/* ==========================================
   GLOBAL STYLES - Modern Ocean Theme
   ========================================== */

:root {
    /* Ocean Color Palette */
    --primary-color: #0ea5e9;
    --primary-dark: #0284c7;
    --primary-light: #38bdf8;
    --secondary-color: #06b6d4;
    --accent-color: #14b8a6;
    --dark-color: #0f172a;
    --darker-color: #020617;
    --light-color: #f0f9ff;
    --text-color: #1e293b;
    --text-light: #64748b;
    --border-radius: 16px;
    --border-radius-sm: 8px;
    --border-radius-lg: 24px;
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.2s ease;
    --shadow-sm: 0 2px 8px rgba(14, 165, 233, 0.1);
    --shadow-md: 0 4px 16px rgba(14, 165, 233, 0.15);
    --shadow-lg: 0 8px 32px rgba(14, 165, 233, 0.2);
    --shadow-xl: 0 20px 60px rgba(14, 165, 233, 0.3);
    --gradient-ocean: linear-gradient(135deg, #0ea5e9 0%, #06b6d4 50%, #14b8a6 100%);
    --gradient-dark: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', 'Roboto', sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
    background: var(--light-color);
    position: relative;
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Animated Background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(14, 165, 233, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(6, 182, 212, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(20, 184, 166, 0.05) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
    animation: backgroundFloat 20s ease-in-out infinite;
}

@keyframes backgroundFloat {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.6; }
}

/* ==========================================
   HERO SECTION - Modern Landing
   ========================================== */

.hero-section {
    background: var(--gradient-ocean);
    color: white;
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.3;
    animation: patternMove 60s linear infinite;
}

@keyframes patternMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(60px, 60px); }
}

.hero-section h1 {
    animation: fadeInDown 1s ease;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.hero-section p {
    animation: fadeInUp 1s ease 0.2s both;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.hero-section .btn {
    animation: fadeInUp 1s ease 0.4s both;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.hero-section .btn:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

.hero-section .btn-primary {
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: white;
}

.hero-section .btn-primary:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
}

.hero-section .btn-outline-light {
    background: transparent;
    border: 2px solid rgba(255, 255, 255, 0.5);
}

.hero-section .btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: white;
}

/* ==========================================
   ANIMATIONS - Modern Smooth Effects
   ========================================== */

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes shimmer {
    0% { background-position: -1000px 0; }
    100% { background-position: 1000px 0; }
}

/* ==========================================
   RESPONSIVE UTILITIES
   ========================================== */

@media (max-width: 768px) {
    .hero-section h1 {
        font-size: 2.5rem;
    }
    
    .hero-section .btn-lg {
        padding: 0.75rem 1.5rem;
        font-size: 1rem;
    }
}

/* ==========================================
   CUSTOM SCROLLBAR - Modern Design
   ========================================== */

::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    background: var(--light-color);
}

::-webkit-scrollbar-thumb {
    background: var(--gradient-ocean);
    border-radius: 10px;
    border: 2px solid var(--light-color);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

/* ==========================================
   UTILITY CLASSES
   ========================================== */

.glass-effect {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.ocean-gradient {
    background: var(--gradient-ocean);
}

.text-gradient {
    background: var(--gradient-ocean);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.shadow-ocean {
    box-shadow: var(--shadow-lg);
}

.hover-lift {
    transition: var(--transition);
}

.hover-lift:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}