/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Lora:ital,wght@0,400..700;1,400..700&display=swap');

:root {
  --color-brand-espresso: #1E1715;
  --color-brand-dark: #1F1A17;
  --color-brand-cognac: #52361D;
  --color-brand-cognac-hover: #3E2815;
  --color-brand-bg: #F8F4EC;
  --color-brand-cream: #F5F1E8;
  --color-brand-sand: #EAE5DB;
  --color-brand-muted: #8C7E72;
}

html, body, button, input, select, textarea {
  font-family: 'Lora', serif !important;
  scroll-behavior: smooth;
  color: var(--color-brand-dark);
  background-color: var(--color-brand-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection {
  background-color: var(--color-brand-cognac);
  color: #FFFFFF;
}

/* Lora font helper */
.font-serif-main {
  font-family: 'Lora', serif;
}

/* Header link active state */
.nav-link {
  position: relative;
  transition: color 0.2s ease;
}

.nav-link.active {
  color: var(--color-brand-dark);
  font-weight: 500;
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-brand-cognac);
  border-radius: 1px;
}

/* Luxury button styling */
.btn-cognac {
  background-color: var(--color-brand-cognac);
  color: #FFFFFF;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-cognac:hover {
  background-color: var(--color-brand-cognac-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(82, 54, 29, 0.18);
}

.btn-outline-white {
  background-color: rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.65);
  color: #FFFFFF;
  backdrop-filter: blur(4px);
  transition: all 0.25s ease;
}

.btn-outline-white:hover {
  background-color: rgba(0, 0, 0, 0.45);
  border-color: #FFFFFF;
  transform: translateY(-1px);
}

/* Card hover animation */
.card-zoom {
  overflow: hidden;
}

.card-zoom img {
  transition: transform 0.65s cubic-bezier(0.16, 1, 0.3, 1);
}

.card-zoom:hover img {
  transform: scale(1.04);
}

/* Dark gradient overlay for cards */
.card-overlay-gradient {
  background: linear-gradient(180deg, rgba(0, 0, 0, 0) 45%, rgba(0, 0, 0, 0.65) 90%, rgba(0, 0, 0, 0.8) 100%);
}

.hero-overlay-gradient {
  background: linear-gradient(90deg, rgba(15, 12, 10, 0.8) 0%, rgba(15, 12, 10, 0.5) 45%, rgba(15, 12, 10, 0.1) 85%, transparent 100%);
}

/* Process step connector arrow */
@media (min-width: 1024px) {
  .process-step:not(:last-child)::after {
    content: '→';
    position: absolute;
    right: -14px;
    top: 6px;
    color: #A89B8F;
    font-size: 14px;
    font-weight: 300;
  }
}

/* Custom form inputs */
.form-input-luxury {
  width: 100%;
  background-color: #FFFFFF;
  border: 1px solid #DCD5C8;
  color: #1F1A17;
  padding: 6px 12px;
  font-size: 13.5px;
  line-height: 1.4;
  outline: none;
  transition: all 0.2s ease;
  border-radius: 1px;
}

input.form-input-luxury,
select.form-input-luxury {
  height: 36px;
}

.form-input-luxury:focus {
  border-color: var(--color-brand-cognac);
  box-shadow: 0 0 0 2px rgba(82, 54, 29, 0.12);
}

.form-input-luxury::placeholder {
  color: #9C8F84;
}

/* Mobile menu transitions */
#mobile-menu {
  transition: transform 0.3s ease, opacity 0.3s ease;
}

#mobile-menu.hidden-menu {
  transform: translateY(-100%);
  opacity: 0;
  pointer-events: none;
}

#mobile-menu.active-menu {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

/* Consultation section text overlay gradient */
.consultation-gradient-overlay {
  background: linear-gradient(
    180deg,
    rgba(246, 241, 233, 0.98) 0%,
    rgba(246, 241, 233, 0.94) 48%,
    rgba(246, 241, 233, 0.72) 70%,
    rgba(246, 241, 233, 0.22) 88%,
    rgba(246, 241, 233, 0) 100%
  );
}

/* Hero slider slow, smooth cinematic crossfade */
.hero-slide {
  transition: opacity 1.8s cubic-bezier(0.4, 0, 0.2, 1) !important;
  will-change: opacity;
}

/* Footer wood grain background */
.footer-wood-grain {
  background-color: #271811;
  background-image: 
    linear-gradient(rgba(36, 22, 15, 0.88), rgba(30, 18, 12, 0.93)),
    url('../images/template_imgs/anh_go.webp');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

/* Scroll Reveal & Lazyload Animations */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 1.6s cubic-bezier(0.16, 1, 0.3, 1), transform 1.6s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

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

/* Stagger delay helpers for grid items */
.reveal-delay-1 {
  transition-delay: 0.15s;
}

.reveal-delay-2 {
  transition-delay: 0.3s;
}

.reveal-delay-3 {
  transition-delay: 0.45s;
}

.reveal-delay-4 {
  transition-delay: 0.6s;
}

.reveal-delay-5 {
  transition-delay: 0.75s;
}

@media (prefers-reduced-motion: reduce) {
  .reveal-on-scroll {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}