/* ==========================================
   CROWN PRIME LTD - Stylesheet
   Modern, Professional Design
   ========================================== */

/* ==========================================
   CSS Variables & Base Styles
   ========================================== */
:root {
    /* Color Palette - Corporate Blue & Grey */
    --primary-color: #1e40af;
    --primary-dark: #1e3a8a;
    --primary-light: #3b82f6;
    --secondary-color: #64748b;
    --accent-color: #0ea5e9;
    --accent-gold: #f59e0b;
    
    /* Neutral Colors */
    --dark-bg: #0f172a;
    --dark-bg-secondary: #1e293b;
    --light-bg: #f8fafc;
    --white: #ffffff;
    --grey-100: #f1f5f9;
    --grey-200: #e2e8f0;
    --grey-300: #cbd5e1;
    --grey-600: #475569;
    --grey-800: #1e293b;
    
    /* Typography */
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Spacing */
    --section-padding: 100px;
    --container-max-width: 1200px;
    
    /* Transitions */
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.2);
}

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

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

body {
    font-family: var(--font-main);
    line-height: 1.6;
    color: var(--grey-800);
    background-color: var(--white);
    overflow-x: hidden;
}

.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* ==========================================
   Typography
   ========================================== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.25rem; }

p {
    margin-bottom: 1rem;
    color: var(--grey-600);
}

.lead-text {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--grey-800);
    margin-bottom: 1.5rem;
}

/* ==========================================
   Navigation
   ========================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition-smooth);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-color);
    text-decoration: none;
}

.logo-icon {
    font-size: 1.75rem;
}

.logo-text {
    letter-spacing: -0.5px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--grey-600);
    font-weight: 500;
    transition: var(--transition-smooth);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition-smooth);
}

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

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

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.mobile-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--primary-color);
    border-radius: 3px;
    transition: var(--transition-smooth);
}

/* ==========================================
   Hero Section
   ========================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--dark-bg) 0%, var(--dark-bg-secondary) 100%);
    color: var(--white);
    overflow: hidden;
    padding-top: 80px;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.gradient-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, 
        rgba(30, 64, 175, 0.3) 0%, 
        rgba(14, 165, 233, 0.2) 50%,
        rgba(30, 41, 59, 0.4) 100%);
    z-index: 2;
}

.animated-shapes {
    position: absolute;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.1;
    animation: float 20s infinite ease-in-out;
}

.shape-1 {
    width: 500px;
    height: 500px;
    background: linear-gradient(135deg, var(--primary-light), var(--accent-color));
    top: -10%;
    right: -10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, var(--accent-color), var(--accent-gold));
    bottom: -10%;
    left: -5%;
    animation-delay: 5s;
}

.shape-3 {
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: 10s;
}

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

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    max-width: 900px;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.1;
    animation: fadeInUp 1s ease-out;
}

.gradient-text {
    background: linear-gradient(135deg, var(--accent-color), var(--accent-gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--grey-300);
    margin-bottom: 2.5rem;
    line-height: 1.8;
    animation: fadeInUp 1s ease-out 0.2s both;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 4rem;
    animation: fadeInUp 1s ease-out 0.4s both;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 8px;
    transition: var(--transition-smooth);
    border: 2px solid transparent;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--white);
}

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

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

.btn-secondary:hover {
    background-color: var(--white);
    color: var(--primary-color);
    transform: translateY(-2px);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary-color);
    border-color: var(--primary-color);
    padding: 0.75rem 1.5rem;
}

.btn-outline:hover {
    background-color: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    animation: fadeInUp 1s ease-out 0.6s both;
}

.stat {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition-smooth);
}

.stat:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-5px);
}

.stat-icon {
    font-size: 2rem;
    color: var(--accent-color);
}

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

.stat-number {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--grey-300);
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    animation: bounce 2s infinite;
}

.scroll-indicator a {
    color: var(--white);
    font-size: 2rem;
    text-decoration: none;
    opacity: 0.7;
    transition: var(--transition-smooth);
}

.scroll-indicator a:hover {
    opacity: 1;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

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

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

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--grey-800);
    margin-bottom: 1rem;
}

.section-underline {
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    margin: 0 auto 1.5rem;
    border-radius: 2px;
}

.section-description {
    font-size: 1.125rem;
    color: var(--grey-600);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.8;
}

/* ==========================================
   About Section
   ========================================== */
.about {
    background-color: var(--white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.about-text p {
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.company-info-box {
    background: linear-gradient(135deg, var(--grey-100), var(--grey-200));
    padding: 2rem;
    border-radius: 12px;
    margin-top: 2rem;
    border-left: 4px solid var(--primary-color);
}

.info-item {
    display: flex;
    justify-content: space-between;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--grey-300);
}

.info-item:last-child {
    border-bottom: none;
}

.info-label {
    font-weight: 600;
    color: var(--grey-800);
}

.info-value {
    color: var(--grey-600);
    text-align: right;
}

.status-active {
    color: #10b981;
    font-weight: 700;
}

.about-visual {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.visual-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--grey-200);
    transition: var(--transition-smooth);
}

.visual-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.visual-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    border-radius: 12px;
    margin-bottom: 1rem;
}

.visual-card h3 {
    color: var(--grey-800);
    margin-bottom: 1rem;
}

.visual-card p {
    color: var(--grey-600);
    line-height: 1.7;
}

/* ==========================================
   Focus Section
   ========================================== */
.focus {
    background: linear-gradient(135deg, var(--light-bg), var(--grey-100));
}

.focus-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-bottom: 4rem;
}

.focus-card {
    background: var(--white);
    padding: 3rem;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
    transition: var(--transition-smooth);
}

.focus-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
}

.focus-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.focus-number {
    position: absolute;
    top: 2rem;
    right: 2rem;
    font-size: 4rem;
    font-weight: 800;
    color: var(--grey-200);
    z-index: 1;
}

.focus-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    border-radius: 16px;
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 2;
}

.focus-title {
    font-size: 1.75rem;
    color: var(--grey-800);
    margin-bottom: 1rem;
    position: relative;
    z-index: 2;
}

.focus-description {
    color: var(--grey-600);
    margin-bottom: 2rem;
    line-height: 1.8;
    position: relative;
    z-index: 2;
}

.focus-features {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--grey-600);
}

.feature-item i {
    color: var(--accent-color);
    font-size: 1.25rem;
    flex-shrink: 0;
}

.ai-capabilities {
    margin-top: 3rem;
    padding: 3rem;
    background: var(--white);
    border-radius: 16px;
    box-shadow: var(--shadow-md);
}

.capabilities-title {
    text-align: center;
    font-size: 2rem;
    color: var(--grey-800);
    margin-bottom: 2rem;
}

.capabilities-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.capability-card {
    text-align: center;
    padding: 2rem;
    background: var(--light-bg);
    border-radius: 12px;
    transition: var(--transition-smooth);
}

.capability-card:hover {
    background: var(--grey-100);
    transform: translateY(-5px);
}

.capability-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    border-radius: 12px;
    margin: 0 auto 1.5rem;
}

.capability-card h4 {
    color: var(--grey-800);
    margin-bottom: 0.75rem;
}

.capability-card p {
    font-size: 0.95rem;
    color: var(--grey-600);
    line-height: 1.6;
}

/* ==========================================
   Approach Section
   ========================================== */
.approach {
    background-color: var(--white);
}

.approach-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-bottom: 4rem;
}

.approach-card {
    background: var(--light-bg);
    padding: 2.5rem;
    border-radius: 12px;
    transition: var(--transition-smooth);
    border: 2px solid transparent;
}

.approach-card:hover {
    background: var(--white);
    border-color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.approach-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    border-radius: 12px;
    margin-bottom: 1.5rem;
}

.approach-card h3 {
    color: var(--grey-800);
    margin-bottom: 1rem;
}

.approach-card p {
    color: var(--grey-600);
    line-height: 1.7;
}

.values-section {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    padding: 3rem;
    border-radius: 16px;
    text-align: center;
}

.values-title {
    color: var(--white);
    font-size: 2rem;
    margin-bottom: 2rem;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.value-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.value-icon {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    border-radius: 12px;
    transition: var(--transition-smooth);
}

.value-item:hover .value-icon {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

.value-item h4 {
    color: var(--white);
    font-size: 1.125rem;
}

/* ==========================================
   Contact Section
   ========================================== */
.contact {
    background: linear-gradient(135deg, var(--light-bg), var(--grey-100));
}

.contact-content {
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-bottom: 3rem;
}

.contact-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition-smooth);
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.contact-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    border-radius: 12px;
    margin: 0 auto 1.5rem;
}

.contact-card h3 {
    color: var(--grey-800);
    margin-bottom: 1rem;
}

.contact-card p {
    color: var(--grey-600);
    line-height: 1.8;
    margin-bottom: 1rem;
}

.status-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background-color: #d1fae5;
    color: #065f46;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.875rem;
}

.contact-cta {
    background: var(--white);
    padding: 3rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow-md);
}

.contact-cta h3 {
    color: var(--grey-800);
    font-size: 2rem;
    margin-bottom: 1rem;
}

.contact-cta p {
    color: var(--grey-600);
    font-size: 1.125rem;
    line-height: 1.8;
    max-width: 700px;
    margin: 0 auto 2rem;
}

.email-link {
    display: inline-block;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary-color);
    text-decoration: none;
    padding: 0.5rem 0;
    border-bottom: 2px solid var(--primary-color);
    transition: var(--transition-smooth);
}

.email-link:hover {
    color: var(--accent-color);
    border-bottom-color: var(--accent-color);
    transform: translateY(-2px);
}

/* ==========================================
   Footer
   ========================================== */
.footer {
    background-color: var(--dark-bg);
    color: var(--grey-300);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h4 {
    color: var(--white);
    margin-bottom: 1.5rem;
    font-size: 1.125rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 1rem;
}

.footer-description {
    color: var(--grey-300);
    line-height: 1.7;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: var(--grey-300);
    text-decoration: none;
    transition: var(--transition-smooth);
}

.footer-links a:hover {
    color: var(--accent-color);
    padding-left: 5px;
}

.footer-address {
    color: var(--grey-300);
    line-height: 1.8;
}

.footer-bottom {
    border-top: 1px solid var(--grey-800);
    padding-top: 2rem;
    text-align: center;
}

.footer-bottom p {
    color: var(--grey-300);
    font-size: 0.9rem;
}

/* ==========================================
   Scroll to Top Button
   ========================================== */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--white);
    border: none;
    border-radius: 50%;
    font-size: 1.25rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-lg);
    z-index: 999;
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

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

/* Tablet */
@media (max-width: 992px) {
    :root {
        --section-padding: 80px;
    }
    
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .focus-grid {
        grid-template-columns: 1fr;
    }
    
    .capabilities-grid {
        grid-template-columns: 1fr;
    }
    
    .approach-grid {
        grid-template-columns: 1fr;
    }
    
    .values-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-info {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
    }
}

/* Mobile */
@media (max-width: 768px) {
    :root {
        --section-padding: 60px;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: var(--white);
        flex-direction: column;
        padding: 2rem;
        box-shadow: var(--shadow-lg);
        transition: var(--transition-smooth);
        align-items: flex-start;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .mobile-toggle {
        display: flex;
    }
    
    .mobile-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .mobile-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .hero {
        min-height: auto;
        padding: 120px 0 80px;
    }
    
    .hero-title {
        font-size: 2.25rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
    }
    
    .values-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .shape-1,
    .shape-2,
    .shape-3 {
        width: 200px;
        height: 200px;
    }
    
    .scroll-to-top {
        width: 45px;
        height: 45px;
        bottom: 20px;
        right: 20px;
    }
}

@media (max-width: 480px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    
    .container {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .contact-info {
        grid-template-columns: 1fr;
    }
    
    .focus-card,
    .approach-card,
    .contact-card {
        padding: 1.5rem;
    }
    
    .ai-capabilities {
        padding: 2rem;
    }
}