/* ==========================================
   NexaCode - Modern Dark Tech Landing Page CSS
   ========================================== */

/* ===== 1. CSS Variables & Design Tokens ===== */
:root {
    /* Colors */
    --color-bg-primary: #020814;
    --color-bg-secondary: #050d1e;
    --color-bg-tertiary: #0a142c;
    --color-card-bg: rgba(255, 255, 255, 0.02);
    --color-card-border: rgba(255, 255, 255, 0.07);
    --color-card-hover-border: rgba(0, 245, 212, 0.3);
    
    --color-text-primary: #ffffff;
    --color-text-secondary: #94a3b8;
    --color-text-muted: #64748b;
    
    --color-accent-teal: #00f5d4;
    --color-accent-purple: #7b61ff;
    --color-accent-red: #ff5252;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #00f5d4 0%, #7b61ff 100%);
    --gradient-glow: radial-gradient(circle, rgba(0, 245, 212, 0.15) 0%, transparent 60%);
    --gradient-glow-purple: radial-gradient(circle, rgba(123, 97, 255, 0.12) 0%, transparent 60%);
    
    /* Typography */
    --font-sans: 'Onest', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    
    /* Spacing Grid (8-point system) */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-8: 32px;
    --space-10: 40px;
    --space-12: 48px;
    --space-16: 64px;
    --space-20: 80px;
    --space-24: 96px;
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-neon-teal: 0 0 20px rgba(0, 245, 212, 0.25);
    --shadow-neon-purple: 0 0 20px rgba(123, 97, 255, 0.2);
    --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
    --transition-slow: 0.4s ease;
    --header-scroll-offset: 92px;
}

/* ===== 2. Reset & Base Styles ===== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

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

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin-right: auto;
    margin-left: auto;
    padding-right: var(--space-6);
    padding-left: var(--space-6);
}

/* Sections */
.section {
    padding-top: var(--space-20);
    padding-bottom: var(--space-20);
    position: relative;
    z-index: 2;
}

section[id], [id].section {
    scroll-margin-top: var(--header-scroll-offset);
}

.border-top {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.25;
    letter-spacing: -0.02em;
}

h1 {
    font-size: clamp(2.25rem, 5vw, 4rem);
}

h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
}

h3 {
    font-size: clamp(1.25rem, 2.5vw, 1.75rem);
}

p {
    color: var(--color-text-secondary);
}

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

ul {
    list-style: none;
}

/* Utilities */
.text-center { text-align: center; }
.text-teal { color: var(--color-accent-teal) !important; }
.text-purple { color: var(--color-accent-purple) !important; }
.text-muted { color: var(--color-text-muted) !important; }
.font-mono { font-family: var(--font-mono); }

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

/* Grid System */
.grid {
    display: grid;
    gap: var(--space-6);
}

.grid-2 { grid-template-columns: 1fr; }
.grid-3 { grid-template-columns: 1fr; }

@media (min-width: 768px) {
    .grid-2 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
    .grid-3 { grid-template-columns: repeat(3, 1fr); }
}

/* ===== 3. Common Components ===== */
/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    font-weight: 600;
    text-align: center;
    white-space: nowrap;
    vertical-align: middle;
    user-select: none;
    border: 1px solid transparent;
    padding: var(--space-4) var(--space-8);
    font-size: 1rem;
    line-height: 1.2;
    border-radius: var(--radius-md);
    cursor: pointer;
    position: relative;
    isolation: isolate;
    min-width: 0;
    max-width: 100%;
    overflow: visible;
    background-clip: padding-box;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal), background-color var(--transition-normal), border-color var(--transition-normal), color var(--transition-normal);
}

.btn-sm {
    padding: var(--space-2) var(--space-4);
    font-size: 0.875rem;
    border-radius: var(--radius-sm);
}

.btn-primary {
    background: var(--gradient-primary);
    background-origin: border-box;
    background-clip: border-box;
    color: var(--color-bg-primary);
    box-shadow: var(--shadow-neon-teal);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(0, 245, 212, 0.4);
}

.btn-secondary {
    background-color: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.1);
    color: var(--color-text-primary);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

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

/* Keyboard accessibility outline */
:focus-visible {
    outline: 2px solid var(--color-accent-teal);
    outline-offset: 4px;
}

/* Section Header */
.section-header {
    margin-bottom: var(--space-12);
}

.section-title {
    margin-bottom: var(--space-4);
}

.section-subtitle {
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    font-size: 1.125rem;
}

/* Cards */
.card {
    background-color: var(--color-card-bg);
    border: 1px solid var(--color-card-border);
    border-radius: var(--radius-lg);
    padding: var(--space-8);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: inherit;
    background: linear-gradient(135deg, rgba(0, 245, 212, 0.05) 0%, rgba(123, 97, 255, 0.05) 100%);
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: 0;
    pointer-events: none;
}

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

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

.card > * {
    position: relative;
    z-index: 1;
}

/* ===== 4. Header & Navigation ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 72px;
    z-index: 100;
    transition: all var(--transition-normal);
    border-bottom: 1px solid transparent;
}

.header.scrolled {
    background-color: rgba(2, 8, 20, 0.8);
    backdrop-filter: blur(12px);
    border-color: rgba(255, 255, 255, 0.05);
    height: 64px;
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    gap: var(--space-4);
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-weight: 800;
    font-size: 1.25rem;
}

.logo-icon-svg {
    transition: transform var(--transition-normal);
}

.logo:hover .logo-icon-svg {
    transform: rotate(10deg);
}

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

.nav {
    display: none;
}

.nav-list {
    display: flex;
    gap: clamp(var(--space-3), 1.45vw, var(--space-6));
}

.nav-link {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    padding: var(--space-2) 0;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--transition-normal);
}

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

.nav-link:hover::after, .nav-link.active::after {
    transform: scaleX(1);
    transform-origin: left;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex-shrink: 0;
}

.header-cta {
    display: none;
    flex-shrink: 0;
    min-height: 40px;
}

.mobile-menu-btn {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    z-index: 101;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    outline: none;
}

.mobile-menu-btn span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--color-text-primary);
    transition: all var(--transition-normal);
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* Nav Responsive */
@media (min-width: 1024px) {
    .nav {
        display: block;
        min-width: 0;
    }
    .header-cta {
        display: inline-flex;
    }
    .mobile-menu-btn {
        display: none;
    }
}

/* Mobile Nav Drawer */
@media (max-width: 1023px) {
    .nav.active {
        display: block;
        position: fixed;
        top: 0;
        left: 0;
        width: 100vw;
        height: 100vh;
        background-color: var(--color-bg-primary);
        padding-top: 100px;
        padding-left: var(--space-6);
        z-index: 99;
    }
    
    .nav.active .nav-list {
        flex-direction: column;
        gap: var(--space-6);
    }
    
    .nav.active .nav-link {
        font-size: 1.5rem;
    }
}

/* ===== 5. Hero Section ===== */
.hero {
    position: relative;
    padding-top: 140px;
    padding-bottom: var(--space-20);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

.hero-gradient {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(ellipse at 50% 0%, rgba(123, 97, 255, 0.1) 0%, transparent 60%);
}

.grid-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    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;
    background-position: center top;
}

.glow-orb {
    position: absolute;
    border-radius: var(--radius-full);
    filter: blur(100px);
}

.glow-1 {
    width: 300px;
    height: 300px;
    background: rgba(0, 245, 212, 0.05);
    top: 10%;
    right: 15%;
}

.glow-2 {
    width: 400px;
    height: 400px;
    background: rgba(123, 97, 255, 0.05);
    bottom: 5%;
    left: 5%;
}

.hero-container {
    position: relative;
    z-index: 1;
    display: grid;
    gap: var(--space-12);
    align-items: center;
}

@media (min-width: 1024px) {
    .hero-container {
        grid-template-columns: 1.2fr 1fr;
    }
}

.hero-content {
    text-align: left;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    background-color: rgba(0, 245, 212, 0.05);
    border: 1px solid rgba(0, 245, 212, 0.15);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-6);
    box-shadow: var(--shadow-neon-teal);
}

.badge-dot {
    width: 8px;
    height: 8px;
    background-color: var(--color-accent-teal);
    border-radius: var(--radius-full);
    box-shadow: 0 0 10px var(--color-accent-teal);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(0.9); opacity: 0.7; }
    50% { transform: scale(1.2); opacity: 1; }
    100% { transform: scale(0.9); opacity: 0.7; }
}

.badge-text {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-accent-teal);
}

.hero-title {
    margin-bottom: var(--space-6);
}

.hero-description {
    font-size: 1.25rem;
    margin-bottom: var(--space-10);
    max-width: 600px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
    align-items: stretch;
}

/* Terminal Mockup */
.hero-visual {
    width: 100%;
}

.terminal-mockup {
    background-color: #030c1b;
    border: 1px solid var(--color-card-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.7), var(--shadow-neon-purple);
}

.terminal-header {
    background-color: rgba(255, 255, 255, 0.03);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding: var(--space-3) var(--space-4);
    display: flex;
    align-items: center;
    position: relative;
}

.terminal-controls {
    display: flex;
    gap: 6px;
}

.control {
    width: 10px;
    height: 10px;
    border-radius: var(--radius-full);
}

.close { background-color: #ff5f56; }
.minimize { background-color: #ffbd2e; }
.expand { background-color: #27c93f; }

.terminal-title {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    font-family: var(--font-mono);
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.terminal-body {
    padding: var(--space-6);
    font-size: 0.875rem;
    line-height: 1.7;
    color: #cbd5e1;
    min-height: 240px;
}

.terminal-line {
    margin-bottom: var(--space-2);
    white-space: pre-wrap;
}

.status-badge {
    display: inline-block;
    padding: 0 var(--space-2);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 700;
}

.status-active {
    background-color: rgba(0, 245, 212, 0.15);
    color: var(--color-accent-teal);
}

.text-glow {
    text-shadow: 0 0 10px rgba(0, 245, 212, 0.5);
    color: var(--color-text-primary);
}

.terminal-cursor {
    display: inline-block;
    width: 8px;
    height: 15px;
    background-color: var(--color-accent-teal);
    vertical-align: middle;
    margin-left: var(--space-1);
    animation: cursor-blink 1s step-end infinite;
}

@keyframes cursor-blink {
    from, to { background-color: transparent; }
    50% { background-color: var(--color-accent-teal); }
}

/* ===== 6. Problem Section ===== */
.problem-card .card-icon {
    width: 48px;
    height: 48px;
    background-color: rgba(255, 82, 82, 0.05);
    border: 1px solid rgba(255, 82, 82, 0.15);
    color: var(--color-accent-red);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-6);
}

.problem-card:hover {
    border-color: rgba(255, 82, 82, 0.3);
}

.problem-card .card-title {
    margin-bottom: var(--space-3);
}

/* ===== 7. Offer Section ===== */
.offer-card {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.offer-card.featured {
    border-color: var(--color-accent-teal);
    background-color: rgba(0, 245, 212, 0.01);
    box-shadow: var(--shadow-neon-teal);
}

.offer-badge-glow {
    position: absolute;
    top: var(--space-4);
    right: var(--space-6);
    background: var(--gradient-primary);
    color: var(--color-bg-primary);
    font-size: 0.75rem;
    font-weight: 700;
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
}

.offer-header {
    margin-bottom: var(--space-6);
}

.offer-title {
    margin-bottom: var(--space-2);
}

.offer-price {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--color-text-primary);
    margin-bottom: var(--space-4);
    font-family: var(--font-sans);
}

.offer-features {
    margin-bottom: var(--space-8);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.offer-features li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    color: var(--color-text-secondary);
}

.offer-features li span {
    color: var(--color-accent-teal);
    font-weight: 700;
}

.offer-footer {
    margin-top: auto;
}

/* ===== 8. Inclusions & Exclusions Section ===== */
.scope-grid {
    align-items: start;
}

.scope-card {
    height: 100%;
}

.scope-title {
    margin-bottom: var(--space-6);
    padding-bottom: var(--space-4);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.scope-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
}

.scope-list li {
    display: flex;
    gap: var(--space-4);
}

.scope-icon {
    font-size: 1.125rem;
    font-weight: 800;
    line-height: 1.4;
}

.scope-in .scope-icon {
    color: var(--color-accent-teal);
}

.scope-out .scope-icon {
    color: var(--color-accent-red);
}

.scope-list strong {
    display: block;
    color: var(--color-text-primary);
    margin-bottom: var(--space-1);
}

.scope-list p {
    font-size: 0.875rem;
}

.scope-note {
    margin-top: var(--space-8);
    padding: var(--space-4);
    background-color: rgba(123, 97, 255, 0.05);
    border-left: 3px solid var(--color-accent-purple);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

/* ===== 9. For Whom Section ===== */
.target-card {
    padding-top: var(--space-12);
}

.target-num {
    position: absolute;
    top: var(--space-4);
    right: var(--space-6);
    font-family: var(--font-mono);
    font-size: 2.5rem;
    font-weight: 800;
    color: rgba(255, 255, 255, 0.03);
    line-height: 1;
    transition: color var(--transition-normal);
}

.target-card:hover .target-num {
    color: rgba(0, 245, 212, 0.1);
}

.target-card .card-title {
    margin-bottom: var(--space-3);
}

/* ===== 10. Process Section ===== */
.process-timeline {
    position: relative;
    display: grid;
    gap: var(--space-8);
    margin-top: var(--space-6);
}

.process-timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 20px;
    width: 2px;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.05);
    z-index: 1;
}

.process-step {
    position: relative;
    padding-left: var(--space-16);
    z-index: 2;
}

.process-icon {
    position: absolute;
    top: 0;
    left: 0;
    width: 42px;
    height: 42px;
    border-radius: var(--radius-full);
    background-color: var(--color-bg-secondary);
    border: 2px solid rgba(255, 255, 255, 0.1);
    color: var(--color-text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.125rem;
    box-shadow: var(--shadow-card);
    transition: all var(--transition-normal);
}

.process-step:hover .process-icon {
    border-color: var(--color-accent-teal);
    color: var(--color-accent-teal);
    box-shadow: var(--shadow-neon-teal);
    transform: scale(1.1);
}

.process-step-title {
    margin-bottom: var(--space-2);
}

@media (min-width: 768px) {
    .process-timeline {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-10);
    }
    
    .process-timeline::before {
        top: 21px;
        left: 0;
        width: 100%;
        height: 2px;
    }
    
    .process-step {
        padding-left: 0;
        padding-top: var(--space-16);
        text-align: center;
    }
    
    .process-icon {
        left: 50%;
        transform: translateX(-50%);
    }
}

/* ===== 11. Comparison Section ===== */
.comparison-card {
    height: 100%;
}

.comparison-title {
    margin-bottom: var(--space-6);
    font-size: 1.5rem;
    padding-bottom: var(--space-2);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.comparison-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.comparison-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    font-size: 0.9375rem;
}

.comparison-list li::before {
    content: '—';
    color: var(--color-text-muted);
    font-weight: bold;
}

.comparison-note {
    margin-top: var(--space-10);
    padding: var(--space-6);
    background-color: var(--color-bg-secondary);
    border: 1px solid var(--color-card-border);
    border-radius: var(--radius-lg);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* ===== 12. FAQ Section ===== */
.faq-accordion {
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.faq-item {
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    background: linear-gradient(180deg, rgba(10, 20, 44, 0.78), rgba(5, 13, 30, 0.96));
    overflow: hidden;
    transition: border-color 0.28s ease, background-color 0.28s ease, box-shadow 0.28s ease;
}

.faq-item:hover {
    border-color: rgba(0, 245, 212, 0.22);
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.18);
}

.faq-item.active {
    border-color: rgba(0, 245, 212, 0.46);
    background: linear-gradient(180deg, rgba(10, 20, 44, 0.95), rgba(3, 12, 27, 0.98));
    box-shadow: 0 0 0 1px rgba(0, 245, 212, 0.08), 0 16px 38px rgba(0, 0, 0, 0.26), 0 0 24px rgba(0, 245, 212, 0.09);
}

.faq-question {
    width: 100%;
    padding: var(--space-5) var(--space-6);
    text-align: left;
    font-weight: 600;
    font-size: 1.0625rem;
    font-family: inherit;
    color: var(--color-text-primary);
    background: transparent;
    border: none;
    outline: none;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-4);
    transition: color 0.22s ease;
}

.faq-question:hover {
    color: var(--color-accent-teal);
}

.faq-question:focus-visible {
    outline: 2px solid var(--color-accent-teal);
    outline-offset: -2px;
}

.faq-icon {
    display: block;
    width: 18px;
    height: 18px;
    position: relative;
    flex-shrink: 0;
    border-radius: var(--radius-full);
    color: var(--color-text-secondary);
    transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1), color 0.22s ease;
}

.faq-icon::before, .faq-icon::after {
    content: '';
    position: absolute;
    background-color: currentColor;
    border-radius: var(--radius-full);
    transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.22s ease;
}

.faq-icon::before {
    top: 8px;
    left: 3px;
    width: 12px;
    height: 2px;
}

.faq-icon::after {
    top: 3px;
    left: 8px;
    width: 2px;
    height: 12px;
}

.faq-item.active .faq-icon {
    color: var(--color-accent-teal);
    transform: rotate(180deg);
}

.faq-item.active .faq-icon::after {
    transform: scaleY(0);
    opacity: 0;
}

.faq-item.active .faq-icon::before {
    transform: scaleX(1);
}

.faq-answer {
    height: 0;
    overflow: hidden;
    opacity: 0;
    transform: translateY(-6px);
    transition: height 0.32s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.24s ease, transform 0.32s cubic-bezier(0.22, 1, 0.36, 1);
    will-change: height, opacity, transform;
}

.faq-answer p {
    padding: 0 var(--space-6) var(--space-5);
    font-size: 0.9375rem;
    color: #cbd5e1;
    line-height: 1.6;
}

.faq-item.active .faq-answer {
    opacity: 1;
    transform: translateY(0);
}

/* ===== 13. Contact Section ===== */
.contact-container {
    display: grid;
    gap: var(--space-12);
    align-items: start;
}

@media (min-width: 1024px) {
    .contact-container {
        grid-template-columns: 1fr 1.2fr;
    }
}

.contact-info-block {
    text-align: left;
}

.contact-info-block .section-title {
    text-align: left;
    margin-bottom: var(--space-4);
}

.contact-text {
    font-size: 1.125rem;
    margin-bottom: var(--space-8);
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    margin-bottom: var(--space-8);
}

.contact-method-item {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    font-size: 1.0625rem;
    color: var(--color-text-primary);
}

a.contact-method-item:hover {
    color: var(--color-accent-teal);
}

.contact-method-item svg {
    color: var(--color-accent-teal);
}

.contact-whatsapp-block {
    padding-top: var(--space-6);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.whatsapp-label {
    margin-bottom: var(--space-4);
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.whatsapp-btn {
    background-color: rgba(37, 211, 102, 0.08) !important;
    border-color: rgba(37, 211, 102, 0.2) !important;
    color: #25d366 !important;
}

.whatsapp-btn:hover {
    background-color: rgba(37, 211, 102, 0.15) !important;
    border-color: rgba(37, 211, 102, 0.4) !important;
    box-shadow: 0 0 20px rgba(37, 211, 102, 0.2);
}

/* Contact Form */
.contact-form-block {
    background-color: var(--color-bg-secondary);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text-secondary);
}

.form-group input, .form-group textarea {
    background-color: var(--color-bg-primary);
    border: 1px solid var(--color-card-border);
    border-radius: var(--radius-sm);
    padding: var(--space-3) var(--space-4);
    color: var(--color-text-primary);
    font-size: 1rem;
    transition: all var(--transition-normal);
}

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

.form-group input:focus, .form-group textarea:focus {
    border-color: var(--color-accent-teal);
    box-shadow: 0 0 10px rgba(0, 245, 212, 0.15);
}

/* Success state button animate */
.btn-success {
    background: #10b981 !important;
    color: #ffffff !important;
    box-shadow: 0 0 20px rgba(16, 185, 129, 0.4) !important;
}

.btn-error {
    background: #ef4444 !important;
    color: #ffffff !important;
    box-shadow: 0 0 20px rgba(239, 68, 68, 0.4) !important;
}

.btn-loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(0, 245, 212, 0.3);
    border-radius: 50%;
    border-top-color: var(--color-bg-primary);
    animation: spin 0.8s linear infinite;
}

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

/* ===== 14. Footer ===== */
.footer {
    background-color: #01040a;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: var(--space-16);
    padding-bottom: var(--space-8);
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.footer-container {
    display: grid;
    gap: var(--space-10);
    margin-bottom: var(--space-12);
}

@media (min-width: 768px) {
    .footer-container {
        grid-template-columns: 2fr 1fr 1fr;
    }
}

.footer-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.footer-tagline {
    font-size: 0.9375rem;
    max-width: 300px;
}

.footer-links h4 {
    color: var(--color-text-primary);
    margin-bottom: var(--space-4);
    font-size: 0.9375rem;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

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

.footer-bottom {
    padding-top: var(--space-6);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
}

@media (min-width: 768px) {
    .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

.footer-dev-note a {
    color: var(--color-accent-purple);
    font-weight: 600;
}

.footer-dev-note a:hover {
    text-decoration: underline;
}

/* ===== 15. Policy Pages General Styles ===== */
.policy-body {
    padding-top: 120px;
    padding-bottom: var(--space-20);
}

.policy-content {
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.policy-content h1 {
    margin-bottom: var(--space-8);
}

.policy-content h2 {
    font-size: 1.5rem;
    margin-top: var(--space-10);
    margin-bottom: var(--space-4);
}

.policy-content p {
    margin-bottom: var(--space-4);
    font-size: 1rem;
    line-height: 1.7;
}

.policy-content ul {
    list-style-type: disc;
    padding-left: var(--space-8);
    margin-bottom: var(--space-4);
}

.policy-content li {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-2);
}

/* ===== 16. Language Switcher ===== */
.lang-switcher {
    position: relative;
    display: inline-block;
    vertical-align: middle;
}

.lang-toggle {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    background-color: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--color-card-border);
    color: var(--color-text-primary);
    padding: var(--space-2) var(--space-4);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast) ease;
}

.lang-toggle:hover {
    background-color: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
}

.lang-arrow {
    transition: transform var(--transition-fast) ease;
    color: var(--color-text-secondary);
}

.lang-switcher.active .lang-arrow {
    transform: rotate(180deg);
}

.lang-dropdown {
    position: absolute;
    top: calc(100% + var(--space-2));
    right: 0;
    background-color: rgba(3, 12, 27, 0.98);
    border: 1px solid var(--color-card-border);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-card);
    backdrop-filter: blur(12px);
    display: none;
    flex-direction: column;
    padding: var(--space-1) 0;
    min-width: 80px;
    z-index: 102;
}

.lang-switcher.active .lang-dropdown {
    display: flex;
}

.lang-select {
    width: 100%;
    text-align: center;
    padding: var(--space-2) var(--space-4);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    background: none;
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast) ease;
}

.lang-select:hover {
    color: var(--color-accent-teal);
    background-color: rgba(255, 255, 255, 0.03);
}

.mobile-lang-switcher-container {
    display: none;
}

@media (max-width: 1023px) {
    .mobile-lang-switcher-container {
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-2);
        margin-top: var(--space-8);
        padding-top: var(--space-6);
        border-top: 1px solid rgba(255, 255, 255, 0.05);
        max-width: 200px;
    }
    
    .mobile-lang-label {
        font-size: 0.8125rem;
        color: var(--color-text-muted);
        font-weight: 500;
        margin-bottom: var(--space-1);
    }
}

/* ===== 17. Floating WhatsApp Button ===== */
.whatsapp-floating-btn {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 999;
    width: 60px;
    height: 60px;
    background-color: #25d366;
    color: #ffffff;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
    transition: all var(--transition-normal) ease;
    animation: wa-pulse 2s infinite;
}

.whatsapp-floating-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.6);
}

@media (max-width: 767px) {
    :root {
        --header-scroll-offset: 84px;
    }

    .container {
        padding-right: var(--space-5);
        padding-left: var(--space-5);
    }

    .hero {
        padding-top: 116px;
    }

    .hero-actions {
        width: 100%;
    }

    .hero-actions .btn,
    .offer-footer .btn,
    .contact-form .btn {
        width: 100%;
        white-space: normal;
        min-height: 52px;
        padding-right: var(--space-5);
        padding-left: var(--space-5);
    }

    .btn {
        white-space: normal;
    }

    .faq-question {
        padding: var(--space-4) var(--space-5);
        font-size: 1rem;
        align-items: flex-start;
    }

    .faq-answer p {
        padding-right: var(--space-5);
        padding-left: var(--space-5);
    }

    .whatsapp-floating-btn {
        right: 16px;
        bottom: 16px;
        width: 54px;
        height: 54px;
    }

    .whatsapp-floating-btn svg {
        width: 30px;
        height: 30px;
    }
}

@media (min-width: 1024px) and (max-width: 1160px) {
    .logo-text {
        display: none;
    }

    .header-cta {
        padding-right: var(--space-3);
        padding-left: var(--space-3);
        font-size: 0.8125rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

@keyframes wa-pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
    }
    70% {
        box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
    }
}