/* ========== DESIGN TOKENS ========== */
:root {
    --bg-primary: #FFFFFF;
    --bg-secondary: #F5F6F8;
    --bg-card: #FFFFFF;
    --bg-card-hover: #F0F2F5;
    --border: rgba(0, 0, 0, 0.08);
    --border-hover: rgba(0, 0, 0, 0.15);
    --text-primary: #1A2332;
    --text-secondary: #555F6D;
    --text-muted: #8993A0;
    --accent-navy: #1A3A5C;
    --accent-steel: #2E6B9E;
    --accent-blue: #2563EB;
    --gradient-hero: linear-gradient(135deg, #F8F9FB 0%, #EEF1F5 50%, #F8F9FB 100%);
    --gradient-card: linear-gradient(145deg, #FFFFFF, #FAFBFC);
    --gradient-accent: linear-gradient(135deg, #1A3A5C, #2E6B9E);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.1);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========== RESET & BASE ========== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* ========== ANIMATIONS ========== */
.fade-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ========== NAVIGATION ========== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 20px 0;
    transition: var(--transition);
}

.nav-scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 3px;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
}

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

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

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

.nav-cta {
    background: var(--gradient-accent);
    color: #FFFFFF !important;
    padding: 10px 24px;
    border-radius: 50px;
    font-weight: 600 !important;
}

.nav-cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(26, 58, 92, 0.25);
}

/* ========== HERO ========== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: var(--gradient-hero);
    padding: 120px 24px 80px;
    overflow: hidden;
}

.hero-bg-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(26, 58, 92, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(26, 58, 92, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

.hero-content {
    max-width: 800px;
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-block;
    padding: 8px 20px;
    border-radius: 50px;
    border: 1px solid var(--border-hover);
    background: rgba(26, 58, 92, 0.05);
    color: var(--accent-navy);
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 1px;
    margin-bottom: 32px;
    text-transform: uppercase;
}

.hero h1 {
    font-family: 'Source Serif 4', Georgia, serif;
    font-size: clamp(2rem, 4.5vw, 3.2rem);
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 24px;
    letter-spacing: -1px;
}

.hero-highlight {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 640px;
    margin: 0 auto 40px;
    line-height: 1.7;
}

.hero-cta-group {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 64px;
}

/* ========== BUTTONS ========== */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 50px;
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
}

.btn-primary {
    background: var(--gradient-accent);
    color: #FFFFFF;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(26, 58, 92, 0.2);
}

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

.btn-secondary:hover {
    background: rgba(26, 58, 92, 0.04);
    border-color: var(--accent-navy);
}

.btn-large {
    padding: 18px 40px;
    font-size: 1.05rem;
}

/* ========== HERO STATS ========== */
.hero-stats {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.4rem;
    font-weight: 800;
    color: var(--accent-navy);
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border);
}

/* ========== EU BANNER ========== */
.hero-eu-banner {
    margin-top: 48px;
}

.hero-eu-banner span {
    color: var(--accent-navy);
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: 1px;
}

/* ========== HERO DIAGRAM ========== */
.hero-diagram {
    margin-top: 64px;
    display: flex;
    justify-content: center;
}

.loop-container {
    position: relative;
    width: 600px;
    height: 600px;
}

.loop-arrows {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.arrow-path {
    stroke-dasharray: 500;
    stroke-dashoffset: 500;
    animation: drawArrow 1.5s ease forwards;
}

.arrow-path:nth-child(2) { animation-delay: 0.2s; }
.arrow-path:nth-child(3) { animation-delay: 0.4s; }
.arrow-path:nth-child(4) { animation-delay: 0.6s; }
.arrow-path:nth-child(5) { animation-delay: 0.8s; }
.arrow-path:nth-child(6) { animation-delay: 1.0s; }

@keyframes drawArrow {
    to { stroke-dashoffset: 0; }
}

/* Phase boxes */
.loop-phase {
    position: absolute;
    width: 150px;
    text-align: center;
    cursor: default;
    transition: var(--transition);
}

.loop-phase:hover {
    transform: scale(1.08);
}

.loop-phase:hover .phase-title {
    background: var(--accent-navy);
}

.phase-title {
    background: var(--accent-steel);
    color: #FFFFFF;
    font-family: 'DM Sans', sans-serif;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    padding: 12px 8px;
    border-radius: 10px 10px 0 0;
    transition: var(--transition);
}

.phase-desc {
    background: #FFFFFF;
    border: 1px solid var(--border);
    border-top: none;
    padding: 10px 10px;
    border-radius: 0 0 10px 10px;
    font-size: 0.78rem;
    color: var(--text-secondary);
    line-height: 1.4;
    box-shadow: var(--shadow-sm);
}

/* Positions: circular layout */
.phase-detect    { top: 30px;  left: 50%;  transform: translateX(-50%); }
.phase-diagnose  { top: 175px; right: 10px; }
.phase-remediate { bottom: 60px; right: 55px; }
.phase-verify    { bottom: 77px; left: 55px; }
.phase-certify   { top: 175px; left: 10px; }

.phase-detect:hover    { transform: translateX(-50%) scale(1.08); }

/* Center text */
.loop-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-family: 'Source Serif 4', Georgia, serif;
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--accent-navy);
    letter-spacing: 3px;
}

@media (max-width: 768px) {
    .loop-container {
        width: 340px;
        height: 340px;
    }
    .loop-phase { width: 90px; }
    .phase-title { font-size: 0.65rem; padding: 8px 4px; }
    .phase-desc { font-size: 0.6rem; padding: 6px; }
    .loop-center { font-size: 1rem; }
    .phase-detect    { top: 10px; }
    .phase-diagnose  { top: 95px; right: 0; }
    .phase-remediate { bottom: 25px; right: 20px; }
    .phase-verify    { bottom: 35px; left: 20px; }
    .phase-certify   { top: 95px; left: 0; }
}

/* ========== HERO PROBLEM CARDS ========== */
.hero-problems {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 64px;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.problem-card {
    padding: 28px;
    background: rgba(18, 29, 51, 0.6);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition: var(--transition);
    text-align: left;
}

.problem-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
}

.problem-icon {
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.problem-card h3 {
    font-size: 1rem;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.problem-card p {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* ========== SECTION HEADERS ========== */
.section-header {
    text-align: center;
    margin-bottom: 64px;
}


.section-tag {
    display: inline-block;
    padding: 6px 16px;
    border-radius: 50px;
    background: rgba(26, 58, 92, 0.06);
    color: var(--accent-steel);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin-bottom: 20px;
}

.section-header h2 {
    font-family: 'Source Serif 4', Georgia, serif;
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.5px;
}

/* ========== ORIGIN STORY ========== */
.origin {
    padding: 120px 0;
    background: var(--bg-secondary);
}

.origin-content {
}

.origin-content p {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.origin-content p:last-child {
    margin-bottom: 0;
}

.origin-content strong {
    color: var(--text-primary);
}

.origin-quote {
    margin: 48px 0 0;
    padding: 32px 40px;
    border-left: 3px solid var(--accent-steel);
    background: rgba(26, 58, 92, 0.03);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    font-family: 'Source Serif 4', Georgia, serif;
    font-size: 1.15rem;
    font-style: italic;
    color: var(--accent-navy);
    line-height: 1.6;
}

/* ========== FEATURES ========== */
.features {
    padding: 120px 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    padding: 36px;
    background: var(--gradient-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.feature-card:hover {
    border-color: var(--accent-steel);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.feature-icon-wrap {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-sm);
    background: rgba(26, 58, 92, 0.06);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

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

.feature-card h3 {
    font-family: 'Source Serif 4', Georgia, serif;
    font-size: 1.1rem;
    margin-bottom: 10px;
    font-weight: 600;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* ========== FRAMEWORKS ========== */
.frameworks {
    padding: 120px 0;
    background: var(--bg-secondary);
}

.frameworks-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.framework-card {
    padding: 32px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    text-align: center;
    transition: var(--transition);
}

.framework-card:hover {
    border-color: var(--accent-steel);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.framework-name {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--accent-navy);
    margin-bottom: 8px;
    letter-spacing: 1px;
}

.framework-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ========== HOW IT WORKS ========== */
.how-it-works {
    padding: 120px 0;
}

.steps {
    max-width: 700px;
    margin: 0 auto;
}

.step {
    display: flex;
    gap: 32px;
    padding: 32px 0;
    border-bottom: 1px solid var(--border);
}

.step:last-child {
    border-bottom: none;
}

.step-number {
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    min-width: 80px;
}

.step-content h3 {
    font-family: 'Source Serif 4', Georgia, serif;
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.step-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ========== CTA SECTION ========== */
.cta-section {
    padding: 120px 0;
    background: var(--bg-secondary);
}

.cta-card {
    text-align: center;
    padding: 80px 40px;
    border-radius: var(--radius-lg);
    background: linear-gradient(145deg, rgba(26, 58, 92, 0.03), rgba(46, 107, 158, 0.03));
    border: 1px solid var(--border-hover);
}

.cta-card h2 {
    font-family: 'Source Serif 4', Georgia, serif;
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    margin-bottom: 16px;
    font-weight: 700;
}

.cta-card p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 40px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
}

/* ========== LINKEDIN SECTION ========== */
.linkedin-section {
    padding: 40px 0;
    text-align: center;
}

.linkedin-text {
    font-size: 1.05rem;
    color: var(--text-secondary);
}

.linkedin-text a {
    color: var(--accent-navy);
    font-weight: 600;
    text-decoration: none;
    border-bottom: 1px solid var(--accent-navy);
    transition: var(--transition);
}

.linkedin-text a:hover {
    color: var(--accent-steel);
    border-color: var(--accent-steel);
}

/* ========== FOOTER ========== */
.footer {
    padding: 64px 0 32px;
    border-top: 1px solid var(--border);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand p {
    color: var(--text-muted);
    margin-top: 12px;
    font-size: 0.9rem;
    max-width: 300px;
}

.footer-links h4 {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.footer-links a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    padding: 4px 0;
    transition: var(--transition);
}

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

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

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

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .hero {
        padding: 100px 20px 60px;
    }

    .hero-cta-group {
        flex-direction: column;
        align-items: center;
    }

    .hero-stats {
        flex-direction: column;
        gap: 24px;
    }

    .stat-divider {
        width: 60px;
        height: 1px;
    }

    .problem-grid,
    .features-grid,
    .frameworks-grid {
        grid-template-columns: 1fr;
    }

    .step {
        flex-direction: column;
        gap: 12px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
}

/* Contact Modal */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(4px);
    z-index: 10000;
    justify-content: center;
    align-items: center;
    padding: 24px;
}
.modal-overlay.active {
    display: flex;
}
.modal-card {
    background: #fff;
    border-radius: 16px;
    padding: 40px;
    max-width: 560px;
    width: 100%;
    position: relative;
    box-shadow: 0 24px 48px rgba(0,0,0,0.15);
    animation: modalIn 0.25s ease-out;
}
@keyframes modalIn {
    from { opacity: 0; transform: translateY(20px) scale(0.97); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}
.modal-close {
    position: absolute;
    top: 16px; right: 20px;
    background: none;
    border: none;
    font-size: 28px;
    color: #64748b;
    cursor: pointer;
    line-height: 1;
}
.modal-close:hover { color: #1e293b; }
.modal-card h2 {
    font-size: 1.5rem;
    color: var(--text-dark);
    margin-bottom: 4px;
}
.modal-subtitle {
    color: #64748b;
    font-size: 0.9rem;
    margin-bottom: 24px;
}
.form-row {
    display: flex;
    gap: 16px;
}
.form-group {
    flex: 1;
    margin-bottom: 16px;
}
.form-group label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: #475569;
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 14px;
    border: 1.5px solid #e2e8f0;
    border-radius: 8px;
    font-size: 0.95rem;
    font-family: inherit;
    color: #1e293b;
    background: #f8fafc;
    transition: border-color 0.2s;
    box-sizing: border-box;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: #fff;
}
.form-group textarea { resize: vertical; }

@media (max-width: 600px) {
    .form-row { flex-direction: column; gap: 0; }
    .modal-card { padding: 24px; }
}