/* ========================================
   MAXSWALL GROUP - Global Styles
   Brand Color: #0288D1 (Sky Blue)
   ======================================== */

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

:root {
    --primary: #0288D1;
    --primary-light: #5EB7F6;
    --primary-dark: #01579B;
    --text-dark: #333333;
    --text-medium: #666666;
    --text-light: #999999;
    --bg-white: #FFFFFF;
    --bg-light: #F8FAFB;
    --bg-gray: #F0F2F5;
    --border: #E0E0E0;
    --shadow: rgba(0, 0, 0, 0.1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto, Oxygen, Ubuntu, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-dark);
    background: var(--bg-white);
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}

ul {
    list-style: none;
}

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

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    color: var(--text-dark);
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--primary);
    margin: 16px auto 0;
    border-radius: 2px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 32px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(2, 136, 209, 0.3);
}

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

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

/* ========================================
   Navigation
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: 0 2px 20px var(--shadow);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 2px;
}

.nav-links {
    display: flex;
    gap: 40px;
}

.nav-links a {
    font-weight: 500;
    color: var(--text-medium);
    position: relative;
    padding: 8px 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.3s ease;
}

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

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

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-dark);
    transition: all 0.3s ease;
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--bg-light) 0%, var(--bg-white) 100%);
    padding-top: 72px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 60%;
    height: 100%;
    background: linear-gradient(135deg, rgba(2, 136, 209, 0.08) 0%, rgba(94, 183, 246, 0.05) 100%);
    border-radius: 50%;
    transform: rotate(-15deg);
}

.hero-content {
    text-align: center;
    max-width: 800px;
    padding: 0 24px;
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 24px;
    color: var(--text-dark);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-medium);
    margin-bottom: 48px;
    letter-spacing: 4px;
}

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

/* ========================================
   Snapshot Section
   ======================================== */
.snapshot {
    background: var(--primary);
    padding: 80px 0;
}

.snapshot-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    text-align: center;
}

.snapshot-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.snapshot-number {
    font-size: 4rem;
    font-weight: 700;
    color: white;
    line-height: 1;
    margin-bottom: 8px;
}

.snapshot-label {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.85);
    font-weight: 500;
}

/* ========================================
   Core Section
   ======================================== */
.core-section {
    padding: 120px 0;
    background: var(--bg-white);
}

.core-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.core-card {
    background: var(--bg-light);
    padding: 48px 32px;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid var(--border);
}

.core-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px var(--shadow);
    border-color: var(--primary-light);
}

.core-card h3 {
    font-size: 1.5rem;
    margin-bottom: 16px;
    color: var(--primary);
}

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

/* ========================================
   Platforms Preview
   ======================================== */
.platforms-preview {
    padding: 120px 0;
    background: var(--bg-gray);
}

.pillars-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.pillar-card {
    background: var(--bg-white);
    padding: 48px 32px;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px var(--shadow);
}

.pillar-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(2, 136, 209, 0.15);
}

.pillar-icon {
    font-size: 3rem;
    margin-bottom: 24px;
}

.pillar-card h3 {
    font-size: 1.5rem;
    margin-bottom: 16px;
    color: var(--text-dark);
}

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

/* ========================================
   Network Preview
   ======================================== */
.network-preview {
    padding: 120px 0;
    background: var(--bg-white);
}

.locations-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 24px;
}

.location-item {
    background: var(--primary);
    color: white;
    padding: 20px 40px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

.location-item:hover {
    background: var(--primary-dark);
    transform: scale(1.05);
    box-shadow: 0 8px 24px rgba(2, 136, 209, 0.3);
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--text-dark);
    color: white;
    padding: 80px 0 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand h3 {
    font-size: 1.8rem;
    color: var(--primary-light);
    margin-bottom: 16px;
    letter-spacing: 2px;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    max-width: 300px;
}

.footer-links {
    display: flex;
    gap: 80px;
}

.footer-col h4 {
    color: white;
    font-size: 1.1rem;
    margin-bottom: 20px;
}

.footer-col a {
    display: block;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 12px;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 24px 0;
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1024px) {
    .hero h1 {
        font-size: 2.8rem;
    }
    
    .snapshot-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .core-grid,
    .pillars-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: var(--bg-white);
        flex-direction: column;
        padding: 24px;
        gap: 16px;
        box-shadow: 0 10px 30px var(--shadow);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero {
        min-height: auto;
        padding: 120px 0 80px;
    }
    
    .hero h1 {
        font-size: 2.2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
        letter-spacing: 2px;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .snapshot-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
    
    .snapshot-number {
        font-size: 2.5rem;
    }
    
    .core-grid,
    .pillars-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 40px;
    }
    
    .footer-links {
        gap: 40px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.8rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        text-align: center;
    }
    
    .locations-grid {
        gap: 12px;
    }
    
    .location-item {
        padding: 14px 24px;
        font-size: 0.95rem;
    }
}