/* ============================================
   LS GLOBAL TECNOLOGIA - Premium Tech Website Styles
   Modern, Elegant & Professional Design
   ============================================ */

/* ============================================
   CSS Variables & Design Tokens
   ============================================ */
:root {
    /* Colors - Dark Elegant Theme */
    --color-bg-primary: #0a0a0f;
    --color-bg-secondary: #12121a;
    --color-bg-tertiary: #1a1a25;
    --color-bg-card: rgba(26, 26, 37, 0.6);

    /* Accent Colors */
    --color-primary: #6366f1;
    --color-primary-light: #818cf8;
    --color-secondary: #06b6d4;
    --color-secondary-light: #22d3ee;
    --color-accent: #8b5cf6;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #06b6d4 100%);
    --gradient-secondary: linear-gradient(135deg, #8b5cf6 0%, #06b6d4 100%);
    --gradient-dark: linear-gradient(180deg, #0a0a0f 0%, #12121a 100%);
    --gradient-radial: radial-gradient(circle at 50% 50%, rgba(99, 102, 241, 0.15) 0%, transparent 50%);

    /* Text Colors */
    --color-text-primary: #ffffff;
    --color-text-secondary: #a1a1aa;
    --color-text-muted: #71717a;

    /* Glass Effect */
    --glass-bg: rgba(26, 26, 37, 0.7);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Space Grotesk', sans-serif;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
    --transition-smooth: 500ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Z-Index Scale */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal: 400;
    --z-tooltip: 500;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

body.no-scroll {
    overflow: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-base);
}

ul, ol {
    list-style: none;
}

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

input, textarea, select {
    font-family: inherit;
    font-size: inherit;
}

/* ============================================
   Utility Classes
   ============================================ */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.section {
    padding: var(--space-4xl) 0;
    position: relative;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--glass-shadow);
}

/* ============================================
   Preloader
   ============================================ */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.loader-ring {
    width: 80px;
    height: 80px;
    border: 3px solid transparent;
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.loader-ring::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 8px;
    right: 8px;
    bottom: 8px;
    border: 3px solid transparent;
    border-top-color: var(--color-secondary);
    border-radius: 50%;
    animation: spin 0.8s linear reverse infinite;
}

.loader-text {
    position: absolute;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 0.875rem;
    letter-spacing: 2px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ============================================
   Custom Cursor
   ============================================ */
.cursor,
.cursor-follower {
    display: none;
    position: fixed;
    pointer-events: none;
    z-index: 9999;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: transform var(--transition-fast);
}

@media (hover: hover) and (pointer: fine) {
    .cursor,
    .cursor-follower {
        display: block;
    }

    .cursor {
        width: 8px;
        height: 8px;
        background: var(--color-primary);
    }

    .cursor-follower {
        width: 32px;
        height: 32px;
        border: 1px solid var(--color-primary);
        transition: transform var(--transition-base), width var(--transition-base), height var(--transition-base);
    }

    .cursor-follower.hover {
        width: 48px;
        height: 48px;
        background: rgba(99, 102, 241, 0.1);
    }
}

/* ============================================
   Header & Navigation
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: var(--z-fixed);
    padding: var(--space-md) 0;
    transition: all var(--transition-smooth);
}

.header.scrolled {
    background: rgba(10, 10, 15, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    padding: var(--space-sm) 0;
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--color-text-primary);
}

.nav-logo .logo-icon {
    width: 40px;
    height: 40px;
}

.logo-img {
    height: 44px;
    width: auto;
    transition: all var(--transition-base);
}

.nav-logo:hover .logo-img {
    filter: drop-shadow(0 0 12px rgba(99, 102, 241, 0.6));
    transform: scale(1.02);
}

/* Globe Animation */
.globe-container {
    width: 38px;
    height: 38px;
    perspective: 100px;
    flex-shrink: 0;
}

.globe {
    width: 100%;
    height: 100%;
    position: relative;
    transform-style: preserve-3d;
    animation: globe-rotate 8s linear infinite;
}

.globe-sphere {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 2px solid var(--color-primary);
    background: radial-gradient(circle at 30% 30%, rgba(99, 102, 241, 0.2), transparent 60%);
    box-shadow:
        inset -5px -5px 15px rgba(6, 182, 212, 0.3),
        0 0 20px rgba(99, 102, 241, 0.3);
}

.globe-meridian {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 1.5px solid transparent;
    border-left-color: var(--color-secondary);
    border-right-color: var(--color-secondary);
    transform: rotateY(0deg);
}

.globe-meridian.m2 {
    transform: rotateY(60deg);
    border-left-color: var(--color-primary-light);
    border-right-color: var(--color-primary-light);
}

.globe-meridian.m3 {
    transform: rotateY(-60deg);
    border-left-color: var(--color-accent);
    border-right-color: var(--color-accent);
}

.globe-equator {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 100%;
    border-radius: 50%;
    border: 1.5px solid var(--color-secondary);
    transform: translateY(-50%) rotateX(90deg);
    opacity: 0.7;
}

.globe-equator.e2 {
    transform: translateY(-50%) rotateX(90deg) rotateY(30deg) scale(0.7);
    border-color: var(--color-primary-light);
}

@keyframes globe-rotate {
    from {
        transform: rotateY(0deg) rotateX(-15deg);
    }
    to {
        transform: rotateY(360deg) rotateX(-15deg);
    }
}

.nav-logo:hover .globe {
    animation-duration: 3s;
}

.nav-logo:hover .globe-sphere {
    box-shadow:
        inset -5px -5px 15px rgba(6, 182, 212, 0.5),
        0 0 30px rgba(99, 102, 241, 0.5);
}

/* Footer globe */
.footer-logo .globe-container {
    width: 34px;
    height: 34px;
}

.footer-logo:hover .globe {
    animation-duration: 3s;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav-link {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    position: relative;
    padding: var(--space-sm) 0;
    transition: color var(--transition-base);
}

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

.nav-link:hover,
.nav-link.active {
    color: var(--color-text-primary);
}

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

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

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-sm);
    z-index: var(--z-modal);
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    transition: all var(--transition-base);
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 0.875rem 1.5rem;
    font-weight: 600;
    font-size: 0.9375rem;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--color-text-primary);
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.35);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.45);
}

.btn-outline {
    background: transparent;
    color: var(--color-text-primary);
    border: 1px solid var(--glass-border);
}

.btn-outline:hover {
    background: var(--glass-bg);
    border-color: var(--color-primary);
}

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

.btn-full {
    width: 100%;
}

.btn-nav {
    padding: 0.75rem 1.25rem;
}

.btn svg {
    transition: transform var(--transition-base);
}

.btn:hover svg {
    transform: translateX(3px);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: var(--space-4xl) 0;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.hero-gradient {
    position: absolute;
    top: -50%;
    left: 50%;
    transform: translateX(-50%);
    width: 150%;
    height: 150%;
    background: radial-gradient(circle at 50% 30%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 80% 50%, rgba(6, 182, 212, 0.1) 0%, transparent 40%),
                radial-gradient(circle at 20% 60%, rgba(139, 92, 246, 0.1) 0%, transparent 40%);
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(circle at 50% 50%, black 20%, transparent 70%);
    -webkit-mask-image: radial-gradient(circle at 50% 50%, black 20%, transparent 70%);
}

.hero-particles {
    position: absolute;
    inset: 0;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--color-primary);
    border-radius: 50%;
    opacity: 0.5;
    animation: float 8s infinite ease-in-out;
}

@keyframes float {
    0%, 100% { transform: translateY(0) translateX(0); }
    25% { transform: translateY(-20px) translateX(10px); }
    50% { transform: translateY(-10px) translateX(-10px); }
    75% { transform: translateY(-30px) translateX(5px); }
}

.hero-content {
    position: relative;
    text-align: center;
    max-width: 900px;
    z-index: 2;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xl);
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--color-secondary);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-lg);
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--color-text-secondary);
    max-width: 680px;
    margin: 0 auto var(--space-2xl);
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-md);
    margin-bottom: var(--space-3xl);
}

.hero-stats {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-2xl);
    flex-wrap: wrap;
}

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

.stat-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-suffix {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    display: block;
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-top: var(--space-xs);
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--glass-border);
}

.hero-scroll {
    position: absolute;
    bottom: var(--space-2xl);
    left: 50%;
    transform: translateX(-50%);
}

.scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-text-muted);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: var(--glass-border);
    position: relative;
    overflow: hidden;
}

.scroll-dot {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 3px;
    height: 10px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    animation: scroll-down 1.5s infinite;
}

@keyframes scroll-down {
    0% { top: 0; opacity: 0; }
    30% { opacity: 1; }
    100% { top: 100%; opacity: 0; }
}

/* ============================================
   Section Headers
   ============================================ */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-3xl);
}

.section-tag {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-primary-light);
    margin-bottom: var(--space-md);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--space-md);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ============================================
   About Section
   ============================================ */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4xl);
    align-items: center;
}

.about-content .section-tag {
    margin-bottom: var(--space-md);
}

.about-content .section-title {
    text-align: left;
    margin-bottom: var(--space-lg);
}

.about-text {
    font-size: 1.0625rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-md);
    line-height: 1.8;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
    margin: var(--space-xl) 0;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 500;
}

.feature-icon {
    width: 24px;
    height: 24px;
    color: var(--color-secondary);
}

.feature-icon svg {
    width: 100%;
    height: 100%;
}

.about-visual {
    position: relative;
}

.about-card {
    position: relative;
    padding: var(--space-2xl);
    overflow: hidden;
}

.card-decoration {
    position: absolute;
    top: -20px;
    right: -20px;
    display: flex;
    gap: var(--space-sm);
}

.deco-circle {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: var(--gradient-primary);
    opacity: 0.1;
}

.deco-circle:nth-child(2) {
    width: 60px;
    height: 60px;
    opacity: 0.2;
}

.deco-circle:nth-child(3) {
    width: 30px;
    height: 30px;
    opacity: 0.3;
}

.about-image {
    position: relative;
    z-index: 1;
}

.image-placeholder {
    width: 100%;
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-placeholder svg {
    width: 80%;
    height: 80%;
    animation: rotate-slow 20s linear infinite;
}

@keyframes rotate-slow {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.floating-badge {
    position: absolute;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: var(--color-bg-secondary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: 0.875rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    animation: float-badge 3s ease-in-out infinite;
}

.badge-top {
    top: 10%;
    right: -10%;
}

.badge-bottom {
    bottom: 15%;
    left: -5%;
    animation-delay: 1.5s;
}

@keyframes float-badge {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.badge-icon {
    font-size: 1.25rem;
}

/* ============================================
   Services Section
   ============================================ */
.services {
    overflow: hidden;
}

.services-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.services-gradient {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 150%;
    height: 100%;
    background: radial-gradient(circle at 30% 50%, rgba(99, 102, 241, 0.08) 0%, transparent 40%),
                radial-gradient(circle at 70% 50%, rgba(6, 182, 212, 0.06) 0%, transparent 40%);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
}

.service-card {
    position: relative;
    padding: var(--space-xl);
    transition: all var(--transition-smooth);
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition-smooth);
    pointer-events: none;
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: rgba(99, 102, 241, 0.3);
}

.service-card:hover::before {
    opacity: 0.05;
}

.service-card.featured {
    border-color: rgba(99, 102, 241, 0.3);
}

.service-card.featured::before {
    opacity: 0.03;
}

.featured-badge {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    padding: var(--space-xs) var(--space-sm);
    background: var(--gradient-primary);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
}

.service-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(99, 102, 241, 0.1);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-lg);
    color: var(--color-primary-light);
    transition: all var(--transition-base);
}

.service-card:hover .service-icon {
    background: var(--gradient-primary);
    color: white;
}

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

.service-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.service-description {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-lg);
}

.service-features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.service-features li {
    padding: var(--space-xs) var(--space-sm);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-sm);
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 500;
    color: var(--color-primary-light);
    transition: all var(--transition-base);
    position: relative;
    z-index: 2;
}

.service-link:hover {
    color: var(--color-secondary-light);
}

.service-link svg {
    transition: transform var(--transition-base);
}

.service-link:hover svg {
    transform: translateX(4px);
}

/* ============================================
   Differentials Section
   ============================================ */
.differentials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.differential-card {
    position: relative;
    padding: var(--space-xl);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    transition: all var(--transition-smooth);
    overflow: hidden;
}

.differential-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-smooth);
}

.differential-card:hover {
    transform: translateY(-5px);
    border-color: rgba(99, 102, 241, 0.2);
}

.differential-card:hover::before {
    transform: scaleX(1);
}

.differential-number {
    position: absolute;
    top: var(--space-lg);
    right: var(--space-lg);
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    color: rgba(99, 102, 241, 0.1);
    line-height: 1;
}

.differential-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(99, 102, 241, 0.1);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-lg);
    color: var(--color-primary-light);
}

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

.differential-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.differential-text {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ============================================
   Testimonials Section
   ============================================ */
.testimonials {
    overflow: hidden;
}

.testimonials-bg {
    position: absolute;
    inset: 0;
}

.testimonials-gradient {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, transparent 0%, rgba(99, 102, 241, 0.03) 50%, transparent 100%);
}

.testimonials-slider {
    position: relative;
    overflow: hidden;
    padding: 0 var(--space-2xl);
}

.testimonials-track {
    display: flex;
    gap: var(--space-lg);
    transition: transform var(--transition-smooth);
}

.testimonial-card {
    flex: 0 0 calc(33.333% - var(--space-md));
    padding: var(--space-xl);
    transition: all var(--transition-smooth);
}

.testimonial-card:hover {
    transform: translateY(-5px);
}

.testimonial-rating {
    display: flex;
    gap: var(--space-xs);
    margin-bottom: var(--space-md);
}

.testimonial-rating svg {
    width: 18px;
    height: 18px;
    color: #fbbf24;
}

.testimonial-quote {
    font-size: 1.0625rem;
    font-style: italic;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--space-lg);
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.author-avatar {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: 50%;
    font-weight: 600;
    font-size: 0.875rem;
}

.author-info {
    display: flex;
    flex-direction: column;
}

.author-info strong {
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.author-info span {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.testimonials-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-lg);
    margin-top: var(--space-2xl);
}

.nav-btn {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    color: var(--color-text-secondary);
    transition: all var(--transition-base);
}

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

.nav-btn svg {
    width: 20px;
    height: 20px;
}

.testimonials-dots {
    display: flex;
    gap: var(--space-sm);
}

.dot {
    width: 8px;
    height: 8px;
    background: var(--glass-border);
    border-radius: 50%;
    cursor: pointer;
    transition: all var(--transition-base);
}

.dot.active {
    width: 24px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
}

/* ============================================
   CTA Section
   ============================================ */
.cta {
    overflow: hidden;
}

.cta-bg {
    position: absolute;
    inset: 0;
}

.cta-gradient {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 150%;
    height: 100%;
    background: radial-gradient(circle at 50% 0%, rgba(99, 102, 241, 0.15) 0%, transparent 50%);
}

.cta-pattern {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 40px 40px;
    mask-image: radial-gradient(circle at 50% 50%, black 30%, transparent 70%);
    -webkit-mask-image: radial-gradient(circle at 50% 50%, black 30%, transparent 70%);
}

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

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

.cta-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--space-2xl);
}

.cta-form {
    padding: var(--space-2xl);
    text-align: left;
    margin-bottom: var(--space-xl);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

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

.form-group.full {
    grid-column: span 2;
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: var(--space-md);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    transition: all var(--transition-base);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-text-muted);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23a1a1aa' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--space-md) center;
}

.form-group select option {
    background: var(--color-bg-secondary);
}

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

.cta-contact-info {
    display: flex;
    justify-content: center;
    gap: var(--space-2xl);
    flex-wrap: wrap;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-text-secondary);
    transition: color var(--transition-base);
}

.contact-item:hover {
    color: var(--color-primary-light);
}

.contact-item svg {
    width: 20px;
    height: 20px;
}

/* ============================================
   Footer
   ============================================ */
.footer {
    padding: var(--space-4xl) 0 var(--space-xl);
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--glass-border);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-2xl);
    margin-bottom: var(--space-3xl);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.5rem;
    margin-bottom: var(--space-md);
}

.footer-logo .logo-icon {
    width: 36px;
    height: 36px;
}

.logo-img-footer {
    height: 40px;
    width: auto;
    transition: all var(--transition-base);
}

.footer-logo:hover .logo-img-footer {
    filter: drop-shadow(0 0 12px rgba(99, 102, 241, 0.6));
    transform: scale(1.02);
}

.footer-description {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-lg);
    max-width: 300px;
}

.footer-social {
    display: flex;
    gap: var(--space-sm);
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    transition: all var(--transition-base);
}

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

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

.footer-links h4 {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--space-lg);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-links a {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    transition: color var(--transition-base);
}

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

.contact-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
}

.contact-list svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    margin-top: 2px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-xl);
    border-top: 1px solid var(--glass-border);
}

.footer-bottom p {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.footer-legal {
    display: flex;
    gap: var(--space-lg);
}

.footer-legal a {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    transition: color var(--transition-base);
}

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

/* ============================================
   Back to Top
   ============================================ */
.back-to-top {
    position: fixed;
    bottom: var(--space-xl);
    right: var(--space-xl);
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: 50%;
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-base);
    z-index: var(--z-fixed);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.5);
}

.back-to-top svg {
    width: 20px;
    height: 20px;
}

/* ============================================
   Animations (AOS-like)
   ============================================ */
[data-aos] {
    opacity: 0;
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

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

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

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

[data-aos].aos-animate {
    opacity: 1;
    transform: translateY(0) translateX(0);
}

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

/* Tablet Landscape */
@media (max-width: 1200px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .differentials-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .testimonial-card {
        flex: 0 0 calc(50% - var(--space-sm));
    }
}

/* Tablet Portrait */
@media (max-width: 992px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
    }

    .about-content .section-title {
        text-align: center;
    }

    .about-content {
        text-align: center;
    }

    .about-features {
        max-width: 400px;
        margin: var(--space-xl) auto;
    }

    .about-content .btn {
        margin: 0 auto;
    }

    .about-visual {
        max-width: 500px;
        margin: 0 auto;
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Mobile Landscape */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        flex-direction: column;
        justify-content: center;
        background: var(--color-bg-primary);
        transition: right var(--transition-smooth);
        z-index: var(--z-fixed);
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-link {
        font-size: 1.5rem;
    }

    .nav-toggle {
        display: flex;
    }

    .btn-nav {
        display: none;
    }

    .hero-stats {
        gap: var(--space-lg);
    }

    .stat-divider {
        display: none;
    }

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

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

    .testimonial-card {
        flex: 0 0 100%;
    }

    .testimonials-slider {
        padding: 0;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .form-group.full {
        grid-column: span 1;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-description {
        max-width: 100%;
    }

    .footer-social {
        justify-content: center;
    }

    .footer-links ul {
        align-items: center;
    }

    .contact-list li {
        justify-content: center;
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--space-md);
        text-align: center;
    }

    .cta-contact-info {
        flex-direction: column;
        gap: var(--space-md);
    }
}

/* Mobile Portrait */
@media (max-width: 480px) {
    :root {
        --space-4xl: 4rem;
    }

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

    .section-title {
        font-size: 1.75rem;
    }

    .hero-cta {
        flex-direction: column;
        align-items: stretch;
    }

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

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

    .cta-form {
        padding: var(--space-lg);
    }

    .back-to-top {
        right: var(--space-md);
        bottom: var(--space-md);
        width: 40px;
        height: 40px;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }
}

/* Print Styles */
@media print {
    .header,
    .hero-bg,
    .hero-scroll,
    .back-to-top,
    .preloader {
        display: none;
    }

    body {
        background: white;
        color: black;
    }

    .section {
        padding: 2rem 0;
    }
}
