:root {
    /* Oyster Brand Palette Extraction */
    --bg-dark: #13382E;       /* Deep Forest Green */
    --text-light: #F9F9F4;    /* Off-white */
    --accent-lime: #5CD685;   /* Bright Lime */
    
    /* Pastel Palette */
    --pastel-purple: #E5D4EF;
    --pastel-green: #B8E6B8;
    --pastel-pink: #FAD1D3;
    --pastel-blue: #A9DCE8;
    --pastel-yellow: #EEDC68;
    --pastel-orange: #FFCBAF;
    
    /* Text Colors */
    --text-dark: #1a1a1a;
    --text-grey: #4a4a4a;

    /* Spacing & Radius */
    --radius-lg: 32px;
    --radius-md: 20px;
    --radius-btn: 50px;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: #fff;
    color: var(--text-dark);
    overflow-x: hidden;
}

h1, h2, h3, h4 {
    font-family: 'Playfair Display', serif;
    font-weight: 700;
}

a { text-decoration: none; }

/* --- Utility Classes --- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.btn {
    display: inline-block;
    padding: 14px 28px;
    border-radius: var(--radius-btn);
    font-weight: 600;
    transition: transform 0.2s ease;
    cursor: pointer;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn-primary {
    background-color: var(--accent-lime);
    color: var(--bg-dark);
}

.btn-secondary {
    background-color: #fff;
    color: var(--bg-dark);
}

/* --- Curtain / Sticky Scroll Logic --- */
.curtain-panel {
    position: sticky; 
    top: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    box-shadow: 0 -10px 30px rgba(0,0,0,0.05);
    padding: 80px 0;
}

/* --- Navigation --- */
nav {
    background-color: var(--bg-dark);
    padding: 20px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 100;
    transition: transform 0.3s ease;
}

.nav-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-controls {
    display: flex;
    align-items: center;
    gap: 20px;
}

.lang-switch {
    color: white;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    opacity: 0.8;
    transition: opacity 0.2s;
    text-transform: uppercase;
}
.lang-switch:hover { opacity: 1; }

.logo {
    color: var(--accent-lime);
    font-family: 'Playfair Display', serif;
    font-size: 1.8rem;
    font-weight: bold;
}

/* --- Hero Section --- */
.hero {
    background-color: var(--bg-dark);
    color: var(--text-light);
    padding: 160px 0 80px; 
    position: sticky;
    top: 0;
    z-index: 1;
    border-bottom-left-radius: 60px;
    border-bottom-right-radius: 60px;
    overflow: hidden;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 2;
    width: 100%;
}

.hero-text {
    text-align: left;
}

.hero h1 {
    font-size: 4.5rem;
    line-height: 1.05;
    margin-bottom: 24px;
    letter-spacing: -0.03em;
}

.hero h1 span {
    color: var(--accent-lime);
    font-style: italic;
}

.hero p {
    font-size: 1.25rem;
    line-height: 1.6;
    max-width: 520px;
    margin: 0 0 40px 0;
    opacity: 0.9;
    font-weight: 400;
    color: #e0e0e0;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    margin-bottom: 0;
}

/* Hero Graphic (SVG) */
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
}

.hero-blob-bg {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120%;
    height: 120%;
    background: radial-gradient(circle, rgba(92, 214, 133, 0.1) 0%, rgba(19, 56, 46, 0) 70%);
    z-index: -1;
}

/* --- Transition / Problem Solution Section --- */
.transition-section {
    z-index: 2;
    background-color: #fff;
    border-top-left-radius: 60px;
    border-top-right-radius: 60px;
}

.card-connector {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    z-index: 1;
    width: 100px;
}

.problem-solution-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 2;
    width: 100%;
}

.ps-card {
    padding: 50px;
    border-radius: var(--radius-lg);
    position: relative;
    min-height: 300px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.ps-card.problem {
    background-color: var(--pastel-purple);
    transform: rotate(-2deg);
}

.ps-card.solution {
    background-color: var(--pastel-green);
    transform: rotate(2deg);
}

.ps-card h3 {
    font-size: 2rem;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.ps-card p {
    font-size: 1.1rem;
    color: var(--text-grey);
    line-height: 1.6;
}

.ps-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

/* --- Philosophy Cards Section --- */
.philosophy-section {
    z-index: 3;
    background-color: #fff;
    text-align: center;
}

.section-header {
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.section-header p {
    color: var(--text-grey);
    max-width: 600px;
    margin: 0 auto;
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    width: 100%;
}

.feature-card {
    padding: 40px 30px;
    border-radius: var(--radius-lg);
    text-align: left;
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-card h3 {
    margin: 20px 0 10px;
    font-size: 1.5rem;
}

.feature-card p {
    color: var(--text-grey);
    line-height: 1.5;
}

.icon-box {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    background: rgba(255,255,255,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.bg-pink { background-color: var(--pastel-pink); }
.bg-blue { background-color: var(--pastel-blue); }
.bg-green { background-color: var(--pastel-green); }
.bg-yellow { background-color: var(--pastel-yellow); }

/* --- Quote Section --- */
.quote-section {
    z-index: 4;
    background-color: #fff;
}

.quote-box {
    background-color: var(--pastel-green);
    border-radius: var(--radius-lg);
    padding: 80px;
    position: relative;
    display: flex;
    align-items: center;
    gap: 40px;
    width: 100%;
}

.quote-content h3 {
    font-size: 2rem;
    line-height: 1.4;
    margin-bottom: 30px;
}

.quote-author {
    font-weight: 600;
}

.quote-author span {
    display: block;
    font-weight: 400;
    font-size: 0.9rem;
    margin-top: 5px;
    color: var(--text-grey);
}

.quote-icon {
    font-size: 5rem;
    opacity: 0.2;
    position: absolute;
    top: 40px;
    left: 40px;
}

/* --- Segments --- */
.segments-section {
    z-index: 5;
    background-color: #fff;
}

.segments-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    width: 100%;
}

.segment-card {
    background: white;
    border: 2px solid #eee;
    border-radius: var(--radius-lg);
    padding: 40px;
    transition: border-color 0.3s ease;
}

.segment-card:hover {
    border-color: var(--accent-lime);
}

.segment-card h4 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--bg-dark);
}

.segment-badge {
    background-color: var(--pastel-purple);
    padding: 5px 15px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 20px;
    display: inline-block;
}

/* --- Footer --- */
footer {
    background-color: var(--bg-dark);
    color: white;
    padding: 100px 0 40px;
    text-align: center;
    border-top-left-radius: 60px;
    border-top-right-radius: 60px;
    position: sticky;
    top: 0;
    z-index: 6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.footer-cta h2 {
    font-size: 3rem;
    margin-bottom: 30px;
}

.footer-cta h2 span {
    color: var(--accent-lime);
}

.footer-links {
    margin-top: 80px;
    padding-top: 40px;
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 0.9rem;
    opacity: 0.6;
}

/* --- Responsive --- */
@media (max-width: 900px) {
    .curtain-panel, .hero, footer { 
        min-height: auto; 
        padding-top: 60px; 
        padding-bottom: 60px; 
        position: relative; 
        top: auto;
        box-shadow: none;
    } 
    
    nav { position: relative; background-color: var(--bg-dark); }
    .hero { padding-top: 40px; }
    .hero h1 { font-size: 2.8rem; }
    .hero-content { grid-template-columns: 1fr; text-align: center; }
    .hero-text { text-align: center; }
    .hero p { margin-left: auto; margin-right: auto; }
    .hero-buttons { justify-content: center; }
    .hero-visual { display: none; } 
    .problem-solution-grid { grid-template-columns: 1fr; gap: 40px; }
    .ps-card { transform: none !important; margin: 0 !important; }
    .card-connector { display: none; }
    .quote-box { flex-direction: column; text-align: center; padding: 40px; }
    .quote-icon { display: none; }
    .segments-grid { grid-template-columns: 1fr; }
}