/* =========================================
   GLOBAL THEME
   ========================================= */
:root {
    --bg-dark: #0a0f1f;
    --bg-card: #11182c;
    --text-light: #e8ecf7;
    --text-muted: #98a2b3;
    --primary: #0aa3ff;
    --primary-glow: rgba(0, 170, 255, 0.6);
    --gradient-hero: linear-gradient(135deg, #0d1b2a, #0a0f1f, #001b3d);
    --gradient-card: linear-gradient(135deg, #12243d, #0c1a2c);
    --transition: 0.3s ease;
}

body {
    margin: 0;
    padding: 0;
    font-family: "Segoe UI", Roboto, Arial, sans-serif;
    background: var(--bg-dark);
    color: var(--text-light);
    scroll-behavior: smooth;
}

/* =========================================
   NAVBAR
   ========================================= */
header {
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(10px);
    padding: 20px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

header nav a {
    color: var(--text-light);
    margin-right: 20px;
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

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

/* =========================================
   CONTENT WRAPPER
   ========================================= */
.content {
    padding: 50px 20px;
    max-width: 1100px;
    margin: auto;
}

/* =========================================
   HERO SECTION
   ========================================= */
.hero {
    padding: 120px 20px;
    text-align: center;
    background: var(--gradient-hero);
    border-radius: 16px;
    box-shadow: 0 0 25px rgba(0, 170, 255, 0.2);
    animation: fadeIn 1.5s ease;
}

.hero h2 {
    font-size: 50px;
    background: linear-gradient(90deg, #66d1ff, #0aa3ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    max-width: 700px;
    margin: auto;
    font-size: 20px;
    opacity: 0.9;
}

/* =========================================
   BUTTONS
   ========================================= */
.btn {
    display: inline-block;
    margin-top: 30px;
    padding: 14px 35px;
    background: var(--primary);
    color: white;
    text-decoration: none;
    border-radius: 30px;
    font-size: 18px;
    font-weight: bold;
    transition: var(--transition);
    box-shadow: 0 0 15px var(--primary-glow);
}

.btn:hover {
    transform: scale(1.05);
    box-shadow: 0 0 25px var(--primary-glow);
}

/* =========================================
   FEATURES SECTION
   ========================================= */
.features {
    display: flex;
    justify-content: center;
    gap: 25px;
    flex-wrap: wrap;
    margin-top: 60px;
}

.feature-card {
    width: 300px;
    padding: 25px;
    border-radius: 14px;
    background: var(--gradient-card);
    box-shadow: 0 0 20px rgba(0, 170, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.06);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 0 28px var(--primary-glow);
}

.feature-card h3 {
    color: #74c7ff;
}

/* =========================================
   FOOTER
   ========================================= */
footer {
    background: rgba(0, 0, 0, 0.5);
    padding: 20px;
    text-align: center;
    font-size: 15px;
    margin-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

/* =========================================
   ANIMATIONS
   ========================================= */
@keyframes fadeIn {
    from { opacity:0; transform: translateY(20px); }
    to { opacity:1; transform: translateY(0); }
}
/* =========================================
   LOGO GLOW (SUBTLE VERSION)
   ========================================= */
.logo-glow {
    width: 75px;
    height: 75px;

    /* subtle glow */
    filter: drop-shadow(0 0 6px #0aa3ff80)
            drop-shadow(0 0 12px #0aa3ff40);

    transition: 0.3s ease;
}

/* gentle hover glow */
.logo-glow:hover {
    transform: scale(1.04);
    filter: drop-shadow(0 0 10px #0aa3ff80)
            drop-shadow(0 0 20px #0aa3ff50);
}
/* =========================================
   CONTACT CARD (GLASS PANEL)
   ========================================= */
.contact-card {
    max-width: 500px;
    padding: 25px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.06);
    backdrop-filter: blur(12px);
    box-shadow: 0 0 20px rgba(0, 170, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.09);
    margin-top: 20px;
}

.contact-card p {
    color: #c6ccda;
    font-size: 16px;
    margin: 10px 0;
}

.contact-card strong {
    color: #e6e9f5;
}