/* ==========================================================================
   MUHAMMED HANAN — hanan.in
   Phase 1: base styles, typography, layout, glassmorphism, responsive
   ========================================================================== */

/* ---------- Tokens ---------- */
:root {
  --font-display: 'General Sans', ui-sans-serif, system-ui, sans-serif;
  --font-body: 'Inter', ui-sans-serif, system-ui, sans-serif;
  /* pure black theme — matches the globe scene for a seamless handoff */
  --bg: #000000;
  --ink: #F0F2F5;
  --muted: #8B929E;
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.12);
  --glass-blur: 16px;
  --radius-card: 20px;
  --radius-pill: 100px;
  --container-max: 1440px;
  --header-h: 88px;
}

/* ---------- Reset ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-padding-top: calc(var(--header-h) + 8px);
}

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  background-color: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img,
svg,
canvas {
  display: block;
  max-width: 100%;
}

ul {
  list-style: none;
}

a {
  color: var(--ink);
  text-decoration: none;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.08;
  color: var(--ink);
}

::selection {
  background: var(--ink);
  color: var(--bg);
}

:focus-visible {
  outline: 2px solid var(--ink);
  outline-offset: 3px;
}

/* ---------- Noise grain overlay ---------- */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 200;
  pointer-events: none;
  opacity: 0.045;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- Utilities ---------- */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: clamp(20px, 5vw, 64px);
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 400;
  padding: 10px 18px;
  background: var(--ink);
  color: var(--bg);
  border-radius: 8px;
  font-size: 0.9rem;
  transform: translateY(-300%);
  transition: transform 0.2s ease;
}

.skip-link:focus {
  transform: translateY(0);
  color: var(--bg);
}

/* ---------- Glass recipes ---------- */
.glass-card {
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(var(--glass-blur));
  backdrop-filter: blur(var(--glass-blur));
  border: 0.5px solid var(--glass-border);
  border-radius: var(--radius-card);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 30px;
  border-radius: var(--radius-pill);
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: background-color 0.25s ease, color 0.25s ease, border-color 0.25s ease, transform 0.25s ease;
}

.btn-glass {
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(var(--glass-blur));
  backdrop-filter: blur(var(--glass-blur));
  border: 0.5px solid var(--glass-border);
  color: var(--ink);
}

.btn-glass:hover,
.btn-glass:focus-visible {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--bg);
}

.btn-text {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.95rem;
  color: var(--ink);
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s ease;
}

.btn-text:hover,
.btn-text:focus-visible {
  color: var(--ink);
  border-bottom-color: var(--ink);
}

/* ---------- Loading screen (shown only once Phase 2 JS adds .js to <html>) ---------- */
.loading-screen {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 300;
  background: #000000; /* matches the globe scene it reveals */
  align-items: center;
  justify-content: center;
}

.js .loading-screen {
  display: flex;
}

.loading-ring-wrap {
  position: relative;
  width: 120px;
  height: 120px;
}

.loading-ring {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.ring-track,
.ring-fill {
  fill: none;
  stroke-width: 3;
}

.ring-track {
  stroke: rgba(255, 255, 255, 0.1);
}

.ring-fill {
  stroke: var(--ink);
  stroke-linecap: round;
  stroke-dasharray: 339.292;
  stroke-dashoffset: 0; /* full ring = 100% by default; JS animates from empty */
}

.loading-count {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--ink);
}

/* ---------- Header / nav ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  transition: background-color 0.3s ease;
}

.header-inner {
  position: relative;
  z-index: 2;
  max-width: var(--container-max);
  margin-inline: auto;
  padding: 24px clamp(20px, 5vw, 64px);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Glass state toggled by JS past 80px scroll (Phase 2) */
.site-header.scrolled {
  background: rgba(0, 0, 0, 0.72);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  border-bottom: 0.5px solid rgba(255, 255, 255, 0.08);
}

.logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: 0.02em;
  color: var(--ink);
}

.logo:hover,
.logo:focus-visible {
  color: var(--ink);
  opacity: 0.7;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(24px, 3vw, 48px);
}

.nav-list {
  display: flex;
  align-items: center;
  gap: clamp(20px, 2.5vw, 40px);
}

.nav-link {
  position: relative;
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink);
  padding: 6px 0;
  transition: opacity 0.2s ease;
}

.nav-link::before {
  content: '';
  position: absolute;
  left: -13px;
  top: 50%;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--ink);
  transform: translateY(-50%) scale(0);
  transition: transform 0.25s ease;
}

.nav-link.active::before {
  transform: translateY(-50%) scale(1);
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--ink);
  opacity: 0.6;
}

.nav-cta {
  padding: 11px 24px;
  font-size: 0.85rem;
}

.nav-toggle {
  display: none;
  position: relative;
  z-index: 2;
  width: 44px;
  height: 44px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 7px;
  background: transparent;
  border: 0;
  cursor: pointer;
}

.nav-toggle-line {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--ink);
  transition: transform 0.3s ease;
}

.nav-open .nav-toggle .nav-toggle-line:nth-child(1) {
  transform: translateY(4.5px) rotate(45deg);
}

.nav-open .nav-toggle .nav-toggle-line:nth-child(2) {
  transform: translateY(-4.5px) rotate(-45deg);
}

/* ---------- Decorative hands layer (behind everything; choreography in Phase 2) ---------- */
.hands-layer {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: visible;
}

.hand {
  position: absolute;
  top: 50%;
  width: clamp(220px, 26vw, 400px);
  color: var(--ink);
  opacity: 0.1;
  filter: blur(5px);
}

.hand-left {
  left: 57%;
  transform: translateY(-50%);
}

.hand-right {
  right: 57%;
  transform: translateY(-50%) scaleX(-1);
  opacity: 0; /* revealed at Contact by Phase 2 animation */
}

/* 3D hand mode (hand-scene.js adds .hand3d once assets/hand.glb loads) */
.hand3d .hand {
  display: none;
}

.hands-layer canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

main {
  position: relative;
  z-index: 1;
}

/* ---------- Sections: shared ---------- */
.section {
  padding: clamp(96px, 13vh, 160px) 0;
}

.section-label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  margin-bottom: 18px;
}

.section-heading {
  font-size: clamp(1.9rem, 3.6vw, 2.9rem);
  margin-bottom: clamp(36px, 5vh, 56px);
  max-width: 22ch;
}

/* ---------- Section 0: globe (pure black scene, full viewport) ---------- */
.globe-section {
  position: relative;
  height: 100vh;
  height: 100svh;
  overflow: hidden;
  background: #000000;
}

/* soft atmosphere glow behind the sphere */
.globe-section::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  background: radial-gradient(circle at 50% 46%, rgba(255, 255, 255, 0.09), transparent 55%);
}

/* vignette for depth */
.globe-section::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background: radial-gradient(ellipse at center, transparent 52%, rgba(0, 0, 0, 0.55) 100%);
}

.globe-canvas {
  position: absolute;
  inset: 0;
  z-index: 1;
}

/* fly-through fade into the light page (driven by globe.js) */
.globe-fade {
  position: absolute;
  inset: 0;
  z-index: 3;
  background: var(--bg);
  opacity: 0;
  pointer-events: none;
}

/* ---------- Section 1: hero ---------- */
.hero {
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: calc(var(--header-h) + 24px) 0 64px;
  /* rides up over the pinned globe: the fly-through lands straight in the hero */
  position: relative;
  z-index: 2;
  margin-top: -100vh;
  margin-top: -100svh;
}

.hero-dots {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-grid {
  position: relative;
  z-index: 1;
  width: 100%;
}

/* centered, no panel — type owns the screen */
.hero-copy {
  max-width: 1060px;
  margin-inline: auto;
  text-align: center;
}

.tag-line {
  font-size: 0.78rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--muted);
  margin-bottom: 28px;
}

.hero-headline {
  font-size: clamp(3rem, 6.8vw, 5.8rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.04;
  margin-bottom: 10px;
}

/* big muted second line, ANAS-style two-tone */
.hero-sub {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.6rem, 3.4vw, 2.9rem);
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--muted);
  max-width: 26ch;
  margin-inline: auto;
  margin-bottom: 44px;
}

.hero-ctas {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 30px;
}

.trust-line {
  font-size: 0.85rem;
  color: var(--muted);
}

/* ---------- Section 2: work ---------- */
.project-card {
  padding: clamp(32px, 5vw, 64px);
}

.project-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  margin-bottom: 14px;
}

.project-name {
  font-size: clamp(1.4rem, 2.2vw, 1.9rem);
  margin-bottom: 18px;
}

.project-desc {
  color: var(--muted);
  max-width: 65ch;
  margin-bottom: 28px;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 32px;
}

.tag-pill {
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(var(--glass-blur));
  backdrop-filter: blur(var(--glass-blur));
  border: 0.5px solid var(--glass-border);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  color: var(--ink);
}

.project-link {
  margin-bottom: 28px;
}

.project-result {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--ink);
}

.work-note {
  margin-top: 28px;
  color: var(--muted);
  font-size: 0.95rem;
}

/* ---------- Section 3: services ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(18px, 2vw, 28px);
}

.service-card {
  padding: clamp(30px, 3.5vw, 44px);
}

.accent-line {
  display: block;
  width: 34px;
  height: 3px;
  background: var(--ink);
  margin-bottom: 26px;
}

.service-title {
  font-size: 1.15rem;
  margin-bottom: 14px;
}

.service-desc {
  color: var(--muted);
  font-size: 0.98rem;
  max-width: 48ch;
}

/* ---------- Section 4: about ---------- */
.about-body p {
  max-width: 65ch;
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 1.25em;
}

.about-tagline {
  font-size: 1.15rem;
  max-width: 34ch;
  margin: 40px 0 28px;
}

.about-cta {
  font-size: 1.05rem;
}

/* ---------- Section 5: testimonial ---------- */
.quote-card {
  max-width: 840px;
  margin-inline: auto;
  padding: clamp(40px, 6vw, 72px);
  text-align: center;
}

.quote-card::before {
  content: '\201C';
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(4.5rem, 9vw, 7rem);
  line-height: 0.7;
  color: rgba(255, 255, 255, 0.14);
  margin-bottom: 18px;
}

.quote-text p {
  font-size: clamp(1.2rem, 2.2vw, 1.6rem);
  line-height: 1.5;
  color: var(--ink);
}

.quote-attr {
  margin-top: 28px;
  font-size: 0.9rem;
  color: var(--muted);
}

/* ---------- Section 6: contact ---------- */
.contact-sub {
  color: var(--muted);
  margin-top: -24px;
  margin-bottom: clamp(36px, 5vh, 56px);
  font-size: 1.05rem;
}

/* stage where the hands flank the connect button */
.contact-stage {
  position: relative;
  min-height: clamp(320px, 52vh, 480px);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: clamp(48px, 7vh, 88px);
}

.connect-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: clamp(132px, 15vw, 172px);
  height: clamp(132px, 15vw, 172px);
  border-radius: 50%;
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(var(--glass-blur));
  backdrop-filter: blur(var(--glass-blur));
  border: 0.5px solid var(--glass-border);
  color: var(--ink);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: 0.01em;
  transition: background-color 0.3s ease, color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
}

.connect-btn::before {
  content: '';
  position: absolute;
  inset: -14px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.12);
  transition: inset 0.35s ease, border-color 0.35s ease;
}

.connect-btn:hover,
.connect-btn:focus-visible {
  background: var(--ink);
  color: var(--bg);
  transform: scale(1.06);
  box-shadow: 0 0 60px rgba(240, 242, 245, 0.12);
}

.connect-btn:hover::before,
.connect-btn:focus-visible::before {
  inset: -22px;
  border-color: rgba(255, 255, 255, 0.28);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(32px, 4vw, 64px);
  align-items: start;
}

.contact-options {
  display: grid;
  gap: 16px;
}

.contact-card {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 22px 28px;
  transition: background-color 0.25s ease, transform 0.25s ease;
}

.contact-card:hover,
.contact-card:focus-visible {
  background: rgba(255, 255, 255, 0.12);
  color: var(--ink);
  transform: translateY(-2px);
}

.contact-icon {
  width: 26px;
  height: 26px;
  flex-shrink: 0;
  color: var(--ink);
}

.contact-meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.contact-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.contact-value {
  font-weight: 600;
  font-size: 0.98rem;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.contact-message p {
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.7;
  max-width: 42ch;
}

/* ---------- Footer ---------- */
.site-footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 44px 0;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
}

.footer-copy {
  font-size: 0.85rem;
  color: var(--muted);
}

.footer-logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--ink);
  text-align: center;
}

.footer-social {
  display: flex;
  justify-content: flex-end;
  gap: 18px;
}

.footer-social-link {
  display: inline-flex;
  color: var(--muted);
  transition: color 0.2s ease;
}

.footer-social-link svg {
  width: 22px;
  height: 22px;
}

.footer-social-link:hover,
.footer-social-link:focus-visible {
  color: var(--ink);
}

/* ---------- Custom cursor (element injected in Phase 2; styles ready) ---------- */
.cursor-dot {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 500;
  width: 14px;
  height: 14px;
  border: 1.5px solid var(--ink);
  border-radius: 50%;
  background: transparent;
  pointer-events: none;
  transform: translate(-50%, -50%);
}

.cursor-dot.is-hovering {
  width: 40px;
  height: 40px;
  background: rgba(240, 242, 245, 0.1);
}

/* ---------- Responsive: tablet (768–1199) ---------- */
@media (max-width: 1199px) {
  .hand-left {
    left: 62%;
  }
}

@media (max-width: 900px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

/* ---------- Responsive: mobile (<768) ---------- */
@media (max-width: 767px) {
  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: fixed;
    inset: 0;
    z-index: 1;
    flex-direction: column;
    justify-content: center;
    gap: 36px;
    background: rgba(0, 0, 0, 0.92);
    -webkit-backdrop-filter: blur(24px);
    backdrop-filter: blur(24px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.3s ease, visibility 0.3s ease;
  }

  .nav-open .site-nav {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .nav-list {
    flex-direction: column;
    gap: 30px;
  }

  .nav-link {
    font-size: 1.15rem;
    padding: 12px 24px; /* ≥44px touch target in the fullscreen menu */
  }

  .nav-link::before {
    left: 4px;
  }

  /* comfortable tap area for text CTAs on touch */
  .btn-text {
    padding: 8px 4px;
  }

  .section {
    padding: 88px 0;
  }

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

  .hero {
    padding-top: calc(var(--header-h) + 8px);
  }

  .hero-ctas {
    gap: 18px;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
    gap: 18px;
  }

  .footer-social {
    justify-content: center;
  }

  .hand {
    width: clamp(180px, 44vw, 260px);
  }

  .hand-left {
    left: 55%;
  }
}

/* ==========================================================================
   Phase 2 — interaction support styles
   ========================================================================== */

/* Headline character splitting (spans injected by main.js) */
.hero-headline .word {
  display: inline-block;
  white-space: nowrap;
}

.hero-headline .char {
  display: inline-block;
  will-change: transform, opacity;
}

/* Custom cursor replaces the native one on precise pointers only */
@media (pointer: fine) {
  .js.cursor-active body,
  .js.cursor-active a,
  .js.cursor-active button {
    cursor: none;
  }
}

.cursor-dot {
  width: 14px;
  height: 14px;
  transition: width 0.25s ease, height 0.25s ease, background-color 0.25s ease, opacity 0.25s ease;
  will-change: transform;
  opacity: 0;
}

.cursor-dot.is-visible {
  opacity: 1;
}

/* Touch tap ripple */
.tap-ripple {
  position: fixed;
  z-index: 500;
  width: 44px;
  height: 44px;
  margin: -22px 0 0 -22px;
  border: 1.5px solid var(--ink);
  border-radius: 50%;
  pointer-events: none;
  animation: tap-ripple 0.55s ease-out forwards;
}

@keyframes tap-ripple {
  from {
    transform: scale(0.25);
    opacity: 0.5;
  }
  to {
    transform: scale(1.4);
    opacity: 0;
  }
}

/* Globe interaction affordance */
.globe-section {
  cursor: grab;
}

.globe-section:active {
  cursor: grabbing;
}

/* Loading screen fade handled by GSAP; keep it above everything while active */
.loading-screen.is-done {
  display: none;
}

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

  html {
    scroll-behavior: auto;
  }
}