/* ============================================
   Galaxy Tinting — Custom Styles
   ============================================ */

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

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

body {
    overflow-x: hidden;
}

::selection {
    background: rgba(13, 148, 136, 0.3);
    color: #f1f5f9;
}

/* ============================================
   Navigation
   ============================================ */
#nav {
    background: transparent;
    transition: background 0.4s ease, box-shadow 0.4s ease, backdrop-filter 0.4s ease;
}

#nav.scrolled {
    background: rgba(8, 14, 26, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(100, 116, 139, 0.1);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: #2dd4bf;
    transition: width 0.3s ease;
}

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

/* Mobile Menu */
#mobile-menu.open {
    opacity: 1 !important;
    pointer-events: all !important;
}

#mobile-menu.open .mobile-link {
    animation: fadeUp 0.4s ease forwards;
    opacity: 0;
}

#mobile-menu.open .mobile-link:nth-child(1) { animation-delay: 0.05s; }
#mobile-menu.open .mobile-link:nth-child(2) { animation-delay: 0.1s; }
#mobile-menu.open .mobile-link:nth-child(3) { animation-delay: 0.15s; }
#mobile-menu.open .mobile-link:nth-child(4) { animation-delay: 0.2s; }

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Menu button animation */
.menu-btn.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(3px, 3px);
}

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

.menu-btn.active .menu-line:nth-child(3) {
    width: 24px;
    transform: rotate(-45deg) translate(3px, -3px);
}

/* ============================================
   Hero Section
   ============================================ */
.hero-eyebrow {
    animation: fadeUp 0.8s ease 0.2s forwards;
}

.hero-title {
    animation: fadeUp 0.8s ease 0.35s forwards;
}

.hero-subtitle {
    animation: fadeUp 0.8s ease 0.5s forwards;
}

.hero-cta {
    animation: fadeUp 0.8s ease 0.65s forwards;
}

.hero-stats {
    animation: fadeUp 0.8s ease 0.8s forwards;
}

.hero-image {
    animation: fadeUp 0.8s ease 0.4s forwards;
}

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

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

#scroll-indicator {
    animation: fadeUp 0.8s ease 1s forwards;
}

/* ============================================
   Buttons
   ============================================ */
.cta-primary {
    position: relative;
    overflow: hidden;
}

.cta-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, transparent 50%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.cta-secondary {
    position: relative;
}

/* ============================================
   Services
   ============================================ */
.service-card {
    position: relative;
    transition: all 0.4s ease;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, #0d9488, #2dd4bf);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card:hover .service-icon {
    transform: scale(1.05);
}

.service-icon {
    transition: transform 0.4s ease, opacity 0.4s ease;
}

/* ============================================
   Section Headers
   ============================================ */
.section-header {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.section-header.visible {
    opacity: 1;
    transform: translateY(0);
}

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

.gallery-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(8, 14, 26, 0);
    transition: background 0.3s ease;
}

.gallery-item:hover::after {
    background: rgba(8, 14, 26, 0.15);
}

.gallery-item {
    position: relative;
    overflow: hidden;
}

/* ============================================
   Contact Form
   ============================================ */
input:focus,
select:focus,
textarea:focus {
    border-color: #0d9488 !important;
    box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.15);
}

/* ============================================
   Scroll Animations
   ============================================ */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.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; }

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.75rem;
    }

    .hero-title br {
        display: none;
    }

    .hero-float {
        display: none;
    }

    .hero-stats {
        gap: 6px !important;
    }

    .section-header h2 {
        font-size: 2.25rem;
    }

    .services-grid {
        gap: 0;
    }
}

@media (max-width: 640px) {
    .hero-title {
        font-size: 2.25rem;
    }

    .cta-primary,
    .cta-secondary {
        width: 100%;
        justify-content: center;
    }
}

/* ============================================
   Utility
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }
}