/* ===========================
   CSS Variables & Reset
   =========================== */
:root {
    /* Brand Colors - Light Mode */
    --color-bg: #FAFAFA;
    --color-navy: #08083E;
    --color-blue: #303CCC;
    --color-teal: #7AACFF;
    --color-white: #FFFFFF;
    --color-gray-light: #F5F5F5;
    --color-gray-medium: #E0E0E0;
    --color-gray-dark: #666666;
    --color-text: #08083E;
    --color-text-secondary: #666666;
    --color-card-bg: #FFFFFF;
    --color-border: rgba(8, 8, 62, 0.06);

    /* Typography */
    --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(8, 8, 62, 0.04);
    --shadow-md: 0 4px 16px rgba(8, 8, 62, 0.08);
    --shadow-lg: 0 8px 32px rgba(8, 8, 62, 0.12);

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
}

/* Dark Mode */
body.dark-mode {
    --color-bg: #0a0a1a;
    --color-navy: #e8e8ff;
    --color-text: #e8e8ff;
    --color-text-secondary: #b8b8d0;
    --color-card-bg: #151525;
    --color-gray-light: #1a1a2e;
    --color-gray-dark: #b8b8d0;
    --color-border: rgba(255, 255, 255, 0.1);
    --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);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Background Pattern */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        radial-gradient(circle at 20% 30%, rgba(122, 172, 255, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(48, 60, 204, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(8, 8, 62, 0.02) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

/* ===========================
   Typography
   =========================== */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 800;
    line-height: 1.2;
    color: var(--color-text);
}

/* ===========================
   Container
   =========================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ===========================
   Navigation
   =========================== */
.navbar {
    position: sticky;
    top: 0;
    background: var(--color-card-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-sm) 0;
    z-index: 1000;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}


.logo-img {
    width: 70px;
    height: 70px;
    display: block;
    border-radius: var(--radius-sm);
    transform: translateY(-7px);

}

.logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text);
    display: block;
    transform: translateX(-20px);
    line-height: 1;
}

.nav-links {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-link {
    color: var(--color-gray-dark);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color var(--transition-fast);
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-blue);
    transition: width var(--transition-fast);
}

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

.nav-buttons {
    display: flex;
    gap: var(--spacing-sm);
}

.theme-toggle {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text);
    transition: all var(--transition-fast);
}

.theme-toggle:hover {
    background: var(--color-gray-light);
}

.theme-toggle svg {
    transition: all var(--transition-normal);
}

.sun-icon {
    display: block;
}

.moon-icon {
    display: none;
}

body.dark-mode .sun-icon {
    display: none;
}

body.dark-mode .moon-icon {
    display: block;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: all var(--transition-fast);
}

.mobile-menu {
    display: none;
    flex-direction: column;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) 0;
    border-top: 1px solid rgba(8, 8, 62, 0.06);
}

.mobile-menu.active {
    display: flex;
}

.mobile-link {
    color: var(--color-text);
    text-decoration: none;
    font-weight: 500;
    padding: var(--spacing-xs) 0;
}

.mobile-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

/* ===========================
   Buttons
   =========================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-normal);
    cursor: pointer;
    border: none;
    font-family: var(--font-body);
    font-size: 0.95rem;
    box-shadow: var(--shadow-sm);
}

.btn-primary {
    background: var(--color-blue);
    color: var(--color-white);
}

.btn-primary:hover {
    background: #2530b3;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}


.btn-secondary {
    background: var(--color-white);
    color: var(--color-navy);
    border: 1.5px solid rgba(8, 8, 62, 0.1);
}

.btn-secondary:hover {
    background: var(--color-gray-light);
    border-color: rgba(8, 8, 62, 0.2);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Dark mode – ONLY navbar store buttons */
body.dark-mode .navbar .btn-secondary {
    background: var(--color-card-bg);
    color: var(--color-text);
    border-color: var(--color-border);
}



.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn-large {
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
    flex-direction: row;
    align-items: center;
    gap: 0.75rem;
    min-width: 200px;
}

.btn-large svg {
    flex-shrink: 0;
}

.btn-large span {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.125rem;
}

.btn-large small {
    font-size: 0.7rem;
    font-weight: 400;
    opacity: 0.75;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.btn-large strong {
    font-size: 1.125rem;
    font-weight: 700;
    line-height: 1;
}

/* Dark mode – ONLY Hero secondary button */
body.dark-mode .hero .btn.btn-secondary.btn-large {
    background: var(--color-card-bg);
    color: var(--color-text);
    border-color: var(--color-border);
}

/* ===========================
   Hero Section
   =========================== */
.hero {
    padding: var(--spacing-xl) 0;
    min-height: calc(100vh - 80px);
    display: flex;
    align-items: center;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

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

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-gray-dark);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: transparent;
}

.phone-mockup {
    max-width: 100%;
    height: auto;
    filter: drop-shadow(0 20px 60px rgba(8, 8, 62, 0.15));
    animation: float 6s ease-in-out infinite;
}

body.dark-mode .phone-mockup {
    filter: drop-shadow(0 20px 60px rgba(122, 172, 255, 0.3));
}


@keyframes float {

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

    50% {
        transform: translateY(-20px);
    }
}

/* ===========================
   Features Section
   =========================== */
.features {
    padding: var(--spacing-xl) 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.feature-card {
    background: var(--color-card-bg);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    border: 1px solid var(--color-border);
}

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

.feature-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--color-blue), var(--color-teal));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    color: var(--color-white);
}

.feature-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.feature-description {
    color: var(--color-gray-dark);
    line-height: 1.7;
}

/* ===========================
   Screenshots Section
   =========================== */
.screenshots {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.screenshots-container {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: var(--spacing-md) 0;
}

.screenshots-image {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    mix-blend-mode: multiply;
}

body.dark-mode .screenshots-image {
    mix-blend-mode: screen;
}

/* ===========================
   FAQ Section
   =========================== */
.faq {
    padding: var(--spacing-xl) 0;
}

.faq-grid {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.faq-item {
    background: var(--color-card-bg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: all var(--transition-normal);
    border: 1px solid var(--color-border);
}

.faq-item:hover {
    box-shadow: var(--shadow-md);
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    background: none;
    border: none;
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-text);
    cursor: pointer;
    text-align: left;
    transition: all var(--transition-fast);
}

.faq-question:hover {
    color: var(--color-blue);
}

.faq-icon {
    flex-shrink: 0;
    transition: transform var(--transition-normal);
    color: var(--color-teal);
}

.faq-item.active .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal);
}

.faq-item.active .faq-answer {
    max-height: 200px;
}

.faq-answer p {
    padding: 0 var(--spacing-md) var(--spacing-md);
    color: var(--color-gray-dark);
    line-height: 1.7;
}

/* ===========================
   CTA Section
   =========================== */
.cta {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, #08083E, #303CCC);
    position: relative;
    overflow: hidden;
}

body.dark-mode .cta {
    background: linear-gradient(135deg, #0a0a1a, #1a1a3e);
}

.cta::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(122, 172, 255, 0.2) 0%, transparent 70%);
    pointer-events: none;
}

.cta-container {
    text-align: center;
    position: relative;
    z-index: 1;
}

.cta-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.cta-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-lg);
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.cta-buttons .btn {
    background: var(--color-white);
    color: #08083E;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    border: none;
}

.cta-buttons .btn:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.25);
    background: #f8f8f8;
}

.cta-buttons .btn svg {
    color: var(--color-blue);
}

.cta-buttons .btn small,
.cta-buttons .btn strong {
    color: #08083E;
}

/* ===========================
   Footer
   =========================== */
.footer {
    padding: var(--spacing-lg) 0;
    background: var(--color-card-bg);
    border-top: 1px solid var(--color-border);
}

.footer-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.footer-logo {
    display: flex;
    align-items: center;
}

.footer-logo-img {
    width: 62px;
    height: 62px;
    border-radius: var(--radius-sm);
    transform: translateY(-7px);

}

.footer-logo-text {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-text);
    transform: translateX(-6px);

}

.footer-text {
    color: var(--color-gray-dark);
    font-size: 0.875rem;
}

/* ===========================
   Responsive Design
   =========================== */
@media (max-width: 968px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

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

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

    .hero-image {
        order: -1;
    }

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

    .nav-links,
    .nav-buttons {
        display: none;
        
    }

    .mobile-menu-btn {
        display: flex;
        
    }
}

@media (max-width: 640px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }

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

    .hero-subtitle {
        font-size: 1.125rem;
    }

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

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

    .cta-subtitle {
        font-size: 1.125rem;
    }

    .hero-buttons,
    .cta-buttons {
        flex-direction: column;
        width: 100%;
    }

    .btn-large {
        width: 100%;
        justify-content: flex-start;
        padding: 1rem 1.5rem;
    }

    .feature-card {
        padding: var(--spacing-md);
    }

    .nav-container {
        gap: var(--spacing-sm);
    }
}