/* ════════════════════════════════════════════
   VisionOS-Inspired Corporate Design System
   ════════════════════════════════════════════ */

:root {
    --navy: #0a0e27;
    --navy-mid: #141938;
    --blue: #1d4ed8;
    --blue-light: #3b82f6;
    --white: #ffffff;
    --off-white: #f8f9fc;
    --gray-50: #f1f3f9;
    --gray-100: #e5e7f0;
    --gray-300: #c4c8d8;
    --gray-500: #6b7194;
    --gray-700: #374068;
    --gray-900: #1a1f3d;
    --font-serif: 'DM Serif Display', Georgia, serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* ── Reset & Base ── */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    color: var(--gray-900);
    background: var(--white);
    line-height: 1.7;
    overflow-x: hidden;
}

img {
    display: block;
    max-width: 100%;
    height: auto;
}

a {
    color: inherit;
    text-decoration: none;
}

/* ── Container ── */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 64px;
}

/* ════════════════════
   Navigation
   ════════════════════ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 64px;
    height: 72px;
    background: rgba(10, 14, 39, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255,255,255,0.06);
    transition: background 0.3s;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--white);
    letter-spacing: 0.02em;
}

.nav-logo-icon {
    width: 32px;
    height: 32px;
    background: var(--blue);
    border-radius: 8px;
    position: relative;
}
.nav-logo-icon::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 6px;
    height: 6px;
    background: var(--white);
    border-radius: 50%;
}

.nav-links {
    display: flex;
    gap: 36px;
}

.nav-links a {
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--gray-300);
    transition: color 0.2s;
    position: relative;
}
.nav-links a::before {
    content: '■';
    font-size: 6px;
    margin-right: 8px;
    color: var(--blue);
    vertical-align: middle;
}
.nav-links a:hover {
    color: var(--white);
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}
.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--white);
    transition: all 0.3s;
    border-radius: 2px;
}
.navbar-scrolled .nav-toggle span {
    background: var(--gray-900);
}

.navbar-scrolled {
    background: rgba(255,255,255,0.97) !important;
    border-bottom-color: rgba(0,0,0,0.08) !important;
}
.navbar-scrolled .nav-logo {
    color: var(--gray-900);
}
.navbar-scrolled .nav-links a {
    color: var(--gray-500);
}
.navbar-scrolled .nav-links a:hover {
    color: var(--gray-900);
}
.navbar-scrolled .nav-cta {
    background: var(--navy);
    color: var(--white);
}
.navbar-scrolled .nav-cta:hover {
    background: var(--navy-mid);
}

.nav-cta {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--gray-900);
    background: var(--white);
    padding: 10px 24px;
    border-radius: 8px;
    transition: all 0.25s;
    white-space: nowrap;
}
.nav-cta:hover {
    background: var(--gray-50);
}

.nav-cta-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: var(--blue);
    border-radius: 6px;
    color: var(--white);
}

/* ════════════════════
   Hero
   ════════════════════ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: flex-end;
    padding: 0 64px 80px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: 
        linear-gradient(180deg, var(--navy) 0%, rgba(10,14,39,0.6) 50%, var(--navy) 100%),
        radial-gradient(ellipse at 30% 20%, rgba(59, 130, 246, 0.35) 0%, transparent 60%),
        radial-gradient(ellipse at 70% 70%, rgba(99, 102, 241, 0.2) 0%, transparent 50%);
    background-color: var(--navy);
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 720px;
}

.hero-title {
    font-family: var(--font-serif);
    font-size: clamp(2.8rem, 5vw, 4.2rem);
    font-weight: 400;
    line-height: 1.15;
    color: var(--white);
    margin-bottom: 28px;
    letter-spacing: -0.01em;
    overflow: hidden;
}

.hero-word {
    display: inline-block;
    margin-right: 0.25em;
}

.hero-subtitle {
    font-size: 1.05rem;
    color: var(--gray-300);
    max-width: 540px;
    line-height: 1.7;
    margin-bottom: 48px;
}

.hero-meta {
    display: inline-flex;
    align-items: center;
    gap: 0;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 0;
    overflow: hidden;
}

.hero-meta-item {
    padding: 20px 32px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.meta-label {
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--gray-500);
}

.meta-value {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--white);
}

.hero-meta-divider {
    width: 1px;
    height: 40px;
    background: rgba(255,255,255,0.1);
}

/* ════════════════════
   Sections
   ════════════════════ */
.section {
    padding: 120px 0;
}

.section-white {
    background: var(--white);
}

.section-light {
    background: var(--off-white);
}

.section-navy {
    background: var(--navy);
    color: var(--white);
}

.section-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: var(--navy);
    color: var(--white);
    border-radius: 10px;
    margin-bottom: 32px;
    position: relative;
}
.section-icon::after {
    content: '';
    position: absolute;
    top: -3px;
    right: -3px;
    width: 8px;
    height: 8px;
    background: var(--blue);
    border-radius: 50%;
}

.section-navy .section-icon {
    background: rgba(255,255,255,0.1);
    color: var(--white);
}

.section-heading {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 3.5vw, 2.8rem);
    font-weight: 400;
    line-height: 1.2;
    color: var(--gray-900);
    margin-bottom: 24px;
    letter-spacing: -0.01em;
}

.section-navy .section-heading {
    color: var(--white);
}

.section-desc {
    font-size: 1rem;
    color: var(--gray-500);
    max-width: 560px;
    line-height: 1.8;
    margin-bottom: 64px;
}

.section-desc strong {
    color: var(--gray-900);
    font-weight: 600;
}

.section-navy .section-desc {
    color: var(--gray-300);
}
.section-navy .section-desc strong {
    color: var(--white);
}

/* ════════════════════
   Features Grid (3-col)
   ════════════════════ */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--gray-100);
    border: 1px solid var(--gray-100);
}

.feature-card {
    background: var(--white);
    padding: 40px 32px;
    transition: background 0.3s;
}
.feature-card:hover {
    background: var(--off-white);
}

.feature-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: var(--navy);
    color: var(--white);
    border-radius: 10px;
    margin-bottom: 24px;
    position: relative;
}
.feature-icon::after {
    content: '';
    position: absolute;
    top: -3px;
    right: -3px;
    width: 8px;
    height: 8px;
    background: var(--blue);
    border-radius: 50%;
}

.feature-card h3 {
    font-family: var(--font-sans);
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 12px;
}

.feature-card p {
    font-size: 0.9rem;
    color: var(--gray-500);
    line-height: 1.7;
}

/* ════════════════════
   Outcomes
   ════════════════════ */
.outcomes-grid {
    display: flex;
    flex-direction: column;
    gap: 0;
    margin-bottom: 64px;
}

.outcome-item {
    display: flex;
    align-items: flex-start;
    gap: 32px;
    padding: 32px 0;
    border-bottom: 1px solid var(--gray-100);
}
.outcome-item:first-child {
    border-top: 1px solid var(--gray-100);
}

.outcome-number {
    font-family: var(--font-serif);
    font-size: 2rem;
    color: var(--blue);
    line-height: 1;
    min-width: 48px;
}

.outcome-item h4 {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 6px;
}

.outcome-item p {
    font-size: 0.9rem;
    color: var(--gray-500);
}

.methodology-badges {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.method-badge {
    display: inline-block;
    padding: 10px 20px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--navy);
    border: 1px solid var(--gray-100);
    background: var(--white);
    border-radius: 0;
}

/* ════════════════════
   Speaker Section
   ════════════════════ */
.speaker-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.speaker-img-wrapper {
    overflow: hidden;
    border-radius: 0;
    position: relative;
}
.speaker-img-wrapper img {
    width: 100%;
    height: 600px;
    object-fit: cover;
    object-position: center top;
    display: block;
}

.speaker-tag {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--blue-light);
    margin-bottom: 16px;
}

.speaker-name {
    font-family: var(--font-serif);
    font-size: 2.6rem;
    font-weight: 400;
    color: var(--white);
    margin-bottom: 8px;
}

.speaker-role {
    font-size: 1rem;
    color: var(--gray-300);
    margin-bottom: 28px;
    font-weight: 500;
}

.speaker-bio {
    font-size: 1rem;
    color: var(--gray-300);
    line-height: 1.8;
    margin-bottom: 0;
}

.speaker-bio-extended {
    height: 0;
    overflow: hidden;
    opacity: 0;
}
.speaker-bio-extended p {
    font-size: 0.95rem;
    color: var(--gray-300);
    line-height: 1.8;
    margin-top: 16px;
}

.btn-toggle {
    background: none;
    border: none;
    color: var(--blue-light);
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    padding: 0;
    margin-top: 16px;
    display: inline-block;
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s;
}
.btn-toggle:hover {
    border-bottom-color: var(--blue-light);
}

.speaker-actions {
    display: flex;
    gap: 16px;
    margin-top: 40px;
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 24px;
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--white);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: 8px;
    transition: all 0.25s;
}
.btn-outline:hover {
    background: rgba(255,255,255,0.08);
    border-color: rgba(255,255,255,0.4);
}

/* ════════════════════
   Investment
   ════════════════════ */
.investment-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

.investment-card {
    background: var(--navy);
    color: var(--white);
    padding: 56px 48px;
    border-radius: 0;
    position: relative;
}

.price-old {
    font-size: 0.85rem;
    color: var(--gray-500);
    text-decoration: line-through;
    margin-bottom: 12px;
}

.price-current {
    display: flex;
    align-items: baseline;
    gap: 4px;
    margin-bottom: 16px;
}

.price-symbol {
    font-family: var(--font-serif);
    font-size: 2rem;
    color: var(--white);
}

.price-amount {
    font-family: var(--font-serif);
    font-size: 3.8rem;
    font-weight: 400;
    color: var(--white);
    line-height: 1;
}

.price-currency {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--gray-300);
    margin-left: 8px;
}

.price-note {
    font-size: 0.85rem;
    color: var(--gray-500);
    margin-bottom: 40px;
    line-height: 1.6;
}

.price-includes {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 32px;
    margin-bottom: 40px;
}

.price-includes h4 {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--gray-300);
    margin-bottom: 16px;
}

.price-includes ul {
    list-style: none;
}

.price-includes li {
    font-size: 0.95rem;
    color: var(--gray-300);
    padding: 8px 0;
    position: relative;
    padding-left: 20px;
}
.price-includes li::before {
    content: '—';
    position: absolute;
    left: 0;
    color: var(--blue-light);
}

.bonus-box {
    margin-top: 24px;
    padding: 24px;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.3);
    border-radius: 8px;
    position: relative;
    margin-bottom: 32px;
}

.bonus-badge {
    position: absolute;
    top: -12px;
    left: 24px;
    background: var(--blue);
    color: var(--white);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 4px 12px;
    border-radius: 4px;
}

.bonus-box strong {
    display: block;
    font-family: var(--font-sans);
    font-size: 1.05rem;
    color: var(--white);
    margin-bottom: 8px;
}

.bonus-box p {
    font-size: 0.9rem;
    color: var(--gray-300);
    line-height: 1.6;
    margin: 0;
}

.btn-solid {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--navy);
    background: var(--white);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.25s;
    font-family: var(--font-sans);
    text-decoration: none;
}
.btn-solid:hover {
    background: var(--gray-50);
    transform: translateY(-1px);
}

/* ════════════════════
   Footer
   ════════════════════ */
.site-footer {
    background: var(--navy);
    border-top: 1px solid rgba(255,255,255,0.06);
    padding: 32px 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: var(--gray-500);
}

.footer-content a {
    color: var(--gray-300);
    transition: color 0.2s;
}
.footer-content a:hover {
    color: var(--white);
}

/* ════════════════════
   Responsive
   ════════════════════ */
@media (max-width: 1024px) {
    .container {
        padding: 0 32px;
    }
    .navbar {
        padding: 0 32px;
    }
    .hero {
        padding: 0 32px 64px;
    }
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .speaker-layout, .investment-layout {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    .investment-info .section-heading {
        text-align: left;
    }
    .speaker-img-wrapper img {
        height: 420px;
    }
}

@media (max-width: 767px) {
    .container {
        padding: 0 20px;
    }
    .navbar {
        padding: 0 20px;
        height: 60px;
    }
    .nav-links {
        display: none;
        position: absolute;
        top: 60px;
        left: 0;
        right: 0;
        background: var(--navy);
        flex-direction: column;
        gap: 0;
        border-top: 1px solid rgba(255,255,255,0.08);
        z-index: 999;
    }
    .nav-links.open {
        display: flex;
    }
    .navbar-scrolled .nav-links {
        background: var(--white);
        border-top-color: var(--gray-100);
    }
    .nav-links a {
        padding: 16px 20px;
        border-bottom: 1px solid rgba(255,255,255,0.06);
        font-size: 0.95rem;
    }
    .nav-links a::before {
        display: none;
    }
    .nav-toggle {
        display: flex;
    }
    .nav-cta {
        display: none;
    }
    .hero {
        padding: 0 20px 48px;
        min-height: 90vh;
        align-items: flex-end;
    }
    .hero-title {
        font-size: clamp(2rem, 8vw, 2.8rem);
    }
    .hero-meta {
        flex-direction: column;
        width: 100%;
        align-items: stretch;
    }
    .hero-meta-item {
        padding: 16px 20px;
        align-items: flex-start;
    }
    .hero-meta-divider {
        width: 100%;
        height: 1px;
    }
    .section {
        padding: 72px 0;
    }
    .section-heading {
        font-size: 1.9rem;
    }
    .features-grid {
        grid-template-columns: 1fr;
        gap: 1px;
    }
    .speaker-layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .speaker-img-wrapper img {
        height: 340px;
    }
    .speaker-name {
        font-size: 2rem;
    }
    .speaker-actions {
        flex-direction: column;
    }
    .investment-layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .investment-card {
        padding: 36px 24px;
    }
    .price-amount {
        font-size: 3rem;
    }
    .outcome-item {
        gap: 20px;
    }
    .outcome-number {
        font-size: 1.5rem;
        min-width: 36px;
    }
    .methodology-badges {
        gap: 8px;
    }
    .method-badge {
        font-size: 0.8rem;
        padding: 8px 14px;
    }
    .footer-content {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }
}
