/* ============================================================
   GLOBAL DESIGN SYSTEM — Anush Pratap Singh Portfolio
   Graphite / Paper / Signal-Lime Identity System
   ============================================================ */

/* ── Google Fonts ── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Space+Grotesk:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* ============================================================
   1. CSS CUSTOM PROPERTIES (Design Tokens)
   ============================================================ */
:root {
  /* ── Color System ── */
  --bg-primary:        #10100F;
  --bg-secondary:      #171714;
  --bg-elevated:       #21211D;
  --bg-card:           #1C1C19;
  --bg-card-hover:     #292924;
  --bg-surface:        #151512;

  --accent:            #C4F84A;
  --accent-light:      #DCF98B;
  --accent-dark:       #8AAF20;
  --accent-deep:       #536F08;
  --accent-glow:       rgba(196, 248, 74, 0.22);
  --accent-subtle:     rgba(196, 248, 74, 0.09);

  --text-primary:      #F3F0E8;
  --text-secondary:    #C3C0B8;
  --text-muted:        #918F88;
  --text-dim:          #676660;

  --border:            rgba(243, 240, 232, 0.10);
  --border-hover:      rgba(196, 248, 74, 0.42);
  --border-active:     rgba(196, 248, 74, 0.64);

  --white:             #FFFFFF;
  --black:             #000000;

  --success:           #22C55E;
  --warning:           #F59E0B;
  --error:             #EF4444;

  /* ── Gradients ── */
  --gradient-accent:   linear-gradient(135deg, #DCF98B 0%, #C4F84A 52%, #8AAF20 100%);
  --gradient-text:     linear-gradient(135deg, #F3F0E8 10%, #DCF98B 62%, #C4F84A 100%);
  --gradient-glow:     radial-gradient(circle, rgba(196,248,74,0.12) 0%, transparent 70%);
  --gradient-card:     linear-gradient(145deg, rgba(196,248,74,0.06) 0%, transparent 50%);
  --gradient-dark:     linear-gradient(180deg, #10100F 0%, #171714 100%);

  /* ── Typography ── */
  --font-heading:      'Space Grotesk', -apple-system, sans-serif;
  --font-body:         'Inter', -apple-system, sans-serif;
  --font-mono:         'JetBrains Mono', monospace;

  --fs-display:        clamp(3rem, 8vw, 7rem);
  --fs-h1:             clamp(2.25rem, 5vw, 4rem);
  --fs-h2:             clamp(1.75rem, 3.5vw, 2.75rem);
  --fs-h3:             clamp(1.25rem, 2.5vw, 1.75rem);
  --fs-h4:             clamp(1rem, 1.5vw, 1.25rem);
  --fs-body:           1rem;
  --fs-body-lg:        1.125rem;
  --fs-small:          0.875rem;
  --fs-xs:             0.75rem;
  --fs-tag:            0.6875rem;

  --fw-light:          300;
  --fw-regular:        400;
  --fw-medium:         500;
  --fw-semibold:       600;
  --fw-bold:           700;

  --lh-tight:          1.1;
  --lh-heading:        1.2;
  --lh-body:           1.6;
  --lh-relaxed:        1.8;

  --ls-tight:          -0.02em;
  --ls-normal:         0;
  --ls-wide:           0.05em;
  --ls-wider:          0.1em;
  --ls-widest:         0.15em;

  /* ── Spacing ── */
  --space-xs:          0.25rem;
  --space-sm:          0.5rem;
  --space-md:          1rem;
  --space-lg:          1.5rem;
  --space-xl:          2rem;
  --space-2xl:         3rem;
  --space-3xl:         4rem;
  --space-4xl:         6rem;
  --space-5xl:         8rem;
  --space-section:     clamp(4rem, 10vh, 8rem);

  /* ── Layout ── */
  --container-max:     1200px;
  --container-wide:    1400px;
  --container-narrow:  800px;
  --container-padding: clamp(1.25rem, 4vw, 3rem);

  /* ── Borders & Radius ── */
  --radius-sm:         0.375rem;
  --radius-md:         0.625rem;
  --radius-lg:         1rem;
  --radius-xl:         1.5rem;
  --radius-2xl:        2rem;
  --radius-full:       9999px;

  /* ── Shadows ── */
  --shadow-sm:         0 1px 2px rgba(0,0,0,0.3);
  --shadow-md:         0 4px 12px rgba(0,0,0,0.4);
  --shadow-lg:         0 8px 30px rgba(0,0,0,0.5);
  --shadow-glow:       0 0 30px rgba(196,248,74,0.12);
  --shadow-glow-lg:    0 0 60px rgba(196,248,74,0.16);

  /* ── Transitions ── */
  --ease-out:          cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out:       cubic-bezier(0.65, 0, 0.35, 1);
  --ease-spring:       cubic-bezier(0.34, 1.56, 0.64, 1);
  --duration-fast:     150ms;
  --duration-normal:   300ms;
  --duration-slow:     500ms;
  --duration-slower:   800ms;

  /* ── Z-Index Scale ── */
  --z-base:            1;
  --z-dropdown:        100;
  --z-sticky:          200;
  --z-overlay:         300;
  --z-modal:           400;
  --z-cursor:          500;
  --z-nav:             600;
  --z-preloader:       9999;
}


/* ============================================================
   2. CSS RESET & BASE
   ============================================================ */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  color-scheme: dark;
}

body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  font-weight: var(--fw-regular);
  line-height: var(--lh-body);
  color: var(--text-primary);
  background-color: var(--bg-primary);
  background-image:
    radial-gradient(ellipse 80% 50% at 20% 20%, rgba(196,248,74,0.045) 0%, transparent 50%),
    radial-gradient(ellipse 60% 40% at 80% 60%, rgba(188,174,229,0.045) 0%, transparent 50%),
    radial-gradient(ellipse 50% 50% at 50% 90%, rgba(243,240,232,0.025) 0%, transparent 50%);
  background-attachment: fixed;
  overflow-x: hidden;
  min-height: 100vh;
  max-width: 100vw;
  transition: background-color 0.5s ease, color 0.5s ease;
}

/* ── THEME: Classic (original black / purple) ── */
[data-theme="classic"] {
  --bg-primary: #09090B;
  --bg-secondary: #131316;
  --bg-elevated: #1A1A1F;
  --bg-card: #1E1E24;
  --bg-card-hover: #27272A;
  --bg-surface: #0F0F12;
  --accent: #8B5CF6;
  --accent-light: #A78BFA;
  --accent-dark: #6D28D9;
  --accent-deep: #4C1D95;
  --accent-glow: rgba(139, 92, 246, 0.25);
  --accent-subtle: rgba(139, 92, 246, 0.08);
  --text-primary: #FAFAFA;
  --text-secondary: #A1A1AA;
  --text-muted: #71717A;
  --text-dim: #52525B;
  --border: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(139, 92, 246, 0.3);
  --border-active: rgba(139, 92, 246, 0.5);
  --gradient-accent: linear-gradient(135deg, #8B5CF6 0%, #6D28D9 50%, #4C1D95 100%);
  --gradient-text: linear-gradient(135deg, #C4B5FD, #8B5CF6, #A78BFA);
  --gradient-glow: radial-gradient(circle, rgba(139,92,246,0.12) 0%, transparent 70%);
  --gradient-card: linear-gradient(145deg, rgba(139,92,246,0.05) 0%, transparent 50%);
  --gradient-dark: linear-gradient(180deg, #09090B 0%, #131316 100%);
}

/* ── THEME: Light (original white / purple) ── */
[data-theme="light"] {
  --bg-primary: #F8F7FC;
  --bg-secondary: #EFEDF5;
  --bg-elevated: #FFFFFF;
  --bg-card: rgba(255,255,255,0.7);
  --bg-card-hover: #F3F0FF;
  --bg-surface: #F0EDF6;
  --text-primary: #1A1A2E;
  --text-secondary: #4A4A5A;
  --text-muted: #7A7A8A;
  --text-dim: #A0A0B0;
  --border: rgba(0,0,0,0.08);
  --accent: #8B5CF6;
  --accent-light: #7C3AED;
  --accent-dark: #6D28D9;
  --accent-deep: #4C1D95;
  --accent-glow: rgba(139, 92, 246, 0.18);
  --accent-subtle: rgba(139, 92, 246, 0.08);
  --border-hover: rgba(139, 92, 246, 0.34);
}
[data-theme="light"] body {
  background-image:
    radial-gradient(ellipse 80% 50% at 20% 20%, rgba(196,248,74,0.09) 0%, transparent 50%),
    radial-gradient(ellipse 60% 40% at 80% 60%, rgba(188,174,229,0.08) 0%, transparent 50%),
    radial-gradient(ellipse 50% 50% at 50% 90%, rgba(243,240,232,0.05) 0%, transparent 50%);
}
[data-theme="light"] .navbar { background: rgba(248,247,252,0.7); }
[data-theme="light"] .navbar.scrolled { background: rgba(248,247,252,0.9); }
[data-theme="light"] .grain-overlay { opacity: 0.03; }
[data-theme="light"] .card { background: rgba(255,255,255,0.6); border-color: rgba(0,0,0,0.06); }

[data-theme="classic"] body {
  background-image:
    radial-gradient(ellipse 80% 50% at 20% 20%, rgba(139,92,246,0.06) 0%, transparent 50%),
    radial-gradient(ellipse 60% 40% at 80% 60%, rgba(109,40,217,0.05) 0%, transparent 50%),
    radial-gradient(ellipse 50% 50% at 50% 90%, rgba(76,29,149,0.04) 0%, transparent 50%);
}

/* ── THEME: Purple ── */
[data-theme="purple"] {
  --bg-primary: #1A0A2E;
  --bg-secondary: #240E3A;
  --bg-elevated: #2D1248;
  --bg-card: rgba(45,18,72,0.7);
  --bg-card-hover: #3A1A5C;
  --bg-surface: #1F0C34;
}
[data-theme="purple"] body {
  background-image:
    radial-gradient(ellipse 80% 50% at 30% 10%, rgba(139,92,246,0.15) 0%, transparent 50%),
    radial-gradient(ellipse 60% 40% at 70% 70%, rgba(109,40,217,0.12) 0%, transparent 50%),
    radial-gradient(ellipse 50% 50% at 50% 90%, rgba(76,29,149,0.1) 0%, transparent 50%);
}

/* ── THEME: Midnight ── */
[data-theme="midnight"] {
  --bg-primary: #0A0E1A;
  --bg-secondary: #0F1525;
  --bg-elevated: #151D30;
  --bg-card: rgba(21,29,48,0.7);
  --bg-card-hover: #1C2640;
  --bg-surface: #0C1020;
  --accent: #6366F1;
  --accent-light: #818CF8;
  --accent-dark: #4F46E5;
  --accent-deep: #3730A3;
  --accent-glow: rgba(99,102,241,0.25);
  --accent-subtle: rgba(99,102,241,0.08);
}
[data-theme="midnight"] body {
  background-image:
    radial-gradient(ellipse 80% 50% at 20% 20%, rgba(99,102,241,0.08) 0%, transparent 50%),
    radial-gradient(ellipse 60% 40% at 80% 60%, rgba(79,70,229,0.06) 0%, transparent 50%);
}

/* Smooth scroll override for Lenis */
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto; }

html.motion-reduced { scroll-behavior: auto; }
html.motion-reduced *,
html.motion-reduced *::before,
html.motion-reduced *::after {
  animation-duration: .01ms !important;
  animation-iteration-count: 1 !important;
  scroll-behavior: auto !important;
  transition-duration: .01ms !important;
}
.lenis.lenis-smooth [data-lenis-prevent] { overscroll-behavior: contain; }

/* Selection */
::selection {
  background: var(--accent);
  color: var(--white);
}

::-moz-selection {
  background: var(--accent);
  color: var(--white);
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb {
  background: var(--accent-dark);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* Focus Styles */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* Images & Media */
img, video, svg { display: block; max-width: 100%; height: auto; }
img { object-fit: cover; }


/* ============================================================
   3. TYPOGRAPHY
   ============================================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: var(--fw-bold);
  line-height: var(--lh-heading);
  letter-spacing: var(--ls-tight);
  color: var(--text-primary);
}

h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }
h4 { font-size: var(--fs-h4); }

p {
  color: var(--text-secondary);
  line-height: var(--lh-body);
  max-width: 65ch;
}

p + p { margin-top: var(--space-md); }

a {
  color: var(--accent-light);
  text-decoration: none;
  transition: color var(--duration-normal) var(--ease-out);
}

a:hover { color: var(--accent); }

strong { font-weight: var(--fw-semibold); color: var(--text-primary); }
em { font-style: italic; }
small { font-size: var(--fs-small); color: var(--text-muted); }
code { font-family: var(--font-mono); font-size: 0.9em; }

/* Gradient Text */
.text-gradient {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Mono Label */
.text-mono {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--text-muted);
}

.text-label {
  font-family: var(--font-mono);
  font-size: var(--fs-tag);
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-widest);
  text-transform: uppercase;
  color: var(--accent);
}


/* ============================================================
   4. LAYOUT UTILITIES
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

.container--wide { max-width: var(--container-wide); }
.container--narrow { max-width: var(--container-narrow); }

.section {
  padding-block: var(--space-section);
  position: relative;
}

.section--flush { padding-block: 0; }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-center { align-items: center; justify-content: center; }
.flex-between { justify-content: space-between; align-items: center; }
.flex-wrap { flex-wrap: wrap; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }
.gap-xl { gap: var(--space-xl); }
.gap-2xl { gap: var(--space-2xl); }

.grid { display: grid; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}


/* ============================================================
   5. BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.875rem 2rem;
  font-family: var(--font-body);
  font-size: var(--fs-small);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-out);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn--primary {
  background: var(--gradient-accent);
  color: var(--white);
  box-shadow: var(--shadow-glow);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-lg);
  color: var(--white);
}

.btn--outline {
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: var(--text-primary);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn--outline:hover {
  border-color: var(--accent);
  color: var(--accent-light);
  background: rgba(196, 248, 74, 0.12);
}

.btn--ghost {
  background: transparent;
  color: var(--text-secondary);
  padding: 0.5rem 1rem;
}

.btn--ghost:hover {
  color: var(--accent-light);
}

.btn--sm {
  padding: 0.5rem 1.25rem;
  font-size: var(--fs-xs);
}

.btn--lg {
  padding: 1.125rem 2.5rem;
  font-size: var(--fs-body);
}

.btn .btn-arrow {
  transition: transform var(--duration-normal) var(--ease-out);
}

.btn:hover .btn-arrow {
  transform: translateX(4px);
}


/* ============================================================
   6. CARDS
   ============================================================ */
.card {
  background: rgba(30, 30, 36, 0.6);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: all var(--duration-normal) var(--ease-out);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-card);
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-out);
}

.card:hover {
  border-color: rgba(196, 248, 74, 0.25);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
  background: rgba(30, 30, 36, 0.75);
}

.card:hover::before { opacity: 1; }

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


/* ============================================================
   7. TAGS & BADGES
   ============================================================ */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  font-family: var(--font-mono);
  font-size: var(--fs-tag);
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--accent-light);
  background: rgba(196, 248, 74, 0.1);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(196, 248, 74, 0.15);
  border-radius: var(--radius-full);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.375rem 0.875rem;
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  color: var(--success);
  background: rgba(34, 197, 94, 0.08);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(34, 197, 94, 0.15);
  border-radius: var(--radius-full);
}

.badge::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--success);
  border-radius: 50%;
  animation: pulse-dot 2s ease infinite;
}


/* ============================================================
   8. FORM ELEMENTS
   ============================================================ */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.form-label {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--text-muted);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 0.875rem 1.25rem;
  font-family: var(--font-body);
  font-size: var(--fs-body);
  color: var(--text-primary);
  background: rgba(15, 15, 18, 0.6);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-md);
  transition: all var(--duration-normal) var(--ease-out);
  outline: none;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-dim);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}


/* ============================================================
   9. DIVIDERS & DECORATIVE
   ============================================================ */
.divider {
  width: 100%;
  height: 1px;
  background: var(--border);
  border: none;
}

.divider--accent {
  height: 2px;
  width: 60px;
  background: var(--gradient-accent);
  border-radius: var(--radius-full);
}

.glow-orb {
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: var(--gradient-glow);
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
}

/* Film Grain Overlay */
.grain-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: var(--z-overlay);
  opacity: 0.06;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  mix-blend-mode: overlay;
  animation: grain-drift 0.5s steps(6) infinite;
}

@keyframes grain-drift {
  0%, 100% { transform: translate(0, 0); }
  20% { transform: translate(-2%, 3%); }
  40% { transform: translate(3%, -2%); }
  60% { transform: translate(-1%, 2%); }
  80% { transform: translate(2%, -1%); }
}


/* ============================================================
   10. KEYFRAME ANIMATIONS
   ============================================================ */
@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

@keyframes glow-pulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 0.8; }
}

@keyframes fade-in-up {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slide-in-left {
  from { opacity: 0; transform: translateX(-40px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes slide-in-right {
  from { opacity: 0; transform: translateX(40px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes scale-in {
  from { opacity: 0; transform: scale(0.9); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes blur-in {
  from { opacity: 0; filter: blur(10px); }
  to { opacity: 1; filter: blur(0); }
}

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

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

@keyframes spin-slow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}


/* ============================================================
   11. REVEAL SYSTEM (GSAP-powered)
   ============================================================ */
/* Elements start visible — GSAP .from() handles animation.
   This is intentional: no opacity:0 on .reveal classes. 
   GSAP from() only sets the initial state when ScrollTrigger fires. */
.reveal, .reveal-left, .reveal-right, .reveal-scale,
.stagger-children > * {
  will-change: transform, opacity;
}


/* ============================================================
   12. RESPONSIVE BREAKPOINTS
   ============================================================ */
@media (max-width: 1024px) {
  :root {
    --space-section: clamp(3rem, 8vh, 6rem);
  }
}

@media (max-width: 768px) {
  :root {
    --container-padding: 1.25rem;
  }

  h1 { font-size: clamp(1.75rem, 7vw, 2.5rem); }
  h2 { font-size: clamp(1.5rem, 5vw, 2rem); }
}

@media (max-width: 480px) {
  :root {
    --container-padding: 1rem;
  }
}

/* Hide custom cursor on touch devices */
@media (pointer: coarse) {
  .custom-cursor,
  .cursor-glow,
  .cursor-label {
    display: none !important;
  }

  body { cursor: auto !important; }
}

/* ── GLOBAL SITE CONTROLS ── */
.theme-panel { position: fixed; right: 1.25rem; bottom: 1.25rem; z-index: var(--z-preloader); }
.theme-panel__toggle { width: 2.8rem; height: 2.8rem; display: grid; place-items: center; border: 1px solid var(--border); border-radius: 50%; background: color-mix(in srgb, var(--bg-elevated) 86%, transparent); color: var(--text-secondary); box-shadow: var(--shadow-md); backdrop-filter: blur(14px); cursor: pointer; transition: color var(--duration-normal) var(--ease-out), border-color var(--duration-normal) var(--ease-out), transform var(--duration-normal) var(--ease-out); }
.theme-panel__toggle:hover, .theme-panel__toggle:focus-visible { color: var(--accent); border-color: var(--border-hover); transform: rotate(12deg); }
.theme-panel__body { position: absolute; right: 0; bottom: 3.5rem; width: 12rem; padding: .9rem; border: 1px solid var(--border); border-radius: var(--radius-md); background: color-mix(in srgb, var(--bg-elevated) 94%, transparent); box-shadow: var(--shadow-lg); backdrop-filter: blur(18px); opacity: 0; visibility: hidden; transform: translateY(.5rem) scale(.98); transition: opacity var(--duration-normal) var(--ease-out), transform var(--duration-normal) var(--ease-out), visibility var(--duration-normal); }
.theme-panel.open .theme-panel__body { opacity: 1; visibility: visible; transform: translateY(0) scale(1); }
.theme-panel__title { margin-bottom: .65rem; color: var(--text-muted); font: 500 .62rem/1 var(--font-mono); letter-spacing: var(--ls-wider); text-transform: uppercase; }
.theme-panel__options { display: grid; gap: .2rem; }
.theme-panel__option { width: 100%; display: flex; align-items: center; gap: .6rem; padding: .5rem .55rem; border: 1px solid transparent; border-radius: var(--radius-sm); background: transparent; color: var(--text-secondary); font: 500 .75rem/1 var(--font-body); text-align: left; cursor: pointer; transition: background-color var(--duration-fast) ease, color var(--duration-fast) ease, border-color var(--duration-fast) ease; }
.theme-panel__option:hover, .theme-panel__option:focus-visible { border-color: var(--border); background: var(--accent-subtle); color: var(--text-primary); }
.theme-panel__option.active { border-color: var(--border-hover); background: var(--accent-subtle); color: var(--accent); }
.theme-panel__swatch { width: 1rem; height: 1rem; flex: 0 0 auto; border: 1px solid rgba(255,255,255,.16); border-radius: 50%; }
.theme-panel__motion { margin-top: .25rem; border-top-color: var(--border); }
.theme-panel__motion-mark { width: 1rem; color: var(--accent); font: 500 1rem/1 var(--font-mono); text-align: center; }
[data-theme="light"] .theme-panel__swatch { border-color: rgba(0,0,0,.16); }

@media (max-width: 600px) {
  .theme-panel { right: 1rem; bottom: 1rem; }
}

/* Shared navigation accent */
.navbar__cta--talk { display: inline-flex; align-items: center; gap: .45rem; }
.navbar__cta--talk svg { width: .85rem; height: .85rem; fill: none; stroke: currentColor; stroke-width: 1.7; transition: transform var(--duration-normal) var(--ease-out); }
.navbar__cta--talk:hover svg, .navbar__cta--talk:focus-visible svg { transform: translateX(.2rem) rotate(-8deg); }