/* ============================================================
   AHSAN FIRDAUS PORTFOLIO
   Dark Minimalist · Syne + DM Sans
   ============================================================ */

/* ── CSS VARIABLES ── */
:root {
  --bg:          #0a0a0f;
  --bg-alt:      #0f0f16;
  --bg-card:     #13131c;
  --bg-card-hover: #17172200;
  --border:      rgba(255,255,255,0.07);
  --border-hover: rgba(255,255,255,0.14);

  --text:        #e8e8f0;
  --text-muted:  #6b6b88;
  --text-faint:  #3a3a52;

  --accent:      #6ee7b7;       /* emerald-ish */
  --accent-dim:  rgba(110,231,183,0.12);
  --accent-glow: rgba(110,231,183,0.25);

  --font-display: 'Syne', sans-serif;
  --font-body:    'DM Sans', sans-serif;

  --radius:  12px;
  --radius-lg: 20px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── RESET & BASE ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 72px;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
ul { list-style: none; }

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--text-faint); border-radius: 2px; }

/* ── NAV ── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: 64px;
  display: flex;
  align-items: center;
  background: rgba(10,10,15,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: border-color var(--transition);
}

.nav.scrolled { border-color: var(--border-hover); }

.nav-inner {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--text);
  letter-spacing: -0.02em;
}

.dot { color: var(--accent); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  font-size: 0.875rem;
  color: var(--text-muted);
  padding: 6px 12px;
  border-radius: 6px;
  transition: color var(--transition), background var(--transition);
}

.nav-link:hover { color: var(--text); background: rgba(255,255,255,0.05); }

.nav-cta {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--accent);
  padding: 6px 16px;
  border: 1px solid rgba(110,231,183,0.3);
  border-radius: 6px;
  margin-left: 8px;
  transition: background var(--transition), border-color var(--transition);
}

.nav-cta:hover { background: var(--accent-dim); border-color: var(--accent); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 1px;
  transition: var(--transition);
}

/* ── HERO ── */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 100px 32px 80px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.grid-overlay {
  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(ellipse 80% 70% at 50% 50%, black 40%, transparent 100%);
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.18;
}

.orb-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, #6ee7b7 0%, transparent 70%);
  top: -150px; left: -100px;
  animation: orb-float 12s ease-in-out infinite;
}

.orb-2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, #818cf8 0%, transparent 70%);
  bottom: -100px; right: -50px;
  animation: orb-float 16s ease-in-out infinite reverse;
}

@keyframes orb-float {
  0%, 100% { transform: translate(0, 0); }
  33% { transform: translate(30px, -20px); }
  66% { transform: translate(-20px, 20px); }
}

.hero-content {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  width: 100%;
}

.hero-label {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.hero-label::before {
  content: '';
  display: block;
  width: 28px;
  height: 1px;
  background: var(--accent);
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(4rem, 10vw, 8rem);
  line-height: 0.95;
  letter-spacing: -0.04em;
  margin-bottom: 24px;
  display: flex;
  flex-direction: column;
}

.hero-title .line { display: block; }
.accent { color: var(--accent); }

.hero-role {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.hero-desc {
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 560px;
  line-height: 1.75;
  margin-bottom: 40px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
  margin-bottom: 40px;
  padding: 24px 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: fit-content;
}

.stat { text-align: center; }

.stat-num {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--text);
  line-height: 1;
  letter-spacing: -0.03em;
}

.stat-plus { color: var(--accent); font-size: 1.5rem; }

.stat-label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 4px;
  letter-spacing: 0.04em;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: #0a0a0f;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  padding: 13px 28px;
  border-radius: 8px;
  transition: opacity var(--transition), transform var(--transition);
  letter-spacing: 0.02em;
}

.btn-primary:hover { opacity: 0.88; transform: translateY(-1px); }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 13px 28px;
  border: 1px solid var(--border-hover);
  border-radius: 8px;
  color: var(--text-muted);
  transition: color var(--transition), border-color var(--transition), background var(--transition);
}

.btn-ghost:hover { color: var(--text); border-color: var(--text-muted); background: rgba(255,255,255,0.04); }

.hero-scroll {
  position: absolute;
  bottom: 32px;
  right: 32px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-faint);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  writing-mode: vertical-rl;
}

.scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--text-faint), transparent);
  animation: scroll-pulse 2s ease-in-out infinite;
}

@keyframes scroll-pulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; }
}

/* ── SECTIONS ── */
.section { padding: 100px 0; }
.section-alt { background: var(--bg-alt); }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}

.section-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.section-label::after {
  content: '';
  flex: 1;
  max-width: 40px;
  height: 1px;
  background: var(--accent);
}

.section-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 40px;
  color: var(--text);
}

.section-sub {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 560px;
  margin-bottom: 56px;
  margin-top: -24px;
}

/* ── ABOUT ── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 64px;
  align-items: start;
}

.about-body {
  font-size: 1.05rem;
  color: var(--text-muted);
  margin-bottom: 20px;
  line-height: 1.8;
}

.about-body strong { color: var(--text); font-weight: 500; }

.about-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 32px;
}

.tag {
  font-size: 0.8rem;
  padding: 5px 12px;
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--text-muted);
  transition: border-color var(--transition), color var(--transition);
}

.tag:hover { border-color: var(--accent); color: var(--accent); }

.about-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.about-photo-wrap {
  position: relative;
  aspect-ratio: 1;
  background: var(--bg-alt);
  overflow: hidden;
}

.about-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  filter: grayscale(20%);
  transition: filter var(--transition);
}

.about-photo:hover { filter: grayscale(0%); }

.about-photo-fallback {
  display: none;
  position: absolute;
  inset: 0;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 4rem;
  font-weight: 800;
  color: var(--text-faint);
}

.about-quick {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.quick-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.quick-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-faint);
  font-weight: 600;
}

.quick-val {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.open-badge {
  display: inline-block;
  background: var(--accent-dim);
  color: var(--accent);
  padding: 2px 10px;
  border-radius: 100px;
  font-size: 0.8rem;
  border: 1px solid rgba(110,231,183,0.2);
}

/* ── TIMELINE ── */
.timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.timeline-item {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 24px;
  padding-bottom: 40px;
}

.timeline-item:last-child { padding-bottom: 0; }
.timeline-item:last-child .marker-line { display: none; }

.timeline-marker {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 20px;
}

.marker-dot {
  width: 12px; height: 12px;
  border-radius: 50%;
  border: 2px solid var(--text-faint);
  background: var(--bg);
  flex-shrink: 0;
  transition: border-color var(--transition);
}

.marker-dot.active { border-color: var(--accent); background: var(--accent); box-shadow: 0 0 12px var(--accent-glow); }

.marker-line {
  flex: 1;
  width: 1px;
  background: var(--border);
  margin-top: 8px;
}

.timeline-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: border-color var(--transition), transform var(--transition);
}

.timeline-card:hover {
  border-color: var(--border-hover);
  transform: translateX(4px);
}

.timeline-card.current {
  border-color: rgba(110,231,183,0.2);
}

.timeline-card.current:hover {
  border-color: rgba(110,231,183,0.4);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 16px;
}

.card-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 3px 10px;
  border-radius: 100px;
  background: var(--accent-dim);
  color: var(--accent);
  border: 1px solid rgba(110,231,183,0.2);
  margin-bottom: 6px;
}

.card-badge.ongoing {
  background: rgba(129,140,248,0.1);
  color: #818cf8;
  border-color: rgba(129,140,248,0.2);
}

.card-badge.distinction {
  background: rgba(251,191,36,0.1);
  color: #fbbf24;
  border-color: rgba(251,191,36,0.2);
}

.card-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text);
  margin-bottom: 4px;
}

.card-company {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.card-date {
  font-size: 0.8rem;
  color: var(--text-faint);
  white-space: nowrap;
  margin-top: 4px;
  font-variant-numeric: tabular-nums;
}

.card-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 16px;
}

.card-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
}

.highlight-chip {
  display: flex;
  flex-direction: column;
  padding: 10px 16px;
  background: rgba(110,231,183,0.06);
  border: 1px solid rgba(110,231,183,0.15);
  border-radius: 8px;
}

.chip-num {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}

.chip-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 3px;
}

.card-list {
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.card-list li {
  font-size: 0.9rem;
  color: var(--text-muted);
  padding-left: 16px;
  position: relative;
  line-height: 1.6;
}

.card-list li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tag-sm {
  font-size: 0.72rem;
  padding: 3px 10px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--text-faint);
  letter-spacing: 0.02em;
}

/* ── PROJECTS ── */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.project-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: border-color var(--transition), transform var(--transition), background var(--transition);
}

.project-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-3px);
  background: #15151f;
}

.project-card.featured {
  grid-column: span 2;
  border-color: rgba(110,231,183,0.2);
  background: linear-gradient(135deg, rgba(110,231,183,0.04) 0%, var(--bg-card) 60%);
}

.project-card.featured:hover {
  border-color: rgba(110,231,183,0.35);
}

.project-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.project-badge {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-faint);
}

.project-badge.featured { color: var(--accent); }

.project-links {
  display: flex;
  gap: 8px;
  align-items: center;
}

.project-link-icon {
  font-size: 1rem;
  color: var(--text-faint);
  transition: color var(--transition);
  padding: 4px;
}

.project-link-icon:hover { color: var(--accent); }

.project-tag-status {
  font-size: 0.72rem;
  letter-spacing: 0.06em;
}

.project-tag-status.live { color: var(--accent); }

.project-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text);
  line-height: 1.3;
}

.project-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
  flex: 1;
}

.project-metrics {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.pm { display: flex; flex-direction: column; }

.pm-val {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}

.pm-key {
  font-size: 0.72rem;
  color: var(--text-faint);
  margin-top: 2px;
}

.project-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.project-stack span {
  font-size: 0.72rem;
  padding: 3px 10px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--text-faint);
}

/* ── SKILLS ── */
.skills-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 40px;
}

.skill-group {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: border-color var(--transition);
}

.skill-group:hover { border-color: var(--border-hover); }

.skill-group-icon {
  font-size: 1.25rem;
  color: var(--accent);
  margin-bottom: 12px;
  opacity: 0.7;
}

.skill-group-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text);
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}

.skill-list { display: flex; flex-direction: column; gap: 14px; }

.skill-item { display: flex; flex-direction: column; gap: 6px; }

.skill-name {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.skill-bar {
  height: 3px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
}

.skill-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), rgba(110,231,183,0.5));
  border-radius: 2px;
  transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.skill-fill.animated { width: var(--w); }

/* certs */
.cert-list { display: flex; flex-direction: column; gap: 16px; }

.cert-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.cert-icon { font-size: 1.25rem; flex-shrink: 0; line-height: 1.4; }

.cert-name {
  font-size: 0.875rem;
  color: var(--text);
  font-weight: 500;
  line-height: 1.4;
}

.cert-org {
  font-size: 0.78rem;
  color: var(--text-faint);
  margin-top: 2px;
}

/* edu strip */
.edu-strip {
  display: flex;
  align-items: stretch;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.edu-item {
  flex: 1;
  padding: 24px 28px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.edu-degree {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--text);
}

.edu-school {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.edu-divider {
  width: 1px;
  background: var(--border);
  align-self: stretch;
}

/* ── CONTACT ── */
.contact-wrap {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 64px;
  align-items: start;
}

.contact-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 480px;
  line-height: 1.75;
  margin-bottom: 40px;
  margin-top: -20px;
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.95rem;
  color: var(--text-muted);
  transition: color var(--transition);
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-card);
  transition: border-color var(--transition), color var(--transition);
}

.contact-item:hover { color: var(--text); border-color: var(--border-hover); }

.contact-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px; height: 32px;
  background: var(--accent-dim);
  border-radius: 6px;
  font-size: 0.85rem;
  color: var(--accent);
  font-weight: 700;
  flex-shrink: 0;
}

.contact-right {
  display: flex;
  flex-direction: column;
  gap: 20px;
  align-items: flex-end;
}

.resume-card {
  display: block;
  width: 200px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--transition), transform var(--transition);
}

.resume-card:hover { border-color: var(--accent); transform: translateY(-2px); }

.resume-card-inner {
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  text-align: center;
}

.resume-icon {
  font-size: 2rem;
  color: var(--accent);
  line-height: 1;
}

.resume-label {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text);
}

.resume-sub {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.availability {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.avail-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent-glow);
  animation: pulse 2.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 4px var(--accent-glow); }
  50% { box-shadow: 0 0 14px var(--accent-glow); }
}

/* ── FOOTER ── */
.footer {
  border-top: 1px solid var(--border);
  padding: 28px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.footer-logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.1rem;
}

.footer-copy {
  font-size: 0.8rem;
  color: var(--text-faint);
}

.footer-links {
  display: flex;
  gap: 20px;
}

.footer-links a {
  font-size: 0.8rem;
  color: var(--text-faint);
  transition: color var(--transition);
}

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

/* ── REVEAL ANIMATIONS ── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* stagger children */
.hero-content .reveal:nth-child(1) { transition-delay: 0.05s; }
.hero-content .reveal:nth-child(2) { transition-delay: 0.15s; }
.hero-content .reveal:nth-child(3) { transition-delay: 0.25s; }
.hero-content .reveal:nth-child(4) { transition-delay: 0.35s; }
.hero-content .reveal:nth-child(5) { transition-delay: 0.45s; }
.hero-content .reveal:nth-child(6) { transition-delay: 0.55s; }

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .about-grid { grid-template-columns: 1fr; }
  .about-card { max-width: 420px; }
  .projects-grid { grid-template-columns: 1fr 1fr; }
  .project-card.featured { grid-column: span 2; }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    flex-direction: column;
    position: fixed;
    top: 64px; left: 0; right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    padding: 20px 24px;
    gap: 4px;
  }

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

  .hero { padding: 80px 24px 60px; }
  .hero-stats { flex-wrap: wrap; gap: 20px; padding: 20px; }
  .stat-divider { display: none; }
  .hero-scroll { display: none; }

  .section { padding: 72px 0; }
  .container { padding: 0 20px; }

  .about-grid { gap: 40px; }
  .projects-grid { grid-template-columns: 1fr; }
  .project-card.featured { grid-column: span 1; }

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

  .contact-wrap { grid-template-columns: 1fr; }
  .contact-right { align-items: flex-start; }

  .edu-strip { flex-direction: column; }
  .edu-divider { width: 100%; height: 1px; }

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

  .card-header { flex-direction: column; gap: 8px; }
  .card-date { margin-top: 0; }
}

@media (max-width: 480px) {
  .hero-title { font-size: clamp(3rem, 15vw, 5rem); }
  .section-title { font-size: clamp(1.8rem, 7vw, 2.5rem); }
  .hero-actions { flex-direction: column; }
  .btn-primary, .btn-ghost { width: 100%; justify-content: center; }
}