/* ===========================
   RESET & VARIABLES
   =========================== */

:root {
    --color-primary: #FF8C42;
    --color-primary-dark: #E67E2E;
    --color-secondary: #1c222f;
    --color-accent: #667eea;
    --color-bg: #0f1419;
    --color-bg-alt: #1a1f2e;
    --color-text: #e0e0e0;
    --color-text-light: #a0a0a0;
    --color-border: #2a2f3f;
    --color-error: #e74c3c;
    --color-success: #27ae60;

    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;

    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;

    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s ease;

    --shadow-sm: 0 1px 2px 0 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);

    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3.5rem;

    --line-height-tight: 1.2;
    --line-height-normal: 1.5;
    --line-height-loose: 1.8;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===========================
   TYPOGRAPHY
   =========================== */

h1, h2, h3, h4, h5, h6 {
    line-height: var(--line-height-tight);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

h1 { font-size: var(--font-size-5xl); }
h2 { font-size: var(--font-size-4xl); }
h3 { font-size: var(--font-size-3xl); }
h4 { font-size: var(--font-size-2xl); }
h5 { font-size: var(--font-size-xl); }
h6 { font-size: var(--font-size-lg); }

p {
    margin-bottom: var(--spacing-md);
}

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

a:hover {
    color: var(--color-primary-dark);
}

/* ===========================
   CONTAINER & SECTIONS
   =========================== */

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

main {
    overflow-x: hidden;
}

section {
    padding: var(--spacing-3xl) 0;
}

section:nth-child(odd) {
    background-color: var(--color-bg);
}

section:nth-child(even) {
    background-color: var(--color-bg-alt);
}

.section-title {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-2xl);
    max-width: 600px;
}

.text-center {
    text-align: center;
    margin-left: auto;
    margin-right: auto;
}

.highlight {
    color: var(--color-primary);
}

/* ===========================
   BUTTONS
   =========================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-base);
    font-weight: 600;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
    gap: var(--spacing-xs);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
    background-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-secondary:hover:not(:disabled) {
    background-color: rgba(255, 140, 66, 0.1);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: var(--font-size-lg);
}

.btn-block {
    display: flex;
    width: 100%;
}

/* ===========================
   HEADER & NAVIGATION
   =========================== */

.header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 0 0 0 rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

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

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) 0;
    max-width: 1200px;
    margin: 0 auto;
    padding-left: var(--spacing-lg);
    padding-right: var(--spacing-lg);
    gap: var(--spacing-xl);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    transition: var(--transition);
}

.logo-img {
    width: 150px;
    height: 50px;
    object-fit: contain;
}

.logo-text {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-secondary);
}

.nav-desktop {
    flex: 1;
    display: flex;
    justify-content: center;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: var(--spacing-xl);
}

.nav-link {
    color: var(--color-text);
    font-weight: 500;
    font-size: var(--font-size-sm);
    position: relative;
    padding-bottom: 2px;
}

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

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

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

.hamburger {
    width: 24px;
    height: 2px;
    background-color: var(--color-secondary);
    border-radius: 2px;
    transition: var(--transition);
}

.hamburger::before,
.hamburger::after {
    content: '';
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-secondary);
    border-radius: 2px;
    transition: var(--transition);
}

.nav-toggle[aria-expanded="true"] .hamburger {
    transform: rotate(45deg) translateY(10px);
}

.nav-toggle[aria-expanded="true"] .hamburger::before {
    opacity: 0;
}

.nav-toggle[aria-expanded="true"] .hamburger::after {
    transform: rotate(-90deg) translateX(9px);
}

.nav-mobile {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: white;
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-md) 0;
    box-shadow: var(--shadow-lg);
}

.nav-list-mobile {
    list-style: none;
    display: flex;
    flex-direction: column;
}

.nav-list-mobile .nav-link {
    display: block;
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.nav-cta {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-sm);
}

/* ===========================
   HERO SECTION
   =========================== */

.hero {
    padding: calc(var(--spacing-3xl) + var(--spacing-2xl)) 0 var(--spacing-3xl);
    background: linear-gradient(135deg, rgba(255, 140, 66, 0.1) 0%, rgba(102, 126, 234, 0.05) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(255, 140, 66, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    50% { transform: translate(-50px, 50px) rotate(180deg); }
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    animation: slideInLeft 0.8s ease-out;
    position: relative;
    z-index: 5;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: rgba(255, 140, 66, 0.1);
    border: 1px solid rgba(255, 140, 66, 0.3);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 50px;
    width: fit-content;
    animation: slideDown 0.6s ease-out 0.2s both;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.badge-icon {
    font-size: var(--font-size-lg);
}

.badge-text {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-primary);
}

.hero-title {
    font-size: var(--font-size-5xl);
    line-height: var(--line-height-tight);
    font-weight: 700;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.title-line {
    display: block;
    animation: slideDown 0.6s ease-out 0.4s both;
}

.title-highlight {
    display: inline-block;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: slideDown 0.6s ease-out 0.6s both;
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
    line-height: var(--line-height-loose);
    animation: slideDown 0.6s ease-out 0.8s both;
}

.hero-stats {
    display: flex;
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-md);
    animation: slideDown 0.6s ease-out 1s both;
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.stat-number {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.hero-actions {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    animation: slideDown 0.6s ease-out 1.2s both;
    position: relative;
    z-index: 10;
}

.hero-video {
    display: flex;
    align-items: center;
    justify-content: center;
    animation: slideInRight 0.8s ease-out 0.4s both;
    position: relative;
    z-index: 1;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.video-container {
    width: 100%;
    aspect-ratio: 16 / 9;
    border-radius: var(--radius-xl);
    overflow: hidden;
    position: relative;
    box-shadow: var(--shadow-xl);
    transition: var(--transition);
}

.video-container:hover {
    transform: translateY(-4px);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
    border-radius: var(--radius-xl);
}

/* ===========================
   ABOUT SECTION
   =========================== */

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.about-text {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.benefits-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.benefit-item {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.benefit-icon {
    color: var(--color-primary);
    font-size: var(--font-size-2xl);
    font-weight: 700;
    flex-shrink: 0;
}

.benefit-text {
    color: var(--color-text-light);
    line-height: var(--line-height-loose);
}

.about-image {
    position: relative;
}

.image-stack {
    position: relative;
    width: 100%;
    display: grid;
}

.image-stack .image-showcase {
    grid-area: 1 / 1;
}

.image-showcase {
    width: 100%;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    transition: var(--transition);
}

.image-primary {
    position: relative;
    z-index: 2;
}

.image-secondary {
    position: relative;
    width: 100%;
    z-index: 0;
    opacity: 0.75;
    pointer-events: none;
    transform: translate(16%, 18%) rotate(-2deg);
    box-shadow: var(--shadow-lg);
    outline: 2px solid rgba(255, 255, 255, 0.12);
}

.image-showcase:hover {
    transform: scale(1.02);
}

/* ===========================
   MODULES SECTION
   =========================== */

.modules {
    background-color: var(--color-secondary);
    color: white;
}

.modules .section-title,
.modules .section-subtitle {
    color: white;
}

.modules .section-subtitle {
    color: rgba(255, 255, 255, 0.7);
}

.modules-carousel {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
}

.modules-viewport {
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
    width: 100%;
    scrollbar-width: none;
    padding-top: var(--spacing-sm);
    padding-bottom: var(--spacing-sm);
}

.modules-viewport::-webkit-scrollbar {
    height: 0;
}

.modules-track {
    display: flex;
    gap: var(--spacing-2xl);
    will-change: scroll-position;
}

.modules-slide {
    flex: 0 0 100%;
    scroll-snap-align: start;
}

.modules-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
}

.modules-nav {
    background: none;
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    font-size: var(--font-size-lg);
}

.modules-nav:hover:not(:disabled) {
    background-color: rgba(255, 140, 66, 0.2);
    border-color: var(--color-primary);
}

.modules-nav:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.modules-indicators {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

.modules-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.modules-indicator.active {
    background-color: var(--color-primary);
    width: 24px;
    border-radius: 4px;
}

.module-card {
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.module-card:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 140, 66, 0.5);
    transform: translateY(-8px);
}

.module-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.module-title {
    font-size: var(--font-size-2xl);
    margin: 0;
}

.module-badge {
    background-color: var(--color-primary);
    color: white;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.module-description {
    color: rgba(255, 255, 255, 0.8);
    line-height: var(--line-height-loose);
    margin-bottom: var(--spacing-lg);
}

/* ===========================
   CAROUSEL
   =========================== */

.carousel {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.carousel-viewport {
    overflow: hidden;
    border-radius: var(--radius-lg);
    background-color: rgba(0, 0, 0, 0.2);
    aspect-ratio: 16 / 9;
}

.carousel-track {
    display: flex;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    height: 100%;
}

.carousel-slide {
    flex: 0 0 100%;
    height: 100%;
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.carousel-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
}

.carousel-btn {
    background: none;
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    font-size: var(--font-size-lg);
}

.carousel-btn:hover:not(:disabled) {
    background-color: rgba(255, 140, 66, 0.2);
    border-color: var(--color-primary);
}

.carousel-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.carousel-indicators {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

.carousel-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: var(--transition);
}

.carousel-indicator.active {
    background-color: var(--color-primary);
    width: 24px;
    border-radius: 4px;
}

/* ===========================
   FEATURES SECTION
   =========================== */

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-2xl);
}

.feature-card {
    background-color: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    text-align: center;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

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

.feature-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    margin: 0 auto;
    border-radius: 16px;
    background-color: rgba(255, 140, 66, 0.12);
    color: var(--color-primary);
}

.feature-icon svg {
    width: 28px;
    height: 28px;
}

.feature-title {
    font-size: var(--font-size-xl);
    margin: 0;
}

.feature-description {
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
    margin: 0;
    line-height: var(--line-height-loose);
}

/* ===========================
   TRACKING CTA SECTION
   =========================== */

.tracking-cta {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, rgba(255, 140, 66, 0.95) 0%, rgba(255, 111, 66, 0.95) 100%);
    position: relative;
    overflow: hidden;
}

.tracking-cta::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: float 15s ease-in-out infinite;
}

.tracking-cta-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-2xl);
    position: relative;
    z-index: 1;
}

.tracking-cta-icon {
    margin: 0 auto var(--spacing-lg);
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    backdrop-filter: blur(10px);
}

.tracking-cta-icon svg {
    width: 40px;
    height: 40px;
    color: white;
}

.tracking-cta-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: white;
    margin-bottom: var(--spacing-xl);
    line-height: var(--line-height-tight);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.tracking-cta-btn {
    background: white;
    color: var(--color-primary);
    font-weight: 700;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.tracking-cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
    background: white;
    color: var(--color-primary);
}

/* ===========================
   PRICING SECTION
   =========================== */

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-2xl);
    margin-top: var(--spacing-2xl);
    align-items: start;
}

.pricing-card {
    background-color: white;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    transition: var(--transition);
    position: relative;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.pricing-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-xl);
}

.pricing-card-featured {
    border-color: var(--color-primary);
    transform: scale(1.05);
    box-shadow: var(--shadow-xl);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--color-primary);
    color: white;
    padding: var(--spacing-xs) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 600;
    white-space: nowrap;
}

.pricing-header {
    text-align: center;
}

.pricing-name {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-sm);
}

.pricing-description {
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
    margin: 0;
}

.pricing-value {
    text-align: center;
    padding: var(--spacing-lg) 0;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.pricing-currency {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

.pricing-amount {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--color-text);
}

.pricing-period {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin-top: var(--spacing-sm);
}

.pricing-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    flex: 1;
}

.pricing-features li {
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
    line-height: var(--line-height-loose);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

/* ===========================
   CLIENTS SECTION
   =========================== */

.clients {
    position: relative;
    background-color: var(--color-secondary);
    color: #ffffff;
}

.clients .section-title,
.clients .section-subtitle {
    color: #ffffff;
}

.clients .section-subtitle {
    color: rgba(255, 255, 255, 0.7);
}

.clients-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-3xl);
}

.client-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #f9fafc;
    border: 1px solid #eceff5;
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    transition: var(--transition);
    min-height: 120px;
    box-shadow: 0 14px 24px rgba(10, 16, 28, 0.35);
}

.client-logo:hover {
    border-color: var(--color-primary);
    box-shadow: 0 18px 34px rgba(10, 16, 28, 0.45);
    transform: scale(1.05);
}

.client-logo img {
    max-width: 100%;
    max-height: 60px;
    object-fit: contain;
}

.testimonial {
    background-color: linear-gradient(135deg, rgba(255, 140, 66, 0.1) 0%, rgba(102, 126, 234, 0.1) 100%);
    border-left: 4px solid var(--color-primary);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.testimonial-quote {
    font-size: var(--font-size-lg);
    font-style: italic;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
    line-height: var(--line-height-loose);
}

.testimonial-author {
    color: var(--color-text-light);
    font-weight: 600;
    margin: 0;
}

/* ===========================
   BLOG SECTION
   =========================== */

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.blog-card {
    background-color: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

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

.blog-image {
    width: 100%;
    aspect-ratio: 16 / 9;
    background-size: cover;
    background-position: center;
}

.blog-content {
    padding: var(--spacing-2xl);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    flex: 1;
}

.blog-category {
    font-size: var(--font-size-xs);
    font-weight: 700;
    text-transform: uppercase;
    color: var(--color-primary);
    margin: 0;
}

.blog-title {
    font-size: var(--font-size-xl);
    margin: 0;
    line-height: var(--line-height-tight);
}

.blog-excerpt {
    color: var(--color-text-light);
    font-size: var(--font-size-sm);
    margin: 0;
    flex: 1;
}

.blog-link {
    color: var(--color-primary);
    font-weight: 600;
    font-size: var(--font-size-sm);
    display: inline-block;
}

.blog-cta {
    text-align: center;
}

/* ===========================
   CONTACT SECTION
   =========================== */

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
}

.contact-form-wrapper {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-label {
    font-weight: 600;
    color: var(--color-text);
    font-size: var(--font-size-sm);
}

.form-input {
    padding: var(--spacing-md);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: var(--font-size-base);
    transition: var(--transition);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(255, 140, 66, 0.1);
}

.form-input.error {
    border-color: var(--color-error);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

.form-error {
    font-size: var(--font-size-xs);
    color: var(--color-error);
    min-height: 1.2rem;
    display: block;
}

.form-feedback {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    text-align: center;
    display: none;
    font-weight: 600;
}

.form-feedback.success {
    display: block;
    background-color: rgba(39, 174, 96, 0.1);
    color: var(--color-success);
}

.form-feedback.error {
    display: block;
    background-color: rgba(231, 76, 60, 0.1);
    color: var(--color-error);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2xl);
}

.contact-heading {
    font-size: var(--font-size-2xl);
    margin: 0;
}

.contact-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.contact-label {
    font-weight: 700;
    color: var(--color-text);
    font-size: var(--font-size-sm);
    margin: 0;
    text-transform: uppercase;
}

.contact-detail {
    color: var(--color-text-light);
    margin: 0;
    line-height: var(--line-height-loose);
}

.contact-link {
    color: var(--color-primary);
    font-weight: 500;
    text-decoration: none;
}

.contact-channel {
    font-size: var(--font-size-xs);
    color: var(--color-text-light);
    font-weight: normal;
}

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

.social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background-color: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    font-weight: 700;
    transition: var(--transition);
    text-decoration: none;
}

.social-link svg {
    width: 18px;
    height: 18px;
}

.social-link:hover {
    background-color: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

/* ===========================
   FOOTER
   =========================== */

.footer {
    background-color: var(--color-secondary);
    color: white;
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
    padding-bottom: var(--spacing-2xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-section {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.footer-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin: 0;
}

.footer-text {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--font-size-sm);
    margin: 0;
    line-height: var(--line-height-loose);
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--font-size-sm);
    transition: var(--transition);
}

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

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

.footer-copyright {
    color: rgba(255, 255, 255, 0.5);
    font-size: var(--font-size-sm);
    margin: 0;
}

/* ===========================
   IMAGE LIGHTBOX
   =========================== */

.lightbox {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease;
}

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

.lightbox[hidden] {
    display: none;
}

.lightbox-backdrop {
    position: absolute;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
}

.lightbox-content {
    position: relative;
    z-index: 1;
    max-width: 90vw;
    max-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-image {
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
    border-radius: var(--radius-lg);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    animation: zoomIn 0.3s ease;
}

@keyframes zoomIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.lightbox-close {
    position: absolute;
    top: -50px;
    right: 0;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: white;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    font-size: 2rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.lightbox-close:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
    transform: rotate(90deg);
}

.lightbox-prev,
.lightbox-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: white;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-prev:hover,
.lightbox-next:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
}

.lightbox-prev {
    left: -80px;
}

.lightbox-next {
    right: -80px;
}

.lightbox-caption {
    position: absolute;
    bottom: -50px;
    left: 0;
    right: 0;
    color: white;
    text-align: center;
    font-size: var(--font-size-lg);
    padding: var(--spacing-md);
}

/* Make carousel images clickable */
.carousel-slide img {
    cursor: pointer;
    transition: var(--transition);
}

.carousel-slide img:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-xl);
}

/* ===========================
   RESPONSIVE DESIGN
   =========================== */

@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
    }

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

    .modules-slide {
        flex: 0 0 100%;
    }

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

    .pricing-card-featured {
        transform: scale(1);
    }
}

@media (min-width: 1025px) {
    .modules-slide {
        flex: 0 0 calc(50% - (var(--spacing-2xl) / 2));
    }
}

@media (max-width: 768px) {
    :root {
        --font-size-5xl: 2.5rem;
        --font-size-4xl: 2rem;
        --font-size-3xl: 1.5rem;
        --spacing-3xl: 3rem;
    }

    section {
        padding: var(--spacing-2xl) 0;
    }

    .header-container {
        gap: var(--spacing-md);
    }

    .nav-desktop {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-cta {
        display: none;
    }

    .hero-title {
        font-size: var(--font-size-4xl);
    }

    .hero-actions {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .hero-actions .btn {
        width: 100%;
    }

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

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

    .section-subtitle {
        font-size: var(--font-size-base);
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-2xl: 2rem;
        --spacing-lg: 1rem;
    }

    .container {
        padding: 0 var(--spacing-md);
    }

    .header-container {
        padding-left: var(--spacing-md);
        padding-right: var(--spacing-md);
    }

    .hero-title {
        font-size: var(--font-size-3xl);
    }

    .hero-subtitle {
        font-size: var(--font-size-base);
    }

    .section-title {
        font-size: var(--font-size-3xl);
    }

    .feature-icon {
        width: 48px;
        height: 48px;
    }

    .tracking-cta-content {
        padding: var(--spacing-lg);
    }

    .tracking-cta-title {
        font-size: var(--font-size-2xl);
    }

    .tracking-cta-icon {
        width: 60px;
        height: 60px;
    }

    .tracking-cta-icon svg {
        width: 32px;
        height: 32px;
    }

    .feature-icon svg {
        width: 24px;
        height: 24px;
    }

    .clients-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }

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

    .social-links {
        gap: var(--spacing-sm);
    }

    .social-link {
        width: 40px;
        height: 40px;
        font-size: var(--font-size-sm);
    }
}

/* ===========================
   ACCESSIBILITY
   =========================== */

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

.header {
    background-color: rgba(15, 20, 25, 0.95);
}

.feature-card,
.blog-card {
    background-color: #1a1f2e;
    border-color: #2a2f3f;
}

.client-logo {
    background-color: #1a1f2e;
    border-color: #2a2f3f;
}

.form-input {
    background-color: #1a1f2e;
    color: #e0e0e0;
    border-color: #2a2f3f;
}

.pricing-card {
    background-color: #1a1f2e;
    border-color: #2a2f3f;
}

/* ===========================
   UTILITY CLASSES
   =========================== */

.hidden {
    display: none !important;
}

[hidden] {
    display: none !important;
}

@supports (display: flex) {
    .flex {
        display: flex;
    }
}