/* ============================================================
   CR7 — The Journey | Apple-Style Design
   ============================================================ */

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

:root {
    --bg: #f5f5f7;
    --bg-alt: #ffffff;
    --text: #1d1d1f;
    --text-secondary: #86868b;
    --text-tertiary: #aeaeb2;
    --gold: #d4a843;
    --gold-dark: #b8922e;
    --link: #06c;
    --nav-bg: rgba(245,245,247,0.8);
    --card-shadow: 0 4px 24px rgba(0,0,0,0.06);
    --section-gap: 120px;
    font-size: 16px;
}

html {
    scroll-behavior: smooth;
}

body {
    background: var(--bg);
    color: var(--text);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    -webkit-font-smoothing: antialiased;
    line-height: 1.6;
    overflow-x: hidden;
}

/* ======== NAV ======== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: var(--nav-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0,0,0,0.06);
}

.nav-inner {
    max-width: 980px;
    margin: 0 auto;
    padding: 14px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--text);
}

.nav-title {
    font-size: 0.8rem;
    font-weight: 400;
    color: var(--text-secondary);
    letter-spacing: 2px;
    text-transform: uppercase;
}

/* ======== HERO ======== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 100px 24px 60px;
    background: linear-gradient(180deg, #f5f5f7 0%, #e8e6e0 100%);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 800px;
    height: 800px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(212,168,67,0.08) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    pointer-events: none;
}

.hero-glow {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 200px;
    background: linear-gradient(0deg, #f5f5f7 0%, transparent 100%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 720px;
    opacity: 0;
    transform: translateY(30px);
    animation: hero-enter 1.2s 0.3s forwards;
}

@keyframes hero-enter {
    to { opacity: 1; transform: translateY(0); }
}

.hero-kicker {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 4px;
    color: var(--gold-dark);
    margin-bottom: 1.5rem;
    text-transform: uppercase;
}

.hero-title {
    font-size: clamp(3.2rem, 10vw, 6rem);
    font-weight: 700;
    letter-spacing: -2px;
    line-height: 1.05;
    color: var(--text);
    margin-bottom: 1.5rem;
}

.hero-sub {
    font-size: clamp(1rem, 2vw, 1.25rem);
    font-weight: 400;
    color: var(--text-secondary);
    max-width: 560px;
    margin: 0 auto 2rem;
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 1px;
    animation: bounce-down 2.5s infinite;
}

.cta-arrow {
    font-size: 1rem;
    display: inline-block;
}

@keyframes bounce-down {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(6px); }
}

/* ======== STATS BAR ======== */
.stats-bar {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0;
    padding: 40px 24px;
    background: #fff;
    border-bottom: 1px solid #e8e8ed;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
    padding: 12px 32px;
}

.stat-num {
    display: block;
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text);
    letter-spacing: -1px;
}

.stat-label {
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-top: 4px;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: #e8e8ed;
}

@media (max-width: 700px) {
    .stats-bar { gap: 0; padding: 24px 16px; }
    .stat-item { padding: 8px 16px; }
    .stat-num { font-size: 1.3rem; }
    .stat-divider { height: 30px; }
}

/* ======== CHAPTER ======== */
.chapter {
    padding: var(--section-gap) 24px;
    background: var(--bg);
}

.chapter-alt {
    background: #fff;
}

.chapter-inner {
    max-width: 980px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.chapter-inner-rev {
    direction: rtl;
}

.chapter-inner-rev > * {
    direction: ltr;
}

.chapter-image {
    position: relative;
}

.img-wrapper {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--card-shadow);
    transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.img-wrapper:hover {
    transform: scale(1.02);
}

.img-wrapper img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    display: block;
}

.img-badge {
    position: absolute;
    top: 16px;
    left: 16px;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(10px);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text);
    letter-spacing: 0.5px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.chapter-text {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.chapter-text.visible {
    opacity: 1;
    transform: translateY(0);
}

.chapter-number {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--gold);
    opacity: 0.2;
    line-height: 1;
    margin-bottom: 0.5rem;
    letter-spacing: -3px;
}

.chapter-title {
    font-size: clamp(1.5rem, 3vw, 2.2rem);
    font-weight: 700;
    letter-spacing: -0.5px;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.chapter-desc {
    font-size: 0.95rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-weight: 400;
}

.chapter-meta {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.chapter-meta span {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    font-weight: 500;
    letter-spacing: 0.3px;
}

@media (max-width: 768px) {
    .chapter-inner,
    .chapter-inner-rev {
        grid-template-columns: 1fr;
        gap: 32px;
        direction: ltr;
    }
    .chapter-inner-rev > * { direction: ltr; }
    .img-wrapper img { height: 260px; }
    .chapter { padding: 60px 20px; --section-gap: 60px; }
    .chapter-number { font-size: 2.5rem; }
}

/* ======== LEGACY ======== */
.legacy {
    padding: 100px 24px;
    background: linear-gradient(180deg, #fff 0%, #f5f5f7 100%);
    text-align: center;
}

.legacy-inner {
    max-width: 680px;
    margin: 0 auto;
}

.legacy-kicker {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 4px;
    color: var(--gold-dark);
    margin-bottom: 1rem;
    text-transform: uppercase;
}

.legacy-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    letter-spacing: -1px;
    line-height: 1.15;
    margin-bottom: 3rem;
}

.legacy-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.legacy-card {
    background: #fff;
    border-radius: 16px;
    padding: 28px 16px;
    box-shadow: var(--card-shadow);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    transition: transform 0.3s, box-shadow 0.3s;
}

.legacy-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 32px rgba(0,0,0,0.1);
}

.legacy-icon {
    font-size: 1.5rem;
}

.legacy-stat {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text);
    letter-spacing: -1px;
}

.legacy-label {
    font-size: 0.65rem;
    font-weight: 500;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

@media (max-width: 600px) {
    .legacy-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .legacy-card {
        padding: 20px 12px;
    }
    .legacy-stat { font-size: 1.2rem; }
}

/* ======== FOOTER ======== */
.footer {
    background: #fff;
    border-top: 1px solid #e8e8ed;
    padding: 24px;
}

.footer-inner {
    max-width: 980px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-text {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text);
}

.footer-url {
    font-size: 0.7rem;
    color: var(--text-tertiary);
    letter-spacing: 1px;
}

@media (max-width: 480px) {
    .footer-inner {
        flex-direction: column;
        gap: 4px;
        text-align: center;
    }
}