/* ============================================
   NIKHIL MALIK - GOOGLE ADS EXPERT
   Modern Professional Website Styles
   ============================================ */

/* CSS Variables - Google Brand Colors */
:root {
    /* Google Brand Colors */
    --google-blue: #4285F4;
    --google-red: #EA4335;
    --google-yellow: #FBBC05;
    --google-green: #34A853;
    
    /* Extended Palette */
    --primary: #4285F4;
    --primary-dark: #1a73e8;
    --primary-light: #8ab4f8;
    --accent: #EA4335;
    --success: #34A853;
    --warning: #FBBC05;
    
    /* Neutrals */
    --dark: #202124;
    --dark-secondary: #3c4043;
    --gray: #5f6368;
    --gray-light: #dadce0;
    --light: #f8f9fa;
    --white: #ffffff;
    
    /* Typography */
    --font-display: 'DM Serif Display', serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
    
    /* Spacing */
    --section-padding: 120px;
    --container-width: 1200px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(60, 64, 67, 0.1);
    --shadow-md: 0 4px 12px rgba(60, 64, 67, 0.15);
    --shadow-lg: 0 8px 24px rgba(60, 64, 67, 0.2);
    --shadow-xl: 0 16px 48px rgba(60, 64, 67, 0.25);
}

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

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

body {
    font-family: var(--font-body);
    font-weight: 400;
    line-height: 1.6;
    color: var(--dark);
    background-color: var(--white);
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

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

/* Typography */
h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 400;
    line-height: 1.2;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.125rem, 2vw, 1.25rem); }

p {
    margin-bottom: 1rem;
}

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

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--gray-light);
    transition: var(--transition-medium);
}

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

.nav-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 1.25rem;
}

.logo-g {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--google-blue), var(--google-red));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-family: var(--font-display);
    font-size: 1.5rem;
}

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

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

.nav-links a {
    color: var(--gray);
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition-fast);
}

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

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

.nav-cta {
    background: var(--primary);
    color: white !important;
    padding: 10px 24px;
    border-radius: 50px;
    font-weight: 600 !important;
}

.nav-cta::after {
    display: none !important;
}

.nav-cta:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-btn span {
    width: 25px;
    height: 2px;
    background: var(--dark);
    transition: var(--transition-fast);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 120px 24px 80px;
    overflow: hidden;
    background: linear-gradient(135deg, #f8f9fa 0%, #e8f0fe 50%, #fce8e6 100%);
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
}

/* Google Login Interface Aesthetic Elements */
.floating-element {
    position: absolute;
    border-radius: 16px;
    opacity: 0.6;
    animation: float 6s ease-in-out infinite;
}

.fe-1 {
    width: 300px;
    height: 200px;
    background: linear-gradient(135deg, rgba(66, 133, 244, 0.1), rgba(66, 133, 244, 0.05));
    border: 1px solid rgba(66, 133, 244, 0.2);
    top: 10%;
    right: 5%;
    animation-delay: 0s;
}

.fe-2 {
    width: 250px;
    height: 150px;
    background: linear-gradient(135deg, rgba(234, 67, 53, 0.1), rgba(234, 67, 53, 0.05));
    border: 1px solid rgba(234, 67, 53, 0.2);
    bottom: 20%;
    left: 5%;
    animation-delay: 2s;
}

.fe-3 {
    width: 180px;
    height: 180px;
    background: linear-gradient(135deg, rgba(251, 188, 5, 0.1), rgba(251, 188, 5, 0.05));
    border: 1px solid rgba(251, 188, 5, 0.2);
    top: 40%;
    left: 15%;
    border-radius: 50%;
    animation-delay: 4s;
}

.fe-4 {
    width: 220px;
    height: 120px;
    background: linear-gradient(135deg, rgba(52, 168, 83, 0.1), rgba(52, 168, 83, 0.05));
    border: 1px solid rgba(52, 168, 83, 0.2);
    bottom: 30%;
    right: 15%;
    animation-delay: 1s;
}

.grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(66, 133, 244, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(66, 133, 244, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(2deg); }
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    max-width: 900px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid var(--gray-light);
    padding: 10px 20px;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray);
    margin-bottom: 32px;
    box-shadow: var(--shadow-sm);
}

.badge-icon {
    color: var(--warning);
}

.hero-title {
    margin-bottom: 24px;
    color: var(--dark);
}

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

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--gray);
    max-width: 600px;
    margin: 0 auto 40px;
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 60px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 16px 32px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition-medium);
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--google-blue), var(--primary-dark));
    color: white;
    box-shadow: 0 4px 14px rgba(66, 133, 244, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(66, 133, 244, 0.5);
}

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

.btn-secondary:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-3px);
}

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

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    flex-wrap: wrap;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 8px;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--gray);
    font-weight: 500;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    color: var(--gray);
    font-size: 0.875rem;
    animation: bounce 2s infinite;
}

.mouse {
    width: 24px;
    height: 40px;
    border: 2px solid var(--gray);
    border-radius: 12px;
    position: relative;
}

.wheel {
    width: 4px;
    height: 8px;
    background: var(--gray);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll 1.5s infinite;
}

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

@keyframes scroll {
    0% { opacity: 1; top: 8px; }
    100% { opacity: 0; top: 20px; }
}

/* ============================================
   SECTION STYLES
   ============================================ */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header.light {
    color: white;
}

.section-header.light .section-tag,
.section-header.light .section-subtitle {
    color: rgba(255, 255, 255, 0.7);
}

.section-tag {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--primary);
    margin-bottom: 16px;
}

.section-title {
    margin-bottom: 16px;
    color: var(--dark);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--gray);
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about {
    padding: var(--section-padding) 0;
    background: var(--white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.lead-text {
    font-size: 1.25rem;
    color: var(--dark);
    line-height: 1.7;
    margin-bottom: 24px;
}

.about-text p {
    color: var(--gray);
    margin-bottom: 20px;
}

.about-highlights {
    margin-top: 40px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.highlight {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.highlight-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.highlight-icon svg {
    width: 24px;
    height: 24px;
    color: white;
}

.highlight-content h4 {
    margin-bottom: 4px;
    color: var(--dark);
}

.highlight-content p {
    color: var(--gray);
    font-size: 0.95rem;
    margin: 0;
}

.about-visual {
    display: flex;
    justify-content: center;
}

.experience-card {
    background: white;
    border-radius: 24px;
    padding: 32px;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--gray-light);
    width: 100%;
    max-width: 400px;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--gray-light);
}

.card-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.card-badge {
    background: var(--success);
    color: white;
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
}

.exp-item {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
}

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

.exp-dot {
    width: 12px;
    height: 12px;
    background: var(--success);
    border-radius: 50%;
    margin-top: 6px;
    flex-shrink: 0;
    box-shadow: 0 0 0 4px rgba(52, 168, 83, 0.2);
}

.exp-dot.past {
    background: var(--gray-light);
    box-shadow: 0 0 0 4px rgba(218, 220, 224, 0.5);
}

.exp-content h4 {
    margin-bottom: 4px;
    color: var(--dark);
}

.exp-content p {
    color: var(--gray);
    font-size: 0.95rem;
    margin-bottom: 4px;
}

.exp-date {
    font-size: 0.875rem;
    color: var(--primary);
    font-weight: 500;
}

/* ============================================
   EXPERIENCE SECTION
   ============================================ */
.experience {
    padding: var(--section-padding) 0;
    background: linear-gradient(135deg, var(--dark) 0%, var(--dark-secondary) 100%);
    position: relative;
    overflow: hidden;
}

.experience::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(66, 133, 244, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(234, 67, 53, 0.1) 0%, transparent 50%);
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 40px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--google-blue), var(--google-red));
}

.timeline-item {
    position: relative;
    padding-left: 100px;
    margin-bottom: 60px;
}

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

.timeline-marker {
    position: absolute;
    left: 0;
    top: 0;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.marker-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--google-blue), var(--google-red));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    box-shadow: 0 4px 20px rgba(66, 133, 244, 0.4);
}

.timeline-content {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 32px;
}

.timeline-header {
    margin-bottom: 20px;
}

.timeline-header h3 {
    color: white;
    margin-bottom: 8px;
}

.timeline-company {
    display: block;
    color: var(--primary-light);
    font-weight: 600;
    margin-bottom: 4px;
}

.timeline-date {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
}

.timeline-body ul {
    margin-bottom: 20px;
}

.timeline-body li {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 12px;
    padding-left: 24px;
    position: relative;
    line-height: 1.6;
}

.timeline-body li::before {
    content: '\2713';
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: 700;
}

.timeline-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag {
    background: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.9);
    padding: 6px 14px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* ============================================
   SERVICES SECTION
   ============================================ */
.services {
    padding: var(--section-padding) 0;
    background: var(--light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.service-card {
    background: white;
    border-radius: 20px;
    padding: 32px;
    border: 1px solid var(--gray-light);
    transition: var(--transition-medium);
    position: relative;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-light);
}

.service-card.featured {
    border-color: var(--primary);
    background: linear-gradient(135deg, white, #f8f9fa);
}

.service-badge {
    position: absolute;
    top: -12px;
    right: 24px;
    background: linear-gradient(135deg, var(--google-red), var(--accent));
    color: white;
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.service-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.service-icon svg {
    width: 32px;
    height: 32px;
    color: white;
}

.service-card h3 {
    margin-bottom: 12px;
    color: var(--dark);
}

.service-card > p {
    color: var(--gray);
    margin-bottom: 20px;
    line-height: 1.6;
}

.service-list {
    margin-top: 20px;
}

.service-list li {
    color: var(--gray);
    padding: 8px 0;
    padding-left: 24px;
    position: relative;
    font-size: 0.95rem;
}

.service-list li::before {
    content: '\2022';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: 700;
}

/* ============================================
   SKILLS SECTION
   ============================================ */
.skills {
    padding: var(--section-padding) 0;
    background: linear-gradient(135deg, var(--dark) 0%, #1a1a2e 100%);
    position: relative;
}

.skills::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 10% 20%, rgba(66, 133, 244, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(234, 67, 53, 0.15) 0%, transparent 40%);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 24px;
    position: relative;
    z-index: 1;
}

.skill-item {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    padding: 32px 24px;
    text-align: center;
    transition: var(--transition-medium);
}

.skill-item:hover {
    transform: translateY(-4px);
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

.skill-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 16px;
    background: linear-gradient(135deg, var(--google-blue), var(--google-red));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.skill-icon svg {
    width: 28px;
    height: 28px;
    color: white;
}

.skill-name {
    color: white;
    font-weight: 600;
    font-size: 1rem;
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact {
    padding: var(--section-padding) 0;
    background: var(--white);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

.contact-info .section-header {
    text-align: left;
    margin-bottom: 40px;
}

.contact-info .section-title {
    font-size: clamp(2rem, 4vw, 2.5rem);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon svg {
    width: 24px;
    height: 24px;
    color: white;
}

.contact-text {
    display: flex;
    flex-direction: column;
}

.contact-label {
    font-size: 0.875rem;
    color: var(--gray);
    margin-bottom: 4px;
}

.contact-text a,
.contact-text span:last-child {
    color: var(--dark);
    font-weight: 600;
    font-size: 1.1rem;
}

.contact-text a:hover {
    color: var(--primary);
}

.contact-form-wrapper {
    background: var(--light);
    border-radius: 24px;
    padding: 40px;
    border: 1px solid var(--gray-light);
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--dark);
    font-size: 0.95rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid var(--gray-light);
    border-radius: 12px;
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition-fast);
    background: white;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(66, 133, 244, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--dark);
    color: white;
    padding: 80px 0 40px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand .logo {
    margin-bottom: 16px;
}

.footer-brand .logo-text {
    color: white;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    max-width: 300px;
}

.footer-col h4 {
    color: white;
    margin-bottom: 20px;
    font-size: 1rem;
}

.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-col a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
}

.footer-col a:hover {
    color: var(--primary-light);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
    margin: 0;
}

.footer-tagline {
    color: var(--primary-light) !important;
    font-weight: 600;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1024px) {
    .about-content,
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .about-visual {
        order: -1;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 80px;
    }
    
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 24px;
        gap: 16px;
        box-shadow: var(--shadow-lg);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero-stats {
        gap: 30px;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .timeline::before {
        left: 20px;
    }
    
    .timeline-item {
        padding-left: 60px;
    }
    
    .timeline-marker {
        width: 50px;
        height: 50px;
    }
    
    .marker-icon {
        width: 40px;
        height: 40px;
        font-size: 1.25rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-cta {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 24px;
    }
    
    .contact-form-wrapper {
        padding: 24px;
    }
}

/* ============================================
   ANIMATIONS
   ============================================ */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Smooth scroll offset for fixed nav */
section[id] {
    scroll-margin-top: 80px;
}