@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
    --primary: #02569B;
    --primary-glow: rgba(2, 86, 155, 0.15);
    --secondary: #0175C2;
    --accent: #13B9FD;
    --bg: #ffffff;
    --surface: rgba(255, 255, 255, 0.7);
    --surface-bright: #ffffff;
    --text: #0f172a;
    --text-dim: #475569;
    --glass-border: rgba(2, 86, 155, 0.08);
    --transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Scroll Progress Bar */
#scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 4px;
    background: linear-gradient(to right, var(--primary), var(--accent));
    z-index: 2000;
    transition: width 0.1s ease;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(var(--glass-border) 1px, transparent 1px),
        linear-gradient(90deg, var(--glass-border) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: -2;
    opacity: 0.3;
}

/* Background Blobs */
.blob {
    position: fixed;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, var(--primary-glow) 0%, transparent 70%);
    filter: blur(100px);
    z-index: -1;
    opacity: 0.4;
    pointer-events: none;
    animation: blobMove 25s infinite alternate;
}

.blob-2 {
    background: radial-gradient(circle, rgba(19, 185, 253, 0.2) 0%, transparent 70%);
    width: 600px;
    height: 600px;
    right: -200px;
    top: 10%;
    animation-delay: -7s;
}

@keyframes blobMove {
    0% { transform: translate(-15%, -15%) rotate(0deg) scale(1); }
    50% { transform: translate(5%, 5%) rotate(90deg) scale(1.1); }
    100% { transform: translate(15%, 15%) rotate(180deg) scale(1); }
}

h1, h2, h3, h4 {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
}

/* Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.glass {
    background: var(--surface);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 28px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05), inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary) 20%, var(--secondary) 50%, var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-size: 200% auto;
    animation: shine 5s linear infinite;
}

@keyframes shine {
    to { background-position: 200% center; }
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 2rem 0;
    transition: var(--transition);
}

nav.scrolled {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    padding: 1rem 0;
    border-bottom: 1px solid var(--glass-border);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.03);
}

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

.logo {
    font-family: 'Outfit', sans-serif;
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -1px;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
}

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

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

.lang-switch {
    display: flex;
    padding: 4px;
    border-radius: 12px;
    gap: 4px;
    cursor: pointer;
}

.lang-switch span {
    padding: 6px 12px;
    border-radius: 8px;
    font-size: 0.8rem;
    font-weight: 700;
    transition: var(--transition);
    color: var(--text-dim);
}

.lang-switch span.active {
    background: var(--primary);
    color: white;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    padding: 1rem 2.2rem;
    border-radius: 16px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.1);
    cursor: pointer;
    box-shadow: 0 10px 30px -10px var(--primary-glow);
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 20px 40px -10px var(--primary-glow);
    filter: brightness(1.1);
}

/* Hero Section */
.hero {
    padding: 12rem 0 6rem;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -10%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--primary-glow) 0%, transparent 70%);
    z-index: -1;
    filter: blur(80px);
}

.hero-content {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: center;
}

.hero-text h1 {
    font-size: 5.5rem;
    line-height: 1;
    margin-bottom: 2rem;
    letter-spacing: -3px;
    font-weight: 800;
}

.hero-text p {
    font-size: 1.3rem;
    color: var(--text-dim);
    margin-bottom: 3.5rem;
    max-width: 600px;
}

.hero-image {
    position: relative;
}

.hero-image img {
    width: 100%;
    border-radius: 40px;
    box-shadow: 0 30px 60px -15px rgba(2, 86, 155, 0.2);
    animation: float 8s ease-in-out infinite;
    border: 1px solid var(--glass-border);
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

/* Features */
.features {
    padding: 8rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    padding: 3.5rem;
    position: relative;
    overflow: hidden;
}

.feature-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at top left, var(--primary-glow), transparent 70%);
    opacity: 0;
    transition: var(--transition);
}

.feature-card:hover::after {
    opacity: 0.3;
}

.feature-card:hover {
    transform: translateY(-12px) scale(1.02);
    border-color: var(--primary);
    background: var(--surface-bright);
}

.feature-icon {
    width: 64px;
    height: 64px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--primary);
    font-size: 1.5rem;
}

/* Solutions Section */
.solutions {
    padding: 8rem 0;
    background: radial-gradient(circle at center, rgba(99, 102, 241, 0.05) 0%, transparent 70%);
}

.solution-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
}

.tab-btn {
    background: var(--surface);
    border: 1px solid var(--glass-border);
    padding: 0.8rem 2rem;
    border-radius: 50px;
    color: var(--text-dim);
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
}

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

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

/* Footer */
footer {
    padding: 4rem 0;
    border-top: 1px solid var(--glass-border);
    text-align: center;
    color: var(--text-dim);
}

/* Animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 968px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-text h1 {
        font-size: 3rem;
    }
    
    .hero-text p {
        margin: 0 auto 2.5rem;
    }
    
    .nav-links {
        display: none;
    }
    
    .solution-content {
        grid-template-columns: 1fr;
    }
}