/* ============================================
   JRG Motorcycle Repair — Custom Styles
   ============================================ */

/* --- Custom Properties --- */
:root {
    --color-emerald-50: #f0fdf4;
    --color-emerald-100: #dcfce7;
    --color-emerald-200: #bbf7d0;
    --color-emerald-300: #86efac;
    --color-emerald-400: #4ade80;
    --color-emerald-500: #22c55e;
    --color-emerald-600: #16a34a;
    --color-emerald-700: #15803d;
    --color-emerald-800: #166534;
    --color-emerald-900: #14532d;
    --color-emerald-950: #052e16;
    
    --color-cream-50: #fefdf8;
    --color-cream-100: #fdf9f0;
    --color-cream-200: #faf3e0;
    
    --font-serif: 'Cormorant Garamond', Georgia, serif;
    --font-sans: '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-sans);
    font-weight: 300;
    line-height: 1.6;
    color: var(--color-emerald-950);
    background-color: var(--color-cream-50);
    overflow-x: hidden;
}

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

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

/* --- Navigation --- */
.nav {
    background: transparent;
    border-bottom: 1px solid transparent;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav.scrolled {
    background: rgba(254, 253, 248, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom-color: rgba(21, 128, 61, 0.08);
    box-shadow: 0 1px 0 rgba(21, 128, 61, 0.05);
}

.nav-link {
    position: relative;
}

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

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

/* --- Mobile Menu --- */
.mobile-menu {
    transition: opacity 0.5s cubic-bezier(0.4, 0, 0.2, 1),
                pointer-events 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-menu.active {
    opacity: 1;
    pointer-events: all;
}

.mobile-menu-link {
    font-family: var(--font-serif);
    transition: color 0.3s ease;
}

.menu-line {
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                opacity 0.3s ease;
}

body.menu-open .menu-line:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
}

body.menu-open .menu-line:nth-child(2) {
    opacity: 0;
}

body.menu-open .menu-line:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
    width: 1.4rem;
}

/* --- Hero --- */
.hero {
    position: relative;
}

.hero-bg {
    transition: transform 8s ease-out;
}

.hero-img {
    transition: transform 8s ease-out;
}

.hero.loaded .hero-img {
    transform: scale(1);
}

.hero-content {
    will-change: transform;
}

.hero-tag {
    animation: fadeUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.3s both;
}

.hero-title {
    animation: fadeUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.5s both;
}

.hero-subtitle {
    animation: fadeUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.7s both;
}

.hero-buttons {
    animation: fadeUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.9s both;
}

.hero-scroll {
    animation: fadeIn 1s ease 1.5s both;
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(1.5rem);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

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

/* --- Section Headers --- */
.section-header {
    opacity: 0;
    transform: translateY(2rem);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* --- Service Cards --- */
.services-grid {
    opacity: 0;
    transform: translateY(2rem);
    transition: opacity 0.8s ease 0.2s, transform 0.8s ease 0.2s;
}

.services-grid.visible {
    opacity: 1;
    transform: translateY(0);
}

.service-card {
    transition: background-color 0.5s ease;
}

.service-card:hover .service-icon {
    transform: scale(1.1);
}

.service-icon {
    transition: transform 0.3s ease, color 0.5s ease;
}

/* --- Gallery --- */
.gallery-grid {
    opacity: 0;
    transform: translateY(2rem);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.gallery-grid.visible {
    opacity: 1;
    transform: translateY(0);
}

.gallery-item {
    overflow: hidden;
    border-radius: 0.75rem;
}

.gallery-img {
    transition: transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.gallery-item:hover .gallery-img {
    transform: scale(1.08);
}

/* --- Form Inputs --- */
.form-input {
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-input:focus {
    border-color: rgba(21, 128, 61, 0.5);
    box-shadow: 0 0 0 3px rgba(21, 128, 61, 0.1);
}

.form-input::placeholder {
    color: rgba(21, 128, 61, 0.3);
}

/* --- Submit Button --- */
.submit-btn {
    position: relative;
    overflow: hidden;
}

.submit-btn::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;
}

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

/* --- About Image --- */
.about-image {
    opacity: 0;
    transform: translateX(-2rem);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.about-image.visible {
    opacity: 1;
    transform: translateX(0);
}

/* --- Scroll Animations --- */
.scroll-reveal {
    opacity: 0;
    transform: translateY(2rem);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* --- Selection --- */
::selection {
    background: rgba(21, 128, 61, 0.2);
    color: var(--color-emerald-950);
}

/* --- Scrollbar --- */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--color-cream-50);
}

::-webkit-scrollbar-thumb {
    background: rgba(21, 128, 61, 0.3);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(21, 128, 61, 0.5);
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-title br {
        display: none;
    }
    
    .section-header h2 {
        font-size: 2.25rem;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .hero-title {
        font-size: 3.5rem;
    }
}

@media (min-width: 1025px) {
    .hero-title {
        font-size: 4rem;
    }
}