/* ═══════════════════════════════════════════════════════
   HERO.CSS — Section 01
   Split asymmetric layout · Profile ring · Canvas mesh
═══════════════════════════════════════════════════════ */

/* ── Hero Container ─────────────────────────────────── */
.hero {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 640px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--color-black);
}

/* ── Canvas ─────────────────────────────────────────── */
#hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* ── Content — asymmetric two-column grid ───────────── */
.hero-content {
  position: relative;
  z-index: var(--z-content);
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: clamp(40px, 6vw, 100px);
  width: 100%;
  max-width: 1240px;
  padding: 0 clamp(24px, 6vw, 88px);
}

/* ── Left: text column ──────────────────────────────── */
.hero-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

/* Section eyebrow */
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: rgba(65, 189, 254, 0.52);
  margin-bottom: clamp(16px, 2.8vw, 34px);

  opacity: 0;
  animation: heroFadeIn 0.8s ease 0.1s forwards;
}

.hero-eyebrow::before {
  content: '';
  width: 28px;
  height: 1px;
  background: rgba(65, 189, 254, 0.55);
  flex-shrink: 0;
}

/* Name */
.hero-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.4rem, 5.8vw, 5.2rem);
  letter-spacing: -0.04em;
  line-height: 0.88;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
  margin-bottom: clamp(16px, 2.4vw, 28px);
  will-change: transform, opacity;

  opacity: 0;
  transform: translateY(32px);
  animation: heroFadeUp 1s var(--ease-out-quart) 0.22s forwards;
}

.hero-name-line {
  display: block;
}

/* Title */
.hero-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(0.85rem, 1.6vw, 1.15rem);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.88);
  margin-bottom: clamp(20px, 3vw, 34px);

  opacity: 0;
  transform: translateY(18px);
  animation: heroFadeUp 0.9s var(--ease-out-quart) 0.40s forwards;
}

/* Rotating subtitle */
.hero-subtitle-wrap {
  position: relative;
  height: clamp(1.8rem, 3vw, 2.5rem);
  display: flex;
  align-items: center;
  overflow: hidden;
  margin-bottom: clamp(22px, 3.8vw, 44px);

  opacity: 0;
  animation: heroFadeIn 0.8s ease 0.58s forwards;
}

.hero-subtitle-wrap::before {
  content: '';
  width: 32px;
  height: 1px;
  background: rgba(65, 189, 254, 0.40);
  flex-shrink: 0;
  margin-right: 14px;
}

.hero-subtitle {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1rem, 2.2vw, 1.75rem);
  letter-spacing: -0.01em;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
  white-space: nowrap;
  will-change: opacity, transform;
}

/* Meta — age + clock */
.hero-meta {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.10em;
  color: var(--color-text-muted);
  margin-bottom: clamp(22px, 3.5vw, 40px);
  will-change: transform, opacity;

  opacity: 0;
  transform: translateY(14px);
  animation: heroFadeUp 0.8s var(--ease-out-quart) 0.74s forwards;
}

.hero-meta-sep { color: var(--color-text-faint); }

/* Social links */
.hero-socials {
  display: flex;
  align-items: center;
  gap: var(--sp-5);
  will-change: transform, opacity;

  opacity: 0;
  transform: translateY(14px);
  animation: heroFadeUp 0.8s var(--ease-out-quart) 0.90s forwards;
}

.hero-social-link {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  transition: background var(--t-base), border-color var(--t-base), color var(--t-base), transform var(--t-base);
  text-decoration: none;
}

.hero-social-link:hover,
.hero-social-link:focus-visible {
  background: rgba(65, 189, 254, 0.1);
  border-color: rgba(65, 189, 254, 0.35);
  color: var(--color-blue);
  transform: translateY(-2px);
}

.hero-social-icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.hero-resume-btn {
  display: inline-flex;
  flex-direction: row;
  align-items: center;
  gap: 7px;
  height: 40px;
  padding: 0 16px;
  border-radius: 100px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  white-space: nowrap;
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: background var(--t-base), border-color var(--t-base), color var(--t-base), transform var(--t-base);
}

.hero-resume-btn:hover,
.hero-resume-btn:focus-visible {
  background: rgba(65, 189, 254, 0.1);
  border-color: rgba(65, 189, 254, 0.35);
  color: var(--color-blue);
  transform: translateY(-2px);
}

.hero-resume-icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* ── Tagline (hidden until ready) ──────────────────── */
.hero-tagline {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: clamp(0.95rem, 1.8vw, 1.2rem);
  color: var(--color-text-secondary);
  font-style: italic;
  margin-bottom: clamp(16px, 2.4vw, 28px);
}

/* ── Right: profile ring visual ─────────────────────── */
.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;

  opacity: 0;
  animation: heroFadeIn 1.2s ease 0.35s forwards;
}

/* Ambient glow orb behind ring */
.hero-ring-glow {
  position: absolute;
  inset: -60px;
  border-radius: 50%;
  background: radial-gradient(
    ellipse at center,
    rgba(65, 189, 254, 0.14) 0%,
    rgba(225, 17, 251, 0.12) 44%,
    transparent 72%
  );
  pointer-events: none;
  animation: heroGlowPulse 4.5s ease-in-out infinite;
}

@keyframes heroGlowPulse {
  0%, 100% { transform: scale(1);    opacity: 1;    }
  50%       { transform: scale(1.08); opacity: 0.72; }
}

/* Spinning gradient ring */
@property --hero-ring-angle {
  syntax: '<angle>';
  initial-value: 0deg;
  inherits: false;
}

.hero-ring {
  --hero-ring-angle: 0deg;
  width: clamp(190px, 19vw, 268px);
  height: clamp(190px, 19vw, 268px);
  border-radius: 50%;
  padding: 6px;
  background: conic-gradient(
    from var(--hero-ring-angle),
    #41BDFE 0%,
    #E111FB 50%,
    #41BDFE 100%
  );
  animation: hero-ring-spin 6s linear infinite;
  position: relative;
  transition: box-shadow 0.5s ease;
  flex-shrink: 0;
}

@keyframes hero-ring-spin {
  to { --hero-ring-angle: 360deg; }
}

.hero:hover .hero-ring {
  animation-duration: 3.5s;
  box-shadow:
    0 0 52px rgba(65, 189, 254, 0.22),
    0 0 100px rgba(225, 17, 251, 0.14);
}

.hero-ring-inner {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: #101010;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 0 3px #ffffff;
}

.hero-profile-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  border-radius: 50%;
}

.hero-profile-initial {
  display: none;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.2rem, 4.5vw, 3.8rem);
  letter-spacing: -0.02em;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
}

/* ── Scroll hint ────────────────────────────────────── */
.scroll-hint {
  position: absolute;
  bottom: 2.25rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: var(--z-content);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-3);

  opacity: 0;
  animation: heroFadeIn 1s ease 1.6s forwards;
}

.scroll-mouse {
  width: 21px;
  height: 33px;
  border: 1.5px solid rgba(255, 255, 255, 0.15);
  border-radius: 11px;
  position: relative;
  display: flex;
  justify-content: center;
  flex-shrink: 0;
}

.scroll-mouse-wheel {
  width: 2px;
  height: 5px;
  background: rgba(255, 255, 255, 0.45);
  border-radius: 1px;
  margin-top: 5px;
  animation: scrollWheel 2.2s ease-in-out infinite;
}

.scroll-label {
  font-family: var(--font-mono);
  font-size: 0.55rem;
  letter-spacing: 0.22em;
  color: rgba(255, 255, 255, 0.15);
}

/* ── Keyframes ──────────────────────────────────────── */
@keyframes heroFadeUp {
  from {
    opacity: 0;
    transform: translateY(var(--_y, 20px));
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes heroFadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes scrollWheel {
  0%   { opacity: 1;   transform: translateY(0); }
  55%  { opacity: 0.1; transform: translateY(11px); }
  56%  { opacity: 0;   transform: translateY(0); }
  100% { opacity: 0;   transform: translateY(0); }
}

/* ── Responsive ─────────────────────────────────────── */

/* Tablet — stack vertically, photo on top */
@media (max-width: 900px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
    justify-items: center;
    gap: clamp(24px, 4vw, 40px);
  }

  .hero-text {
    align-items: center;
    order: 2;
  }

  .hero-visual {
    order: 1;
  }

  .hero-ring {
    width: clamp(148px, 36vw, 200px);
    height: clamp(148px, 36vw, 200px);
  }

  .hero-eyebrow::before,
  .hero-subtitle-wrap::before {
    display: none;
  }
}

@media (max-width: 768px) {
  .hero-name {
    font-size: clamp(2.4rem, 13vw, 4rem);
    line-height: 0.9;
  }

  .hero-meta {
    font-size: 0.62rem;
    gap: var(--sp-2);
  }

  .scroll-hint {
    bottom: max(1.5rem, env(safe-area-inset-bottom, 1.5rem));
  }

  .hero-social-link {
    padding: var(--sp-2);
    margin: calc(-1 * var(--sp-2));
  }
}

@media (max-width: 480px) {
  .hero-name {
    font-size: clamp(2rem, 14.5vw, 3rem);
  }

  .hero-ring {
    width: clamp(128px, 44vw, 168px);
    height: clamp(128px, 44vw, 168px);
  }

  .hero-socials {
    gap: var(--sp-6);
  }
}

@media (max-width: 375px) {
  .hero-content {
    padding: 0 var(--sp-4);
  }

  .hero-name {
    font-size: clamp(1.8rem, 15vw, 2.8rem);
  }

  .hero-meta {
    flex-direction: column;
    gap: var(--sp-1);
  }

  .hero-meta-sep {
    display: none;
  }

  .scroll-hint {
    display: none;
  }
}

@media (max-width: 320px) {
  .hero-name {
    font-size: clamp(1.6rem, 16vw, 2.2rem);
  }
}

/* Landscape short viewport */
@media (orientation: landscape) and (max-height: 520px) {
  .hero {
    height: auto;
    min-height: 100vh;
    padding: 3rem 0;
    align-items: center;
  }

  .hero-content {
    grid-template-columns: 1fr auto;
    text-align: left;
    justify-items: start;
  }

  .hero-text {
    align-items: flex-start;
    order: 1;
  }

  .hero-visual {
    order: 2;
  }

  .hero-ring {
    width: 140px;
    height: 140px;
  }

  .hero-eyebrow::before,
  .hero-subtitle-wrap::before {
    display: inline-block;
  }

  .scroll-hint {
    display: none;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .hero-ring,
  .hero-ring-glow,
  .scroll-mouse-wheel {
    animation: none;
  }

  .hero-name,
  .hero-eyebrow,
  .hero-title,
  .hero-subtitle-wrap,
  .hero-meta,
  .hero-socials,
  .hero-visual,
  .scroll-hint {
    opacity: 1;
    transform: none;
    animation: none;
  }
}