/* ============================================================
   style.css — Bhuvaneshwari G · Portfolio
   Dark premium aesthetic · Royal gold + soft purple accents
   ============================================================ */

/* ── CSS VARIABLES ────────────────────────────────────────── */
:root {
  --bg: #09090f;
  --bg-2: #0d0d18;
  --bg-card: rgba(13, 13, 24, 0.8);
  --bg-card-hover: rgba(18, 18, 32, 0.95);
  --border: rgba(201, 168, 76, 0.2);
  --border-2: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(201, 168, 76, 0.38);
  --gold: #c9a84c;
  --gold-2: #e8c96a;
  --gold-soft: rgba(201, 168, 76, 0.1);
  --gold-glow: rgba(201, 168, 76, 0.18);
  --purple: #8b5cf6;
  --purple-soft: rgba(139, 92, 246, 0.12);
  --teal: #0ea5e9;
  --teal-soft: rgba(14, 165, 233, 0.1);
  --text-1: #f0ece0;
  --text-2: #9a9480;
  --text-3: #5c5848;
  --font-sans: 'DM Sans', sans-serif;
  --font-mono: 'DM Mono', monospace;
  --font-serif: 'Fraunces', serif;
  --radius: 12px;
  --radius-lg: 18px;
  --shadow: 0 4px 40px rgba(0, 0, 0, 0.5);
  --shadow-gold: 0 4px 28px rgba(201, 168, 76, 0.12);
}

/* ── RESET ────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text-1);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
img { display: block; max-width: 100%; }

/* ── BACKGROUND TEXTURE ───────────────────────────────────── */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(201, 168, 76, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201, 168, 76, 0.02) 1px, transparent 1px);
  background-size: 52px 52px;
  pointer-events: none;
  z-index: 0;
}
body::after {
  content: '';
  position: fixed;
  top: -30%;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 600px;
  background: radial-gradient(ellipse, rgba(139, 92, 246, 0.05) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

/* ── LAYOUT HELPERS ───────────────────────────────────────── */
section { position: relative; z-index: 1; padding: 6rem 2rem; }
.container { max-width: 1080px; margin: 0 auto; }

/* ── SECTION HEADERS ──────────────────────────────────────── */
.section-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  display: block;
  margin-bottom: 0.55rem;
}
.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.75rem, 4vw, 2.4rem);
  font-weight: 400;
  color: var(--text-1);
  line-height: 1.2;
  letter-spacing: -0.025em;
  margin-bottom: 0.3rem;
}
.section-divider {
  width: 36px;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), transparent);
  margin: 0.9rem 0 2.4rem;
  border-radius: 2px;
}
.section-sub {
  color: var(--text-2);
  font-size: 0.9rem;
  max-width: 520px;
  margin-bottom: 2.8rem;
  line-height: 1.75;
}

/* ── NAVBAR ───────────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 0 2rem;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background 0.3s, border-bottom 0.3s;
}
.navbar.scrolled {
  background: rgba(9, 9, 15, 0.94);
  border-bottom: 1px solid var(--border-2);
  backdrop-filter: blur(16px);
}
.nav-logo {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 400;
  color: var(--text-1);
  letter-spacing: -0.02em;
}
.nav-logo span { color: var(--gold); }
.nav-links { display: flex; gap: 0.15rem; align-items: center; }
.nav-links a {
  padding: 0.32rem 0.65rem;
  font-size: 0.8rem;
  color: var(--text-2);
  border-radius: 8px;
  transition: color 0.2s, background 0.2s;
  font-weight: 400;
  letter-spacing: 0.01em;
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--gold-2);
  background: var(--gold-soft);
}
.nav-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
  border-radius: 8px;
  transition: background 0.2s;
}
.nav-burger:hover { background: var(--gold-soft); }
.nav-burger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-2);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}
.nav-burger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-burger.active span:nth-child(2) { opacity: 0; }
.nav-burger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── HERO ─────────────────────────────────────────────────── */
#home {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  isolation: isolate;
}
.hero-inner {
  max-width: 1080px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

/* Badge */
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.3rem 0.85rem;
  background: var(--gold-soft);
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.72rem;
  color: var(--gold);
  font-family: var(--font-mono);
  margin-bottom: 1.4rem;
  letter-spacing: 0.04em;
}
.hero-badge-dot {
  width: 6px; height: 6px;
  background: #22c55e;
  border-radius: 50%;
  animation: pulse 2.2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

/* Name */
.hero-name {
  font-family: var(--font-serif);
  font-size: clamp(2.1rem, 5.5vw, 3.75rem);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--text-1);
  margin-bottom: 0.5rem;
}

/* Typed */
.hero-typed-wrap {
  font-size: clamp(0.9rem, 2vw, 1.1rem);
  color: var(--gold);
  font-family: var(--font-mono);
  margin-bottom: 1.4rem;
  min-height: 2rem;
}
.hero-cursor {
  display: inline-block;
  width: 2px; height: 1em;
  background: var(--gold);
  vertical-align: middle;
  margin-left: 2px;
  animation: blink 1.1s step-end infinite;
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.hero-intro {
  color: var(--text-2);
  font-size: 0.94rem;
  line-height: 1.85;
  max-width: 460px;
  margin-bottom: 0.6rem;
}
.hero-location {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--text-3);
  margin-bottom: 1.8rem;
}
.hero-actions {
  display: flex;
  gap: 0.65rem;
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.6rem 1.15rem;
  border-radius: 10px;
  font-size: 0.84rem;
  font-weight: 500;
  transition: all 0.2s;
  font-family: var(--font-sans);
}
.btn-primary {
  background: var(--gold);
  color: #09090f;
  border: 1px solid var(--gold);
}
.btn-primary:hover {
  background: var(--gold-2);
  border-color: var(--gold-2);
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(201, 168, 76, 0.28);
}
.btn-outline {
  background: transparent;
  color: var(--text-2);
  border: 1px solid var(--border-2);
}
.btn-outline:hover {
  border-color: var(--border);
  color: var(--gold-2);
  background: var(--gold-soft);
  transform: translateY(-1px);
}

/* Hero card */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero-card {
  width: 340px;
  background: rgba(13, 13, 24, 0.92);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.25rem 2rem 2rem;
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow), 0 0 80px rgba(201, 168, 76, 0.06);
  position: relative;
  overflow: hidden;
}
.hero-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), var(--purple), var(--teal));
}
.hero-card-avatar {
  display: flex;
  justify-content: center;
  margin-bottom: 1.25rem;
}
.hero-card-avatar-ring {
  position: relative;
  display: inline-flex;
  padding: 3px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold), var(--purple));
  box-shadow: 0 0 40px rgba(201, 168, 76, 0.25), 0 8px 32px rgba(0,0,0,0.5);
}
.hc-avatar {
  width: 130px; height: 130px;
  background: linear-gradient(135deg, #1a1826 0%, #1a1826 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 3rem;
  color: var(--gold);
  font-weight: 600;
}
.hc-avatar-img {
  width: 130px; height: 130px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center top;
  display: block;
}
.hc-name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-1);
  margin-bottom: 0.22rem;
  letter-spacing: -0.01em;
  text-align: center;
}
.hc-role {
  font-size: 0.72rem;
  color: var(--text-3);
  font-family: var(--font-mono);
  margin-bottom: 1.5rem;
  text-align: center;
}
.hc-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
}
.hc-stat {
  background: rgba(201, 168, 76, 0.05);
  border: 1px solid rgba(201, 168, 76, 0.14);
  border-radius: 10px;
  padding: 0.8rem 0.75rem;
  transition: border-color 0.2s, background 0.2s;
}
.hc-stat:hover {
  background: rgba(201, 168, 76, 0.09);
  border-color: rgba(201, 168, 76, 0.25);
}
.hc-stat-num {
  font-family: var(--font-serif);
  font-size: 1.55rem;
  color: var(--gold);
  line-height: 1;
  display: block;
  letter-spacing: -0.02em;
}
.hc-stat-label {
  font-size: 0.67rem;
  color: var(--text-3);
  font-family: var(--font-mono);
  display: block;
  margin-top: 0.2rem;
}

/* ── MOBILE HERO PHOTO — FIX #1 ──────────────────────────── */
/* Shows photo above name on mobile instead of hiding it */
.hero-mobile-avatar {
  display: none; /* hidden on desktop */
}

/* ── ABOUT ────────────────────────────────────────────────── */
#about { background: var(--bg-2); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.8rem;
  align-items: start;
}
.about-card {
  background: var(--bg-card);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-lg);
  padding: 2rem;
  backdrop-filter: blur(8px);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.55s, transform 0.55s;
}
.about-card.visible { opacity: 1; transform: translateY(0); }
.about-summary {
  color: var(--text-2);
  line-height: 1.85;
  font-size: 0.9rem;
}
.about-highlights {
  margin-top: 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.52rem;
}
.about-highlights li {
  display: flex;
  gap: 0.65rem;
  align-items: flex-start;
  color: var(--text-2);
  font-size: 0.87rem;
}
.bullet { color: var(--gold); flex-shrink: 0; }
.edu-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.4rem;
}
.edu-icon {
  width: 44px; height: 44px;
  background: var(--gold-soft);
  border: 1px solid var(--border);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}
.edu-title { font-size: 0.95rem; font-weight: 600; color: var(--text-1); }
.edu-sub { font-size: 0.72rem; color: var(--text-3); font-family: var(--font-mono); }
.edu-rows { display: flex; flex-direction: column; gap: 0.55rem; }
.edu-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.6rem 0.85rem;
  background: rgba(255, 255, 255, 0.02);
  border-radius: 8px;
  border: 1px solid var(--border-2);
}
.edu-key { font-size: 0.72rem; color: var(--text-3); font-family: var(--font-mono); }
.edu-val { font-size: 0.82rem; color: var(--text-1); font-weight: 500; }
.edu-val--accent { color: var(--gold); }

/* ── SKILLS ───────────────────────────────────────────────── */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.4rem;
}

/* FIX #3: "Currently Learning" spans full row when alone */
.skill-card:last-child:nth-child(3n+1) {
  grid-column: 1 / -1;
  max-width: 340px; /* keep it card-sized, don't stretch full width */
}

.skill-card {
  background: var(--bg-card);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  backdrop-filter: blur(8px);
  transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s, opacity 0.55s;
  opacity: 0;
  transform: translateY(20px);
  position: relative;
  overflow: hidden;
}
.skill-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1.5px;
  background: linear-gradient(90deg, var(--cat-color, var(--gold)), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}
.skill-card.visible { opacity: 1; transform: translateY(0); }
.skill-card:hover {
  border-color: var(--border);
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(201, 168, 76, 0.08);
}
.skill-card:hover::before { opacity: 1; }
.skill-card-header {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin-bottom: 1.3rem;
}
.skill-icon { font-size: 1.1rem; }
.skill-card-header h3 { font-size: 0.875rem; font-weight: 600; color: var(--text-1); }
.skill-list { display: flex; flex-direction: column; gap: 0.55rem; }
.skill-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.55rem 0.75rem;
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid var(--border-2);
  border-radius: 8px;
  transition: background 0.2s, border-color 0.2s;
}
.skill-item::before {
  content: '';
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--cat-color, var(--gold));
  opacity: 0.5;
  flex-shrink: 0;
}
.skill-card:hover .skill-item { border-color: rgba(201, 168, 76, 0.12); }
.skill-name { flex: 1; font-size: 0.82rem; color: var(--text-1); font-weight: 500; }
.skill-note { font-size: 0.7rem; color: var(--text-3); font-family: var(--font-mono); }

/* ── PROJECTS ─────────────────────────────────────────────── */
#projects { background: var(--bg-2); }
.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.75rem;
}
.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color 0.2s, transform 0.3s, box-shadow 0.3s, opacity 0.55s;
  opacity: 0;
  transform: translateY(20px);
}
.project-card.visible { opacity: 1; transform: translateY(0); }
.project-card:hover {
  border-color: rgba(201, 168, 76, 0.2);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
}
.project-visual { height: 180px; overflow: hidden; position: relative; }
.project-img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s; }
.project-card:hover .project-img { transform: scale(1.04); }
.project-gradient-fallback {
  width: 100%; height: 100%;
  display: flex;
  align-items: flex-end;
  padding: 1rem 1.2rem;
}
.project-fallback-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: rgba(255,255,255,0.6);
  background: rgba(0,0,0,0.3);
  padding: 0.2rem 0.55rem;
  border-radius: 100px;
  backdrop-filter: blur(4px);
}
.project-body { padding: 1.5rem; }
.project-title { font-size: 1.05rem; font-weight: 600; color: var(--text-1); margin-bottom: 0.52rem; }
.project-desc { font-size: 0.85rem; color: var(--text-2); line-height: 1.75; margin-bottom: 1rem; }
.project-tech { display: flex; flex-wrap: wrap; gap: 0.38rem; margin-bottom: 1rem; }
.tech-tag {
  padding: 0.18rem 0.55rem;
  background: rgba(255,255,255,0.035);
  border: 1px solid var(--border-2);
  border-radius: 6px;
  font-size: 0.68rem;
  color: var(--text-3);
  font-family: var(--font-mono);
}
.project-links { display: flex; gap: 0.52rem; }
.btn-project {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.42rem 0.9rem;
  border-radius: 8px;
  font-size: 0.78rem;
  font-weight: 500;
  transition: all 0.2s;
}
.btn-live { background: var(--gold); color: #09090f; border: 1px solid var(--gold); }
.btn-live:hover { background: var(--gold-2); transform: translateY(-1px); }
.btn-code { background: transparent; color: var(--text-2); border: 1px solid var(--border-2); }
.btn-code:hover { border-color: var(--border); color: var(--gold-2); background: var(--gold-soft); }

/* ── CERTIFICATES ─────────────────────────────────────────── */
.cert-carousel-wrap { position: relative; }
.cert-carousel-inner { overflow: hidden; border-radius: var(--radius-lg); }
.cert-track { display: flex; will-change: transform; }
.cert-card {
  flex-shrink: 0;
  padding: 0.5rem;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s, transform 0.5s;
}
.cert-card.visible { opacity: 1; transform: translateY(0); }
.cert-inner-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 340px;
  transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
}
.cert-card:hover .cert-inner-wrap {
  border-color: var(--border);
  transform: translateY(-4px);
  box-shadow: 0 12px 36px rgba(201, 168, 76, 0.12);
}
.cert-img-wrap { height: 190px; overflow: hidden; flex-shrink: 0; position: relative; }
.cert-img-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 60%, rgba(9,9,15,0.55));
  pointer-events: none;
}
.cert-img { width: 100%; height: 100%; object-fit: cover; }
.cert-img-placeholder {
  width: 100%; height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border-bottom: 1px solid;
}
.cert-placeholder-issuer {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.cert-placeholder-icon { font-size: 2rem; line-height: 1; font-family: var(--font-mono); }
.cert-placeholder-category { font-family: var(--font-mono); font-size: 0.62rem; color: var(--text-3); letter-spacing: 0.06em; }
.cert-body {
  padding: 1rem 1.2rem 1.3rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.cert-meta {
  display: flex;
  align-items: center;
  gap: 0.38rem;
  margin-bottom: 0.55rem;
  flex-wrap: nowrap;
  overflow: hidden;
}
.cert-issuer-badge {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--text-3);
  letter-spacing: 0.07em;
  text-transform: uppercase;
  white-space: nowrap;
}
.cert-category-badge {
  font-size: 0.6rem;
  padding: 0.1rem 0.45rem;
  background: var(--gold-soft);
  border: 1px solid rgba(201, 168, 76, 0.18);
  border-radius: 100px;
  color: var(--gold);
  font-family: var(--font-mono);
  white-space: nowrap;
}
.cert-year {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--text-3);
  margin-left: auto;
  flex-shrink: 0;
}
.cert-title {
  font-size: 0.87rem;
  font-weight: 600;
  color: var(--text-1);
  line-height: 1.45;
  flex: 1;
  letter-spacing: -0.01em;
}
.cert-verify-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.28rem;
  margin-top: 0.75rem;
  font-size: 0.7rem;
  color: var(--gold);
  font-family: var(--font-mono);
  border: 1px solid rgba(201, 168, 76, 0.22);
  padding: 0.25rem 0.65rem;
  border-radius: 7px;
  align-self: flex-start;
  transition: background 0.2s, border-color 0.2s;
  letter-spacing: 0.02em;
}
.cert-verify-btn:hover { background: var(--gold-soft); border-color: var(--border); }

/* Carousel controls */
.cert-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 1.2rem;
}
.cert-dots { display: flex; gap: 0.4rem; align-items: center; }
.cert-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--text-3);
  transition: background 0.2s, width 0.25s;
  cursor: pointer;
}
.cert-dot.active { background: var(--gold); width: 18px; border-radius: 3px; }
.cert-arrows { display: flex; gap: 0.45rem; }
.cert-arrow {
  width: 34px; height: 34px;
  background: var(--bg-card);
  border: 1px solid var(--border-2);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-2);
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.2s;
}
.cert-arrow:hover { border-color: var(--border); color: var(--gold-2); background: var(--gold-soft); }

/* ── ACHIEVEMENTS ─────────────────────────────────────────── */
#achievements { background: var(--bg-2); }

.achievements-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.4rem;
}

.achievement-card {
  background: var(--bg-card);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-lg);
  padding: 0;
  overflow: hidden;
  transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s, opacity 0.55s;
  opacity: 0;
  transform: translateY(20px);
  position: relative;
  display: flex;
  flex-direction: column;
}

/* Colored top bar — uses --ach-color per card (set inline) */
.achievement-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--ach-color, var(--gold)), transparent);
}

.achievement-card.visible { opacity: 1; transform: translateY(0); }

.achievement-card:hover {
  border-color: var(--ach-color, var(--gold));
  transform: translateY(-5px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.4),
              0 0 0 1px var(--ach-color, var(--gold)) inset;
}

/* Icon banner at top */
.ach-banner {
  padding: 1.5rem 1.65rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.1rem;
}

.ach-icon-wrap {
  width: 46px; height: 46px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  background: color-mix(in srgb, var(--ach-color, var(--gold)) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--ach-color, var(--gold)) 25%, transparent);
  transition: transform 0.25s;
}

.achievement-card:hover .ach-icon-wrap {
  transform: scale(1.1) rotate(-4deg);
}

.ach-badge {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.22rem;
}

.ach-type {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.ach-year {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--ach-color, var(--gold));
  padding: 0.12rem 0.52rem;
  background: color-mix(in srgb, var(--ach-color, var(--gold)) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--ach-color, var(--gold)) 22%, transparent);
  border-radius: 100px;
}

/* Card body */
.ach-body {
  padding: 0 1.65rem 1.65rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.ach-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: 0.55rem;
  letter-spacing: -0.01em;
  line-height: 1.3;
}

.ach-desc {
  font-size: 0.83rem;
  color: var(--text-2);
  line-height: 1.75;
  flex: 1;
}

/* Bottom tag strip */
.ach-footer {
  margin-top: 1.1rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--border-2);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.ach-tag {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  padding: 0.15rem 0.5rem;
  border-radius: 6px;
  background: color-mix(in srgb, var(--ach-color, var(--gold)) 10%, transparent);
  color: var(--ach-color, var(--gold));
  border: 1px solid color-mix(in srgb, var(--ach-color, var(--gold)) 20%, transparent);
  letter-spacing: 0.04em;
}

/* ── EXPERIENCE ───────────────────────────────────────────── */
.experience-list { display: flex; flex-direction: column; gap: 1.25rem; }
.exp-card {
  display: flex;
  gap: 1.1rem;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.55s, transform 0.55s;
}
.exp-card.visible { opacity: 1; transform: translateY(0); }
.exp-left { display: flex; flex-direction: column; align-items: center; flex-shrink: 0; }
.exp-dot {
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--gold);
  border: 2px solid var(--bg);
  box-shadow: 0 0 0 3px var(--gold-soft);
  margin-top: 6px;
}
.exp-seeking .exp-dot { background: var(--text-3); box-shadow: 0 0 0 3px rgba(92,88,72,0.15); }
.exp-line { flex: 1; width: 1px; background: var(--border-2); margin-top: 8px; }
.exp-content {
  background: var(--bg-card);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-lg);
  padding: 1.4rem;
  flex: 1;
}
.exp-seeking .exp-content { border-style: dashed; opacity: 0.82; }
.exp-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 0.65rem;
}
.exp-role { font-size: 0.95rem; font-weight: 600; color: var(--text-1); }
.exp-org { font-size: 0.78rem; color: var(--gold); font-family: var(--font-mono); margin-top: 0.15rem; }
.exp-duration {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-3);
  white-space: nowrap;
  padding: 0.16rem 0.52rem;
  background: var(--gold-soft);
  border-radius: 6px;
  flex-shrink: 0;
}
.exp-desc { font-size: 0.85rem; color: var(--text-2); line-height: 1.75; margin-bottom: 0.9rem; }
.exp-contributions { display: flex; flex-direction: column; gap: 0.38rem; margin-bottom: 0.9rem; }
.exp-contributions li { display: flex; gap: 0.52rem; font-size: 0.83rem; color: var(--text-2); }
.exp-tech { display: flex; flex-wrap: wrap; gap: 0.38rem; }

@keyframes seekPulse {
  0%, 100% { border-color: rgba(92,88,72,0.25); }
  50% { border-color: rgba(201,168,76,0.15); }
}
.exp-seeking .exp-content { animation: seekPulse 3.5s ease-in-out infinite; }

/* ── CONTACT ──────────────────────────────────────────────── */
#contact { background: var(--bg-2); }

/* Desktop: left col cards | right col form */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 2rem;
  align-items: start;
}

/* ✅ KEY FIX: 1 column of 4 full-width cards — no more tiny 2-col squeeze */
.contact-links-grid {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.contact-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-lg);
  padding: 1rem 1.25rem;
  transition: border-color 0.22s, transform 0.22s, box-shadow 0.22s, opacity 0.55s;
  opacity: 0;
  transform: translateY(16px);
  position: relative;
  overflow: hidden;
  min-width: 0;
  width: 100%;
}
.contact-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 1.5px;
  background: linear-gradient(90deg, var(--gold), transparent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s;
}
.contact-card:hover::after { transform: scaleX(1); }
.contact-card.visible { opacity: 1; transform: translateY(0); }
.contact-card:hover {
  border-color: rgba(201, 168, 76, 0.25);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(0,0,0,0.35);
}

.contact-icon {
  width: 42px; height: 42px;
  background: var(--gold-soft);
  border: 1px solid rgba(201, 168, 76, 0.18);
  border-radius: 11px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold);
  flex-shrink: 0;
  transition: background 0.2s, border-color 0.2s, transform 0.2s;
}
.contact-card:hover .contact-icon {
  background: rgba(201, 168, 76, 0.16);
  border-color: rgba(201, 168, 76, 0.35);
  transform: scale(1.06);
}

.contact-info {
  flex: 1;
  min-width: 0; /* lets text truncate instead of overflow */
}
.contact-label {
  display: block;
  font-size: 0.65rem;
  color: var(--text-3);
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.15rem;
}
/* ✅ Full email/text shown — no truncation needed now cards are full width */
.contact-value {
  font-size: 0.88rem;
  color: var(--text-1);
  font-weight: 600;
  display: block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.contact-arrow {
  color: var(--text-3);
  font-size: 0.85rem;
  transition: color 0.2s, transform 0.2s;
  flex-shrink: 0;
  margin-left: auto;
}
.contact-card:hover .contact-arrow {
  color: var(--gold);
  transform: translate(2px, -2px);
}

/* Contact Form */
.contact-form-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-lg);
  padding: 2rem;
  backdrop-filter: blur(8px);
  position: relative;
  overflow: hidden;
}
.contact-form-wrap::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1.5px;
  background: linear-gradient(90deg, var(--gold), var(--purple), transparent);
}
.contact-form-title {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--text-1);
  margin-bottom: 1.4rem;
  letter-spacing: -0.02em;
}
.contact-form { display: flex; flex-direction: column; gap: 1rem; }
.form-group { display: flex; flex-direction: column; gap: 0.38rem; }
.form-label {
  font-size: 0.72rem;
  color: var(--text-3);
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.form-input, .form-textarea {
  background: rgba(255,255,255,0.025);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 10px;
  padding: 0.72rem 1rem;
  color: var(--text-1);
  font-size: 0.88rem;
  font-family: var(--font-sans);
  transition: border-color 0.22s, box-shadow 0.22s, background 0.22s;
  width: 100%;
  outline: none;
}
.form-input:hover, .form-textarea:hover { border-color: rgba(201,168,76,0.15); }
.form-input:focus, .form-textarea:focus {
  border-color: rgba(201,168,76,0.45) !important;
  background: rgba(201,168,76,0.03);
  box-shadow: 0 0 0 3px rgba(201,168,76,0.08) !important;
}
.form-input::placeholder, .form-textarea::placeholder { color: var(--text-3); }
.form-textarea { resize: vertical; min-height: 120px; }
.form-submit-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.78rem 1.5rem;
  background: var(--gold);
  color: #09090f;
  border: 1px solid var(--gold);
  border-radius: 10px;
  font-size: 0.88rem;
  font-weight: 700;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: all 0.22s;
  width: 100%;
  letter-spacing: 0.01em;
}
.form-submit-btn:hover {
  background: var(--gold-2);
  border-color: var(--gold-2);
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(201,168,76,0.3);
}
.form-submit-btn:active { transform: translateY(0); }

/* ── FOOTER ───────────────────────────────────────────────── */
footer {
  position: relative;
  z-index: 1;
  padding: 1.75rem 2rem;
  border-top: 1px solid var(--border-2);
  text-align: center;
}
.footer-text { font-size: 0.76rem; color: var(--text-3); font-family: var(--font-mono); }
.footer-text span { color: var(--gold); }

/* ── FORM RESULT FEEDBACK ─────────────────────────────────── */
.form-result {
  font-size: 0.82rem;
  font-family: var(--font-mono);
  padding: 0.7rem 1rem;
  border-radius: 8px;
  display: none;
  margin-top: 0.25rem;
}
.form-result:not(:empty) { display: block; }
.form-result--success {
  color: #4ade80;
  background: rgba(74,222,128,0.08);
  border: 1px solid rgba(74,222,128,0.2);
}
.form-result--error {
  color: #f87171;
  background: rgba(248,113,113,0.08);
  border: 1px solid rgba(248,113,113,0.2);
}

/* ── CERTIFICATES section sub wider ──────────────────────── */
#certificates .section-sub { max-width: 600px; }

/* ═══════════════════════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════════════════════ */

@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { display: none; }        /* hide full card on tablet */

  /* FIX #1 — show compact avatar above name on tablet/mobile */
  .hero-mobile-avatar {
    display: flex;
    justify-content: flex-start;
    margin-bottom: 1.6rem;
  }
  .hero-mobile-avatar-ring {
    display: inline-flex;
    padding: 3px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--gold), var(--purple));
    box-shadow: 0 0 32px rgba(201,168,76,0.22);
  }
  .hero-mobile-avatar-img {
    width: 88px; height: 88px;
    border-radius: 50%;
    object-fit: cover;
    object-position: center top;
    display: block;
  }
  .hero-mobile-avatar-initials {
    width: 88px; height: 88px;
    border-radius: 50%;
    background: #1a1826;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-serif);
    font-size: 2rem;
    color: var(--gold);
  }

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

  /* fix "currently learning" lone card on 2-col grid */
  .skill-card:last-child:nth-child(2n+1) {
    grid-column: 1 / -1;
    max-width: 100%;
  }

  .projects-grid { grid-template-columns: 1fr; }
  .achievements-grid { grid-template-columns: repeat(2, 1fr); }
  /* contact-layout stacks to single column on tablet */
  .contact-layout { grid-template-columns: 1fr; }
  /* contact-links-grid is already flex column — no override needed */
}

@media (max-width: 640px) {
  section { padding: 4rem 1.25rem; }
  .skills-grid { grid-template-columns: 1fr; }

  /* reset lone-card rule for 1-col layout */
  .skill-card:last-child:nth-child(3n+1),
  .skill-card:last-child:nth-child(2n+1) {
    grid-column: auto;
    max-width: 100%;
  }

  .achievements-grid { grid-template-columns: 1fr; }
  /* contact cards already full-width flex column — no change needed */
  .contact-value { font-size: 0.82rem; } /* slightly tighter on very small screens */
  .hero-actions { flex-direction: column; align-items: flex-start; }

  /* slightly smaller mobile avatar on tiny screens */
  .hero-mobile-avatar-ring { padding: 3px; }
  .hero-mobile-avatar-img,
  .hero-mobile-avatar-initials { width: 76px; height: 76px; }

  /* Mobile nav */
  .nav-links {
    position: fixed;
    top: 64px; left: 0; right: 0;
    background: rgba(9,9,15,0.97);
    backdrop-filter: blur(12px);
    flex-direction: column;
    padding: 1rem;
    gap: 0.2rem;
    border-bottom: 1px solid var(--border-2);
    transform: translateY(-120%);
    transition: transform 0.3s;
    z-index: 99;
  }
  .nav-links.open { transform: translateY(0); }
  .nav-links a { padding: 0.6rem 1rem; border-radius: 8px; }
  .nav-burger { display: flex; }

  .exp-header { flex-direction: column; gap: 0.45rem; }

  /* Contact cards — single column, less padding, readable email */
  .contact-card { padding: 0.9rem; gap: 0.65rem; }
  .contact-value { font-size: 0.73rem; }
}