/* =============================================
   IKEATLAS — style.css
   Premium dark platform, gold accent
   ============================================= */

/* --- DESIGN TOKENS --- */
:root {
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 5rem);
  --text-hero: clamp(3.5rem, 1rem + 7vw, 7.5rem);

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;

  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Satoshi', 'Inter', sans-serif;
}

/* --- DARK THEME (default) --- */
:root, [data-theme="dark"] {
  --color-bg: #0a0c12;
  --color-surface: #0f1118;
  --color-surface-2: #141720;
  --color-surface-offset: #1a1e2a;
  --color-surface-dynamic: #232840;
  --color-divider: #1e2233;
  --color-border: #2a2f45;

  --color-text: #e8e9f0;
  --color-text-muted: #8a8fa8;
  --color-text-faint: #4a4f68;
  --color-text-inverse: #0a0c12;

  --color-primary: #c9a84c;
  --color-primary-hover: #e0c06a;
  --color-primary-active: #f5d98a;
  --color-primary-highlight: rgba(201, 168, 76, 0.12);

  --color-gold: #c9a84c;
  --color-gold-bright: #f0c84a;

  --color-accent-green: #4ade80;
  --color-accent-blue: #60a5fa;
  --color-accent-purple: #a78bfa;
  --color-accent-orange: #fb923c;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.4);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.5);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.6);
  --shadow-gold: 0 0 30px rgba(201, 168, 76, 0.15);
}

/* --- LIGHT THEME --- */
[data-theme="light"] {
  --color-bg: #f5f4ef;
  --color-surface: #faf9f5;
  --color-surface-2: #ffffff;
  --color-surface-offset: #eeece6;
  --color-surface-dynamic: #e4e2db;
  --color-divider: #dedad2;
  --color-border: #d0cec6;

  --color-text: #1a1a24;
  --color-text-muted: #6b6a78;
  --color-text-faint: #b0afc0;
  --color-text-inverse: #f5f4ef;

  --color-primary: #9a7120;
  --color-primary-hover: #7a5810;
  --color-primary-active: #5a3f08;
  --color-primary-highlight: rgba(154, 113, 32, 0.1);

  --color-gold: #9a7120;
  --color-gold-bright: #b8890e;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.1);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.14);
  --shadow-gold: 0 0 30px rgba(154, 113, 32, 0.1);
}

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

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: var(--space-20);
}

body {
  min-height: 100dvh;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.6;
  overflow-x: hidden;
}

img, picture, video, canvas, svg { display: block; max-width: 100%; height: auto; }
ul[role="list"], ol[role="list"] { list-style: none; }
input, button, textarea, select { font: inherit; color: inherit; }
h1, h2, h3, h4, h5, h6 { text-wrap: balance; line-height: 1.1; }
p, li { text-wrap: pretty; max-width: 72ch; }
button { cursor: pointer; background: none; border: none; }

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

a, button, [role="button"], input, textarea, select {
  transition: color var(--transition-interactive), background var(--transition-interactive), border-color var(--transition-interactive), box-shadow var(--transition-interactive), opacity var(--transition-interactive);
}

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

/* =============================================
   NAVIGATION
   ============================================= */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  transition: background 0.3s ease, box-shadow 0.3s ease;
}

.nav.scrolled {
  background: color-mix(in srgb, var(--color-bg) 90%, transparent);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--color-divider);
}

.nav-inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: var(--space-5) var(--space-8);
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  letter-spacing: 0.02em;
}

.nav-logo:hover { color: var(--color-primary); }
.nav-logo svg { flex-shrink: 0; color: var(--color-text-muted); transition: color var(--transition-interactive); }
.nav-logo:hover svg { color: var(--color-primary); }

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  margin-left: auto;
}

.nav-links a {
  text-decoration: none;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

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

.nav-links .nav-cta {
  padding: var(--space-2) var(--space-5);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-full);
  color: var(--color-primary);
  font-size: var(--text-sm);
}

.nav-links .nav-cta:hover {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}

.nav-theme-toggle {
  margin-left: var(--space-4);
  color: var(--color-text-muted);
  padding: var(--space-2);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}
.nav-theme-toggle:hover { color: var(--color-primary); }

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

.hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.55;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: var(--space-32) var(--space-8) var(--space-16);
  max-width: 820px;
  margin: 0 auto;
}

.hero-eyebrow {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-6);
  padding: var(--space-2) var(--space-5);
  border: 1px solid color-mix(in srgb, var(--color-primary) 40%, transparent);
  border-radius: var(--radius-full);
}

.hero-heading {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 300;
  color: var(--color-text);
  letter-spacing: -0.02em;
  line-height: 1.0;
  margin-bottom: var(--space-8);
}

.hero-heading em {
  font-style: italic;
  color: var(--color-primary);
}

.hero-sub {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  line-height: 1.65;
  max-width: 58ch;
  margin: 0 auto var(--space-10);
  font-weight: 300;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.hero-scroll-hint {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text-faint);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(6px); }
}

/* =============================================
   BUTTONS
   ============================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-8);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  border: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  box-shadow: var(--shadow-gold);
}

.btn-primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(201, 168, 76, 0.3);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}

.btn-ghost:hover {
  color: var(--color-text);
  border-color: var(--color-text-muted);
}

.btn-full { width: 100%; justify-content: center; }

/* =============================================
   BAND
   ============================================= */
.band {
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
  background: var(--color-surface);
  padding: var(--space-6) var(--space-8);
}

.band-inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  flex-wrap: wrap;
}

.band-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.04em;
}

.band-item svg { color: var(--color-primary); opacity: 0.8; flex-shrink: 0; }

.band-divider {
  width: 1px;
  height: 20px;
  background: var(--color-divider);
}

/* =============================================
   SECTION COMMONS
   ============================================= */
.section-inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: clamp(var(--space-16), 8vw, var(--space-32)) var(--space-8);
}

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto var(--space-16);
}

.section-eyebrow {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  color: var(--color-text);
  margin-bottom: var(--space-5);
  letter-spacing: -0.01em;
}

.section-desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.7;
  font-weight: 300;
}

/* =============================================
   APPS GRID
   ============================================= */
.apps-section {
  background: var(--color-bg);
}

.apps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 420px), 1fr));
  gap: var(--space-6);
}

.app-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive), transform var(--transition-interactive);
}

.app-card:hover {
  border-color: color-mix(in srgb, var(--color-primary) 50%, transparent);
  box-shadow: var(--shadow-lg), 0 0 40px color-mix(in srgb, var(--color-primary) 8%, transparent);
  transform: translateY(-2px);
}

.app-card--soon {
  opacity: 0.75;
}

.app-card--soon:hover {
  opacity: 0.9;
  border-color: var(--color-border);
  box-shadow: var(--shadow-md);
  transform: none;
}

.app-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}

.app-card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  background: color-mix(in srgb, var(--icon-color) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--icon-color) 25%, transparent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--icon-color);
  flex-shrink: 0;
}

.app-card-status {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
}

.app-card-status--live {
  background: rgba(74, 222, 128, 0.12);
  color: #4ade80;
  border: 1px solid rgba(74, 222, 128, 0.2);
}

.app-card-status--soon {
  background: rgba(138, 143, 168, 0.1);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}

.app-card-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

.app-card-desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.65;
  font-weight: 300;
  flex: 1;
}

.app-card-stats {
  display: flex;
  gap: var(--space-6);
  padding: var(--space-5) 0;
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
}

.app-stat { display: flex; flex-direction: column; gap: 2px; }
.app-stat-val { font-size: var(--text-base); font-weight: 700; color: var(--color-text); font-family: var(--font-body); }
.app-stat-label { font-size: var(--text-xs); color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 0.06em; }

.app-card-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-primary);
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-top: auto;
}

.app-card-link:hover { color: var(--color-primary-hover); gap: var(--space-3); }

.app-card-notify {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text-faint);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-top: auto;
  cursor: default;
}

/* =============================================
   ABOUT
   ============================================= */
.about-section {
  background: var(--color-surface);
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
}

.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-20);
  align-items: center;
}

.about-text {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.about-text p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.75;
  font-weight: 300;
}

.about-text p em {
  color: var(--color-primary);
  font-style: italic;
}

.about-visual {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  max-width: 420px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-globe-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid color-mix(in srgb, var(--color-primary) 20%, transparent);
  animation: pulse-ring 3s ease-in-out infinite;
}

.ring-1 { width: 85%; height: 85%; animation-delay: 0s; }
.ring-2 { width: 65%; height: 65%; animation-delay: 0.5s; border-color: color-mix(in srgb, var(--color-primary) 30%, transparent); }
.ring-3 { width: 45%; height: 45%; animation-delay: 1s; border-color: color-mix(in srgb, var(--color-primary) 45%, transparent); }

@keyframes pulse-ring {
  0%, 100% { opacity: 0.4; transform: scale(1); }
  50% { opacity: 0.8; transform: scale(1.02); }
}

.about-center-dot {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-primary);
  box-shadow: 0 0 20px var(--color-primary), 0 0 40px color-mix(in srgb, var(--color-primary) 40%, transparent);
  z-index: 2;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 10px var(--color-primary), 0 0 20px color-mix(in srgb, var(--color-primary) 40%, transparent); }
  50% { box-shadow: 0 0 20px var(--color-primary), 0 0 40px color-mix(in srgb, var(--color-primary) 50%, transparent); }
}

.about-meridian {
  position: absolute;
  border: 1px dashed color-mix(in srgb, var(--color-primary) 15%, transparent);
}

.meridian-1 { width: 85%; height: 1px; top: 50%; }
.meridian-2 { width: 1px; height: 85%; left: 50%; }
.meridian-3 { width: 60%; height: 60%; border-radius: 50%; border-left: none; border-right: none; transform: rotate(45deg); }

/* =============================================
   CONTACT
   ============================================= */
.contact-section { background: var(--color-bg); }

.contact-inner {
  max-width: 640px !important;
  text-align: center;
}

.contact-inner .section-title { margin-bottom: var(--space-4); }
.contact-inner .section-desc { margin-bottom: var(--space-10); }

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  text-align: left;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-group label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  letter-spacing: 0.02em;
}

.form-group input,
.form-group select {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  color: var(--color-text);
  width: 100%;
}

.form-group input::placeholder { color: var(--color-text-faint); }

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-highlight);
}

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238a8fa8' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: var(--space-10);
  cursor: pointer;
}

.form-note {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  text-align: center;
  margin-top: var(--space-2);
}

/* =============================================
   FOOTER
   ============================================= */
.footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-divider);
  padding: var(--space-10) var(--space-8);
}

.footer-inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: var(--space-8);
  flex-wrap: wrap;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text-muted);
}

.footer-links {
  display: flex;
  gap: var(--space-6);
  flex-wrap: wrap;
}

.footer-links a {
  text-decoration: none;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

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

.footer-copy {
  margin-left: auto;
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .about-inner { grid-template-columns: 1fr; }
  .about-visual { max-width: 280px; aspect-ratio: 1; }
  .form-row { grid-template-columns: 1fr; }
  .band-divider { display: none; }
  .footer-inner { flex-direction: column; align-items: flex-start; gap: var(--space-5); }
  .footer-copy { margin-left: 0; }
  .apps-grid { grid-template-columns: 1fr; }
  .hero-content { padding-top: var(--space-24); }
}

@media (max-width: 480px) {
  .nav-inner { padding: var(--space-4) var(--space-5); }
  .section-inner { padding-left: var(--space-5); padding-right: var(--space-5); }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { justify-content: center; }
}