/* ============================================
   Section-specific styles
   ============================================ */

/* ============== HERO ============== */
.hero {
  min-height: 100vh;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  display: block;
}

/* persistent global scene canvas */
.scene-canvas {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  display: block;
  pointer-events: none;
}

/* Subtle dim layer over scene so content stays legible.
   Darker in the central reading band, transparent at edges. */
.scene-dim {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(5,6,10,0.45) 0%, rgba(5,6,10,0.15) 30%, rgba(5,6,10,0.15) 70%, rgba(5,6,10,0.45) 100%),
    radial-gradient(ellipse 70% 80% at 50% 50%, rgba(5,6,10,0.35), transparent 70%);
}

.hero-content {
  position: relative;
  z-index: 3;
  text-align: center;
  padding: 0 24px;
  max-width: 1100px;
}

.hero-meta {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(10, 12, 20, 0.5);
  backdrop-filter: blur(12px);
  margin-bottom: 36px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--ink-soft);
  text-transform: uppercase;
}
.hero-meta .dot {
  width: 6px; height: 6px;
  background: var(--cyan);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--cyan);
  animation: pulse 2s ease-in-out infinite;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(56px, 11vw, 180px);
  font-weight: 500;
  letter-spacing: -0.055em;
  line-height: 0.94;
  color: var(--ink);
  margin-bottom: 12px;
}

.hero-title .line {
  display: block;
  overflow: hidden;
}
.hero-title .word {
  display: inline-block;
}

.hero-title .alt {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #5ef3ff, #a26bff 60%, #ff7ad1);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  padding-right: 0.12em;
}

.hero-tagline {
  margin: 32px auto 48px;
  max-width: 580px;
  font-size: 18px;
  line-height: 1.55;
  color: var(--ink-soft);
}

.hero-actions {
  display: inline-flex;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: center;
}

.hero-scroll {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  color: var(--ink-mute);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
}
.hero-scroll .line {
  width: 1px;
  height: 56px;
  background: linear-gradient(to bottom, transparent, rgba(255,255,255,0.5), transparent);
  position: relative;
  overflow: hidden;
}
.hero-scroll .line::after {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 30%;
  background: var(--cyan);
  box-shadow: 0 0 12px var(--cyan);
  animation: scroll-line 2.4s var(--ease-out-quart) infinite;
}
@keyframes scroll-line {
  0% { transform: translateY(-100%); opacity: 0; }
  20% { opacity: 1; }
  100% { transform: translateY(360%); opacity: 0; }
}

/* corner UI */
.hero-corner {
  position: absolute;
  z-index: 3;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.hero-corner.tl { top: 110px; left: 40px; }
.hero-corner.tr { top: 110px; right: 40px; text-align: right; }
.hero-corner.bl { bottom: 36px; left: 40px; }
.hero-corner.br { bottom: 36px; right: 40px; text-align: right; }
.hero-corner .v {
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 0;
  text-transform: none;
  margin-top: 4px;
  display: block;
}

@media (max-width: 900px) {
  .hero-corner.tl, .hero-corner.tr { display: none; }
  .hero-corner.bl, .hero-corner.br { font-size: 9px; }
  .hero-tagline { font-size: 16px; margin: 24px auto 36px; }
}
@media (max-width: 480px) {
  .hero-corner.bl, .hero-corner.br { display: none; }
  .hero-content { padding: 0 16px; }
  .hero-tagline { font-size: 15px; max-width: 100%; }
  .hero-actions { gap: 10px; }
  .hero-actions .btn { padding: 12px 20px; font-size: 13px; }
  .hero-meta { font-size: 9px; letter-spacing: 0.12em; padding: 6px 12px; margin-bottom: 24px; }
}

/* ============== ABOUT ============== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
  margin-top: 80px;
}
@media (max-width: 980px) {
  .about-grid { grid-template-columns: 1fr; gap: 60px; }
}

.about-portrait {
  position: relative;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background:
    radial-gradient(ellipse at 30% 20%, rgba(94, 243, 255, 0.18), transparent 60%),
    radial-gradient(ellipse at 70% 80%, rgba(162, 107, 255, 0.28), transparent 60%),
    linear-gradient(180deg, #11141f, #05060a);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-portrait .placeholder-figure {
  width: 70%;
  height: 70%;
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 40%, rgba(255,255,255,0.18), transparent 60%),
    conic-gradient(from 180deg, var(--blue), var(--purple), var(--pink), var(--cyan), var(--blue));
  filter: blur(2px);
  opacity: 0.85;
  animation: spin-slow 40s linear infinite;
}
.about-portrait .core {
  position: absolute;
  width: 38%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,0.9), rgba(255,255,255,0) 70%);
  filter: blur(20px);
  mix-blend-mode: screen;
  animation: float 5s ease-in-out infinite;
}
.about-portrait .ring {
  position: absolute;
  inset: 12%;
  border: 1px dashed rgba(255,255,255,0.25);
  border-radius: 50%;
  animation: spin-slow 60s linear infinite reverse;
}
.about-portrait .ring-2 {
  position: absolute;
  inset: 22%;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 50%;
}
.about-portrait .corner-mark {
  position: absolute;
  top: 18px; left: 18px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.about-portrait .corner-mark.r { left: auto; right: 18px; top: 18px; }
.about-portrait .corner-mark.bl { top: auto; bottom: 18px; left: 18px; }
.about-portrait .corner-mark.br { top: auto; bottom: 18px; left: auto; right: 18px; text-align: right; }

.about-copy h3 {
  font-family: var(--font-display);
  font-size: clamp(28px, 3vw, 38px);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.15;
  margin-bottom: 22px;
}
.about-copy p {
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.7;
  margin-bottom: 18px;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 40px;
}
.stat {
  padding: 22px 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(15,18,28,0.7), rgba(15,18,28,0.45));
  backdrop-filter: blur(14px) saturate(1.2);
  -webkit-backdrop-filter: blur(14px) saturate(1.2);
  position: relative;
  overflow: hidden;
}
.stat-value {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 500;
  letter-spacing: -0.03em;
  background: var(--grad-aurora);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
}
.stat-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-top: 10px;
}
.stat-suffix {
  font-family: var(--font-display);
  font-size: 24px;
  color: var(--ink-soft);
}

/* timeline beside about */
.about-timeline {
  margin-top: 40px;
  border-left: 1px solid var(--border);
  padding-left: 22px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.about-timeline-item {
  position: relative;
  font-size: 14px;
  color: var(--ink-soft);
}
.about-timeline-item::before {
  content: '';
  position: absolute;
  left: -27px;
  top: 6px;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 12px var(--blue);
}
.about-timeline-item .y {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-right: 12px;
}

@media (max-width: 640px) {
  .about-stats { grid-template-columns: 1fr; gap: 12px; }
  .stat { padding: 16px; }
  .stat-value { font-size: 28px; }
  .about-timeline { padding-left: 18px; }
  .about-timeline-item { font-size: 13px; }
  .about-timeline-item .y { display: block; margin-bottom: 4px; margin-right: 0; }
}

/* ============== SKILLS ============== */
.skills-head {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  margin-bottom: 80px;
  align-items: end;
}
@media (max-width: 900px) {
  .skills-head { grid-template-columns: 1fr; gap: 30px; }
}

.skill-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
@media (max-width: 980px) { .skill-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 640px) { .skill-grid { grid-template-columns: repeat(2, 1fr); } }

.skill-card {
  position: relative;
  padding: 22px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(15,18,28,0.72), rgba(15,18,28,0.5));
  backdrop-filter: blur(14px) saturate(1.2);
  -webkit-backdrop-filter: blur(14px) saturate(1.2);
  transition: transform 0.4s var(--ease-out-expo), border-color 0.3s, background 0.3s;
  overflow: hidden;
  cursor: none;
  min-height: 168px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.skill-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(400px circle at var(--mx, 50%) var(--my, 50%), rgba(162, 107, 255, 0.18), transparent 40%);
  opacity: 0;
  transition: opacity 0.4s;
  pointer-events: none;
}
.skill-card:hover::before { opacity: 1; }
.skill-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
}

.skill-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02));
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 18px;
  color: var(--ink);
  position: relative;
}

.skill-card .name {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.skill-card .lvl {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

.skill-bar {
  height: 2px;
  background: rgba(255,255,255,0.08);
  border-radius: 999px;
  overflow: hidden;
  margin-top: 10px;
}
.skill-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--blue), var(--purple));
  transform-origin: left center;
  transform: scaleX(0);
  transition: transform 1.4s var(--ease-out-expo) 0.1s;
  box-shadow: 0 0 8px var(--purple);
}
.skill-card.is-in .skill-bar-fill { transform: scaleX(var(--lvl, 0.7)); }

/* skill orb (3D-ish) */
.skill-orb-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  height: 320px;
}
.skill-orb {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  perspective: 800px;
}
.skill-orb .orb-core {
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 30% 30%, rgba(255,255,255,0.6), transparent 50%),
    radial-gradient(circle at 70% 70%, rgba(162, 107, 255, 0.7), transparent 60%),
    radial-gradient(circle at 50% 50%, rgba(77, 159, 255, 0.6), transparent 70%);
  filter: blur(2px);
  box-shadow: 0 0 100px rgba(162, 107, 255, 0.5);
}
.skill-orb .ring {
  position: absolute;
  border: 1px dashed rgba(255,255,255,0.18);
  border-radius: 50%;
}
.skill-orb .r1 { width: 280px; height: 280px; animation: spin-slow 30s linear infinite; }
.skill-orb .r2 { width: 340px; height: 340px; animation: spin-slow 60s linear infinite reverse; border-style: solid; border-color: rgba(255,255,255,0.06); }

@media (max-width: 640px) {
  .skill-orb-wrap { height: 200px; }
  .skill-orb .orb-core { width: 140px; height: 140px; }
  .skill-orb .r1 { width: 180px; height: 180px; }
  .skill-orb .r2 { width: 220px; height: 220px; }
  .skill-card { padding: 16px; min-height: 140px; }
}

/* ============== PROJECTS ============== */
.projects-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 30px;
  flex-wrap: wrap;
  margin-bottom: 60px;
}

.proj-filters {
  display: flex;
  gap: 6px;
  padding: 6px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255,255,255,0.02);
}
.proj-filter {
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 12px;
  color: var(--ink-soft);
  font-family: var(--font-display);
  letter-spacing: 0.01em;
  transition: color 0.3s, background 0.3s;
  position: relative;
}
.proj-filter.active {
  background: var(--grad-aurora);
  color: #fff;
}
.proj-filter:hover:not(.active) { color: var(--ink); }

.projects-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 20px;
}

.project-card {
  position: relative;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  overflow: hidden;
  background: linear-gradient(180deg, rgba(15,18,28,0.78), rgba(15,18,28,0.55));
  backdrop-filter: blur(16px) saturate(1.2);
  -webkit-backdrop-filter: blur(16px) saturate(1.2);
  transition: transform 0.5s var(--ease-out-expo), border-color 0.3s, box-shadow 0.5s;
  cursor: none;
  isolation: isolate;
  will-change: transform;
}
.project-card:hover {
  border-color: var(--border-strong);
  box-shadow: 0 40px 80px -40px rgba(162, 107, 255, 0.45);
}

.project-card .preview {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--bg-1);
}
.project-card .preview .mockup {
  position: absolute;
  inset: 8% 8% auto 8%;
  bottom: 0;
  border-radius: 14px 14px 0 0;
  border: 1px solid var(--border-strong);
  border-bottom: none;
  background: linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.01));
  overflow: hidden;
  transition: transform 0.6s var(--ease-out-expo);
}
.project-card:hover .preview .mockup { transform: translateY(-12px); }

.project-card .preview .mockup-bar {
  height: 26px;
  background: rgba(0,0,0,0.4);
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 12px;
  border-bottom: 1px solid var(--border);
}
.project-card .preview .mockup-bar i {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.18);
  display: inline-block;
}

.project-card .preview .glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 30%, var(--c1, rgba(77,159,255,0.4)), transparent 60%);
  z-index: 0;
}

.project-card .meta {
  padding: 22px 24px 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.project-card .row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.project-card .tag {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.project-card .num {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--ink-faint);
}
.project-card h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.project-card .desc {
  font-size: 13px;
  color: var(--ink-soft);
  line-height: 1.55;
}
.project-card .chips {
  display: flex;
  gap: 6px;
  margin-top: 8px;
  flex-wrap: wrap;
}
.project-card .chip {
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 11px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  color: var(--ink-soft);
}

.project-card.span-7 { grid-column: span 7; }
.project-card.span-5 { grid-column: span 5; }
.project-card.span-6 { grid-column: span 6; }
.project-card.span-12 { grid-column: span 12; }
.project-card.span-4 { grid-column: span 4; }
.project-card.span-8 { grid-column: span 8; }

@media (max-width: 980px) {
  .project-card.span-7, .project-card.span-5,
  .project-card.span-6, .project-card.span-4, .project-card.span-8 { grid-column: span 12; }
}

/* Project hover open button */
.project-open {
  position: absolute;
  bottom: 22px; right: 22px;
  width: 46px; height: 46px;
  border-radius: 50%;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.4s var(--ease-out-expo), background 0.3s;
  z-index: 4;
}
.project-card:hover .project-open {
  background: var(--grad-aurora);
  transform: rotate(45deg);
}

/* Modal */
.proj-modal {
  position: fixed;
  inset: 0;
  z-index: 5000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(20px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s var(--ease-out-expo);
}
.proj-modal.is-open { opacity: 1; pointer-events: auto; }
.proj-modal-card {
  width: min(960px, 92vw);
  max-height: 86vh;
  overflow: auto;
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 0;
  position: relative;
  transform: translateY(20px) scale(0.98);
  transition: transform 0.5s var(--ease-out-expo);
}
.proj-modal.is-open .proj-modal-card { transform: translateY(0) scale(1); }

.proj-modal-hero {
  aspect-ratio: 16/8;
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}
.proj-modal-body { padding: 40px; }
@media (max-width: 640px) {
  .proj-modal-body { padding: 20px; }
  .proj-modal-body > div { grid-template-columns: 1fr !important; gap: 20px !important; }
  .proj-modal-hero { aspect-ratio: 16/10; }
  .proj-modal-card { width: min(960px, 96vw); max-height: 90vh; }
  .proj-modal-card h2 { font-size: 32px !important; }
}
.proj-modal-close {
  position: absolute;
  top: 22px; right: 22px;
  width: 40px; height: 40px;
  border-radius: 50%;
  background: rgba(0,0,0,0.6);
  border: 1px solid var(--border-strong);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
}

/* ============== EXPERIENCE ============== */
.exp-timeline {
  position: relative;
  margin-top: 60px;
}
.exp-timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0; bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, transparent, var(--border-strong) 5%, var(--border-strong) 95%, transparent);
  transform: translateX(-50%);
}
@media (max-width: 900px) {
  .exp-timeline::before { left: 12px; }
}

.exp-item {
  display: grid;
  grid-template-columns: 1fr 60px 1fr;
  align-items: start;
  margin-bottom: 60px;
  position: relative;
}
@media (max-width: 900px) {
  .exp-item { grid-template-columns: 24px 1fr; gap: 16px; }
}

.exp-item .node {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.exp-item .node::before {
  content: '';
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--bg-0);
  border: 2px solid var(--cyan);
  box-shadow: 0 0 20px var(--cyan);
  z-index: 1;
}
.exp-item .node::after {
  content: '';
  position: absolute;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid rgba(94, 243, 255, 0.3);
  animation: pulse 2.4s ease-in-out infinite;
}

.exp-card {
  padding: 26px 28px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(15,18,28,0.72), rgba(15,18,28,0.5));
  backdrop-filter: blur(14px) saturate(1.2);
  -webkit-backdrop-filter: blur(14px) saturate(1.2);
  transition: border-color 0.3s, transform 0.5s var(--ease-out-expo);
}
.exp-card:hover { border-color: var(--border-strong); transform: translateY(-3px); }
.exp-card .y {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 8px;
}
.exp-card h4 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 500;
  letter-spacing: -0.02em;
  margin-bottom: 4px;
}
.exp-card .co {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--ink-soft);
  font-size: 17px;
  margin-bottom: 12px;
}
.exp-card p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-soft);
}

.exp-item.left .exp-card { grid-column: 1; }
.exp-item.left .node { grid-column: 2; }
.exp-item.left .spacer { grid-column: 3; }
.exp-item.right .spacer { grid-column: 1; }
.exp-item.right .node { grid-column: 2; }
.exp-item.right .exp-card { grid-column: 3; }

@media (max-width: 900px) {
  .exp-item.left .exp-card,
  .exp-item.right .exp-card { grid-column: 2; }
  .exp-item.left .node,
  .exp-item.right .node { grid-column: 1; }
  .exp-item .spacer { display: none; }
}
@media (max-width: 640px) {
  .exp-card { padding: 20px; }
  .exp-card h4 { font-size: 17px; }
  .exp-card .co { font-size: 15px; }
  .exp-card p { font-size: 13px; }
  .exp-item { margin-bottom: 40px; }
}

/* ============== TESTIMONIALS ============== */
.testi-track {
  display: flex;
  gap: 22px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 30px 0 50px;
  margin: 0 -40px;
  padding-left: 40px;
  padding-right: 40px;
  scrollbar-width: none;
}
.testi-track::-webkit-scrollbar { display: none; }

.testi-card {
  flex: 0 0 min(480px, 80vw);
  scroll-snap-align: start;
  padding: 36px 34px;
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, rgba(15,18,28,0.78), rgba(15,18,28,0.55));
  border: 1px solid var(--border);
  backdrop-filter: blur(18px) saturate(1.2);
  -webkit-backdrop-filter: blur(18px) saturate(1.2);
  position: relative;
}
.testi-card .quote-mark {
  font-family: var(--font-serif);
  font-size: 80px;
  line-height: 0.5;
  color: var(--purple);
  opacity: 0.4;
  position: absolute;
  top: 24px; right: 28px;
}
.testi-card .body {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 22px;
  line-height: 1.45;
  color: var(--ink);
  margin-bottom: 24px;
  letter-spacing: -0.005em;
}
.testi-card .who {
  display: flex;
  align-items: center;
  gap: 12px;
}
.testi-card .avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: conic-gradient(from 0deg, var(--c1, var(--blue)), var(--c2, var(--purple)), var(--c3, var(--pink)), var(--c1, var(--blue)));
  position: relative;
}
.testi-card .avatar::after {
  content: attr(data-initials);
  position: absolute;
  inset: 2px;
  border-radius: 50%;
  background: var(--bg-1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 13px;
  color: var(--ink);
}
.testi-card .name {
  font-weight: 500;
  font-size: 15px;
}
.testi-card .role {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-top: 2px;
}

.testi-controls {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}
.testi-arrow {
  width: 48px; height: 48px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.04);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.3s, border-color 0.3s, transform 0.4s var(--ease-out-expo);
}
.testi-arrow:hover { background: rgba(255,255,255,0.08); border-color: var(--border-strong); transform: translateY(-2px); }

@media (max-width: 640px) {
  .testi-card { padding: 24px 22px; }
  .testi-card .body { font-size: 17px; }
  .testi-track { margin: 0 -22px; padding-left: 22px; padding-right: 22px; }
}

/* ============== CONTACT ============== */
.contact-wrap {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  margin-top: 60px;
  align-items: start;
}
@media (max-width: 980px) {
  .contact-wrap { grid-template-columns: 1fr; gap: 40px; }
}

.contact-form {
  padding: 40px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(15,18,28,0.78), rgba(15,18,28,0.55));
  backdrop-filter: blur(16px) saturate(1.2);
  -webkit-backdrop-filter: blur(16px) saturate(1.2);
  position: relative;
  overflow: hidden;
}

.field {
  position: relative;
  margin-bottom: 24px;
}
.field label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-mute);
  display: block;
  margin-bottom: 10px;
}
.field input,
.field textarea {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border-strong);
  padding: 8px 0 14px;
  font-size: 17px;
  color: var(--ink);
  font-family: var(--font-display);
  letter-spacing: -0.005em;
  outline: none;
  transition: border-color 0.3s;
  resize: vertical;
}
.field input::placeholder,
.field textarea::placeholder { color: var(--ink-faint); }
.field input:focus,
.field textarea:focus { border-color: var(--cyan); }
.field .underglow {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 1px;
  background: var(--grad-aurora);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s var(--ease-out-expo);
}
.field input:focus ~ .underglow,
.field textarea:focus ~ .underglow { transform: scaleX(1); }

.contact-side {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.contact-info {
  padding: 28px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(15,18,28,0.72), rgba(15,18,28,0.5));
  backdrop-filter: blur(14px) saturate(1.2);
  -webkit-backdrop-filter: blur(14px) saturate(1.2);
}
.contact-info .k {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-mute);
  margin-bottom: 8px;
}
.contact-info .v {
  font-family: var(--font-display);
  font-size: 18px;
  letter-spacing: -0.01em;
}

.socials {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}
.social {
  padding: 18px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: rgba(15,18,28,0.6);
  backdrop-filter: blur(12px) saturate(1.2);
  -webkit-backdrop-filter: blur(12px) saturate(1.2);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  transition: background 0.3s, border-color 0.3s, transform 0.4s var(--ease-out-expo);
}
.social:hover { background: rgba(255,255,255,0.06); border-color: var(--border-strong); transform: translateY(-2px); }
.social .n {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 500;
}
.social .a {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  color: var(--ink-mute);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 100%;
}

@media (max-width: 640px) {
  .contact-form { padding: 24px 20px; }
  .socials { grid-template-columns: 1fr; }
  .social { padding: 14px 16px; }
  .contact-info { padding: 20px; }
  .contact-info .v { font-size: 15px; word-break: break-word; }
}
@media (max-width: 480px) {
  .field input, .field textarea { font-size: 15px; }
}

/* ============== FOOTER ============== */
.footer {
  padding: 80px 0 50px;
  border-top: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
.footer::before {
  content: '';
  position: absolute;
  inset: -50% 0 auto 0;
  height: 200%;
  background: radial-gradient(ellipse 60% 50% at 50% 50%, rgba(162, 107, 255, 0.15), transparent 70%);
  pointer-events: none;
}
.footer-eyebrow {
  text-align: center;
  margin-bottom: 40px;
}
.footer-mark {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(80px, 14vw, 220px);
  text-align: center;
  background: var(--grad-aurora);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 28px;
  position: relative;
}
.footer-mark .period {
  color: var(--cyan);
  -webkit-text-fill-color: var(--cyan);
  text-shadow: 0 0 30px var(--cyan);
}
.footer-tag {
  text-align: center;
  max-width: 540px;
  margin: 0 auto 60px;
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.6;
}

.footer-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ink-mute);
  flex-wrap: wrap;
  gap: 16px;
}
.footer-row a:hover { color: var(--ink); }

@media (max-width: 640px) {
  .footer { padding: 60px 0 40px; }
  .footer-row { flex-direction: column; align-items: center; text-align: center; gap: 10px; font-size: 10px; }
  .footer-tag { font-size: 14px; margin-bottom: 40px; }
}

/* ============== EASTER EGG ============== */
.konami-toast {
  position: fixed;
  bottom: 30px; left: 50%;
  transform: translateX(-50%) translateY(150%);
  padding: 14px 24px;
  border-radius: 999px;
  background: var(--grad-aurora);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  z-index: 9000;
  transition: transform 0.5s var(--ease-spring);
  box-shadow: 0 20px 60px -20px rgba(162, 107, 255, 0.8);
}
.konami-toast.show { transform: translateX(-50%) translateY(0); }