@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;700;900&family=Great+Vibes&display=swap');

:root {
    --black: #000000;
    --white: #ffffff;
    --gray-400: #999;
    --gray-600: #666;
    --gray-800: #1a1a1a;
    --gray-900: #0d0d0d;
    --accent: #c9a96e;
    --accent-dim: rgba(201,169,110,0.12);
    --font: 'Inter', -apple-system, sans-serif;
}

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

html { -webkit-font-smoothing:antialiased; scroll-behavior: auto; }

body {
    font-family: var(--font);
    background: var(--black);
    color: var(--white);
    overflow-x: hidden;
}

/* Preloader removed per user request */

/* ============================
   NAVIGATION
   ============================ */
.nav {
    position: fixed;
    top: 0; left: 0; width: 100%;
    padding: 2rem 4rem;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    z-index: 100;
    /* No mix-blend-mode — nav is always white on dark */
}

.nav-left { display: flex; gap: 3rem; align-items: flex-start; }

.logo { font-weight: 900; font-size: 2.4rem; letter-spacing: -2px; color: #fff; }

.nav-titles { display: flex; flex-direction: column; font-size: 0.75rem; color: rgba(255,255,255,0.6); line-height: 1.6; }

.menu-btn {
    display: none; /* Removed old button, kept selector for safety */
}

/* Mobile hamburger toggle — CSS-only checkbox hack */
.nav-toggle-checkbox { display: none; }
.nav-hamburger {
    display: none; flex-direction: column; gap: 5px; cursor: pointer;
    background: none; border: none; padding: 8px; z-index: 101;
}
.nav-hamburger span {
    width: 24px; height: 2px; background: #fff;
    border-radius: 2px; transition: all 0.3s cubic-bezier(0.165,0.84,0.44,1);
}
/* Animate hamburger → X */
.nav-toggle-checkbox:checked ~ .nav-hamburger span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle-checkbox:checked ~ .nav-hamburger span:nth-child(2) { opacity: 0; }
.nav-toggle-checkbox:checked ~ .nav-hamburger span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

.nav-right { display: flex; align-items: center; gap: 2rem; }

.nav-links { display: flex; gap: 0.5rem; }

.nav-link {
    color: rgba(255,255,255,0.55);
    text-decoration: none;
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 0.55rem 1.2rem;
    border-radius: 100px;
    transition: all 0.3s cubic-bezier(0.165,0.84,0.44,1);
    border: 1px solid transparent;
}

.nav-link:hover {
    color: #fff;
    background: rgba(255,255,255,0.06);
    border-color: rgba(255,255,255,0.1);
}

.nav-link--active {
    color: var(--accent);
    background: var(--accent-dim);
    border-color: rgba(201,169,110,0.2);
}

/* ============================
   HERO — FULL IMMERSIVE
   ============================ */
.hero {
    position: relative;
    height: 100vh;
    width: 100%;
    overflow: hidden;
    background: var(--black);
}

/* Mosaic grid — positioned on the RIGHT side */
.hero-mosaic {
    position: fixed;
    right: 0;
    bottom: 0;
    width: 45vw;
    max-width: 600px;
    height: 90vh;
    z-index: 0;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(5, 1fr);
    gap: 0;
    border: none;
    outline: none;
    perspective: 1200px; /* Add perspective for 3D flip effect on tiles */
}

.mosaic-tile {
    width: 100%;
    height: 100%;
    background-size: 400% 500%;
    opacity: 0;
    will-change: transform, opacity;
    border: none;
    outline: none;
    transform-style: preserve-3d;
}

/* Dark overlays — only cover LEFT side for text readability */
.hero-overlay {
    position: absolute;
    inset: 0;
    z-index: 2;
    pointer-events: none;
}

/* Darkens left side where text sits, fades to transparent before the image */
.hero-overlay-left {
    background: linear-gradient(
        to right,
        rgba(0,0,0,0.9) 0%,
        rgba(0,0,0,0.7) 25%,
        rgba(0,0,0,0.3) 45%,
        transparent 55%
    );
}

/* Gentle bottom fade — keeps image visible */
.hero-overlay-bottom {
    background: linear-gradient(
        to top,
        rgba(0,0,0,0.8) 0%,
        rgba(0,0,0,0.3) 15%,
        transparent 35%
    );
}

/* Gentle top fade */
.hero-overlay-top {
    background: linear-gradient(
        to bottom,
        rgba(0,0,0,0.5) 0%,
        transparent 25%
    );
}

/* Floating mandala behind the image */
.hero-mandala {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 70vw;
    max-width: 900px;
    height: 70vw;
    max-height: 900px;
    border-radius: 50%;
    border: 1px solid var(--accent-dim);
    z-index: 0;
    opacity: 0;
    animation: mandala-spin 120s linear infinite;
}

.hero-mandala::before, .hero-mandala::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    border: 1px solid var(--accent-dim);
}

.hero-mandala::before {
    inset: 10%;
    animation: mandala-spin 90s linear infinite reverse;
}

.hero-mandala::after {
    inset: 25%;
    animation: mandala-spin 60s linear infinite;
}

@keyframes mandala-spin {
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

/* Floating golden particles */
.particle {
    position: absolute;
    width: 3px;
    height: 3px;
    background: var(--accent);
    border-radius: 50%;
    opacity: 0;
    z-index: 0;
}

/* Typography: MASSIVE overlay — sits on the dark left side */
.hero-text-top {
    position: absolute;
    top: 18%;
    left: 4rem;
    z-index: 10;
}

.hero-tag {
    font-size: 0.6rem;
    text-transform: uppercase;
    letter-spacing: 0.6em;
    color: var(--accent);
    opacity: 0;
    display: block;
    margin-bottom: 1.5rem;
}

.hero-title {
    font-weight: 900;
    font-size: clamp(5rem, 12vw, 14rem);
    line-height: 0.85;
    letter-spacing: -0.05em;
    text-transform: uppercase;
    overflow: hidden;
}

.hero-title .line {
    display: block;
    overflow: hidden;
}

.hero-title .line-inner {
    display: block;
    transform: translateY(110%);
    will-change: transform;
}

.hero-title .line:nth-child(1) .line-inner {
    color: var(--gray-400);
    font-weight: 300;
    font-size: 0.35em;
    letter-spacing: 0.15em;
}

/* Bottom text block — sits on the dark left side */
.hero-bottom {
    position: absolute;
    bottom: 8vh;
    left: 4rem;
    max-width: 420px;
    z-index: 10;
}

.hero-bio {
    font-size: 0.95rem;
    color: var(--gray-400);
    line-height: 1.8;
    margin-bottom: 2rem;
    opacity: 0;
    transform: translateY(30px);
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    opacity: 0;
    transform: translateY(20px);
}

/* Scroll indicator */
.scroll-cue {
    position: absolute;
    bottom: 3rem;
    right: 4rem;
    z-index: 10;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.8rem;
    opacity: 0;
}

.scroll-cue span {
    font-size: 0.55rem;
    text-transform: uppercase;
    letter-spacing: 0.3em;
    color: var(--gray-600);
    writing-mode: vertical-lr;
}

.scroll-line-track {
    width: 1px;
    height: 60px;
    background: rgba(255,255,255,0.1);
    position: relative;
    overflow: hidden;
}

.scroll-line-thumb {
    position: absolute;
    top: -50%;
    left: 0;
    width: 100%;
    height: 50%;
    background: var(--accent);
    animation: scroll-pulse 2s ease-in-out infinite;
}

@keyframes scroll-pulse {
    0%, 100% { top: -50%; }
    50% { top: 100%; }
}

/* ============================
   BUTTONS
   ============================ */
.btn {
    display: inline-flex; align-items: center; gap: 0.6rem;
    padding: 0.85rem 2rem;
    font-family: var(--font); font-size: 0.65rem; font-weight: 600;
    letter-spacing: 0.12em; text-transform: uppercase;
    text-decoration: none; border-radius: 100px;
    transition: all 0.4s cubic-bezier(0.165,0.84,0.44,1);
    cursor: pointer; border: none;
}

.btn-primary { background: var(--accent); color: var(--black); }
.btn-primary:hover { background: #d4b67a; transform: translateY(-3px); box-shadow: 0 15px 40px rgba(201,169,110,0.3); }

.btn-outline { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,0.15); }
.btn-outline:hover { background: rgba(255,255,255,0.08); transform: translateY(-3px); }

.arrow { font-size: 1.1rem; transition: transform 0.3s; }
.btn:hover .arrow { transform: translateX(4px); }

/* ============================
   WISDOM — IMMERSIVE BG
   ============================ */
.wisdom {
    position: relative;
    z-index: 2;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 12rem 4rem;
    overflow: hidden;
}

.wisdom-bg-image {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.wisdom-bg-image img {
    width: 100%; height: 100%;
    object-fit: cover;
    filter: brightness(0.3);
    transform: scale(1.1);
    will-change: transform;
}

.wisdom-bg-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 30% 50%, transparent 20%, rgba(0,0,0,0.85) 70%);
}

.wisdom-inner {
    position: relative;
    z-index: 10;
    width: 100%;
}

.wisdom-title {
    font-weight: 900;
    font-size: clamp(3rem, 10vw, 10rem);
    line-height: 0.85;
    letter-spacing: -0.04em;
    text-transform: uppercase;
    text-align: right;
    margin-bottom: 4rem;
    overflow: hidden;
}

.wisdom-title .w-line {
    display: block;
    overflow: hidden;
}

.wisdom-title .w-line-inner {
    display: block;
    transform: translateY(100%);
}

.wisdom-body {
    max-width: 480px;
    padding: 2.5rem;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(30px);
    border-left: 2px solid var(--accent);
    opacity: 0;
    transform: translateY(40px);
}

.wisdom-body p {
    font-size: 0.95rem; color: var(--gray-400); line-height: 1.8; margin-bottom: 2rem;
}

/* ============================
   BOOKS — HORIZONTAL SCROLL
   ============================ */
.books {
    position: relative;
    z-index: 2;
    padding: 10rem 0;
    background: var(--gray-900);
    overflow: hidden;
}

.books-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: 0 4rem;
    margin-bottom: 4rem;
}

.books-header h2 {
    font-size: 3.5rem; font-weight: 900; letter-spacing: -0.02em;
}

.view-all {
    color: var(--gray-400); text-decoration: none;
    font-size: 0.75rem; font-weight: 500; letter-spacing: 0.1em;
    text-transform: uppercase; display: flex; align-items: center; gap: 0.5rem;
    transition: color 0.3s;
}
.view-all:hover { color: var(--white); }

.books-track {
    display: flex;
    gap: 3rem;
    padding: 0 4rem;
    /* Will be animated via GSAP horizontally */
}

.book-card {
    flex: 0 0 420px;
    background: var(--gray-800);
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.5s cubic-bezier(0.165,0.84,0.44,1), box-shadow 0.5s ease;
}

.book-card:hover {
    transform: translateY(-15px) scale(1.02);
    box-shadow: 0 40px 80px rgba(0,0,0,0.6);
}

.book-image-wrapper {
    padding: 3rem;
    display: flex; justify-content: center; align-items: center;
    aspect-ratio: 1/1;
    background: linear-gradient(160deg, #111 0%, #1f1f1f 100%);
    overflow: hidden;
}

.book-image-wrapper img {
    max-width: 90%; max-height: 90%;
    object-fit: contain;
    border-radius: 4px;
    box-shadow: 8px 12px 30px rgba(0,0,0,0.5);
    transition: transform 0.8s cubic-bezier(0.165,0.84,0.44,1);
}

.book-card:hover .book-image-wrapper img {
    transform: scale(1.08) rotate(-2deg);
}

.book-info {
    padding: 2rem 2.5rem;
}

.book-info h3 { font-size: 1.2rem; font-weight: 700; letter-spacing: 0.03em; margin-bottom: 0.4rem; }
.book-info .book-sub { font-size: 0.8rem; color: var(--gray-600); }

/* ============================
   LIFESTYLE — CINEMATIC STRIP
   ============================ */
.lifestyle {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    height: 60vh;
    overflow: hidden;
}

.lifestyle-cell {
    position: relative;
    overflow: hidden;
}

.lifestyle-cell img {
    width: 100%; height: 100%;
    object-fit: cover;
    transform: scale(1.15);
    transition: transform 4s cubic-bezier(0.165,0.84,0.44,1);
    will-change: transform;
}

.lifestyle-cell:hover img {
    transform: scale(1);
}

.lifestyle-cell::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.3);
    transition: background 0.5s;
}

.lifestyle-cell:hover::after {
    background: rgba(0,0,0,0);
}

/* ============================
   YOGA TRAINING
   ============================ */
.yoga {
    position: relative;
    z-index: 2;
    background: var(--black);
    padding: 14rem 4rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
    align-items: start;
    border-top: 1px solid rgba(255,255,255,0.05);
}

.yoga-title {
    font-weight: 900;
    font-size: clamp(3rem, 8vw, 7rem);
    line-height: 0.85;
    letter-spacing: -0.04em;
    text-transform: uppercase;
    overflow: hidden;
}

.yoga-title .y-line {
    display: block;
    overflow: hidden;
}

.yoga-title .y-line-inner {
    display: block;
    transform: translateY(100%);
}

.yoga-text { display: flex; flex-direction: column; gap: 2rem; padding-top: 0.5rem; }
.yoga-text p { font-size: 1rem; color: var(--gray-400); line-height: 1.8; opacity: 0; transform: translateY(30px); }

.signature {
    font-family: 'Great Vibes', cursive;
    font-size: 3rem;
    color: var(--accent);
    margin-top: 2rem;
    opacity: 0;
    transform: translateY(20px);
}

/* ============================
   FOOTER
   ============================ */
.footer {
    position: relative;
    z-index: 2;
    padding: 8rem 4rem 4rem;
    background: var(--gray-900);
    border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 6rem;
}

.footer-brand h2 { font-size: 3rem; font-weight: 900; letter-spacing: -0.03em; margin-bottom: 1rem; }
.footer-brand .tagline { font-size: 0.85rem; color: var(--gray-600); }

.footer-col h4 { font-size: 0.6rem; text-transform: uppercase; letter-spacing: 0.3em; color: var(--gray-600); margin-bottom: 1.5rem; }
.footer-col a { display: block; color: var(--gray-400); text-decoration: none; font-size: 0.95rem; margin-bottom: 0.75rem; transition: color 0.3s; }
.footer-col a:hover { color: var(--accent); }

.social-icons { display: flex; gap: 1.2rem; margin-top: 0.5rem; }
.social-icons a { display: inline-flex; margin-bottom: 0; }
.social-icons a svg { transition: transform 0.3s cubic-bezier(0.165,0.84,0.44,1); }
.social-icons a:hover svg { transform: translateY(-3px) scale(1.1); }

.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 3rem; border-top: 1px solid rgba(255,255,255,0.05); }
.footer-bottom span { font-size: 0.65rem; color: var(--gray-600); letter-spacing: 0.05em; }

/* ============================
   RESPONSIVE
   ============================ */
@media (max-width: 1024px) {
    .hero-mosaic {
        width: 55vw;
        height: 80vh;
    }
    .hero-text-top { left: 2rem; }
    .hero-bottom { left: 2rem; }
    .books-track { gap: 2rem; padding: 0 2rem; }
    .book-card { flex: 0 0 320px; }
    .yoga { grid-template-columns: 1fr; padding: 8rem 2rem; }
    .footer-grid { grid-template-columns: 1fr; }
    .nav { padding: 1.5rem 2rem; }
}

@media (max-width: 768px) {
    .hero-mosaic {
        width: 80vw;
        height: 70vh;
        bottom: 10vh;
    }
    .hero-title { font-size: clamp(3rem, 15vw, 6rem); }
    .hero-text-top { left: 1.5rem; top: 15%; }
    .hero-bottom { left: 1.5rem; max-width: 80%; }
    .nav-titles { display: none; }
    .lifestyle { grid-template-columns: 1fr; height: auto; }
    .lifestyle-cell { height: 40vh; }
    .wisdom { padding: 8rem 2rem; }
    .books-header { padding: 0 2rem; }
    .scroll-cue { display: none; }

    /* Hamburger visible */
    .nav-hamburger { display: flex; }

    /* Nav links become slide-down panel */
    .nav-links {
        position: fixed;
        top: 0; left: 0; right: 0;
        padding: 5rem 2rem 2rem;
        background: rgba(0,0,0,0.95);
        backdrop-filter: blur(20px);
        flex-direction: column;
        gap: 0.25rem;
        transform: translateY(-120%);
        opacity: 0;
        transition: all 0.4s cubic-bezier(0.165,0.84,0.44,1);
        pointer-events: none;
        z-index: 99;
    }
    .nav-toggle-checkbox:checked ~ .nav-links {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }
    .nav-link {
        width: 100%; text-align: center;
        padding: 0.75rem; font-size: 0.85rem;
    }
}