/* ============================================
   مذكراتي - Landing Page Styles
   ============================================ */

/* Custom Font */
@font-face {
    font-family: 'DINNext';
    src: url('fonts/DINNext.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

/* Variables */
:root {
    --primary-color: #667eea;
    --primary-dark: #5a67d8;
    --secondary-color: #764ba2;
    --accent-color: #f093fb;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --dark-bg: #0f0f1a;
    --dark-surface: #1a1a2e;
    --dark-card: #16213e;
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-muted: rgba(255, 255, 255, 0.5);
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-accent: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --shadow-lg: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    --border-radius: 16px;
    --transition: all 0.3s ease;
}

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

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

a {
    text-decoration: none;
    color: inherit;
}

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

/* ============================================
   Navigation
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 15px 0;
    background: rgba(15, 15, 26, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    transition: var(--transition);
}

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

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.5rem;
    font-weight: 700;
}

.nav-brand .logo {
    width: 45px;
    height: 45px;
    border-radius: 12px;
    overflow: hidden;
}

.nav-brand .logo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.nav-links {
    display: flex;
    gap: 35px;
}

.nav-links a {
    color: var(--text-secondary);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition);
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding: 100px 0 50px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: var(--primary-color);
    top: -200px;
    right: -200px;
    animation: float 8s ease-in-out infinite;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: var(--secondary-color);
    bottom: -100px;
    left: -100px;
    animation: float 6s ease-in-out infinite reverse;
}

.orb-3 {
    width: 300px;
    height: 300px;
    background: var(--accent-color);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: float 10s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-30px) scale(1.05); }
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

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

.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    font-size: 0.9rem;
    color: var(--accent-color);
    margin-bottom: 20px;
    backdrop-filter: blur(10px);
}

.badge i {
    color: var(--accent-color);
}

.hero-text h1 {
    font-size: 4rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
}

.tagline {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.description {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 30px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    margin-bottom: 40px;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 30px;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(102, 126, 234, 0.5);
}

.btn-secondary {
    background: var(--glass-bg);
    color: white;
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
}

.stats {
    display: flex;
    gap: 40px;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* Phone Mockup */
.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.phone-mockup {
    width: 300px;
    height: 620px;
    background: #1a1a2e;
    border-radius: 40px;
    padding: 15px;
    box-shadow: var(--shadow-lg), inset 0 0 0 3px rgba(255, 255, 255, 0.1);
    position: relative;
    animation: phoneFloat 4s ease-in-out infinite;
}

@keyframes phoneFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, #0f0f1a 0%, #1a1a2e 100%);
    border-radius: 30px;
    overflow: hidden;
    position: relative;
}

.app-preview {
    padding: 30px 20px;
}

.preview-header {
    margin-bottom: 25px;
}

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

.user-name {
    font-size: 1.8rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.preview-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 15px;
    margin-bottom: 12px;
    backdrop-filter: blur(10px);
}

.card-time {
    display: inline-block;
    padding: 4px 10px;
    background: var(--gradient-primary);
    border-radius: 8px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.preview-card.upcoming .card-time {
    background: var(--gradient-accent);
}

.card-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.card-date {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.preview-chat {
    position: absolute;
    bottom: 20px;
    left: 20px;
    right: 20px;
}

.chat-input {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    backdrop-filter: blur(10px);
}

.chat-input span {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.chat-input i {
    color: var(--primary-color);
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
    color: var(--text-muted);
    font-size: 1.5rem;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

/* ============================================
   Features Section
   ============================================ */
.features {
    padding: 100px 0;
    background: linear-gradient(180deg, transparent 0%, rgba(102, 126, 234, 0.05) 50%, transparent 100%);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-badge {
    display: inline-block;
    padding: 8px 20px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    font-size: 0.9rem;
    color: var(--accent-color);
    margin-bottom: 15px;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 15px;
}

.section-header p {
    color: var(--text-muted);
    font-size: 1.1rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.feature-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    padding: 35px;
    text-align: center;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: 0 20px 40px rgba(102, 126, 234, 0.2);
}

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    background: var(--gradient-primary);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
}

.feature-card p {
    color: var(--text-muted);
    line-height: 1.7;
}

/* ============================================
   How It Works Section
   ============================================ */
.how-it-works {
    padding: 100px 0;
}

.steps {
    max-width: 700px;
    margin: 0 auto;
}

.step {
    display: flex;
    gap: 30px;
    align-items: flex-start;
}

.step-number {
    width: 60px;
    height: 60px;
    min-width: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 800;
}

.step-content {
    flex: 1;
    padding-bottom: 30px;
}

.step-content h3 {
    font-size: 1.4rem;
    margin-bottom: 10px;
}

.step-content p {
    color: var(--text-muted);
    margin-bottom: 15px;
}

.step-example {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 15px 20px;
    font-style: italic;
    color: var(--accent-color);
}

.step-result {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.result-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 15px;
    background: var(--dark-card);
    border-radius: 8px;
    font-size: 0.9rem;
}

.result-item i {
    color: var(--primary-color);
}

.notification-preview {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background: var(--dark-card);
    border-radius: 12px;
    border-right: 4px solid var(--success-color);
}

.notif-icon {
    width: 45px;
    height: 45px;
    background: var(--gradient-primary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.notif-content strong {
    display: block;
    margin-bottom: 3px;
}

.notif-content span {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.step-arrow {
    text-align: center;
    padding: 20px 0;
    color: var(--text-muted);
    font-size: 1.5rem;
}

/* ============================================
   AI Features Section
   ============================================ */
.ai-features {
    padding: 100px 0;
    background: linear-gradient(180deg, transparent 0%, rgba(240, 147, 251, 0.05) 50%, transparent 100%);
}

.ai-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.ai-text h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 20px;
}

.ai-text > p {
    color: var(--text-muted);
    margin-bottom: 25px;
}

.ai-examples {
    list-style: none;
}

.ai-examples li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--glass-border);
}

.ai-examples li:last-child {
    border-bottom: none;
}

.ai-examples i {
    color: var(--success-color);
}

.ai-examples span {
    color: var(--text-secondary);
}

.ai-visual {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    padding: 30px;
    backdrop-filter: blur(10px);
}

.chat-demo {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.chat-message {
    max-width: 90%;
}

.chat-message.user {
    align-self: flex-start;
    background: var(--gradient-primary);
    padding: 15px 20px;
    border-radius: 16px 16px 16px 4px;
}

.chat-message.ai {
    align-self: flex-end;
    display: flex;
    gap: 12px;
}

.ai-avatar {
    width: 40px;
    height: 40px;
    min-width: 40px;
    background: var(--gradient-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ai-response {
    background: var(--dark-card);
    padding: 15px 20px;
    border-radius: 16px 16px 4px 16px;
}

.ai-response p {
    margin-bottom: 12px;
}

.created-reminder {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: 10px;
    padding: 12px;
}

.created-reminder strong {
    display: block;
    margin-bottom: 4px;
}

.created-reminder span {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ============================================
   Download Section
   ============================================ */
.download {
    padding: 100px 0;
    background: var(--gradient-primary);
    position: relative;
    overflow: hidden;
}

.download::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    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");
}

.download-content {
    text-align: center;
    position: relative;
    z-index: 1;
}

.download h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 15px;
}

.download > .container > .download-content > p {
    font-size: 1.2rem;
    opacity: 0.9;
    margin-bottom: 35px;
}

.download-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 40px;
}

.store-btn {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px 30px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    transition: var(--transition);
}

.store-btn:hover {
    background: rgba(0, 0, 0, 0.5);
    transform: translateY(-3px);
}

.store-btn i {
    font-size: 2.5rem;
}

.store-text {
    text-align: right;
}

.store-text span {
    display: block;
    font-size: 0.8rem;
    opacity: 0.8;
}

.store-text strong {
    font-size: 1.2rem;
}

.app-info {
    display: flex;
    justify-content: center;
    gap: 40px;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 10px;
    opacity: 0.9;
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--dark-surface);
    padding: 60px 0 30px;
}

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

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-brand .logo {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
}

.footer-brand span {
    font-size: 1.5rem;
    font-weight: 700;
}

.footer-brand p {
    color: var(--text-muted);
}

.footer-links h4 {
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.footer-links a {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    padding: 8px 0;
    transition: var(--transition);
}

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

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--glass-border);
    color: var(--text-muted);
}

/* ============================================
   Mobile Navigation
   ============================================ */
.mobile-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 15, 26, 0.95);
    backdrop-filter: blur(20px);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.mobile-nav.active {
    opacity: 1;
    visibility: visible;
}

.mobile-nav-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
}

.mobile-nav-content a {
    font-size: 1.5rem;
    font-weight: 600;
    transition: var(--transition);
}

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

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-text {
        max-width: 100%;
    }

    .hero-buttons {
        justify-content: center;
    }

    .stats {
        justify-content: center;
    }

    .hero-image {
        order: -1;
    }

    .phone-mockup {
        width: 260px;
        height: 530px;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .ai-content {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .nav-toggle {
        display: block;
    }

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

    .tagline {
        font-size: 1.2rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    .stats {
        flex-direction: column;
        gap: 20px;
    }

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

    .section-header h2 {
        font-size: 2rem;
    }

    .step {
        flex-direction: column;
        text-align: center;
    }

    .step-number {
        margin: 0 auto;
    }

    .download-buttons {
        flex-direction: column;
        align-items: center;
    }

    .app-info {
        flex-direction: column;
        gap: 20px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-brand {
        align-items: center;
    }

    .footer-links a {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .phone-mockup {
        width: 220px;
        height: 450px;
    }

    .preview-header {
        margin-bottom: 15px;
    }

    .user-name {
        font-size: 1.4rem;
    }

    .preview-card {
        padding: 12px;
    }

    .chat-input {
        padding: 12px 15px;
    }
}