/* ============================================
   BENEDIKT SALM — FILMMAKER
   Light, textured, minimal — modest dept. vibe
   ============================================ */

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

:root {
    --color-bg: #ffffff;
    --color-surface: #f5f5f5;
    --color-text: #2c2c2c;
    --color-text-muted: #8a8a8a;
    --color-accent: #4a4a4a;
    --color-border: #e0e0e0;
    --color-white: #ffffff;
    --font: 'Space Grotesk', 'Helvetica Neue', Arial, sans-serif;
    --max-width: 1400px;
    --section-padding: clamp(80px, 12vw, 160px);
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
    background-image: url("texture-light.jpg");
    background-repeat: repeat;
    background-position: 50% 50%;
    background-size: 56px;
}

a {
    color: var(--color-text);
    text-decoration: none;
    transition: opacity 0.3s ease;
}

a:hover {
    opacity: 0.5;
}

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

/* --- Navigation --- */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px clamp(24px, 4vw, 48px);
    transition: all 0.4s ease;
}

.nav--scrolled {
    background-color: rgba(245, 243, 240, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding-top: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--color-border);
}

.nav-logo {
    font-family: var(--font);
    font-size: 16px;
    font-weight: 600;
    letter-spacing: -0.01em;
    color: var(--color-text);
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 24px;
}

.nav-links {
    display: flex;
    gap: 28px;
}

.nav-links a {
    font-size: 14px;
    font-weight: 400;
    color: var(--color-text-muted);
    transition: color 0.3s ease;
}

.nav-links a:hover {
    color: var(--color-text);
    opacity: 1;
}

.lang-toggle {
    font-family: var(--font);
    font-size: 12px;
    font-weight: 500;
    color: var(--color-text-muted);
    background: none;
    border: 1px solid var(--color-border);
    border-radius: 20px;
    padding: 4px 14px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.lang-toggle:hover {
    color: var(--color-text);
    border-color: var(--color-text-muted);
}

/* --- Hero --- */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 120px clamp(24px, 4vw, 48px) 80px;
    position: relative;
}

.hero-content {
    max-width: 900px;
}

.hero-title {
    font-family: var(--font);
    font-size: clamp(52px, 10vw, 130px);
    font-weight: 700;
    line-height: 0.9;
    letter-spacing: -0.04em;
    margin-bottom: 32px;
    color: var(--color-text);
}

.hero-tagline {
    font-size: clamp(16px, 1.6vw, 21px);
    font-weight: 300;
    line-height: 1.6;
    color: var(--color-text-muted);
    max-width: 560px;
    margin: 0 auto;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    opacity: 0.3;
    transition: opacity 0.3s ease;
}

.scroll-indicator:hover {
    opacity: 0.6;
}

.scroll-arrow {
    width: 1px;
    height: 48px;
    background: var(--color-text);
    display: block;
    position: relative;
    animation: scrollPulse 2s ease-in-out infinite;
}

.scroll-arrow::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%) rotate(45deg);
    width: 8px;
    height: 8px;
    border-right: 1px solid var(--color-text);
    border-bottom: 1px solid var(--color-text);
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; transform: translateY(0); }
    50% { opacity: 1; transform: translateY(8px); }
}

/* --- Work Section --- */
.work {
    padding: 0 clamp(24px, 4vw, 48px);
    max-width: var(--max-width);
    margin: 0 auto;
    padding-bottom: var(--section-padding);
}

/* --- Project --- */
.project {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: clamp(32px, 4vw, 64px);
    align-items: center;
    padding: clamp(40px, 6vw, 80px) 0;
    border-bottom: 1px solid var(--color-border);
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.project.revealed {
    opacity: 1;
    transform: translateY(0);
}

.project:last-child {
    border-bottom: none;
}

.project--reverse {
    grid-template-columns: 1fr 1.4fr;
    direction: rtl;
}

.project--reverse > * {
    direction: ltr;
}

/* --- Video Embed --- */
.project-video {
    position: relative;
    overflow: hidden;
}

.video-wrapper {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: transparent;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.project-video:hover .video-wrapper {
    transform: scale(1.015);
}

.video-wrapper iframe {
    display: block;
    width: 100%;
    height: 100%;
    border: 0;
}

/* Poster overlay: hides controls, reveals on hover */
.video-poster {
    position: absolute;
    inset: 0;
    z-index: 2;
    background-size: cover;
    background-position: center;
    cursor: pointer;
    transition: opacity 0.4s ease;
}

.project-video:hover .video-poster {
    opacity: 0;
    pointer-events: none;
}

/* --- Project Info --- */
.project-info {
    padding: 8px 0;
}

.project-client {
    display: inline-block;
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.08em;
    color: var(--color-text-muted);
    margin-bottom: 10px;
}

.project-title {
    font-family: var(--font);
    font-size: clamp(26px, 3vw, 42px);
    font-weight: 600;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 14px;
    color: var(--color-text);
}

.project-description {
    font-size: clamp(15px, 1.2vw, 17px);
    font-weight: 300;
    line-height: 1.7;
    color: var(--color-text-muted);
    max-width: 400px;
}

/* --- Portrait Video --- */
.project--portrait .project-video {
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: none;
}

.project--portrait .video-wrapper {
    max-width: 340px;
    width: 100%;
    aspect-ratio: 9 / 16;
    box-shadow: none;
}

/* --- About Section --- */
.about {
    padding: var(--section-padding) clamp(24px, 4vw, 48px);
    border-top: 1px solid var(--color-border);
}

.about-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: clamp(40px, 6vw, 100px);
    align-items: center;
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.about-inner.revealed {
    opacity: 1;
    transform: translateY(0);
}

.about-image {
    position: relative;
    overflow: hidden;
    border-radius: 6px;
    aspect-ratio: 3 / 4;
    background: var(--color-surface);
}

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

.section-label {
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.08em;
    color: var(--color-text-muted);
    margin-bottom: 28px;
}

.about-body p {
    font-size: clamp(16px, 1.3vw, 19px);
    font-weight: 300;
    line-height: 1.75;
    color: var(--color-accent);
    margin-bottom: 14px;
}

.about-body p:last-child {
    margin-bottom: 0;
}

.about-body strong {
    font-weight: 500;
    color: var(--color-text);
}

/* --- Clients Section --- */
.clients {
    padding: var(--section-padding) clamp(24px, 4vw, 48px);
    border-top: 1px solid var(--color-border);
}

.clients-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.clients-inner.revealed {
    opacity: 1;
    transform: translateY(0);
}

.clients-list {
    font-size: clamp(15px, 1.2vw, 18px);
    font-weight: 300;
    line-height: 2;
    color: var(--color-text-muted);
    max-width: 800px;
}

/* --- Contact Section --- */
.contact {
    padding: var(--section-padding) clamp(24px, 4vw, 48px);
    text-align: center;
    border-top: 1px solid var(--color-border);
}

.contact-inner {
    max-width: 600px;
    margin: 0 auto;
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.contact-inner.revealed {
    opacity: 1;
    transform: translateY(0);
}

.contact-email {
    display: block;
    font-family: var(--font);
    font-size: clamp(22px, 3.5vw, 44px);
    font-weight: 500;
    letter-spacing: -0.02em;
    margin-top: 20px;
    margin-bottom: 28px;
    color: var(--color-text);
}

.contact-email:hover {
    opacity: 0.5;
}

.contact-links {
    display: flex;
    justify-content: center;
    gap: 24px;
}

.contact-links a {
    font-size: 14px;
    font-weight: 400;
    color: var(--color-text-muted);
}

.contact-links a:hover {
    color: var(--color-text);
    opacity: 1;
}

/* --- Contact Form --- */
.contact-form {
    margin-top: 48px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    text-align: left;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
}

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

.form-group label {
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.08em;
    color: var(--color-text-muted);
    text-transform: uppercase;
}

.form-group input,
.form-group textarea {
    font-family: var(--font);
    font-size: 15px;
    font-weight: 300;
    padding: 12px 14px;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    background: rgba(255,255,255,0.7);
    color: var(--color-text);
    outline: none;
    transition: border-color 0.2s ease;
    width: 100%;
}

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

.form-group textarea {
    resize: vertical;
    min-height: 110px;
}

.form-submit {
    font-family: var(--font);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 12px 28px;
    background: var(--color-text);
    color: var(--color-white);
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: opacity 0.2s ease;
    align-self: flex-start;
}

.form-submit:hover:not(:disabled) {
    opacity: 0.6;
}

.form-submit:disabled {
    opacity: 0.4;
    cursor: default;
}

.form-status {
    font-size: 13px;
    font-weight: 300;
    line-height: 1.5;
    min-height: 20px;
}

.form-status--success {
    color: #4a7c59;
}

.form-status--error {
    color: #b94040;
}

/* --- Footer --- */
.footer {
    padding: 24px clamp(24px, 4vw, 48px);
    border-top: 1px solid var(--color-border);
}

.footer-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    color: var(--color-text-muted);
}

.footer-impressum-link {
    color: var(--color-text-muted);
    font-size: 13px;
}

.footer-impressum-link:hover {
    color: var(--color-text);
    opacity: 1;
}

/* --- Impressum Overlay --- */
.impressum-overlay {
    position: fixed;
    inset: 0;
    z-index: 200;
    background: rgba(44, 44, 44, 0.4);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding: 80px 24px;
    overflow-y: auto;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
}

.impressum-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.impressum-content {
    max-width: 640px;
    width: 100%;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    padding: clamp(32px, 4vw, 56px);
    position: relative;
    transform: translateY(20px);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.impressum-overlay.active .impressum-content {
    transform: translateY(0);
}

.impressum-close {
    position: absolute;
    top: 16px;
    right: 20px;
    background: none;
    border: none;
    color: var(--color-text-muted);
    font-size: 28px;
    cursor: pointer;
    transition: color 0.3s ease;
    line-height: 1;
}

.impressum-close:hover {
    color: var(--color-text);
}

.impressum-content h2 {
    font-family: var(--font);
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 32px;
    color: var(--color-text);
}

.impressum-content h3 {
    font-size: 15px;
    font-weight: 600;
    margin-top: 28px;
    margin-bottom: 10px;
    color: var(--color-text);
}

.impressum-content h4 {
    font-size: 14px;
    font-weight: 500;
    margin-top: 20px;
    margin-bottom: 8px;
    color: var(--color-accent);
}

.impressum-content p {
    font-size: 14px;
    font-weight: 300;
    line-height: 1.7;
    color: var(--color-text-muted);
}

/* --- Responsive --- */
@media (max-width: 900px) {
    .project {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .project--reverse {
        grid-template-columns: 1fr;
        direction: ltr;
    }

    .project-info {
        padding: 0;
    }

    .project-description {
        max-width: 100%;
    }

    .about-inner {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-image {
        max-width: 400px;
        aspect-ratio: 1 / 1;
    }

    .hero-title {
        font-size: clamp(44px, 14vw, 80px);
    }

    .nav-links {
        gap: 18px;
    }

    .nav-links a {
        font-size: 12px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 44px;
    }

    .contact-email {
        font-size: 20px;
    }

    .nav-logo {
        font-size: 14px;
    }
}