/* ============================================
   Golden Grounds — Styles
   Clean minimalist · Midnight blue + mint
   ============================================ */

*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --midnight: #0A1628;
    --midnight-light: #132240;
    --midnight-mid: #1A2F52;
    --mint: #34D4A0;
    --mint-light: #5EE8BC;
    --mint-pale: #E8FBF3;
    --white: #FFFFFF;
    --off-white: #F8FAFB;
    --cream: #F1F5F7;
    --gray-100: #E8EEF2;
    --gray-200: #C8D4DC;
    --gray-300: #9AB0BE;
    --gray-400: #6B8294;
    --gray-500: #4A6274;
    --text-dark: #0A1628;
    --text-light: #F8FAFB;
    --text-muted: #6B8294;
    
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;
    
    --nav-height: 72px;
    --section-padding: clamp(80px, 12vw, 140px);
    --container-max: 1200px;
    
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    font-weight: 300;
    color: var(--text-dark);
    background: var(--white);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

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

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 clamp(24px, 4vw, 56px);
}

/* ============================================
   Typography
   ============================================ */

h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 400;
    line-height: 1.2;
    letter-spacing: -0.01em;
}

.section-label {
    display: inline-block;
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--mint);
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3.2rem);
    color: var(--midnight);
    margin-bottom: 24px;
}

.section-sub {
    font-size: clamp(1rem, 1.5vw, 1.15rem);
    color: var(--text-muted);
    max-width: 560px;
    line-height: 1.8;
}

/* ============================================
   Buttons
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 400;
    letter-spacing: 0.04em;
    border-radius: var(--radius-sm);
    transition: all 0.3s ease;
    white-space: nowrap;
}

.btn-primary {
    background: var(--mint);
    color: var(--midnight);
    border: 1px solid var(--mint);
}

.btn-primary:hover {
    background: var(--mint-light);
    border-color: var(--mint-light);
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(52, 212, 160, 0.25);
}

.btn-ghost {
    background: transparent;
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.35);
}

.btn-ghost:hover {
    border-color: var(--white);
    background: rgba(255, 255, 255, 0.08);
}

.btn-full {
    width: 100%;
}

/* ============================================
   Navigation
   ============================================ */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--nav-height);
    transition: all 0.4s ease;
}

.nav.scrolled {
    background: rgba(10, 22, 40, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.06);
}

.nav-inner {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 clamp(24px, 4vw, 56px);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-display);
    font-size: 1.15rem;
    color: var(--white);
    letter-spacing: 0.01em;
}

.nav-logo-icon {
    color: var(--mint);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: clamp(24px, 3vw, 40px);
}

.nav-links a {
    font-size: 0.8125rem;
    font-weight: 400;
    letter-spacing: 0.06em;
    color: rgba(255, 255, 255, 0.7);
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: var(--white);
}

.nav-cta {
    color: var(--mint) !important;
    border: 1px solid rgba(52, 212, 160, 0.4);
    padding: 8px 20px;
    border-radius: var(--radius-sm);
    transition: all 0.3s ease !important;
}

.nav-cta:hover {
    background: rgba(52, 212, 160, 0.1);
    border-color: var(--mint);
}

/* Mobile menu button */
.nav-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
}

.nav-menu-btn span {
    display: block;
    width: 22px;
    height: 1.5px;
    background: var(--white);
    transition: all 0.3s ease;
    transform-origin: center;
}

.nav-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(4px, 5px);
}

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

.nav-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(4px, -5px);
}

/* Mobile menu */
.mobile-menu {
    position: fixed;
    inset: 0;
    z-index: 999;
    background: var(--midnight);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 32px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
}

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

.mobile-menu-link {
    font-family: var(--font-display);
    font-size: 1.75rem;
    color: var(--white);
    transition: color 0.3s ease;
}

.mobile-menu-link:hover {
    color: var(--mint);
}

.mobile-menu-close {
    position: absolute;
    top: 24px;
    right: clamp(24px, 4vw, 56px);
    color: var(--white);
    padding: 8px;
}

/* ============================================
   Hero
   ============================================ */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        rgba(10, 22, 40, 0.72) 0%,
        rgba(10, 22, 40, 0.58) 40%,
        rgba(10, 22, 40, 0.78) 100%
    );
}

.hero-scrim {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, transparent 0%, rgba(10, 22, 40, 0.3) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    padding: 0 clamp(24px, 4vw, 56px);
    padding-top: var(--nav-height);
}

.hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--mint);
    margin-bottom: 32px;
}

.hero-tag-line {
    width: 32px;
    height: 1px;
    background: var(--mint);
}

.hero-headline {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    color: var(--white);
    font-weight: 400;
    margin-bottom: 28px;
    line-height: 1.15;
}

.hero-headline em {
    font-style: italic;
    color: var(--mint-light);
}

.hero-sub {
    font-size: clamp(1rem, 1.5vw, 1.125rem);
    color: rgba(255, 255, 255, 0.72);
    line-height: 1.85;
    max-width: 560px;
    margin: 0 auto 44px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.6875rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, rgba(255,255,255,0.4), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 1; transform: scaleY(1); }
    50% { opacity: 0.4; transform: scaleY(0.7); }
}

/* ============================================
   About
   ============================================ */

.about {
    padding: var(--section-padding) 0;
    background: var(--white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(40px, 6vw, 80px);
    align-items: center;
}

.about-image {
    border-radius: var(--radius-md);
    overflow: hidden;
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    aspect-ratio: 4/5;
}

.about-text {
    font-size: clamp(0.9375rem, 1.2vw, 1.0625rem);
    color: var(--gray-500);
    line-height: 1.85;
    margin-bottom: 20px;
}

.about-stats {
    display: flex;
    align-items: center;
    gap: clamp(20px, 3vw, 40px);
    margin-top: 40px;
    padding-top: 40px;
    border-top: 1px solid var(--gray-100);
}

.stat {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 1.75rem;
    color: var(--midnight);
}

.stat-label {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--gray-100);
}

/* ============================================
   Products
   ============================================ */

.products {
    padding: var(--section-padding) 0;
    background: var(--off-white);
}

.section-header {
    text-align: center;
    margin-bottom: clamp(48px, 6vw, 72px);
}

.section-header .section-sub {
    margin: 0 auto;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: clamp(24px, 3vw, 40px);
}

.product-card {
    background: var(--white);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all 0.4s ease;
    border: 1px solid var(--gray-100);
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(10, 22, 40, 0.08);
    border-color: transparent;
}

.product-image {
    overflow: hidden;
    aspect-ratio: 5/4;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

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

.product-info {
    padding: clamp(20px, 3vw, 32px);
}

.product-info h3 {
    font-size: 1.375rem;
    color: var(--midnight);
    margin-bottom: 10px;
}

.product-info p {
    font-size: 0.9375rem;
    color: var(--text-muted);
    line-height: 1.75;
    margin-bottom: 16px;
}

.product-tag {
    display: inline-block;
    font-size: 0.6875rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--mint);
    background: var(--mint-pale);
    padding: 6px 14px;
    border-radius: 100px;
}

/* ============================================
   Process
   ============================================ */

.process {
    padding: var(--section-padding) 0;
    background: var(--midnight);
}

.process .section-label {
    color: var(--mint);
}

.process .section-title {
    color: var(--white);
}

.process .section-header {
    text-align: center;
    margin-bottom: clamp(48px, 6vw, 80px);
}

.process-timeline {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    position: relative;
}

.process-step {
    padding: clamp(24px, 3vw, 40px);
    position: relative;
}

.process-number {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 400;
    color: rgba(52, 212, 160, 0.15);
    line-height: 1;
    margin-bottom: 20px;
}

.process-step h3 {
    font-size: 1.25rem;
    color: var(--white);
    margin-bottom: 14px;
}

.process-step p {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.55);
    line-height: 1.8;
}

.process-connector {
    display: flex;
    align-items: center;
    justify-content: center;
}

.process-connector::before {
    content: '';
    width: 1px;
    height: 48px;
    background: linear-gradient(to bottom, rgba(52, 212, 160, 0.3), rgba(52, 212, 160, 0.05));
}

/* ============================================
   Visit
   ============================================ */

.visit {
    padding: var(--section-padding) 0;
    background: var(--white);
}

.visit-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(40px, 6vw, 80px);
    align-items: center;
}

.visit-image {
    border-radius: var(--radius-md);
    overflow: hidden;
}

.visit-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    aspect-ratio: 6/5;
}

.visit-content .section-title {
    margin-bottom: 32px;
}

.visit-details {
    display: flex;
    flex-direction: column;
    gap: 28px;
    margin-bottom: 36px;
}

.visit-detail {
    display: flex;
    gap: 16px;
}

.visit-icon {
    flex-shrink: 0;
    color: var(--mint);
    margin-top: 2px;
}

.visit-detail strong {
    display: block;
    font-family: var(--font-body);
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--midnight);
    margin-bottom: 4px;
}

.visit-detail p {
    font-size: 0.9375rem;
    color: var(--text-muted);
    line-height: 1.7;
}

.visit-detail a {
    color: var(--mint);
    transition: color 0.3s ease;
}

.visit-detail a:hover {
    color: var(--mint-light);
}

/* ============================================
   Contact
   ============================================ */

.contact {
    padding: var(--section-padding) 0;
    background: var(--cream);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(40px, 6vw, 80px);
    align-items: start;
}

.contact-text {
    font-size: clamp(0.9375rem, 1.2vw, 1.0625rem);
    color: var(--text-muted);
    line-height: 1.85;
    margin-bottom: 32px;
}

.contact-direct {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.contact-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9375rem;
    color: var(--midnight);
    transition: color 0.3s ease;
}

.contact-link:hover {
    color: var(--mint);
}

.contact-sep {
    color: var(--gray-200);
}

.contact-form-wrap {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: clamp(28px, 4vw, 48px);
    border: 1px solid var(--gray-100);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--gray-500);
}

.form-group input,
.form-group select,
.form-group textarea {
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 300;
    color: var(--midnight);
    background: var(--off-white);
    border: 1px solid var(--gray-100);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    outline: none;
    transition: all 0.3s ease;
    width: 100%;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--mint);
    background: var(--white);
    box-shadow: 0 0 0 3px rgba(52, 212, 160, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--gray-300);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-success {
    display: none;
    align-items: center;
    gap: 10px;
    padding: 16px 20px;
    background: var(--mint-pale);
    border: 1px solid var(--mint);
    border-radius: var(--radius-sm);
    color: var(--midnight);
    font-size: 0.9375rem;
}

.form-success.show {
    display: flex;
}

.form-success svg {
    color: var(--mint);
    flex-shrink: 0;
}

/* ============================================
   Footer
   ============================================ */

.footer {
    background: var(--midnight);
    padding: clamp(60px, 8vw, 80px) 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: clamp(32px, 4vw, 56px);
    padding-bottom: clamp(48px, 6vw, 64px);
}

.footer-brand p {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.45);
    line-height: 1.75;
    margin-top: 16px;
    max-width: 260px;
}

.footer-brand .nav-logo {
    margin-bottom: 0;
}

.footer-links h4 {
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.35);
    margin-bottom: 20px;
}

.footer-links a,
.footer-links span {
    display: block;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
    padding: 6px 0;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--mint);
}

.footer-links p {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.75;
}

.footer-links a {
    color: var(--mint);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.07);
    padding: 24px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.footer-bottom p {
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.3);
}

/* ============================================
   Scroll Reveal (progressive enhancement)
   ============================================ */

@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.7s ease, transform 0.7s ease;
    }
    
    .reveal.revealed {
        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; }
}

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 1024px) {
    .process-timeline {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .process-connector {
        display: none;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --nav-height: 64px;
    }
    
    .nav-links {
        display: none;
    }
    
    .nav-menu-btn {
        display: flex;
    }
    
    .hero-headline {
        font-size: clamp(2rem, 8vw, 3rem);
    }
    
    .about-grid,
    .visit-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .about-image {
        order: -1;
    }
    
    .about-image img {
        aspect-ratio: 16/9;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .process-timeline {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 36px;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-scroll {
        bottom: 24px;
    }
}

@media (max-width: 480px) {
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-actions .btn {
        width: 100%;
    }
    
    .about-stats {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
    }
    
    .stat-divider {
        width: 40px;
        height: 1px;
    }
}