/* VaneSpark Website Stylesheet */
/* Brand-aligned design with gradient backgrounds and modern aesthetics */

/* ========================================
   CSS Variables / Design Tokens
   ======================================== */
:root {
    /* Primary Colors */
    --primary-navy: #1a3a5c;
    --primary-blue: #0a4d8c;
    --secondary-blue: #1a8bcf;
    --tertiary-blue: #2196F3;

    /* Accent Colors */
    --accent-cyan: #00bcd4;
    --accent-teal: #00acc1;
    --accent-orange: #ff6b35;
    --accent-orange-light: #ff8a5c;

    /* Neutrals */
    --white: #ffffff;
    --off-white: #f8fafc;
    --light-gray: #e2e8f0;
    --medium-gray: #94a3b8;
    --dark-gray: #334155;
    --charcoal: #1e293b;

    /* Gradients */
    --gradient-hero: linear-gradient(135deg, #0a4d8c 0%, #1a8bcf 50%, #00bcd4 100%);
    --gradient-card: linear-gradient(145deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.05) 100%);
    --gradient-button: linear-gradient(135deg, var(--accent-orange) 0%, var(--accent-orange-light) 100%);
    --gradient-button-blue: linear-gradient(135deg, var(--secondary-blue) 0%, var(--accent-cyan) 100%);

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-glow: 0 0 40px rgba(0, 188, 212, 0.3);

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-heading: 'Poppins', var(--font-primary);

    /* Spacing */
    --container-max: 1200px;
    --section-padding: 80px;
    --card-radius: 16px;
    --button-radius: 8px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
}

/* ========================================
   Reset & Base Styles
   ======================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--dark-gray);
    background-color: var(--white);
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: var(--secondary-blue);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--accent-cyan);
}

/* ========================================
   Typography
   ======================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.3;
    color: var(--primary-navy);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }
h4 { font-size: 1.25rem; }

p {
    margin-bottom: 1rem;
}

/* ========================================
   Layout Components
   ======================================== */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: var(--section-padding) 0;
}

.section--dark {
    background: var(--gradient-hero);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.section--dark h1,
.section--dark h2,
.section--dark h3 {
    color: var(--white);
}

.section--light {
    background-color: var(--off-white);
}

/* ========================================
   Header / Navigation
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

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

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.header__logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.header__logo img {
    height: 45px;
    width: auto;
}

.header__logo-text {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-navy);
}

.nav {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav__link {
    font-weight: 500;
    color: var(--dark-gray);
    padding: 8px 0;
    position: relative;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-button-blue);
    transition: width var(--transition-base);
}

.nav__link:hover::after,
.nav__link.active::after {
    width: 100%;
}

.nav__link:hover {
    color: var(--secondary-blue);
}

/* Language Switcher */
.lang-switcher {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-left: 20px;
    padding-left: 20px;
    border-left: 1px solid var(--light-gray);
}

.lang-switcher__link {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--medium-gray);
    padding: 4px 8px;
    border-radius: 4px;
    transition: all var(--transition-fast);
}

.lang-switcher__link:hover {
    color: var(--secondary-blue);
    background: rgba(26, 139, 207, 0.1);
}

.lang-switcher__link.active {
    color: var(--white);
    background: var(--secondary-blue);
}

.lang-switcher__divider {
    color: var(--light-gray);
    font-size: 0.75rem;
}

/* Mobile Navigation */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.nav-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--primary-navy);
    border-radius: 2px;
    transition: var(--transition-base);
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 20px;
        gap: 0;
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
    }

    .nav.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav__link {
        padding: 15px 0;
        width: 100%;
        border-bottom: 1px solid var(--light-gray);
    }

    .lang-switcher {
        margin-left: 0;
        padding-left: 0;
        border-left: none;
        padding-top: 15px;
        justify-content: center;
    }
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 70px;
    background: var(--gradient-hero);
    position: relative;
    overflow: hidden;
}

/* Sparkle/Star decorations */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(2px 2px at 20% 30%, rgba(255,255,255,0.8) 0%, transparent 100%),
        radial-gradient(2px 2px at 40% 70%, rgba(255,255,255,0.6) 0%, transparent 100%),
        radial-gradient(1px 1px at 60% 20%, rgba(255,255,255,0.7) 0%, transparent 100%),
        radial-gradient(2px 2px at 80% 50%, rgba(255,255,255,0.5) 0%, transparent 100%),
        radial-gradient(1px 1px at 10% 80%, rgba(255,255,255,0.6) 0%, transparent 100%),
        radial-gradient(2px 2px at 70% 90%, rgba(255,255,255,0.4) 0%, transparent 100%),
        radial-gradient(1px 1px at 90% 10%, rgba(255,255,255,0.7) 0%, transparent 100%),
        radial-gradient(2px 2px at 30% 50%, rgba(255,255,255,0.5) 0%, transparent 100%);
    animation: sparkle 8s ease-in-out infinite;
    pointer-events: none;
}

@keyframes sparkle {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

/* Wave decoration at bottom */
.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 120px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 120'%3E%3Cpath fill='%23ffffff' d='M0,64L48,69.3C96,75,192,85,288,80C384,75,480,53,576,48C672,43,768,53,864,64C960,75,1056,85,1152,80C1248,75,1344,53,1392,42.7L1440,32L1440,120L1392,120C1344,120,1248,120,1152,120C1056,120,960,120,864,120C768,120,672,120,576,120C480,120,384,120,288,120C192,120,96,120,48,120L0,120Z'%3E%3C/path%3E%3C/svg%3E") no-repeat bottom;
    background-size: cover;
}

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

.hero__content {
    color: var(--white);
}

.hero__tagline {
    display: inline-block;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 24px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero__title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--white);
}

.hero__title span {
    background: linear-gradient(135deg, var(--accent-orange) 0%, #ffd700 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__description {
    font-size: 1.125rem;
    opacity: 0.9;
    margin-bottom: 32px;
    max-width: 500px;
}

.hero__buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero__logo-container {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero__logo-circle {
    width: 320px;
    height: 320px;
    background: var(--white);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: var(--shadow-glow);
    animation: float 6s ease-in-out infinite;
}

.hero__logo-circle img {
    width: 70%;
    height: auto;
}

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

@media (max-width: 968px) {
    .hero__inner {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero__description {
        margin-left: auto;
        margin-right: auto;
    }

    .hero__buttons {
        justify-content: center;
    }

    .hero__logo-container {
        order: -1;
    }

    .hero__logo-circle {
        width: 240px;
        height: 240px;
    }
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--button-radius);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn--primary {
    background: var(--gradient-button);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.4);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 107, 53, 0.5);
    color: var(--white);
}

.btn--secondary {
    background: rgba(255, 255, 255, 0.15);
    color: var(--white);
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.btn--secondary:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.5);
    color: var(--white);
}

.btn--outline {
    background: transparent;
    color: var(--secondary-blue);
    border: 2px solid var(--secondary-blue);
}

.btn--outline:hover {
    background: var(--secondary-blue);
    color: var(--white);
}

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

.btn--dark:hover {
    background: var(--charcoal);
    color: var(--white);
}

/* ========================================
   App Cards / Showcase
   ======================================== */
.apps-section {
    padding: 100px 0;
}

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

.section__header h2 {
    margin-bottom: 16px;
}

.section__header p {
    font-size: 1.125rem;
    color: var(--medium-gray);
    max-width: 600px;
    margin: 0 auto;
}

.apps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 32px;
}

.app-card {
    background: var(--white);
    border-radius: var(--card-radius);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
    position: relative;
}

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

.app-card__image {
    height: 200px;
    background: var(--gradient-hero);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.app-card__image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(1px 1px at 20% 30%, rgba(255,255,255,0.5) 0%, transparent 100%),
        radial-gradient(1px 1px at 60% 70%, rgba(255,255,255,0.4) 0%, transparent 100%),
        radial-gradient(1px 1px at 80% 20%, rgba(255,255,255,0.3) 0%, transparent 100%);
}

.app-card__icon {
    width: 100px;
    height: 100px;
    border-radius: 22px;
    box-shadow: var(--shadow-lg);
    position: relative;
    z-index: 1;
}

.app-card__content {
    padding: 28px;
}

.app-card__category {
    display: inline-block;
    background: var(--off-white);
    color: var(--secondary-blue);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 6px 12px;
    border-radius: 50px;
    margin-bottom: 12px;
}

.app-card__title {
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.app-card__tagline {
    color: var(--accent-cyan);
    font-weight: 500;
    margin-bottom: 12px;
}

.app-card__description {
    color: var(--medium-gray);
    font-size: 0.9375rem;
    margin-bottom: 20px;
}

.app-card__features {
    list-style: none;
    margin-bottom: 24px;
}

.app-card__features li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
    color: var(--dark-gray);
    padding: 6px 0;
}

.app-card__features li::before {
    content: '✓';
    color: var(--accent-cyan);
    font-weight: bold;
}

.app-card__actions {
    display: flex;
    gap: 12px;
}

.app-card__actions .btn {
    flex: 1;
    padding: 12px 20px;
    font-size: 0.875rem;
}

/* ========================================
   Features Section
   ======================================== */
.features-section {
    background: var(--off-white);
    padding: 100px 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.feature-card {
    background: var(--white);
    padding: 32px;
    border-radius: var(--card-radius);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.feature-card__icon {
    width: 64px;
    height: 64px;
    background: var(--gradient-hero);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 28px;
}

.feature-card__title {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.feature-card__description {
    color: var(--medium-gray);
    font-size: 0.9375rem;
}

/* ========================================
   App Detail Page
   ======================================== */
.app-hero {
    padding-top: 120px;
    padding-bottom: 80px;
    background: var(--gradient-hero);
    position: relative;
    overflow: hidden;
}

.app-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(2px 2px at 15% 25%, rgba(255,255,255,0.6) 0%, transparent 100%),
        radial-gradient(1px 1px at 45% 65%, rgba(255,255,255,0.5) 0%, transparent 100%),
        radial-gradient(2px 2px at 75% 35%, rgba(255,255,255,0.4) 0%, transparent 100%),
        radial-gradient(1px 1px at 85% 75%, rgba(255,255,255,0.5) 0%, transparent 100%);
    pointer-events: none;
}

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

.app-hero__content {
    color: var(--white);
}

.app-hero__icon {
    width: 120px;
    height: 120px;
    border-radius: 28px;
    box-shadow: var(--shadow-xl);
    margin-bottom: 24px;
}

.app-hero__title {
    font-size: clamp(2rem, 5vw, 3rem);
    margin-bottom: 8px;
    color: var(--white);
}

.app-hero__tagline {
    font-size: 1.25rem;
    opacity: 0.9;
    margin-bottom: 20px;
}

.app-hero__description {
    font-size: 1.0625rem;
    opacity: 0.85;
    margin-bottom: 32px;
    max-width: 500px;
}

.app-hero__buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.app-hero__screenshot {
    display: flex;
    justify-content: center;
}

.app-hero__screenshot img {
    max-height: 500px;
    width: auto;
    border-radius: 24px;
    box-shadow: var(--shadow-xl);
}

@media (max-width: 968px) {
    .app-hero__inner {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .app-hero__icon {
        margin-left: auto;
        margin-right: auto;
    }

    .app-hero__description {
        margin-left: auto;
        margin-right: auto;
    }

    .app-hero__buttons {
        justify-content: center;
    }

    .app-hero__screenshot {
        order: -1;
    }

    .app-hero__screenshot img {
        max-height: 400px;
    }
}

/* ========================================
   App Features Section
   ======================================== */
.app-features {
    padding: 80px 0;
}

.app-features__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.app-feature {
    display: flex;
    gap: 16px;
    padding: 24px;
    background: var(--white);
    border-radius: var(--card-radius);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.app-feature:hover {
    box-shadow: var(--shadow-md);
}

.app-feature__icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background: var(--gradient-hero);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
}

.app-feature__content h4 {
    margin-bottom: 8px;
}

.app-feature__content p {
    color: var(--medium-gray);
    font-size: 0.9375rem;
    margin: 0;
}

/* ========================================
   Screenshots Gallery
   ======================================== */
.screenshots-section {
    background: var(--off-white);
    padding: 80px 0;
    overflow: hidden;
}

.screenshots-scroll {
    display: flex;
    gap: 24px;
    padding: 20px 0;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.screenshots-scroll::-webkit-scrollbar {
    display: none;
}

.screenshot-item {
    flex-shrink: 0;
    scroll-snap-align: center;
}

.screenshot-item img {
    height: 500px;
    width: auto;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
}

/* ========================================
   Privacy Policy Page
   ======================================== */
.privacy-page {
    padding-top: 120px;
    padding-bottom: 80px;
}

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

.privacy-header h1 {
    margin-bottom: 16px;
}

.privacy-header .last-updated {
    color: var(--medium-gray);
    font-size: 0.9375rem;
}

.privacy-content {
    max-width: 800px;
    margin: 0 auto;
}

.privacy-content h2 {
    font-size: 1.5rem;
    margin-top: 40px;
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--light-gray);
}

.privacy-content h3 {
    font-size: 1.125rem;
    margin-top: 24px;
    margin-bottom: 12px;
}

.privacy-content p {
    color: var(--dark-gray);
    margin-bottom: 16px;
}

.privacy-content ul {
    margin-bottom: 16px;
    padding-left: 24px;
}

.privacy-content li {
    margin-bottom: 8px;
    color: var(--dark-gray);
}

.privacy-content strong {
    color: var(--primary-navy);
}

.privacy-content a {
    color: var(--secondary-blue);
}

.privacy-content a:hover {
    text-decoration: underline;
}

/* ========================================
   Contact Section
   ======================================== */
.contact-section {
    background: var(--gradient-hero);
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.contact-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(2px 2px at 10% 20%, rgba(255,255,255,0.5) 0%, transparent 100%),
        radial-gradient(1px 1px at 50% 50%, rgba(255,255,255,0.4) 0%, transparent 100%),
        radial-gradient(2px 2px at 90% 80%, rgba(255,255,255,0.3) 0%, transparent 100%);
    pointer-events: none;
}

.contact-section__inner {
    text-align: center;
    position: relative;
    z-index: 1;
}

.contact-section h2 {
    color: var(--white);
    margin-bottom: 16px;
}

.contact-section p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.125rem;
    max-width: 500px;
    margin: 0 auto 32px;
}

.contact-email {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    padding: 16px 32px;
    border-radius: 50px;
    color: var(--white);
    font-size: 1.125rem;
    font-weight: 500;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all var(--transition-base);
}

.contact-email:hover {
    background: rgba(255, 255, 255, 0.25);
    color: var(--white);
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--charcoal);
    color: rgba(255, 255, 255, 0.7);
    padding: 60px 0 30px;
}

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

.footer__brand {
    max-width: 300px;
}

.footer__logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.footer__logo img {
    height: 40px;
    width: auto;
}

.footer__logo-text {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--white);
}

.footer__description {
    font-size: 0.9375rem;
    line-height: 1.7;
}

.footer__column h4 {
    color: var(--white);
    font-size: 1rem;
    margin-bottom: 20px;
}

.footer__links {
    list-style: none;
}

.footer__links li {
    margin-bottom: 12px;
}

.footer__links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9375rem;
    transition: color var(--transition-fast);
}

.footer__links a:hover {
    color: var(--accent-cyan);
}

.footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.footer__copyright {
    font-size: 0.875rem;
}

@media (max-width: 968px) {
    .footer__inner {
        grid-template-columns: 1fr 1fr;
    }

    .footer__brand {
        grid-column: span 2;
    }
}

@media (max-width: 576px) {
    .footer__inner {
        grid-template-columns: 1fr;
    }

    .footer__brand {
        grid-column: span 1;
    }

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

/* ========================================
   404 Page
   ======================================== */
.error-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 40px 20px;
}

.error-page__content h1 {
    font-size: 8rem;
    color: var(--secondary-blue);
    line-height: 1;
    margin-bottom: 16px;
}

.error-page__content h2 {
    font-size: 2rem;
    margin-bottom: 16px;
}

.error-page__content p {
    color: var(--medium-gray);
    font-size: 1.125rem;
    margin-bottom: 32px;
}

/* ========================================
   Utility Classes
   ======================================== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.my-4 { margin-top: 1rem; margin-bottom: 1rem; }
.my-8 { margin-top: 2rem; margin-bottom: 2rem; }

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ========================================
   Stats Section
   ======================================== */
.stats-section {
    padding: 80px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    text-align: center;
}

.stat-item {
    position: relative;
}

.stat-number {
    display: block;
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    font-family: var(--font-heading);
    color: var(--white);
    margin-bottom: 8px;
}

.stat-label {
    font-size: 1rem;
    opacity: 0.8;
    text-transform: uppercase;
    letter-spacing: 1px;
}

@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   CTA Section
   ======================================== */
.cta-section {
    padding: 100px 0;
    background: var(--off-white);
}

.cta-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.cta-content h2 {
    margin-bottom: 16px;
}

.cta-content p {
    font-size: 1.125rem;
    color: var(--medium-gray);
    margin-bottom: 32px;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn--large {
    padding: 16px 32px;
    font-size: 1.0625rem;
}

/* ========================================
   Animations
   ======================================== */
[data-animate] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-animate="fade-right"] {
    transform: translateX(-30px);
}

[data-animate="fade-left"] {
    transform: translateX(30px);
}

[data-animate="fade-up"] {
    transform: translateY(30px);
}

[data-animate="zoom-in"] {
    transform: scale(0.9);
}

[data-animate].animate-in {
    opacity: 1;
    transform: translate(0) scale(1);
}

/* Staggered delays */
[data-delay="100"] { transition-delay: 100ms; }
[data-delay="200"] { transition-delay: 200ms; }
[data-delay="300"] { transition-delay: 300ms; }
[data-delay="400"] { transition-delay: 400ms; }
[data-delay="500"] { transition-delay: 500ms; }

/* Particle animation container */
.hero__particles {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    overflow: hidden;
}

/* Floating animation for cards */
@keyframes subtle-float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

.app-card:hover {
    animation: subtle-float 3s ease-in-out infinite;
}

/* Glow pulse animation */
@keyframes glow-pulse {
    0%, 100% { box-shadow: 0 0 20px rgba(0, 188, 212, 0.3); }
    50% { box-shadow: 0 0 40px rgba(0, 188, 212, 0.5); }
}

.hero__logo-circle {
    animation: float 6s ease-in-out infinite, glow-pulse 4s ease-in-out infinite;
}

/* Button hover animations */
.btn {
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.4s ease, height 0.4s ease;
}

.btn:hover::after {
    width: 300px;
    height: 300px;
}

/* Card gradient overlay animation */
.app-card__image::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}

.app-card:hover .app-card__image::after {
    left: 100%;
}

/* Icon bounce on hover */
.feature-card:hover .feature-card__icon {
    animation: icon-bounce 0.5s ease;
}

@keyframes icon-bounce {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* Smooth link underline animation */
.footer__links a {
    position: relative;
}

.footer__links a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-cyan);
    transition: width 0.3s ease;
}

.footer__links a:hover::after {
    width: 100%;
}

/* Loading animation */
@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

.loading {
    background: linear-gradient(90deg, var(--light-gray) 25%, var(--off-white) 50%, var(--light-gray) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

/* Typing cursor animation for hero */
.hero__title span {
    position: relative;
}

/* Gradient text animation */
@keyframes gradient-shift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.hero__title span {
    background: linear-gradient(135deg, var(--accent-orange), #ffd700, var(--accent-orange-light), var(--accent-orange));
    background-size: 300% 300%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradient-shift 4s ease infinite;
}

/* Scroll indicator */
.scroll-indicator {
    position: absolute;
    bottom: 100px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
}

.scroll-indicator__mouse {
    width: 24px;
    height: 40px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 12px;
    position: relative;
}

.scroll-indicator__wheel {
    width: 4px;
    height: 8px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll-wheel 2s ease-in-out infinite;
}

@keyframes scroll-wheel {
    0%, 100% { opacity: 1; top: 8px; }
    50% { opacity: 0.5; top: 20px; }
}

/* About page styles */
.about-page {
    padding-top: 120px;
    padding-bottom: 80px;
}

.about-hero {
    text-align: center;
    margin-bottom: 60px;
}

.about-hero h1 {
    margin-bottom: 20px;
}

.about-hero p {
    font-size: 1.25rem;
    color: var(--medium-gray);
    max-width: 700px;
    margin: 0 auto;
}

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

.about-image {
    display: flex;
    justify-content: center;
}

.about-image img {
    max-width: 400px;
    border-radius: var(--card-radius);
    box-shadow: var(--shadow-xl);
}

.about-text h2 {
    margin-bottom: 20px;
}

.about-text p {
    color: var(--dark-gray);
    margin-bottom: 16px;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
    margin-top: 60px;
}

.value-card {
    background: var(--white);
    padding: 32px;
    border-radius: var(--card-radius);
    box-shadow: var(--shadow-md);
    border-left: 4px solid var(--secondary-blue);
}

.value-card h3 {
    margin-bottom: 12px;
    font-size: 1.125rem;
}

.value-card p {
    color: var(--medium-gray);
    font-size: 0.9375rem;
    margin: 0;
}

@media (max-width: 768px) {
    .about-content {
        grid-template-columns: 1fr;
    }

    .about-image {
        order: -1;
    }
}

/* Contact page styles */
.contact-page {
    padding-top: 120px;
    padding-bottom: 80px;
}

.contact-hero {
    text-align: center;
    margin-bottom: 60px;
}

.contact-hero h1 {
    margin-bottom: 16px;
}

.contact-hero p {
    font-size: 1.125rem;
    color: var(--medium-gray);
    max-width: 500px;
    margin: 0 auto;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
    max-width: 900px;
    margin: 0 auto;
}

.contact-card {
    background: var(--white);
    padding: 40px 32px;
    border-radius: var(--card-radius);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all var(--transition-base);
}

.contact-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.contact-card__icon {
    width: 64px;
    height: 64px;
    background: var(--gradient-hero);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.contact-card__icon svg {
    width: 28px;
    height: 28px;
    fill: white;
}

.contact-card h3 {
    margin-bottom: 12px;
}

.contact-card p {
    color: var(--medium-gray);
    margin-bottom: 16px;
}

.contact-card a {
    font-weight: 500;
    color: var(--secondary-blue);
}

/* Google Fonts Import */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Poppins:wght@500;600;700&display=swap');