/* RakshaLink Cybersecurity Theme */
:root {
    /* Core Palette - Dark Mode Base */
    --bg-dark: #0f172a;
    --bg-darker: #020617;
    --bg-card: rgba(30, 41, 59, 0.7);

    /* Neon Accents */
    --primary: #3b82f6;
    /* Electric Blue */
    --primary-glow: rgba(59, 130, 246, 0.5);
    --secondary: #10b981;
    /* Cyber Green */
    --secondary-glow: rgba(16, 185, 129, 0.5);
    --accent: #f43f5e;
    /* Alert Red */
    --text: #e2e8f0;
    --text-muted: #94a3b8;
    --border: rgba(148, 163, 184, 0.1);

    /* Gradients */
    --hero-gradient: radial-gradient(circle at top center, #1e293b 0%, #020617 100%);
    --card-gradient: linear-gradient(145deg, rgba(30, 41, 59, 0.6) 0%, rgba(15, 23, 42, 0.8) 100%);
    --text-gradient: linear-gradient(to right, #60a5fa, #34d399);

    /* Effects */
    --glass: blur(12px);
    --glow-shadow: 0 0 20px var(--primary-glow);
    --radius: 12px;
}

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

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

/* Background Grid Pattern */
.bg-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(148, 163, 184, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(148, 163, 184, 0.03) 1px, transparent 1px);
    background-size: 40px 40px;
    z-index: -1;
    pointer-events: none;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: 'Outfit', sans-serif;
    color: white;
    font-weight: 700;
    letter-spacing: -0.02em;
}

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

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(2, 6, 23, 0.8);
    backdrop-filter: var(--glass);
    border-bottom: 1px solid var(--border);
    padding: 1rem 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
    font-size: 1.25rem;
    color: white;
    text-decoration: none;
}

.logo-icon {
    height: 32px;
    width: auto;
    filter: drop-shadow(0 0 8px var(--primary-glow));
}

.nav-menu {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-link:hover {
    color: var(--primary);
    text-shadow: 0 0 8px var(--primary-glow);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius);
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--primary);
    color: white;
    box-shadow: 0 0 15px var(--primary-glow);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 25px var(--primary-glow);
    background: #2563eb;
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text);
}

.btn-outline:hover {
    border-color: var(--primary);
    color: white;
    box-shadow: 0 0 10px var(--primary-glow);
}

/* Hero Section */
.hero {
    padding: 160px 0 80px;
    position: relative;
    overflow: hidden;
}

.hero-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 60px;
}

.hero-text {
    flex: 1;
    max-width: 600px;
}

.hero h1 {
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
}

.hero-badges {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.badge-item {
    background: rgba(255, 255, 255, 0.05);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    border: 1px solid var(--border);
    color: var(--text-muted);
}

/* Phone Mockup */
.phone-container {
    flex: 1;
    display: flex;
    justify-content: center;
    position: relative;
}

.phone-mockup {
    width: 300px;
    height: 600px;
    background: #0f172a;
    border-radius: 40px;
    border: 8px solid #334155;
    position: relative;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    overflow: hidden;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, #1e293b 0%, #0f172a 100%);
    padding: 40px 15px 20px;
    position: relative;
}

/* Notch */
.phone-mockup::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 25px;
    background: #334155;
    border-bottom-left-radius: 16px;
    border-bottom-right-radius: 16px;
    z-index: 10;
}

/* Notifications */
.notification-card {
    background: rgba(30, 41, 59, 0.9);
    backdrop-filter: blur(8px);
    border-radius: 12px;
    padding: 12px;
    margin-bottom: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    animation: slideIn 0.5s ease-out forwards;
    opacity: 0;
    transform: translateY(20px);
}

.notif-1 {
    animation-delay: 0.2s;
}

.notif-2 {
    animation-delay: 1.5s;
}

.notif-3 {
    animation-delay: 3s;
}

@keyframes slideIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.notif-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.notif-body {
    font-size: 0.85rem;
    color: white;
    line-height: 1.4;
}

.risk-tag {
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 0.7rem;
    font-weight: 600;
}

.risk-safe {
    background: rgba(16, 185, 129, 0.2);
    color: #34d399;
}

.risk-high {
    background: rgba(244, 63, 94, 0.2);
    color: #fb7185;
}

/* Cards */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.15);
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--card-gradient);
    z-index: -1;
}

.feature-icon {
    width: 50px;
    height: 50px;
    background: rgba(59, 130, 246, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--primary);
    font-size: 1.5rem;
    border: 1px solid rgba(59, 130, 246, 0.2);
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Footer */
.footer {
    background: var(--bg-darker);
    border-top: 1px solid var(--border);
    padding: 60px 0 30px;
    margin-top: 80px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand p {
    color: var(--text-muted);
    margin-top: 1rem;
    max-width: 300px;
}

.footer-links h4 {
    margin-bottom: 1.5rem;
    color: white;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: var(--primary);
    text-shadow: 0 0 8px var(--primary-glow);
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.social-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
    border: 1px solid var(--border);
}

.social-icon:hover {
    background: var(--primary);
    border-color: var(--primary);
    box-shadow: 0 0 15px var(--primary-glow);
    transform: translateY(-2px);
}

.social-icon svg {
    width: 20px;
    height: 20px;
    fill: white;
}

/* Utilities */
.text-center {
    text-align: center;
}

.mb-4 {
    margin-bottom: 1rem;
}

.mt-4 {
    margin-top: 1rem;
}

/* Feature Cards (Full Width) */
.feature-card-full {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: 40px;
    display: flex;
    align-items: stretch;
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card-full:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
    border-color: var(--primary);
}

.feature-card-full.reverse {
    flex-direction: row-reverse;
}

.feature-content {
    flex: 1;
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.feature-content h3 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
    color: white;
}

.feature-content p {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
}

.feature-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.feature-list li {
    margin-bottom: 0.75rem;
    color: var(--text);
    font-weight: 500;
}

.feature-visual-box {
    flex: 1;
    background: var(--card-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
    position: relative;
    overflow: hidden;
}

.feature-visual-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(59, 130, 246, 0.1) 0%, transparent 70%);
}

.visual-alert {
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(10px);
    padding: 20px;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    gap: 15px;
    max-width: 350px;
    width: 100%;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    position: relative;
    z-index: 1;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-10px);
    }
}

.alert-icon {
    font-size: 2.5rem;
}

.alert-text {
    display: flex;
    flex-direction: column;
}

.alert-text strong {
    color: white;
    font-size: 1rem;
}

.alert-text span {
    color: #fb7185;
    /* Red for alerts */
    font-size: 0.85rem;
}

/* Trust Badges */
.trust-section {
    padding: 60px 0;
    text-align: center;
    background: rgba(2, 6, 23, 0.5);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.trust-grid {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
    margin-top: 30px;
}

.trust-badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.trust-icon {
    width: 60px;
    height: 60px;
    background: rgba(59, 130, 246, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary);
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.trust-text {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* How it Works (Timeline) */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 60px auto;
    padding: 20px 0;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: var(--border);
}

.step-card {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    position: relative;
    width: 45%;
    margin-bottom: 40px;
}

.step-card:nth-child(odd) {
    margin-left: auto;
}

.step-card:nth-child(even) {
    margin-right: auto;
}

.step-number {
    position: absolute;
    top: 20px;
    width: 40px;
    height: 40px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    box-shadow: 0 0 15px var(--primary-glow);
}

.step-card:nth-child(odd) .step-number {
    left: -50px;
}

.step-card:nth-child(even) .step-number {
    right: -50px;
}

/* Responsive */
@media (max-width: 900px) {
    .feature-card-full {
        flex-direction: column !important;
    }

    .feature-visual-box {
        min-height: 250px;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .nav-menu {
        display: none;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }

    .timeline::before {
        left: 20px;
    }

    .step-card {
        width: 100%;
        margin-left: 50px !important;
    }

    .step-card .step-number {
        left: -50px !important;
        right: auto !important;
    }
}

/* Play Store Badge */
.play-badge {
    display: inline-block;
    transition: transform 0.3s;
}

.play-badge:hover {
    transform: translateY(-3px);
    filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.3));
}