/* BI PLÅT & TAK AB - Landing Page Styles */
:root {
    --color-bg: #0f1419;
    --color-bg-alt: #1a222d;
    --color-surface: #232d3a;
    --color-accent: #e8a838;
    --color-accent-hover: #f5c04d;
    --color-text: #e8ecf0;
    --color-text-muted: #8b99a8;
    --color-border: #2d3a4a;
    --font-sans: 'Outfit', 'DM Sans', system-ui, sans-serif;
    --font-display: 'Outfit', sans-serif;
    --radius: 8px;
    --radius-lg: 12px;
    --transition: 0.2s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(15, 20, 25, 0.9);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
}

.logo {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--color-text);
    text-decoration: none;
    letter-spacing: 0.02em;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    color: var(--color-text-muted);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color var(--transition);
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-text);
}

/* Hero */
.hero {
    position: relative;
    min-height: 85vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-bg-alt) 100%);
    background-image: url("images/hero-bg.webp");
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: linear-gradient(
        135deg,
        rgba(15, 20, 25, 0.75) 0%,
        rgba(26, 34, 45, 0.65) 50%,
        rgba(30, 42, 56, 0.7) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.hero h1 {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--color-text-muted);
    max-width: 560px;
    margin: 0 auto 2rem;
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.9rem 2rem;
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    border-radius: var(--radius);
    transition: all var(--transition);
    cursor: pointer;
}

.btn-primary {
    background: var(--color-accent);
    color: var(--color-bg);
    border: none;
}

.btn-primary:hover {
    background: var(--color-accent-hover);
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: var(--color-accent);
    border: 2px solid var(--color-accent);
}

.btn-secondary:hover {
    background: var(--color-accent);
    color: var(--color-bg);
    transform: translateY(-2px);
}

/* Sections */
.section {
    padding: 5rem 0;
    border-top: 1px solid var(--color-border);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    font-weight: 600;
    margin-bottom: 2.5rem;
    color: var(--color-text);
}

/* About */
.about {
    background: var(--color-bg-alt);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
}

.about-card {
    background: var(--color-surface);
    padding: 1.75rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.about-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--color-accent);
}

.about-card p,
.about-card ul {
    font-size: 0.95rem;
    color: var(--color-text-muted);
}

.about-card ul {
    list-style: none;
}

.about-card ul li {
    margin-bottom: 0.5rem;
}

/* Production */
.production {
    background: var(--color-bg);
}

.capabilities-list {
    list-style: none;
    max-width: 700px;
}

.capabilities-list li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 1rem;
    color: var(--color-text-muted);
}

.capabilities-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.5rem;
    width: 6px;
    height: 6px;
    background: var(--color-accent);
    border-radius: 50%;
}

/* Pricing */
.pricing {
    background: var(--color-bg-alt);
}

.pricing-card {
    background: var(--color-surface);
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    max-width: 500px;
}

.pricing-highlight {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.price {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-accent);
}

.price-unit {
    font-size: 1rem;
    color: var(--color-text-muted);
}

.pricing-card p {
    color: var(--color-text-muted);
}

/* Clients */
.clients {
    background: var(--color-bg);
}

.clients-intro {
    color: var(--color-text-muted);
    margin-bottom: 1.5rem;
}

.clients-list {
    list-style: none;
    margin-bottom: 2rem;
}

.clients-list li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--color-text-muted);
}

.clients-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: 700;
}

.clients-note {
    margin-bottom: 2rem;
}

.clients-note p {
    color: var(--color-text-muted);
    font-style: italic;
}

.expansion-banner {
    background: linear-gradient(135deg, var(--color-surface) 0%, var(--color-bg-alt) 100%);
    padding: 2rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-accent);
}

.expansion-banner h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--color-accent);
}

.expansion-banner p {
    color: var(--color-text-muted);
}

/* Gallery - Slideshow Carousel */
.gallery {
    background: var(--color-bg-alt);
    padding-bottom: 3rem;
}

.gallery .container {
    margin-bottom: 2rem;
}

.carousel-wrap {
    position: relative;
    overflow: hidden;
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 1rem;
    touch-action: pan-y;
    user-select: none;
    -webkit-user-select: none;
    cursor: grab;
}

.carousel-wrap:active {
    cursor: grabbing;
}

.carousel-track {
    display: flex;
    width: 1400%;
    transition: transform 0.4s ease-out;
}

.carousel-slide {
    flex: 0 0 7.142857%;
    aspect-ratio: 16 / 10;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-border);
    background: var(--color-surface);
}

.carousel-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    pointer-events: none;
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    border: none;
    border-radius: 50%;
    background: rgba(15, 20, 25, 0.8);
    color: var(--color-accent);
    font-size: 1.75rem;
    cursor: pointer;
    z-index: 10;
    transition: background var(--transition), color var(--transition);
}

.carousel-btn:hover {
    background: var(--color-accent);
    color: var(--color-bg);
}

.carousel-prev {
    left: 1rem;
}

.carousel-next {
    right: 1rem;
}

/* Contact */
.contact {
    background: var(--color-bg-alt);
}

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

.contact-email {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.contact-email a {
    color: var(--color-accent);
    text-decoration: none;
    font-weight: 600;
    transition: color var(--transition);
}

.contact-email a:hover {
    color: var(--color-accent-hover);
}

.contact-tagline {
    color: var(--color-text-muted);
    margin-bottom: 2.5rem;
}

.contact-phone {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.contact-phone a {
    color: var(--color-accent);
    text-decoration: none;
    font-weight: 600;
    transition: color var(--transition);
}

.contact-phone a:hover {
    color: var(--color-accent-hover);
}

/* Contact Form */
.contact-form {
    max-width: 520px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-form input,
.contact-form textarea {
    padding: 0.9rem 1rem;
    font-family: var(--font-sans);
    font-size: 1rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    color: var(--color-text);
    transition: border-color var(--transition);
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: var(--color-text-muted);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--color-accent);
}

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

.contact-form button {
    align-self: flex-start;
}

/* Footer */
.footer {
    padding: 1.5rem;
    border-top: 1px solid var(--color-border);
    text-align: center;
}

.footer p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

/* Mobile */
@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--color-bg-alt);
        flex-direction: column;
        padding: 5rem 2rem 2rem;
        gap: 1.5rem;
        border-left: 1px solid var(--color-border);
        transition: right 0.3s ease;
    }

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

    .nav-toggle {
        display: flex;
        z-index: 101;
    }

    .section {
        padding: 3.5rem 0;
    }

    .hero {
        min-height: 75vh;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .hero-buttons .btn {
        width: 100%;
        text-align: center;
    }

    .carousel-btn {
        width: 40px;
        height: 40px;
        font-size: 1.5rem;
    }

    .carousel-prev {
        left: 0.5rem;
    }

    .carousel-next {
        right: 0.5rem;
    }
}