:root {
    --bg: #07070f;
    --bg-2: #0c0c1a;
    --bg-light: #f4f3ef;
    --bg-light-2: #ffffff;
    --text: #e8e3d8;
    --text-dark: #1a1820;
    --muted: rgba(232, 227, 216, 0.45);
    --muted-dark: #777;
    --gold: #c9a84c;
    --gold-light: #e2c97e;
    --gold-dim: rgba(201, 168, 76, 0.12);
    --gold-glow: 0 0 40px rgba(201, 168, 76, 0.2);
    --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    overflow-x: hidden;
}

h1, h2, h3, .serif-title { font-family: 'Bodoni Moda', serif; }

/* CANVAS */
#particle-canvas {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    opacity: 0;
    transition: opacity 2s ease;
}
#particle-canvas.on { opacity: 1; }

/* REVEAL */
.reveal {
    opacity: 0;
    transform: translateY(36px);
    transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
}
.reveal.active { opacity: 1; transform: translateY(0); }

/* ─── LANDING ─── */
#landing-page {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    background:
        radial-gradient(ellipse at 15% 85%, rgba(201,168,76,0.07) 0%, transparent 55%),
        radial-gradient(ellipse at 85% 15%, rgba(120,80,220,0.05) 0%, transparent 55%),
        var(--bg);
    transition: opacity 1.4s var(--ease);
}

.landing-content { text-align: center; position: relative; }

.landing-tagline {
    font-size: 0.7rem;
    letter-spacing: 0.55em;
    color: var(--gold);
    margin-bottom: 2rem;
}

.landing-content h1 {
    font-size: clamp(4.5rem, 14vw, 10rem);
    letter-spacing: 0.12em;
    font-weight: 300;
    line-height: 1;
    color: var(--text);
    margin-bottom: 0.4rem;
}

.landing-content > p {
    font-size: clamp(0.7rem, 1.8vw, 0.9rem);
    letter-spacing: 0.65em;
    color: var(--muted);
}

.landing-divider {
    width: 1px;
    height: 56px;
    background: linear-gradient(to bottom, transparent, var(--gold), transparent);
    margin: 2.5rem auto;
}

.enter-button {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.9rem 2.4rem;
    background: none;
    border: 1px solid rgba(201,168,76,0.35);
    color: var(--text);
    font-family: 'Inter', sans-serif;
    font-size: 0.78rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all 0.5s var(--ease);
}

.enter-button::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--gold-dim), transparent);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.enter-button:hover {
    border-color: var(--gold);
    color: var(--gold-light);
    box-shadow: var(--gold-glow), inset 0 0 24px rgba(201,168,76,0.04);
    transform: translateY(-2px);
}

.enter-button:hover::after { opacity: 1; }

.enter-button svg { transition: transform 0.35s ease; position: relative; z-index: 1; }
.enter-button span { position: relative; z-index: 1; }
.enter-button:hover svg { transform: translateX(5px); }

.fade-in {
    opacity: 0;
    animation: riseIn 1.2s var(--ease) forwards;
}
.delay-1 { animation-delay: 0.3s; }
.delay-2 { animation-delay: 0.55s; }
.delay-3 { animation-delay: 0.8s; }
.delay-4 { animation-delay: 1.05s; }

@keyframes riseIn {
    from { opacity: 0; transform: translateY(28px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ─── HEADER ─── */
header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 100;
    padding: 1.4rem 2rem;
    transition: background 0.5s ease, border-color 0.5s ease;
}

header.scrolled {
    background: rgba(7,7,15,0.88);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(201,168,76,0.1);
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-family: 'Bodoni Moda', serif;
    font-size: 1.35rem;
    letter-spacing: 0.28em;
    font-weight: 300;
    color: var(--text);
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 2.5rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--muted);
    font-size: 0.75rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    transition: color 0.3s;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--gold);
    transition: width 0.3s ease;
}

.nav-links a:hover { color: var(--gold); }
.nav-links a:hover::after { width: 100%; }

/* HAMBURGER */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    z-index: 200;
}

.hamburger span {
    display: block;
    width: 22px;
    height: 1px;
    background: var(--text);
    transition: all 0.3s ease;
}

.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(4px, 4px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(4px, -4px); }

/* ─── SECTIONS ─── */
.section {
    padding: 10rem 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
}

.container { max-width: 1200px; width: 100%; margin: 0 auto; }

.label {
    font-size: 0.65rem;
    letter-spacing: 0.55em;
    color: var(--gold);
    text-transform: uppercase;
    display: block;
    margin-bottom: 1.2rem;
}

.dark-label { color: #9a7d3a; }

.section-header { margin-bottom: 5rem; }

.section-title {
    font-size: clamp(2.2rem, 4.5vw, 3.8rem);
    font-weight: 300;
    margin-bottom: 1rem;
    color: var(--text);
}

.section-subtitle {
    color: var(--muted);
    font-size: 0.95rem;
    letter-spacing: 0.08em;
    font-weight: 300;
}

.gold-text { color: var(--gold); }

/* ─── HERO ─── */
.hero {
    min-height: 100vh;
    justify-content: center;
    background: linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
}

.hero-glow {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, rgba(201,168,76,0.045) 0%, transparent 65%);
    pointer-events: none;
}

.hero-content { position: relative; z-index: 1; max-width: 920px; }

.hero-content .label { margin-bottom: 2.5rem; }

.hero-content h2 {
    font-size: clamp(1.9rem, 4vw, 4.2rem);
    font-weight: 300;
    font-style: italic;
    line-height: 1.25;
    color: var(--text);
    margin-bottom: 2.5rem;
}

.author {
    font-size: 0.8rem;
    color: var(--gold);
    letter-spacing: 0.45em;
    text-transform: uppercase;
}

.scroll-hint {
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    opacity: 0.35;
}

.scroll-line {
    width: 1px;
    height: 56px;
    background: linear-gradient(to bottom, var(--gold), transparent);
    animation: pulse 2.2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 1; }
}

/* ─── FACTORS (light) ─── */
.light-section {
    background: var(--bg-light);
    color: var(--text-dark);
}

.dark-title { color: var(--text-dark); }
.dark-sub { color: var(--muted-dark); }

.factors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1px;
    background: #e8e5df;
}

.factor-card {
    background: var(--bg-light-2);
    padding: 3rem 2.5rem;
    text-align: left;
    position: relative;
    overflow: hidden;
    transition: transform 0.7s var(--ease), box-shadow 0.7s var(--ease);
}

.factor-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(201,168,76,0.05), transparent 60%);
    opacity: 0;
    transition: opacity 0.5s ease;
}

.factor-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 24px 64px rgba(0,0,0,0.12), 0 0 0 1px rgba(201,168,76,0.25);
    z-index: 1;
}

.factor-card:hover::before { opacity: 1; }

.card-num {
    font-family: 'Bodoni Moda', serif;
    font-size: 5.5rem;
    font-weight: 300;
    color: rgba(201,168,76,0.1);
    line-height: 1;
    margin-bottom: 0.8rem;
    position: relative;
    z-index: 1;
    transition: color 0.4s ease;
}

.factor-card:hover .card-num { color: rgba(201,168,76,0.18); }

.card-bar {
    width: 28px;
    height: 1px;
    background: var(--gold);
    margin-bottom: 1.4rem;
    transition: width 0.4s ease;
    position: relative;
    z-index: 1;
}

.factor-card:hover .card-bar { width: 56px; }

.factor-card h3 {
    font-family: 'Bodoni Moda', serif;
    font-size: 1.55rem;
    font-weight: 400;
    color: var(--text-dark);
    margin-bottom: 0.9rem;
    position: relative;
    z-index: 1;
}

.card-en {
    display: block;
    font-family: 'Inter', sans-serif;
    font-size: 0.72rem;
    letter-spacing: 0.2em;
    color: var(--gold);
    font-weight: 400;
    margin-top: 0.25rem;
    text-transform: uppercase;
}

.factor-card p {
    font-size: 0.92rem;
    color: var(--muted-dark);
    line-height: 1.85;
    font-weight: 300;
    position: relative;
    z-index: 1;
}

/* ─── PARADIGM (dark) ─── */
.dark-section {
    background: var(--bg-2);
    color: var(--text);
}

.dark-ambient {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 15% 50%, rgba(201,168,76,0.04) 0%, transparent 55%),
        radial-gradient(ellipse at 85% 50%, rgba(120,80,220,0.03) 0%, transparent 55%);
    pointer-events: none;
}

.paradigm-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
    gap: 2rem;
}

.step-card {
    padding: 3.5rem 2.5rem;
    border: 1px solid rgba(201,168,76,0.1);
    text-align: left;
    position: relative;
    overflow: hidden;
    transition: all 0.7s var(--ease);
    background: rgba(255,255,255,0.015);
}

.step-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--gold), transparent);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.step-card:hover {
    border-color: rgba(201,168,76,0.28);
    background: rgba(255,255,255,0.035);
    transform: translateY(-10px);
    box-shadow: 0 24px 48px rgba(0,0,0,0.4), var(--gold-glow);
}

.step-card:hover::before { opacity: 1; }

.step-num {
    font-family: 'Bodoni Moda', serif;
    font-size: 6rem;
    font-weight: 300;
    color: rgba(201,168,76,0.08);
    line-height: 1;
    margin-bottom: 1.2rem;
    transition: color 0.4s ease;
}

.step-card:hover .step-num { color: rgba(201,168,76,0.18); }

.step-card h3 {
    font-family: 'Bodoni Moda', serif;
    font-size: 1.55rem;
    font-weight: 400;
    color: var(--text);
    margin-bottom: 1rem;
}

.step-en {
    display: block;
    font-family: 'Inter', sans-serif;
    font-size: 0.7rem;
    letter-spacing: 0.2em;
    color: var(--gold);
    font-weight: 300;
    margin-top: 0.25rem;
    text-transform: uppercase;
}

.step-card p {
    color: var(--muted);
    font-size: 0.92rem;
    line-height: 1.85;
    font-weight: 300;
}

/* ─── AFFIRMATION ─── */
.affirmation-glow {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, rgba(201,168,76,0.07) 0%, transparent 65%);
    pointer-events: none;
}

.affirmation-box {
    max-width: 860px;
    margin: 0 auto;
    padding: 6rem 4rem;
    border: 1px solid rgba(201,168,76,0.18);
    background: rgba(201,168,76,0.02);
    position: relative;
    text-align: center;
}

/* corner brackets */
.corner {
    position: absolute;
    width: 40px;
    height: 40px;
    border-color: rgba(201,168,76,0.5);
    border-style: solid;
}
.corner.tl { top: -1px; left: -1px; border-width: 1px 0 0 1px; }
.corner.tr { top: -1px; right: -1px; border-width: 1px 1px 0 0; }
.corner.bl { bottom: -1px; left: -1px; border-width: 0 0 1px 1px; }
.corner.br { bottom: -1px; right: -1px; border-width: 0 1px 1px 0; }

.affirmation-box .label { margin-bottom: 1.2rem; }

.affirmation-box h2 {
    font-size: clamp(1.8rem, 3.5vw, 3rem);
    font-weight: 300;
    color: var(--text);
    margin-bottom: 3rem;
}

.affirmation-text {
    font-family: 'Cormorant Garamond', serif;
    font-size: clamp(1.2rem, 2.5vw, 2rem);
    font-style: italic;
    font-weight: 300;
    color: var(--text);
    line-height: 1.65;
    min-height: 90px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s ease;
    margin-bottom: 3rem;
}

.gold-button {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.9rem 2.4rem;
    background: none;
    border: 1px solid rgba(201,168,76,0.45);
    color: var(--gold-light);
    font-family: 'Inter', sans-serif;
    font-size: 0.75rem;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all 0.5s var(--ease);
}

.gold-button::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gold);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.45s var(--ease);
    z-index: 0;
}

.gold-button:hover {
    color: var(--bg);
    border-color: var(--gold);
    box-shadow: var(--gold-glow);
}

.gold-button:hover::before { transform: scaleX(1); }
.gold-button span, .gold-button svg { position: relative; z-index: 1; }

/* ─── FOOTER ─── */
footer {
    padding: 5rem 2rem;
    text-align: center;
    background: var(--bg);
    border-top: 1px solid rgba(201,168,76,0.08);
}

.footer-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.8rem;
}

.footer-logo {
    font-family: 'Bodoni Moda', serif;
    font-size: 1.6rem;
    letter-spacing: 0.32em;
    font-weight: 300;
    color: var(--gold);
    margin-bottom: 0.4rem;
}

.footer-quote {
    font-family: 'Cormorant Garamond', serif;
    font-style: italic;
    font-size: 1rem;
    color: var(--muted);
}

.footer-copy {
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    color: rgba(232,227,216,0.2);
    margin-top: 1rem;
}

/* ─── RESPONSIVE ─── */
@media (max-width: 768px) {
    .section { padding: 6rem 1.5rem; }
    .factors-grid { grid-template-columns: 1fr; }
    .paradigm-steps { grid-template-columns: 1fr; }
    .affirmation-box { padding: 3.5rem 1.8rem; }
    .hero-content h2 { font-size: 2rem; }

    .hamburger { display: flex; }

    .nav-links {
        position: fixed;
        inset: 0 0 0 30%;
        background: rgba(7,7,15,0.97);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 3rem;
        transform: translateX(100%);
        transition: transform 0.4s var(--ease);
        border-left: 1px solid rgba(201,168,76,0.1);
        z-index: 150;
    }

    .nav-links.open { transform: translateX(0); }

    .nav-links a {
        font-size: 1.1rem;
        letter-spacing: 0.3em;
        color: var(--text);
    }
}