/* ========================================
   DESIGN SYSTEM
   ======================================== */

/* Reset & Base */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* Design Tokens */
:root {
    /* Colors */
    --color-bg: #013220;
    --color-text: #00A361;
    --color-active: #fff;

    /* Typography */
    --font-primary: "Helvetica Neue", Helvetica, Arial, sans-serif;
    --font-mono: 'Fira Mono', 'Menlo', 'Consolas', 'Liberation Mono', monospace;
    --line-height-tight: 1.4;
    --line-height-normal: 1.5;

    /* Spacing Scale - Smooth scaling with clamp() */
    --spacing-0-5: clamp(0.2rem, 0.5vw, 0.25rem);
    --spacing-1: clamp(0.4rem, 1vw, 0.5rem);
    --spacing-2: clamp(0.75rem, 1.5vw, 1rem);
    --spacing-3: clamp(1.2rem, 2vw, 1.5rem);
    --spacing-4: clamp(1.5rem, 2.5vw, 2rem);
    --spacing-6: clamp(2.25rem, 3.5vw, 3rem);
    --spacing-6-5: clamp(4rem, 5vw, 5.5rem);

    /* Sizing - Smooth scaling */
    --size-dot-default: clamp(0.4rem, 0.8vw, 0.5rem);
    --size-dot-active: clamp(0.8rem, 1.5vw, 1rem);

    /* Typography sizing - Smooth scaling */
    --font-size-h2: clamp(1.5rem, 4vw, 2rem);
    --font-size-p: clamp(1.25rem, 3.5vw, 2rem);
    --font-size-hero: clamp(2rem, 8vw, 3rem);
    --font-size-dynamic: clamp(0.9rem, 2vw, 1.2rem);
    --font-size-marquee: clamp(1.4rem, 5vw, 2.2rem);
    --font-size-nav: clamp(0.85rem, 1.5vw, 1rem);
    --underline-height: clamp(1.5px, 0.3vw, 2px);

    /* Transitions */
    --transition-fast: 0.2s;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Z-index */
    --z-header: 100;
    --z-indicator: 99;
    --z-ticker: 1000;
}

html, body {
    height: 100%;
    max-width: 100vw;
    overflow-x: hidden;
}

body {
    font-family: var(--font-primary);
    line-height: var(--line-height-normal);
    color: var(--color-text);
    background: var(--color-bg);
    overflow: hidden;
}

/* Allow normal scrolling on impressum page */
main.impressum-page {
    overflow-y: auto;
    height: auto;
    min-height: 100vh;
}
.scroll-container {
    height: 100%;
    width: 100vw;
    box-sizing: border-box;
    /* margin-top: 5rem; */
    overflow-y: scroll;
    scroll-behavior: smooth;
    
    /* ensure snapped sections are not hidden under fixed header */
    scroll-padding-top: 6rem;
    
    /* Hide default scrollbar */
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE and Edge */
}

/* Chrome, Safari, Opera */
.scroll-container::-webkit-scrollbar {
    display: none;
}

.snap-section {
    height: 100vh;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;

    padding: 6rem 2rem 2rem 2rem;
    width: 100vw;
    box-sizing: border-box;
    /* offset so content isn’t cut off by header */
    scroll-margin-top: 6rem;
}

.site-header {
    position: fixed;
    top: 0;
    width: 100%;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    padding: 1rem 2rem;
    /* background: var(--bg); */
    z-index: 100;
}


.main-nav-left {
    margin-right: auto;
}

.main-nav ul {
    list-style: none;
    display: flex;
    gap: 1.5rem;
    align-items: center;
    position: relative;
    --underline-left: 0;
    --underline-width: 0;
}

.main-nav ul::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: var(--underline-left);
    width: var(--underline-width);
    height: var(--underline-height);
    background-color: var(--color-active);
    transition: left var(--transition-slow), width var(--transition-slow);
}

.lang a {
    font-size: 0.9rem;
}

.main-nav a {
    padding: var(--spacing-0-5) 0;
    font-weight: 600;
    font-size: var(--font-size-nav);
    color: var(--color-text);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.main-nav a.active {
    color: var(--color-active);
}

/* ========================================
   TYPOGRAPHY
   ======================================== */

.snap-section h2 {
    font-size: var(--font-size-h2);
    margin-bottom: var(--spacing-2);
    color: var(--color-text);
}

.snap-section p {
    font-size: var(--font-size-p);
    line-height: var(--line-height-tight);
}

footer {
    text-align: center;
    font-size: 0.9rem;
    color: var(--color-text);
    padding: var(--spacing-2) 0;
    background: var(--color-bg);
}

/* ========================================
   HERO SECTION
   ======================================== */

.hero-title {
    font-size: var(--font-size-hero);
    font-weight: 700;
    color: var(--color-text);
    text-align: center;
    margin: var(--spacing-4) 0 var(--spacing-0-5) 0;
    letter-spacing: 0.04em;
}

.hero-logo-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 1em;
}

.hero-logo {
    max-width: 300px;
    width: clamp(40vw, 50vw, 60vw);
    height: auto;
}

#hero.snap-section {
    position: relative;
    overflow: hidden;
    padding-bottom: var(--spacing-6-5);
}

/* ========================================
   MARQUEE & TICKER
   ======================================== */

.marquee {
    overflow: hidden;
    white-space: nowrap;
    margin-top: var(--spacing-3);
    padding: var(--spacing-1) 0;
}

.marquee__inner {
    display: inline-flex;
    align-items: center;
}

.marquee__inner span {
    flex: none;
    font-size: 1.1rem;
    letter-spacing: 0.08em;
    white-space: nowrap;
}

/* ========================================
   DYNAMIC SENTENCE
   ======================================== */

.dynamic-sentence {
    margin-top: 1.25rem;
    font-size: var(--font-size-dynamic);
    color: var(--color-active);
    min-height: 2.4rem;
    font-family: var(--font-mono);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    align-items: flex-start;
}

.dynamic-sentence .slot {
    position: relative;
    overflow: hidden;
    min-width: 10rem;
    height: 1.4rem;
    line-height: 1.4rem;
    padding: 0 var(--spacing-0-5);
    display: inline-block;
    vertical-align: bottom;
}

.dynamic-sentence .slot.fixed {
    min-width: auto;
    padding: 0;
}

.dynamic-sentence .word {
    position: absolute;
    top: 0;
    left: 0;
    display: inline-flex;
    gap: 0.05em;
}

.dynamic-sentence .letter {
    transform: translateY(1rem);
    display: inline-block;
    will-change: transform;
    margin-bottom: 0.08em;
    font-family: inherit;
    font-variant-ligatures: none;
}

.dynamic-sentence .word.enter .letter {
    animation: letter-in 0.8s linear forwards;
    animation-delay: var(--delay, 0s);
}

.dynamic-sentence .word.exit .letter {
    animation: letter-out 0.8s linear forwards;
    animation-delay: var(--delay, 0s);
}

/* ========================================
   ANIMATIONS
   ======================================== */

@keyframes letter-in {
    0% { transform: translateY(1rem); }
    100% { transform: translateY(0); }
}

@keyframes letter-out {
    0% { transform: translateY(0); }
    100% { transform: translateY(-1rem); }
}

/* ========================================
   HERO MARQUEE
   ======================================== */

.hero-marquee {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100vw;
    font-size: var(--font-size-marquee);
    z-index: var(--z-ticker);
    background: var(--color-bg);
    margin: 0;
    padding: var(--spacing-1) 0;
    overflow: hidden;
}

.hero-marquee .marquee__inner span {
    font-size: var(--font-size-marquee);
}

/* ========================================
   SCROLL INDICATORS
   ======================================== */

.scroll-indicators {
    position: fixed;
    right: var(--spacing-2);
    bottom: var(--spacing-2);
    z-index: var(--z-indicator);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
    justify-content: center;
    align-items: center;
    margin-bottom: 6rem;
}

.scroll-dot {
    width: var(--size-dot-default);
    height: var(--size-dot-default);
    border-radius: 50%;
    background-color: var(--color-text);
    cursor: pointer;
    opacity: 0.6;
    transition: all var(--transition-normal);
}

.scroll-dot:hover {
    opacity: 0.8;
}

.scroll-dot.active {
    width: var(--size-dot-active);
    height: var(--size-dot-active);
    background-color: var(--color-active);
    opacity: 1;
}

/* ========================================
   RESPONSIVE ADJUSTMENTS
   ======================================== */

/* Mobile: 0 to 639px - Specific adjustments for very small screens */
@media (max-width: 639px) {
    .snap-section {
        padding: 4rem var(--spacing-2) var(--spacing-2) var(--spacing-2);
    }

    .scroll-container {
        scroll-padding-top: 4rem;
    }

    .snap-section {
        scroll-margin-top: 4rem;
    }

    #hero.snap-section {
        padding-bottom: 3.5rem;
    }

    footer {
        font-size: clamp(0.75rem, 1.5vw, 0.9rem);
    }

    .lang a {
        font-size: clamp(0.75rem, 1.2vw, 0.9rem);
    }

    .scroll-indicators {
        right: var(--spacing-1);
        bottom: var(--spacing-1);
        gap: var(--spacing-1);
        margin-bottom: 2.5rem;
    }

    .scroll-dot {
        width: clamp(0.32rem, 0.6vw, 0.4rem);
        height: clamp(0.32rem, 0.6vw, 0.4rem);
    }

    .scroll-dot.active {
        width: clamp(0.64rem, 1.2vw, 0.8rem);
        height: clamp(0.64rem, 1.2vw, 0.8rem);
    }
}

/* ========================================
   IMPRESSUM SECTION
   ======================================== */

.impressum-btn {
    display: inline-block;
    margin-top: var(--spacing-3);
    padding: var(--spacing-1) var(--spacing-2);
    background: var(--color-text);
    color: var(--color-bg);
    border: none;
    border-radius: 0.25rem;
    font-size: clamp(0.85rem, 1.5vw, 1rem);
    cursor: pointer;
    font-family: var(--font-primary);
    transition: all var(--transition-normal);
    text-decoration: none;
}

.impressum-btn:hover {
    background: var(--color-active);
    color: var(--color-bg);
    transform: scale(1.05);
}

/* Impressum Page */
.impressum-page {
    padding: var(--spacing-6) var(--spacing-3);
}

.impressum-section {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
}

.impressum-section h1 {
    font-size: var(--font-size-hero);
    margin-bottom: var(--spacing-4);
}

.impressum-content {
    font-size: clamp(0.9rem, 1.8vw, 1rem);
    line-height: var(--line-height-normal);
}

.impressum-content h2 {
    font-size: var(--font-size-h2);
    margin-top: var(--spacing-3);
    margin-bottom: var(--spacing-2);
}

.impressum-content p {
    margin-bottom: var(--spacing-2);
}