/* ============================================
   CodeLink - Premium Portfolio Styles
   Modern Dark Mode with Glassmorphism
   ============================================ */

/* CSS Variables */
:root {
    /* Colors */
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-tertiary: #1a1a2e;
    --bg-card: rgba(26, 26, 46, 0.8);
    --bg-glass: rgba(255, 255, 255, 0.05);
    
    /* Accent Colors */
    --blue-primary: #3b82f6;
    --blue-secondary: #6366f1;
    --blue-glow: rgba(59, 130, 246, 0.5);
    --blue-light: #60a5fa;
    --blue-dark: #1d4ed8;
    
    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #3b82f6 0%, #6366f1 100%);
    --gradient-glow: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 50%, #6366f1 100%);
    --gradient-text: linear-gradient(135deg, #60a5fa 0%, #a78bfa 100%);
    
    /* Borders */
    --border-glass: rgba(255, 255, 255, 0.1);
    --border-glow: rgba(59, 130, 246, 0.3);
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px rgba(59, 130, 246, 0.15);
    
    /* Spacing */
    --container-max: 1200px;
    --section-padding: 100px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

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

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Container */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }

p {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.7;
}

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

/* Gradient Text */
.gradient-text {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ============================================
   Navigation
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-glass);
    padding: 12px 0;
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 800;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}

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

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

.nav-menu a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
    position: relative;
}

.nav-menu a:hover {
    color: var(--text-primary);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-normal);
}

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

.nav-cta {
    background: var(--gradient-primary);
    padding: 10px 24px !important;
    border-radius: var(--radius-md);
    color: var(--text-primary) !important;
    font-weight: 600;
    transition: all var(--transition-normal);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px var(--blue-glow);
}

.nav-cta::after {
    display: none !important;
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-normal);
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 32px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--text-primary);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px var(--blue-glow);
}

.btn-glow {
    animation: glow-pulse 2s ease-in-out infinite;
}

@keyframes glow-pulse {
    0%, 100% { box-shadow: 0 0 20px var(--blue-glow); }
    50% { box-shadow: 0 0 40px var(--blue-glow), 0 0 60px rgba(59, 130, 246, 0.2); }
}

.btn-secondary {
    background: var(--bg-glass);
    color: var(--text-primary);
    border: 1px solid var(--border-glass);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--border-glow);
    transform: translateY(-3px);
}

.btn-large {
    padding: 18px 40px;
    font-size: 1.1rem;
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 80px;
    overflow: hidden;
}

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

.hero-video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translate(-50%, -50%);
    object-fit: cover;
    opacity: 0.7;
    filter: brightness(0.7) saturate(1);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, 
        rgba(10, 10, 15, 0.4) 0%, 
        rgba(10, 10, 15, 0.3) 50%, 
        rgba(10, 10, 15, 0.5) 100%
    );
    z-index: 1;
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(59, 130, 246, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(59, 130, 246, 0.05) 1px, transparent 1px);
    background-size: 60px 60px;
    animation: grid-move 20s linear infinite;
    z-index: 2;
}

@keyframes grid-move {
    0% { transform: translate(0, 0); }
    100% { transform: translate(60px, 60px); }
}

.hero-glow {
    position: absolute;
    top: -30%;
    right: -10%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.15) 0%, transparent 70%);
    animation: glow-float 8s ease-in-out infinite;
}

@keyframes glow-float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(-30px, 20px) scale(1.1); }
}

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

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

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: var(--bg-glass);
    border: 1px solid var(--border-glow);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--blue-light);
    margin-bottom: 24px;
    backdrop-filter: blur(10px);
}

.hero-badge i {
    font-size: 0.8rem;
}

.hero-title {
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 36px;
    max-width: 520px;
}

.hero-cta {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: 40px;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 4px;
}

/* Hero Visual */
.hero-visual {
    position: relative;
    perspective: 1000px;
}

.code-window {
    background: var(--bg-secondary);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    transform: rotateY(-5deg) rotateX(5deg);
    transition: transform var(--transition-slow);
}

.code-window:hover {
    transform: rotateY(0) rotateX(0);
}

.window-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid var(--border-glass);
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.dot.red { background: #ff5f56; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #27c93f; }

.window-header .title {
    margin-left: auto;
    font-size: 0.8rem;
    color: var(--text-muted);
    font-family: 'SF Mono', 'Fira Code', monospace;
}

.window-content {
    padding: 24px;
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 0.9rem;
    line-height: 1.8;
    overflow-x: auto;
}

.window-content code {
    color: var(--text-secondary);
}

.code-keyword { color: #c792ea; }
.code-function { color: #82aaff; }
.code-param { color: #f07178; }
.code-property { color: #f78c6c; }
.code-number { color: #f78c6c; }
.code-boolean { color: #c792ea; }
.code-string { color: #c3e88d; }
.code-comment { color: #546e7a; font-style: italic; }

/* Floating Cards */
.floating-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    font-weight: 600;
    white-space: nowrap;
    animation: float 3s ease-in-out infinite;
}

.floating-card i {
    color: var(--blue-light);
    font-size: 1.1rem;
}

.card-1 {
    top: -20px;
    right: -40px;
    animation-delay: 0s;
}

.card-2 {
    top: 50%;
    right: -60px;
    animation-delay: 1s;
}

.card-3 {
    bottom: -20px;
    left: -40px;
    animation-delay: 2s;
}

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

/* ============================================
   Section Styles
   ============================================ */
section {
    padding: var(--section-padding) 0;
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-badge {
    display: inline-block;
    padding: 6px 16px;
    background: var(--bg-glass);
    border: 1px solid var(--border-glow);
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--blue-light);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 16px;
}

.section-title {
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

/* ============================================
   Services Section
   ============================================ */
.services {
    background: var(--bg-secondary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

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

.service-card:hover::before {
    opacity: 1;
}

.service-icon {
    width: 64px;
    height: 64px;
    background: var(--bg-glass);
    border: 1px solid var(--border-glow);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--blue-light);
    margin-bottom: 20px;
    transition: all var(--transition-normal);
}

.service-card:hover .service-icon {
    background: var(--gradient-primary);
    border-color: transparent;
    transform: scale(1.1);
}

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

.service-card p {
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.service-features {
    list-style: none;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.service-features i {
    color: var(--blue-light);
    font-size: 0.8rem;
}

/* ============================================
   Benefits Section
   ============================================ */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.benefit-card {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 40px;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    position: relative;
    overflow: hidden;
    transition: all var(--transition-normal);
}

.benefit-card:hover {
    border-color: var(--border-glow);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.benefit-number {
    position: absolute;
    top: 20px;
    right: 24px;
    font-size: 3rem;
    font-weight: 900;
    color: rgba(59, 130, 246, 0.1);
    line-height: 1;
}

.benefit-icon {
    width: 56px;
    height: 56px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    margin-bottom: 20px;
}

.benefit-card h3 {
    margin-bottom: 12px;
    font-size: 1.3rem;
}

.benefit-card p {
    font-size: 0.95rem;
}

/* ============================================
   Testimonials Section
   ============================================ */
.testimonials {
    background: var(--bg-secondary);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.testimonial-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: all var(--transition-normal);
}

.testimonial-card:hover {
    border-color: var(--border-glow);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.testimonial-stars {
    display: flex;
    gap: 4px;
    margin-bottom: 16px;
}

.testimonial-stars i {
    color: #fbbf24;
    font-size: 0.9rem;
}

.testimonial-text {
    font-size: 0.95rem;
    font-style: italic;
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.8;
}

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

.author-avatar {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.author-info h4 {
    font-size: 1rem;
    margin-bottom: 2px;
}

.author-info span {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.testimonial-result {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: rgba(59, 130, 246, 0.1);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--blue-light);
}

.testimonial-result i {
    font-size: 0.8rem;
}

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

.about-text .section-badge {
    margin-bottom: 16px;
}

.about-text .section-title {
    text-align: left;
    margin-bottom: 20px;
}

.about-text p {
    margin-bottom: 16px;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-top: 24px;
}

.about-feature {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.about-feature i {
    color: var(--blue-light);
    font-size: 1.1rem;
}

.about-visual {
    position: relative;
}

.about-image {
    position: relative;
    width: 100%;
    height: 400px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.about-certificate {
    position: relative;
    z-index: 1;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.tech-pattern {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(59, 130, 246, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(99, 102, 241, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 50% 80%, rgba(139, 92, 246, 0.2) 0%, transparent 50%);
}

.about-stats {
    position: absolute;
    bottom: 30px;
    left: 30px;
    right: 30px;
    display: flex;
    gap: 24px;
}

.about-stat {
    flex: 1;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    padding: 20px;
    text-align: center;
}

.about-stat .stat-number {
    font-size: 2rem;
    display: block;
    margin-bottom: 4px;
}

.about-stat .stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ============================================
   CTA Section
   ============================================ */
.cta {
    position: relative;
    overflow: hidden;
    text-align: center;
}

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

.cta-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(59, 130, 246, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(59, 130, 246, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
}

.cta-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.15) 0%, transparent 70%);
}

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

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

.cta-content h2 {
    margin-bottom: 20px;
}

.cta-content p {
    font-size: 1.1rem;
    margin-bottom: 32px;
}

.cta-buttons {
    margin-bottom: 24px;
}

.cta-urgency {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.cta-urgency i {
    color: var(--blue-light);
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-glass);
    padding: 60px 0 24px;
}

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

.footer-brand .logo {
    margin-bottom: 16px;
}

.footer-brand p {
    font-size: 0.95rem;
}

.footer h4 {
    font-size: 1rem;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.footer ul {
    list-style: none;
}

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

.footer a {
    font-size: 0.95rem;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 8px;
}

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

.footer a i {
    font-size: 0.8rem;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 24px;
    border-top: 1px solid var(--border-glass);
}

.footer-bottom p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.footer-bottom i {
    color: #ef4444;
    font-size: 0.8rem;
}

/* ============================================
   WhatsApp Floating Button
   ============================================ */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 999;
    width: 60px;
    height: 60px;
    background: #25d366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: white;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    transition: all var(--transition-normal);
    animation: whatsapp-pulse 2s ease-in-out infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.6);
}

@keyframes whatsapp-pulse {
    0%, 100% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4); }
    50% { box-shadow: 0 4px 30px rgba(37, 211, 102, 0.6), 0 0 0 10px rgba(37, 211, 102, 0.1); }
}

.whatsapp-tooltip {
    position: absolute;
    right: 70px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    font-weight: 500;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    border: 1px solid var(--border-glass);
}

.whatsapp-tooltip::after {
    content: '';
    position: absolute;
    top: 50%;
    right: -6px;
    transform: translateY(-50%);
    border: 6px solid transparent;
    border-left-color: var(--border-glass);
}

.whatsapp-float:hover .whatsapp-tooltip {
    opacity: 1;
    visibility: visible;
    right: 75px;
}

/* ============================================
   Animations
   ============================================ */
.animate-fade-in {
    opacity: 0;
    animation: fadeIn 0.8s ease forwards;
}

.animate-fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease forwards;
}

.animate-float {
    animation: floatHero 4s ease-in-out infinite;
}

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

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

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

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }

/* Scroll Reveal */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

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

    .hero-cta {
        justify-content: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-visual {
        display: none;
    }

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

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

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

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

    .about-features {
        justify-content: center;
    }

    .about-visual {
        order: -1;
    }

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

@media (max-width: 768px) {
    :root {
        --section-padding: 60px;
    }

    .navbar {
        padding: 12px 0;
    }

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

    .nav-menu {
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        background: rgba(10, 10, 15, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 24px;
        gap: 16px;
        border-bottom: 1px solid var(--border-glass);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
    }

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

    .nav-cta {
        width: 100%;
        text-align: center;
    }

    .hero-stats {
        flex-direction: column;
        gap: 24px;
    }

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

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

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

    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }

    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }

    .about-image {
        height: auto;
        min-height: 0;
        aspect-ratio: auto;
    }

    .about-certificate {
        height: auto;
        object-fit: fill;
        padding: 0;
        background: rgba(10, 14, 35, 0.95);
    }

    .tech-pattern {
        display: none;
    }

    .about-stats {
        position: static;
        margin-top: 16px;
        gap: 12px;
    }

    .about-stat {
        padding: 16px;
    }

    .cta-content h2 {
        font-size: 1.8rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

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

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

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

    .stat-number {
        font-size: 2rem;
    }

    .section-header {
        margin-bottom: 40px;
    }

    .service-card,
    .benefit-card,
    .testimonial-card {
        padding: 24px;
    }

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

    .about-certificate {
        border-radius: var(--radius-xl);
    }

    .about-stats {
        flex-direction: column;
    }
}

/* ============================================
   Accessibility
   ============================================ */
@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;
    }
}

/* Focus States */
*:focus-visible {
    outline: 2px solid var(--blue-primary);
    outline-offset: 2px;
}

a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--blue-primary);
    outline-offset: 2px;
}

/* Selection */
::selection {
    background: rgba(59, 130, 246, 0.3);
    color: var(--text-primary);
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--blue-dark);
}