/* ═══════════════════════════════════════════════════════════════
   BASE.CSS — Design System, Variables, Reset, Typography
═══════════════════════════════════════════════════════════════ */

/* ── Design Tokens ── */
:root {
  /* Colors */
  --bg:           #050505;
  --bg-2:         #0a0a0f;
  --bg-3:         #0f0f1a;
  --surface:      rgba(255,255,255,0.03);
  --surface-2:    rgba(255,255,255,0.06);
  --border:       rgba(255,255,255,0.08);
  --border-2:     rgba(255,255,255,0.12);

  /* Accents */
  --cyan:         #00D4FF;
  --cyan-dim:     rgba(0,212,255,0.15);
  --cyan-glow:    rgba(0,212,255,0.4);
  --purple:       #7B2FFF;
  --purple-dim:   rgba(123,47,255,0.15);
  --purple-glow:  rgba(123,47,255,0.4);
  --mint:         #00FFB3;
  --mint-dim:     rgba(0,255,179,0.12);
  --red-accent:   #FF6B6B;
  --gold:         #FFB800;

  /* Text */
  --text-primary:   #F0F0F5;
  --text-secondary: rgba(240,240,245,0.6);
  --text-muted:     rgba(240,240,245,0.35);

  /* Gradients */
  --grad-primary:   linear-gradient(135deg, #00D4FF 0%, #7B2FFF 100%);
  --grad-secondary: linear-gradient(135deg, #7B2FFF 0%, #00FFB3 100%);
  --grad-warm:      linear-gradient(135deg, #FF6B6B 0%, #FFB800 100%);
  --grad-text:      linear-gradient(135deg, #00D4FF 0%, #7B2FFF 50%, #00FFB3 100%);

  /* Typography */
  --font-display: 'Syne', sans-serif;
  --font-body:    'Outfit', sans-serif;
  --font-mono:    'Space Mono', monospace;

  /* Spacing */
  --space-xs:  0.5rem;
  --space-sm:  1rem;
  --space-md:  1.5rem;
  --space-lg:  2.5rem;
  --space-xl:  4rem;
  --space-2xl: 6rem;
  --space-3xl: 8rem;

  /* Radius */
  --radius-sm:  8px;
  --radius-md:  16px;
  --radius-lg:  24px;
  --radius-xl:  32px;
  --radius-full: 9999px;

  /* Transitions */
  --ease-out:    cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.87, 0, 0.13, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --dur-fast:    0.2s;
  --dur-med:     0.4s;
  --dur-slow:    0.8s;

  /* Shadows */
  --shadow-sm:  0 2px 8px rgba(0,0,0,0.4);
  --shadow-md:  0 8px 32px rgba(0,0,0,0.5);
  --shadow-lg:  0 24px 64px rgba(0,0,0,0.6);
  --shadow-cyan: 0 0 40px rgba(0,212,255,0.2);
  --shadow-purple: 0 0 40px rgba(123,47,255,0.2);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  background-color: var(--bg);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  overflow-x: hidden;
  cursor: none;
}

/* ── Custom Cursor ── */
.cursor-dot {
  position: fixed;
  width: 6px;
  height: 6px;
  background: var(--cyan);
  border-radius: 50%;
  pointer-events: none;
  z-index: 10000;
  transform: translate(-50%, -50%);
  transition: transform 0.1s var(--ease-out), opacity 0.3s;
  mix-blend-mode: screen;
}

.cursor-ring {
  position: fixed;
  width: 36px;
  height: 36px;
  border: 1.5px solid rgba(0,212,255,0.5);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: transform 0.15s var(--ease-out), width 0.3s var(--ease-spring), height 0.3s var(--ease-spring), border-color 0.3s, opacity 0.3s;
}

.cursor-ring.hovering {
  width: 56px;
  height: 56px;
  border-color: var(--cyan);
  background: rgba(0,212,255,0.05);
}

.cursor-ring.clicking {
  width: 24px;
  height: 24px;
  background: rgba(0,212,255,0.15);
}

/* ── Grain Overlay ── */
.grain-overlay {
  position: fixed;
  inset: -50%;
  width: 200%;
  height: 200%;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='1'/%3E%3C/svg%3E");
  opacity: 0.025;
  pointer-events: none;
  z-index: 9998;
  animation: grainShift 0.5s steps(2) infinite;
}

@keyframes grainShift {
  0%   { transform: translate(0, 0); }
  25%  { transform: translate(-2%, -3%); }
  50%  { transform: translate(3%, 1%); }
  75%  { transform: translate(-1%, 4%); }
  100% { transform: translate(2%, -2%); }
}

/* ── Mouse Orb ── */
.mouse-orb {
  position: fixed;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,212,255,0.06) 0%, rgba(123,47,255,0.04) 40%, transparent 70%);
  pointer-events: none;
  z-index: 1;
  transform: translate(-50%, -50%);
  transition: transform 0.8s var(--ease-out);
  filter: blur(40px);
}

/* ── Background Blobs ── */
.bg-blobs {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.12;
  animation: blobFloat 20s ease-in-out infinite;
}

.blob-1 {
  width: 600px;
  height: 600px;
  background: var(--cyan);
  top: -200px;
  left: -200px;
  animation-delay: 0s;
}

.blob-2 {
  width: 500px;
  height: 500px;
  background: var(--purple);
  bottom: -150px;
  right: -150px;
  animation-delay: -7s;
}

.blob-3 {
  width: 400px;
  height: 400px;
  background: var(--mint);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation-delay: -14s;
  opacity: 0.06;
}

@keyframes blobFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%       { transform: translate(40px, -60px) scale(1.1); }
  66%       { transform: translate(-30px, 40px) scale(0.9); }
}

/* ── Light Streaks ── */
.light-streaks {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.streak {
  position: absolute;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0,212,255,0.3), transparent);
  animation: streakMove 8s linear infinite;
  opacity: 0;
}

.streak-1 {
  width: 300px;
  top: 20%;
  animation-delay: 0s;
  animation-duration: 10s;
}

.streak-2 {
  width: 200px;
  top: 55%;
  animation-delay: -3s;
  animation-duration: 14s;
  background: linear-gradient(90deg, transparent, rgba(123,47,255,0.3), transparent);
}

.streak-3 {
  width: 400px;
  top: 75%;
  animation-delay: -6s;
  animation-duration: 12s;
  background: linear-gradient(90deg, transparent, rgba(0,255,179,0.2), transparent);
}

@keyframes streakMove {
  0%   { left: -400px; opacity: 0; }
  10%  { opacity: 1; }
  90%  { opacity: 1; }
  100% { left: 110%; opacity: 0; }
}

/* ── Typography ── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

h1 { font-size: clamp(2.8rem, 7vw, 6rem); }
h2 { font-size: clamp(2rem, 4.5vw, 3.5rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); }

p {
  color: var(--text-secondary);
  line-height: 1.7;
}

a {
  color: inherit;
  text-decoration: none;
}

img, svg { display: block; }

/* ── Gradient Text ── */
.gradient-text {
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  background-size: 200% 200%;
  animation: gradientShift 4s ease infinite;
}

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

/* ── Glass Card ── */
.glass-card {
  background: rgba(255,255,255,0.03);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.05) 0%, transparent 60%);
  pointer-events: none;
  border-radius: inherit;
}

/* ── Layout ── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(1.5rem, 5vw, 3rem);
  position: relative;
  z-index: 2;
}

.section-pad {
  padding: var(--space-3xl) 0;
  position: relative;
  z-index: 2;
}

/* ── Section Headers ── */
.section-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--cyan);
  background: var(--cyan-dim);
  border: 1px solid rgba(0,212,255,0.2);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-md);
}

.section-title {
  margin-bottom: var(--space-sm);
}

.section-sub {
  max-width: 560px;
  margin: 0 auto;
  font-size: 1.05rem;
}

/* ── Buttons ── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  background: var(--grad-primary);
  color: #fff;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-full);
  border: none;
  cursor: none;
  position: relative;
  overflow: hidden;
  transition: transform var(--dur-fast) var(--ease-spring), box-shadow var(--dur-med) var(--ease-out);
  box-shadow: 0 0 0 rgba(0,212,255,0);
}

.btn-primary:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 32px rgba(0,212,255,0.35), 0 0 60px rgba(123,47,255,0.2);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 30px;
  background: transparent;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.95rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-2);
  cursor: none;
  position: relative;
  overflow: hidden;
  transition: border-color var(--dur-med), color var(--dur-med), transform var(--dur-fast) var(--ease-spring), box-shadow var(--dur-med);
}

.btn-ghost:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  transform: translateY(-2px);
  box-shadow: 0 0 20px rgba(0,212,255,0.15);
}

/* Liquid hover effect */
.btn-liquid {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at var(--x, 50%) var(--y, 50%), rgba(255,255,255,0.15) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}

.btn-primary:hover .btn-liquid,
.form-submit:hover .btn-liquid {
  opacity: 1;
}

/* ── Magnetic Button ── */
.magnetic-btn {
  transition: transform 0.3s var(--ease-spring);
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb {
  background: linear-gradient(var(--cyan), var(--purple));
  border-radius: 2px;
}

/* ── Selection ── */
::selection {
  background: rgba(0,212,255,0.2);
  color: var(--cyan);
}

/* ── Utility ── */
.hidden { display: none !important; }
.desktop-br { display: block; }

@media (max-width: 768px) {
  .desktop-br { display: none; }
  body { cursor: auto; }
  .cursor-dot, .cursor-ring { display: none; }
}

/* ══════════════════════ PAGE LOADER ══════════════════════ */
.page-loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s var(--ease-out), visibility 0.6s;
}

.page-loader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  display: flex !important; /* override .hidden for fade-out */
}

.loader-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.loader-logo {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}

.loader-logo .logo-ev   { color: var(--cyan); }
.loader-logo .logo-of   { color: var(--text-muted); font-weight: 400; margin: 0 2px; }
.loader-logo .logo-dest { color: var(--purple); }

.loader-bar-wrap {
  width: 240px;
  height: 2px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
}

.loader-bar {
  height: 100%;
  width: 0%;
  background: var(--grad-primary);
  border-radius: 2px;
  transition: width 0.1s linear;
  box-shadow: 0 0 12px var(--cyan-glow);
}

.loader-pct {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.1em;
}

.loader-pct::after { content: '%'; }

/* ══════════════════════ SCROLL PROGRESS ══════════════════════ */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  width: 0%;
  background: var(--grad-primary);
  z-index: 9998;
  box-shadow: 0 0 8px var(--cyan-glow);
  transition: width 0.05s linear;
}

/* ══════════════════════ JS LIGHT STREAKS ══════════════════════ */
.light-streaks-container {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.light-streak {
  position: absolute;
  height: 1px;
  left: -300px;
  animation: streakMove linear infinite;
}

@keyframes streakMove {
  0%   { transform: translateX(0); }
  100% { transform: translateX(calc(100vw + 600px)); }
}