/* =========================================================
   HSVF — Portfolio · Glassmorphism Gradient design system
   ========================================================= */

:root {
  --bg: #07060f;
  --bg-2: #0c0a1d;
  --violet: #8b5cf6;
  --violet-600: #7c3aed;
  --blue: #3b82f6;
  --fuchsia: #d946ef;
  --cyan: #22d3ee;

  --text: #ecebfa;
  --muted: #a6a4c4;
  --muted-2: #7d7b9c;

  --glass: rgba(255, 255, 255, 0.04);
  --glass-2: rgba(255, 255, 255, 0.06);
  --glass-3: rgba(255, 255, 255, 0.09);
  --border: rgba(255, 255, 255, 0.09);
  --border-strong: rgba(255, 255, 255, 0.16);

  --grad: linear-gradient(120deg, #a78bfa 0%, #818cf8 45%, #38bdf8 100%);
  --grad-soft: linear-gradient(135deg, rgba(139, 92, 246, 0.16), rgba(59, 130, 246, 0.16));
  --glow: 0 0 50px rgba(139, 92, 246, 0.35);

  --font-head: "Sora", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;

  --radius: 20px;
  --radius-sm: 14px;
  --maxw: 1180px;
  --nav-h: 72px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html { scroll-behavior: smooth; scroll-padding-top: var(--nav-h); }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--font-head);
  font-weight: 700;
  line-height: 1.1;
  margin: 0;
  letter-spacing: -0.02em;
}

p { margin: 0 0 1rem; }

a { color: inherit; text-decoration: none; transition: color 0.25s var(--ease); }

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

ul { margin: 0; padding: 0; list-style: none; }

::selection { background: rgba(139, 92, 246, 0.35); color: #fff; }

::-webkit-scrollbar { width: 11px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb {
  background: linear-gradient(var(--violet), var(--blue));
  border-radius: 99px;
  border: 3px solid var(--bg);
}

/* ---------- animated background ---------- */
.bg-fx {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  background:
    radial-gradient(1200px 700px at 12% -10%, rgba(124, 58, 237, 0.20), transparent 60%),
    radial-gradient(1000px 800px at 100% 0%, rgba(56, 189, 248, 0.14), transparent 55%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 50%, var(--bg) 100%);
}
.bg-fx::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(circle at 50% 30%, #000 0%, transparent 75%);
  -webkit-mask-image: radial-gradient(circle at 50% 30%, #000 0%, transparent 75%);
}
.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: 0.55;
  animation: float 18s ease-in-out infinite;
}
.blob.b1 { width: 460px; height: 460px; background: #7c3aed; top: -120px; left: -100px; }
.blob.b2 { width: 520px; height: 520px; background: #2563eb; bottom: -180px; right: -120px; animation-delay: -6s; }
.blob.b3 { width: 360px; height: 360px; background: #d946ef; top: 40%; left: 55%; opacity: 0.35; animation-delay: -11s; }

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(40px, -50px) scale(1.08); }
  66% { transform: translate(-30px, 30px) scale(0.95); }
}

/* ---------- layout ---------- */
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

.section { padding: clamp(70px, 11vw, 130px) 0; position: relative; }
.section + .section { padding-top: 0; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--violet);
  padding: 7px 14px;
  border: 1px solid var(--border);
  border-radius: 99px;
  background: var(--grad-soft);
  margin-bottom: 18px;
}
.eyebrow::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--violet); box-shadow: 0 0 10px var(--violet); }

.section-title {
  font-size: clamp(2rem, 4.5vw, 3.1rem);
  margin-bottom: 14px;
}
.section-title .grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.section-lead { color: var(--muted); max-width: 620px; font-size: 1.05rem; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.98rem;
  padding: 14px 26px;
  border-radius: 99px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), background 0.3s var(--ease);
  will-change: transform;
}
.btn i { font-size: 1.05em; }
.btn-primary {
  color: #fff;
  background: linear-gradient(120deg, var(--violet-600), var(--blue));
  box-shadow: 0 10px 30px rgba(124, 58, 237, 0.35);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 16px 40px rgba(124, 58, 237, 0.55); color: #fff; }
.btn-ghost {
  color: var(--text);
  background: var(--glass-2);
  border-color: var(--border-strong);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.btn-ghost:hover { transform: translateY(-3px); border-color: var(--violet); color: #fff; background: var(--glass-3); }

/* ---------- glass card base ---------- */
.glass {
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  position: relative;
}
.glass::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(140deg, rgba(255, 255, 255, 0.22), transparent 40%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  opacity: 0.7;
}

/* ---------- navbar ---------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 100;
  display: flex;
  align-items: center;
  transition: background 0.35s var(--ease), border-color 0.35s var(--ease), backdrop-filter 0.35s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(10, 9, 22, 0.72);
  border-bottom-color: var(--border);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
}
.nav .container { display: flex; align-items: center; justify-content: space-between; }
.nav-brand { display: flex; align-items: center; gap: 12px; font-family: var(--font-head); font-weight: 700; font-size: 1.05rem; }
.nav-brand .logo {
  width: 40px; height: 40px; border-radius: 12px;
  display: grid; place-items: center;
  background: linear-gradient(120deg, var(--violet-600), var(--blue));
  color: #fff; font-weight: 800; letter-spacing: -0.04em;
  box-shadow: 0 6px 18px rgba(124, 58, 237, 0.45);
}
.nav-brand .logo span { font-size: 1rem; }
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
  padding: 9px 16px;
  border-radius: 99px;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--muted);
  position: relative;
}
.nav-links a:hover { color: var(--text); }
.nav-links a.active { color: #fff; background: var(--glass-2); }
.nav-cta { margin-left: 8px; padding: 10px 20px; font-size: 0.9rem; }

.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--glass-2);
  cursor: pointer;
  position: relative;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 50%; top: 50%;
  width: 20px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transform: translate(-50%, -50%);
  transition: transform 0.3s var(--ease), opacity 0.2s;
}
.nav-toggle span::before { transform: translate(-50%, -8px); }
.nav-toggle span::after { transform: translate(-50%, 6px); }
.nav-toggle.open span { background: transparent; }
.nav-toggle.open span::before { transform: translate(-50%, -50%) rotate(45deg); }
.nav-toggle.open span::after { transform: translate(-50%, -50%) rotate(-45deg); }

/* ---------- hero ---------- */
.hero { min-height: 100vh; display: flex; align-items: center; padding-top: calc(var(--nav-h) + 30px); padding-bottom: 60px; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.85fr;
  gap: clamp(30px, 6vw, 80px);
  align-items: center;
  width: 100%;
}
.hero-status {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: 0.85rem; color: var(--muted);
  padding: 7px 15px; border: 1px solid var(--border); border-radius: 99px;
  background: var(--glass); margin-bottom: 26px;
}
.hero-status .dot { width: 9px; height: 9px; border-radius: 50%; background: #34d399; box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.6); animation: pulse 2s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.55); } 70% { box-shadow: 0 0 0 9px rgba(52, 211, 153, 0); } 100% { box-shadow: 0 0 0 0 rgba(52, 211, 153, 0); } }

.hero h1 { font-size: clamp(2.6rem, 6.5vw, 4.6rem); margin-bottom: 10px; }
.hero h1 .grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-role {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: clamp(1.1rem, 2.4vw, 1.5rem);
  color: var(--text);
  margin-bottom: 18px;
}
.hero-role .typed { color: var(--cyan); }
.hero-tagline { color: var(--muted); font-size: 1.12rem; max-width: 540px; margin-bottom: 30px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 34px; }

.hero-socials { display: flex; gap: 12px; }
.social-btn {
  width: 46px; height: 46px;
  display: grid; place-items: center;
  border-radius: 13px;
  border: 1px solid var(--border);
  background: var(--glass);
  color: var(--muted);
  font-size: 1.15rem;
  transition: transform 0.3s var(--ease), color 0.3s, border-color 0.3s, box-shadow 0.3s;
}
.social-btn:hover { color: #fff; transform: translateY(-4px); border-color: var(--violet); box-shadow: var(--glow); }
.social-btn .expo-ico { width: 22px; height: 22px; filter: invert(1) brightness(1.6); }

/* hero visual / avatar */
.hero-visual { display: flex; justify-content: center; }
.avatar-wrap { position: relative; width: clamp(230px, 26vw, 320px); aspect-ratio: 1; }
.avatar-ring {
  position: absolute; inset: -14px;
  border-radius: 50%;
  background: conic-gradient(from 0deg, var(--violet), var(--blue), var(--fuchsia), var(--cyan), var(--violet));
  filter: blur(2px);
  animation: spin 9s linear infinite;
  opacity: 0.9;
}
@keyframes spin { to { transform: rotate(360deg); } }
.avatar {
  position: absolute; inset: 0;
  border-radius: 50%;
  overflow: hidden;
  border: 5px solid var(--bg);
  z-index: 1;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5);
}
.avatar img { width: 100%; height: 100%; object-fit: cover; }
.avatar-chip {
  position: absolute;
  z-index: 2;
  display: flex; align-items: center; gap: 9px;
  padding: 10px 15px;
  border-radius: 14px;
  background: rgba(12, 10, 29, 0.82);
  border: 1px solid var(--border-strong);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  font-size: 0.82rem; font-weight: 600;
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.4);
  animation: floatY 5s ease-in-out infinite;
}
.avatar-chip i { font-size: 1.3rem; }
.avatar-chip.c1 { top: 6%; left: -34px; }
.avatar-chip.c2 { bottom: 12%; right: -40px; animation-delay: -2.5s; }
.avatar-chip .devicon-react-original { color: #61dafb; }
.avatar-chip .devicon-php-plain { color: #8993be; }
@keyframes floatY { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }

.scroll-cue {
  position: absolute; left: 50%; bottom: 26px; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  color: var(--muted-2); font-size: 0.72rem; letter-spacing: 0.2em; text-transform: uppercase;
}
.scroll-cue .mouse {
  width: 24px; height: 38px; border: 2px solid var(--muted-2); border-radius: 14px; position: relative;
}
.scroll-cue .mouse::before {
  content: ""; position: absolute; left: 50%; top: 7px; width: 4px; height: 7px; border-radius: 4px;
  background: var(--muted); transform: translateX(-50%); animation: wheel 1.6s infinite;
}
@keyframes wheel { 0% { opacity: 0; top: 6px; } 50% { opacity: 1; } 100% { opacity: 0; top: 16px; } }

/* ---------- about ---------- */
.about-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 40px; align-items: start; }
.about-text p { color: var(--muted); font-size: 1.06rem; }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 30px; }
.stat { padding: 22px 18px; border-radius: var(--radius-sm); text-align: center; }
.stat .num { font-family: var(--font-head); font-weight: 800; font-size: clamp(1.8rem, 4vw, 2.5rem); background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat .lbl { color: var(--muted); font-size: 0.82rem; margin-top: 4px; }

.info-card { padding: 28px; }
.info-card h3 { font-size: 1.15rem; margin-bottom: 20px; }
.info-list { display: flex; flex-direction: column; gap: 16px; }
.info-list li { display: flex; align-items: center; gap: 14px; }
.info-list .ico {
  width: 42px; height: 42px; flex: none; border-radius: 12px; display: grid; place-items: center;
  background: var(--grad-soft); border: 1px solid var(--border); color: var(--violet); font-size: 1.05rem;
}
.info-list .meta span { display: block; font-size: 0.74rem; color: var(--muted-2); text-transform: uppercase; letter-spacing: 0.08em; }
.info-list .meta a, .info-list .meta strong { color: var(--text); font-weight: 600; font-size: 0.98rem; }
.info-list .meta a:hover { color: var(--violet); }

/* ---------- skills ---------- */
.skills-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.skill-card { padding: 26px; transition: transform 0.35s var(--ease), border-color 0.35s; }
.skill-card:hover { transform: translateY(-6px); border-color: var(--border-strong); }
.skill-head { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; }
.skill-head .ico {
  width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center;
  background: var(--grad-soft); border: 1px solid var(--border); color: var(--violet); font-size: 1.2rem;
}
.skill-head h3 { font-size: 1.1rem; }
.chips { display: flex; flex-wrap: wrap; gap: 9px; }
.chip {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 14px; border-radius: 11px;
  background: var(--glass-2); border: 1px solid var(--border);
  font-size: 0.88rem; font-weight: 500; color: var(--text);
  transition: transform 0.25s var(--ease), border-color 0.25s, background 0.25s;
}
.chip:hover { transform: translateY(-3px); border-color: var(--violet); background: var(--glass-3); }
.chip i { font-size: 1.15rem; }
.chip .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--grad); }

/* ---------- timeline (experience) ---------- */
.timeline { position: relative; margin-top: 10px; }
.timeline::before {
  content: ""; position: absolute; left: 18px; top: 6px; bottom: 6px; width: 2px;
  background: linear-gradient(var(--violet), var(--blue), transparent);
}
.tl-item { position: relative; padding-left: 58px; margin-bottom: 44px; }
.tl-item:last-child { margin-bottom: 0; }
.tl-dot {
  position: absolute; left: 9px; top: 4px; width: 20px; height: 20px; border-radius: 50%;
  background: var(--bg); border: 3px solid var(--violet); box-shadow: 0 0 0 5px rgba(139, 92, 246, 0.14);
}
.tl-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px 14px; margin-bottom: 4px; }
.tl-head h3 { font-size: 1.3rem; }
.tl-head .at { color: var(--violet); font-weight: 600; }
.tl-period {
  font-size: 0.78rem; font-weight: 600; color: var(--muted);
  padding: 4px 12px; border-radius: 99px; border: 1px solid var(--border); background: var(--glass);
}
.tl-summary { color: var(--muted); margin-bottom: 18px; max-width: 760px; }

.proj-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.proj-card { padding: 22px; }
.proj-card h4 { font-size: 1.08rem; display: flex; align-items: center; gap: 10px; margin-bottom: 4px; }
.proj-card .p-period { font-size: 0.78rem; color: var(--muted-2); margin-bottom: 10px; }
.proj-card p { color: var(--muted); font-size: 0.92rem; margin-bottom: 14px; }
.tags { display: flex; flex-wrap: wrap; gap: 7px; }
.tag { font-size: 0.74rem; color: var(--muted); padding: 4px 10px; border-radius: 8px; background: var(--glass-2); border: 1px solid var(--border); }

/* ---------- projects / works ---------- */
.works-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.work-card {
  border-radius: var(--radius); overflow: hidden; background: var(--glass); border: 1px solid var(--border);
  display: flex; flex-direction: column; transition: transform 0.4s var(--ease), border-color 0.4s, box-shadow 0.4s;
}
.work-card:hover { transform: translateY(-8px); border-color: var(--border-strong); box-shadow: 0 26px 50px rgba(0, 0, 0, 0.45); }
.work-thumb { position: relative; aspect-ratio: 16 / 10; overflow: hidden; }
.work-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s var(--ease); }
.work-card:hover .work-thumb img { transform: scale(1.07); }
.work-thumb::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 40%, rgba(7, 6, 15, 0.85)); }
.work-type {
  position: absolute; top: 14px; left: 14px; z-index: 1;
  font-size: 0.72rem; font-weight: 600; padding: 5px 12px; border-radius: 99px;
  background: rgba(12, 10, 29, 0.7); border: 1px solid var(--border-strong); backdrop-filter: blur(6px);
}
.work-body { padding: 22px; display: flex; flex-direction: column; flex: 1; }
.work-body h3 { font-size: 1.18rem; margin-bottom: 8px; }
.work-body p { color: var(--muted); font-size: 0.9rem; flex: 1; margin-bottom: 16px; }
.work-foot { display: flex; align-items: center; justify-content: space-between; }
.work-foot .date { font-size: 0.78rem; color: var(--muted-2); }
.work-link {
  display: inline-flex; align-items: center; gap: 7px; font-size: 0.86rem; font-weight: 600; color: var(--violet);
}
.work-link i { transition: transform 0.3s var(--ease); }
.work-card:hover .work-link i { transform: translateX(4px); }

/* ---------- education + certifications ---------- */
.edu-grid { display: grid; grid-template-columns: 1.2fr 0.95fr; gap: 40px; align-items: start; }
.edu-sub { font-family: var(--font-head); font-weight: 600; font-size: 1.25rem; margin-bottom: 22px; display: flex; align-items: center; gap: 10px; }
.edu-sub i { color: var(--violet); }
.edu-item { position: relative; padding-left: 56px; padding-bottom: 26px; }
.edu-item:last-child { padding-bottom: 0; }
.edu-item::before { content: ""; position: absolute; left: 17px; top: 8px; bottom: -4px; width: 2px; background: var(--border-strong); }
.edu-item:last-child::before { display: none; }
.edu-item .e-dot { position: absolute; left: 10px; top: 4px; width: 16px; height: 16px; border-radius: 50%; background: var(--bg); border: 3px solid var(--blue); }
.edu-item.current .e-dot { border-color: var(--violet); box-shadow: 0 0 0 5px rgba(139, 92, 246, 0.15); }
.edu-item h4 { font-size: 1.04rem; margin-bottom: 3px; }
.edu-item .e-school { color: var(--muted); font-size: 0.92rem; }
.edu-item .e-period { display: inline-flex; align-items: center; gap: 7px; font-size: 0.76rem; color: var(--muted-2); margin-top: 6px; }
.badge-current { font-size: 0.68rem; font-weight: 700; color: #fff; padding: 2px 9px; border-radius: 99px; background: linear-gradient(120deg, var(--violet-600), var(--blue)); letter-spacing: 0.04em; }

.cert-list { display: flex; flex-direction: column; gap: 14px; }
.cert-card { display: flex; align-items: center; gap: 16px; padding: 18px 20px; }
.cert-card .ico {
  width: 46px; height: 46px; flex: none; border-radius: 12px; display: grid; place-items: center;
  background: var(--grad-soft); border: 1px solid var(--border); color: var(--violet); font-size: 1.25rem;
}
.cert-card h4 { font-size: 1rem; margin-bottom: 2px; }
.cert-card .c-meta { color: var(--muted); font-size: 0.84rem; }

/* ---------- contact ---------- */
.contact-grid { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 40px; align-items: start; }
.contact-aside h3 { font-size: 1.4rem; margin-bottom: 12px; }
.contact-aside p { color: var(--muted); margin-bottom: 26px; }
.contact-form { padding: 32px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { margin-bottom: 18px; display: flex; flex-direction: column; }
.field label { font-size: 0.82rem; font-weight: 600; color: var(--muted); margin-bottom: 8px; }
.field input,
.field textarea {
  font-family: var(--font-body); font-size: 0.96rem; color: var(--text);
  padding: 13px 16px; border-radius: 12px;
  background: rgba(255, 255, 255, 0.03); border: 1px solid var(--border);
  transition: border-color 0.25s, box-shadow 0.25s, background 0.25s; resize: vertical;
}
.field input::placeholder, .field textarea::placeholder { color: var(--muted-2); }
.field input:focus, .field textarea:focus {
  outline: none; border-color: var(--violet); background: rgba(255, 255, 255, 0.05);
  box-shadow: 0 0 0 4px rgba(139, 92, 246, 0.16);
}
.alert {
  padding: 13px 18px; border-radius: 12px; font-size: 0.92rem; margin-bottom: 18px;
  border: 1px solid var(--border); display: flex; align-items: center; gap: 10px;
}
.alert-success { background: rgba(52, 211, 153, 0.12); border-color: rgba(52, 211, 153, 0.4); color: #6ee7b7; }
.alert-danger { background: rgba(248, 113, 113, 0.12); border-color: rgba(248, 113, 113, 0.4); color: #fca5a5; }
.btn[disabled] { opacity: 0.6; cursor: not-allowed; transform: none; }

/* ---------- footer ---------- */
.footer { border-top: 1px solid var(--border); padding: 40px 0; }
.footer .container { display: flex; flex-wrap: wrap; gap: 18px; align-items: center; justify-content: space-between; }
.footer .f-brand { display: flex; align-items: center; gap: 12px; font-family: var(--font-head); font-weight: 700; }
.footer p { color: var(--muted-2); font-size: 0.86rem; margin: 0; }
.footer .f-socials { display: flex; gap: 10px; }

/* ---------- work detail page ---------- */
.work-detail { padding-top: calc(var(--nav-h) + 60px); padding-bottom: 90px; min-height: 100vh; }
.back-link { display: inline-flex; align-items: center; gap: 8px; color: var(--muted); font-weight: 600; font-size: 0.9rem; margin-bottom: 26px; }
.back-link:hover { color: var(--violet); }
.work-detail-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 44px; align-items: start; }
.work-detail h1 { font-size: clamp(2rem, 5vw, 3rem); margin-bottom: 16px; }
.work-detail h1 .grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.work-shot { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border); box-shadow: 0 30px 60px rgba(0, 0, 0, 0.45); position: sticky; top: calc(var(--nav-h) + 20px); }
.work-detail .lead { color: var(--muted); font-size: 1.08rem; margin-bottom: 26px; }
.detail-block { margin-bottom: 26px; }
.detail-block .sub { font-family: var(--font-head); font-weight: 600; font-size: 0.82rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--violet); margin-bottom: 12px; }
.detail-block p { color: var(--muted); }
.detail-block a { color: var(--cyan); }
.detail-block a:hover { color: var(--violet); }
.tool-icons { display: flex; flex-wrap: wrap; gap: 12px; }
.tool-icons .chip i { font-size: 1.3rem; }
.partnership-img { width: 110px; border-radius: 12px; border: 1px solid var(--border); padding: 8px; background: var(--glass-2); }
.status-pill { display: inline-flex; align-items: center; gap: 8px; padding: 8px 16px; border-radius: 99px; background: rgba(52, 211, 153, 0.12); border: 1px solid rgba(52, 211, 153, 0.35); color: #6ee7b7; font-size: 0.88rem; font-weight: 600; }

/* ---------- reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(34px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }

/* ---------- responsive ---------- */
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; text-align: center; }
  .hero-visual { order: -1; }
  .hero-actions, .hero-socials { justify-content: center; }
  .hero-tagline { margin-left: auto; margin-right: auto; }
  .about-grid, .edu-grid, .contact-grid { grid-template-columns: 1fr; }
  .skills-grid { grid-template-columns: repeat(2, 1fr); }
  .works-grid { grid-template-columns: repeat(2, 1fr); }
  .work-detail-grid { grid-template-columns: 1fr; }
  .work-shot { position: static; order: -1; }
}

@media (max-width: 760px) {
  .nav-cta { display: none; }
  .nav-toggle { display: block; }
  .nav-links {
    position: fixed; inset: var(--nav-h) 0 auto 0;
    flex-direction: column; align-items: stretch; gap: 4px;
    padding: 16px 24px 24px;
    background: rgba(8, 7, 17, 0.96);
    backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border);
    transform: translateY(-130%);
    transition: transform 0.4s var(--ease);
  }
  .nav-links.open { transform: translateY(0); }
  .nav-links a { padding: 13px 16px; font-size: 1rem; }
  .skills-grid, .works-grid, .proj-cards, .form-row, .stats { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(3, 1fr); gap: 10px; }
  .stat { padding: 16px 8px; }
  .avatar-chip.c1 { top: 4%; left: -46px; }
  .avatar-chip.c2 { bottom: 6%;right: -48px; }
  .scroll-cue { display: none; }
}

/* ---------- contact feedback modal (mobile) ---------- */
.contact-modal {
  position: fixed; inset: 0; z-index: 900;
  background: rgba(0, 0, 0, 0.72); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
  display: flex; align-items: center; justify-content: center; padding: 24px;
}
.contact-modal[hidden] { display: none; }
.contact-modal-box {
  background: var(--glass-2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 36px 28px; text-align: center;
  max-width: 340px; width: 100%;
  box-shadow: 0 32px 80px rgba(0, 0, 0, 0.6);
}
.contact-modal-box .modal-icon { font-size: 2.6rem; display: block; margin-bottom: 18px; }
.contact-modal-box p { margin-bottom: 20px; font-size: 0.98rem; line-height: 1.5; }
.contact-modal-box.success .modal-icon { color: #6ee7b7; }
.contact-modal-box.danger  .modal-icon { color: #fca5a5; }
.contact-modal-box .btn { width: 100%; justify-content: center; }

/* reCAPTCHA badge */
.grecaptcha-badge { opacity: 0.6; transition: opacity 0.3s; }
.grecaptcha-badge:hover { opacity: 1; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}