/* ==========================================================================
   Amina Ibrahim Portfolio — Design System & Premium Styles
   ========================================================================== */

:root {
  --primary: #2563EB;
  --primary-soft: rgba(37, 99, 235, 0.15);
  --secondary: #4F46E5;
  --accent: #06B6D4;
  --bg: #0F172A;
  --surface: #1E293B;
  --surface-2: #243247;
  --text: #F8FAFC;
  --muted: #94A3B8;
  --border: rgba(148, 163, 184, 0.16);
  --success: #10B981;
  --warning: #F59E0B;
  --error: #EF4444;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 24px;
  --shadow-soft: 0 18px 50px -24px rgba(0, 0, 0, 0.55);
  --shadow-glow: 0 0 80px rgba(37, 99, 235, 0.22);
  --glass: rgba(15, 23, 42, 0.72);
  --glass-border: rgba(248, 250, 252, 0.08);
  --font-sans: 'Inter', system-ui, sans-serif;
  --font-display: 'Space Grotesk', 'Inter', sans-serif;
  --header-h: 76px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --max: 1180px;
}

[data-theme="light"] {
  --bg: #F8FAFC;
  --surface: #FFFFFF;
  --surface-2: #F1F5F9;
  --text: #0F172A;
  --muted: #64748B;
  --border: rgba(15, 23, 42, 0.1);
  --glass: rgba(255, 255, 255, 0.78);
  --glass-border: rgba(15, 23, 42, 0.08);
  --shadow-soft: 0 18px 50px -28px rgba(15, 23, 42, 0.25);
}

html.high-contrast {
  --primary: #3B82F6;
  --text: #FFFFFF;
  --muted: #E2E8F0;
  --bg: #000000;
  --surface: #111827;
  --border: rgba(255, 255, 255, 0.35);
}

html.large-text { font-size: 112%; }

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background .35s var(--ease), color .35s var(--ease);
}

body.cursor-on { cursor: none; }
body.cursor-on a,
body.cursor-on button { cursor: none; }

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
ul { list-style: none; margin: 0; padding: 0; }
p { margin: 0 0 1rem; }
h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin: 0 0 0.75rem;
}

.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;
}

.skip-link {
  position: absolute; left: 1rem; top: -100px; z-index: 10000;
  background: var(--primary); color: white; padding: .75rem 1rem;
  border-radius: 999px; transition: top .2s;
}
.skip-link:focus { top: 1rem; }

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

.container {
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
}

.section { padding: clamp(4.5rem, 8vw, 7.5rem) 0; position: relative; }
.section-sm { padding: clamp(3rem, 5vw, 4.5rem) 0; }

.section-eyebrow {
  display: inline-flex; align-items: center; gap: .5rem;
  color: var(--accent); font-size: .8rem; font-weight: 600;
  letter-spacing: .14em; text-transform: uppercase; margin-bottom: 1rem;
}
.section-title {
  font-size: clamp(2rem, 4vw, 3.2rem);
  max-width: 16ch;
}
.section-lead {
  color: var(--muted); max-width: 54ch; font-size: 1.05rem; margin-top: .75rem;
}
.section-head {
  display: flex; flex-wrap: wrap; align-items: end; justify-content: space-between;
  gap: 1.5rem; margin-bottom: 3rem;
}

.gradient-text {
  background: linear-gradient(120deg, var(--primary), var(--accent) 55%, var(--secondary));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .55rem;
  border: 1px solid transparent; border-radius: 999px;
  padding: .9rem 1.45rem; font-weight: 600; font-size: .95rem;
  transition: transform .3s var(--ease), background .3s, border-color .3s, box-shadow .3s, color .3s, filter .3s;
  will-change: transform;
}
.btn-sm { padding: .65rem 1.1rem; font-size: .875rem; }
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff; box-shadow: 0 10px 30px -12px rgba(37, 99, 235, .7);
}
.btn-primary:hover { transform: translateY(-3px) scale(1.02); box-shadow: 0 18px 40px -12px rgba(37, 99, 235, .9); }
.btn-secondary {
  background: transparent; border-color: var(--border); color: var(--text);
  backdrop-filter: blur(8px);
}
.btn-secondary:hover { border-color: var(--primary); background: var(--primary-soft); transform: translateY(-2px); }
.btn-ghost { background: transparent; color: var(--muted); }
.btn-ghost:hover { color: var(--text); transform: translateY(-1px); }

/* Cards */
.card {
  background: linear-gradient(180deg, rgba(255,255,255,.03), transparent), var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  transition: transform .45s var(--ease), border-color .45s, box-shadow .45s, background .45s;
}
.card:hover {
  transform: translateY(-8px);
  border-color: rgba(37, 99, 235, .4);
  box-shadow: var(--shadow-glow), var(--shadow-soft);
}
@media (hover: hover) {
  .card.tilt:hover { transform: translateY(-8px) perspective(800px) rotateX(2deg) rotateY(-2deg); }
}
.glass {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
}

/* Loader */
.page-loader {
  position: fixed; inset: 0; z-index: 9999;
  display: grid; place-items: center;
  background: var(--bg);
  transition: opacity .5s var(--ease), visibility .5s;
}
.page-loader.is-done { opacity: 0; visibility: hidden; pointer-events: none; }
.loader-mark { position: relative; width: 72px; height: 72px; display: grid; place-items: center; }
.loader-initials {
  font-family: var(--font-display); font-weight: 700; font-size: 1.25rem;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.loader-ring {
  position: absolute; inset: 0; border-radius: 50%;
  border: 2px solid transparent; border-top-color: var(--primary); border-right-color: var(--accent);
  animation: spin 1s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Scroll progress */
#scroll-progress {
  position: fixed; top: 0; left: 0; height: 3px; width: 0%;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  z-index: 1000; transform-origin: left;
}

/* Header / Nav */
.site-header {
  position: sticky; top: 0; z-index: 900;
  transition: background .3s, border-color .3s, box-shadow .3s;
}
.site-header.is-scrolled {
  background: var(--glass);
  border-bottom: 1px solid var(--glass-border);
  backdrop-filter: blur(18px);
  box-shadow: 0 10px 30px rgba(0,0,0,.15);
}
.nav-shell {
  width: min(100% - 2rem, var(--max));
  margin: 0 auto;
  min-height: var(--header-h);
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
}
.brand { display: inline-flex; align-items: center; gap: .75rem; }
.brand-mark {
  width: 42px; height: 42px; border-radius: 12px;
  display: grid; place-items: center;
  font-family: var(--font-display); font-weight: 700; font-size: .95rem; color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  box-shadow: 0 8px 24px rgba(37,99,235,.35);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-name { font-weight: 700; font-size: .95rem; }
.brand-role { font-size: .72rem; color: var(--muted); }

.nav-panel { display: flex; align-items: center; gap: 1.25rem; }
.nav-links { display: flex; align-items: center; gap: .25rem; }
.nav-link {
  display: inline-flex; align-items: center; gap: .35rem;
  padding: .55rem .85rem; border-radius: 999px;
  color: var(--muted); font-size: .9rem; font-weight: 500;
  background: transparent; border: 0; cursor: pointer;
  transition: color .2s, background .2s;
}
.nav-link:hover, .nav-link.active { color: var(--text); background: rgba(148,163,184,.1); }
.nav-item { position: relative; }
.dropdown-menu {
  position: absolute; top: calc(100% + .5rem); left: 0; min-width: 180px;
  padding: .5rem; border-radius: 14px;
  background: var(--surface); border: 1px solid var(--border);
  box-shadow: var(--shadow-soft);
  opacity: 0; visibility: hidden; transform: translateY(8px);
  transition: .2s var(--ease);
}
.has-dropdown:hover .dropdown-menu,
.has-dropdown:focus-within .dropdown-menu,
.has-dropdown.open .dropdown-menu {
  opacity: 1; visibility: visible; transform: translateY(0);
}
.dropdown-link {
  display: block; padding: .65rem .8rem; border-radius: 10px;
  color: var(--muted); font-size: .9rem;
}
.dropdown-link:hover, .dropdown-link.active { background: var(--primary-soft); color: var(--text); }
.nav-actions { display: flex; align-items: center; gap: .5rem; }
.icon-btn {
  width: 40px; height: 40px; border-radius: 12px; border: 1px solid var(--border);
  background: transparent; color: var(--text); display: grid; place-items: center; cursor: pointer;
  transition: .2s;
}
.icon-btn:hover { border-color: var(--primary); background: var(--primary-soft); }
[data-theme="dark"] .icon-sun { display: none; }
[data-theme="light"] .icon-moon { display: none; }

.nav-toggle {
  display: none; width: 44px; height: 44px; border-radius: 12px;
  border: 1px solid var(--border); background: transparent; flex-direction: column;
  align-items: center; justify-content: center; gap: 5px; cursor: pointer;
}
.nav-toggle span {
  display: block; width: 18px; height: 2px; background: var(--text); border-radius: 2px;
  transition: .25s;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Hero */
.hero {
  position: relative; min-height: calc(100vh - var(--header-h));
  display: grid; align-items: center; overflow: hidden;
  padding: clamp(3rem, 8vw, 6rem) 0 4rem;
}
.hero-bg {
  position: absolute; inset: 0; pointer-events: none; overflow: hidden;
}
.hero-glow {
  position: absolute; width: 55vw; height: 55vw; border-radius: 50%; filter: blur(80px); opacity: .45;
}
.hero-glow-1 { top: -15%; left: -10%; background: rgba(37,99,235,.55); }
.hero-glow-2 { bottom: -20%; right: -10%; background: rgba(6,182,212,.35); }
.hero-glow-3 { top: 30%; right: 20%; width: 30vw; height: 30vw; background: rgba(79,70,229,.3); }
.floating-shape {
  position: absolute; border: 1px solid rgba(148,163,184,.18);
  border-radius: 24px; background: rgba(255,255,255,.03);
  backdrop-filter: blur(4px); animation: float 9s ease-in-out infinite;
}
.shape-1 { width: 120px; height: 120px; top: 18%; right: 12%; animation-delay: 0s; }
.shape-2 { width: 70px; height: 70px; bottom: 22%; left: 10%; border-radius: 50%; animation-delay: -3s; }
.shape-3 { width: 90px; height: 90px; top: 55%; right: 28%; transform: rotate(18deg); animation-delay: -5s; }
@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-18px) rotate(4deg); }
}
.hero-grid {
  position: absolute; inset: 0; opacity: .28;
  background-image:
    linear-gradient(rgba(148,163,184,.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148,163,184,.08) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at center, black 20%, transparent 75%);
}
.hero-content { position: relative; z-index: 2; max-width: 820px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: .6rem;
  padding: .45rem .9rem; border-radius: 999px;
  border: 1px solid var(--border); background: rgba(255,255,255,.03);
  color: var(--muted); font-size: .85rem; margin-bottom: 1.5rem;
}
.hero-badge .pulse {
  width: 8px; height: 8px; border-radius: 50%; background: var(--success);
  box-shadow: 0 0 0 0 rgba(16,185,129,.55); animation: statusPulse 2s ease-out infinite;
}
@keyframes statusPulse {
  0% { box-shadow: 0 0 0 0 rgba(16,185,129,.55); }
  70% { box-shadow: 0 0 0 12px rgba(16,185,129,0); }
  100% { box-shadow: 0 0 0 0 rgba(16,185,129,0); }
}
.hero h1 {
  font-size: clamp(2.6rem, 7vw, 4.8rem);
  margin-bottom: 1rem;
}
.typing-wrap {
  min-height: 1.3em; color: var(--accent); font-family: var(--font-display);
  font-weight: 600; font-size: clamp(1.15rem, 2.4vw, 1.55rem); margin-bottom: 1.25rem;
}
.typing-cursor {
  display: inline-block; width: 2px; height: 1.05em; background: var(--accent);
  margin-left: 3px; vertical-align: text-bottom; animation: blink 1s step-end infinite;
}
@keyframes blink { 50% { opacity: 0; } }
.hero-lead { color: var(--muted); font-size: clamp(1.05rem, 2vw, 1.2rem); max-width: 52ch; margin-bottom: 2rem; }
.hero-cta { display: flex; flex-wrap: wrap; gap: .85rem; }
.scroll-indicator {
  position: absolute; bottom: 1.5rem; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: .4rem;
  color: var(--muted); font-size: .75rem; letter-spacing: .12em; text-transform: uppercase;
  animation: scrollNudge 2.4s ease-in-out infinite;
}
@keyframes scrollNudge {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}
.scroll-mouse {
  width: 22px; height: 34px; border: 1.5px solid var(--muted); border-radius: 12px;
  position: relative;
}
.scroll-mouse::after {
  content: ''; position: absolute; top: 6px; left: 50%; width: 3px; height: 7px;
  margin-left: -1.5px; border-radius: 2px; background: var(--accent);
  animation: scrollDot 1.6s ease-in-out infinite;
}
@keyframes scrollDot {
  0% { opacity: 1; transform: translateY(0); }
  100% { opacity: 0; transform: translateY(12px); }
}

/* Stats */
.stats-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem;
}
.stat-card {
  text-align: center; padding: 1.75rem 1rem; border-radius: var(--radius);
  background: var(--surface); border: 1px solid var(--border);
}
.stat-value {
  font-family: var(--font-display); font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 700; letter-spacing: -.03em;
}
.stat-label { color: var(--muted); font-size: .9rem; margin-top: .35rem; }

/* About preview */
.about-preview {
  display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(2rem, 5vw, 4rem); align-items: center;
}
.about-visual {
  position: relative; border-radius: var(--radius-lg); overflow: hidden;
  aspect-ratio: 4/5; background: var(--surface); border: 1px solid var(--border);
}
.about-visual img, .about-visual .portrait-fallback {
  width: 100%; height: 100%; object-fit: cover;
}
.portrait-fallback {
  display: grid; place-items: center;
  background:
    radial-gradient(circle at 30% 20%, rgba(37,99,235,.45), transparent 50%),
    radial-gradient(circle at 70% 80%, rgba(6,182,212,.35), transparent 45%),
    linear-gradient(160deg, #1E293B, #0F172A);
}
.portrait-initials {
  font-family: var(--font-display); font-size: clamp(4rem, 10vw, 6rem); font-weight: 700;
  background: linear-gradient(135deg, #fff, rgba(255,255,255,.5));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.about-glow-frame {
  position: absolute; inset: 12px; border: 1px solid rgba(255,255,255,.12); border-radius: calc(var(--radius-lg) - 4px);
  pointer-events: none;
}

/* Services */
.services-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.15rem;
}
.service-card { padding: 1.6rem; }
.service-icon {
  width: 48px; height: 48px; border-radius: 14px; margin-bottom: 1.1rem;
  display: grid; place-items: center;
  background: linear-gradient(135deg, rgba(37,99,235,.2), rgba(6,182,212,.15));
  color: var(--accent); border: 1px solid var(--border);
}
.service-card h3 { font-size: 1.15rem; margin-bottom: .5rem; }
.service-card p { color: var(--muted); font-size: .95rem; margin: 0; }
.service-link {
  display: inline-flex; margin-top: 1.15rem; color: var(--primary); font-weight: 600; font-size: .9rem;
}

/* Projects */
.projects-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.35rem;
}
.project-card { overflow: hidden; display: flex; flex-direction: column; }
.project-media {
  aspect-ratio: 16/10; background: var(--surface-2); position: relative; overflow: hidden;
}
.project-media img, .project-media svg { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.project-card:hover .project-media img,
.project-card:hover .project-media svg { transform: scale(1.05); }
.project-body { padding: 1.4rem 1.5rem 1.6rem; flex: 1; display: flex; flex-direction: column; }
.project-cats { display: flex; flex-wrap: wrap; gap: .4rem; margin-bottom: .75rem; }
.chip {
  font-size: .72rem; font-weight: 600; letter-spacing: .04em; text-transform: uppercase;
  padding: .28rem .55rem; border-radius: 999px;
  background: var(--primary-soft); color: #93C5FD; border: 1px solid rgba(37,99,235,.25);
}
[data-theme="light"] .chip { color: var(--primary); }
.project-card h3 { font-size: 1.3rem; }
.project-card p { color: var(--muted); flex: 1; }
.tech-row { display: flex; flex-wrap: wrap; gap: .4rem; margin: 1rem 0 1.25rem; }
.tech-pill {
  font-size: .75rem; padding: .3rem .55rem; border-radius: 8px;
  background: rgba(148,163,184,.1); color: var(--muted); border: 1px solid var(--border);
}
.project-actions { display: flex; flex-wrap: wrap; gap: .55rem; }

/* Skills */
.skills-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.15rem; }
.skill-card { padding: 1.4rem 1.5rem; }
.skill-card h3 { font-size: 1.05rem; margin-bottom: 1.1rem; }
.skill-row { margin-bottom: .95rem; }
.skill-meta { display: flex; justify-content: space-between; font-size: .85rem; margin-bottom: .35rem; }
.skill-meta span:last-child { color: var(--muted); }
.skill-bar {
  height: 7px; border-radius: 999px; background: rgba(148,163,184,.15); overflow: hidden;
}
.skill-fill {
  height: 100%; width: 0; border-radius: inherit;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transition: width 1.2s var(--ease);
}

/* Timeline */
.timeline { position: relative; max-width: 760px; margin: 0 auto; }
.timeline::before {
  content: ''; position: absolute; left: 14px; top: 0; bottom: 0; width: 2px;
  background: linear-gradient(var(--primary), var(--accent), transparent);
}
.timeline-item {
  position: relative; padding-left: 3.25rem; padding-bottom: 2.25rem;
}
.timeline-dot {
  position: absolute; left: 6px; top: .35rem; width: 18px; height: 18px; border-radius: 50%;
  background: var(--bg); border: 3px solid var(--primary); box-shadow: 0 0 0 4px rgba(37,99,235,.15);
}
.timeline-year { color: var(--accent); font-size: .8rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; }
.timeline-item h3 { font-size: 1.15rem; margin: .25rem 0; }
.timeline-org { color: var(--muted); font-size: .9rem; margin-bottom: .45rem; }
.timeline-item p { color: var(--muted); margin: 0; }

/* Tech logos */
.tech-marquee {
  overflow: hidden; mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
}
.tech-track {
  display: flex; gap: 1rem; width: max-content; animation: marquee 40s linear infinite;
}
.tech-logo {
  min-width: 140px; padding: 1rem 1.25rem; text-align: center; border-radius: 14px;
  border: 1px solid var(--border); background: var(--surface); color: var(--muted);
  font-weight: 600; font-size: .9rem;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* Testimonials */
.testimonial-wrap { position: relative; }
.testimonial-track {
  display: flex; gap: 1.15rem; overflow: hidden;
}
.testimonial-card {
  min-width: min(100%, 360px); flex: 0 0 min(100%, 360px);
  padding: 1.6rem; transition: opacity .3s;
}
.testimonial-card p { color: var(--muted); font-size: 1.02rem; margin-bottom: 1.25rem; }
.testimonial-author { display: flex; align-items: center; gap: .85rem; }
.avatar {
  width: 44px; height: 44px; border-radius: 50%;
  display: grid; place-items: center; font-weight: 700;
  background: linear-gradient(135deg, var(--primary), var(--accent)); color: #fff;
}
.stars { display: flex; gap: 2px; margin-bottom: .85rem; }
.star { width: 16px; height: 16px; fill: rgba(148,163,184,.35); }
.star.filled { fill: var(--warning); }
.testimonial-controls {
  display: flex; gap: .5rem; justify-content: center; margin-top: 1.5rem;
}
.ctrl-btn {
  width: 42px; height: 42px; border-radius: 50%; border: 1px solid var(--border);
  background: var(--surface); color: var(--text); cursor: pointer;
}

/* Blog */
.blog-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.15rem; }
.blog-card { overflow: hidden; display: flex; flex-direction: column; }
.blog-media { aspect-ratio: 16/10; background: var(--surface-2); }
.blog-body { padding: 1.25rem 1.35rem 1.5rem; flex: 1; display: flex; flex-direction: column; }
.blog-meta { color: var(--muted); font-size: .8rem; margin-bottom: .55rem; }
.blog-card h3 { font-size: 1.15rem; }
.blog-card p { color: var(--muted); font-size: .92rem; flex: 1; }

/* CTA */
.cta-band {
  border-radius: var(--radius-lg); padding: clamp(2.5rem, 6vw, 4.5rem);
  text-align: center; position: relative; overflow: hidden;
  background:
    radial-gradient(circle at 20% 20%, rgba(37,99,235,.35), transparent 45%),
    radial-gradient(circle at 80% 80%, rgba(6,182,212,.25), transparent 40%),
    var(--surface);
  border: 1px solid var(--border);
}
.cta-band h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); max-width: 18ch; margin-inline: auto; }
.cta-band p { color: var(--muted); max-width: 48ch; margin: .85rem auto 1.75rem; }

/* Page hero (inner pages) */
.page-hero {
  padding: clamp(3.5rem, 7vw, 5.5rem) 0 2.5rem; position: relative; overflow: hidden;
}
.page-hero::before {
  content: ''; position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at top right, rgba(37,99,235,.22), transparent 50%),
    radial-gradient(ellipse at bottom left, rgba(6,182,212,.12), transparent 45%);
  pointer-events: none;
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); max-width: 16ch; }
.page-hero p { color: var(--muted); max-width: 54ch; font-size: 1.08rem; }

/* Filters / search */
.toolbar {
  display: flex; flex-wrap: wrap; gap: .75rem; align-items: center; justify-content: space-between;
  margin-bottom: 2rem;
}
.search-input, .form-control, select.form-control {
  width: 100%; background: var(--surface); border: 1px solid var(--border);
  border-radius: 12px; padding: .85rem 1rem; outline: none; transition: border-color .2s, box-shadow .2s;
}
.search-input:focus, .form-control:focus {
  border-color: var(--primary); box-shadow: 0 0 0 4px rgba(37,99,235,.15);
}
.filter-chips { display: flex; flex-wrap: wrap; gap: .45rem; }
.filter-chip {
  border: 1px solid var(--border); background: transparent; color: var(--muted);
  border-radius: 999px; padding: .45rem .9rem; font-size: .85rem; font-weight: 500; cursor: pointer;
}
.filter-chip.active, .filter-chip:hover {
  color: var(--text); border-color: rgba(37,99,235,.45); background: var(--primary-soft);
}

/* Forms */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group { display: flex; flex-direction: column; gap: .45rem; }
.form-group.full { grid-column: 1 / -1; }
.form-group label { font-size: .88rem; font-weight: 500; }
.form-group .error-text { color: var(--error); font-size: .8rem; min-height: 1.1em; }
.honeypot { position: absolute; left: -9999px; opacity: 0; height: 0; width: 0; overflow: hidden; }
.alert {
  padding: 1rem 1.15rem; border-radius: 12px; margin-bottom: 1.25rem; border: 1px solid;
}
.alert-success { background: rgba(16,185,129,.12); border-color: rgba(16,185,129,.35); color: #6EE7B7; }
.alert-error { background: rgba(239,68,68,.12); border-color: rgba(239,68,68,.35); color: #FCA5A5; }

/* Contact layout */
.contact-layout {
  display: grid; grid-template-columns: 1fr 1.15fr; gap: 1.5rem; align-items: start;
}
.contact-info-card, .contact-form-card { padding: 1.75rem; }
.info-list { display: grid; gap: 1rem; margin-top: 1.5rem; }
.info-item {
  display: flex; gap: .9rem; align-items: flex-start; padding: 1rem;
  border-radius: 14px; border: 1px solid var(--border); background: rgba(255,255,255,.02);
}
.info-item strong { display: block; font-size: .9rem; }
.info-item span { color: var(--muted); font-size: .88rem; }

/* Resume */
.resume-actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.5rem; }
.resume-panel { padding: 1.75rem; margin-bottom: 1.25rem; }
.resume-panel h2 { font-size: 1.35rem; margin-bottom: 1.25rem; }

/* Blog post */
.prose {
  max-width: 72ch; margin: 0 auto;
}
.prose h2 { font-size: 1.6rem; margin-top: 2rem; }
.prose h3 { font-size: 1.25rem; margin-top: 1.5rem; }
.prose p, .prose li { color: var(--muted); }
.prose ul { list-style: disc; padding-left: 1.25rem; margin-bottom: 1rem; }
.prose code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  background: rgba(148,163,184,.12); padding: .15rem .4rem; border-radius: 6px; font-size: .9em;
}
.prose pre {
  background: #0B1220; border: 1px solid var(--border); border-radius: 14px;
  padding: 1.1rem 1.2rem; overflow: auto; margin: 1.25rem 0;
}
.prose pre code { background: none; padding: 0; color: #E2E8F0; }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-top: 1.5rem; }

/* Pagination */
.pagination { display: flex; gap: .5rem; justify-content: center; margin-top: 2.5rem; }
.page-link {
  min-width: 40px; height: 40px; display: grid; place-items: center;
  border-radius: 10px; border: 1px solid var(--border); color: var(--muted); font-weight: 500;
}
.page-link.active, .page-link:hover { color: var(--text); border-color: var(--primary); background: var(--primary-soft); }

/* Footer */
.site-footer {
  margin-top: 2rem; padding: 4rem 0 1.5rem;
  border-top: 1px solid var(--border);
  background: linear-gradient(180deg, transparent, rgba(30,41,59,.35));
}
.footer-grid {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 2rem; margin-bottom: 2.5rem;
}
.footer-mission { color: var(--muted); font-size: .92rem; margin: 1rem 0 1.25rem; max-width: 36ch; }
.footer-heading { font-size: .85rem; letter-spacing: .1em; text-transform: uppercase; color: var(--text); margin-bottom: 1rem; }
.footer-links { display: grid; gap: .55rem; }
.footer-links a { color: var(--muted); font-size: .92rem; }
.footer-links a:hover { color: var(--text); }
.social-row { display: flex; gap: .55rem; }
.social-link {
  width: 40px; height: 40px; border-radius: 12px; border: 1px solid var(--border);
  display: grid; place-items: center; color: var(--muted); transition: .2s;
}
.social-link:hover { color: var(--text); border-color: var(--primary); background: var(--primary-soft); }
.newsletter-row { display: flex; gap: .5rem; }
.newsletter-row input {
  flex: 1; background: var(--surface); border: 1px solid var(--border);
  border-radius: 999px; padding: .7rem 1rem;
}
.form-note { color: var(--muted); font-size: .8rem; min-height: 1.2em; margin-top: .5rem; }
.footer-bottom {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem;
  padding-top: 1.25rem; border-top: 1px solid var(--border); color: var(--muted); font-size: .88rem;
}
.footer-legal { display: flex; gap: 1rem; }
.footer-legal a:hover { color: var(--text); }

/* Overlays & utilities */
.back-to-top {
  position: fixed; right: 1.25rem; bottom: 1.25rem; z-index: 850;
  width: 46px; height: 46px; border-radius: 50%; border: 1px solid var(--border);
  background: var(--surface); color: var(--text); display: grid; place-items: center;
  opacity: 0; visibility: hidden; transform: translateY(10px); transition: .35s var(--ease); cursor: pointer;
}
.back-to-top.is-visible { opacity: 1; visibility: visible; transform: none; }
.back-to-top:hover { border-color: var(--primary); background: var(--primary-soft); transform: translateY(-3px); }

.fab-cluster {
  position: fixed; left: 1.25rem; bottom: 1.25rem; z-index: 850;
  display: flex; flex-direction: column; gap: .55rem; align-items: flex-start;
}
.fab {
  width: 50px; height: 50px; border-radius: 50%; display: grid; place-items: center;
  border: 1px solid var(--border); background: var(--surface); color: var(--text);
  box-shadow: var(--shadow-soft);
  transition: transform .35s var(--ease), box-shadow .35s, border-color .35s;
}
.fab:hover { transform: translateY(-4px) scale(1.06); }
.fab-primary {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border: 0; color: #fff;
}
.fab-book {
  background: var(--surface); color: var(--accent); border-color: rgba(6,182,212,.35);
}
.fab-book:hover { background: rgba(6,182,212,.12); }
.floating-socials { display: flex; flex-direction: column; gap: .4rem; }
.floating-socials a {
  width: 38px; height: 38px; border-radius: 50%; border: 1px solid var(--border);
  display: grid; place-items: center; background: var(--glass); color: var(--muted);
  backdrop-filter: blur(10px);
  transition: transform .3s var(--ease), color .3s, border-color .3s, background .3s;
}
.floating-socials a:hover {
  color: var(--text); border-color: var(--primary); background: var(--primary-soft);
  transform: translateX(4px) scale(1.08);
}

/* WhatsApp — middle right */
.whatsapp-float {
  position: fixed;
  right: 1.25rem;
  top: 50%;
  transform: translateY(-50%);
  z-index: 880;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: #25D366;
  color: #fff;
  box-shadow: 0 12px 32px -10px rgba(37, 211, 102, .65);
  transition: transform .35s var(--ease), box-shadow .35s, filter .35s;
}
.whatsapp-float:hover {
  transform: translateY(-50%) scale(1.08);
  box-shadow: 0 16px 40px -8px rgba(37, 211, 102, .8);
  filter: brightness(1.05);
  text-decoration: none;
  color: #fff;
}
.whatsapp-pulse {
  position: absolute; inset: -4px; border-radius: 50%;
  border: 2px solid rgba(37, 211, 102, .55);
  animation: waPulse 2.4s var(--ease) infinite;
  pointer-events: none;
}
@keyframes waPulse {
  0% { transform: scale(1); opacity: .85; }
  70% { transform: scale(1.35); opacity: 0; }
  100% { transform: scale(1.35); opacity: 0; }
}

.cookie-banner {
  position: fixed; left: 1rem; right: 1rem; bottom: 1rem; z-index: 950;
  max-width: 640px; margin: 0 auto;
}
.cookie-inner {
  display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; justify-content: space-between;
  padding: 1rem 1.15rem; border-radius: 16px; background: var(--glass);
  border: 1px solid var(--glass-border); backdrop-filter: blur(16px);
  box-shadow: var(--shadow-soft);
}
.cookie-inner p { margin: 0; color: var(--muted); font-size: .9rem; flex: 1; min-width: 220px; }
.cookie-actions { display: flex; gap: .5rem; }

.a11y-panel { position: fixed; right: 1rem; top: calc(50% + 72px); transform: none; z-index: 860; }
.a11y-toggle {
  writing-mode: vertical-rl; transform: rotate(180deg);
  border: 1px solid var(--border); background: var(--surface); color: var(--muted);
  border-radius: 12px 0 0 12px; padding: .85rem .45rem; font-size: .72rem; letter-spacing: .08em;
  text-transform: uppercase; cursor: pointer;
}
.a11y-options {
  display: none; position: absolute; right: 100%; top: 0; margin-right: .5rem;
  background: var(--surface); border: 1px solid var(--border); border-radius: 12px;
  padding: .5rem; min-width: 160px; box-shadow: var(--shadow-soft);
}
.a11y-panel.open .a11y-options { display: grid; gap: .35rem; }
.a11y-options button {
  border: 0; background: transparent; color: var(--muted); text-align: left;
  padding: .55rem .65rem; border-radius: 8px; cursor: pointer;
}
.a11y-options button:hover { background: var(--primary-soft); color: var(--text); }

.command-palette { position: fixed; inset: 0; z-index: 980; }
.cmd-backdrop { position: absolute; inset: 0; background: rgba(2,6,23,.65); backdrop-filter: blur(6px); }
.cmd-panel {
  position: relative; width: min(560px, calc(100% - 2rem));
  margin: 12vh auto 0; background: var(--surface); border: 1px solid var(--border);
  border-radius: 18px; overflow: hidden; box-shadow: var(--shadow-soft), var(--shadow-glow);
}
.cmd-panel input {
  width: 100%; border: 0; background: transparent; padding: 1.1rem 1.2rem;
  border-bottom: 1px solid var(--border); outline: none; font-size: 1rem;
}
.cmd-results { max-height: 320px; overflow: auto; padding: .5rem; }
.cmd-item {
  display: flex; justify-content: space-between; gap: 1rem;
  padding: .8rem .9rem; border-radius: 10px; color: var(--muted); cursor: pointer;
}
.cmd-item[aria-selected="true"], .cmd-item:hover { background: var(--primary-soft); color: var(--text); }
.cmd-hint { padding: .65rem 1rem; color: var(--muted); font-size: .75rem; border-top: 1px solid var(--border); margin: 0; }
kbd {
  display: inline-block; padding: .1rem .35rem; border-radius: 5px;
  border: 1px solid var(--border); background: rgba(148,163,184,.1); font-size: .7rem;
}

.toast-root {
  position: fixed; top: 1.15rem; right: 1.15rem; z-index: 990;
  display: grid; gap: .6rem; width: min(360px, calc(100% - 2rem));
}
.toast {
  padding: .9rem 1rem; border-radius: 12px; border: 1px solid var(--border);
  background: var(--surface); box-shadow: var(--shadow-soft);
  transform: translateX(20px); opacity: 0; animation: toastIn .3s forwards;
}
.toast.success { border-color: rgba(16,185,129,.4); }
.toast.error { border-color: rgba(239,68,68,.4); }
@keyframes toastIn { to { transform: none; opacity: 1; } }

.custom-cursor { display: none; }
@media (hover: hover) and (pointer: fine) {
  body.cursor-on .custom-cursor { display: block; position: fixed; inset: 0; pointer-events: none; z-index: 10000; }
  .cursor-dot {
    position: fixed; width: 6px; height: 6px; border-radius: 50%; background: var(--accent);
    transform: translate(-50%, -50%);
  }
  .cursor-ring {
    position: fixed; width: 36px; height: 36px; border-radius: 50%;
    border: 1px solid rgba(6,182,212,.55); transform: translate(-50%, -50%);
    transition: width .2s, height .2s, border-color .2s;
  }
  body.cursor-hover .cursor-ring { width: 52px; height: 52px; border-color: var(--primary); }
}

/* Reveal animations */
.reveal {
  opacity: 0; transform: translateY(32px) scale(.98);
  transition: opacity .85s var(--ease), transform .85s var(--ease);
  will-change: opacity, transform;
}
.reveal.is-visible { opacity: 1; transform: none; }
.reveal-delay-1 { transition-delay: .1s; }
.reveal-delay-2 { transition-delay: .2s; }
.reveal-delay-3 { transition-delay: .3s; }
.reveal-left { transform: translateX(-28px); }
.reveal-right { transform: translateX(28px); }
.reveal-scale { transform: scale(.92); }

/* Breathing & ambient motion */
.breathe {
  animation: breathe 3.6s ease-in-out infinite;
}
@keyframes breathe {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.045); }
}
.whatsapp-float.breathe {
  animation: waBreathe 3.2s ease-in-out infinite;
}
@keyframes waBreathe {
  0%, 100% { transform: translateY(-50%) scale(1); }
  50% { transform: translateY(-50%) scale(1.05); }
}
.whatsapp-float.breathe:hover {
  animation: none;
  transform: translateY(-50%) scale(1.08);
}

.stat-card {
  transition: transform .4s var(--ease), border-color .4s, box-shadow .4s;
}
.stat-card:hover {
  transform: translateY(-6px);
  border-color: rgba(37, 99, 235, .35);
  box-shadow: var(--shadow-glow);
}

.social-link, .tech-pill, .chip, .filter-chip {
  transition: transform .3s var(--ease), background .3s, border-color .3s, color .3s, box-shadow .3s;
}
.social-link:hover, .tech-pill:hover {
  transform: translateY(-3px) scale(1.04);
}
.filter-chip:hover { transform: translateY(-2px); }

.nav-link {
  transition: color .25s, background .25s, transform .25s var(--ease);
}
.nav-link:hover { transform: translateY(-1px); }

.brand-mark {
  transition: transform .4s var(--ease), box-shadow .4s;
}
.brand:hover .brand-mark {
  transform: scale(1.08) rotate(-4deg);
  box-shadow: 0 8px 24px -8px rgba(37, 99, 235, .55);
}

.project-card .card-media,
.blog-card .card-media,
.about-visual {
  overflow: hidden;
}
.project-card img,
.blog-card img,
.about-visual .portrait-fallback {
  transition: transform .7s var(--ease);
}
.project-card:hover img,
.blog-card:hover img {
  transform: scale(1.06);
}
.about-visual:hover .portrait-fallback {
  transform: scale(1.04);
}

.skill-fill {
  transition: width 1.2s var(--ease);
}

.form-control {
  transition: border-color .25s, box-shadow .25s, transform .25s;
}
.form-control:focus {
  transform: translateY(-1px);
}

.cta-band {
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: '';
  position: absolute; inset: -40% auto auto -20%;
  width: 60%; height: 120%;
  background: radial-gradient(circle, rgba(37,99,235,.18), transparent 65%);
  animation: ctaGlow 8s ease-in-out infinite alternate;
  pointer-events: none;
}
@keyframes ctaGlow {
  from { transform: translate(0, 0); opacity: .7; }
  to { transform: translate(30%, 10%); opacity: 1; }
}

.page-hero h1,
.hero h1 {
  transition: letter-spacing .6s var(--ease);
}

/* Legal / 404 */
.legal-content { max-width: 760px; }
.legal-content h2 { margin-top: 2rem; font-size: 1.35rem; }
.legal-content p, .legal-content li { color: var(--muted); }
.legal-content ul { list-style: disc; padding-left: 1.2rem; margin-bottom: 1rem; }
.error-page { min-height: 70vh; display: grid; place-items: center; text-align: center; padding: 4rem 0; }
.error-code {
  font-family: var(--font-display); font-size: clamp(5rem, 18vw, 9rem); font-weight: 700;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text; background-clip: text; color: transparent; line-height: 1;
}

/* Service detail blocks */
.service-detail { padding: 2rem; margin-bottom: 1.5rem; scroll-margin-top: 100px; }
.service-detail h2 { font-size: 1.6rem; }
.feature-list, .process-list {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: .65rem; margin: 1.25rem 0;
}
.feature-list li, .process-list li {
  padding: .75rem .9rem; border-radius: 12px; border: 1px solid var(--border);
  background: rgba(255,255,255,.02); color: var(--muted); font-size: .92rem;
}
.process-steps {
  display: grid; gap: .55rem; margin: 1.25rem 0; padding: 0; list-style: none;
}
.process-steps li {
  display: flex; align-items: center; gap: .75rem;
  padding: .75rem .9rem; border-radius: 12px; border: 1px solid var(--border);
  background: rgba(255,255,255,.02); color: var(--muted); font-size: .92rem;
}
.step-num {
  width: 28px; height: 28px; border-radius: 8px; flex-shrink: 0;
  display: grid; place-items: center; font-size: .8rem; font-weight: 700; color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
}
.pricing-row { display: flex; flex-wrap: wrap; gap: .75rem; margin: 1.25rem 0; }
.price-card {
  flex: 1; min-width: 140px; padding: 1rem; border-radius: 14px; border: 1px solid var(--border); text-align: center;
}
.price-card strong { display: block; font-size: 1.2rem; margin-top: .35rem; }
.faq-item { border-top: 1px solid var(--border); padding: 1rem 0; }
.faq-item strong { display: block; margin-bottom: .35rem; }
.faq-item p { margin: 0; color: var(--muted); font-size: .92rem; }

/* Project detail */
.project-hero-media {
  border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--border);
  aspect-ratio: 16/9; background: var(--surface); margin-bottom: 2rem;
}
.detail-grid { display: grid; grid-template-columns: 1.4fr .8fr; gap: 1.5rem; }
.detail-side { position: sticky; top: 100px; padding: 1.4rem; height: fit-content; }
.meta-stack { display: grid; gap: 1rem; }
.meta-stack h4 { font-size: .8rem; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); margin-bottom: .35rem; }

.mission-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.25rem;
}
@media (max-width: 860px) {
  .mission-grid { grid-template-columns: 1fr; }
}

/* Page transition */
body.is-leaving { opacity: 0; transition: opacity .25s ease; }

.text-muted { color: var(--muted); }
.text-sm { font-size: .88rem; }
.mb-4 { margin-bottom: 1rem; }
.mt-8 { margin-top: 2rem; }
.hidden { display: none !important; }

/* Responsive */
@media (max-width: 1024px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .services-grid, .skills-grid, .blog-grid, .related-grid { grid-template-columns: repeat(2, 1fr); }
  .about-preview, .contact-layout, .detail-grid, .footer-grid { grid-template-columns: 1fr; }
  .detail-side { position: static; }
  .projects-grid { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
  .nav-toggle { display: flex; }
  .nav-panel {
    position: fixed; inset: var(--header-h) 0 auto 0;
    background: var(--glass); border-bottom: 1px solid var(--glass-border);
    backdrop-filter: blur(18px); padding: 1rem 1.25rem 1.25rem;
    display: none; flex-direction: column; align-items: stretch; gap: 1rem;
  }
  .nav-panel.is-open { display: flex; }
  .nav-links { flex-direction: column; align-items: stretch; }
  .dropdown-menu {
    position: static; opacity: 1; visibility: visible; transform: none;
    display: none; box-shadow: none; background: transparent; border: 0; padding-left: .5rem;
  }
  .has-dropdown.open .dropdown-menu { display: block; }
  .a11y-panel {
    display: block;
    top: auto; bottom: calc(5.5rem + env(safe-area-inset-bottom, 0px));
    right: calc(.75rem + env(safe-area-inset-right, 0px));
  }
  .a11y-toggle {
    writing-mode: horizontal-tb; transform: none;
    border-radius: 999px; padding: .55rem .85rem; font-size: .7rem;
  }
  .whatsapp-float {
    top: auto; bottom: calc(6.5rem + env(safe-area-inset-bottom, 0px));
    right: calc(.85rem + env(safe-area-inset-right, 0px));
    transform: none;
    width: 52px; height: 52px;
  }
  .whatsapp-float.breathe { animation: waBreatheMobile 3.2s ease-in-out infinite; }
  @keyframes waBreatheMobile {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
  }
  .whatsapp-float.breathe:hover,
  .whatsapp-float:hover { transform: scale(1.06); }
  body.cursor-on { cursor: auto; }
  body.cursor-on .custom-cursor { display: none !important; }
}

@media (max-width: 640px) {
  .stats-grid, .services-grid, .skills-grid, .blog-grid, .related-grid, .form-grid, .feature-list, .process-list {
    grid-template-columns: 1fr;
  }
  .newsletter-row { flex-direction: column; }
  .hero-cta { flex-direction: column; align-items: stretch; }
  .floating-socials { display: none; }
  .fab-cluster {
    left: calc(.75rem + env(safe-area-inset-left, 0px));
    bottom: calc(.85rem + env(safe-area-inset-bottom, 0px));
  }
  .back-to-top {
    right: calc(.75rem + env(safe-area-inset-right, 0px));
    bottom: calc(.85rem + env(safe-area-inset-bottom, 0px));
  }
  .cookie-banner {
    left: .5rem; right: .5rem; bottom: calc(4.75rem + env(safe-area-inset-bottom, 0px));
  }
  .page-hero h1 { font-size: clamp(1.8rem, 8vw, 2.4rem); }
  .resume-actions { display: flex; flex-wrap: wrap; gap: .65rem; }
  .resume-actions .btn { flex: 1 1 auto; min-width: 140px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
  .breathe, .whatsapp-float.breathe, .scroll-indicator, .hero-badge .pulse, .whatsapp-pulse, .cta-band::before {
    animation: none !important;
  }
}