/* ========================================
   Agility Paths - Main Stylesheet
   ======================================== */

/* --- CSS Custom Properties --- */
:root {
    --color-primary: #1a365d;
    --color-primary-light: #2d4a7a;
    --color-accent: #0891b2;
    --color-accent-light: #22d3ee;
    --color-dark: #0f172a;
    --color-dark-lighter: #1e293b;
    --color-text: #334155;
    --color-text-light: #94a3b8;
    --color-white: #ffffff;
    --color-gray-50: #f8fafc;
    --color-gray-100: #f1f5f9;
    --color-gray-200: #e2e8f0;
    --color-gray-300: #cbd5e1;
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07), 0 2px 4px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1), 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1), 0 10px 10px rgba(0, 0, 0, 0.04);
    --radius: 8px;
    --radius-lg: 12px;
    --transition: 0.3s ease;
    --max-width: 1200px;
}

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

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

body {
    font-family: var(--font-sans);
    color: var(--color-text);
    line-height: 1.6;
    background: var(--color-white);
    -webkit-font-smoothing: antialiased;
}

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

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

a:hover {
    color: var(--color-accent-light);
}

ul {
    list-style: none;
}

/* --- Utility --- */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 80px 0;
}

.section-dark {
    background: var(--color-dark);
    color: var(--color-white);
}

.section-gray {
    background: var(--color-gray-50);
}

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

.section-header h2 {
    font-size: 2rem;
    color: var(--color-primary);
    margin-bottom: 16px;
}

.section-dark .section-header h2 {
    color: var(--color-white);
}

.section-header p {
    font-size: 1.125rem;
    color: var(--color-text-light);
    max-width: 600px;
    margin: 0 auto;
}

.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: var(--radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    border: 2px solid transparent;
    text-align: center;
}

.btn-primary {
    background: var(--color-accent);
    color: var(--color-white);
    border-color: var(--color-accent);
}

.btn-primary:hover {
    background: #0e7490;
    border-color: #0e7490;
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    background: transparent;
    color: var(--color-white);
    border-color: var(--color-white);
}

.btn-outline:hover {
    background: var(--color-white);
    color: var(--color-primary);
    transform: translateY(-2px);
}

.btn-outline-dark {
    background: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-outline-dark:hover {
    background: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-2px);
}

/* --- Header / Navigation --- */
.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(--color-gray-200);
    transition: box-shadow var(--transition);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo span {
    color: var(--color-accent);
}

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

.nav-links a {
    color: var(--color-text);
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    padding: 4px 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: width var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--color-accent);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

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

.nav-cta::after {
    display: none !important;
}

.nav-cta:hover {
    background: #0e7490;
    color: var(--color-white) !important;
}

/* Language Switcher */
.lang-switcher {
    display: flex;
    gap: 6px;
    margin-left: 20px;
    padding-left: 20px;
    border-left: 1px solid var(--color-gray-300);
}

.lang-link {
    padding: 5px 10px;
    border-radius: var(--radius);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text);
    transition: all var(--transition);
}

.lang-link:hover {
    background: var(--color-gray-100);
    color: var(--color-accent);
}

.lang-link.active {
    background: var(--color-accent);
    color: var(--color-white);
}

.lang-link.active:hover {
    background: var(--color-accent);
    color: var(--color-white);
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
    padding: 4px;
}

.hamburger span {
    width: 24px;
    height: 2px;
    background: var(--color-primary);
    transition: all var(--transition);
    border-radius: 2px;
}

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

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

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

/* --- Hero Sections --- */
.hero {
    padding: 160px 0 100px;
    background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-primary) 100%);
    color: var(--color-white);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at 70% 20%, rgba(8, 145, 178, 0.15) 0%, transparent 60%);
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 3.25rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 24px;
    max-width: 700px;
}

.hero p {
    font-size: 1.25rem;
    color: var(--color-gray-300);
    max-width: 560px;
    margin-bottom: 40px;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* Page heroes (smaller) */
.hero-page {
    padding: 140px 0 60px;
}

.hero-page h1 {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.hero-page p {
    margin-bottom: 0;
}

/* --- Cards --- */
.card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    box-shadow: var(--shadow-md);
    transition: all var(--transition);
    border: 1px solid var(--color-gray-200);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.section-dark .card {
    background: var(--color-dark-lighter);
    border-color: rgba(255, 255, 255, 0.1);
}

.card-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--color-accent), #06b6d4);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    font-size: 1.5rem;
}

.card h3 {
    font-size: 1.25rem;
    color: var(--color-primary);
    margin-bottom: 12px;
}

.section-dark .card h3 {
    color: var(--color-white);
}

.card p {
    color: var(--color-text-light);
    line-height: 1.7;
}

.card ul {
    margin-top: 16px;
}

.card ul li {
    padding: 6px 0;
    color: var(--color-text-light);
    position: relative;
    padding-left: 20px;
}

.card ul li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: 600;
}

/* --- Stats / Indicators --- */
.stats-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    text-align: center;
}

.stat-item h3 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-accent);
    margin-bottom: 8px;
}

.stat-item p {
    font-size: 0.95rem;
    color: var(--color-text-light);
}

/* --- CTA Banner --- */
.cta-banner {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-dark) 100%);
    color: var(--color-white);
    text-align: center;
    padding: 80px 0;
}

.cta-banner h2 {
    font-size: 2rem;
    margin-bottom: 16px;
}

.cta-banner p {
    font-size: 1.125rem;
    color: var(--color-gray-300);
    margin-bottom: 32px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

/* --- Two-Column Layout --- */
.two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.two-col h2 {
    font-size: 2rem;
    color: var(--color-primary);
    margin-bottom: 20px;
}

.two-col p {
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: 16px;
}

.two-col ul li {
    padding: 8px 0;
    padding-left: 28px;
    position: relative;
    color: var(--color-text);
}

.two-col ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: 700;
}

/* Feature box (used in two-col layouts) */
.feature-box {
    background: var(--color-gray-50);
    border-radius: var(--radius-lg);
    padding: 48px;
    border: 1px solid var(--color-gray-200);
}

.feature-box h3 {
    font-size: 1.125rem;
    color: var(--color-primary);
    margin-bottom: 8px;
    margin-top: 24px;
}

.feature-box h3:first-child {
    margin-top: 0;
}

.feature-box p {
    font-size: 0.95rem;
}

/* --- Training Tracks --- */
.track-section {
    margin-bottom: 60px;
}

.track-section:last-child {
    margin-bottom: 0;
}

.track-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 32px;
}

.track-badge {
    background: var(--color-accent);
    color: var(--color-white);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    white-space: nowrap;
}

.track-header h3 {
    font-size: 1.5rem;
    color: var(--color-primary);
}

/* --- Process Steps --- */
.process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    counter-reset: step;
}

.process-step {
    text-align: center;
    position: relative;
}

.process-step::before {
    counter-increment: step;
    content: counter(step);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--color-accent);
    color: var(--color-white);
    border-radius: 50%;
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0 auto 20px;
}

.process-step h4 {
    font-size: 1.1rem;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.process-step p {
    font-size: 0.95rem;
    color: var(--color-text-light);
}

/* --- Contact Form --- */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 8px;
    font-size: 0.95rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius);
    font-family: var(--font-sans);
    font-size: 1rem;
    color: var(--color-text);
    transition: border-color var(--transition);
    background: var(--color-white);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(8, 145, 178, 0.1);
}

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

.contact-info-item {
    display: flex;
    gap: 16px;
    margin-bottom: 32px;
}

.contact-info-icon {
    width: 48px;
    height: 48px;
    background: var(--color-gray-100);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.contact-info-item h4 {
    font-size: 1rem;
    color: var(--color-primary);
    margin-bottom: 4px;
}

.contact-info-item p {
    color: var(--color-text-light);
    font-size: 0.95rem;
}

/* --- Values Grid --- */
.values-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.value-item {
    display: flex;
    gap: 20px;
}

.value-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--color-accent), #06b6d4);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.value-item h4 {
    font-size: 1.1rem;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.value-item p {
    color: var(--color-text-light);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* --- Tech Stack Tags --- */
.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 16px;
}

.tech-tag {
    background: var(--color-gray-100);
    color: var(--color-text);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

/* --- Footer --- */
.footer {
    background: var(--color-dark);
    color: var(--color-gray-300);
    padding: 64px 0 32px;
}

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

.footer-brand p {
    margin-top: 16px;
    font-size: 0.95rem;
    line-height: 1.7;
    max-width: 300px;
}

.footer h4 {
    color: var(--color-white);
    font-size: 1rem;
    margin-bottom: 20px;
}

.footer ul li {
    margin-bottom: 12px;
}

.footer ul li a {
    color: var(--color-gray-300);
    font-size: 0.95rem;
    transition: color var(--transition);
}

.footer ul li a:hover {
    color: var(--color-accent-light);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 32px;
    text-align: center;
    font-size: 0.9rem;
    color: var(--color-text-light);
}

/* --- 404 Error Page --- */
.error-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-primary) 100%);
    color: var(--color-white);
}

.error-page h1 {
    font-size: 8rem;
    font-weight: 800;
    color: var(--color-accent);
    line-height: 1;
    margin-bottom: 16px;
}

.error-page h2 {
    font-size: 2rem;
    margin-bottom: 16px;
}

.error-page p {
    color: var(--color-gray-300);
    margin-bottom: 32px;
    font-size: 1.125rem;
}

/* --- Cookie Consent Banner --- */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--color-dark);
    color: var(--color-gray-300);
    padding: 20px 24px;
    z-index: 10000;
    box-shadow: 0 -2px 16px rgba(0, 0, 0, 0.2);
    display: none;
}

.cookie-banner.visible {
    display: block;
}

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

.cookie-banner p {
    font-size: 0.9rem;
    line-height: 1.6;
    margin: 0;
}

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

.cookie-banner-buttons {
    display: flex;
    gap: 12px;
    flex-shrink: 0;
}

.cookie-btn {
    padding: 10px 24px;
    border-radius: var(--radius);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    font-family: var(--font-sans);
}

.cookie-btn-accept {
    background: var(--color-accent);
    color: var(--color-white);
}

.cookie-btn-decline {
    background: transparent;
    color: var(--color-gray-300);
    border: 1px solid var(--color-gray-300);
}

@media (max-width: 768px) {
    .cookie-banner-inner {
        flex-direction: column;
        text-align: center;
    }
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    .card-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .stats-row {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }

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

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

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

    .lang-switcher {
        display: none;
        border-left: none;
        border-top: 1px solid var(--color-gray-200);
        padding: 12px 0 0;
        margin: 8px 0 0;
        width: 100%;
        justify-content: center;
    }

    .nav-links.open + .lang-switcher {
        display: flex;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: var(--color-white);
        flex-direction: column;
        padding: 24px;
        gap: 0;
        border-bottom: 1px solid var(--color-gray-200);
        box-shadow: var(--shadow-lg);
    }

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

    .nav-links a {
        padding: 12px 0;
        width: 100%;
    }

    .hero {
        padding: 120px 0 60px;
    }

    .hero h1 {
        font-size: 2.25rem;
    }

    .hero p {
        font-size: 1.1rem;
    }

    .hero-page {
        padding: 110px 0 40px;
    }

    .hero-page h1 {
        font-size: 2rem;
    }

    .section {
        padding: 60px 0;
    }

    .section-header {
        margin-bottom: 40px;
    }

    .section-header h2 {
        font-size: 1.75rem;
    }

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

    .two-col {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

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

    .process-grid {
        grid-template-columns: 1fr;
        max-width: 320px;
        margin: 0 auto;
    }

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

    .hero-buttons {
        flex-direction: column;
        align-items: flex-start;
    }

    .cta-banner h2 {
        font-size: 1.5rem;
    }
}