/* ================================
   Reset & Base Styles
   ================================ */

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

:root {
    /* Color Palette */
    --color-white: #ffffff;
    --color-off-white: #f9f9f9;
    --color-light-gray: #f2f2f2;
    --color-dark: #59606d;
    --color-accent: #59606d;

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

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.5rem;
    --font-size-2xl: 2rem;
    --font-size-3xl: 3rem;
    --font-size-4xl: 4rem;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

html {
    scroll-behavior: smooth;
}

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

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

/* ================================
   Navigation
   ================================ */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: transparent;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid transparent;
    z-index: 1000;
    transition: all var(--transition-base);
}

.nav.scrolled {
    background-color: rgba(255, 255, 255, 0.98);
    border-bottom: 1px solid var(--color-light-gray);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

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

.logo-container {
    position: relative;
}

.nav-logo {
    height: 40px;
    width: auto;
    transition: opacity var(--transition-base), transform var(--transition-base);
}

.nav-logo-dark {
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0;
}

.nav.scrolled .nav-logo-white {
    opacity: 0;
}

.nav.scrolled .nav-logo-dark {
    opacity: 1;
}

.nav-logo:hover {
    transform: scale(1.05);
}

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

.nav-link {
    color: rgba(255, 255, 255, 0.95);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    transition: color var(--transition-base);
}

.nav.scrolled .nav-link {
    color: var(--color-dark);
}

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

.nav.scrolled .nav-link::after {
    background-color: var(--color-accent);
}

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

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

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

/* Always Light Navigation (for project pages) */
.nav-always-light {
    background-color: rgba(255, 255, 255, 0.98);
    border-bottom: 1px solid var(--color-light-gray);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.nav-always-light .nav-link {
    color: var(--color-dark);
}

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

.nav-always-light .nav-link::after {
    background-color: var(--color-accent);
}

/* ================================
   Hero Section
   ================================ */

.hero {
    min-height: auto;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    position: relative;
    background: linear-gradient(135deg, #59606d 0%, #4a515c 50%, #3d434d 100%);
    padding-top: 100px;
    padding-bottom: var(--spacing-xl);
}

.hero-gradient {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: linear-gradient(to bottom, transparent, var(--color-white));
    pointer-events: none;
}

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

.hero-content {
    animation: fadeInUp 1s ease;
}

.logo-main {
    margin-bottom: var(--spacing-md);
}

.hero-logo {
    height: 300px;
    width: auto;
    animation: fadeIn 1.5s ease;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 5rem);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, var(--font-size-xl));
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: var(--spacing-lg);
    font-weight: 400;
}

.hero-cta {
    margin-top: var(--spacing-lg);
}

/* ================================
   Buttons
   ================================ */

.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    font-size: var(--font-size-base);
    font-weight: 600;
    text-decoration: none;
    border-radius: 50px;
    transition: all var(--transition-base);
    cursor: pointer;
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background-color: transparent;
    border-color: var(--color-white);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(255, 255, 255, 0.2);
}

.btn-secondary {
    background-color: transparent;
    border-color: var(--color-dark);
    color: var(--color-dark);
}

.btn-secondary:hover {
    background-color: var(--color-dark);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(89, 96, 109, 0.2);
}

/* ================================
   Section Styles
   ================================ */

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

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-title {
    font-size: clamp(2rem, 4vw, var(--font-size-3xl));
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: var(--spacing-sm);
}

.title-underline {
    width: 80px;
    height: 4px;
    background-color: var(--color-accent);
    margin: 0 auto;
    border-radius: 2px;
}

/* ================================
   About Section
   ================================ */

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

.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-text {
    font-size: var(--font-size-lg);
    line-height: 1.8;
    color: var(--color-dark);
    margin-bottom: var(--spacing-md);
    opacity: 0.9;
}

/* ================================
   Portfolio Section
   ================================ */

.portfolio-section {
    background-color: var(--color-light-gray);
}

.portfolio-item {
    margin-bottom: var(--spacing-xl);
}

.portfolio-item:last-child {
    margin-bottom: 0;
}

.portfolio-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.portfolio-item-reverse .portfolio-content {
    direction: rtl;
}

.portfolio-item-reverse .portfolio-info,
.portfolio-item-reverse .portfolio-visual {
    direction: ltr;
}

.portfolio-info .section-header {
    text-align: left;
    margin-bottom: var(--spacing-md);
}

.portfolio-info .title-underline {
    margin: 0;
}

.portfolio-title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: var(--spacing-sm);
}

.portfolio-title-link {
    color: var(--color-dark);
    text-decoration: none;
    transition: color var(--transition-base);
}

.portfolio-title-link:hover {
    color: var(--color-accent);
}

.portfolio-tagline {
    font-size: var(--font-size-base);
    color: var(--color-accent);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.portfolio-description {
    font-size: var(--font-size-base);
    line-height: 1.8;
    color: var(--color-dark);
    margin-bottom: var(--spacing-lg);
    opacity: 0.9;
}

.badge-live {
    background-color: #10b981;
}

.badge-link {
    background-color: transparent;
    border: 2px solid var(--color-dark);
    color: var(--color-dark);
    text-decoration: none;
    transition: all var(--transition-base);
}

.badge-link:hover {
    background-color: var(--color-dark);
    color: var(--color-white);
    transform: translateY(-2px);
}

/* Browser Mockup */
.portfolio-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.browser-mockup {
    width: 100%;
    max-width: 500px;
    background-color: var(--color-white);
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(89, 96, 109, 0.3);
    overflow: hidden;
}

.browser-mockup-portrait {
    max-width: 350px;
}

.browser-mockup-portrait .browser-screen {
    height: 550px;
}

.browser-bar {
    height: 40px;
    background-color: var(--color-light-gray);
    display: flex;
    align-items: center;
    padding: 0 var(--spacing-sm);
    border-bottom: 1px solid #ddd;
}

.browser-dots {
    display: flex;
    gap: 8px;
}

.browser-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: #ddd;
}

.browser-dots span:nth-child(1) {
    background-color: #ff5f57;
}

.browser-dots span:nth-child(2) {
    background-color: #ffbd2e;
}

.browser-dots span:nth-child(3) {
    background-color: #28ca42;
}

.browser-screen {
    width: 100%;
    height: 400px;
    background-color: #f5f5f5;
    position: relative;
    overflow: hidden;
}

/* Carousel Styles */
.carousel {
    width: 100%;
    height: 100%;
    position: relative;
}

.carousel-track {
    width: 100%;
    height: 100%;
    position: relative;
}

.carousel-slide {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0;
    transition: opacity 0.6s ease-in-out;
}

.carousel-slide.active {
    opacity: 1;
    z-index: 1;
}

.carousel-dots {
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

.carousel-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all var(--transition-base);
    border: 2px solid rgba(89, 96, 109, 0.3);
}

.carousel-dot:hover {
    background-color: rgba(255, 255, 255, 0.8);
    transform: scale(1.2);
}

.carousel-dot.active {
    background-color: var(--color-dark);
    border-color: var(--color-dark);
}

/* ================================
   SplitterUp Section (Legacy)
   ================================ */

.splitterup-section {
    background-color: var(--color-light-gray);
}

.splitterup-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.splitterup-info .section-header {
    text-align: left;
}

.splitterup-info .title-underline {
    margin: 0;
}

.splitterup-tagline {
    font-size: var(--font-size-lg);
    color: var(--color-accent);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.splitterup-description {
    font-size: var(--font-size-base);
    line-height: 1.8;
    color: var(--color-dark);
    margin-bottom: var(--spacing-lg);
    opacity: 0.9;
}

.feature-list {
    margin-bottom: var(--spacing-lg);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.feature-icon {
    width: 24px;
    height: 24px;
    background-color: var(--color-dark);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    flex-shrink: 0;
}

.app-badges {
    display: flex;
    gap: var(--spacing-sm);
}

.badge {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background-color: var(--color-dark);
    color: var(--color-white);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
}

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

.phone-mockup {
    position: relative;
}

.phone-frame {
    width: 280px;
    height: 560px;
    background-color: var(--color-dark);
    border-radius: 40px;
    padding: 12px;
    box-shadow: 0 20px 60px rgba(89, 96, 109, 0.3);
    position: relative;
}

.phone-frame::before {
    content: '';
    position: absolute;
    top: 12px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background-color: rgba(255, 255, 255, 0.3);
    border-radius: 2px;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background-image: url('assets/splitter-up-dash.png');
    background-size: cover;
    background-position: center;
    border-radius: 32px;
    position: relative;
    overflow: hidden;
}

/* ================================
   Contact Section
   ================================ */

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

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

.contact-text {
    font-size: var(--font-size-lg);
    color: var(--color-dark);
    margin-bottom: var(--spacing-lg);
    opacity: 0.9;
}

/* ================================
   Footer
   ================================ */

.footer {
    background-color: var(--color-dark);
    color: var(--color-white);
    padding: var(--spacing-lg) 0;
}

.footer-container {
    text-align: center;
}

.footer-logo {
    margin-bottom: var(--spacing-md);
}

.footer-logo-img {
    height: 60px;
    width: auto;
    opacity: 0.9;
}

.footer-text {
    font-size: 0.875rem;
    opacity: 0.7;
}

/* ================================
   Animations
   ================================ */

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

/* ================================
   Responsive Design
   ================================ */

@media (max-width: 768px) {
    .nav-links {
        gap: var(--spacing-sm);
    }

    .nav-link {
        font-size: 0.875rem;
    }

    .hero {
        padding-top: 80px;
        padding-bottom: var(--spacing-lg);
    }

    .hero-logo {
        height: 200px;
    }

    .portfolio-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .portfolio-item-reverse .portfolio-content {
        direction: ltr;
    }

    .portfolio-visual {
        order: -1;
    }

    .browser-screen {
        height: 300px;
    }

    .splitterup-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .splitterup-visual {
        order: -1;
    }

    .phone-frame {
        width: 240px;
        height: 480px;
    }

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

    .splitterup-info .section-header {
        text-align: center;
    }

    .splitterup-info .title-underline {
        margin: 0 auto;
    }
}

@media (max-width: 480px) {
    .nav-container {
        flex-direction: column;
        gap: var(--spacing-sm);
        padding: var(--spacing-sm);
    }

    .hero-cta {
        margin-top: var(--spacing-md);
    }

    .btn {
        padding: 0.875rem 2rem;
        font-size: 0.9rem;
    }
}

/* ================================
   Project Pages
   ================================ */

.project-hero {
    background: linear-gradient(135deg, #59606d 0%, #4a515c 50%, #3d434d 100%);
    padding: 120px 0 var(--spacing-xl);
    margin-top: 60px;
}

.project-hero-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    color: var(--color-white);
}

.project-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.project-subtitle {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.7);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

.project-description {
    font-size: var(--font-size-lg);
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-lg);
}

.project-badges {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

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

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.feature-card {
    background-color: var(--color-off-white);
    padding: var(--spacing-md);
    border-radius: 12px;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(89, 96, 109, 0.12);
}

.feature-card-icon {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
}

.feature-card-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: 0.5rem;
}

.feature-card-description {
    font-size: var(--font-size-sm);
    line-height: 1.5;
    color: var(--color-dark);
    opacity: 0.8;
}

.screenshots-section {
    background-color: var(--color-light-gray);
}

.screenshots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-lg);
}

.screenshots-grid-web {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-lg);
}

.screenshot-item,
.screenshot-item-web {
    text-align: center;
}

.screenshot-item-web .browser-mockup {
    max-width: 100%;
}

.screenshot-item-web .browser-screen {
    height: 400px;
    background-color: #f5f5f5;
}

.screenshot-caption {
    margin-top: var(--spacing-md);
    font-size: var(--font-size-base);
    color: var(--color-dark);
    font-weight: 500;
}

.screenshot-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 400px;
    background-color: var(--color-off-white);
    border-radius: 12px;
    border: 2px dashed var(--color-accent);
    color: var(--color-accent);
    font-size: var(--font-size-lg);
    font-weight: 500;
}

.tech-stack {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.tech-category {
    background-color: var(--color-off-white);
    padding: var(--spacing-lg);
    border-radius: 12px;
}

.tech-category-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: var(--spacing-md);
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.tech-tag {
    display: inline-block;
    padding: 0.5rem 1rem;
    background-color: var(--color-white);
    color: var(--color-dark);
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid var(--color-light-gray);
}

.cta-section {
    background: linear-gradient(135deg, #59606d 0%, #4a515c 50%, #3d434d 100%);
    color: var(--color-white);
}

.cta-content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.cta-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.cta-description {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-lg);
    opacity: 0.9;
}

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

/* ================================
   Enhanced Project Pages
   ================================ */

/* Enhanced Hero */
.project-hero-enhanced {
    background: linear-gradient(135deg, #59606d 0%, #4a515c 100%);
    padding: 140px 0 80px;
    margin-top: 60px;
}

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

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background-color: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.9);
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.hero-title-large {
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 800;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
    line-height: 1.1;
    letter-spacing: -2px;
}

.hero-subtitle-large {
    font-size: clamp(1.25rem, 2.5vw, 1.75rem);
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: var(--spacing-md);
    line-height: 1.4;
    font-weight: 600;
}

.hero-description {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.stat-item {
    text-align: left;
}

.stat-number {
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    font-weight: 800;
    color: var(--color-white);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.3;
}

.hero-actions {
    margin-top: var(--spacing-lg);
}

.badge-large {
    padding: 1rem 2rem;
    font-size: var(--font-size-base);
}

/* Phone Showcase */
.phone-showcase {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.phone-mockup-large {
    position: relative;
    z-index: 2;
}

.phone-frame-large {
    width: 320px;
    height: 640px;
    background-color: #1a1a1a;
    border-radius: 45px;
    padding: 14px;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.4);
    position: relative;
}

.phone-frame-large::before {
    content: '';
    position: absolute;
    top: 14px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 5px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 3px;
}

.phone-screen-large {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    border-radius: 35px;
    overflow: hidden;
}

.showcase-accent {
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1;
    border-radius: 50%;
}

/* Overview Section */
.overview-section {
    background-color: var(--color-white);
    padding: var(--spacing-xl) 0;
}

.overview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.overview-card {
    background: linear-gradient(135deg, var(--color-off-white) 0%, var(--color-light-gray) 100%);
    padding: var(--spacing-md);
    border-radius: 12px;
    text-align: center;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.overview-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(89, 96, 109, 0.12);
}

.overview-icon {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
}

.overview-card h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: 0.4rem;
}

.overview-card p {
    font-size: var(--font-size-sm);
    color: var(--color-dark);
    opacity: 0.7;
}

/* Feature Showcase */
.feature-showcase {
    background-color: var(--color-light-gray);
    padding: var(--spacing-xl) 0;
}

.feature-deep-dive {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-xl);
    background-color: var(--color-white);
    border-radius: 20px;
}

.feature-deep-dive:last-child {
    margin-bottom: 0;
}

.feature-reverse {
    direction: rtl;
}

.feature-reverse .feature-content {
    direction: ltr;
}

.feature-label {
    display: inline-block;
    padding: 0.5rem 1rem;
    background-color: rgba(89, 96, 109, 0.1);
    color: var(--color-accent);
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.feature-title {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.feature-description {
    font-size: var(--font-size-lg);
    color: var(--color-dark);
    opacity: 0.8;
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.feature-benefits {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--spacing-md) 0;
}

.feature-benefits li {
    padding-left: 1.5rem;
    margin-bottom: 0.75rem;
    position: relative;
    color: var(--color-dark);
    opacity: 0.9;
}

.feature-benefits li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #10b981;
    font-weight: 700;
}

.feature-tech-note {
    padding: var(--spacing-md);
    background-color: var(--color-off-white);
    border-left: 4px solid var(--color-accent);
    border-radius: 8px;
    font-size: 0.95rem;
    color: var(--color-dark);
    opacity: 0.9;
}

.feature-card-visual {
    background: linear-gradient(135deg, var(--color-light-gray) 0%, var(--color-off-white) 100%);
    border-radius: 16px;
    padding: var(--spacing-lg);
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.visual-placeholder {
    text-align: center;
    color: var(--color-accent);
    font-weight: 600;
    opacity: 0.5;
}

/* Tech Section Enhanced */
.tech-section-enhanced {
    background-color: var(--color-white);
    padding: var(--spacing-xl) 0;
}

.section-description {
    text-align: center;
    font-size: var(--font-size-lg);
    color: var(--color-dark);
    opacity: 0.7;
    margin-top: var(--spacing-sm);
}

.tech-grid-enhanced {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.tech-category-enhanced {
    background: linear-gradient(135deg, var(--color-off-white) 0%, var(--color-light-gray) 100%);
    padding: var(--spacing-lg);
    border-radius: 16px;
}

.tech-category-enhanced h3 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: var(--spacing-md);
}

.tech-items {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.tech-item {
    padding: 0.625rem 1.25rem;
    background-color: var(--color-white);
    color: var(--color-dark);
    border-radius: 25px;
    font-size: 0.875rem;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(89, 96, 109, 0.08);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.tech-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(89, 96, 109, 0.15);
}

.tech-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 2px solid var(--color-light-gray);
}

.tech-stat {
    text-align: center;
}

.tech-stat-number {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    color: var(--color-dark);
    margin-bottom: 0.5rem;
}

.tech-stat-label {
    font-size: var(--font-size-base);
    color: var(--color-dark);
    opacity: 0.6;
}

/* CTA Section Enhanced */
.cta-section-enhanced {
    background: linear-gradient(135deg, #59606d 0%, #3d434d 100%);
    color: var(--color-white);
    padding: var(--spacing-xl) 0;
}

.cta-content-enhanced {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.cta-title-large {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    letter-spacing: -1px;
}

.cta-description-large {
    font-size: clamp(1.125rem, 2vw, 1.5rem);
    margin-bottom: var(--spacing-lg);
    opacity: 0.9;
    line-height: 1.6;
}

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

.btn-primary-large,
.btn-secondary-large {
    padding: 1.25rem 3rem;
    font-size: 1.125rem;
    font-weight: 700;
}

.cta-footnote {
    font-size: 0.95rem;
    opacity: 0.7;
    font-style: italic;
}

/* Responsive */
@media (max-width: 968px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .hero-visual {
        order: -1;
    }

    .hero-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-sm);
    }

    .feature-deep-dive,
    .feature-reverse {
        grid-template-columns: 1fr;
        direction: ltr;
    }

    .tech-grid-enhanced {
        grid-template-columns: 1fr;
    }

    .tech-stats {
        grid-template-columns: 1fr;
    }
}

/* ================================
   Utility Classes
   ================================ */

.fade-in {
    animation: fadeIn 1s ease;
}

.fade-in-up {
    animation: fadeInUp 1s ease;
}