/* ============================================================
   KAILASH WEBDESIGN — Global Stylesheet
   Design System, Tokens, Reset, Typography, Utilities
   ============================================================ */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;500;600;700;800&family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;1,300&family=DM+Mono:wght@400;500&display=swap');

/* === CSS CUSTOM PROPERTIES === */
:root {
  /* Background Scale */
  --bg-0: #04050e;
  --bg-1: #080d1a;
  --bg-2: #0e1526;
  --bg-3: #141d32;
  --bg-surface: rgba(255,255,255,0.03);
  --bg-surface-2: rgba(255,255,255,0.055);

  /* Border */
  --border: rgba(255,255,255,0.07);
  --border-2: rgba(255,255,255,0.13);
  --border-accent: rgba(124,107,255,0.3);

  /* Text Scale */
  --text-primary: #eceffe;
  --text-secondary: #9ca8c4;
  --text-muted: #5a6585;
  --text-dim: #3a4460;

  /* Accent Colors */
  --violet: #7c6bff;
  --violet-light: #a395ff;
  --violet-glow: rgba(124,107,255,0.18);
  --teal: #06b6d4;
  --teal-glow: rgba(6,182,212,0.15);
  --gold: #f0a832;
  --gold-light: #fbbf24;
  --gold-glow: rgba(240,168,50,0.15);
  --green: #10b981;
  --pink: #f472b6;
  --red: #ef4444;

  /* Gradient presets */
  --grad-violet: linear-gradient(135deg, #7c6bff, #5b4ef5);
  --grad-teal: linear-gradient(135deg, #06b6d4, #0891b2);
  --grad-text: linear-gradient(135deg, #7c6bff, #06b6d4, #f0a832);

  /* Typography */
  --font-display: 'Syne', system-ui, sans-serif;
  --font-body: 'Plus Jakarta Sans', system-ui, sans-serif;
  --font-mono: 'DM Mono', monospace;

  /* Type Scale */
  --text-xs:   0.7rem;
  --text-sm:   0.85rem;
  --text-base: 1rem;
  --text-lg:   1.125rem;
  --text-xl:   1.35rem;
  --text-2xl:  1.65rem;
  --text-3xl:  2rem;
  --text-4xl:  2.6rem;
  --text-5xl:  2.8rem;
  --text-6xl:  4rem;

  /* Spacing */
  --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;

  /* Radii */
  --radius-sm: 4px;
  --radius: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.25);
  --shadow: 0 8px 32px rgba(0,0,0,0.35);
  --shadow-lg: 0 24px 64px rgba(0,0,0,0.5);
  --shadow-violet: 0 0 40px rgba(124,107,255,0.25);
  --shadow-teal: 0 0 40px rgba(6,182,212,0.2);

  /* Transitions */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --transition: 0.3s var(--ease);
  --transition-slow: 0.6s var(--ease);

  /* Layout */
  --container-max: 1280px;
  --container-sm: 840px;
  --header-h: 72px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  font-size: 16px;
}

body {
  background-color: var(--bg-0);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 400;
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul, ol {
  list-style: none;
}

button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

/* === SCROLLBAR === */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg-1); }
::-webkit-scrollbar-thumb { background: var(--violet); border-radius: 2px; }
::-webkit-scrollbar-thumb:hover { background: var(--violet-light); }

/* === SELECTION === */
::selection {
  background: rgba(124,107,255,0.3);
  color: var(--text-primary);
}

/* === CONTAINER === */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-8);
}

.container-sm {
  max-width: var(--container-sm);
  margin: 0 auto;
  padding: 0 var(--space-8);
}

/* === SECTION === */
.section {
  padding: var(--space-24) 0;
  position: relative;
}

.section--dark { background-color: var(--bg-1); }
.section--darker { background-color: var(--bg-0); }
.section--mid { background-color: var(--bg-2); }

/* === TYPOGRAPHY === */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--text-primary);
}

h1 { font-size: clamp(2.4rem, 5vw, var(--text-6xl)); }
h2 { font-size: clamp(1.8rem, 3.5vw, var(--text-5xl)); }
h3 { font-size: clamp(1.35rem, 2.5vw, var(--text-3xl)); }
h4 { font-size: var(--text-xl); font-weight: 700; }

p {
  color: var(--text-secondary);
  line-height: 1.8;
  font-size: var(--text-base);
}

strong { color: var(--text-primary); font-weight: 600; }
em { font-style: italic; color: var(--gold); }

/* === GRADIENT TEXT === */
.text-gradient {
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-violet {
  background: var(--grad-violet);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* === SECTION LABEL === */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--violet-light);
  margin-bottom: var(--space-4);
}

.section-label::before {
  content: '';
  display: block;
  width: 20px;
  height: 1.5px;
  background: currentColor;
  border-radius: 2px;
  flex-shrink: 0;
}

/* === DIVIDER === */
.divider {
  width: 200px;
  height: 2.5px;
  border-radius: 2px;
  background: var(--grad-violet);
  margin: var(--space-5) 0;
}

.divider--center { margin-left: auto; margin-right: auto; }

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.01em;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-full);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
  cursor: pointer;
  border: none;
  text-decoration: none;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.08);
  opacity: 0;
  transition: opacity var(--transition);
}

.btn:hover::after { opacity: 1; }

/* Primary */
.btn-primary {
  background: var(--grad-violet);
  color: #fff;
  box-shadow: var(--shadow-violet);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 56px rgba(124,107,255,0.45);
}

/* Secondary / Outline */
.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-2);
}

.btn-outline:hover {
  border-color: var(--violet);
  color: var(--violet-light);
  background: var(--violet-glow);
}

/* Gold */
.btn-gold {
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  color: #0a0d1a;
  font-weight: 700;
}

.btn-gold:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 40px rgba(240,168,50,0.4);
}

/* Ghost */
.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  padding-left: 0;
  padding-right: 0;
}

.btn-ghost:hover { color: var(--gold); }
.btn-ghost .arrow { transition: transform var(--transition); }
.btn-ghost:hover .arrow { transform: translateX(5px); }

/* Small */
.btn-sm {
  font-size: var(--text-xs);
  padding: 0.5rem 1.1rem;
}

/* Icon button */
.btn-icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-surface-2);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  transition: all var(--transition);
}

.btn-icon:hover {
  border-color: var(--violet);
  color: var(--violet-light);
  background: var(--violet-glow);
}

/* === CARDS === */
.card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: all var(--transition);
  position: relative;
}

.card:hover {
  border-color: var(--border-accent);
  background: var(--bg-surface-2);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.card--glow:hover {
  box-shadow: var(--shadow-lg), var(--shadow-violet);
}

/* === TAGS / CHIPS === */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.7rem;
  background: var(--violet-glow);
  border: 1px solid rgba(124,107,255,0.25);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--violet-light);
  letter-spacing: 0.04em;
}

.tag--gold {
  background: var(--gold-glow);
  border-color: rgba(240,168,50,0.25);
  color: var(--gold-light);
}

.tag--teal {
  background: var(--teal-glow);
  border-color: rgba(6,182,212,0.25);
  color: var(--teal);
}

.tag--green {
  background: rgba(16,185,129,0.12);
  border-color: rgba(16,185,129,0.25);
  color: var(--green);
}

/* === GRID UTILITIES === */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-6); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-6); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-6); }

/* === FLEX UTILITIES === */
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-col { display: flex; flex-direction: column; }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

/* === TEXT UTILITIES === */
.text-center { text-align: center; }
.text-sm { font-size: var(--text-sm); }
.text-xs { font-size: var(--text-xs); }
.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.font-mono { font-family: var(--font-mono); }

/* === ICON BOX === */
.icon-box {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}

.icon-box--violet {
  background: var(--violet-glow);
  border: 1px solid rgba(124,107,255,0.2);
}

.icon-box--gold {
  background: var(--gold-glow);
  border: 1px solid rgba(240,168,50,0.2);
}

.icon-box--teal {
  background: var(--teal-glow);
  border: 1px solid rgba(6,182,212,0.2);
}

.icon-box--green {
  background: rgba(16,185,129,0.12);
  border: 1px solid rgba(16,185,129,0.2);
}

.icon-box--pink {
  background: rgba(244,114,182,0.1);
  border: 1px solid rgba(244,114,182,0.2);
}

/* === SECTION HEADER === */
.section-header {
  max-width: 900px;
}

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

.section-header--center .section-label {
  justify-content: center;
}

.section-header--center .divider {
  margin: var(--space-5) auto;
}

.section-header p {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  line-height: 1.8;
  margin-top: var(--space-4);
}

/* === STAR RATING === */
.stars {
  display: flex;
  gap: 2px;
}

.star {
  color: var(--gold);
  font-size: 13px;
}

/* === FORM ELEMENTS === */
.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-2);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.8rem 1rem;
  color: var(--text-primary);
  font-size: var(--text-sm);
  font-family: var(--font-body);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--violet);
  box-shadow: 0 0 0 3px rgba(124,107,255,0.12);
}

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

.form-textarea {
  min-height: 130px;
  resize: vertical;
}

.form-select {
  -webkit-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%239ca8c4' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 2.5rem;
}

.form-select option {
  background: var(--bg-2);
  color: var(--text-primary);
}

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

/* === SUCCESS MESSAGE === */
.form-success {
  display: none;
  text-align: center;
  padding: var(--space-12) var(--space-8);
}

.form-success.show { display: block; }

.form-success-icon {
  font-size: 3rem;
  margin-bottom: var(--space-4);
}

.form-success h3 {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-3);
}

/* === NOISE TEXTURE === */
.noise-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* === ANIMATIONS === */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-10px); }
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(16,185,129,0.5); }
  50%      { box-shadow: 0 0 0 6px transparent; }
}

@keyframes rotateSlow {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

@keyframes shimmer {
  0%   { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* === REVEAL ON SCROLL === */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* === GLOW BACKGROUND BLOBS === */
.glow-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  z-index: 0;
}

/* === RESPONSIVE BREAKPOINTS === */
@media (max-width: 1024px) {
  :root { --header-h: 64px; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  :root {
    --space-24: 4rem;
    --space-32: 5rem;
  }

  .container { padding: 0 var(--space-5); }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .section { padding: var(--space-16) 0; }

  h1 { font-size: clamp(2rem, 8vw, 2.8rem); }
  h2 { font-size: clamp(1.6rem, 6vw, 2.2rem); }
}

@media (max-width: 480px) {
  .container { padding: 0 var(--space-4); }
  .btn { padding: 0.7rem 1.4rem; }
}