/* ============================================
   Smoke Signals Vapor — Custom Styles
   Teal + Slate Grey | Clean Minimalist
   ============================================ */

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

:root {
    --teal-50: #f0fdfa;
    --teal-100: #ccfbf1;
    --teal-200: #99f6e4;
    --teal-300: #5eead4;
    --teal-400: #2dd4bf;
    --teal-500: #14b8a6;
    --teal-600: #0d9488;
    --teal-700: #0f766e;
    --teal-800: #115e59;
    --teal-900: #134e4a;

    --slate-50: #f8fafc;
    --slate-100: #f1f5f9;
    --slate-200: #e2e8f0;
    --slate-300: #cbd5e1;
    --slate-400: #94a3b8;
    --slate-500: #64748b;
    --slate-600: #475569;
    --slate-700: #334155;
    --slate-800: #1e293b;
    --slate-900: #0f172a;
    --slate-950: #020617;

    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-serif: 'Playfair Display', Georgia, serif;

    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;
    --space-4xl: 8rem;

    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 20px;

    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: var(--font-sans);
    font-weight: 300;
    line-height: 1.7;
    color: var(--slate-800);
    background-color: #ffffff;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    color: var(--teal-600);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover {
    color: var(--teal-700);
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

/* ============================================
   HEADER
   ============================================ */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--slate-200);
    transition: box-shadow var(--transition);
}

.site-header.scrolled {
    box-shadow: 0 1px 20px rgba(0, 0, 0, 0.06);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--slate-900);
    font-weight: 500;
    font-size: 1.05rem;
    letter-spacing: -0.01em;
    text-decoration: none;
}

.logo:hover {
    color: var(--teal-600);
}

.logo-icon {
    color: var(--teal-600);
}

.logo-text {
    font-family: var(--font-serif);
    font-weight: 500;
    font-style: italic;
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: var(--space-xl);
}

.main-nav a {
    color: var(--slate-600);
    font-size: 0.875rem;
    font-weight: 400;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    position: relative;
    padding: 4px 0;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--teal-600);
    transition: width var(--transition);
}

.main-nav a:hover {
    color: var(--teal-600);
}

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

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

.nav-toggle-line {
    display: block;
    width: 22px;
    height: 1.5px;
    background: var(--slate-700);
    transition: var(--transition);
    transform-origin: center;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(1) {
    transform: rotate(45deg) translate(4px, 5px);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(2) {
    opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(3) {
    transform: rotate(-45deg) translate(4px, -5px);
}

/* ============================================
   HERO
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: var(--slate-950);
}

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

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.35;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(2, 6, 23, 0.88) 0%,
        rgba(15, 23, 42, 0.82) 50%,
        rgba(17, 94, 89, 0.7) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    padding: var(--space-4xl) var(--space-lg);
}

.hero-eyebrow {
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--teal-400);
    margin-bottom: var(--space-lg);
}

.hero-headline {
    font-family: var(--font-serif);
    font-size: clamp(2.4rem, 6vw, 4.5rem);
    font-weight: 500;
    line-height: 1.15;
    color: #ffffff;
    margin-bottom: var(--space-lg);
    letter-spacing: -0.02em;
}

.hero-headline em {
    font-style: italic;
    color: var(--teal-300);
}

.hero-sub {
    font-size: 1.1rem;
    color: var(--slate-300);
    max-width: 560px;
    margin: 0 auto var(--space-xl);
    line-height: 1.8;
    font-weight: 300;
}

.hero-actions {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
}

.btn-primary {
    background: var(--teal-600);
    color: #ffffff;
    border-color: var(--teal-600);
}

.btn-primary:hover {
    background: var(--teal-700);
    border-color: var(--teal-700);
    color: #ffffff;
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(13, 148, 136, 0.3);
}

.btn-ghost {
    background: transparent;
    color: var(--slate-200);
    border-color: var(--slate-600);
}

.btn-ghost:hover {
    border-color: var(--teal-400);
    color: var(--teal-300);
    transform: translateY(-1px);
}

.btn-full {
    width: 100%;
}

/* Scroll indicator */
.scroll-indicator {
    position: absolute;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
    color: var(--slate-400);
    animation: float 2.5s ease-in-out infinite;
}

.scroll-indicator:hover {
    color: var(--teal-400);
}

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

/* ============================================
   SECTION DIVIDER
   ============================================ */
.section-divider {
    padding: 0 var(--space-lg);
}

.divider-line {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--slate-200), transparent);
}

/* ============================================
   FEATURES
   ============================================ */
.features {
    padding: var(--space-4xl) 0;
    background: var(--slate-50);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
}

.feature-card {
    padding: var(--space-xl);
    background: #ffffff;
    border-radius: var(--radius-lg);
    border: 1px solid var(--slate-200);
    transition: all var(--transition);
}

.feature-card:hover {
    border-color: var(--teal-200);
    box-shadow: 0 8px 32px rgba(13, 148, 136, 0.08);
    transform: translateY(-2px);
}

.feature-icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background: var(--teal-50);
    color: var(--teal-600);
    margin-bottom: var(--space-md);
}

.feature-card h3 {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--slate-900);
    margin-bottom: var(--space-xs);
    letter-spacing: -0.01em;
}

.feature-card p {
    font-size: 0.9375rem;
    color: var(--slate-500);
    line-height: 1.7;
}

/* ============================================
   SECTION HEADERS
   ============================================ */
.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--space-3xl);
}

.section-eyebrow {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--teal-600);
    margin-bottom: var(--space-sm);
}

.section-title {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 500;
    color: var(--slate-900);
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-md);
}

.section-sub {
    font-size: 1.05rem;
    color: var(--slate-500);
    line-height: 1.7;
}

/* ============================================
   PRODUCTS
   ============================================ */
.products {
    padding: var(--space-4xl) 0;
    background: #ffffff;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
}

.product-card {
    display: grid;
    grid-template-columns: 1fr;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--slate-200);
    transition: all var(--transition);
    background: #ffffff;
}

.product-card:hover {
    border-color: var(--teal-200);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
}

.product-img {
    overflow: hidden;
    aspect-ratio: 3/2;
}

.product-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.product-info {
    padding: var(--space-lg);
}

.product-info h3 {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    font-weight: 500;
    color: var(--slate-900);
    margin-bottom: var(--space-xs);
}

.product-info p {
    font-size: 0.9375rem;
    color: var(--slate-500);
    line-height: 1.7;
}

/* ============================================
   ABOUT
   ============================================ */
.about {
    padding: var(--space-4xl) 0;
    background: var(--slate-50);
}

.about-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.about-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 7/9;
}

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

.about-content .section-eyebrow {
    text-align: left;
}

.about-content .section-title {
    text-align: left;
    margin-bottom: var(--space-lg);
}

.about-body {
    font-size: 1rem;
    color: var(--slate-600);
    line-height: 1.8;
    margin-bottom: var(--space-md);
}

.about-stats {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    margin-top: var(--space-xl);
    padding-top: var(--space-xl);
    border-top: 1px solid var(--slate-200);
}

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

.stat-number {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 500;
    color: var(--teal-600);
    line-height: 1;
}

.stat-label {
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--slate-500);
}

.stat-divider {
    width: 1px;
    height: 48px;
    background: var(--slate-200);
}

/* ============================================
   VISIT
   ============================================ */
.visit {
    padding: var(--space-4xl) 0;
    background: #ffffff;
}

.visit-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: start;
}

.visit-info .section-eyebrow {
    text-align: left;
}

.visit-info .section-title {
    text-align: left;
    margin-bottom: var(--space-lg);
}

.visit-address {
    font-style: normal;
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-bottom: var(--space-lg);
}

.visit-address strong {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--slate-900);
}

.visit-address span {
    font-size: 1rem;
    color: var(--slate-500);
}

.visit-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.visit-detail {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.95rem;
    color: var(--slate-600);
}

.visit-detail svg {
    color: var(--teal-600);
    flex-shrink: 0;
}

.visit-detail a {
    color: var(--slate-700);
}

.visit-detail a:hover {
    color: var(--teal-600);
}

.visit-map {
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--slate-200);
}

.map-link {
    display: block;
    position: relative;
    overflow: hidden;
}

.map-link img {
    width: 100%;
    aspect-ratio: 7/5;
    object-fit: cover;
}

.map-link-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: rgba(2, 6, 23, 0.6);
    color: #ffffff;
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    opacity: 0;
    transition: opacity var(--transition);
}

.map-link:hover .map-link-overlay {
    opacity: 1;
}

/* ============================================
   CONTACT
   ============================================ */
.contact {
    padding: var(--space-4xl) 0;
    background: var(--slate-950);
}

.contact .section-eyebrow {
    color: var(--teal-400);
}

.contact .section-title {
    color: #ffffff;
}

.contact .section-sub {
    color: var(--slate-400);
}

.contact-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--space-3xl);
}

.contact-layout {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--space-3xl);
    align-items: start;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--slate-400);
}

.form-group input,
.form-group textarea {
    font-family: var(--font-sans);
    font-size: 0.95rem;
    font-weight: 300;
    color: #ffffff;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--slate-700);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    outline: none;
    transition: border-color var(--transition);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--slate-500);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--teal-500);
    background: rgba(255, 255, 255, 0.08);
}

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

.form-success {
    display: none;
    align-items: center;
    gap: 10px;
    padding: var(--space-md);
    background: rgba(13, 148, 136, 0.15);
    border: 1px solid var(--teal-700);
    border-radius: var(--radius-sm);
    color: var(--teal-300);
    font-size: 0.9375rem;
}

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

.contact-sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.contact-card {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--slate-800);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
}

.contact-card h4 {
    font-family: var(--font-serif);
    font-size: 1.15rem;
    font-weight: 500;
    color: #ffffff;
    margin-bottom: var(--space-lg);
}

.contact-card p {
    font-size: 0.9375rem;
    color: var(--slate-400);
    line-height: 1.8;
    margin-bottom: var(--space-md);
}

.contact-card p:last-child {
    margin-bottom: 0;
}

.contact-card strong {
    color: var(--slate-300);
    display: block;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 4px;
}

.contact-card a {
    color: var(--teal-400);
}

.contact-card a:hover {
    color: var(--teal-300);
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
    background: var(--slate-950);
    border-top: 1px solid var(--slate-800);
    padding: var(--space-3xl) 0 var(--space-lg);
}

.footer-inner {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    max-width: 360px;
}

.footer-brand .logo {
    color: var(--slate-200);
}

.footer-brand .logo:hover {
    color: var(--teal-400);
}

.footer-brand p {
    font-size: 0.9rem;
    color: var(--slate-500);
    line-height: 1.7;
}

.footer-links {
    display: flex;
    gap: var(--space-lg);
    flex-wrap: wrap;
}

.footer-links a {
    font-size: 0.875rem;
    color: var(--slate-400);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-weight: 400;
}

.footer-links a:hover {
    color: var(--teal-400);
}

.footer-bottom {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs) var(--space-lg);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--slate-800);
}

.footer-bottom p {
    font-size: 0.8rem;
    color: var(--slate-600);
}

/* ============================================
   MOBILE NAV
   ============================================ */
@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .main-nav {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        border-bottom: 1px solid var(--slate-200);
        padding: var(--space-lg);
        transform: translateY(-110%);
        opacity: 0;
        transition: all var(--transition);
        pointer-events: none;
    }

    .main-nav.open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }

    .main-nav ul {
        flex-direction: column;
        gap: var(--space-sm);
    }

    .main-nav a {
        font-size: 1rem;
        padding: 8px 0;
    }
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-layout,
    .visit-layout,
    .contact-layout {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

    .about-content .section-title,
    .about-content .section-eyebrow {
        text-align: center;
    }

    .about-content {
        text-align: center;
    }

    .about-body {
        text-align: left;
    }

    .about-stats {
        justify-content: center;
    }

    .visit-info .section-title {
        text-align: center;
    }

    .visit-info .section-eyebrow {
        text-align: center;
    }

    .visit-info {
        text-align: center;
    }

    .visit-address {
        align-items: center;
    }

    .visit-details {
        align-items: center;
    }
}

@media (max-width: 768px) {
    :root {
        --space-4xl: 5rem;
        --space-3xl: 3rem;
    }

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

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

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

    .btn {
        width: 100%;
        max-width: 280px;
    }

    .about-stats {
        flex-direction: column;
        gap: var(--space-md);
    }

    .stat-divider {
        width: 48px;
        height: 1px;
    }

    .contact-layout {
        gap: var(--space-2xl);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-md);
    }

    .hero-content {
        padding: var(--space-3xl) var(--space-md);
    }

    .footer-links {
        flex-direction: column;
        gap: var(--space-sm);
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--space-xs);
    }
}

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

    html {
        scroll-behavior: auto;
    }
}