/* ========================================
   TUTUM - Corporate Website Styles
   ======================================== */

/* CSS Variables */
:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --secondary: #0f172a;
    --accent: #06b6d4;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    
    --gradient-primary: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
    --gradient-hero: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
    
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    
    --radius-sm: 0.25rem;
    --radius: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    
    --transition: all 0.3s ease;
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-800);
    background: var(--gray-50);
    -webkit-font-smoothing: antialiased;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Buttons */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--gradient-primary);
    color: white !important;
    font-weight: 600;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.95rem;
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.5);
    opacity: 0.95;
}

/* Header contact button */
.nav-links .btn-primary {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    color: white !important;
    font-weight: 600;
    padding: 0.6rem 1.25rem;
    box-shadow: 0 2px 10px rgba(37, 99, 235, 0.3);
}

.nav-links .btn-primary:hover {
    box-shadow: 0 4px 16px rgba(37, 99, 235, 0.5);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: transparent;
    color: var(--gray-700);
    font-weight: 500;
    border-radius: var(--radius);
    border: 2px solid var(--gray-300);
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.95rem;
}

.btn-secondary:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--gray-50);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.btn-block {
    width: 100%;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-200);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--gray-900);
}

.logo-icon {
    color: var(--primary);
    font-size: 1.75rem;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links a {
    color: var(--gray-600);
    font-weight: 500;
    font-size: 0.95rem;
}

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

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

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--gray-700);
}

/* Hero Section */
.hero {
    background: var(--gradient-hero);
    padding: 8rem 0 4rem;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-content {
    display: grid;
    grid-template-columns: 5fr 7fr;
    gap: 3rem;
    align-items: center;
}

.hero-text {
    color: white;
}

.badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(37, 99, 235, 0.2);
    border: 1px solid rgba(37, 99, 235, 0.3);
    border-radius: 100px;
    font-size: 0.85rem;
    color: var(--primary-light);
    margin-bottom: 1.5rem;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero h1 .highlight {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    font-size: 1.25rem;
    color: var(--gray-300);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.hero-stats {
    display: flex;
    gap: 2.5rem;
    margin-bottom: 2.5rem;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: white;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--gray-400);
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Secondary button on dark hero background */
.hero-actions .btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.5);
    color: white !important;
    font-weight: 600;
    backdrop-filter: blur(10px);
}

.hero-actions .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: white;
    color: white !important;
}

.hero-visual {
    display: flex;
    justify-content: center;
}

/* PDF Window & Slider */
.pdf-window {
    background: var(--gray-900);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    width: 100%;
    max-width: 1100px;
}

.pdf-header {
    padding: 1rem;
    background: var(--gray-800);
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.pdf-title {
    display: none;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.dot.red { background: #ef4444; }
.dot.yellow { background: #f59e0b; }
.dot.green { background: #10b981; }

.pdf-slider {
    position: relative;
    padding: 0.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    contain: paint layout;
    overflow: hidden;
    width: 100%;
    aspect-ratio: 16 / 9;
    min-height: 480px;
}

#pdf-canvas {
    max-width: 100%;
    height: auto;
    background: #fff;
}

.pdf-nav {
    position: absolute;
    bottom: 12px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    z-index: 10;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(6px);
    padding: 0.35rem 0.75rem;
    border-radius: 100px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

.pdf-slider:hover .pdf-nav,
.pdf-nav.visible {
    opacity: 1;
    pointer-events: auto;
}

.pdf-nav button {
    background: rgba(255,255,255,0.25);
    color: white;
    border: none;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: var(--transition);
}

.pdf-nav button:hover {
    background: var(--primary);
}

.pdf-nav span {
    font-size: 0.85rem;
    color: var(--gray-400);
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
}

.pdf-nav button:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* Section Styles */
section {
    padding: 5rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 3.5rem;
}

.section-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--primary);
    color: white;
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.75rem;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--gray-500);
    max-width: 600px;
    margin: 0 auto;
}

/* Services */
.services-main {
    background: white;
}

.services-grid {
    display: grid;
    gap: 1.5rem;
}

.services-grid.primary {
    grid-template-columns: repeat(3, 1fr);
}

.services-grid.secondary {
    grid-template-columns: repeat(3, 1fr);
}

.service-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: var(--transition);
    border: 1px solid var(--gray-200);
}

.service-card.primary {
    background: linear-gradient(135deg, white 0%, var(--gray-50) 100%);
    border: 2px solid var(--gray-200);
}

.service-card.primary:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.service-card.secondary {
    background: var(--gray-50);
}

.service-card.secondary:hover {
    background: white;
    box-shadow: var(--shadow-md);
}

.service-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.service-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.75rem;
}

.service-card p {
    color: var(--gray-600);
    margin-bottom: 1rem;
}

.service-features {
    list-style: none;
}

.service-features li {
    padding: 0.4rem 0;
    color: var(--gray-600);
    font-size: 0.9rem;
    position: relative;
    padding-left: 1.5rem;
}

.service-features li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--primary);
}

.services-additional {
    background: var(--gray-50);
}

/* Team Section */
.team {
    background: white;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.team-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
    border: 2px solid var(--gray-200);
    transition: var(--transition);
}

.team-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
}

.team-card.senior { border-top: 4px solid var(--primary); }
.team-card.middle { border-top: 4px solid var(--success); }
.team-card.junior { border-top: 4px solid var(--warning); }
.team-card.fullstack { border-top: 4px solid var(--accent); }
.team-card.devops { border-top: 4px solid #8b5cf6; }
.team-card.manager { border-top: 4px solid #ec4899; }

.team-avatar {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.team-role {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--gray-100);
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--gray-600);
    margin-bottom: 0.5rem;
}

.team-card h4 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.25rem;
}

.team-count {
    font-size: 0.9rem;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.team-desc {
    font-size: 0.9rem;
    color: var(--gray-500);
}

/* Tariffs */
.tariffs {
    background: var(--gray-50);
}

.tariffs-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.tariff-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 2rem;
    border: 2px solid var(--gray-200);
    transition: var(--transition);
    position: relative;
}

.tariff-card:hover {
    border-color: var(--gray-300);
    box-shadow: var(--shadow-md);
}

.tariff-card.popular {
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
}

.tariff-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: white;
    padding: 0.25rem 1rem;
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 600;
}

.tariff-header {
    text-align: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--gray-200);
}

.tariff-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
}

.tariff-period {
    color: var(--gray-500);
    font-size: 0.9rem;
    margin-top: 0.25rem;
}

.tariff-price {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-top: 0.75rem;
}

.tariff-card.popular .tariff-price {
    color: var(--primary);
}

.tariff-features {
    margin-bottom: 1.5rem;
}

.tariff-feature {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 0;
    font-size: 0.9rem;
    color: var(--gray-600);
}

.feature-icon {
    width: 20px;
    text-align: center;
}

.feature-icon.check { color: var(--success); }
.feature-icon.cross { color: var(--gray-400); }

.tariffs-note {
    text-align: center;
    margin-top: 2rem;
    padding: 1.5rem;
    background: white;
    border-radius: var(--radius);
    color: var(--gray-600);
}

/* Notification animation */
@keyframes slideDown {
    from { opacity: 0; transform: translateX(-50%) translateY(-20px); }
    to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* Infrastructure */
.infrastructure {
    background: white;
}

.infra-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.infra-item {
    text-align: center;
    padding: 2rem;
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.infra-item:hover {
    background: white;
    box-shadow: var(--shadow-md);
}

.infra-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.infra-item h4 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

.infra-item p {
    font-size: 0.9rem;
    color: var(--gray-500);
}

/* Contact */
.contact {
    background: var(--gradient-hero);
    color: white;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-info h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.contact-info > p {
    font-size: 1.1rem;
    color: var(--gray-300);
    margin-bottom: 2rem;
}

.contact-items {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

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

.contact-item h4 {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.contact-item p {
    color: var(--gray-300);
}

.contact-form {
    background: white;
    border-radius: var(--radius-lg);
    padding: 2rem;
}

.form-group {
    margin-bottom: 1rem;
    position: relative;
}

.form-group label {
    display: block;
    margin-bottom: 0.25rem;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--gray-700);
}

.honeypot {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
    opacity: 0;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    font-size: 1rem;
    transition: var(--transition);
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

/* Footer */
.footer {
    background: var(--gray-900);
    color: white;
    padding: 3rem 0 1.5rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-brand .logo {
    color: white;
    margin-bottom: 1rem;
}

.footer-brand p {
    color: var(--gray-400);
}

.footer-links h4 {
    font-weight: 600;
    margin-bottom: 1rem;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-links a {
    color: var(--gray-400);
    font-size: 0.95rem;
}

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

.footer-bottom {
    padding-top: 1.5rem;
    border-top: 1px solid var(--gray-800);
    text-align: center;
    color: var(--gray-500);
    font-size: 0.9rem;
}

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 9999;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1.25rem 1.5rem;
    transition: transform 0.4s ease, opacity 0.4s ease;
    transform: translateY(100%);
    opacity: 0;
    pointer-events: none;
}

.cookie-banner.visible {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
}

.cookie-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.cookie-text {
    flex: 1;
    color: var(--gray-300);
    font-size: 0.85rem;
    line-height: 1.5;
}

.cookie-text strong {
    color: white;
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.cookie-actions {
    display: flex;
    gap: 0.75rem;
    flex-shrink: 0;
}

.cookie-btn-accept {
    padding: 0.6rem 1.25rem;
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    .cookie-content {
        flex-direction: column;
        align-items: stretch;
    }
    .cookie-actions {
        justify-content: center;
    }
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .hero-visual {
        order: -1;
    }
    
    .services-grid.primary,
    .services-grid.secondary,
    .team-grid,
    .infra-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .tariffs-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .pdf-window {
        max-width: 100%;
    }

    .pdf-slider {
        min-height: 240px;
        aspect-ratio: 16 / 10;
    }

    .pdf-header {
        padding: 0.5rem;
    }

    .dot {
        width: 8px;
        height: 8px;
    }

    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .nav-links.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: white;
        padding: 1rem;
        border-bottom: 1px solid var(--gray-200);
        gap: 0;
    }
    
    .nav-links.active a {
        padding: 0.75rem;
        border-bottom: 1px solid var(--gray-100);
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero-stats {
        gap: 1.5rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .services-grid.primary,
    .services-grid.secondary,
    .team-grid,
    .tariffs-grid,
    .infra-grid {
        grid-template-columns: 1fr;
    }

    .tariff-card {
        padding: 1.5rem;
    }

    .tariff-price {
        font-size: 1.5rem;
    }

    .tariff-features {
        font-size: 0.85rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}