:root {
    --primary: #0088cc; /* Deep Ice Blue */
    --primary-bright: #00d2ff;
    --primary-dark: #005f99;
    --accent: #e0faff; /* Frost */
    --secondary: #ffffff;
    --bg-main: #f4f9fd;
    --bg-card: rgba(255, 255, 255, 0.8);
    --bg-card-dark: rgba(240, 248, 255, 0.85);
    --text-main: #1a2a3a;
    --text-muted: #5a7a9a;
    --gradient-primary: linear-gradient(135deg, #00d2ff 0%, #0088cc 100%);
    --gradient-dark: linear-gradient(180deg, #e6f3ff 0%, #ffffff 100%);
    --gradient-glow: radial-gradient(circle at center, rgba(0, 210, 255, 0.15) 0%, transparent 70%);
    --shadow-premium: 0 20px 40px rgba(0, 136, 204, 0.08), 0 0 20px rgba(0, 210, 255, 0.05);
    --border-primary: rgba(0, 210, 255, 0.2);
    --border-light: rgba(255, 255, 255, 0.6);
    --glass: blur(16px);
}

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

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

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

h1, h2, h3, h4, h5, h6 {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: #0b1c2e;
}

::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg-main);
}

::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 10px;
}

.navbar {
    background: rgba(255, 255, 255, 0.85) !important;
    backdrop-filter: var(--glass);
    border-bottom: 1px solid var(--border-light);
    padding: 1rem 0;
    box-shadow: 0 4px 30px rgba(0,0,0,0.03);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.navbar-brand {
    font-size: 1.8rem;
    font-weight: 800;
    color: #0b1c2e !important;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    letter-spacing: -1px;
}

.navbar-brand span {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-link {
    color: var(--text-muted) !important;
    font-weight: 500;
    margin: 0 1.2rem;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    letter-spacing: 0.5px;
}

.nav-link:hover, .nav-link.active {
    color: var(--primary-dark) !important;
}

.btn-primary {
    background: var(--gradient-primary);
    border: none;
    color: #fff;
    font-weight: 600;
    padding: 0.8rem 2rem;
    border-radius: 8px;
    transition: all 0.4s ease;
    box-shadow: 0 10px 20px rgba(0, 136, 204, 0.2);
    font-size: 0.95rem;
    letter-spacing: 0.5px;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 30px rgba(0, 136, 204, 0.3);
    color: #fff;
}

.btn-outline {
    background: rgba(255,255,255,0.5);
    backdrop-filter: var(--glass);
    border: 1px solid var(--primary);
    color: var(--primary-dark);
    padding: 0.8rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.4s ease;
    font-size: 0.95rem;
    letter-spacing: 0.5px;
}

.btn-outline:hover {
    background: var(--primary);
    color: #fff;
}

.hero {
    min-height: 100vh;
    padding-top: 100px;
    position: relative;
    display: flex;
    align-items: center;
    background: radial-gradient(circle at top right, #e0faff 0%, transparent 60%);
}

.hero h1 {
    font-size: 5.5rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    font-weight: 800;
}

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

.hero p {
    font-size: 1.2rem;
    color: var(--text-muted);
    max-width: 600px;
    margin-bottom: 2.5rem;
    line-height: 1.8;
}

.glass-card {
    background: var(--bg-card);
    backdrop-filter: var(--glass);
    border: 1px solid var(--border-light);
    border-radius: 16px;
    padding: 2.5rem;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.02);
}

.glass-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary);
    box-shadow: var(--shadow-premium);
}

.glass-card-premium {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.9), rgba(245, 250, 255, 0.9));
    backdrop-filter: var(--glass);
    border: 1px solid var(--border-light);
    border-radius: 20px;
    padding: 3rem;
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    position: relative;
    overflow: hidden;
    box-shadow: 0 15px 35px rgba(0, 136, 204, 0.06);
}

.glass-card-premium:hover {
    transform: translateY(-5px);
    border-color: var(--primary-bright);
    box-shadow: 0 25px 50px rgba(0, 136, 204, 0.1);
}

.sub-title {
    color: var(--primary-dark);
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 1rem;
    display: block;
}

.section-title {
    font-size: 3.5rem;
    margin-bottom: 2.5rem;
    line-height: 1.2;
}

.section {
    padding: 100px 0;
}

.counter-item h2 {
    font-size: 3rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.form-floating > .form-control {
    background: #fff;
    border: 1px solid #d0e3f0;
    color: #1a2a3a;
    border-radius: 8px;
    padding: 1rem;
}

.form-floating > .form-control:focus {
    border-color: var(--primary);
    background: #fff;
    box-shadow: 0 0 10px rgba(0, 136, 204, 0.1);
}

.form-floating > label {
    color: var(--text-muted);
}

footer {
    padding: 80px 0 40px;
    border-top: 1px solid rgba(0,0,0,0.05);
    background: #ffffff;
}

@media (max-width: 991px) {
    .hero h1 { font-size: 3.5rem; }
    .section-title { font-size: 2.5rem; }
}

@media (max-width: 768px) {
    .hero h1 { font-size: 2.5rem; }
    .section-title { font-size: 2rem; }
}