/* ============================================
   Rosetta's Hair Styling — Custom Styles
   Premium Dark Luxury Theme
   ============================================ */

/* CSS Custom Properties */
:root {
    --color-forest-900: #0a1f14;
    --color-forest-800: #1a3a2a;
    --color-forest-700: #1e4d35;
    --color-forest-600: #2d6a4f;
    --color-gold-400: #f5d78a;
    --color-gold-500: #d4a843;
    --color-gold-600: #c9a84c;
    --color-cream-50: #faf8f4;
    --color-cream-100: #f5f0e8;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    overflow-x: hidden;
}

/* Selection */
::selection {
    background: rgba(201, 168, 76, 0.3);
    color: #faf8f4;
}

/* Gold Button */
.gold-btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    background: linear-gradient(135deg, #c9a84c 0%, #f5d78a 50%, #c9a84c 100%);
    background-size: 200% 200%;
    color: #0a1f14;
    font-family: 'Raleway', sans-serif;
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.05em;
    border-radius: 50px;
    text-decoration: none;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 20px rgba(201, 168, 76, 0.25), 0 0 0 0 rgba(201, 168, 76, 0);
    overflow: hidden;
}

.gold-btn::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #f5d78a 0%, #c9a84c 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
    border-radius: 50px;
}

.gold-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(201, 168, 76, 0.35), 0 0 0 4px rgba(201, 168, 76, 0.1);
    background-position: right center;
}

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

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

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

/* Service Card */
.service-card {
    position: relative;
    overflow: hidden;
}

.service-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, #c9a84c, transparent);
    opacity: 0;
    transition: opacity 0.5s ease;
}

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

/* Gallery */
.gallery-item {
    position: relative;
    cursor: pointer;
}

.gallery-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(10, 31, 20, 0.4) 0%, transparent 50%);
    opacity: 0;
    transition: opacity 0.4s ease;
    border-radius: inherit;
}

.gallery-item:hover::after {
    opacity: 1;
}

/* Navbar */
#navbar {
    background: transparent;
    transition: background 0.4s ease, box-shadow 0.4s ease, backdrop-filter 0.4s ease;
}

#navbar.scrolled {
    background: rgba(10, 31, 20, 0.92);
    backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(201, 168, 76, 0.1), 0 4px 30px rgba(0, 0, 0, 0.3);
}

/* Nav Links */
.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: linear-gradient(90deg, #c9a84c, #f5d78a);
    transition: width 0.3s ease;
}

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

/* Mobile Menu */
.mobile-link {
    position: relative;
}

/* Animations */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-12px); }
}

.animate-float {
    animation: float 4s ease-in-out infinite;
}

@keyframes pulse-slow {
    0%, 100% { opacity: 0.4; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(1.05); }
}

.animate-pulse-slow {
    animation: pulse-slow 5s ease-in-out infinite;
}

@keyframes scroll-line {
    0% { opacity: 0; transform: scaleY(0); transform-origin: top; }
    50% { opacity: 1; transform: scaleY(1); transform-origin: top; }
    51% { transform-origin: bottom; }
    100% { opacity: 0; transform: scaleY(0); transform-origin: bottom; }
}

.animate-scroll-line {
    animation: scroll-line 2s ease-in-out infinite;
}

/* Fade-in on scroll */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger children */
.fade-in-stagger > * {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1), transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-in-stagger.visible > *:nth-child(1) { transition-delay: 0.05s; }
.fade-in-stagger.visible > *:nth-child(2) { transition-delay: 0.1s; }
.fade-in-stagger.visible > *:nth-child(3) { transition-delay: 0.15s; }
.fade-in-stagger.visible > *:nth-child(4) { transition-delay: 0.2s; }
.fade-in-stagger.visible > *:nth-child(5) { transition-delay: 0.25s; }
.fade-in-stagger.visible > *:nth-child(6) { transition-delay: 0.3s; }

.fade-in-stagger.visible > * {
    opacity: 1;
    transform: translateY(0);
}

/* Focus styles */
input:focus,
select:focus,
textarea:focus {
    outline: none;
}

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

::-webkit-scrollbar-track {
    background: #0a1f14;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #c9a84c, #1a3a2a);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, #f5d78a, #2d6a4f);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    html {
        scroll-padding-top: 70px;
    }
}