:root {
    /* Colors */
    --color-bg: #FAFAF7;
    --color-bg-elevated: #FFFFFF;
    --color-bg-subtle: #F3F2EC;
    --color-ink: #0F2A44;
    --color-ink-soft: #3D4E63;
    --color-muted: #6B7280;
    --color-border: #E5E3D8;
    --color-accent: #F29F2A;
    --color-accent-deep: #D87E0E;
    --color-success: #7FB342;
    --color-info: #3FA7D6;
    --color-warn: #C97C2C;

    /* Typography */
    --font-display: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    /* Scale */
    --fs-display-xl: clamp(3rem, 7vw, 5.5rem);
    --fs-display-lg: clamp(2.25rem, 4.5vw, 3.5rem);
    --fs-display-md: clamp(1.5rem, 2.5vw, 2rem);
    --fs-lead: clamp(1.125rem, 1.4vw, 1.375rem);
    --fs-body: 1rem;
    --fs-sm: 0.875rem;
    --fs-xs: 0.75rem;

    /* Borders & Shadows */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --shadow-soft: 0 1px 2px rgba(15, 42, 68, 0.04), 0 8px 24px rgba(15, 42, 68, 0.06);
    --shadow-card: 0 1px 3px rgba(15, 42, 68, 0.05), 0 12px 32px rgba(15, 42, 68, 0.08);

    /* Spacing */
    --s-4: 1rem;
    --s-8: 2rem;
    --s-12: 3rem;
    --gutter: clamp(1.5rem, 5vw, 4rem);
}

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

body {
    font-family: var(--font-body);
    background-color: var(--color-bg);
    color: var(--color-ink);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4 {
    font-family: var(--font-display);
    line-height: 1.1;
    font-weight: 500;
}

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color 0.2s;
}
a:hover {
    color: var(--color-accent-deep);
}

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

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--gutter);
}

.section-padding {
    padding: 6rem 0;
}

.bg-subtle {
    background-color: var(--color-bg-subtle);
}

.text-center {
    text-align: center;
}

.text-muted { color: var(--color-muted); }
.text-sm { font-size: var(--fs-sm); }
.mt-4 { margin-top: 1rem; }

/* Typography Classes */
.section-title {
    font-size: var(--fs-display-lg);
    margin-bottom: 2rem;
}
.section-lead {
    font-size: var(--fs-lead);
    color: var(--color-ink-soft);
    margin-bottom: 3rem;
    text-align: center;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    border: 1px solid transparent;
}
.btn-primary {
    background-color: var(--color-accent);
    color: #fff;
}
.btn-primary:hover {
    background-color: var(--color-accent-deep);
    color: #fff;
}
.btn-outline {
    background-color: transparent;
    border-color: var(--color-ink);
    color: var(--color-ink);
}
.btn-outline:hover {
    background-color: var(--color-ink);
    color: #fff;
}
.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}
.btn-block {
    width: 100%;
}

/* Header */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(250, 250, 247, 0.9);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--color-border);
    padding: 1rem 0;
}
.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.main-nav {
    display: flex;
    gap: 2rem;
}
.main-nav a {
    color: var(--color-ink);
    font-weight: 500;
}
.main-nav a:hover {
    color: var(--color-accent);
}
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero */
.hero {
    position: relative;
    padding-top: 8rem;
    padding-bottom: 4rem;
    min-height: 90vh;
    display: flex;
    align-items: center;
}
.hero-bg-image {
    position: absolute;
    top: 0; right: 0; bottom: 0;
    width: 45%;
    z-index: -1;
}
.hero-bg-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.15;
    mask-image: linear-gradient(to right, transparent, black);
    -webkit-mask-image: linear-gradient(to right, transparent, black);
}
.hero-container {
    display: flex;
    align-items: center;
    gap: 4rem;
}
.hero-content {
    flex: 1.2;
}
.hero-visual {
    flex: 0.8;
    display: flex;
    justify-content: center;
    align-items: center;
}
/* Animated Hero Image */
.animated-hero-image {
    position: relative;
    width: 100%;
    max-width: 480px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    animation: float 6s ease-in-out infinite;
}
.animated-hero-image img {
    border-radius: var(--radius-lg);
    width: 100%;
    height: auto;
    object-fit: cover;
    aspect-ratio: 4/5;
}
.floating-badge {
    position: absolute;
    bottom: -20px;
    left: -20px;
    background: var(--color-bg-elevated);
    padding: 1rem 1.5rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-soft);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--color-ink);
    font-weight: 600;
    animation: float-delayed 7s ease-in-out infinite;
}
.floating-badge svg {
    color: var(--color-success);
}
@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
    100% { transform: translateY(0px); }
}
@keyframes float-delayed {
    0% { transform: translateY(0px); }
    50% { transform: translateY(10px); }
    100% { transform: translateY(0px); }
}
.hero-title {
    font-size: var(--fs-display-xl);
    margin-bottom: 1.5rem;
}
.accent-italic {
    font-style: italic;
    color: var(--color-accent);
}
.hero-lead {
    font-size: var(--fs-lead);
    color: var(--color-ink-soft);
    margin-bottom: 2.5rem;
    max-width: 600px;
}
.hero-actions {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}
.trust-strip {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    font-family: var(--font-mono);
    font-size: var(--fs-xs);
    color: var(--color-muted);
    align-items: center;
}
.trust-divider { color: var(--color-border); }

/* Cards Grid */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}
.card {
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 2rem;
    box-shadow: var(--shadow-soft);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card);
}
.card-icon {
    color: var(--color-accent);
    margin-bottom: 1.5rem;
}
.card h3 {
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

/* Timeline */
.timeline-container {
    max-width: 800px;
    margin: 0 auto;
}
.timeline {
    position: relative;
    padding-left: 3rem;
}
.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--color-border);
}
.timeline-item {
    position: relative;
    margin-bottom: 3rem;
}
.timeline-num {
    position: absolute;
    left: -3rem;
    top: 0;
    font-family: var(--font-mono);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-ink);
    background: var(--color-bg);
    padding: 0.5rem 0;
    transform: translateX(-50%);
    transition: color 0.3s ease;
}
.timeline-item.active .timeline-num {
    color: var(--color-accent);
}

/* Tabs */
.tabs-container {
    max-width: 1000px;
    margin: 0 auto;
}
.tabs-header {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
}
.tab-btn {
    padding: 1rem 2rem;
    font-family: var(--font-body);
    font-size: 1.1rem;
    font-weight: 600;
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    color: var(--color-ink-soft);
    transition: all 0.2s;
}
.tab-btn.active {
    color: var(--color-ink);
    border-bottom-color: var(--color-accent);
}
.tab-panel {
    display: none;
    animation: fadeIn 0.4s ease forwards;
}
.tab-panel.active {
    display: block;
}

.split-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}
.check-list {
    list-style: none;
    margin-top: 1.5rem;
}
.check-list li {
    position: relative;
    padding-left: 2rem;
    margin-bottom: 1rem;
}
.check-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-success);
    font-weight: bold;
}
.notice-box {
    background: rgba(201, 124, 44, 0.1);
    border-left: 4px solid var(--color-warn);
    padding: 1rem;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

/* Form */
.form-group {
    margin-bottom: 1.5rem;
}
.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    font-size: var(--fs-sm);
}
.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 1rem;
    background: var(--color-bg);
}
.form-control:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 2px rgba(242, 159, 42, 0.2);
}
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}
.radio-group {
    display: flex;
    gap: 1.5rem;
}

/* Footer */
.site-footer {
    background-color: var(--color-ink);
    color: white;
    padding: 4rem 0 2rem;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 2rem;
    margin-bottom: 3rem;
}
.footer-col h4 {
    color: var(--color-muted);
    font-size: var(--fs-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
}
.footer-col a {
    display: block;
    color: #fff;
    margin-bottom: 0.5rem;
    opacity: 0.8;
}
.footer-col a:hover {
    opacity: 1;
    color: var(--color-accent);
}
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    font-size: var(--fs-sm);
    color: var(--color-muted);
}

/* FAQ Accordion */
.faq-accordion {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.faq-item {
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
}
.faq-item summary {
    padding: 1.5rem;
    font-weight: 600;
    font-size: 1.1rem;
    cursor: pointer;
    list-style: none;
    position: relative;
    padding-right: 3rem;
}
.faq-item summary::-webkit-details-marker {
    display: none;
}
.faq-item summary::after {
    content: '+';
    position: absolute;
    right: 1.5rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.5rem;
    color: var(--color-accent);
    transition: transform 0.2s;
}
.faq-item[open] summary::after {
    content: '−';
}
.faq-item p {
    padding: 0 1.5rem 1.5rem;
    color: var(--color-ink-soft);
    border-top: 1px solid transparent;
}

/* Animations */
.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
    .reveal { opacity: 1; transform: none; transition: none; }
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-container { flex-direction: column; text-align: center; }
    .hero-bg-image { width: 100%; opacity: 0.05; }
    .hero-lead { margin: 0 auto 2.5rem; }
    .hero-actions { justify-content: center; }
    .trust-strip { justify-content: center; }
    .split-layout { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
    .main-nav { display: none; }
    .mobile-menu-toggle { display: block; }
    .header-inner .btn { display: none; }
    .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
    .form-row { grid-template-columns: 1fr; }
    .timeline::before { left: 1.5rem; }
    .timeline-num { left: 1.5rem; transform: none; background: transparent; }
    .timeline-content { margin-top: 2rem; }
}