/* =========================================================
   Portfolio — Premium Stylesheet (v2)
   Dark-first, glassmorphism, animated gradients & glow.
   Re-theme everything from the :root variables below.
   ========================================================= */

:root {
  /* Brand */
  --accent: #7c5cff;          /* violet */
  --accent-2: #1fd1f9;        /* cyan   */
  --accent-3: #ff5cf0;        /* pink   */
  --accent-grad: linear-gradient(120deg, #7c5cff 0%, #1fd1f9 100%);
  --accent-grad-3: linear-gradient(120deg, #ff5cf0 0%, #7c5cff 50%, #1fd1f9 100%);

  /* Light theme */
  --bg: #f4f5fb;
  --bg-soft: #ffffff;
  --bg-card: rgba(255, 255, 255, 0.72);
  --bg-glass: rgba(255, 255, 255, 0.55);
  --text: #14162b;
  --text-soft: #5a5f78;
  --border: rgba(20, 22, 43, 0.10);
  --border-strong: rgba(20, 22, 43, 0.16);
  --shadow: 0 14px 40px rgba(30, 24, 80, 0.10);
  --shadow-lg: 0 30px 70px rgba(30, 24, 80, 0.18);
  --glow: 0 0 0 transparent;
  --grid-line: rgba(20, 22, 43, 0.045);

  --nav-h: 76px;
  --radius: 20px;
  --radius-sm: 14px;
  --maxw: 1180px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme="dark"] {
  --bg: #07080f;
  --bg-soft: #0c0e1a;
  --bg-card: rgba(20, 23, 40, 0.55);
  --bg-glass: rgba(16, 18, 32, 0.5);
  --text: #f3f4fb;
  --text-soft: #9ba1c2;
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.18);
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 30px 80px rgba(0, 0, 0, 0.65);
  --glow: 0 0 60px rgba(124, 92, 255, 0.25);
  --grid-line: rgba(255, 255, 255, 0.035);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  transition: background 0.5s var(--ease), color 0.5s var(--ease);
  overflow-x: hidden;
  position: relative;
}

/* ---------- Animated background (aurora orbs + grid + grain) ---------- */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -3;
  background:
    radial-gradient(40% 50% at 15% 20%, color-mix(in srgb, var(--accent) 55%, transparent), transparent 70%),
    radial-gradient(35% 45% at 85% 15%, color-mix(in srgb, var(--accent-2) 50%, transparent), transparent 70%),
    radial-gradient(45% 50% at 75% 85%, color-mix(in srgb, var(--accent-3) 45%, transparent), transparent 70%);
  filter: blur(90px) saturate(130%);
  opacity: 0.55;
  animation: aurora 18s ease-in-out infinite alternate;
}
[data-theme="light"] body::before { opacity: 0.30; }

body::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 40%, transparent 100%);
          mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 40%, transparent 100%);
}

@keyframes aurora {
  0%   { transform: translate3d(0,0,0) scale(1); }
  50%  { transform: translate3d(-4%, 3%, 0) scale(1.1); }
  100% { transform: translate3d(3%, -2%, 0) scale(1.05); }
}

/* Film grain overlay for a premium textured finish */
html::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.05;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

h1, h2, h3, h4 { font-family: 'Space Grotesk', 'Poppins', sans-serif; line-height: 1.12; font-weight: 700; letter-spacing: -0.02em; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
section { padding: 110px 0; position: relative; }
.container { width: 90%; max-width: var(--maxw); margin: 0 auto; }

/* Custom selection + scrollbar */
::selection { background: color-mix(in srgb, var(--accent) 40%, transparent); color: var(--text); }
::-webkit-scrollbar { width: 11px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--accent-grad); border-radius: 99px; border: 3px solid var(--bg); }

/* ---------- Reusable bits ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-soft);
  margin-bottom: 16px;
  padding: 7px 14px;
  border-radius: 99px;
  border: 1px solid var(--border);
  background: var(--bg-glass);
  backdrop-filter: blur(8px);
}
.eyebrow::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: var(--accent-grad); box-shadow: 0 0 10px var(--accent); }

.section-title { font-size: clamp(2rem, 4.5vw, 3rem); margin-bottom: 18px; }
.section-head { max-width: 660px; margin: 0 auto 64px; text-align: center; }
.section-head .eyebrow { margin-bottom: 18px; }
.section-head p { color: var(--text-soft); font-size: 1.05rem; }

.gradient-text {
  background: var(--accent-grad-3);
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: shine 6s linear infinite;
}
@keyframes shine { to { background-position: 200% center; } }

/* Buttons */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 14px 28px;
  border-radius: 99px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), background 0.3s, color 0.3s, border-color 0.3s;
  will-change: transform;
  overflow: hidden;
}
.btn:hover { transform: translateY(-3px); }
.btn-primary { background: var(--accent-grad); color: #fff; box-shadow: 0 12px 30px rgba(124, 92, 255, 0.4); }
.btn-primary::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(120deg, transparent 30%, rgba(255,255,255,0.35) 50%, transparent 70%);
  transform: translateX(-130%); transition: transform 0.6s var(--ease);
}
.btn-primary:hover::after { transform: translateX(130%); }
.btn-primary:hover { box-shadow: 0 18px 42px rgba(124, 92, 255, 0.55); }
.btn-ghost { background: var(--bg-glass); color: var(--text); border-color: var(--border-strong); backdrop-filter: blur(8px); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); box-shadow: 0 0 24px color-mix(in srgb, var(--accent) 30%, transparent); }

.whatsapp-btn { background: #25d366; color: #fff; box-shadow: 0 12px 30px rgba(37, 211, 102, 0.38); }
.whatsapp-btn:hover { background: #1ebe5a; box-shadow: 0 18px 42px rgba(37, 211, 102, 0.5); }

/* =========================================================
   Navbar
   ========================================================= */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  z-index: 1000;
  transition: 0.4s var(--ease);
}
.nav.scrolled {
  background: var(--bg-glass);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow);
  height: 66px;
}
.nav .container { display: flex; align-items: center; justify-content: space-between; }
.logo { font-family: 'Space Grotesk', sans-serif; font-weight: 700; font-size: 1.3rem; letter-spacing: -0.03em; }
.logo span { color: var(--accent); }

.nav-links { display: flex; align-items: center; gap: 8px; list-style: none; }
.nav-links a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-soft);
  position: relative;
  padding: 8px 16px;
  border-radius: 99px;
  transition: color 0.25s, background 0.25s;
}
.nav-links a:hover { color: var(--text); background: var(--bg-glass); }
.nav-links a.active { color: #fff; background: var(--accent-grad); box-shadow: 0 8px 20px rgba(124, 92, 255, 0.35); }

.nav-right { display: flex; align-items: center; gap: 14px; }
.theme-toggle {
  width: 44px; height: 44px;
  border-radius: 50%;
  display: grid; place-items: center;
  background: var(--bg-glass);
  border: 1px solid var(--border);
  backdrop-filter: blur(8px);
  cursor: pointer;
  color: var(--text);
  transition: transform 0.4s var(--ease), border-color 0.3s, box-shadow 0.3s;
}
.theme-toggle:hover { transform: rotate(35deg) scale(1.08); border-color: var(--accent); box-shadow: 0 0 22px color-mix(in srgb, var(--accent) 35%, transparent); }
.theme-toggle svg { width: 20px; height: 20px; }
.theme-toggle .icon-sun { display: none; }
[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
[data-theme="dark"] .theme-toggle .icon-moon { display: none; }

.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 8px; }
.hamburger span { width: 24px; height: 2px; background: var(--text); border-radius: 2px; transition: 0.3s var(--ease); }
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* =========================================================
   Hero
   ========================================================= */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-h);
  position: relative;
}
.hero-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 56px; align-items: center; }
.hero-text h1 { font-size: clamp(2.6rem, 6.5vw, 4.6rem); margin-bottom: 20px; }
.hero-text h1 .gradient-text { display: inline-block; }
.hero-text .role { font-size: clamp(1.15rem, 2.6vw, 1.5rem); color: var(--text-soft); margin-bottom: 8px; min-height: 1.6em; font-weight: 500; }
.hero-text .role .typed { color: var(--text); font-weight: 700; border-right: 2px solid var(--accent); padding-right: 4px; }
.hero-text p.lead { color: var(--text-soft); max-width: 540px; margin: 22px 0 36px; font-size: 1.08rem; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-socials { display: flex; gap: 14px; margin-top: 38px; }
.hero-socials a {
  width: 46px; height: 46px;
  border-radius: 14px;
  display: grid; place-items: center;
  background: var(--bg-glass);
  border: 1px solid var(--border);
  backdrop-filter: blur(8px);
  color: var(--text-soft);
  transition: 0.35s var(--ease);
}
.hero-socials a:hover { color: #fff; background: var(--accent-grad); border-color: transparent; transform: translateY(-5px); box-shadow: 0 14px 28px rgba(124, 92, 255, 0.4); }
.hero-socials svg { width: 20px; height: 20px; }

/* Avatar */
.hero-visual { display: grid; place-items: center; position: relative; }
.avatar-ring {
  width: min(360px, 82%);
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--accent-grad-3);
  background-size: 200% 200%;
  display: grid; place-items: center;
  position: relative;
  box-shadow: var(--shadow-lg), var(--glow);
  animation: float 6s ease-in-out infinite, hue 10s linear infinite;
}
.avatar-ring::before {
  content: ''; position: absolute; inset: -20px;
  border-radius: 50%;
  border: 1.5px dashed color-mix(in srgb, var(--accent) 55%, transparent);
  animation: spin 24s linear infinite;
}
.avatar-ring::after {
  content: ''; position: absolute; inset: -2px;
  border-radius: 50%;
  background: conic-gradient(from 0deg, transparent, var(--accent-2), transparent 40%);
  animation: spin 6s linear infinite;
  z-index: -1; filter: blur(8px);
}
.avatar-inner {
  width: 90%; height: 90%;
  border-radius: 50%;
  background: var(--bg-soft);
  display: grid; place-items: center;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 3.6rem; font-weight: 700;
  color: var(--accent);
  overflow: hidden;
}
.avatar-inner img { width: 100%; height: 100%; object-fit: cover; object-position: center 22%; }

/* Floating badges around avatar */
.float-badge {
  position: absolute;
  display: inline-flex; align-items: center; gap: 7px;
  padding: 9px 15px;
  border-radius: 99px;
  font-size: 0.85rem; font-weight: 600;
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow);
  animation: float 5s ease-in-out infinite;
}
.float-badge .dot { width: 8px; height: 8px; border-radius: 50%; background: #22c55e; box-shadow: 0 0 8px #22c55e; }
.float-badge.fb-1 { top: 8%; left: -6%; animation-delay: 0.4s; }
.float-badge.fb-2 { bottom: 14%; right: -8%; animation-delay: 1.1s; }
.float-badge.fb-3 { bottom: -2%; left: 12%; animation-delay: 1.8s; }

@keyframes float { 0%,100%{ transform: translateY(0);} 50%{ transform: translateY(-16px);} }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes hue { to { background-position: 200% 50%; } }

/* Stats */
.stats { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 56px; }
.stat {
  flex: 1; min-width: 140px;
  padding: 22px 24px;
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  border: 1px solid var(--border);
  backdrop-filter: blur(12px);
  transition: 0.35s var(--ease);
}
.stat:hover { transform: translateY(-6px); border-color: var(--border-strong); box-shadow: var(--shadow); }
.stat .num { font-family: 'Space Grotesk', sans-serif; font-size: 2.2rem; font-weight: 700; }
.stat .num span { background: var(--accent-grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.stat .label { color: var(--text-soft); font-size: 0.88rem; }

/* =========================================================
   Marquee (tech strip)
   ========================================================= */
.marquee {
  padding: 28px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: var(--bg-glass);
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
          mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}
.marquee-track { display: flex; gap: 56px; width: max-content; animation: marquee 26s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-track span {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.5rem; font-weight: 600;
  color: var(--text-soft);
  display: inline-flex; align-items: center; gap: 56px;
  white-space: nowrap;
}
.marquee-track span::after { content: '✦'; color: var(--accent); font-size: 1rem; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* =========================================================
   Cards / About / Skills
   ========================================================= */
.about-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 60px; align-items: center; }
.about-card {
  border-radius: var(--radius); padding: 40px; box-shadow: var(--shadow);
  background: var(--bg-card); border: 1px solid var(--border);
  backdrop-filter: blur(16px) saturate(120%); -webkit-backdrop-filter: blur(16px) saturate(120%);
}
.about-text p { color: var(--text-soft); margin-bottom: 18px; }
.info-list { list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: 14px 24px; margin-top: 26px; }
.info-list li { font-size: 0.95rem; color: var(--text-soft); }
.info-list b { color: var(--text); font-weight: 600; }

.skills-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 24px; }

/* Gradient-border glass card */
.skill-card, .project-card, .about-card, .form-card, .stat {
  position: relative;
}
.skill-card {
  border-radius: var(--radius);
  padding: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  backdrop-filter: blur(14px);
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease), border-color 0.4s;
  overflow: hidden;
}
.skill-card::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(220px circle at var(--mx, 50%) var(--my, 0%), color-mix(in srgb, var(--accent) 16%, transparent), transparent 60%);
  opacity: 0; transition: opacity 0.4s;
}
.skill-card:hover::before { opacity: 1; }
.skill-card:hover { transform: translateY(-10px); box-shadow: var(--shadow-lg); border-color: var(--border-strong); }
.skill-card .ico {
  width: 58px; height: 58px;
  border-radius: 16px;
  background: var(--accent-grad);
  color: #fff;
  display: grid; place-items: center;
  margin-bottom: 20px;
  box-shadow: 0 10px 24px rgba(124, 92, 255, 0.35);
}
.skill-card .ico svg { width: 28px; height: 28px; }
.skill-card h3 { font-size: 1.22rem; margin-bottom: 8px; }
.skill-card p { color: var(--text-soft); font-size: 0.93rem; position: relative; }
.tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; position: relative; }
.tag {
  font-size: 0.76rem;
  padding: 5px 13px;
  border-radius: 99px;
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  color: var(--accent);
  font-weight: 600;
  border: 1px solid color-mix(in srgb, var(--accent) 22%, transparent);
}

/* =========================================================
   Projects
   ========================================================= */
.filter-row { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-bottom: 50px; }
.filter-btn {
  padding: 10px 22px;
  border-radius: 99px;
  border: 1px solid var(--border);
  background: var(--bg-glass);
  backdrop-filter: blur(8px);
  color: var(--text-soft);
  cursor: pointer;
  font-weight: 600;
  font-size: 0.88rem;
  transition: 0.3s var(--ease);
}
.filter-btn:hover { color: var(--text); border-color: var(--border-strong); }
.filter-btn.active { background: var(--accent-grad); color: #fff; border-color: transparent; box-shadow: 0 10px 24px rgba(124, 92, 255, 0.35); }

.projects-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(330px, 1fr)); gap: 30px; }
.project-card {
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--border);
  backdrop-filter: blur(14px);
  transition: transform 0.45s var(--ease), box-shadow 0.45s var(--ease), border-color 0.45s;
  display: flex; flex-direction: column;
}
.project-card:hover { transform: translateY(-12px); box-shadow: var(--shadow-lg); border-color: var(--border-strong); }
.project-thumb {
  height: 200px;
  background: var(--accent-grad-3);
  background-size: 200% 200%;
  position: relative;
  display: grid; place-items: center;
  color: #fff;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.5rem; font-weight: 700;
  letter-spacing: 0.04em;
  animation: hue 8s linear infinite;
  overflow: hidden;
}
.project-thumb::before {
  content: ''; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.10) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.10) 1px, transparent 1px);
  background-size: 26px 26px;
  opacity: 0.5;
}
.project-thumb::after { content:''; position:absolute; inset:0; background: rgba(7,8,15,0.18); opacity:0; transition:0.4s; }
.project-card:hover .project-thumb::after { opacity:1; }
.project-body { padding: 26px; flex: 1; display: flex; flex-direction: column; }
.project-body h3 { font-size: 1.25rem; margin-bottom: 8px; }
.project-body p { color: var(--text-soft); font-size: 0.93rem; flex: 1; }
.project-links { display: flex; gap: 18px; margin-top: 20px; }
.project-links a { font-size: 0.88rem; font-weight: 600; color: var(--accent); display: inline-flex; align-items: center; gap: 6px; transition: gap 0.25s; }
.project-links a:hover { gap: 11px; }

/* =========================================================
   Steps (How I work)
   ========================================================= */
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 24px; }
.step-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 34px 28px;
  backdrop-filter: blur(14px);
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease), border-color 0.4s;
}
.step-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: var(--border-strong); }
.step-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2.8rem; font-weight: 700; line-height: 1; margin-bottom: 16px;
  background: var(--accent-grad);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.step-card h3 { font-size: 1.2rem; margin-bottom: 8px; }
.step-card p { color: var(--text-soft); font-size: 0.92rem; }

/* =========================================================
   Timeline
   ========================================================= */
.timeline { position: relative; max-width: 780px; margin: 0 auto; padding-left: 30px; }
.timeline::before { content:''; position:absolute; left: 6px; top: 6px; bottom: 6px; width: 2px; background: linear-gradient(var(--accent), var(--accent-2), transparent); }
.tl-item { position: relative; padding: 0 0 42px 34px; }
.tl-item::before {
  content:''; position:absolute; left: -29px; top: 3px;
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--accent-grad);
  box-shadow: 0 0 0 5px var(--bg), 0 0 16px var(--accent);
}
.tl-item:last-child { padding-bottom: 0; }
.tl-item .when { font-size: 0.8rem; color: var(--accent); font-weight: 700; letter-spacing: 0.05em; }
.tl-item h3 { font-size: 1.18rem; margin: 5px 0; }
.tl-item .org { color: var(--text-soft); font-size: 0.92rem; margin-bottom: 7px; font-weight: 500; }
.tl-item p { color: var(--text-soft); font-size: 0.92rem; }

/* =========================================================
   Contact
   ========================================================= */
.contact-grid { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 50px; }
.contact-info .ci-item { display: flex; gap: 16px; margin-bottom: 26px; align-items: flex-start; }
.contact-info .ci-ico {
  width: 50px; height: 50px; flex-shrink: 0;
  border-radius: 14px;
  background: var(--accent-grad);
  color: #fff;
  display: grid; place-items: center;
  box-shadow: 0 8px 20px rgba(124, 92, 255, 0.3);
}
.contact-info .ci-ico svg { width: 22px; height: 22px; }
.contact-info h4 { font-size: 1rem; margin-bottom: 2px; }
.contact-info p, .contact-info a { color: var(--text-soft); font-size: 0.95rem; }
.contact-info a:hover { color: var(--accent); }

.form-card {
  border-radius: var(--radius); padding: 40px; box-shadow: var(--shadow);
  background: var(--bg-card); border: 1px solid var(--border);
  backdrop-filter: blur(16px) saturate(120%); -webkit-backdrop-filter: blur(16px) saturate(120%);
}
.form-note { font-size: 0.85rem; color: var(--text-soft); margin-top: 14px; text-align: center; }

/* =========================================================
   CTA banner + Footer
   ========================================================= */
.cta-banner {
  position: relative;
  border-radius: var(--radius);
  padding: 64px 40px;
  text-align: center;
  color: #fff;
  background: var(--accent-grad-3);
  background-size: 200% 200%;
  animation: hue 9s linear infinite;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.cta-banner::before {
  content:''; position:absolute; inset:0;
  background-image: linear-gradient(rgba(255,255,255,0.08) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.08) 1px, transparent 1px);
  background-size: 34px 34px;
}
.cta-banner > * { position: relative; }
.cta-banner h2 { font-size: clamp(1.7rem, 4vw, 2.6rem); margin-bottom: 14px; }
.cta-banner p { opacity: 0.95; max-width: 540px; margin: 0 auto 28px; }
.cta-banner .btn-ghost { color: #fff; border-color: rgba(255,255,255,0.7); background: rgba(255,255,255,0.12); }
.cta-banner .btn-ghost:hover { background: #fff; color: var(--accent); border-color: #fff; box-shadow: none; }

footer { border-top: 1px solid var(--border); padding: 44px 0; background: var(--bg-glass); backdrop-filter: blur(10px); }
.footer-grid { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 18px; }
.footer-grid p { color: var(--text-soft); font-size: 0.9rem; }
.footer-socials { display: flex; gap: 12px; }
.footer-socials a {
  width: 40px; height: 40px; border-radius: 11px;
  display: grid; place-items: center;
  background: var(--bg-glass); border: 1px solid var(--border);
  color: var(--text-soft); transition: 0.3s var(--ease);
}
.footer-socials a:hover { color: #fff; background: var(--accent-grad); border-color: transparent; transform: translateY(-4px); }
.footer-socials svg { width: 19px; height: 19px; }

/* =========================================================
   Scroll reveal
   ========================================================= */
.reveal { opacity: 0; transform: translateY(38px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }
.reveal.visible { opacity: 1; transform: none; }

/* Page header */
.page-header { padding: calc(var(--nav-h) + 80px) 0 50px; text-align: center; position: relative; }
.page-header h1 { font-size: clamp(2.2rem, 5.5vw, 3.4rem); }
.page-header p { color: var(--text-soft); max-width: 580px; margin: 16px auto 0; font-size: 1.05rem; }

/* Back to top */
.to-top {
  position: fixed; bottom: 28px; right: 28px;
  width: 50px; height: 50px;
  border-radius: 50%;
  background: var(--accent-grad);
  color: #fff; border: none; cursor: pointer;
  display: grid; place-items: center;
  box-shadow: var(--shadow-lg), 0 0 24px color-mix(in srgb, var(--accent) 40%, transparent);
  opacity: 0; visibility: hidden;
  transform: translateY(16px) scale(0.8);
  transition: 0.4s var(--ease);
  z-index: 900;
}
.to-top.show { opacity: 1; visibility: visible; transform: none; }
.to-top svg { width: 22px; height: 22px; }

/* Scroll progress bar */
.scroll-progress {
  position: fixed; top: 0; left: 0;
  height: 3px; width: 100%;
  background: var(--accent-grad-3);
  background-size: 200% auto;
  transform: scaleX(0);
  transform-origin: 0 50%;
  z-index: 1002;
  box-shadow: 0 0 12px color-mix(in srgb, var(--accent) 55%, transparent);
}

/* Preloader */
.preloader {
  position: fixed; inset: 0; z-index: 9999;
  display: grid; place-items: center;
  background: var(--bg);
  transition: opacity 0.6s var(--ease), visibility 0.6s;
}
.preloader.done { opacity: 0; visibility: hidden; }
.preloader .loader {
  width: 54px; height: 54px;
  border-radius: 50%;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  animation: spin 0.8s linear infinite;
}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 900px) {
  .hero-grid, .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .hero-visual { order: -1; }
  .avatar-ring { width: min(270px, 70%); }
  section { padding: 80px 0; }
  .float-badge.fb-1 { left: 0; }
  .float-badge.fb-2 { right: 0; }

  .nav-links {
    position: fixed;
    top: 0; right: 0;
    width: min(80%, 330px);
    height: 100vh;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    padding: 100px 26px 30px;
    background: var(--bg-soft);
    border-left: 1px solid var(--border);
    transform: translateX(110%);
    transition: transform 0.45s var(--ease);
    z-index: 999;
  }
  .nav-links.open { transform: none; box-shadow: var(--shadow-lg); }
  .nav-links a { font-size: 1.1rem; width: 100%; }
  .hamburger { display: flex; z-index: 1001; }
}

@media (max-width: 560px) {
  .form-row, .info-list { grid-template-columns: 1fr; }
  .stats { gap: 10px; }
  .stat { min-width: 120px; padding: 18px; }
  .stat .num { font-size: 1.7rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition-duration: 0.01ms !important; }
  html { scroll-behavior: auto; }
}