/* RESET & BASE */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Unbounded', sans-serif;
    background: #fff;
    color: #000;
    overflow-x: hidden;
}

/* Remove fixed header offset — hero is full-bleed */
main.approach-container {
    padding-top: 0;
}

/* MAIN CONTAINER */
.approach-container {
    width: 100%;
}

/* SECTION BASE */
.approach-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 100px 80px;
    overflow: hidden;
}

/* PARALLAX BACKGROUNDS */
.parallax-bg {
    position: absolute;
    top: -10%;
    left: 0;
    width: 100%;
    height: 120%;
    z-index: 0;
    will-change: transform;
}

.parallax-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.section-bg {
    opacity: 0.3;
}

/* SECTION CONTENT */
.section-content,
.section-layout {
    position: relative;
    z-index: 10;
    max-width: 1400px;
    width: 100%;
}

/* Hero content stays above section 1 overlay */
.hero-section .section-content {
    z-index: 20;
}

/* HERO SECTION */
.hero-section {
    height: 100vh;
    padding: 0;
    text-align: center;
    position: sticky;
    top: 0;
    z-index: 1;
}

.hero-section .section-image img {
    filter: grayscale(20%) brightness(0.7);
}

/* SECTION 1 — scrollt über sticky Hero, läuft oben transparent aus */
.approach-section[data-section="1"] {
    position: relative;
    z-index: 3;
    background: linear-gradient(
        to bottom,
        transparent 0px,
        rgba(0, 0, 0, 0.4) 120px,
        rgba(0, 0, 0, 0.75) 260px,
        rgba(0, 0, 0, 0.92) 420px,
        rgba(0, 0, 0, 0.92) 100%
    );
}

.approach-section[data-section="1"] .section-layout {
    position: relative;
    z-index: 1;
}

/* Section 1 — white text over dark overlay */
.approach-section[data-section="1"] h2,
.approach-section[data-section="1"] h3,
.approach-section[data-section="1"] p {
    color: #fff;
}

.approach-section[data-section="1"] h2 {
    color: #DC0000;
}

/* Section 1 → Section 2 smooth bottom fade */
.approach-section[data-section="1"]::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 220px;
    background: linear-gradient(to bottom, transparent, #000);
    z-index: 2;
    pointer-events: none;
}

.approach-section[data-section="2"] h3 {
    color: #fff;
}

/* Ab Section 2 liegen alle Sections über dem Hero */
.approach-section[data-section="2"],
.approach-section[data-section="3"],
.approach-section[data-section="4"],
.cta-section {
    position: relative;
    z-index: 4;
}

.hero-title {
    font-size: 52px;
    font-weight: 200;
    letter-spacing: -0.02em;
    color: #fff;
    margin-bottom: 20px;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1.2s ease-out 0.3s forwards;
}

.hero-subtitle {
    font-size: clamp(14px, 1.8vw, 22px);
    font-weight: 300;
    letter-spacing: 0.08em;
    color: #fff;
    opacity: 0;
    animation: fadeIn 1.5s ease-out 0.8s forwards;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    to { opacity: 1; }
}

/* NUMBERED SECTIONS */
.section-number {
    position: fixed;
    left: 40px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 120px;
    font-weight: 700;
    color: #DC0000;
    opacity: 0;
    z-index: 100;
    line-height: 1;
    transition: opacity 0.8s ease, transform 0.8s ease;
    pointer-events: none;
}

.approach-section .section-number.active {
    opacity: 0.2;
    transform: translateY(-50%) scale(1);
}

@media (max-width: 900px) {
    .section-number { display: none; }
}

/* SPLIT LAYOUT */
.split-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.split-layout.reverse {
    direction: rtl;
}

.split-layout.reverse > * {
    direction: ltr;
}

/* REVEAL ANIMATIONS */
.content-left,
.content-right,
.content-block {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.approach-section.visible .content-left,
.approach-section.visible .content-right,
.approach-section.visible .content-block {
    opacity: 1;
    transform: translateY(0);
}

.content-right {
    transition-delay: 0.2s;
}

/* TYPOGRAPHY */
.approach-section h2 {
    font-size: clamp(32px, 4vw, 56px);
    font-weight: 300;
    letter-spacing: -0.01em;
    margin-bottom: 30px;
    color: #DC0000;
}

.approach-section h3 {
    font-size: clamp(24px, 3vw, 40px);
    font-weight: 400;
    margin-bottom: 20px;
}

.approach-section p {
    font-size: 14px;
    font-weight: 300;
    line-height: 1.8;
    letter-spacing: 0.02em;
    margin-bottom: 15px;
}

.highlight {
    font-weight: 500;
    color: #DC0000;
}

/* IMAGES */
.content-right img,
.content-left img {
    width: 100%;
    height: auto;
    border-radius: 4px;
}

.image-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

/* DARK SECTIONS */
.dark-section {
    background: #000;
    color: #fff;
}

.dark-section .approach-section h2,
.dark-section h2,
.dark-section h3 {
    color: #DC0000;
}

/* LIGHT SECTIONS */
.light-section {
    background: #f5f5f5;
}

/* CENTERED LAYOUT */
.centered-layout {
    text-align: center;
}

.content-block {
    max-width: 900px;
    margin: 0 auto;
}

/* DELIVERABLES SPLIT LAYOUT */
/* SECTION 3 — DELIVERABLES */
.approach-section[data-section="3"] {
    background: #fafafa;
    position: relative;
    overflow: hidden;
    min-height: 100vh;
}

.split-layout-deliverables {
    display: block;
    position: relative;
    z-index: 10;
    padding: 100px 80px;
}

.deliverables-text {
    max-width: 600px;
    position: relative;
    z-index: 10;
}

.deliverables-text h2 {
    font-size: clamp(40px, 5vw, 72px);
    margin-bottom: 60px;
}

.deliverable-category {
    margin-bottom: 50px;
}

.deliverable-category h4 {
    font-size: 14px;
    font-weight: 500;
    color: #DC0000;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 15px;
}

.deliverable-category p {
    font-size: 13px;
    line-height: 1.8;
}

.deliverables-visual {
    position: absolute;
    right: -8%;
    top: 50%;
    transform: translateY(-50%);
    width: 85%;
    height: auto;
    z-index: 1;
    opacity: 0;
    transition: all 1.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.approach-section.visible .deliverables-visual {
    opacity: 0.9;
    right: -5%;
}

.deliverable-image {
    width: 100%;
    max-width: 1800px;
    height: auto;
    filter: drop-shadow(0 30px 80px rgba(0,0,0,0.15));
    transform-origin: center center;
    will-change: transform;
}

@media (max-width: 900px) {
    .approach-section {
        padding: 80px 30px;
    }

    .split-layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-section {
        padding: 0;
    }

    /* SECTION 2 */
    .approach-section[data-section="2"] {
        padding-bottom: 40px !important;
        min-height: auto !important;
    }

    .approach-section[data-section="2"] .split-layout {
        gap: 20px !important;
    }

    .approach-section[data-section="2"] .overlap-gallery {
        height: 400px !important;
        margin-top: 20px !important;
        margin-bottom: 0 !important;
    }

    .image-back {
        width: 55%;
        height: 280px;
        top: 80px;
        left: 0;
    }

    .image-front {
        width: 50%;
        height: 260px;
        top: 0;
        right: 0;
    }

    /* SECTION 3 */
    .approach-section[data-section="3"] {
        background: radial-gradient(circle at top right, #f8f8f8 0%, #ececec 100%);
        position: relative;
        overflow: hidden;
        min-height: 80vh;
        z-index: 2;
    }

    .split-layout-deliverables {
        position: relative;
        padding: 60px 30px 280px 30px;
        z-index: 10;
    }

    .deliverables-text {
        max-width: 100%;
        position: relative;
        z-index: 10;
        padding-right: 0;
    }

    .deliverables-visual {
        position: absolute;
        bottom: 70%;
        left: 50%;
        transform: translateX(-60%) translateY(20px);
        width: 150%;
        height: auto;
        z-index: 100;
        opacity: 0;
        transition: all 1.2s cubic-bezier(0.4, 0, 0.2, 1);
        pointer-events: none;
    }

    .approach-section.visible .deliverables-visual {
        opacity: 0.9;
        transform: translateX(-60%) translateY(0);
    }

    .deliverable-image {
        display: block;
        width: 100%;
        height: auto;
        filter: drop-shadow(0 20px 50px rgba(0,0,0,0.12));
        transform-origin: bottom center;
        will-change: transform;
    }

    /* SECTION 4 */
    .approach-section[data-section="4"] {
        margin-top: -250px;
        padding-top: 280px !important;
        padding-bottom: 80px !important;
        z-index: 1;
        position: relative;
        background: linear-gradient(to bottom,
            transparent 0%,
            rgba(0,0,0,0.3) 200px,
            rgba(0,0,0,0.7) 250px,
            #000 300px,
            #000 100%) !important;
    }

    .approach-section[data-section="4"] .section-layout {
        padding-top: 60px;
    }

    .approach-section[data-section="4"] .parallax-bg img {
        object-fit: cover;
        object-position: 35% center;
        opacity: 0.2;
        transform: none !important;
    }

    .overlap-gallery {
        position: relative !important;
        width: 100%;
        height: 360px !important;
        display: block !important;
    }

    .approach-section[data-section="2"] .overlap-gallery {
        height: 680px !important;
        margin-top: 20px !important;
        margin-bottom: 0 !important;
    }

    .approach-section[data-section="4"] .overlap-gallery {
        height: 680px !important;
        margin: 20px 0 0 0 !important;
    }

    .style-card-1 {
        position: absolute !important;
        width: 55% !important;
        height: 280px !important;
        top: 80px !important;
        left: 0 !important;
        right: auto !important;
        z-index: 1;
    }

    .style-card-2 {
        position: absolute !important;
        width: 50% !important;
        height: 260px !important;
        top: 0 !important;
        right: 0 !important;
        left: auto !important;
        z-index: 2;
    }

    /* Section 2 + 4 mobile — larger cards, corner-only overlap */
    .approach-section[data-section="2"] .style-card-1,
    .approach-section[data-section="4"] .style-card-1 {
        width: 72% !important;
        height: 360px !important;
        top: 285px !important;
        left: 0 !important;
    }

    .approach-section[data-section="2"] .style-card-2,
    .approach-section[data-section="4"] .style-card-2 {
        width: 68% !important;
        height: 350px !important;
        top: 0 !important;
        right: 0 !important;
        left: auto !important;
    }

    .style-intro {
        margin: 0 auto 30px !important;
    }

    .style-tagline {
        margin-top: 20px !important;
        margin-bottom: 0 !important;
    }

    /* CTA */
    .cta-section {
        min-height: 50vh !important;
        padding: 80px 30px 120px !important;
    }

    /* Footer overlap fix — reduce negative pull on mobile */
    footer {
        margin-top: -40px !important;
        padding-top: 60px;
    }

    /* Fix 1: Hero Headline kleiner auf Mobile */
    .hero-title {
        font-size: 38px;
    }

    /* Mobile: Hero-Bild um 90° gedreht (Hochformat) */
    .hero-section .parallax-bg {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        overflow: hidden;
    }

    .hero-section .parallax-bg img {
        width: 100vh;
        height: 100vw;
        max-width: none;
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%) rotate(90deg);
        object-fit: cover;
        object-position: center;
    }

    /* Fix 3: Kein Abstand zwischen Bilder-Gallery und Text darunter */
    .approach-section[data-section="4"] .overlap-gallery {
        margin-bottom: 0 !important;
    }

    .style-tagline {
        margin-top: 0 !important;
    }
}

/* SECTION 4 - Background Image */
.approach-section[data-section="4"] .parallax-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    will-change: transform;
}

.approach-section[data-section="4"] .parallax-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    opacity: 0.2;
}

/* CTA SECTION - Background Image */
.cta-section .parallax-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    will-change: transform;
}

.cta-section .parallax-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    filter: brightness(0.4) grayscale(30%);
}

/* CTA → Footer Fade: Übergang innerhalb der Section, damit Footer voll opaque sein kann */
.cta-section::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 120px;
    background: linear-gradient(to bottom, transparent, #000);
    z-index: 2;
    pointer-events: none;
}

/* FOOTER - voll opaque, kein Durchscheinen mehr */
footer {
    margin-top: -80px !important;
    padding-top: 100px;
    position: relative;
    z-index: 10;
    background: #000;
}

/* STYLE GRID */
.style-intro {
    max-width: 700px;
    margin: 0 auto 60px;
}

/* Section 4 — portrait image cards, close together on desktop */
.approach-section[data-section="4"] .overlap-gallery {
    min-height: 700px;
}

.approach-section[data-section="4"] .style-card-1 {
    width: 32%;
    height: 520px;
    left: 20%;
    top: 0;
}

.approach-section[data-section="4"] .style-card-2 {
    width: 29%;
    height: 560px;
    right: auto;
    left: 44%;
    top: 60px;
}

/* Visual Style Gallery — Overlap Layout */
.overlap-gallery {
    position: relative;
    width: 100%;
    min-height: 600px;
    margin: 60px 0;
}

.style-card-1 {
    width: 55%;
    height: 500px;
    top: 0;
    left: 0;
    z-index: 1;
}

.style-card-2 {
    width: 50%;
    height: 550px;
    top: 80px;
    right: 50px;
    z-index: 2;
}

.overlap-gallery .image-card:hover {
    transform: scale(1.05) translateY(-10px);
    z-index: 10;
    box-shadow: 0 20px 60px rgba(255,255,255,0.3);
}

.style-tagline {
    margin-top: 40px;
    font-style: italic;
    opacity: 0.7;
}

/* CTA SECTION */
.cta-section {
    background: #000;
    color: #fff;
    min-height: 70vh;
    z-index: 1;
}

.cta-section .section-content.centered {
    text-align: center;
}

.cta-button {
    display: inline-block;
    margin-top: 40px;
    padding: 18px 40px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.35);
    color: #fff;
    font-family: 'Unbounded', sans-serif;
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    text-decoration: none;
    border-radius: 50px;
    transition: all 0.3s ease;
}

.cta-button:hover {
    background: rgba(220, 0, 0, 0.7);
    border-color: rgba(220, 0, 0, 0.5);
    color: #fff;
    transform: translateY(-2px);
}

/* OVERLAP IMAGES — Section 2 */
.overlap-images {
    position: relative;
    width: 100%;
    height: 600px;
}

.image-card {
    position: absolute;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0,0,0,0.3);
}

.image-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.image-back {
    width: 60%;
    height: 500px;
    top: 50px;
    left: 0;
    z-index: 1;
}

.image-front {
    width: 50%;
    height: 550px;
    top: 0;
    right: 0;
    z-index: 2;
}

.image-card:hover {
    transform: scale(1.05) translateY(-10px);
    z-index: 10;
    box-shadow: 0 20px 60px rgba(255,255,255,0.3);
}

.image-card:hover img {
    transform: scale(1.1);
}