/* ========================================
   CSS CUSTOM PROPERTIES / THEME
   ======================================== */
:root {
    --primary: #0ea5e9;
    --primary-dark: #0284c7;
    --primary-light: #38bdf8;
    --secondary: #7c3aed;
    --secondary-light: #a78bfa;
    --accent: #06b6d4;
    --success: #10b981;
    --warning: #f59e0b;
    
    --bg-dark: #0a0e1a;
    --bg-medium: #111827;
    --bg-card: rgba(17, 24, 39, 0.7);
    --bg-glass: rgba(255, 255, 255, 0.03);
    --bg-glass-hover: rgba(255, 255, 255, 0.06);
    
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --border-glass: rgba(255, 255, 255, 0.08);
    --border-glow: rgba(14, 165, 233, 0.3);
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 16px 64px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px rgba(14, 165, 233, 0.15);
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    
    --font-main: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    --font-mono: 'SF Mono', 'Fira Code', monospace;
    
    --container: 1200px;
}

/* ========================================
   RESET & BASE
   ======================================== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-main);
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul {
    list-style: none;
}

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

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

/* ========================================
   PROGRESS BAR
   ======================================== */
.progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--secondary), var(--accent));
    z-index: 10000;
    transition: width 0.1s linear;
    box-shadow: 0 0 10px var(--primary);
}

/* ========================================
   NAVIGATION
   ======================================== */
.nav-glass {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    background: rgba(10, 14, 26, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-glass);
    transition: var(--transition);
}

.nav-glass.scrolled {
    padding: 10px 0;
    background: rgba(10, 14, 26, 0.95);
}

.nav-container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

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

.logo-3d {
    perspective: 600px;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-light), var(--secondary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
    transform: rotateY(0deg);
    transition: transform 0.4s ease;
}

.logo-text:hover {
    transform: rotateY(10deg) rotateX(-5deg);
}

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

.nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    padding: 4px 0;
}

.nav-links a:not(.nav-cta)::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transition: width 0.3s ease;
}

.nav-links a:not(.nav-cta):hover {
    color: var(--text-primary);
}

.nav-links a:not(.nav-cta):hover::after {
    width: 100%;
}

.nav-cta {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white !important;
    padding: 10px 20px;
    border-radius: 50px;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(14, 165, 233, 0.3);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(14, 165, 233, 0.5);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
}

.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);
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 120px 24px 80px;
}

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

.hero-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 30% 50%, rgba(14, 165, 233, 0.08) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 30%, rgba(124, 58, 237, 0.06) 0%, transparent 50%),
                radial-gradient(ellipse at 50% 80%, rgba(6, 182, 212, 0.04) 0%, transparent 40%);
}

.particles-container {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--primary-light);
    border-radius: 50%;
    opacity: 0.4;
    animation: float-particle 15s infinite linear;
}

.particle:nth-child(even) {
    background: var(--secondary-light);
    animation-duration: 20s;
}

.particle:nth-child(3n) {
    background: var(--accent);
    width: 3px;
    height: 3px;
}

@keyframes float-particle {
    0% { transform: translateY(100vh) rotate(0deg); opacity: 0; }
    10% { opacity: 0.6; }
    90% { opacity: 0.6; }
    100% { transform: translateY(-100px) rotate(720deg); opacity: 0; }
}

.morph-shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.3;
    animation: morph 20s infinite ease-in-out;
}

.morph-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--primary), transparent);
    top: -10%;
    left: -10%;
    animation-delay: 0s;
}

.morph-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--secondary), transparent);
    bottom: -5%;
    right: -5%;
    animation-delay: -7s;
}

.morph-3 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, var(--accent), transparent);
    top: 40%;
    right: 20%;
    animation-delay: -14s;
}

@keyframes morph {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(30px, -50px) scale(1.1); }
    50% { transform: translate(-20px, 20px) scale(0.9); }
    75% { transform: translate(40px, 30px) scale(1.05); }
}

.cooling-coils {
    position: absolute;
    right: 5%;
    top: 50%;
    transform: translateY(-50%);
    width: 400px;
    height: 400px;
    opacity: 0.4;
    pointer-events: none;
}

.coil-svg {
    width: 100%;
    height: 100%;
    animation: coil-pulse 4s ease-in-out infinite;
}

.coil-path {
    stroke-dasharray: 800;
    stroke-dashoffset: 800;
    animation: draw-coil 3s ease-in-out infinite alternate;
}

@keyframes draw-coil {
    to { stroke-dashoffset: 0; }
}

@keyframes coil-pulse {
    0%, 100% { transform: scale(1); opacity: 0.4; }
    50% { transform: scale(1.02); opacity: 0.6; }
}

.frost-particles {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.frost {
    position: absolute;
    width: 6px;
    height: 6px;
    background: white;
    clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
    opacity: 0;
    animation: fall-frost 8s linear infinite;
}

@keyframes fall-frost {
    0% { transform: translateY(-20px) rotate(0deg); opacity: 0; }
    10% { opacity: 0.7; }
    90% { opacity: 0.7; }
    100% { transform: translateY(calc(100vh + 20px)) rotate(360deg); opacity: 0; }
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: 50px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
    backdrop-filter: blur(10px);
    animation: fadeInUp 0.8s ease-out;
}

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

@keyframes pulse-dot {
    0%, 100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4); }
    50% { box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
}

.hero-title {
    font-size: clamp(2.2rem, 5vw, 3.8rem);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 20px;
    letter-spacing: -1px;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-title span {
    background: linear-gradient(135deg, var(--primary-light), var(--accent), var(--secondary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 650px;
    margin: 0 auto 36px;
    line-height: 1.8;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero-cta-group {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

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

.hero-scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce-scroll 2s infinite;
}

.scroll-arrow {
    width: 24px;
    height: 24px;
    border-right: 2px solid var(--text-muted);
    border-bottom: 2px solid var(--text-muted);
    transform: rotate(45deg);
    opacity: 0.5;
}

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

/* ========================================
   BUTTONS
   ======================================== */
.btn-primary, .btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    box-shadow: 0 4px 20px rgba(14, 165, 233, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(14, 165, 233, 0.5);
}

.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;
}

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

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

.btn-secondary:hover {
    background: var(--bg-glass-hover);
    border-color: var(--primary);
    transform: translateY(-3px);
    box-shadow: 0 4px 20px rgba(14, 165, 233, 0.2);
}

.btn-large {
    padding: 18px 36px;
    font-size: 1.05rem;
}

.btn-icon {
    font-size: 1.1em;
}

/* ========================================
   GLASS CARD
   ======================================== */
.glass-card {
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 32px;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
}

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

/* ========================================
   STATS SECTION
   ======================================== */
.stats-section {
    padding: 80px 0;
    position: relative;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 24px;
}

.stat-card {
    text-align: center;
    padding: 32px 20px;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-light), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

.stat-plus, .stat-suffix {
    font-size: 1.8rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-light), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 8px;
    font-weight: 500;
}

/* ========================================
   CONTENT SECTIONS
   ======================================== */
.content-section {
    padding: 80px 0;
    position: relative;
}

.content-section.alt-bg {
    background: linear-gradient(180deg, rgba(17, 24, 39, 0.3) 0%, transparent 100%);
}

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

.section-header h2 {
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.7;
}

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

.content-wrapper h2 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.content-wrapper p {
    margin-bottom: 18px;
    color: var(--text-secondary);
    line-height: 1.8;
}

.content-link {
    color: var(--primary-light);
    font-weight: 600;
    border-bottom: 1px solid transparent;
    transition: var(--transition);
}

.content-link:hover {
    border-bottom-color: var(--primary-light);
    text-shadow: 0 0 10px rgba(14, 165, 233, 0.5);
}

/* ========================================
   PROCESS TIMELINE
   ======================================== */
.process-timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.process-timeline::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--primary), var(--secondary), transparent);
}

.timeline-item {
    position: relative;
    padding-left: 80px;
    margin-bottom: 40px;
}

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

.timeline-icon {
    position: absolute;
    left: 10px;
    top: 20px;
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: 0 0 20px rgba(14, 165, 233, 0.4);
}

.timeline-content h3 {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.timeline-content p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 12px;
}

.timeline-content p:last-child {
    margin-bottom: 0;
}

/* ========================================
   PROBLEMS GRID
   ======================================== */
.problems-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.problem-card {
    padding: 28px;
}

.problem-icon {
    font-size: 2.2rem;
    margin-bottom: 16px;
    display: inline-block;
    animation: float-icon 3s ease-in-out infinite;
}

.problem-card:nth-child(2) .problem-icon { animation-delay: -0.5s; }
.problem-card:nth-child(3) .problem-icon { animation-delay: -1s; }
.problem-card:nth-child(4) .problem-icon { animation-delay: -1.5s; }
.problem-card:nth-child(5) .problem-icon { animation-delay: -2s; }
.problem-card:nth-child(6) .problem-icon { animation-delay: -2.5s; }

@keyframes float-icon {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}

.problem-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.problem-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ========================================
   SERVICE AREA VISUAL
   ======================================== */
.service-area-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.area-map-visual {
    position: relative;
    height: 300px;
    background: radial-gradient(ellipse at center, rgba(14, 165, 233, 0.05) 0%, transparent 70%);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.area-map-visual::before {
    content: '';
    position: absolute;
    inset: 20%;
    border: 1px dashed rgba(14, 165, 233, 0.2);
    border-radius: 50%;
    animation: rotate-slow 30s linear infinite;
}

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

.map-pin {
    position: absolute;
    width: 16px;
    height: 16px;
    background: var(--primary);
    border-radius: 50%;
    box-shadow: 0 0 20px var(--primary);
    animation: pulse-pin 2s infinite;
}

.map-pin::after {
    content: '';
    position: absolute;
    inset: -8px;
    border: 2px solid var(--primary);
    border-radius: 50%;
    opacity: 0;
    animation: ripple 2s infinite;
}

.pin-center {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--secondary);
    box-shadow: 0 0 25px var(--secondary);
    width: 20px;
    height: 20px;
}

.pin-1 { top: 30%; left: 35%; animation-delay: 0.3s; }
.pin-2 { top: 60%; left: 25%; animation-delay: 0.6s; }
.pin-3 { top: 40%; left: 70%; animation-delay: 0.9s; }

@keyframes pulse-pin {
    0%, 100% { transform: translate(-50%, -50%) scale(1); }
    50% { transform: translate(-50%, -50%) scale(1.2); }
}

.pin-1, .pin-2, .pin-3 {
    animation: none;
}

@keyframes ripple {
    0% { transform: scale(1); opacity: 0.6; }
    100% { transform: scale(2.5); opacity: 0; }
}

.area-label {
    position: absolute;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.label-1 { top: 22%; left: 30%; }
.label-2 { top: 70%; left: 18%; }
.label-3 { top: 32%; left: 68%; }

.area-text p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 18px;
}

.area-cta {
    margin-top: 24px;
}

/* ========================================
   TIPS GRID
   ======================================== */
.tips-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.tip-card {
    position: relative;
    padding: 32px 28px;
}

.tip-number {
    font-size: 3rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--primary), transparent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.3;
    position: absolute;
    top: 16px;
    right: 20px;
    line-height: 1;
}

.tip-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 12px;
    position: relative;
}

.tip-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ========================================
   FAQ SECTION
   ======================================== */
.faq-container {
    max-width: 750px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: 16px;
    padding: 0;
    overflow: hidden;
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 22px 28px;
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-primary);
    text-align: left;
    transition: var(--transition);
    background: transparent;
}

.faq-question:hover {
    color: var(--primary-light);
}

.faq-icon {
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--primary);
    transition: var(--transition);
    flex-shrink: 0;
    margin-left: 16px;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-out, padding 0.4s ease-out;
}

.faq-answer p {
    padding: 0 28px 22px;
    color: var(--text-secondary);
    line-height: 1.8;
}

.faq-item.active .faq-answer {
    max-height: 300px;
}

.faq-item.active {
    border-color: var(--border-glow);
}

/* ========================================
   CTA SECTION
   ======================================== */
.cta-section {
    padding: 80px 0;
}

.cta-card {
    text-align: center;
    padding: 60px 40px;
    position: relative;
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.05), rgba(124, 58, 237, 0.05));
    border-color: var(--border-glow);
}

.cta-bg-shapes {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.cta-shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.1;
}

.cta-shape.shape-1 {
    width: 200px;
    height: 200px;
    background: var(--primary);
    top: -50px;
    left: -50px;
    animation: morph 15s infinite;
}

.cta-shape.shape-2 {
    width: 150px;
    height: 150px;
    background: var(--secondary);
    bottom: -30px;
    right: -30px;
    animation: morph 12s infinite reverse;
}

.cta-shape.shape-3 {
    width: 100px;
    height: 100px;
    background: var(--accent);
    top: 50%;
    left: 60%;
    animation: morph 18s infinite;
}

.cta-card h2 {
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    font-weight: 800;
    margin-bottom: 16px;
    position: relative;
}

.cta-card p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 550px;
    margin: 0 auto 32px;
    position: relative;
}

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

/* ========================================
   FOOTER
   ======================================== */
.footer {
    padding: 60px 0 30px;
    border-top: 1px solid var(--border-glass);
    background: rgba(10, 14, 26, 0.5);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 40px;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-light), var(--secondary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 16px;
}

.footer-brand p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 20px;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

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

.social-link:hover {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-color: transparent;
    transform: translateY(-3px);
    box-shadow: 0 4px 15px rgba(14, 165, 233, 0.3);
}

.footer-links h4, .footer-contact h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.footer-links li, .footer-contact li {
    margin-bottom: 10px;
}

.footer-links a, .footer-contact a, .footer-contact li {
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: var(--transition);
}

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

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid var(--border-glass);
    text-align: center;
}

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

/* ========================================
   BACK TO TOP
   ======================================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(14, 165, 233, 0.4);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
    z-index: 999;
}

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

.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: 0 6px 30px rgba(14, 165, 233, 0.6);
}

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

/* ========================================
   SCROLL ANIMATIONS
   ======================================== */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */
@media (max-width: 1024px) {
    .cooling-coils {
        width: 250px;
        height: 250px;
        opacity: 0.2;
    }
    
    .service-area-content {
        grid-template-columns: 1fr;
    }
    
    .area-map-visual {
        height: 200px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: rgba(10, 14, 26, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        align-items: flex-start;
        padding: 100px 32px 32px;
        gap: 24px;
        transition: right 0.3s ease;
        border-left: 1px solid var(--border-glass);
    }
    
    .nav-links.open {
        right: 0;
    }
    
    .nav-toggle {
        display: flex;
        z-index: 1001;
    }
    
    .hero {
        padding: 100px 24px 60px;
        min-height: auto;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-cta-group {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-primary, .btn-secondary {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .process-timeline::before {
        left: 20px;
    }
    
    .timeline-item {
        padding-left: 60px;
    }
    
    .timeline-icon {
        left: 0;
        width: 38px;
        height: 38px;
    }
    
    .problems-grid {
        grid-template-columns: 1fr;
    }
    
    .tips-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .cooling-coils {
        display: none;
    }
    
    .content-section {
        padding: 50px 0;
    }
    
    .glass-card {
        padding: 24px;
    }
    
    .cta-card {
        padding: 40px 24px;
    }
    
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 42px;
        height: 42px;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }
    
    .stat-card {
        padding: 20px 12px;
    }
    
    .stat-number {
        font-size: 1.8rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
}

/* ========================================
   REDUCED MOTION
   ======================================== */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    .particle, .frost, .morph-shape {
        display: none;
    }
    
    .glass-card:hover {
        transform: none;
    }
}

/* ========================================
   FOCUS STATES
   ======================================== */
a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 3px;
    border-radius: 4px;
}

/* Selection */
::selection {
    background: rgba(14, 165, 233, 0.3);
    color: white;
}