/* ===== Custom Properties ===== */
:root {
    --color-bg: #1A120E;
    --color-bg-alt: #1E1510;
    --color-bg-elevated: #2A1F18;
    --color-gold: #C4A882;
    --color-gold-light: #D4BA96;
    --color-terracotta: #B85A3C;
    --color-sand: #EDE0D4;
    --color-sand-muted: #EDE0D4;
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', system-ui, sans-serif;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-bg);
    color: var(--color-sand);
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

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

/* ===== Buttons ===== */
.btn-primary {
    display: inline-flex;
    align-items: center;
    background: linear-gradient(135deg, #C4A882 0%, #B8926A 100%);
    color: #1A120E;
    padding: 14px 32px;
    font-family: var(--font-body);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    border: none;
    border-radius: 2px;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #D4BA96 0%, #C4A882 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.btn-primary:hover::before {
    opacity: 1;
}

.btn-primary span,
.btn-primary svg {
    position: relative;
    z-index: 1;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(196, 168, 130, 0.25);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    background: transparent;
    color: var(--color-sand);
    padding: 14px 32px;
    font-family: var(--font-body);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    border: 1px solid rgba(196, 168, 130, 0.3);
    border-radius: 2px;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.btn-secondary:hover {
    border-color: var(--color-gold);
    color: var(--color-gold);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(196, 168, 130, 0.1);
}

/* ===== Navigation ===== */
#header {
    background: transparent;
}

#header.scrolled {
    background: rgba(26, 18, 14, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(196, 168, 130, 0.08);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-gold);
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

.nav-link:hover {
    color: var(--color-gold);
}

/* Mobile menu */
#mobileMenu.open {
    opacity: 1;
    pointer-events: all;
}

#mobileMenu.closed {
    opacity: 0;
    pointer-events: none;
}

.mobile-nav-link {
    font-size: 18px;
    letter-spacing: 0.2em;
}

.menu-line {
    display: block;
}

#menuBtn.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(4px, 4px);
}

#menuBtn.active .menu-line:nth-child(2) {
    opacity: 0;
}

#menuBtn.active .menu-line:nth-child(3) {
    transform: rotate(-45deg) translate(4px, -4px);
    width: 6px;
}

/* ===== Scroll Indicator ===== */
@keyframes scrollIndicator {
    0% { transform: translateY(-100%); }
    100% { transform: translateY(100%); }
}

.animate-scroll-indicator {
    animation: scrollIndicator 1.5s ease-in-out infinite;
}

/* ===== Service Cards ===== */
.service-card {
    position: relative;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
    opacity: 0;
    transition: opacity 0.5s ease;
}

.service-card:hover::before {
    opacity: 1;
}

/* ===== Scroll Reveal ===== */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
    }
    
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Stagger delays */
.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; }
.reveal-delay-6 { transition-delay: 0.6s; }

/* ===== Selection ===== */
::selection {
    background: rgba(196, 168, 130, 0.3);
    color: var(--color-sand);
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg);
}

::-webkit-scrollbar-thumb {
    background: rgba(196, 168, 130, 0.3);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(196, 168, 130, 0.5);
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .font-playfair {
        font-size: clamp(2rem, 8vw, 3.5rem);
    }
}