/* ============================================
   Optiml — Premium LLM Optimization Agency
   Design System & Styles
   ============================================ */

/* CSS Variables */
:root {
    /* Colors */
    --color-bg: #fafafa;
    --color-bg-dark: #0a0a0a;
    --color-surface: #ffffff;
    --color-surface-dark: #111111;
    
    --color-text: #111111;
    --color-text-secondary: #666666;
    --color-text-muted: #999999;
    --color-text-inverse: #ffffff;
    
    --color-border: #e5e5e5;
    --color-border-dark: #222222;
    
    /* Accent — Deep Teal */
    --color-accent: #0d7377;
    --color-accent-light: #14a085;
    --color-accent-dark: #0a5c5f;
    --color-accent-glow: rgba(13, 115, 119, 0.15);
    
    /* Gradients */
    --gradient-hero: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 50%, #0d7377 100%);
    --gradient-text: linear-gradient(135deg, #ffffff 0%, #14a085 100%);
    --gradient-accent: linear-gradient(135deg, #0d7377 0%, #14a085 100%);
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;
    
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 2rem;
    --text-4xl: 2.5rem;
    --text-5xl: 3.5rem;
    --text-6xl: 4.5rem;
    
    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    --space-32: 8rem;
    
    /* Layout */
    --container-max: 1200px;
    --container-padding: 1.5rem;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);
    --shadow-glow: 0 0 40px rgba(13, 115, 119, 0.2);
}

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

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

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

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

a {
    color: inherit;
    text-decoration: none;
}

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

/* ============================================
   Navigation
   ============================================ */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-4) 0;
    transition: background var(--transition-base), backdrop-filter var(--transition-base);
}

.nav.scrolled {
    background: rgba(250, 250, 250, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-weight: 600;
    font-size: var(--text-xl);
}

.logo-icon {
    color: var(--color-accent);
    font-size: 1.5rem;
    line-height: 1;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-8);
}

.nav-link {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1.5px;
    background: var(--color-accent);
    transition: width var(--transition-base);
}

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

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

.nav-link--cta {
    background: var(--color-text);
    color: var(--color-text-inverse);
    padding: var(--space-2) var(--space-4);
    border-radius: 6px;
    transition: background var(--transition-fast), transform var(--transition-fast);
}

.nav-link--cta::after {
    display: none;
}

.nav-link--cta:hover {
    background: var(--color-accent);
    transform: translateY(-1px);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-2);
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 1.5px;
    background: var(--color-text);
    transition: transform var(--transition-base), opacity var(--transition-base);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: var(--color-bg-dark);
}

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

.hero-gradient {
    position: absolute;
    inset: 0;
    background: var(--gradient-hero);
    opacity: 0.9;
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    padding: var(--space-24) var(--space-4);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--space-2) var(--space-4);
    border-radius: 100px;
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--space-8);
    backdrop-filter: blur(10px);
}

.badge-dot {
    width: 6px;
    height: 6px;
    background: var(--color-accent-light);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(var(--text-4xl), 6vw, var(--text-6xl));
    font-weight: 600;
    line-height: 1.1;
    color: var(--color-text-inverse);
    margin-bottom: var(--space-6);
    letter-spacing: -0.02em;
}

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

.hero-subtitle {
    font-size: var(--text-lg);
    color: rgba(255, 255, 255, 0.6);
    max-width: 560px;
    margin: 0 auto var(--space-8);
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
    margin-bottom: var(--space-16);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    border-radius: 8px;
    font-size: var(--text-sm);
    font-weight: 600;
    transition: all var(--transition-fast);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--color-text-inverse);
    color: var(--color-text);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    background: var(--color-accent-light);
    color: var(--color-text-inverse);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

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

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

.btn-secondary {
    background: transparent;
    color: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.3);
    color: var(--color-text-inverse);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* Trust Section */
.hero-trust {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--space-8);
}

.trust-logos {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-4);
}

.trust-label {
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: rgba(255, 255, 255, 0.4);
}

.trust-icons {
    display: flex;
    gap: var(--space-6);
}

.trust-icon {
    width: 32px;
    height: 32px;
    color: rgba(255, 255, 255, 0.3);
    transition: color var(--transition-fast);
}

.trust-icon:hover {
    color: rgba(255, 255, 255, 0.7);
}

/* Scroll Indicator */
.hero-scroll {
    position: absolute;
    bottom: var(--space-8);
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
}

.scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
}

.scroll-indicator span {
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: rgba(255, 255, 255, 0.3);
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, rgba(255,255,255,0.3), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; transform: scaleY(1); }
    50% { opacity: 0.8; transform: scaleY(1.2); }
}

/* ============================================
   Sections
   ============================================ */
.section {
    padding: var(--space-32) 0;
}

.section-dark {
    background: var(--color-bg-dark);
    color: var(--color-text-inverse);
}

.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto var(--space-16);
}

.section-label {
    display: inline-block;
    font-size: var(--text-xs);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-accent);
    margin-bottom: var(--space-4);
    font-weight: 600;
}

.section-dark .section-label {
    color: var(--color-accent-light);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
    font-weight: 600;
    line-height: 1.15;
    margin-bottom: var(--space-4);
    letter-spacing: -0.02em;
}

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

.section-dark .section-subtitle {
    color: rgba(255, 255, 255, 0.5);
}

.section-cta {
    text-align: center;
    margin-top: var(--space-12);
}

/* ============================================
   Problem Section
   ============================================ */
.problem-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.problem-card {
    background: var(--color-surface-dark);
    border: 1px solid var(--color-border-dark);
    border-radius: 16px;
    padding: var(--space-8);
    transition: transform var(--transition-base), border-color var(--transition-base);
}

.problem-card:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 255, 255, 0.15);
}

.problem-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    margin-bottom: var(--space-6);
    color: var(--color-accent-light);
}

.problem-card h3 {
    font-size: var(--text-xl);
    font-weight: 600;
    margin-bottom: var(--space-3);
    color: var(--color-text-inverse);
}

.problem-card p {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.7;
}

/* ============================================
   Pipeline Section
   ============================================ */
.pipeline {
    max-width: 720px;
    margin: 0 auto;
}

.pipeline-step {
    display: flex;
    gap: var(--space-6);
    padding: var(--space-6) 0;
}

.step-number {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: 600;
    color: var(--color-accent);
    min-width: 48px;
    opacity: 0.5;
    transition: opacity var(--transition-base);
}

.pipeline-step:hover .step-number {
    opacity: 1;
}

.step-content h3 {
    font-size: var(--text-xl);
    font-weight: 600;
    margin-bottom: var(--space-2);
    color: var(--color-text);
}

.step-content p {
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.pipeline-connector {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--color-border), transparent);
    margin-left: 24px;
}

/* ============================================
   Results Section
   ============================================ */
.results-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.result-card {
    text-align: center;
    padding: var(--space-8);
    background: var(--color-surface-dark);
    border: 1px solid var(--color-border-dark);
    border-radius: 16px;
    transition: transform var(--transition-base);
}

.result-card:hover {
    transform: translateY(-4px);
}

.result-number {
    font-family: var(--font-display);
    font-size: var(--text-5xl);
    font-weight: 700;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: var(--space-2);
}

.result-label {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-text-inverse);
    margin-bottom: var(--space-4);
    display: block;
}

.result-card p {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.7;
}

/* ============================================
   About Section
   ============================================ */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

.about-content p {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-4);
    line-height: 1.8;
}

.about-values {
    margin-top: var(--space-8);
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.value {
    display: flex;
    align-items: flex-start;
    gap: var(--space-4);
}

.value-icon {
    color: var(--color-accent);
    font-size: var(--text-sm);
    margin-top: 2px;
}

.value strong {
    display: block;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-1);
}

.value span {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
}

/* Visual Card */
.about-visual {
    display: flex;
    justify-content: center;
}

.visual-card {
    background: var(--color-bg-dark);
    border-radius: 16px;
    overflow: hidden;
    width: 100%;
    max-width: 440px;
    box-shadow: var(--shadow-lg);
}

.visual-header {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-6);
    background: rgba(255, 255, 255, 0.03);
    border-bottom: 1px solid var(--color-border-dark);
}

.visual-dot {
    width: 10px;
    height: 10px;
    background: var(--color-accent);
    border-radius: 50%;
}

.visual-title {
    font-family: monospace;
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.6);
}

.visual-code {
    padding: var(--space-6);
    font-family: 'SF Mono', Monaco, monospace;
    font-size: var(--text-sm);
    line-height: 1.8;
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.code-comment {
    color: rgba(255, 255, 255, 0.3);
}

.code-line {
    display: block;
}

.code-key {
    color: var(--color-accent-light);
}

.code-value {
    color: rgba(255, 255, 255, 0.7);
}

/* ============================================
   Pricing Section
   ============================================ */
.pricing-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
    max-width: 480px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--color-surface-dark);
    border: 1px solid var(--color-border-dark);
    border-radius: 20px;
    padding: var(--space-8);
    position: relative;
    transition: transform var(--transition-base);
}

.pricing-card:hover {
    transform: translateY(-4px);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: var(--space-8);
    background: var(--gradient-accent);
    color: var(--color-text-inverse);
    font-size: var(--text-xs);
    font-weight: 600;
    padding: var(--space-1) var(--space-3);
    border-radius: 100px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.pricing-header {
    margin-bottom: var(--space-8);
}

.pricing-header h3 {
    font-size: var(--text-xl);
    font-weight: 600;
    color: var(--color-text-inverse);
    margin-bottom: var(--space-4);
}

.pricing-price {
    display: flex;
    align-items: baseline;
    gap: var(--space-1);
    margin-bottom: var(--space-2);
}

.price {
    font-family: var(--font-display);
    font-size: var(--text-5xl);
    font-weight: 700;
    color: var(--color-text-inverse);
}

.currency {
    font-size: var(--text-xl);
    font-weight: 500;
    color: rgba(255, 255, 255, 0.5);
}

.pricing-note {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.4);
}

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

.feature {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.7);
}

.feature svg {
    color: var(--color-accent-light);
    flex-shrink: 0;
}

.pricing-addon {
    opacity: 0.7;
    align-self: start;
}

.pricing-addon:hover {
    opacity: 1;
}

.hidden {
    display: none;
}

/* ============================================
   Thank You Page
   ============================================ */
.thank-you {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-dark);
    position: relative;
    overflow: hidden;
}

.thank-you::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-hero);
    opacity: 0.9;
}

.thank-you-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 560px;
    padding: var(--space-8);
}

.thank-you-icon {
    width: 64px;
    height: 64px;
    background: var(--gradient-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-6);
    color: var(--color-text-inverse);
}

.thank-you h1 {
    font-family: var(--font-display);
    font-size: var(--text-3xl);
    font-weight: 600;
    color: var(--color-text-inverse);
    margin-bottom: var(--space-4);
}

.thank-you p {
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: var(--space-6);
    line-height: 1.7;
}

.thank-you .btn-primary {
    background: var(--color-text-inverse);
    color: var(--color-text);
}

.thank-you .btn-primary:hover {
    background: var(--color-accent-light);
    color: var(--color-text-inverse);
}

/* ============================================
   Learn More Section
   ============================================ */
.learn-more-card {
    max-width: 720px;
    margin: 0 auto;
    background: var(--color-bg-dark);
    border-radius: 20px;
    padding: var(--space-12);
    position: relative;
    overflow: hidden;
}

.learn-more-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-hero);
    opacity: 0.5;
}

.learn-more-content {
    position: relative;
    z-index: 1;
}

.learn-more-content h3 {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: 600;
    color: var(--color-text-inverse);
    margin-bottom: var(--space-4);
    line-height: 1.3;
}

.learn-more-content p {
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: var(--space-6);
    line-height: 1.7;
    font-size: var(--text-base);
}

.learn-more-content .btn-primary {
    background: var(--color-text-inverse);
    color: var(--color-text);
}

.learn-more-content .btn-primary:hover {
    background: var(--color-accent-light);
    color: var(--color-text-inverse);
}

/* ============================================
   Contact Section
   ============================================ */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: start;
}

.contact-content p {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-6);
    line-height: 1.8;
}

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

.benefit {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--text-sm);
    color: var(--color-text);
    font-weight: 500;
}

.benefit svg {
    color: var(--color-accent);
    flex-shrink: 0;
}

/* Form */
.contact-form-wrapper {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    padding: var(--space-8);
    box-shadow: var(--shadow-lg);
}

.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: var(--text-sm);
    font-weight: 500;
    color: var(--color-text);
}

.form-group input,
.form-group textarea {
    padding: var(--space-3) var(--space-4);
    border: 1.5px solid var(--color-border);
    border-radius: 10px;
    font-family: var(--font-primary);
    font-size: var(--text-base);
    color: var(--color-text);
    background: var(--color-bg);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-glow);
}

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

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.form-note {
    text-align: center;
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    margin-top: var(--space-2);
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--color-bg-dark);
    color: var(--color-text-inverse);
    padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--space-16);
    margin-bottom: var(--space-12);
}

.footer-brand .logo {
    margin-bottom: var(--space-4);
    color: var(--color-text-inverse);
}

.footer-brand p {
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.5);
    max-width: 320px;
    line-height: 1.7;
}

.footer-links {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
}

.footer-column h4 {
    font-size: var(--text-sm);
    font-weight: 600;
    margin-bottom: var(--space-4);
    color: var(--color-text-inverse);
}

.footer-column a {
    display: block;
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: var(--space-3);
    transition: color var(--transition-fast);
}

.footer-column a:hover {
    color: var(--color-text-inverse);
}

.footer-bottom {
    border-top: 1px solid var(--color-border-dark);
    padding-top: var(--space-6);
    display: flex;
    justify-content: space-between;
    font-size: var(--text-xs);
    color: rgba(255, 255, 255, 0.3);
}

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

.animate-in {
    animation: fadeInUp 0.8s ease forwards;
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1024px) {
    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--space-12);
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .problem-grid,
    .results-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--color-bg);
        flex-direction: column;
        padding: var(--space-6);
        gap: var(--space-4);
        border-bottom: 1px solid var(--color-border);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .problem-grid,
    .results-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-2);
        text-align: center;
    }
    
    .section {
        padding: var(--space-16) 0;
    }
}

/* ============================================
   Scroll Animations
   ============================================ */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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