:root {
    --color-primary: #2563eb;
    --color-secondary: #1d4ed8;
    --color-accent: #0ea5e9;
    --color-dark: #0f172a;
    --color-muted: #475569;
    --color-light: #f8fafc;
    --color-surface: rgba(255, 255, 255, 0.85);

    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 3rem;
    --space-xl: 5rem;

    --radius-md: 16px;
    --radius-lg: 28px;

    --shadow-soft: 0 12px 35px rgba(15, 23, 42, 0.08);
    --shadow-strong: 0 20px 60px rgba(15, 23, 42, 0.16);

    --font-heading: "Inter", "Segoe UI", Roboto, sans-serif;
    --font-body: "Inter", "Segoe UI", Roboto, sans-serif;

    --transition-base: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: 100%;
}

body {
    font-family: var(--font-body);
    background: linear-gradient(180deg, #f1f5f9 0%, #ffffff 45%);
    color: var(--color-dark);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

button {
    border: none;
    background: none;
    font: inherit;
    cursor: pointer;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-sm);
}

main {
    flex: 1 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(248, 250, 252, 0.9);
    backdrop-filter: blur(14px);
    box-shadow: 0 1px 20px rgba(15, 23, 42, 0.08);
    transition: var(--transition-base);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 72px;
}

.branding a {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: 0.08rem;
    color: var(--color-primary);
    text-transform: uppercase;
}

.nav-toggle {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    border: 1px solid rgba(37, 99, 235, 0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-base);
    color: var(--color-primary);
}

.nav-toggle:hover {
    background: rgba(37, 99, 235, 0.08);
}

.nav-menu {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.92);
    transform: translateX(100%);
    transition: var(--transition-base);
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: var(--space-xl) var(--space-md);
}

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

.nav-menu ul li + li {
    margin-top: var(--space-md);
}

.nav-menu a {
    font-size: 1.4rem;
    color: #e2e8f0;
    letter-spacing: 0.04rem;
    text-transform: uppercase;
    transition: var(--transition-base);
}

.nav-menu a:hover,
.nav-menu a:focus {
    color: #ffffff;
    text-shadow: 0 0 20px rgba(14, 165, 233, 0.8);
}

.nav-menu .nav-close {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #e2e8f0;
}

.site-footer {
    background: var(--color-dark);
    color: #e2e8f0;
    padding: var(--space-xl) 0 var(--space-lg);
    margin-top: var(--space-lg);
}

.footer-grid {
    display: grid;
    gap: var(--space-lg);
}

.footer-branding p {
    max-width: 420px;
    font-size: 0.95rem;
    color: #cbd5f5;
}

.footer-section h4 {
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.1rem;
    margin-bottom: var(--space-sm);
    color: #ffffff;
}

.footer-links a {
    display: inline-block;
    color: #cbd5f5;
    margin-bottom: 0.6rem;
    transition: var(--transition-base);
}

.footer-links a:hover {
    color: var(--color-accent);
}

.footer-bottom {
    border-top: 1px solid rgba(148, 163, 184, 0.2);
    padding-top: var(--space-md);
    margin-top: var(--space-lg);
    font-size: 0.85rem;
    text-align: center;
    color: #94a3b8;
}

.page-hero {
    padding: var(--space-xl) 0;
    background: #ffffff;
    position: relative;
    overflow: hidden;
}

.page-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at top right, rgba(37, 99, 235, 0.14), transparent 55%);
    pointer-events: none;
}

.page-hero .container {
    position: relative;
    z-index: 2;
}

.page-hero.homepage-hero {
    min-height: 90vh;
    display: flex;
    align-items: center;
    background: linear-gradient(140deg, rgba(37, 99, 235, 0.12), rgba(14, 165, 233, 0.05));
}

.page-hero.homepage-hero::after {
    content: "";
    position: absolute;
    width: 520px;
    height: 520px;
    right: -180px;
    top: -40px;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.2) 0%, transparent 60%);
}

.hero-content h1 {
    font-family: var(--font-heading);
    font-size: clamp(2.3rem, 4vw, 3.6rem);
    line-height: 1.1;
    color: var(--color-dark);
    margin-bottom: var(--space-md);
    letter-spacing: -0.02em;
}

.hero-content p {
    max-width: 560px;
    font-size: 1.05rem;
    color: var(--color-muted);
    margin-bottom: var(--space-lg);
}

.cta-group {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 1.75rem;
    border-radius: 999px;
    font-weight: 600;
    letter-spacing: 0.03rem;
    transition: var(--transition-base);
    box-shadow: var(--shadow-soft);
    min-height: 52px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: #ffffff;
}

.btn-primary:hover {
    transform: translateY(-2px) scale(1.01);
    box-shadow: var(--shadow-strong);
}

.btn-secondary {
    background: #ffffff;
    color: var(--color-primary);
    border: 1px solid rgba(37, 99, 235, 0.25);
}

.btn-secondary:hover {
    background: rgba(37, 99, 235, 0.06);
}

.grid {
    display: grid;
    gap: var(--space-md);
}

.grid.featured-grid {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    margin-top: var(--space-lg);
}

.card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    padding: var(--space-md);
    box-shadow: var(--shadow-soft);
    backdrop-filter: blur(12px);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-strong);
}

.card::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 40%, rgba(37, 99, 235, 0.12));
    opacity: 0;
    transition: var(--transition-base);
}

.card:hover::after {
    opacity: 1;
}

.section {
    padding: var(--space-xl) 0;
}

.section-header {
    margin-bottom: var(--space-lg);
    text-align: center;
}

.section-header h2 {
    font-size: clamp(1.9rem, 3vw, 2.6rem);
    font-family: var(--font-heading);
    margin-bottom: var(--space-sm);
}

.section-header p {
    max-width: 640px;
    margin: 0 auto;
    color: var(--color-muted);
}

.split-layout {
    display: grid;
    gap: var(--space-lg);
}

.split-layout img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
    object-fit: cover;
}

.detail-list {
    display: grid;
    gap: var(--space-sm);
}

.detail-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    padding: var(--space-sm);
    border-radius: var(--radius-md);
    background: rgba(37, 99, 235, 0.08);
    color: var(--color-dark);
}

.detail-list li span {
    font-weight: 600;
    color: var(--color-primary);
}

.insight-card {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.insight-card h3 {
    font-size: 1.25rem;
    font-family: var(--font-heading);
}

.insight-card time {
    font-size: 0.85rem;
    letter-spacing: 0.08rem;
    text-transform: uppercase;
    color: var(--color-muted);
}

.timeline {
    position: relative;
    padding-left: 2rem;
    display: grid;
    gap: var(--space-md);
}

.timeline::before {
    content: "";
    position: absolute;
    left: 10px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: rgba(37, 99, 235, 0.25);
}

.timeline-item {
    position: relative;
    padding-left: var(--space-sm);
}

.timeline-item::before {
    content: "";
    position: absolute;
    left: -16px;
    top: 6px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: #ffffff;
    border: 3px solid var(--color-primary);
}

.highlight-box {
    background: rgba(14, 165, 233, 0.12);
    border-radius: var(--radius-lg);
    padding: var(--space-md);
    color: var(--color-dark);
    box-shadow: var(--shadow-soft);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    overflow: hidden;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
    background: #ffffff;
}

.data-table thead {
    background: rgba(37, 99, 235, 0.1);
}

.data-table th,
.data-table td {
    padding: 1rem 1.2rem;
    text-align: left;
    border-bottom: 1px solid rgba(100, 116, 139, 0.2);
    font-size: 0.95rem;
}

.data-table tbody tr:hover {
    background: rgba(37, 99, 235, 0.06);
}

.form-card {
    background: #ffffff;
    border-radius: var(--radius-lg);
    padding: var(--space-md);
    box-shadow: var(--shadow-soft);
}

.form-grid {
    display: grid;
    gap: var(--space-sm);
}

.form-grid.two-column {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--space-md);
}

label {
    font-weight: 600;
    font-size: 0.95rem;
    display: block;
    margin-bottom: 0.4rem;
    color: var(--color-dark);
}

input,
textarea,
select {
    width: 100%;
    padding: 0.85rem 1rem;
    border: 1px solid rgba(148, 163, 184, 0.4);
    border-radius: var(--radius-md);
    font: inherit;
    background: rgba(248, 250, 252, 0.8);
    transition: var(--transition-base);
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.15);
}

textarea {
    min-height: 140px;
    resize: vertical;
}

.contact-info {
    background: rgba(37, 99, 235, 0.1);
    padding: var(--space-md);
    border-radius: var(--radius-lg);
    display: grid;
    gap: var(--space-sm);
    box-shadow: var(--shadow-soft);
}

.contact-info a {
    color: var(--color-dark);
    font-weight: 600;
    word-break: break-word;
}

.cookie-banner {
    position: fixed;
    bottom: var(--space-sm);
    right: var(--space-sm);
    left: var(--space-sm);
    background: rgba(15, 23, 42, 0.9);
    color: #e2e8f0;
    padding: var(--space-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-strong);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    z-index: 1200;
}

.cookie-banner.hidden {
    display: none;
}

.cookie-banner p {
    font-size: 0.95rem;
}

.cookie-actions {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.cookie-actions a {
    color: var(--color-accent);
    text-decoration: underline;
}

.cookie-btn {
    flex: 1;
    min-width: 140px;
    padding: 0.75rem 1.2rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: var(--transition-base);
}

.cookie-accept {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: #ffffff;
}

.cookie-decline {
    background: rgba(248, 250, 252, 0.15);
    color: #ffffff;
    border: 1px solid rgba(148, 163, 184, 0.35);
}

.cookie-accept:hover,
.cookie-decline:hover {
    transform: translateY(-1px);
}

.table-of-contents {
    background: rgba(37, 99, 235, 0.08);
    padding: var(--space-md);
    border-radius: var(--radius-lg);
    display: grid;
    gap: 0.6rem;
}

.table-of-contents a {
    color: var(--color-primary);
    font-weight: 600;
}

.policy-section {
    margin-bottom: var(--space-lg);
}

.policy-section h2 {
    font-size: 1.6rem;
    margin-bottom: var(--space-sm);
}

.policy-section p,
.policy-section ul {
    color: var(--color-muted);
}

.policy-section ul {
    padding-left: 1.2rem;
}

.policy-section ul li {
    margin-bottom: 0.4rem;
    list-style: disc;
}

.faq-accordion {
    display: grid;
    gap: var(--space-sm);
}

.faq-item {
    border-radius: var(--radius-lg);
    background: #ffffff;
    box-shadow: var(--shadow-soft);
    overflow: hidden;
}

.faq-item summary {
    padding: var(--space-md);
    font-weight: 600;
    cursor: pointer;
    list-style: none;
    position: relative;
}

.faq-item summary::after {
    content: "＋";
    position: absolute;
    right: var(--space-md);
    font-size: 1.5rem;
    transition: var(--transition-base);
    color: var(--color-primary);
}

details[open] summary::after {
    content: "−";
}

.faq-item p {
    padding: 0 var(--space-md) var(--space-md);
    color: var(--color-muted);
}

@media (min-width: 768px) {
    .header-inner {
        min-height: 80px;
    }

    .nav-toggle {
        display: none;
    }

    .nav-menu {
        position: static;
        background: transparent;
        transform: none;
        flex-direction: row;
        justify-content: flex-end;
        align-items: center;
        padding: 0;
    }

    .nav-menu ul {
        display: flex;
        gap: var(--space-md);
    }

    .nav-menu ul li + li {
        margin-top: 0;
    }

    .nav-menu a {
        font-size: 0.95rem;
        color: var(--color-dark);
        text-transform: none;
    }

    .nav-menu a:hover {
        color: var(--color-primary);
        text-shadow: none;
    }

    .nav-menu .nav-close {
        display: none;
    }

    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr 1fr;
    }

    .split-layout {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        align-items: center;
    }

    .cookie-banner {
        flex-direction: row;
        align-items: center;
        gap: var(--space-md);
    }

    .cookie-banner p {
        flex: 2;
        margin: 0;
    }

    .cookie-actions {
        flex: 1;
        justify-content: flex-end;
    }
}

@media (min-width: 1024px) {
    .hero-content p {
        font-size: 1.125rem;
    }

    .grid.featured-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .cookie-banner {
        max-width: 900px;
        left: auto;
    }
}