/* =============================================
   DECCAN QUEEN ON RAILS — Global Design System
   ============================================= */

/* ===== Light Theme (Default) ===== */
:root {
  --color-background:        hsl(40, 30%, 96%);
  --color-background-alt:    hsl(38, 28%, 92%);
  --color-foreground:        hsl(0, 0%, 12%);
  --color-foreground-soft:   hsl(0, 0%, 25%);

  --color-card:              hsl(40, 25%, 98%);
  --color-card-foreground:   hsl(0, 0%, 12%);

  --color-primary:           hsl(348, 70%, 35%);
  --color-primary-hover:     hsl(348, 75%, 28%);
  --color-primary-foreground:hsl(40, 30%, 96%);

  --color-secondary:         hsl(20, 45%, 92%);
  --color-secondary-foreground: hsl(348, 70%, 30%);

  --color-muted:             hsl(20, 30%, 94%);
  --color-muted-foreground:  hsl(20, 15%, 45%);

  --color-accent:            hsl(40, 80%, 50%);
  --color-accent-foreground: hsl(0, 0%, 12%);

  --color-border:            hsl(30, 20%, 86%);
  --color-border-strong:     hsl(30, 20%, 78%);
  --color-ring:              hsl(348, 70%, 35%);

  --color-ruby:              hsl(348, 70%, 35%);
  --color-ruby-light:        hsl(348, 65%, 45%);
  --color-ruby-dark:         hsl(348, 75%, 25%);
  --color-gold:              hsl(40, 80%, 50%);
  --color-gold-light:        hsl(42, 85%, 65%);
  --color-saffron:           hsl(28, 88%, 50%);
  --color-saffron-light:     hsl(35, 90%, 62%);
  --color-saffron-muted:     hsl(28, 88%, 50%, 0.08);
  --color-success:           hsl(142, 70%, 35%);
  --color-destructive:       hsl(0, 84%, 60%);

  --shadow-sm:   0 1px 3px hsl(0 0% 0% / 0.06), 0 1px 2px hsl(0 0% 0% / 0.04);
  --shadow-md:   0 4px 16px -2px hsl(0 0% 0% / 0.08), 0 2px 6px -1px hsl(0 0% 0% / 0.04);
  --shadow-lg:   0 10px 40px -8px hsl(0 0% 0% / 0.12), 0 4px 12px -2px hsl(0 0% 0% / 0.06);
  --shadow-ruby: 0 8px 32px -8px hsl(348 70% 35% / 0.35);
}

/* ===== Dark Theme ===== */
[data-theme="dark"] {
  --color-background:        hsl(20, 12%, 7%);
  --color-background-alt:    hsl(20, 10%, 10%);
  --color-foreground:        hsl(40, 20%, 90%);
  --color-foreground-soft:   hsl(40, 15%, 75%);

  --color-card:              hsl(20, 10%, 10%);
  --color-card-foreground:   hsl(40, 20%, 90%);

  --color-primary:           hsl(348, 68%, 58%);
  --color-primary-hover:     hsl(348, 72%, 65%);
  --color-primary-foreground:hsl(20, 12%, 7%);

  --color-secondary:         hsl(20, 15%, 15%);
  --color-secondary-foreground: hsl(348, 60%, 68%);

  --color-muted:             hsl(20, 10%, 13%);
  --color-muted-foreground:  hsl(30, 12%, 58%);

  --color-accent:            hsl(40, 78%, 56%);
  --color-accent-foreground: hsl(20, 12%, 7%);

  --color-border:            hsl(20, 12%, 18%);
  --color-border-strong:     hsl(20, 12%, 24%);
  --color-ring:              hsl(348, 68%, 58%);

  --color-ruby:              hsl(348, 68%, 58%);
  --color-ruby-light:        hsl(348, 62%, 68%);
  --color-ruby-dark:         hsl(348, 72%, 48%);
  --color-gold:              hsl(40, 78%, 56%);
  --color-gold-light:        hsl(42, 82%, 70%);
  --color-saffron:           hsl(28, 80%, 58%);
  --color-saffron-light:     hsl(35, 82%, 70%);
  --color-saffron-muted:     hsl(28, 80%, 58%, 0.1);
  --color-success:           hsl(142, 60%, 48%);
  --color-destructive:       hsl(0, 72%, 62%);

  --shadow-sm:   0 1px 3px hsl(0 0% 0% / 0.25);
  --shadow-md:   0 4px 16px -2px hsl(0 0% 0% / 0.35);
  --shadow-lg:   0 10px 40px -8px hsl(0 0% 0% / 0.5);
  --shadow-ruby: 0 8px 32px -8px hsl(348 68% 58% / 0.3);
}

/* ===== Font Variables ===== */
:root {
  --font-display: "Playfair Display", Georgia, serif;
  --font-sans:    "Inter", system-ui, -apple-system, sans-serif;

  --radius-sm: 0.375rem;
  --radius-md: 0.625rem;
  --radius-lg: 0.875rem;
  --radius-xl: 1.25rem;
  --radius-full: 9999px;

  --nav-height: 68px;
  --max-width: 1200px;
  --content-width: 860px;
}

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

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

body {
  font-family: var(--font-sans);
  background-color: var(--color-background);
  color: var(--color-foreground);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color 0.3s ease, color 0.3s ease;
  padding-top: var(--nav-height);
}

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

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

button {
  font-family: inherit;
  cursor: pointer;
}

/* ===== Typography ===== */
.font-display { font-family: var(--font-display); }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.15;
  font-weight: 700;
  color: var(--color-foreground);
}

/* ===== Layout Utilities ===== */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.section {
  padding: 5rem 0;
}

.section-sm { padding: 3rem 0; }
.section-lg { padding: 7rem 0; }

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-ruby);
  margin-bottom: 0.75rem;
}

.section-label::before {
  content: '';
  width: 2rem;
  height: 2px;
  background: var(--color-ruby);
  border-radius: 2px;
}

.section-heading {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 1rem;
  color: var(--color-foreground);
}

.section-subheading {
  font-size: 1.1rem;
  color: var(--color-muted-foreground);
  max-width: 52rem;
  line-height: 1.7;
}

.text-center { text-align: center; }
.text-center .section-label { justify-content: center; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-lg);
  font-size: 1rem;
  font-weight: 600;
  font-family: var(--font-sans);
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  white-space: nowrap;
}

.btn svg {
  width: 1.1rem;
  height: 1.1rem;
  flex-shrink: 0;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-primary-foreground);
  box-shadow: var(--shadow-ruby);
}

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 12px 40px -8px hsl(348 70% 35% / 0.45);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-foreground);
  border: 1.5px solid var(--color-border-strong);
}

.btn-secondary:hover {
  background-color: var(--color-muted);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-ghost {
  background: transparent;
  color: var(--color-primary);
  padding: 0.5rem 0;
}

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

.btn-ghost svg {
  transition: transform 0.2s ease;
}
.btn-ghost:hover svg {
  transform: translateX(3px);
}

.btn-lg {
  padding: 0.9rem 2rem;
  font-size: 1.05rem;
}

/* ===== Cards ===== */
.card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-border-strong);
}

/* ===== Badge Pill ===== */
.badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-full);
  background-color: var(--color-card);
  border: 1px solid var(--color-border);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--color-muted-foreground);
  box-shadow: var(--shadow-sm);
}

.badge-pill.ruby {
  background-color: hsl(348 70% 35% / 0.08);
  border-color: hsl(348 70% 35% / 0.2);
  color: var(--color-ruby);
}

.badge-pill.gold {
  background-color: hsl(40 80% 50% / 0.1);
  border-color: hsl(40 80% 50% / 0.25);
  color: hsl(30, 60%, 30%);
}

[data-theme="dark"] .badge-pill.gold {
  color: var(--color-gold);
}

/* ===== Ruby Gem SVG (shared) ===== */
.ruby-gem {
  position: absolute;
  animation: float 3s ease-in-out infinite;
  pointer-events: none;
}

/* ===== Text Gradient ===== */
.text-ruby {
  background-image: linear-gradient(135deg, var(--color-ruby) 0%, var(--color-ruby-dark) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

[data-theme="dark"] .text-ruby {
  background-image: linear-gradient(135deg, var(--color-ruby-light) 0%, var(--color-ruby) 100%);
}

/* ===== Divider ===== */
.divider {
  height: 1px;
  background: var(--color-border);
  margin: 0;
}

/* ===== Hidden utility ===== */
.hidden { display: none !important; }
.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* ===== Animations ===== */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-10px); }
}

@keyframes fade-in {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes slide-down {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

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

@keyframes train-move-across {
  0%   { left: -340px; }
  100% { left: calc(100vw + 340px); }
}

@keyframes smoke-rise {
  0%   { transform: translateY(0) scale(1);   opacity: 0.55; }
  100% { transform: translateY(-40px) scale(2); opacity: 0; }
}

.animate-fade-in     { animation: fade-in 0.6s ease-out forwards; }
.animate-fade-in-up  { opacity: 0; animation: fade-in 0.8s ease-out forwards; }
.spin                { animation: spin 1s linear infinite; }

/* ===== Responsive helpers ===== */
@media (max-width: 768px) {
  .hide-mobile { display: none !important; }
}
@media (min-width: 769px) {
  .hide-desktop { display: none !important; }
}

/* On short viewports (landscape phones) hide decorative hero elements
   so the core content stays fully in frame without scrolling */
@media (max-height: 680px) {
  .hero-marathi { display: none; }
  .hero-socials  { display: none; }
  .hero-logo     { width: 44px; height: 44px; margin-bottom: 0.5rem; }
}