/* ==========================================
   Alpha Engine - Premium Visual Design
   Enhanced with modern aesthetics
   ========================================== */

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

:root {
    /* Black & White Color Palette */
    --black: #000000;
    --dark: #0a0a0a;
    --dark-grey: #1a1a1a;
    --grey: #2a2a2a;
    --light-grey: #3a3a3a;
    --white: #ffffff;
    --off-white: #f5f5f5;
    --text-white: #ffffff;
    --text-light: #cccccc;
    --text-muted: #999999;
    --border: rgba(255, 255, 255, 0.1);
    --border-light: rgba(255, 255, 255, 0.05);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    --spacing-4xl: 8rem;
    
    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Effects */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.6);
    --glow-white: 0 0 40px rgba(255, 255, 255, 0.15);
    --glow-white-strong: 0 0 60px rgba(255, 255, 255, 0.25);
    
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: var(--font-sans);
    background: var(--black);
    color: var(--text-white);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Geometric Background Pattern */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    z-index: 0;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    position: relative;
    z-index: 1;
}

/* ==========================================
   Navigation
   ========================================== */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    transition: var(--transition-base);
}

.nav::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3) 50%, transparent);
    opacity: 0;
    transition: var(--transition-base);
}

.nav.scrolled {
    background: rgba(0, 0, 0, 0.95);
    box-shadow: var(--shadow-xl);
}

.nav.scrolled::after {
    opacity: 1;
}

.nav-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-white);
    text-decoration: none;
    transition: var(--transition-base);
}

.logo:hover {
    transform: translateY(-2px);
    filter: drop-shadow(var(--glow-white));
}

.logo-img {
    width: 36px;
    height: 36px;
    transition: var(--transition-base);
}

.logo:hover .logo-img {
    transform: rotate(5deg) scale(1.1);
}

.logo-text {
    color: var(--white);
}

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

.nav-link {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.938rem;
    transition: var(--transition-fast);
    position: relative;
    padding: 8px 0;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--white);
    box-shadow: var(--glow-white);
    transition: var(--transition-base);
}

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

.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(--white);
    transition: var(--transition-base);
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.98);
    backdrop-filter: blur(20px);
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    gap: var(--spacing-md);
    z-index: 999;
}

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

.mobile-link {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 500;
    padding: var(--spacing-sm) 0;
    transition: var(--transition-fast);
}

.mobile-link:hover {
    color: var(--white);
}

.mobile-cta {
    margin-top: var(--spacing-sm);
}

/* ==========================================
   Buttons
   ========================================== */

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.75rem 1.5rem;
    font-size: 0.938rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 0;
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
    font-family: var(--font-sans);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: var(--white);
    color: var(--black);
    border: 2px solid var(--white);
}

.btn-primary:hover {
    background: transparent;
    color: var(--white);
    box-shadow: var(--glow-white);
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

.btn-secondary:hover {
    background: var(--white);
    color: var(--black);
    box-shadow: var(--glow-white);
    transform: translateY(-2px);
}

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

.btn-glow:hover {
    box-shadow: var(--glow-white-strong);
}

/* ==========================================
   Hero Section
   ========================================== */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 80px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(255, 255, 255, 0.03) 0%, transparent 50%);
    z-index: 0;
}

/* Animated geometric shapes */
.hero-background::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 800px;
    height: 800px;
    border: 1px solid rgba(255, 255, 255, 0.03);
    border-radius: 50%;
    animation: float 20s ease-in-out infinite;
}

.hero-background::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -5%;
    width: 600px;
    height: 600px;
    border: 1px solid rgba(255, 255, 255, 0.02);
    animation: float 15s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    25% { transform: translate(20px, 20px) rotate(5deg); }
    50% { transform: translate(0, 40px) rotate(10deg); }
    75% { transform: translate(-20px, 20px) rotate(5deg); }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    animation: fadeInUp 0.8s ease-out;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 5rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: var(--spacing-lg);
    letter-spacing: -0.03em;
    color: var(--white);
    text-shadow: var(--glow-white);
    background: linear-gradient(180deg, #ffffff 0%, #cccccc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: clamp(1.125rem, 2vw, 1.375rem);
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto var(--spacing-2xl);
    line-height: 1.7;
    font-weight: 400;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* ==========================================
   Future Section
   ========================================== */

.future-section {
    padding: var(--spacing-4xl) 0;
    background: var(--black);
    position: relative;
}

.future-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2) 50%, transparent);
}

.future-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--spacing-lg);
    letter-spacing: -0.02em;
    background: linear-gradient(180deg, #ffffff 0%, #999999 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.future-description {
    font-size: 1.125rem;
    color: var(--text-light);
    line-height: 1.8;
}

.future-visual {
    position: relative;
}

.future-visual::before {
    content: '';
    position: absolute;
    inset: -20px;
    background: radial-gradient(circle at center, rgba(255, 255, 255, 0.05), transparent 70%);
    z-index: 0;
    animation: pulse 4s ease-in-out infinite;
}

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

.future-image {
    width: 100%;
    height: auto;
    border: 1px solid var(--border);
    position: relative;
    z-index: 1;
    transition: var(--transition-slow);
    box-shadow: var(--shadow-xl);
}

.future-image:hover {
    transform: scale(1.02);
    border-color: rgba(255, 255, 255, 0.3);
    box-shadow: var(--glow-white);
}

/* ==========================================
   Features Section
   ========================================== */

.features-section {
    padding: var(--spacing-4xl) 0;
    background: var(--dark);
    position: relative;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-2xl);
}

.feature-card {
    padding: var(--spacing-2xl);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.02) 0%, rgba(255, 255, 255, 0.005) 100%);
    border: 1px solid var(--border);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--white), transparent);
    transform: translateX(-100%);
    transition: var(--transition-slow);
}

.feature-card:hover::before {
    transform: translateX(100%);
}

.feature-card:hover {
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-8px);
    box-shadow: var(--glow-white);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.01) 100%);
}

.feature-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
    color: var(--white);
    transition: var(--transition-base);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
    filter: drop-shadow(var(--glow-white));
}

.feature-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--white);
}

.feature-description {
    color: var(--text-light);
    line-height: 1.7;
    font-size: 1rem;
}

/* ==========================================
   Problem Section
   ========================================== */

.problem-section {
    padding: var(--spacing-4xl) 0;
    background: var(--black);
    position: relative;
}

.problem-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2) 50%, transparent);
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-3xl);
}

.section-description {
    font-size: 1.125rem;
    color: var(--text-light);
    margin-top: var(--spacing-md);
}

.highlight-text {
    color: #eb4c44 !important;
    font-style: italic;
    position: relative;
    background: none !important;
    -webkit-background-clip: unset !important;
    -webkit-text-fill-color: #eb4c44 !important;
    background-clip: unset !important;
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-3xl);
}

.problem-card {
    padding: var(--spacing-2xl);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.02) 0%, transparent 100%);
    border: 1px solid var(--border);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.problem-card::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.03) 0%, transparent 70%);
    transition: var(--transition-slow);
}

.problem-card:hover::after {
    transform: scale(2);
}

.problem-card:hover {
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-8px);
    box-shadow: var(--glow-white);
}

.problem-number {
    font-size: 3rem;
    font-weight: 900;
    color: var(--text-muted);
    margin-bottom: var(--spacing-md);
    line-height: 1;
    transition: var(--transition-base);
}

.problem-card:hover .problem-number {
    color: var(--white);
    text-shadow: var(--glow-white);
}

.problem-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--white);
}

.problem-card p {
    color: var(--text-light);
    line-height: 1.7;
}

.problem-stat {
    max-width: 700px;
    margin: 0 auto;
    padding: var(--spacing-2xl);
    border: 2px solid var(--white);
    text-align: center;
    position: relative;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.03) 0%, transparent 100%);
    overflow: hidden;
}

.problem-stat::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.03), transparent);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
    100% { transform: translateX(100%) translateY(100%) rotate(45deg); }
}

.stat-large {
    font-size: 5rem;
    font-weight: 900;
    color: var(--white);
    line-height: 1;
    text-shadow: var(--glow-white);
    position: relative;
    z-index: 1;
}

.stat-text {
    font-size: 1.25rem;
    color: var(--text-light);
    margin: var(--spacing-md) 0;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 1;
}

.stat-cost {
    font-size: 2rem;
    font-weight: 700;
    color: var(--white);
    margin-top: var(--spacing-md);
}

/* ==========================================
   Workflow Section
   ========================================== */

.workflow-section {
    padding: var(--spacing-4xl) 0;
    background: var(--dark);
    position: relative;
}

.workflow-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.workflow-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.02) 0%, transparent 100%);
    border: 1px solid var(--border);
    overflow: hidden;
    transition: var(--transition-base);
    position: relative;
}

.workflow-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.05), transparent);
    transition: var(--transition-slow);
}

.workflow-card:hover::before {
    left: 100%;
}

.workflow-card:hover {
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-8px);
    box-shadow: var(--glow-white);
}

.workflow-image {
    width: 100%;
    aspect-ratio: 16/9;
    overflow: hidden;
    background: var(--dark-grey);
}

.workflow-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.workflow-card:hover .workflow-image img {
    transform: scale(1.05);
}

.workflow-content {
    padding: var(--spacing-xl);
}

.workflow-content h3 {
    font-size: 1.375rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--white);
}

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

/* ==========================================
   Demo Section
   ========================================== */

.demo-section {
    padding: var(--spacing-4xl) 0;
    background: var(--black);
    position: relative;
}

.demo-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2) 50%, transparent);
}

.demo-container {
    max-width: 1000px;
    margin: 0 auto;
}

.video-wrapper {
    position: relative;
    overflow: hidden;
    border: 1px solid var(--border);
    background: var(--dark);
    transition: var(--transition-base);
}

.video-wrapper::before {
    content: '';
    position: absolute;
    inset: -2px;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    opacity: 0;
    transition: var(--transition-base);
    pointer-events: none;
}

.video-wrapper:hover::before {
    opacity: 1;
    animation: borderRotate 3s linear infinite;
}

@keyframes borderRotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.video-wrapper:hover {
    box-shadow: var(--glow-white);
}

.demo-video {
    width: 100%;
    height: auto;
    display: block;
    position: relative;
    z-index: 1;
}

/* ==========================================
   How It Works Section
   ========================================== */

.how-it-works-section {
    padding: var(--spacing-4xl) 0;
    background: var(--dark);
}

.steps-container {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 0;
}

.step {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: var(--spacing-2xl);
    padding: var(--spacing-2xl) 0;
    position: relative;
}

.step:hover .step-number {
    transform: scale(1.1);
    text-shadow: var(--glow-white);
}

.step-number {
    font-size: 4rem;
    font-weight: 900;
    color: var(--white);
    line-height: 1;
    transition: var(--transition-base);
    background: linear-gradient(180deg, #ffffff 0%, #666666 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.step-content h3 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--white);
}

.step-content p {
    color: var(--text-light);
    font-size: 1.063rem;
    line-height: 1.7;
}

.step-line {
    width: 2px;
    height: 60px;
    background: linear-gradient(180deg, var(--border), transparent);
    margin-left: 60px;
    position: relative;
}

.step-line::before {
    content: '';
    position: absolute;
    top: 0;
    left: -2px;
    width: 6px;
    height: 6px;
    background: var(--white);
    border-radius: 50%;
    box-shadow: var(--glow-white);
}

/* ==========================================
   CTA Section
   ========================================== */

.cta-section {
    padding: var(--spacing-4xl) 0;
    background: var(--black);
    position: relative;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2) 50%, transparent);
}

.cta-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    padding: var(--spacing-3xl);
    border: 2px solid var(--white);
    position: relative;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.03) 0%, transparent 100%);
    overflow: hidden;
}

.cta-content::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.05) 0%, transparent 60%);
    animation: rotate 10s linear infinite;
}

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

.cta-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--white);
    position: relative;
    z-index: 1;
}

.cta-description {
    font-size: 1.125rem;
    color: var(--text-light);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
    position: relative;
    z-index: 1;
}

.cta-note {
    margin-top: var(--spacing-lg);
    color: var(--text-muted);
    font-size: 0.938rem;
    position: relative;
    z-index: 1;
}

/* ==========================================
   Footer
   ========================================== */

.footer {
    padding: var(--spacing-xl) 0;
    background: var(--black);
    border-top: 1px solid var(--border);
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: -1px;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3) 50%, transparent);
}

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

.footer-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.footer-logo {
    width: 32px;
    height: 32px;
}

.footer-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--white);
}

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

/* ==========================================
   Animations
   ========================================== */

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

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

@media (max-width: 1024px) {
    .future-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .features-grid,
    .problem-grid,
    .workflow-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .step {
        grid-template-columns: 80px 1fr;
        gap: var(--spacing-md);
        padding: var(--spacing-md) 0;
    }
    
    .step-number {
        font-size: 2.5rem;
    }
    
    .step-line {
        margin-left: 40px;
    }
    
    .cta-content {
        padding: var(--spacing-xl) var(--spacing-lg);
    }
    
    .footer-content {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .hero {
        min-height: 90vh;
    }
    
    .btn-large {
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
        width: 100%;
        justify-content: center;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .stat-large {
        font-size: 3.5rem;
    }
    
    .stat-cost {
        font-size: 1.5rem;
    }
    
    .feature-card,
    .problem-card,
    .workflow-content {
        padding: var(--spacing-lg);
    }
}

/* ==========================================
   Accessibility
   ========================================== */

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

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