/* ========================================
   CISO Toolbox — Styles
   ======================================== */

@font-face {
    font-family: 'Inter';
    src: url('fonts/Inter-Variable.woff2') format('woff2-variations');
    font-weight: 100 900;
    font-style: normal;
    font-display: swap;
}

:root {
    --color-bg: #0a0e1a;
    --color-surface: #111827;
    --color-surface-hover: #1a2235;
    --color-border: #1e293b;
    --color-border-hover: #334155;
    --color-text: #e2e8f0;
    --color-text-muted: #94a3b8;
    --color-text-dim: #64748b;
    --color-primary: #3b82f6;
    --color-primary-hover: #60a5fa;
    --color-primary-glow: rgba(59, 130, 246, 0.15);
    --color-accent: #06b6d4;
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --transition: 0.2s ease;
}

*, *::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);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ========================================
   Header & Navigation
   ======================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(10, 14, 26, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--color-text);
    font-weight: 700;
    font-size: 1.1rem;
}

.logo-icon {
    width: 28px;
    height: 28px;
    color: var(--color-primary);
}

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-links a {
    text-decoration: none;
    color: var(--color-text-muted);
    font-size: 0.9rem;
    font-weight: 500;
    transition: color var(--transition);
}

.nav-links a:hover {
    color: var(--color-text);
}

.lang-toggle {
    padding: 4px 10px;
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: 4px;
    background: transparent;
    color: inherit;
    font-weight: 700;
    font-size: 0.8em;
    cursor: pointer;
    letter-spacing: 0.5px;
}

.lang-toggle:hover {
    background: rgba(255,255,255,0.1);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.mobile-menu-btn span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--color-text-muted);
    border-radius: 1px;
    transition: var(--transition);
}

/* ========================================
   Hero
   ======================================== */

.hero {
    padding: 160px 0 40px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -200px;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 600px;
    background: radial-gradient(ellipse, var(--color-primary-glow) 0%, transparent 70%);
    pointer-events: none;
}

.hero-badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-primary-hover);
    margin-bottom: 24px;
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 20px;
}

.gradient-text {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--color-text-muted);
    max-width: 640px;
    margin: 0 auto 36px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ========================================
   Buttons
   ======================================== */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--color-primary);
    color: white;
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
    background: var(--color-primary-hover);
    box-shadow: 0 0 30px rgba(59, 130, 246, 0.4);
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--color-surface);
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    background: var(--color-surface-hover);
    border-color: var(--color-border-hover);
    transform: translateY(-1px);
}

/* ========================================
   Sections
   ======================================== */

section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 12px;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    max-width: 560px;
    margin: 0 auto;
}

/* ========================================
   Why Section
   ======================================== */

.why {
    padding-top: 60px;
}

.why-content {
    max-width: 780px;
    margin: 0 auto;
}

.why-context,
.why-approach {
    margin-bottom: 40px;
}

.why-content h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--color-text);
}

.why-content p {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    line-height: 1.8;
    margin-bottom: 12px;
}

.why-content a {
    color: var(--color-primary-hover);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition);
}

.why-content a:hover {
    color: var(--color-primary);
    text-decoration: underline;
}

.why-list {
    list-style: none;
    padding: 0;
    margin-top: 16px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.why-list li {
    position: relative;
    padding-left: 24px;
    font-size: 0.95rem;
    color: var(--color-text-muted);
    line-height: 1.7;
}

.why-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 8px;
    height: 8px;
    background: var(--color-primary);
    border-radius: 50%;
}

.why-list li strong {
    color: var(--color-text);
}

.why-note {
    padding: 20px 24px;
    background: rgba(59, 130, 246, 0.06);
    border: 1px solid rgba(59, 130, 246, 0.15);
    border-radius: var(--radius-md);
}

.why-note p {
    margin-bottom: 0;
    font-size: 0.9rem;
}

/* ========================================
   Tool Cards
   ======================================== */

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 20px;
}

.tool-card {
    position: relative;
    padding: 28px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: all 0.3s ease;
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
}

.tool-card--available {
    cursor: pointer;
}

.tool-card--available:hover {
    border-color: var(--color-primary);
    box-shadow: 0 0 40px var(--color-primary-glow);
    transform: translateY(-4px);
}

.tool-card--upcoming {
    opacity: 0.65;
}

.tool-card-status {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 16px;
    width: fit-content;
}

.tool-card--available .tool-card-status {
    background: rgba(16, 185, 129, 0.15);
    color: var(--color-success);
}

.tool-card--upcoming .tool-card-status {
    background: rgba(245, 158, 11, 0.15);
    color: var(--color-warning);
}

.tool-card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
}

.tool-card-icon {
    width: 44px;
    height: 44px;
    color: var(--color-primary);
    flex-shrink: 0;
}

.tool-card-name {
    font-size: 1.4rem;
    font-weight: 800;
    color: white;
    letter-spacing: 0.5px;
}

.tool-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.tool-card p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.6;
    flex-grow: 1;
}

.tool-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 16px;
}

.tool-card-tags span {
    padding: 4px 10px;
    background: rgba(59, 130, 246, 0.1);
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-primary-hover);
}

.tool-card-link {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-primary);
    transition: gap var(--transition);
}

.tool-card--available:hover .tool-card-link {
    gap: 10px;
}

/* ========================================
   Approach / Principles
   ======================================== */

.approach {
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.principles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 32px;
}

.principle {
    text-align: center;
}

.principle-icon {
    width: 48px;
    height: 48px;
    color: var(--color-primary);
    margin: 0 auto 16px;
}

.principle h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.principle p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.6;
}

/* ========================================
   How It Works
   ======================================== */

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 32px;
}

.step {
    text-align: center;
    padding: 32px 24px;
}

.step-number {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(59, 130, 246, 0.1);
    border: 2px solid rgba(59, 130, 246, 0.3);
    border-radius: 50%;
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--color-primary);
    margin: 0 auto 16px;
}

.step h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.step p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.6;
}

/* ========================================
   Roadmap / Timeline
   ======================================== */

.timeline {
    max-width: 600px;
    margin: 0 auto;
    position: relative;
    padding-left: 40px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 11px;
    top: 8px;
    bottom: 8px;
    width: 2px;
    background: var(--color-border);
}

.timeline-item {
    position: relative;
    padding-bottom: 32px;
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-marker {
    position: absolute;
    left: -40px;
    top: 4px;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--color-surface);
    border: 2px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
}

.timeline-item--done .timeline-marker {
    background: var(--color-success);
    border-color: var(--color-success);
}

.timeline-item--done .timeline-marker::after {
    content: '';
    width: 8px;
    height: 8px;
    background: white;
    border-radius: 50%;
}

.timeline-item--next .timeline-marker {
    background: var(--color-primary);
    border-color: var(--color-primary);
    box-shadow: 0 0 12px rgba(59, 130, 246, 0.4);
}

.timeline-item--next .timeline-marker::after {
    content: '';
    width: 8px;
    height: 8px;
    background: white;
    border-radius: 50%;
}

.timeline-label {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 6px;
}

.timeline-item--done .timeline-label {
    background: rgba(16, 185, 129, 0.15);
    color: var(--color-success);
}

.timeline-item--next .timeline-label {
    background: rgba(59, 130, 246, 0.15);
    color: var(--color-primary);
}

.timeline-item:not(.timeline-item--done):not(.timeline-item--next) .timeline-label {
    background: rgba(100, 116, 139, 0.15);
    color: var(--color-text-dim);
}

.timeline-content h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.timeline-content p {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

/* ========================================
   CTA
   ======================================== */

.cta {
    text-align: center;
    background: linear-gradient(180deg, var(--color-bg) 0%, rgba(59, 130, 246, 0.05) 100%);
}

.cta h2 {
    font-size: clamp(1.6rem, 4vw, 2.2rem);
    font-weight: 800;
    margin-bottom: 12px;
}

.cta p {
    font-size: 1.05rem;
    color: var(--color-text-muted);
    margin-bottom: 32px;
}

/* ========================================
   Footer
   ======================================== */

.footer {
    padding: 60px 0 32px;
    border-top: 1px solid var(--color-border);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    gap: 48px;
    margin-bottom: 40px;
}

.footer-brand {
    max-width: 320px;
}

.footer-brand .logo {
    margin-bottom: 12px;
}

.footer-brand p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.6;
}

.footer-links {
    display: flex;
    gap: 64px;
}

.footer-col {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-col h4 {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 4px;
}

.footer-col a {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color var(--transition);
}

.footer-col a:hover {
    color: var(--color-text);
}

.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid var(--color-border);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.8rem;
    color: var(--color-text-dim);
}

.footer-bottom a {
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color var(--transition);
}

.footer-bottom a:hover {
    color: var(--color-text);
}

/* ========================================
   Responsive
   ======================================== */

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: rgba(10, 14, 26, 0.97);
        backdrop-filter: blur(20px);
        padding: 16px 24px;
        gap: 16px;
        border-bottom: 1px solid var(--color-border);
        z-index: 99;
    }

    .nav-links.nav-open {
        display: flex;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .mobile-menu-btn.is-active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .mobile-menu-btn.is-active span:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-btn.is-active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .hero {
        padding: 120px 0 20px;
    }

    .tools-grid {
        grid-template-columns: 1fr;
    }

    .principles-grid {
        grid-template-columns: 1fr;
    }

    .steps {
        grid-template-columns: 1fr;
    }

    .footer-content {
        flex-direction: column;
        gap: 32px;
    }

    .footer-links {
        gap: 48px;
    }

    section {
        padding: 60px 0;
    }
}

@media (max-width: 480px) {
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }
}

/* ========================================
   Animations
   ======================================== */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeInUp 0.6s ease forwards;
    opacity: 0;
}

.fade-in:nth-child(1) { animation-delay: 0s; }
.fade-in:nth-child(2) { animation-delay: 0.1s; }
.fade-in:nth-child(3) { animation-delay: 0.2s; }
.fade-in:nth-child(4) { animation-delay: 0.3s; }
.fade-in:nth-child(5) { animation-delay: 0.4s; }