixed bi-di content */
bdi,
.ltr-island,
[dir="ltr"].ide-body,
[dir="ltr"].sandbox-body,
.arch-title,
.sandbox-badge,
.ide-tab,
#sandbox-curl-preview,
.ep-btn bdi,
.status-pill {
  unicode-bidi: isolate;
}

/* —— Why / Bento —— */
.why {
  padding: 4.5rem 0;
}

.bento-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.9rem;
}

.bento-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.55rem;
  transition: transform 0.3s var(--ease), border-color 0.3s, box-shadow 0.3s;
}

.bento-card:hover {
  transform: translateY(-4px);
  border-color: rgba(6, 182, 212, 0.4);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.35);
}

.bento-lg {
  grid-column: span 2;
  background:
    radial-gradient(ellipse at top left, rgba(16, 185, 129, 0.12), transparent 50%),
    var(--surface);
}

.bento-wide {
  grid-column: span 2;
  background:
    radial-gradient(ellipse at bottom right, rgba(6, 182, 212, 0.1), transparent 50%),
    var(--surface);
}

.bento-icon {
  width: 2.55rem;
  height: 2.55rem;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: var(--cyan-soft);
  color: var(--accent-2);
  margin-bottom: 1.1rem;
  border: 1px solid rgba(6, 182, 212, 0.22);
}

.bento-icon svg {
  width: 1.2rem;
  height: 1.2rem;
}

.bento-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.55rem;
  letter-spacing: -0.02em;
}

.bento-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* —— About —— */
.about {
  padding: 4.5rem 0;
}

.about-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 2.75rem;
  align-items: center;
}

.portrait-frame {
  aspect-ratio: 1 / 1;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow), 0 0 48px rgba(6, 182, 212, 0.1);
  background: var(--surface);
  position: relative;
}

.portrait-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.06);
  pointer-events: none;
}

.portrait-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

.about-copy .section-badge {
  margin-bottom: 0.95rem;
}

.about-copy h2 {
  font-size: clamp(1.85rem, 3vw, 2.35rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 1.1rem;
}

.about-copy p {
  color: var(--text-muted);
  margin-bottom: 0.9rem;
  font-size: 1rem;
}

.stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 1.35rem 0 1.6rem;
}

.stack span {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  color: var(--text-muted);
  transition: border-color 0.2s, color 0.2s;
}

.stack span:hover {
  border-color: rgba(6, 182, 212, 0.35);
  color: var(--accent-2);
}

/* —— Testimonials —— */
.testimonials {
  padding: 4.5rem 0;
}

.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.9rem;
}

.testimonial-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.55rem;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s var(--ease), border-color 0.3s, box-shadow 0.3s;
}

.testimonial-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.35);
}

.quote-mark {
  font-size: 2.6rem;
  line-height: 1;
  color: var(--accent);
  opacity: 0.45;
  font-weight: 700;
  margin-bottom: 0.45rem;
}

.testimonial-card blockquote {
  font-size: 0.95rem;
  color: var(--text-muted);
  flex: 1;
  margin-bottom: 1.35rem;
}

.testimonial-footer {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.avatar-wrap {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  overflow: hidden;
  border: 1px solid var(--border);
  flex-shrink: 0;
  background: var(--surface-2);
}

.avatar-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.avatar-wrap.avatar-logo {
  background: #fff;
}

.avatar-wrap.avatar-logo img {
  object-fit: contain;
  padding: 2px;
}

.testimonial-footer cite {
  display: block;
  font-style: normal;
  font-weight: 700;
  font-size: 0.9rem;
}

.testimonial-footer .role {
  font-size: 0.75rem;
  color: var(--text-dim);
}

.verified {
  margin-inline-start: auto;
  color: var(--accent);
  display: grid;
  place-items: center;
}

/* —— Credentials —— */
.credentials {
  padding: 4.5rem 0;
}

.cred-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.9rem;
}

.cred-card {
  display: flex;
  gap: 0.9rem;
  align-items: flex-start;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.2rem;
  transition: transform 0.3s var(--ease), border-color 0.3s, box-shadow 0.3s;
}

.cred-card:hover {
  transform: translateY(-3px);
  border-color: rgba(6, 182, 212, 0.35);
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.3);
}

.cred-mark {
  flex-shrink: 0;
  min-width: 2.65rem;
  height: 2.65rem;
  display: grid;
  place-items: center;
  border-radius: 10px;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--accent-2);
  background: var(--cyan-soft);
  border: 1px solid rgba(6, 182, 212, 0.28);
}

.cred-card h3 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.cred-card p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* —— Contact —— */
.contact {
  padding: 2rem 0 4.5rem;
}

.contact-panel {
  position: relative;
  padding: 3.25rem 2.75rem;
  border-radius: calc(var(--radius) + 6px);
  background:
    radial-gradient(ellipse at top right, rgba(16, 185, 129, 0.14), transparent 50%),
    radial-gradient(ellipse at bottom left, rgba(6, 182, 212, 0.12), transparent 50%),
    var(--surface);
  box-shadow: var(--shadow);
  text-align: center;
  overflow: hidden;
}

.contact-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.55), rgba(6, 182, 212, 0.4), rgba(255, 255, 255, 0.08));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

.contact-panel .section-badge {
  margin-bottom: 1.05rem;
}

.contact-panel h2 {
  font-size: clamp(1.9rem, 3.5vw, 2.55rem);
  font-weight: 800;
  letter-spacing: -0.035em;
  margin-bottom: 0.9rem;
}

.contact-panel > p {
  color: var(--text-muted);
  max-width: 34rem;
  margin-inline: auto;
  margin-bottom: 0.65rem;
}

.contact-note {
  font-size: 0.9rem !important;
  color: var(--text-dim) !important;
  margin-bottom: 1.6rem !important;
}

.contact-ctas {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 1.35rem;
}

.contact-secondary {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.15rem;
}

.cv-actions {
  display: inline-flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 0.55rem;
}

.cv-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: 2.35rem;
  padding: 0.45rem 0.95rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  color: var(--text-muted);
  font: inherit;
  font-size: 0.84rem;
  font-weight: 600;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}

.cv-chip:hover,
.cv-chip:focus-visible {
  color: var(--text);
  border-color: color-mix(in srgb, var(--accent) 40%, transparent);
  background: var(--accent-soft);
}

.cv-chip svg {
  flex-shrink: 0;
  color: var(--accent);
}

.cv-chip-quiet {
  color: var(--text-dim);
  background: transparent;
}

.contact-social {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 1.35rem;
}

.contact-social a {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.875rem;
  color: var(--text-muted);
  transition: color 0.2s, transform 0.2s;
}

.contact-social a:hover {
  color: var(--accent);
  transform: translateY(-1px);
}

.cv-download-btn {
  display: none;
}

/* CV choice sheet — compact, above sticky WA without competing with it */
.cv-sheet {
  position: fixed;
  inset-inline: 0.75rem;
  bottom: calc(0.75rem + env(safe-area-inset-bottom, 0px));
  z-index: 96;
  width: auto;
  max-width: 420px;
  margin-inline: auto;
  padding: 0.65rem 1rem 1rem;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: 18px;
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px) scale(0.98);
  transition: opacity 0.22s var(--ease), transform 0.22s var(--ease);
}

.cv-sheet.is-open {
  opacity: 1;
  pointer-events: auto;
  transform: none;
}

.cv-sheet-handle {
  width: 2.25rem;
  height: 0.28rem;
  margin: 0.15rem auto 0.85rem;
  border-radius: 999px;
  background: var(--border-strong);
}

.cv-sheet h3 {
  font-size: 1.05rem;
  margin-bottom: 0.25rem;
  text-align: center;
}

.cv-sheet-lead {
  color: var(--text-muted);
  font-size: 0.84rem;
  text-align: center;
  margin-bottom: 0.95rem;
}

.cv-sheet-actions {
  display: grid;
  gap: 0.55rem;
}

.cv-sheet-option {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.15rem;
  width: 100%;
  padding: 0.85rem 1rem;
  text-align: start;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  transition: border-color 0.15s, background 0.15s;
}

.cv-sheet-option:hover,
.cv-sheet-option:focus-visible {
  border-color: color-mix(in srgb, var(--accent) 45%, transparent);
  background: var(--accent-soft);
}

.cv-sheet-option-label {
  font-weight: 700;
  font-size: 0.92rem;
}

.cv-sheet-option-hint {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.cv-sheet-cancel {
  display: block;
  width: 100%;
  margin-top: 0.65rem;
  padding: 0.75rem;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font: inherit;
  font-weight: 600;
  font-size: 0.88rem;
  border-radius: 10px;
  cursor: pointer;
}

.cv-sheet-cancel:hover,
.cv-sheet-cancel:focus-visible {
  color: var(--text);
  background: var(--nav-hover);
}

body.cv-sheet-open {
  overflow: hidden;
}

body.cv-sheet-open .mobile-wa-cta {
  opacity: 0;
  pointer-events: none;
}

/* —— Footer —— */
.site-footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--border);
  padding: 1.6rem 0 2.15rem;
}

/* —— Telemetry & icon buttons —— */
.telemetry-bar {
  width: min(100%, var(--max));
  margin: 0 auto 0.55rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.45rem 0.75rem;
  padding: 0.4rem 0.9rem;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-muted);
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  backdrop-filter: blur(12px);
  position: relative;
  z-index: 1;
  min-height: 2rem;
}

.telemetry-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.5);
  animation: telemetry-pulse 2s ease-out infinite;
}

@keyframes telemetry-pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.45);
  }
  70% {
    box-shadow: 0 0 0 8px rgba(34, 197, 94, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(34, 197, 94, 0);
  }
}

.telemetry-sep {
  opacity: 0.35;
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.4rem 0.55rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--surface-2) 70%, transparent);
  color: var(--text-muted);
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}

.icon-btn:hover {
  color: var(--text);
  border-color: var(--border-strong);
}

.hotkey-badge,
.icon-btn kbd.hotkey-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.15rem 0.4rem;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.02em;
  line-height: 1.2;
  color: #94a3b8;
  background: #1e293b;
  border: 1px solid #334155;
  border-radius: 5px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
  white-space: nowrap;
  unicode-bidi: isolate;
}

.icon-btn.is-muted .audio-wave {
  opacity: 0.25;
}

/* —— Sandbox extensions —— */
.endpoint-switcher {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.75rem;
  overflow: visible;
}

.endpoint-switcher .ep-btn {
  flex: 0 1 auto;
  white-space: nowrap;
}

.overflow-x-auto {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

bdi[dir="ltr"],
[dir="ltr"] bdi {
  unicode-bidi: isolate;
}

.metric-card bdi,
.sandbox-badge bdi,
.status-pill bdi,
.latency-pill bdi,
.ep-btn bdi,
.ide-tab bdi,
.telemetry-bar bdi {
  white-space: nowrap;
}

.ep-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.65rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.02);
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.68rem;
  color: var(--text-muted);
  transition: border-color 0.2s, background 0.2s, color 0.2s;
}

.ep-btn.is-active,
.ep-btn:hover {
  color: var(--text);
  border-color: rgba(16, 185, 129, 0.4);
  background: var(--accent-soft);
}

.ep-method {
  font-weight: 700;
  font-size: 0.62rem;
  letter-spacing: 0.04em;
}

.ep-method.get {
  color: #34d399;
}
.ep-method.post {
  color: #67e8f9;
}

.cache-toggle {
  display: inline-flex;
  padding: 0.18rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.25);
  margin-bottom: 0.75rem;
  gap: 0.15rem;
}

.cache-btn {
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-pill);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: background 0.2s, color 0.2s;
}

.cache-btn.is-active {
  background: var(--accent-soft);
  color: var(--accent);
}

.sandbox-field-label {
  display: block;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 0.35rem;
}

.sandbox-payload {
  width: 100%;
  max-width: 100%;
  margin-bottom: 0.75rem;
  padding: 0.65rem 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--panel-code);
  color: #e2e8f0;
  color-scheme: dark;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.72rem;
  line-height: 1.55;
  resize: vertical;
  overflow-x: hidden;
  overflow-y: auto;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  word-break: break-word;
  box-sizing: border-box;
  scrollbar-width: thin;
  scrollbar-color: rgba(16, 185, 129, 0.35) transparent;
}

.sandbox-prompt {
  flex-wrap: wrap;
  align-items: flex-start;
}

.sandbox-prompt code {
  font-family: "JetBrains Mono", ui-monospace, monospace;
}

.sandbox-prompt .btn {
  flex-shrink: 0;
  margin-top: 0.05rem;
}

.api-sandbox,
.sandbox-prompt,
.endpoint-switcher {
  scrollbar-width: none;
}

.api-sandbox::-webkit-scrollbar,
.sandbox-prompt::-webkit-scrollbar,
.endpoint-switcher::-webkit-scrollbar,
.sandbox-prompt code::-webkit-scrollbar {
  display: none;
  width: 0;
  height: 0;
}

.ide-frame,
.api-sandbox,
.arch-frame {
  box-shadow: var(--shadow), 0 0 0 1px rgba(16, 185, 129, 0.08), 0 0 40px rgba(16, 185, 129, 0.06);
}

/* —— Interactive architecture —— */
.arch-canvas {
  position: relative;
}

.arch-node rect {
  transition: stroke 0.2s, filter 0.2s, opacity 0.2s;
}

.arch-node.is-active rect {
  stroke: #10b981 !important;
  filter: drop-shadow(0 0 10px rgba(16, 185, 129, 0.45));
}

.arch-node.is-dim {
  opacity: 0.35;
}

.arch-edge {
  transition: stroke 0.25s, opacity 0.25s;
}

.arch-edge.is-lit {
  stroke: #10b981 !important;
  stroke-width: 2.5;
  filter: drop-shadow(0 0 6px rgba(16, 185, 129, 0.5));
}

.arch-edge.is-dim {
  opacity: 0.25;
}

.arch-popover {
  position: absolute;
  inset-inline-start: 0.75rem;
  bottom: 0.75rem;
  max-width: min(280px, 90%);
  padding: 0.85rem 1rem;
  background: rgba(17, 23, 38, 0.92);
  border: 1px solid rgba(16, 185, 129, 0.35);
  border-radius: var(--radius-sm);
  backdrop-filter: blur(14px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
  z-index: 2;
}

.arch-pop-title {
  display: block;
  font-size: 0.9rem;
  margin-bottom: 0.45rem;
}

.arch-pop-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  margin-bottom: 0.5rem;
}

.arch-pop-why {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* —— Rigor section —— */
.rigor {
  padding: 4.5rem 0;
}

.rigor-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.9rem;
}

.rigor-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  overflow: hidden;
}

.rigor-bad {
  border-color: rgba(248, 113, 113, 0.25);
}

.rigor-good {
  border-color: rgba(16, 185, 129, 0.35);
  background:
    radial-gradient(ellipse at top, rgba(16, 185, 129, 0.08), transparent 55%),
    var(--surface);
}

.rigor-tag {
  display: inline-flex;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.25rem 0.55rem;
  border-radius: var(--radius-pill);
  margin-bottom: 0.75rem;
}

.rigor-tag.bad {
  color: #b91c1c;
  background: rgba(248, 113, 113, 0.14);
  border: 1px solid rgba(248, 113, 113, 0.35);
}

[data-theme="dark"] .rigor-tag.bad {
  color: #fca5a5;
}

.rigor-tag.good {
  color: var(--on-accent);
  background: var(--accent);
  border: 1px solid var(--accent);
}

.rigor-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 0.85rem;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.rigor-stats bdi {
  color: var(--text);
  font-weight: 700;
}

.rigor-code {
  padding: 0.85rem;
  border-radius: var(--radius-sm);
  background: var(--panel-code);
  border: 1px solid var(--border);
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.72rem;
  line-height: 1.65;
  color: #e2e8f0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-bottom: 1rem;
  white-space: pre;
  color-scheme: dark;
}

.rigor-meters label {
  display: block;
  font-size: 0.7rem;
  color: var(--text-dim);
  margin-bottom: 0.3rem;
}

.meter {
  height: 8px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--text) 10%, transparent);
  overflow: hidden;
  margin-bottom: 0.75rem;
}

.meter-fill {
  display: block;
  height: 100%;
  width: 0;
  border-radius: inherit;
  transition: width 1s var(--ease);
}

.meter-fill.bad {
  background: linear-gradient(90deg, #f87171, #fb923c);
}

.meter-fill.good {
  background: linear-gradient(90deg, #10b981, #06b6d4);
}

/* —— Overlays / Cmd+K / Drawer —— */
.overlay-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(2, 6, 14, 0.65);
  backdrop-filter: blur(6px);
  z-index: 80;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s;
}

.overlay-backdrop.is-open {
  opacity: 1;
  pointer-events: auto;
}

#cv-backdrop.is-open {
  z-index: 95;
}

.cmd-palette {
  position: fixed;
  inset-inline: 0;
  top: 18vh;
  z-index: 90;
  display: flex;
  justify-content: center;
  pointer-events: none;
  opacity: 0;
  transform: translateY(-8px);
  transition: opacity 0.2s, transform 0.2s var(--ease);
}

.cmd-palette.is-open {
  opacity: 1;
  transform: none;
  pointer-events: auto;
}

.cmd-shell {
  width: min(560px, calc(100% - 2rem));
  max-height: min(72vh, 520px);
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: 14px;
  box-shadow: var(--shadow);
  overflow: hidden;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  color: var(--text);
}

.cmd-prompt-row {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  background: var(--surface-2);
}

.cmd-prompt-sign {
  color: var(--accent);
  font-weight: 700;
}

#cmd-input {
  flex: 1;
  min-width: 0;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text);
  font: inherit;
  font-size: 0.9rem;
  caret-color: var(--accent);
}

#cmd-input::placeholder {
  color: var(--text-muted);
  opacity: 0.85;
}

.cmd-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  flex-shrink: 0;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1;
  touch-action: manipulation;
  transition: color 0.15s, background 0.15s, border-color 0.15s;
}

.cmd-close:hover,
.cmd-close:focus-visible {
  color: var(--text);
  background: var(--accent-soft);
  border-color: color-mix(in srgb, var(--accent) 40%, transparent);
}

.cmd-esc-hint {
  font-size: 0.65rem;
  color: var(--text-muted);
  border: 1px solid var(--border);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  background: var(--surface);
}

.cmd-prompt-row kbd {
  font-size: 0.65rem;
  color: var(--text-muted);
  border: 1px solid var(--border);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  background: var(--surface);
}

.cmd-results {
  max-height: 280px;
  overflow: auto;
  flex: 1;
  min-height: 0;
  background: var(--surface);
  scrollbar-width: thin;
  scrollbar-color: color-mix(in srgb, var(--accent) 45%, transparent) transparent;
}

.cmd-results::-webkit-scrollbar {
  width: 8px;
}

.cmd-results::-webkit-scrollbar-thumb {
  background: color-mix(in srgb, var(--accent) 40%, var(--text-muted));
  border-radius: 999px;
}

.cmd-results::-webkit-scrollbar-track {
  background: transparent;
}

.cmd-item {
  width: 100%;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 1rem;
  text-align: start;
  color: var(--text);
  border-bottom: 1px solid var(--border);
  transition: background 0.15s, color 0.15s;
}

.cmd-item:hover,
.cmd-item:focus-visible {
  background: var(--accent-soft);
  color: var(--text);
}

.cmd-item code {
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 600;
}

.cmd-item span {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.cmd-item:hover span,
.cmd-item:focus-visible span {
  color: var(--text);
}

.cmd-empty {
  padding: 1rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.cmd-hint {
  padding: 0.65rem 1rem;
  font-size: 0.65rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
  background: var(--surface-2);
}

.openapi-drawer {
  position: fixed;
  inset-block: 0;
  inset-inline-end: 0;
  width: min(480px, 100%);
  background: var(--panel-code);
  border-inline-start: 1px solid var(--border);
  z-index: 90;
  transform: translateX(105%);
  transition: transform 0.35s var(--ease);
  display: flex;
  flex-direction: column;
  box-shadow: -20px 0 60px rgba(0, 0, 0, 0.45);
}

[dir="rtl"] .openapi-drawer {
  transform: translateX(-105%);
}

.openapi-drawer.is-open,
[dir="rtl"] .openapi-drawer.is-open {
  transform: none;
}

.drawer-head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.15rem 1.25rem;
  border-bottom: 1px solid var(--border);
}

.drawer-head h3 {
  font-size: 1.1rem;
  margin-bottom: 0.25rem;
}

.drawer-meta {
  font-size: 0.72rem;
  color: var(--text-dim);
  font-family: "JetBrains Mono", ui-monospace, monospace;
}

.drawer-body {
  padding: 1rem 1.25rem 2rem;
  overflow: auto;
  flex: 1;
}

.oa-path {
  margin-bottom: 1.25rem;
  padding-bottom: 1.15rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.oa-path header {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin-bottom: 0.45rem;
}

.oa-path code {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.82rem;
}

.oa-method {
  font-size: 0.65rem;
  font-weight: 800;
  padding: 0.2rem 0.45rem;
  border-radius: 6px;
}

.oa-get {
  color: #34d399;
  background: rgba(16, 185, 129, 0.12);
}
.oa-post {
  color: #67e8f9;
  background: rgba(6, 182, 212, 0.12);
}

.oa-path p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 0.65rem;
}

.oa-path h5 {
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin: 0.55rem 0 0.3rem;
}

.oa-path pre {
  padding: 0.65rem;
  border-radius: 8px;
  background: var(--panel-deep);
  border: 1px solid var(--border);
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.72rem;
  overflow-x: auto;
}

.contact-modal {
  position: fixed;
  inset-inline: 0;
  top: 22vh;
  margin-inline: auto;
  width: min(400px, calc(100% - 2rem));
  z-index: 95;
  padding: 1.75rem 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity 0.25s, transform 0.25s var(--ease);
}

.contact-modal.is-open {
  opacity: 1;
  pointer-events: auto;
  transform: none;
}

.contact-modal h3 {
  margin-bottom: 0.5rem;
}

.contact-modal > p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 1.25rem;
}

.modal-x {
  position: absolute;
  top: 0.75rem;
  inset-inline-end: 0.75rem;
}

body.drawer-open {
  overflow: hidden;
}

@media (max-width: 980px) {
  .rigor-grid {
    grid-template-columns: 1fr;
  }

  .telemetry-bar {
    font-size: 0.65rem;
  }
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--text-dim);
}

.footer-sep {
  margin-inline: 0.35rem;
}

.footer-links {
  display: flex;
  gap: 1.25rem;
}

.footer-links a {
  color: var(--text-muted);
  font-weight: 500;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: var(--accent);
}

/* —— Reveal —— */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

.reveal-delay-1 {
  transition-delay: 0.08s;
}
.reveal-delay-2 {
  transition-delay: 0.16s;
}
.reveal-delay-3 {
  transition-delay: 0.24s;
}

/* —— Responsive —— */
@media (max-width: 980px) {
  .hero {
    min-height: auto;
    padding: 3.5rem 0 3rem;
  }

  .hero-grid,
  .about-grid,
  .case-card {
    grid-template-columns: 1fr;
  }

  .casr-grid {
    grid-template-columns: 1fr;
  }

  .case-card .case-media,
  .case-card .case-body,
  .case-card.reverse .case-media,
  .case-card.reverse .case-body,
  [dir="rtl"] .case-card .case-media,
  [dir="rtl"] .case-card .case-body,
  [dir="rtl"] .case-card.reverse .case-media,
  [dir="rtl"] .case-card.reverse .case-body {
    order: initial;
  }

  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .bento-grid {
    grid-template-columns: 1fr 1fr;
  }

  .bento-lg,
  .bento-wide {
    grid-column: span 2;
  }

  .cred-grid {
    grid-template-columns: 1fr 1fr;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: calc(100% + 0.5rem);
    inset-inline: 0;
    flex-direction: column;
    padding: 0.75rem;
    background: color-mix(in srgb, var(--surface) 96%, transparent);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    backdrop-filter: blur(18px);
    box-shadow: var(--shadow);
  }

  .nav-links.is-open {
    display: flex;
  }

  .nav-shell {
    position: relative;
    border-radius: 1.25rem;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .btn-nav {
    display: none;
  }

  .hero-visual {
    order: -1;
  }
}

@media (max-width: 640px) {
  .hero {
    padding-top: 2.25rem;
  }

  .hero-title {
    font-size: 2.15rem;
  }

  .hero-bg img {
    opacity: 0.28;
  }

  .metrics-grid,
  .problem-grid,
  .testimonial-grid,
  .bento-grid,
  .cred-grid {
    grid-template-columns: 1fr;
  }

  .bento-lg,
  .bento-wide {
    grid-column: span 1;
  }

  .contact-panel {
    padding: 2.15rem 1.25rem;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }

  .sandbox-body {
    padding: 0.75rem;
  }

  .sandbox-prompt {
    gap: 0.4rem;
  }

  .sandbox-prompt code {
    flex-basis: 100%;
    order: 3;
    white-space: pre-wrap;
    overflow: hidden;
    overflow-wrap: anywhere;
    word-break: break-word;
  }

  .cmd-palette {
    top: max(0.75rem, env(safe-area-inset-top));
    bottom: max(0.75rem, env(safe-area-inset-bottom));
    align-items: flex-start;
    padding-block: 0;
  }

  .cmd-shell {
    width: calc(100% - 1rem);
    max-height: calc(100dvh - 1.5rem - env(safe-area-inset-top) - env(safe-area-inset-bottom));
    border-radius: 12px;
  }

  .cmd-esc-hint {
    display: none;
  }

  .cmd-close {
    width: 2.75rem;
    height: 2.75rem;
    font-size: 1.15rem;
  }

  .cmd-results {
    max-height: none;
  }

  .cmd-item {
    min-height: 3rem;
    padding: 0.9rem 1rem;
  }

  .cache-toggle {
    display: flex;
    width: 100%;
  }

  .cache-btn {
    flex: 1;
    text-align: center;
    min-height: 2.5rem;
  }
}

/* Narrow phones — prevent horizontal clipping */
@media (max-width: 480px) {
  .container {
    width: min(100% - 1.25rem, var(--max));
  }

  .hero-title {
    font-size: clamp(1.65rem, 8vw, 2rem);
    word-break: break-word;
  }

  [dir="rtl"] .hero-title {
    margin-bottom: 1.35rem;
  }

  .hero-lead {
    font-size: 0.95rem;
  }

  [dir="rtl"] .hero-lead {
    font-size: 1rem;
    line-height: 1.85;
  }

  .tech-logos {
    gap: 0.4rem;
  }

  .tech-logo {
    padding: 0.4rem 0.65rem;
    font-size: 0.74rem;
  }

  .tech-logo span {
    max-width: none;
  }

  .portfolio-pagination {
    gap: 0.4rem;
  }

  .page-btn,
  .page-num {
    padding: 0.5rem 0.7rem;
    font-size: 0.72rem;
  }

  .ide-frame,
  .api-sandbox,
  .arch-frame,
  .case-card,
  .rigor-card {
    max-width: 100%;
  }

  .ide-code,
  .rigor-code,
  .oa-path pre {
    font-size: 0.68rem;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .sandbox-output,
  .sandbox-payload {
    font-size: 0.68rem;
    overflow-x: hidden;
    white-space: pre-wrap;
    overflow-wrap: anywhere;
    word-break: break-word;
  }

  .sandbox-badge {
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .metric-card strong {
    font-size: 1.35rem;
  }

  .case-actions {
    flex-wrap: wrap;
  }

  .case-actions .btn,
  .case-actions .case-link {
    width: 100%;
    justify-content: center;
  }

  .nav-shell {
    padding-inline: 0.55rem;
  }

  .logo {
    font-size: 0.92rem;
    max-width: 42vw;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .telemetry-bar {
    font-size: 0.6rem;
    gap: 0.45rem;
  }
}

@media (max-width: 360px) {
  .container {
    width: min(100% - 1rem, var(--max));
  }

  .hero-ctas {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-ctas .btn,
  .hero-ctas .btn-text {
    width: 100%;
    text-align: center;
    justify-content: center;
  }

  .ep-btn {
    font-size: 0.62rem;
    padding: 0.35rem 0.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* —— Light theme atmosphere & surfaces —— */
[data-theme="light"] .glow {
  opacity: 0.28;
}

[data-theme="light"] .grid-overlay {
  background-image:
    linear-gradient(rgba(15, 23, 42, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 23, 42, 0.04) 1px, transparent 1px);
  mask-image: radial-gradient(ellipse at center, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at center, #000 20%, transparent 75%);
}

[data-theme="light"] .telemetry-bar {
  color: var(--text-muted);
}

[data-theme="light"] .hero-bg img {
  opacity: 0.18;
  filter: saturate(0.7) brightness(1.15);
  mix-blend-mode: multiply;
}

[data-theme="light"] .eyebrow {
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  border-color: var(--border);
  color: var(--text-muted);
}

[data-theme="light"] .btn-glass {
  background: rgba(255, 255, 255, 0.7);
  border-color: var(--border);
}

[data-theme="light"] .cmd-shell {
  background: var(--surface);
  border-color: var(--border-strong);
  box-shadow: var(--shadow);
}

[data-theme="light"] .cmd-item code {
  color: var(--accent);
}

[data-theme="light"] .cmd-item span,
[data-theme="light"] #cmd-input::placeholder,
[data-theme="light"] .cmd-hint,
[data-theme="light"] .cmd-empty,
[data-theme="light"] .cmd-esc-hint {
  color: var(--text-muted);
}

[data-theme="light"] .panel-code,
[data-theme="light"] .code-window,
[data-theme="light"] .sandbox-output,
[data-theme="light"] pre,
[data-theme="light"] .ide-frame {
  color-scheme: dark;
}

/* —— Mobile sticky WhatsApp CTA —— */
.mobile-wa-cta {
  display: none;
  position: fixed;
  z-index: 60;
  inset-inline: 1rem;
  bottom: calc(0.85rem + env(safe-area-inset-bottom, 0px));
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  min-height: 3rem;
  padding: 0.75rem 1.1rem;
  border-radius: var(--radius-pill);
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: var(--on-accent);
  font-weight: 700;
  font-size: 0.92rem;
  box-shadow: 0 12px 32px rgba(16, 185, 129, 0.35), var(--shadow);
  text-align: center;
}

.mobile-wa-cta:hover {
  filter: brightness(1.05);
}

@media (max-width: 860px) {
  .mobile-wa-cta {
    display: inline-flex;
  }

  body {
    padding-bottom: calc(4.5rem + env(safe-area-inset-bottom, 0px));
  }

  .nav-actions {
    gap: 0.35rem;
  }

  .theme-toggle button {
    width: 1.65rem;
    height: 1.65rem;
  }

  .lang-toggle button {
    min-width: 1.9rem;
    padding: 0.28rem 0.42rem;
  }

  .cmd-hotkey-btn .hotkey-badge {
    display: none;
  }

  #audio-toggle {
    display: none;
  }
}

@media (max-width: 640px) {
  .telemetry-bar {
    justify-content: flex-start;
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .telemetry-bar::-webkit-scrollbar {
    display: none;
  }

  .nav-shell {
    gap: 0.4rem;
    padding: 0.45rem 0.45rem 0.45rem 0.75rem;
  }

  .nav-actions {
    gap: 0.25rem;
  }

  .theme-toggle {
    padding: 0.1rem;
  }

  .theme-toggle button {
    width: 1.5rem;
    height: 1.5rem;
  }

  .lang-toggle {
    padding: 0.1rem;
  }

  .icon-btn {
    padding: 0.32rem;
  }

  #cmd-open {
    display: none;
  }

  .cv-download-btn {
    display: inline-flex;
  }
}

@media (max-width: 400px) {
  .theme-toggle button[data-theme-pref="system"] {
    display: none;
  }
}