/* =============================================================
   RIMA TAHA — ANIMATIONS
   animations.css | Version 1.0.0
   ============================================================= */

/* ── 1. Scroll Reveal ─────────────────────────────────────── */
[data-reveal] {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-reveal].revealed {
  opacity: 1;
  transform: translateY(0);
}

[data-reveal="fade"] {
  transform: none;
}

[data-reveal="slide-left"] {
  transform: translateX(-40px);
}

[data-reveal="slide-left"].revealed {
  transform: translateX(0);
}

[data-reveal="slide-right"] {
  transform: translateX(40px);
}

[data-reveal="slide-right"].revealed {
  transform: translateX(0);
}

/* Stagger delays for card grids */
[data-reveal][data-delay="1"] { transition-delay: 0.1s; }
[data-reveal][data-delay="2"] { transition-delay: 0.2s; }
[data-reveal][data-delay="3"] { transition-delay: 0.3s; }
[data-reveal][data-delay="4"] { transition-delay: 0.4s; }
[data-reveal][data-delay="5"] { transition-delay: 0.5s; }

/* ── 2. Hero Text Sequence ────────────────────────────────── */
@keyframes heroFadeSlideUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-philosophical {
  animation: heroFadeSlideUp 1s cubic-bezier(0.4, 0, 0.2, 1) 0.3s both;
}

.hero-headline {
  animation: heroFadeSlideUp 1s cubic-bezier(0.4, 0, 0.2, 1) 0.6s both;
}

.hero-sub {
  animation: heroFadeSlideUp 1s cubic-bezier(0.4, 0, 0.2, 1) 0.9s both;
}

.hero-ctas {
  animation: heroFadeSlideUp 1s cubic-bezier(0.4, 0, 0.2, 1) 1.1s both;
}

/* ── 3. Constellation Canvas ──────────────────────────────── */
#particle-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 2; /* above .hero-bg-overlay (z-index: 1) */
}

/* ── 4. Parallax Portrait ─────────────────────────────────── */
.hero-portrait-wrap {
  will-change: transform;
  transition: transform 0.05s linear;
}

/* ── 5A. Hero Headline — Animated Gold–Cream Gradient Text ── */
.hero-headline--gradient {
  /* Gradient sweeps gold → cream → gold */
  background: linear-gradient(
    120deg,
    var(--cream)              0%,
    rgba(247,242,234,0.92)   22%,
    var(--gold)              42%,
    rgba(247,242,234,0.96)   58%,
    var(--cream)             78%,
    rgba(212,168,87,0.8)    100%
  );
  background-size: 220% 100%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: heroGradientFlow 7s ease-in-out infinite;
}

@keyframes heroGradientFlow {
  0%   { background-position: 0%   50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0%   50%; }
}

/* Fallback for browsers that don't support background-clip: text */
@supports not (-webkit-background-clip: text) {
  .hero-headline--gradient {
    background: none;
    -webkit-text-fill-color: var(--cream);
    color: var(--cream);
  }
}

/* ── 5B. Glow CTA Button ──────────────────────────────────── */
.btn-glow {
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

/* Radial glow that follows the mouse */
.btn-glow::before {
  content: '';
  position: absolute;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  top:  var(--glow-y, 50%);
  left: var(--glow-x, 50%);
  transform: translate(-50%, -50%);
  background: radial-gradient(
    circle,
    rgba(212, 168, 87, 0.45) 0%,
    rgba(212, 168, 87, 0.15) 40%,
    transparent 70%
  );
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: 0;
}

.btn-glow:hover::before {
  opacity: 1;
}

.btn-glow > * {
  position: relative;
  z-index: 1;
}

/* ── 5C. Portrait Frame Animations ───────────────────────── */
@keyframes portraitLineShimmer {
  0%   { background-position: 0% 0%;   opacity: 0.5; }
  50%  { background-position: 0% 100%; opacity: 0.92; }
  100% { background-position: 0% 0%;   opacity: 0.5; }
}

@keyframes cornerFadeIn {
  from { opacity: 0; transform: scale(0.7); }
  to   { opacity: 0.55; transform: scale(1); }
}

@keyframes cornerPulse {
  0%, 100% { opacity: 0.3; }
  50%       { opacity: 0.65; }
}

/* ── 5D. Hero Background Image Fade-in ───────────────────── */
.hero-bg-image {
  /* JS adds .loaded class once image is decoded */
  transition: opacity 1.0s ease;
}

/* ── 5. Glassmorphism Credential Strip ────────────────────── */
.credential-strip {
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
  padding: 20px 32px;
}

/* ── 6. Magnetic Button ───────────────────────────────────── */
.btn-magnetic {
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
              box-shadow var(--anim-medium),
              background-color var(--anim-fast);
  will-change: transform;
}

/* ── 7. Nav Link Gradient Underline ───────────────────────── */
.nav-link {
  position: relative;
  text-decoration: none;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--teal), var(--sage), var(--gold));
  transition: width 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-link:hover::after,
.nav-link[aria-current="page"]::after {
  width: 100%;
}

/* ── 9. Page Transition ───────────────────────────────────── */
.page-transition-overlay {
  position: fixed;
  inset: 0;
  background: var(--deep-teal);
  z-index: var(--z-modal);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.page-transition-overlay.active {
  opacity: 1;
}

/* ── 10. Counter ──────────────────────────────────────────── */
.counter-value {
  display: inline-block;
  font-variant-numeric: tabular-nums;
}

/* Logo float animation driven by JS requestAnimationFrame — see animations.js */

/* Marquee scroll driven by JS requestAnimationFrame — see animations.js */

/* ── Domain Card Hover ────────────────────────────────────── */
.domain-card {
  transition: transform var(--anim-medium), box-shadow var(--anim-medium);
}

.domain-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

/* ── Desktop Nav: underline overrides ────────────────────── */
@media (min-width: 1024px) {
  /* hover and active: inherit the teal→sage→gold gradient from base */
  .nav-desktop-links .nav-link[aria-current="page"]::after {
    width: 100%;
  }
  /* Collaborate pill: no underline */
  .nav-desktop-links .nav-cta::after {
    display: none;
  }
}

/* ── Nav Menu Overlay ─────────────────────────────────────── */
.nav-overlay {
  position: fixed;
  inset: 0;
  background: var(--deep-teal);
  z-index: calc(var(--z-nav) + 10);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-overlay.open {
  opacity: 1;
  pointer-events: all;
}

.nav-overlay-links a {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 400;
  color: var(--cream);
  text-decoration: none;
  line-height: 1.3;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.4s ease, transform 0.4s ease, color var(--anim-fast);
}

.nav-overlay.open .nav-overlay-links a {
  opacity: 1;
  transform: translateY(0);
}

.nav-overlay-links a:nth-child(1) { transition-delay: 0.05s; }
.nav-overlay-links a:nth-child(2) { transition-delay: 0.10s; }
.nav-overlay-links a:nth-child(3) { transition-delay: 0.15s; }
.nav-overlay-links a:nth-child(4) { transition-delay: 0.20s; }
.nav-overlay-links a:nth-child(5) { transition-delay: 0.25s; }
.nav-overlay-links a:nth-child(6) { transition-delay: 0.30s; }
.nav-overlay-links a:nth-child(7) { transition-delay: 0.35s; }
.nav-overlay-links a:nth-child(8) { transition-delay: 0.40s; }

.nav-overlay-links a:hover {
  color: var(--gold);
}

/* 480–768px: 28px nav links, ≥44px tap target */
@media (max-width: 768px) {
  .nav-overlay-links a {
    font-size: 28px;
    padding: 8px 16px;
  }
}

/* below 480px (Pixel 4 = 412px, iPhone SE = 375px): 24px, ≥44px tap target */
@media (max-width: 479px) {
  .nav-overlay-links a {
    font-size: 24px;
    padding: 10px 16px;
  }
}

/* ── Work Tile Hover ──────────────────────────────────────── */
.work-tile {
  transition: transform var(--anim-medium), box-shadow var(--anim-medium);
}

.work-tile:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

/* ── Reduced Motion ───────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
  }

  .marquee-scroll,
  .marquee-track {
    animation: none;
  }

  .logo-card,
  .logo-img {
    animation: none;
  }
}