/* ============================================
   Mountain High Saunas - Premium Promo Site
   ============================================ */

:root {
    --color-bg: #0a0a0a;
    --color-surface: #141414;
    --color-surface-2: #1e1e1e;
    --color-gold: #c8a45e;
    --color-gold-light: #dfc088;
    --color-cream: #f5efe3;
    --color-text: #e8e2d6;
    --color-text-muted: #9a9389;
    --color-border: rgba(200, 164, 94, 0.15);
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, sans-serif;
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
}

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

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

body {
    font-family: var(--font-body);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

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

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

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

h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.2;
}

h2 {
    font-size: clamp(2rem, 4vw, 3.2rem);
    color: var(--color-cream);
    margin-bottom: 1.2rem;
}

h3 {
    font-size: 1.3rem;
    color: var(--color-cream);
    margin-bottom: 0.6rem;
}

.section-label {
    display: inline-block;
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-gold);
    margin-bottom: 1rem;
}

.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 4rem;
}

.section-header p {
    color: var(--color-text-muted);
    font-size: 1.1rem;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.9rem 2.2rem;
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    border: none;
    cursor: pointer;
    transition: all 0.4s var(--ease-out);
    white-space: nowrap;
}

.btn-primary {
    background: var(--color-gold);
    color: var(--color-bg);
}

.btn-primary:hover {
    background: var(--color-gold-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(200, 164, 94, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--color-cream);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-outline:hover {
    border-color: var(--color-gold);
    color: var(--color-gold);
    transform: translateY(-2px);
}

.btn-full {
    width: 100%;
}

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

#navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1.5rem 0;
    transition: all 0.4s var(--ease-out);
}

#navbar.scrolled {
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 0.8rem 0;
    border-bottom: 1px solid var(--color-border);
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo img {
    height: 50px;
    width: auto;
    object-fit: contain;
    border-radius: 4px;
    transition: height 0.4s var(--ease-out);
}

#navbar.scrolled .nav-logo img {
    height: 38px;
}

.nav-links {
    display: flex;
    align-items: center;
    list-style: none;
    gap: 2.5rem;
}

.nav-links a {
    font-size: 0.82rem;
    font-weight: 400;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.8);
    transition: color 0.3s;
    position: relative;
}

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

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

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

.nav-cta {
    padding: 0.6rem 1.5rem !important;
    border: 1px solid var(--color-gold) !important;
    color: var(--color-gold) !important;
}

.nav-cta::after {
    display: none !important;
}

.nav-cta:hover {
    background: var(--color-gold) !important;
    color: var(--color-bg) !important;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-cream);
    transition: all 0.3s;
}

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

#hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    transform: scale(1.1);
    animation: heroZoom 20s var(--ease-in-out) forwards;
}

@keyframes heroZoom {
    to { transform: scale(1); }
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to bottom,
        rgba(0, 0, 0, 0.3) 0%,
        rgba(0, 0, 0, 0.1) 40%,
        rgba(0, 0, 0, 0.5) 80%,
        rgba(10, 10, 10, 1) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    padding: 0 2rem;
    animation: fadeUp 1.2s var(--ease-out) 0.3s both;
}

.hero-logo {
    width: 220px;
    height: auto;
    margin: 0 auto 2rem;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.hero-tagline {
    font-family: var(--font-display);
    font-size: clamp(1.1rem, 2.5vw, 1.5rem);
    font-weight: 400;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2.5rem;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.scroll-indicator {
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.8rem;
    animation: fadeUp 1.2s var(--ease-out) 1s both;
}

.scroll-indicator span {
    font-size: 0.65rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.5);
}

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

@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; transform: scaleY(0.6); }
    50% { opacity: 1; transform: scaleY(1); }
}

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

#about {
    padding: 8rem 0;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
}

.about-image {
    position: relative;
    overflow: hidden;
    border-radius: 4px;
}

.about-image::after {
    content: '';
    position: absolute;
    inset: 0;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    pointer-events: none;
}

.about-image img {
    width: 100%;
    height: 550px;
    object-fit: cover;
    transition: transform 0.8s var(--ease-out);
}

.about-image:hover img {
    transform: scale(1.03);
}

.about-content p {
    color: var(--color-text-muted);
    margin-bottom: 1.2rem;
    font-size: 1.02rem;
}

.about-stats {
    display: flex;
    gap: 3rem;
    margin-top: 2.5rem;
    padding-top: 2.5rem;
    border-top: 1px solid var(--color-border);
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--color-gold);
    line-height: 1;
}

.stat-suffix {
    font-family: var(--font-display);
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--color-gold);
    line-height: 1;
}

.stat-label {
    font-size: 0.78rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-top: 0.4rem;
}

/* ============================================
   Builds Gallery
   ============================================ */

#builds {
    padding: 8rem 0;
    background: var(--color-surface);
}

.builds-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.build-card {
    position: relative;
    overflow: hidden;
    border-radius: 4px;
    cursor: pointer;
    aspect-ratio: 4/3;
}

.build-card.build-large {
    grid-column: span 2;
}

.build-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s var(--ease-out);
}

.build-card:hover img {
    transform: scale(1.05);
}

.build-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 2rem;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.85) 0%, transparent 100%);
    transform: translateY(20px);
    opacity: 0;
    transition: all 0.5s var(--ease-out);
}

.build-card:hover .build-info {
    transform: translateY(0);
    opacity: 1;
}

.build-info h3 {
    font-size: 1.2rem;
    margin-bottom: 0.3rem;
}

.build-info p {
    font-size: 0.88rem;
    color: var(--color-text-muted);
}

/* ============================================
   Interiors Section
   ============================================ */

#interiors {
    padding: 8rem 0;
}

.interiors-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: 280px;
    gap: 1rem;
}

.interior-card {
    position: relative;
    overflow: hidden;
    border-radius: 4px;
    cursor: pointer;
}

.interior-card:nth-child(1) {
    grid-column: span 2;
    grid-row: span 2;
}

.interior-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s var(--ease-out), filter 0.5s;
}

.interior-card:hover img {
    transform: scale(1.05);
    filter: brightness(1.1);
}

.interior-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0);
    transition: background 0.4s;
}

.interior-card:hover::after {
    background: rgba(200, 164, 94, 0.08);
}

/* ============================================
   Image Break
   ============================================ */

.image-break {
    position: relative;
    height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.image-break-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center top;
    background-attachment: fixed;
}

.image-break-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
}

.image-break-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 0 2rem;
}

.image-break-content h2 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    color: white;
    text-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

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

#process {
    padding: 8rem 0;
    background: var(--color-surface);
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.process-step {
    padding: 2.5rem 2rem;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    transition: all 0.4s var(--ease-out);
    position: relative;
}

.process-step:hover {
    border-color: var(--color-gold);
    transform: translateY(-4px);
    background: var(--color-surface-2);
}

.step-number {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-gold);
    opacity: 0.25;
    line-height: 1;
    margin-bottom: 1.5rem;
}

.process-step:hover .step-number {
    opacity: 0.5;
}

.process-step p {
    color: var(--color-text-muted);
    font-size: 0.92rem;
}

/* ============================================
   Features Section
   ============================================ */

#features {
    padding: 6rem 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.feature {
    text-align: center;
    padding: 2rem;
}

.feature-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 1.5rem;
    color: var(--color-gold);
}

.feature-icon svg {
    width: 100%;
    height: 100%;
}

.feature p {
    color: var(--color-text-muted);
    font-size: 0.92rem;
}

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

#contact {
    padding: 8rem 0;
    background: var(--color-surface);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: start;
}

.contact-content p {
    color: var(--color-text-muted);
    margin-bottom: 2rem;
    font-size: 1.05rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--color-text-muted);
}

.contact-item svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    color: var(--color-gold);
}

.contact-form-wrapper {
    background: var(--color-surface-2);
    padding: 3rem;
    border-radius: 4px;
    border: 1px solid var(--color-border);
}

.form-group {
    position: relative;
    margin-bottom: 1.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem 0 0.6rem;
    background: transparent;
    border: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
    color: var(--color-cream);
    font-family: var(--font-body);
    font-size: 0.95rem;
    outline: none;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--color-gold);
}

.form-group label {
    position: absolute;
    top: 1rem;
    left: 0;
    font-size: 0.9rem;
    color: var(--color-text-muted);
    pointer-events: none;
    transition: all 0.3s var(--ease-out);
}

.form-group input:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group textarea:focus + label,
.form-group textarea:not(:placeholder-shown) + label {
    top: -0.4rem;
    font-size: 0.7rem;
    color: var(--color-gold);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.form-group select {
    width: 100%;
    padding: 1rem 0 0.6rem;
    background: transparent;
    border: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
    color: var(--color-text-muted);
    font-family: var(--font-body);
    font-size: 0.95rem;
    outline: none;
    cursor: pointer;
    -webkit-appearance: none;
    transition: border-color 0.3s;
}

.form-group select:focus {
    border-color: var(--color-gold);
}

.form-group select option {
    background: var(--color-surface-2);
    color: var(--color-text);
}

#contact-form .btn {
    margin-top: 0.5rem;
}

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

footer {
    padding: 5rem 0 2rem;
    border-top: 1px solid var(--color-border);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 4rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid var(--color-border);
}

.footer-logo {
    width: 140px;
    border-radius: 6px;
    margin-bottom: 1rem;
}

.footer-brand p {
    color: var(--color-text-muted);
    font-size: 0.92rem;
    max-width: 300px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.footer-links h4 {
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-gold);
    margin-bottom: 0.5rem;
}

.footer-links a {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    transition: color 0.3s;
}

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

.footer-bottom {
    padding-top: 2rem;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

/* ============================================
   Lightbox
   ============================================ */

.lightbox {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(0, 0, 0, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s var(--ease-out);
}

.lightbox.active {
    opacity: 1;
    visibility: visible;
}

.lightbox-img {
    max-width: 90vw;
    max-height: 90vh;
    object-fit: contain;
    border-radius: 4px;
    transform: scale(0.9);
    transition: transform 0.4s var(--ease-out);
}

.lightbox.active .lightbox-img {
    transform: scale(1);
}

.lightbox-close {
    position: absolute;
    top: 2rem;
    right: 2rem;
    background: none;
    border: none;
    color: white;
    font-size: 2.5rem;
    cursor: pointer;
    transition: color 0.3s;
    line-height: 1;
}

.lightbox-close:hover {
    color: var(--color-gold);
}

.lightbox-prev,
.lightbox-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: white;
    font-size: 3rem;
    cursor: pointer;
    transition: color 0.3s;
    padding: 1rem;
}

.lightbox-prev { left: 1.5rem; }
.lightbox-next { right: 1.5rem; }

.lightbox-prev:hover,
.lightbox-next:hover {
    color: var(--color-gold);
}

/* ============================================
   Animations
   ============================================ */

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

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

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

@media (max-width: 1024px) {
    .process-steps {
        grid-template-columns: repeat(2, 1fr);
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .builds-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .build-card.build-large {
        grid-column: span 2;
    }

    .interiors-grid {
        grid-template-columns: repeat(3, 1fr);
        grid-auto-rows: 240px;
    }

    .interior-card:nth-child(1) {
        grid-column: span 2;
        grid-row: span 2;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        height: 100vh;
        width: 280px;
        background: var(--color-surface);
        flex-direction: column;
        justify-content: center;
        gap: 2rem;
        padding: 2rem;
        transition: right 0.4s var(--ease-out);
        border-left: 1px solid var(--color-border);
    }

    .nav-links.open {
        right: 0;
    }

    .nav-toggle {
        display: flex;
        z-index: 1001;
    }

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

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

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

    .about-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .about-image img {
        height: 400px;
    }

    .about-stats {
        gap: 2rem;
    }

    .builds-grid {
        grid-template-columns: 1fr;
    }

    .build-card.build-large {
        grid-column: span 1;
    }

    .build-info {
        transform: translateY(0);
        opacity: 1;
    }

    .interiors-grid {
        grid-template-columns: repeat(2, 1fr);
        grid-auto-rows: 200px;
    }

    .interior-card:nth-child(1) {
        grid-column: span 2;
        grid-row: span 1;
    }

    .process-steps {
        grid-template-columns: 1fr;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .image-break {
        height: 50vh;
    }

    .image-break-bg {
        background-attachment: scroll;
    }

    .hero-logo {
        width: 160px;
    }

    .stat-number, .stat-suffix {
        font-size: 2.2rem;
    }
}

@media (max-width: 480px) {
    h2 {
        font-size: 1.8rem;
    }

    .hero-tagline {
        font-size: 1rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .about-stats {
        flex-direction: column;
        gap: 1.5rem;
    }

    .interiors-grid {
        grid-template-columns: 1fr;
    }

    .interior-card:nth-child(1) {
        grid-column: span 1;
    }

    .contact-form-wrapper {
        padding: 2rem 1.5rem;
    }
}