/*
 * OurHomeIndia - Design Language Stylesheet & Animations
 * Guided by design.md specifications
 * Warm cream canvas (#faf9f5), Warm Coral (#cc785c), Dark Navy (#181715), Editorial Serif Typography
 */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,400;0,500;0,600;1,400&family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --color-canvas: #faf9f5;
  --color-surface-soft: #f5f0e8;
  --color-surface-card: #efe9de;
  --color-surface-cream-strong: #e8e0d2;
  --color-surface-dark: #181715;
  --color-surface-dark-elevated: #252320;
  --color-surface-dark-soft: #1f1e1b;
  --color-primary: #cc785c;
  --color-primary-active: #a9583e;
  --color-primary-disabled: #e6dfd8;
  --color-hairline: #e6dfd8;
  --color-hairline-strong: #d8cec0;
  --color-hairline-soft: #ebe6df;
  --color-ink: #141413;
  --color-body-strong: #252523;
  --color-body: #3d3d3a;
  --color-muted: #6c6a64;
  --color-muted-soft: #8e8b82;
  --color-on-primary: #ffffff;
  --color-on-dark: #faf9f5;
  --color-on-dark-soft: #a09d96;
  --color-accent-amber: #e8a55a;
  --color-accent-teal: #5db8a6;
  --color-success: #2b7a42;
  --color-warning: #d4a017;
  --color-error: #c64545;

  --font-display: 'Cormorant Garamond', Garamond, 'Times New Roman', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

/* Base resets & document styles */
html {
  scroll-behavior: smooth;
  background-color: var(--color-canvas);
  color: var(--color-body);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--color-canvas);
  color: var(--color-body);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

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

.font-body {
  font-family: var(--font-body);
}

.font-mono {
  font-family: var(--font-mono);
}

/* Serif display headings with negative letter-spacing */
h1, h2, h3, .heading-display {
  font-family: var(--font-display);
  color: var(--color-ink);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.display-xl {
  font-size: clamp(2.25rem, 5.5vw, 4rem);
  letter-spacing: -0.03em;
  line-height: 1.05;
}

.display-lg {
  font-size: clamp(1.85rem, 4vw, 3rem);
  letter-spacing: -0.025em;
  line-height: 1.1;
}

.display-md {
  font-size: clamp(1.4rem, 3vw, 2.25rem);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.display-sm {
  font-size: 1.35rem;
  letter-spacing: -0.015em;
  line-height: 1.25;
}

/* Surface Tokens */
.bg-canvas { background-color: var(--color-canvas); }
.bg-surface-soft { background-color: var(--color-surface-soft); }
.bg-surface-card { background-color: var(--color-surface-card); }
.bg-surface-cream-strong { background-color: var(--color-surface-cream-strong); }
.bg-surface-dark { background-color: var(--color-surface-dark); }
.bg-surface-dark-elevated { background-color: var(--color-surface-dark-elevated); }
.bg-surface-dark-soft { background-color: var(--color-surface-dark-soft); }
.bg-primary-coral { background-color: var(--color-primary); }

.text-ink { color: var(--color-ink); }
.text-body-strong { color: var(--color-body-strong); }
.text-body-default { color: var(--color-body); }
.text-muted-custom { color: var(--color-muted); }
.text-muted-soft { color: var(--color-muted-soft); }
.text-coral { color: var(--color-primary); }
.text-on-dark { color: var(--color-on-dark); }
.text-on-dark-soft { color: var(--color-on-dark-soft); }

.border-hairline { border-color: var(--color-hairline); }
.border-hairline-strong { border-color: var(--color-hairline-strong); }
.border-hairline-soft { border-color: var(--color-hairline-soft); }

/* Buttons as per design.md */
.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-on-primary);
  font-weight: 500;
  font-size: 0.875rem;
  padding: 0.625rem 1.25rem;
  min-height: 2.5rem;
  border-radius: 0.5rem;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  position: relative;
  overflow: hidden;
}

.btn-primary:hover {
  background-color: var(--color-primary-active);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(204, 120, 92, 0.28);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background-color: var(--color-canvas);
  color: var(--color-ink);
  font-weight: 500;
  font-size: 0.875rem;
  padding: 0.625rem 1.25rem;
  min-height: 2.5rem;
  border-radius: 0.5rem;
  border: 1px solid var(--color-hairline-strong);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  text-decoration: none;
  cursor: pointer;
}

.btn-secondary:hover {
  background-color: var(--color-surface-soft);
  border-color: #c9bea9;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(20, 20, 19, 0.04);
}

.btn-secondary:active {
  transform: translateY(0);
}

.btn-secondary-on-dark {
  background-color: var(--color-surface-dark-elevated);
  color: var(--color-on-dark);
  font-weight: 500;
  font-size: 0.875rem;
  padding: 0.625rem 1.25rem;
  min-height: 2.5rem;
  border-radius: 0.5rem;
  border: 1px solid #363430;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  text-decoration: none;
  cursor: pointer;
}

.btn-secondary-on-dark:hover {
  background-color: #2e2b27;
  border-color: #48443e;
}

/* Feature & Property Cards */
.feature-card {
  background-color: var(--color-surface-card);
  border-radius: 0.75rem;
  padding: 2rem;
  border: 1px solid rgba(216, 206, 192, 0.85);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease, border-color 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-3px);
  border-color: #cfc2b3;
  box-shadow: 0 10px 25px -3px rgba(20, 20, 19, 0.07);
}

.property-card {
  background-color: var(--color-canvas);
  border-radius: 0.75rem;
  border: 1px solid var(--color-hairline-strong);
  overflow: hidden;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease, border-color 0.3s ease;
}

.property-card:hover {
  border-color: #bfb2a0;
  transform: translateY(-4px);
  box-shadow: 0 12px 28px -4px rgba(20, 20, 19, 0.08);
}

.callout-card-coral {
  background-color: var(--color-primary);
  color: var(--color-on-primary);
  border-radius: 0.75rem;
  padding: 3rem 2rem;
  position: relative;
  overflow: hidden;
}

.product-mockup-card-dark {
  background-color: var(--color-surface-dark);
  color: var(--color-on-dark);
  border-radius: 0.75rem;
  padding: 2rem;
  border: 1px solid #282622;
  transition: border-color 0.3s ease;
}

/* Badges & Pills */
.badge-pill {
  background-color: var(--color-surface-card);
  color: var(--color-ink);
  font-size: 0.8125rem;
  font-weight: 500;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  border: 1px solid rgba(216, 206, 192, 0.6);
}

.badge-coral {
  background-color: var(--color-primary);
  color: var(--color-on-primary);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  display: inline-flex;
  align-items: center;
}

.badge-verified {
  background-color: #eaf7ed;
  color: #2b7a42;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.625rem;
  border-radius: 9999px;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  border: 1px solid #c2e8cb;
}

/* Form Inputs with elevated contrast */
.form-input {
  background-color: var(--color-canvas);
  color: var(--color-ink);
  font-size: 0.875rem;
  padding: 0.625rem 0.875rem;
  min-height: 2.625rem;
  border-radius: 0.5rem;
  border: 1.5px solid var(--color-hairline-strong);
  outline: none;
  transition: all 0.2s ease;
  width: 100%;
}

.form-input:focus {
  border-color: var(--color-primary);
  background-color: #ffffff;
  box-shadow: 0 0 0 3px rgba(204, 120, 92, 0.16);
}

.form-input.is-invalid {
  border-color: var(--color-error) !important;
  background-color: #fff8f8;
}

.form-input.is-valid {
  border-color: var(--color-success) !important;
}

/* Step Wizard Navigation */
.step-indicator {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 9999px;
  font-weight: 600;
  font-size: 0.75rem;
  border: 1.5px solid var(--color-hairline-strong);
  background-color: var(--color-canvas);
  color: var(--color-muted);
  transition: all 0.25s ease;
}

.step-indicator.active {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: #ffffff;
  box-shadow: 0 2px 8px rgba(204, 120, 92, 0.35);
}

.step-indicator.completed {
  background-color: #eaf7ed;
  border-color: #2b7a42;
  color: #2b7a42;
}

/* Sticky Nav Bar */
.top-nav {
  height: 4.25rem;
  background-color: rgba(250, 249, 245, 0.96);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-hairline);
  position: sticky;
  top: 0;
  z-index: 50;
  transition: box-shadow 0.25s ease;
}

/* Logo on Mobile Devices */
@media (max-width: 768px) {
  .navbar-brand img,
  .mobile-panel a img {
    border-radius: 0rem 1rem 1rem 0rem;
    margin-left: -0.5rem;
  }
}

.nav-link {
  position: relative;
  padding: 0.25rem 0;
  transition: color 0.2s ease;
}

.nav-link.active {
  color: var(--color-primary);
  font-weight: 600;
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -0.25rem;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--color-primary);
  border-radius: 2px;
}

/* Animated Hamburger Menu Button (44px min touch target) */
.hamburger-btn {
  width: 2.75rem;
  height: 2.75rem;
  min-width: 44px;
  min-height: 44px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  border-radius: 0.5rem;
  background: transparent;
  border: 1px solid transparent;
  cursor: pointer;
  padding: 0;
  transition: all 0.2s ease;
}

.hamburger-btn:hover, .hamburger-btn:focus {
  background-color: var(--color-surface-card);
  border-color: var(--color-hairline-strong);
}

.hamburger-line {
  width: 20px;
  height: 2px;
  background-color: var(--color-ink);
  border-radius: 2px;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Open state for hamburger */
.hamburger-btn.is-active .hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger-btn.is-active .hamburger-line:nth-child(2) {
  opacity: 0;
  transform: translateX(8px);
}
.hamburger-btn.is-active .hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Slide-Over Mobile Drawer */
.mobile-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(20, 20, 19, 0.55);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 90;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.3s ease;
}

.mobile-overlay.open {
  opacity: 1;
  visibility: visible;
}

.mobile-panel {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 85%;
  max-width: 22rem;
  background-color: var(--color-canvas);
  border-left: 1px solid var(--color-hairline);
  z-index: 100;
  display: flex;
  flex-direction: column;
  padding: 1.5rem;
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: -8px 0 32px rgba(20, 20, 19, 0.15);
  overflow-y: auto;
}

.mobile-panel.open {
  transform: translateX(0);
}

.mobile-nav-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.875rem 0.5rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--color-ink);
  border-bottom: 1px solid var(--color-hairline-soft);
  text-decoration: none;
  transition: all 0.15s ease;
}

.mobile-nav-link:hover {
  color: var(--color-primary);
  padding-left: 0.875rem;
}

.mobile-nav-link.active {
  color: var(--color-primary);
  font-weight: 600;
  background-color: var(--color-surface-soft);
  border-radius: 0.5rem;
  padding-left: 0.875rem;
}

/* Close button with 44x44px target */
.drawer-close-btn {
  width: 2.75rem;
  height: 2.75rem;
  min-width: 44px;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 0.5rem;
  transition: all 0.2s ease;
}

/* Sticky Bottom Contact Bar on Mobile Detail View */
.sticky-bottom-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--color-hairline-strong);
  padding: 0.75rem 1rem calc(0.75rem + env(safe-area-inset-bottom, 0px));
  z-index: 45;
  box-shadow: 0 -4px 16px rgba(20, 20, 19, 0.08);
}

/* Keyframes */

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

.animate-fadeIn {
  animation: fadeIn 0.35s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Scroll reveal animations */
.scroll-reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.scroll-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.delay-100 { transition-delay: 100ms; }
.delay-200 { transition-delay: 200ms; }
.delay-300 { transition-delay: 300ms; }
.delay-400 { transition-delay: 400ms; }

/* Category tabs */
.category-tab {
  padding: 0.5rem 1rem;
  border-radius: 9999px;
  font-size: 0.8125rem;
  font-weight: 500;
  border: 1px solid var(--color-hairline-strong);
  background-color: var(--color-canvas);
  color: var(--color-muted);
  cursor: pointer;
  transition: all 0.2s ease;
}

.category-tab:hover {
  border-color: #bfb2a0;
  color: var(--color-ink);
}

.category-tab.active {
  background-color: var(--color-ink);
  color: var(--color-on-dark);
  border-color: var(--color-ink);
}

/* Toast Component */
#toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 110;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  background-color: var(--color-surface-dark-elevated);
  color: var(--color-on-dark);
  border: 1px solid #363430;
  border-radius: 0.75rem;
  padding: 0.875rem 1.25rem;
  font-size: 0.8125rem;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  max-width: 24rem;
  animation: toastSlideIn 0.35s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes toastSlideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* Development Notice Banner */
.dev-notice-banner {
  border-bottom: 1px solid rgba(232, 165, 90, 0.2);
  background: linear-gradient(90deg, #181715 0%, #201e1a 100%);
}