/* ==========================================
   BULUM LANDING PAGE - STYLES
   RTL Arabic Design with Light/Dark Themes
   ========================================== */

/* === CSS Variables for Themes === */
:root.light-theme {
    /* Colors */
    --bg-primary: #FFF1E3;
    --bg-secondary: #FFF6EA;
    --bg-card: #FFF6EA;
    --text-heading: #322D2A;
    --text-body: #322D2A;
    --accent-primary: #322D2A;
    --accent-secondary: #E4C59E;
    --btn-bg: #322D2A;
    --btn-text: #FFF1E3;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(50, 45, 42, 0.1);
    --shadow-md: 0 4px 16px rgba(50, 45, 42, 0.15);
    --shadow-lg: 0 8px 32px rgba(50, 45, 42, 0.2);

    /* Overlays */
    --overlay-light: rgba(255, 241, 227, 0.95);
    --navbar-bg: rgba(255, 241, 227, 0.9);
}

:root.dark-theme {
    /* Colors */
    --bg-primary: #322D2A;
    --bg-secondary: #483D37;
    --bg-card: #483D37;
    --text-heading: #FFFFFF;
    --text-body: #FFFFFF;
    --accent-primary: #E4C59E;
    --accent-secondary: #E4C59E;
    --btn-bg: #E4C59E;
    --btn-text: #322D2A;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);

    /* Overlays */
    --overlay-light: rgba(50, 45, 42, 0.95);
    --navbar-bg: rgba(50, 45, 42, 0.9);
}

/* === Global Styles === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Cairo', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-body);
    transition: background-color 0.3s ease, color 0.3s ease;
    overflow-x: hidden;
}

/* === Typography === */
.text-heading {
    color: var(--text-heading);
}

.text-body {
    color: var(--text-body);
}

.text-accent {
    color: var(--accent-secondary);
}

/* === Navbar === */
.navbar-bg {
    background-color: var(--navbar-bg);
    border-bottom: 1px solid var(--accent-secondary);
    box-shadow: var(--shadow-sm);
}

.nav-link {
    position: relative;
    color: var(--text-heading);
    font-weight: 600;
    transition: color 0.3s ease;
    padding: 0.5rem 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-secondary);
    transition: width 0.3s ease;
}

.nav-link:hover {
    color: var(--accent-secondary);
}

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

.theme-toggle-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--btn-bg);
    color: var(--btn-text);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.theme-toggle-btn:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-md);
}

/* Mobile Menu */
.mobile-menu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.mobile-menu.active {
    max-height: 500px;
}

.mobile-nav-link {
    display: block;
    color: var(--text-heading);
    font-weight: 600;
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
}

.mobile-nav-link:hover {
    background-color: var(--accent-secondary);
    color: var(--btn-text);
}

/* === Buttons === */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 2rem;
    background-color: var(--btn-bg);
    color: var(--btn-text);
    font-weight: 700;
    border-radius: 12px;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
    text-decoration: none;
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-primary:active {
    transform: translateY(0);
}

/* === Hero Section === */
.hero-section {
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    position: relative;
    overflow: hidden;
}

.badge {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background-color: var(--accent-secondary);
    color: var(--btn-text);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    box-shadow: var(--shadow-sm);
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1.2;
    color: var(--text-heading);
    margin-bottom: 1.5rem;
}

@media (min-width: 768px) {
    .hero-title {
        font-size: 3.5rem;
    }
}

.hero-description {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-body);
    opacity: 0.9;
}

/* Download Buttons */
.download-btn {
    display: inline-flex;
    align-items: center;
    padding: 0.875rem 1.5rem;
    border-radius: 12px;
    font-weight: 600;
    transition: all 0.3s ease;
    text-decoration: none;
    box-shadow: var(--shadow-md);
}

.download-btn-apple {
    background: linear-gradient(135deg, #000000 0%, #434343 100%);
    color: #ffffff;
}

.download-btn-google {
    background: linear-gradient(135deg, #34A853 0%, #4285F4 100%);
    color: #ffffff;
}

.download-btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.download-btn-large {
    display: inline-flex;
    align-items: center;
    padding: 1.25rem 2rem;
    border-radius: 16px;
    font-weight: 600;
    transition: all 0.3s ease;
    text-decoration: none;
    box-shadow: var(--shadow-lg);
}

.download-btn-large:hover {
    transform: scale(1.05);
}

/* Stats */
.stat-card {
    text-align: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent-secondary);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-body);
    opacity: 0.75;
}

/* Phone Mockup */
.phone-mockup {
    max-width: 350px;
    position: relative;
}

.phone-screen {
    background: var(--bg-card);
    border-radius: 40px;
    padding: 1rem;
    box-shadow: var(--shadow-lg);
    border: 8px solid var(--accent-secondary);
}

/* Floating Elements */
.floating-element {
    position: absolute;
    background-color: var(--bg-card);
    padding: 1rem;
    border-radius: 50%;
    box-shadow: var(--shadow-lg);
    animation: float 3s ease-in-out infinite;
}

.floating-1 {
    top: 10%;
    left: -5%;
}

.floating-2 {
    bottom: 20%;
    left: 10%;
    animation-delay: 1s;
}

.floating-3 {
    top: 50%;
    right: -5%;
    animation-delay: 2s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

/* === Sections === */
.section-bg {
    background-color: var(--bg-secondary);
}

.section-label {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background-color: var(--accent-secondary);
    color: var(--btn-text);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-heading);
    margin-bottom: 1rem;
    line-height: 1.2;
}

@media (min-width: 768px) {
    .section-title {
        font-size: 3rem;
    }
}

.section-description {
    font-size: 1.125rem;
    color: var(--text-body);
    opacity: 0.8;
    max-width: 600px;
    margin: 0 auto;
}

/* === Feature Cards === */
.feature-card {
    background-color: var(--bg-card);
    padding: 2rem;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-secondary);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--accent-secondary) 0%, var(--accent-primary) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--btn-text);
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-md);
}

.feature-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-heading);
    margin-bottom: 1rem;
}

.feature-description {
    color: var(--text-body);
    line-height: 1.8;
    opacity: 0.85;
}

/* === About Section === */
.about-image-wrapper {
    position: relative;
    overflow: hidden;
    border-radius: 20px;
}

.about-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(50, 45, 42, 0.8) 0%, rgba(228, 197, 158, 0.6) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.about-image-wrapper:hover .about-overlay {
    opacity: 1;
}

.about-stat {
    background-color: var(--bg-card);
    padding: 1.5rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.about-stat:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

/* === Screenshots === */
.screenshot-card {
    position: relative;
    overflow: hidden;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    cursor: pointer;
    transition: all 0.3s ease;
}

.screenshot-card img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.3s ease;
}

.screenshot-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(228, 197, 158, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    color: var(--btn-text);
}

.screenshot-card:hover .screenshot-overlay {
    opacity: 1;
}

.screenshot-card:hover img {
    transform: scale(1.1);
}

/* === CTA Section === */
.cta-section {
    background: linear-gradient(135deg, var(--accent-secondary) 0%, var(--accent-primary) 100%);
    position: relative;
    overflow: hidden;
}

.cta-container {
    background-color: var(--bg-card);
    padding: 4rem 2rem;
    border-radius: 24px;
    box-shadow: var(--shadow-lg);
}

/* === Contact Section === */
.contact-info-card {
    display: flex;
    align-items: start;
    gap: 1.5rem;
    padding: 1.5rem;
    background-color: var(--bg-card);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.contact-info-card:hover {
    transform: translateX(-8px);
    box-shadow: var(--shadow-md);
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--accent-secondary) 0%, var(--accent-primary) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--btn-text);
    flex-shrink: 0;
}

.social-icon {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background-color: var(--btn-bg);
    color: var(--btn-text);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    text-decoration: none;
}

.social-icon:hover {
    transform: translateY(-4px) scale(1.1);
    box-shadow: var(--shadow-md);
}

/* Contact Form */
.contact-form {
    background-color: var(--bg-card);
    padding: 2rem;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    font-weight: 600;
    color: var(--text-heading);
    margin-bottom: 0.5rem;
}

.form-input {
    width: 100%;
    padding: 0.875rem 1rem;
    background-color: var(--bg-primary);
    border: 2px solid transparent;
    border-radius: 10px;
    color: var(--text-body);
    font-family: 'Cairo', sans-serif;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-secondary);
    box-shadow: 0 0 0 3px rgba(228, 197, 158, 0.2);
}

/* === Footer === */
.footer {
    background-color: var(--bg-secondary);
    padding: 3rem 0 1rem;
    border-top: 2px solid var(--accent-secondary);
}

.footer-link {
    color: var(--text-body);
    opacity: 0.75;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.footer-link:hover {
    opacity: 1;
    color: var(--accent-secondary);
    transform: translateX(-4px);
}

/* === Back to Top Button === */
.back-to-top {
    position: fixed;
    bottom: 30px;
    left: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--btn-bg);
    color: var(--btn-text);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
}

/* === Animations === */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.animate-fade-in-up {
    animation: fadeInUp 0.8s ease-out;
}

.animate-fade-in-right {
    animation: fadeInRight 0.8s ease-out;
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* === Responsive Design === */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .stat-number {
        font-size: 1.5rem;
    }

    .floating-element {
        display: none;
    }
}

/* === Print Styles === */
@media print {
    .navbar,
    .back-to-top,
    .theme-toggle-btn {
        display: none;
    }
}