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

:root {
    --blue: #1D71B8;
    --blue-dark: #155a93;
    --blue-darker: #0e3f68;
    --blue-light: #e8f1fa;
    --navy: #2D2E83;
    --white: #ffffff;
    --gray-50: #f8f9fa;
    --gray-100: #f1f3f5;
    --gray-200: #e9ecef;
    --gray-600: #6c757d;
    --gray-800: #343a40;
    --gray-900: #212529;
    --shadow: 0 4px 24px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 40px rgba(0,0,0,0.12);
    --radius: 12px;
    --radius-sm: 8px;
    --transition: 0.3s ease;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--gray-900);
    background: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== NAVBAR ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 1px 8px rgba(0,0,0,0.06);
    transition: background var(--transition);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--gray-900);
}

.nav-logo img {
    height: 40px;
    width: 40px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-links a {
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--gray-800);
    transition: color var(--transition), background var(--transition);
}

.nav-links a:hover {
    color: var(--blue);
    background: var(--blue-light);
}

.nav-cta {
    background: var(--blue) !important;
    color: var(--white) !important;
    border-radius: 24px !important;
    padding: 10px 24px !important;
    font-weight: 600 !important;
}

.nav-cta:hover {
    background: var(--blue-dark) !important;
    color: var(--white) !important;
}

/* Language Switcher */
.lang-switcher {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-left: 8px;
    padding-left: 12px;
    border-left: 1px solid var(--gray-200);
}

.lang-btn {
    background: none;
    border: 2px solid transparent;
    border-radius: 4px;
    padding: 2px;
    cursor: pointer;
    opacity: 0.5;
    transition: opacity var(--transition), border-color var(--transition);
}

.lang-btn.active {
    opacity: 1;
    border-color: var(--blue);
}

.lang-btn:hover {
    opacity: 1;
}

.lang-btn img {
    width: 28px;
    height: 20px;
    display: block;
    border-radius: 2px;
}

/* Mobile toggle */
.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(--gray-800);
    border-radius: 2px;
    transition: transform var(--transition), opacity var(--transition);
}

/* ===== HERO ===== */
.hero {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: url('img/heroimage.jpg') center 30% / cover no-repeat;
    color: var(--white);
    padding: 120px 24px 0;
    min-height: 0;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(13,63,104,0.82) 0%, rgba(29,113,184,0.6) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    margin: 0 auto;
    padding-bottom: 48px;
    text-align: center;
}

.hero-content h1,
.hero-title {
    font-size: clamp(1.6rem, 3.8vw, 3rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
    text-shadow: 0 2px 12px rgba(0,0,0,0.3);
}

@media (max-width: 768px) {
    .hero-title {
        font-size: clamp(1.4rem, 5vw, 2rem);
    }
}

.hero-content p {
    font-size: clamp(1rem, 2vw, 1.2rem);
    margin-bottom: 32px;
    opacity: 0.92;
    max-width: 540px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

.btn-primary {
    display: inline-block;
    background: var(--blue);
    color: var(--white);
    padding: 14px 36px;
    border-radius: 32px;
    font-size: 1.05rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
    box-shadow: 0 4px 16px rgba(29,113,184,0.35);
}

.btn-primary:hover {
    background: var(--blue-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(29,113,184,0.45);
}

.btn-large {
    padding: 18px 48px;
    font-size: 1.15rem;
}

/* ===== HIGHLIGHT CARDS (inside hero) ===== */
.hero-cards {
    position: relative;
    z-index: 2;
    padding-bottom: 48px;
}

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

.card {
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(8px);
    border-radius: var(--radius);
    padding: 28px 24px;
    box-shadow: 0 4px 24px rgba(0,0,0,0.15);
    text-align: left;
    transition: transform var(--transition), box-shadow var(--transition);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 48px rgba(0,0,0,0.14);
}

.card-icon {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-bottom: 16px;
    color: var(--blue);
}

.card-icon svg {
    width: 36px;
    height: 36px;
}

.card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--gray-900);
}

.card p {
    font-size: 0.95rem;
    color: var(--gray-600);
    line-height: 1.6;
}

/* ===== SECTIONS GENERAL ===== */
.section {
    padding: 100px 0;
}

.section h2 {
    font-size: clamp(1.8rem, 3vw, 2.4rem);
    font-weight: 800;
    text-align: center;
    margin-bottom: 12px;
    color: var(--gray-900);
}

.section-subtitle {
    text-align: center;
    color: var(--gray-600);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto 48px;
}

/* ===== FEATURES GRID ===== */
.features-section {
    background: var(--gray-50);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
    margin-top: 48px;
}

.feature-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 32px;
    box-shadow: var(--shadow);
    transition: transform var(--transition);
}

.feature-card:hover {
    transform: translateY(-3px);
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: var(--blue-light);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    color: var(--blue);
}

.feature-icon svg {
    width: 24px;
    height: 24px;
}

.feature-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.feature-card ul {
    list-style: none;
    padding: 0;
}

.feature-card li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 8px;
    font-size: 0.95rem;
    color: var(--gray-600);
    line-height: 1.5;
}

.feature-card li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--blue);
}

/* ===== SPLIT CONTENT (Wallpaper / AI Agent) ===== */
.split-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.split-content.reverse {
    direction: rtl;
}

.split-content.reverse > * {
    direction: ltr;
}

.split-text h2 {
    text-align: left;
    margin-bottom: 16px;
}

.split-text > p {
    color: var(--gray-600);
    font-size: 1.05rem;
    margin-bottom: 24px;
    line-height: 1.7;
}

.check-list li {
    position: relative;
    padding-left: 28px;
    margin-bottom: 12px;
    font-size: 0.95rem;
    color: var(--gray-800);
}

.check-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--blue);
    font-weight: 700;
    font-size: 1rem;
}

/* Video placeholder */
.video-placeholder {
    background: linear-gradient(135deg, var(--blue-darker), var(--navy));
    border-radius: var(--radius);
    aspect-ratio: 16/9;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--white);
    gap: 12px;
}

.video-placeholder svg {
    width: 48px;
    height: 48px;
    opacity: 0.7;
}

.video-placeholder span {
    font-size: 0.95rem;
    opacity: 0.7;
}

/* Screenshot */
.screenshot-img {
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    width: 100%;
}

/* ===== AI SECTION ===== */
.ai-section {
    background: var(--gray-50);
}

/* ===== USE CASES ===== */
.usecases-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 48px;
}

.usecase-card {
    text-align: center;
    padding: 40px 20px;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: transform var(--transition);
}

.usecase-card:hover {
    transform: translateY(-3px);
}

.usecase-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 16px;
    background: var(--blue-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--blue);
}

.usecase-icon svg {
    width: 28px;
    height: 28px;
}

.usecase-card h3 {
    font-size: 1rem;
    font-weight: 600;
}

/* ===== BENEFITS ===== */
.benefits-section {
    background: var(--gray-50);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
    margin-top: 48px;
}

.benefit {
    text-align: center;
    padding: 32px 20px;
}

.benefit-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 16px;
    background: var(--blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
}

.benefit-icon svg {
    width: 28px;
    height: 28px;
}

.benefit h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.benefit p {
    font-size: 0.9rem;
    color: var(--gray-600);
    line-height: 1.6;
}

/* ===== CTA ===== */
.cta-section {
    background: linear-gradient(135deg, var(--blue) 0%, var(--navy) 100%);
    color: var(--white);
    text-align: center;
}

.cta-section h2 {
    color: var(--white);
    margin-bottom: 16px;
}

.cta-section p {
    font-size: 1.15rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto 36px;
}

.cta-section .btn-primary {
    background: var(--white);
    color: var(--blue);
}

.cta-section .btn-primary:hover {
    background: var(--gray-100);
    color: var(--blue-dark);
}

/* ===== FOOTER ===== */
.footer {
    background: var(--gray-900);
    color: var(--gray-200);
    padding: 48px 0 32px;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.1rem;
    font-weight: 600;
}

.footer-brand img {
    height: 32px;
    width: 32px;
}

.footer-ihm-logo {
    height: 48px !important;
    width: auto !important;
}

.footer-separator {
    opacity: 0.3;
    margin: 0 4px;
}

.footer-tagline {
    font-weight: 400;
    font-size: 0.9rem;
    opacity: 0.7;
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    color: var(--gray-200);
    font-size: 0.9rem;
    transition: color var(--transition);
}

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

.footer-copy {
    font-size: 0.85rem;
    opacity: 0.5;
}

/* ===== MODALS ===== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.modal-overlay.active {
    display: flex;
}

.modal {
    background: var(--white);
    border-radius: var(--radius);
    padding: 40px;
    max-width: 600px;
    width: 100%;
    position: relative;
    box-shadow: var(--shadow-lg);
    max-height: 80vh;
    overflow-y: auto;
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 20px;
    background: none;
    border: none;
    font-size: 1.8rem;
    cursor: pointer;
    color: var(--gray-600);
    transition: color var(--transition);
}

.modal-close:hover {
    color: var(--gray-900);
}

.modal h2 {
    margin-bottom: 16px;
    font-size: 1.5rem;
}

.modal p {
    margin-bottom: 12px;
    color: var(--gray-600);
    line-height: 1.7;
}

.modal-wide {
    max-width: 800px;
}

.modal h3 {
    font-size: 1.25rem;
    margin-top: 24px;
    margin-bottom: 12px;
    color: var(--gray-900);
}

.modal h4 {
    font-size: 1.05rem;
    font-weight: 600;
    margin-top: 20px;
    margin-bottom: 8px;
    color: var(--gray-900);
}

.modal a {
    color: var(--blue);
    text-decoration: underline;
}

.modal a:hover {
    color: var(--blue-dark);
}

/* ===== WALLPAPER VIDEO ===== */
.wallpaper-video {
    width: 100%;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    background: #000;
}

/* ===== FOOTER IHM LOGO ===== */
.footer-ihm-logo {
    height: 40px;
    width: auto;
    max-width: 180px;
    object-fit: contain;
    opacity: 0.85;
}

/* ===== COOKIE CONSENT BANNER ===== */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    z-index: 3000;
    background: var(--gray-900);
    color: var(--gray-200);
    box-shadow: 0 -4px 24px rgba(0,0,0,0.2);
    padding: 20px 24px;
    transform: translateY(0);
    transition: transform 0.4s ease;
}

.cookie-banner.hidden {
    transform: translateY(100%);
    pointer-events: none;
}

.cookie-banner-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
}

.cookie-banner-content p {
    flex: 1;
    min-width: 280px;
    font-size: 0.9rem;
    line-height: 1.5;
    margin: 0;
}

.cookie-banner-actions {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-shrink: 0;
}

.btn-cookie-accept {
    background: var(--blue);
    color: var(--white);
    border: none;
    padding: 10px 24px;
    border-radius: 24px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: background var(--transition);
}

.btn-cookie-accept:hover {
    background: var(--blue-dark);
}

.btn-cookie-decline {
    background: transparent;
    color: var(--gray-200);
    border: 1px solid var(--gray-600);
    padding: 10px 20px;
    border-radius: 24px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: border-color var(--transition), color var(--transition);
}

.btn-cookie-decline:hover {
    border-color: var(--white);
    color: var(--white);
}

.btn-cookie-info {
    color: var(--blue);
    font-size: 0.9rem;
    font-weight: 500;
    padding: 10px 8px;
    transition: color var(--transition);
}

.btn-cookie-info:hover {
    color: var(--white);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .card-row {
        grid-template-columns: repeat(3, 1fr);
        gap: 16px;
    }
    .benefits-grid,
    .usecases-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 72px;
        left: 0;
        width: 100%;
        background: var(--white);
        flex-direction: column;
        padding: 24px;
        gap: 4px;
        box-shadow: var(--shadow);
        transform: translateY(-120%);
        transition: transform var(--transition);
    }

    .nav-links.open {
        transform: translateY(0);
    }

    .nav-links a {
        width: 100%;
        padding: 12px 16px;
    }

    .lang-switcher {
        border-left: none;
        border-top: 1px solid var(--gray-200);
        padding-left: 0;
        padding-top: 12px;
        margin-left: 0;
        margin-top: 8px;
        justify-content: center;
    }

    .hero {
        padding: 100px 24px 0;
    }

    .hero-content {
        margin-left: 0;
        padding-bottom: 32px;
    }

    .card-row {
        grid-template-columns: 1fr;
    }

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

    .split-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .split-content.reverse {
        direction: ltr;
    }

    .usecases-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .section {
        padding: 64px 0;
    }

    .cookie-banner-content {
        flex-direction: column;
        text-align: center;
    }

    .cookie-banner-actions {
        justify-content: center;
        flex-wrap: wrap;
    }
}

@media (max-width: 480px) {
    .usecases-grid,
    .benefits-grid {
        grid-template-columns: 1fr;
    }
}