/* ============================================
   HYDRALIFE - Premium Water Solutions
   Main Stylesheet
   ============================================ */

/* ============================================
   CSS VARIABLES
   ============================================ */
:root {
    /* Colors */
    --primary: #0056b8;
    --primary-dark: #003d82;
    --primary-light: #0070e0;
    --secondary: #00a8e8;
    --accent: #00d4ff;
    --white: #ffffff;
    --light-gray: #f8f9fa;
    --gray: #6c757d;
    --dark: #1a1a2e;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #0056b8 0%, #00a8e8 100%);
    --gradient-ice: linear-gradient(135deg, #e0f7ff 0%, #b3e5fc 50%, #81d4fa 100%);
    --gradient-hero: linear-gradient(135deg, rgba(0, 86, 184, 0.9) 0%, rgba(0, 168, 232, 0.8) 100%);
    --gradient-dark: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);

    /* Typography */
    --font-primary: 'Poppins', sans-serif;
    --font-secondary: 'Montserrat', sans-serif;

    /* Spacing */
    --section-padding: 100px 0;
    --container-width: 1200px;

    /* Effects */
    --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 5px 30px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 10px 50px rgba(0, 0, 0, 0.2);
    --shadow-glow: 0 0 30px rgba(0, 168, 232, 0.3);

    /* Transitions */
    --transition-fast: 0.3s ease;
    --transition-medium: 0.5s ease;
    --transition-slow: 0.8s ease;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 15px;
    --radius-lg: 25px;
    --radius-full: 50px;
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-primary);
    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;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    outline: none;
}

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

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-secondary);
    font-weight: 700;
    line-height: 1.2;
    color: var(--dark);
}

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(1.25rem, 2vw, 1.5rem); }

p {
    color: var(--gray);
    font-size: 1.1rem;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    color: var(--primary);
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
}

.section-title p {
    max-width: 600px;
    margin: 20px auto 0;
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 15px 35px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    transition: var(--transition-fast);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: var(--transition-medium);
    z-index: -1;
}

.btn:hover::before {
    left: 100%;
}

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

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

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

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

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

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

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition-fast);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    padding: 15px 0;
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-logo img {
    height: 50px;
    width: auto;
}

.nav-logo-text {
    font-family: var(--font-secondary);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
    transition: var(--transition-fast);
}

.navbar.scrolled .nav-logo-text {
    color: var(--primary);
}

.nav-logo-text span {
    color: var(--secondary);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav-link {
    font-weight: 500;
    color: var(--white);
    position: relative;
    padding: 5px 0;
}

.navbar.scrolled .nav-link {
    color: var(--dark);
}

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

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

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

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

.nav-cta {
    padding: 10px 25px;
    background: var(--white);
    color: var(--primary);
    border-radius: var(--radius-full);
    font-weight: 600;
}

.navbar.scrolled .nav-cta {
    background: var(--gradient-primary);
    color: var(--white);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    z-index: 1001;
}

.nav-toggle span {
    width: 30px;
    height: 3px;
    background: var(--white);
    border-radius: var(--radius-full);
    transition: var(--transition-fast);
}

.navbar.scrolled .nav-toggle span {
    background: var(--primary);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    background: var(--gradient-primary);
}

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

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.3;
}

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

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--white);
    max-width: 900px;
    padding: 0 20px;
}

.hero-badge {
    display: inline-block;
    padding: 10px 25px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 25px;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.hero h1 {
    color: var(--white);
    margin-bottom: 20px;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
}

.hero h1 span {
    color: var(--accent);
}

.hero-tagline {
    font-size: 1.5rem;
    font-weight: 300;
    margin-bottom: 15px;
    opacity: 0.9;
}

.hero p {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    max-width: 700px;
    margin: 0 auto 40px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.hero-scroll a {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--white);
    font-size: 0.9rem;
    animation: bounce 2s infinite;
}

.hero-scroll i {
    font-size: 1.5rem;
}

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

/* ============================================
   PAGE HERO (For Inner Pages)
   ============================================ */
.page-hero {
    height: 50vh;
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: var(--gradient-primary);
    overflow: hidden;
}

.page-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" preserveAspectRatio="none"><circle cx="20" cy="30" r="15" fill="rgba(255,255,255,0.05)"/><circle cx="80" cy="70" r="20" fill="rgba(255,255,255,0.05)"/><circle cx="50" cy="50" r="25" fill="rgba(255,255,255,0.03)"/></svg>');
    background-size: cover;
}

.page-hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--white);
}

.page-hero h1 {
    color: var(--white);
    margin-bottom: 15px;
}

.page-hero p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.2rem;
}

.breadcrumb {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin-top: 20px;
    font-size: 0.95rem;
}

.breadcrumb a {
    color: rgba(255, 255, 255, 0.8);
}

.breadcrumb a:hover {
    color: var(--white);
}

.breadcrumb span {
    color: var(--accent);
}

/* ============================================
   FEATURES / WHY CHOOSE US
   ============================================ */
.features {
    padding: var(--section-padding);
    background: var(--light-gray);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: var(--radius-md);
    text-align: center;
    transition: var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: var(--transition-fast);
}

.feature-card:hover::before {
    transform: scaleX(1);
}

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

.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    background: var(--gradient-ice);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--primary);
    transition: var(--transition-fast);
}

.feature-card:hover .feature-icon {
    background: var(--gradient-primary);
    color: var(--white);
    transform: scale(1.1) rotate(5deg);
}

.feature-card h4 {
    margin-bottom: 15px;
    color: var(--dark);
}

.feature-card p {
    font-size: 1rem;
}

/* ============================================
   SERVICES PREVIEW
   ============================================ */
.services-preview {
    padding: var(--section-padding);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.service-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-fast);
}

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

.service-card-image {
    height: 300px;
    overflow: hidden;
}

.service-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-medium);
}

.service-card:hover .service-card-image img {
    transform: scale(1.1);
}

.service-card-content {
    padding: 30px;
    background: var(--white);
}

.service-card-content h3 {
    color: var(--primary);
    margin-bottom: 15px;
}

.service-card-content p {
    margin-bottom: 20px;
}

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

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-image {
    position: relative;
}

.about-image img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.about-image::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    width: 100%;
    height: 100%;
    border: 4px solid var(--secondary);
    border-radius: var(--radius-lg);
    z-index: -1;
}

.about-content h2 {
    color: var(--primary);
    margin-bottom: 20px;
}

.about-content p {
    margin-bottom: 20px;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 40px;
}

.stat-item {
    text-align: center;
    padding: 20px;
    background: var(--gradient-ice);
    border-radius: var(--radius-md);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
    display: block;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--gray);
}

/* ============================================
   MISSION & VISION
   ============================================ */
.mission-vision {
    padding: var(--section-padding);
    background: var(--light-gray);
}

.mv-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
}

.mv-card {
    background: var(--white);
    padding: 50px 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.mv-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
    background: var(--gradient-primary);
}

.mv-card h3 {
    color: var(--primary);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.mv-card h3 i {
    font-size: 2rem;
    color: var(--secondary);
}

/* ============================================
   CORE VALUES
   ============================================ */
.values-section {
    padding: var(--section-padding);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.value-card {
    text-align: center;
    padding: 40px 30px;
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-fast);
    border: 2px solid transparent;
}

.value-card:hover {
    border-color: var(--secondary);
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.value-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--white);
}

.value-card h4 {
    margin-bottom: 10px;
}

/* ============================================
   SERVICES PAGE
   ============================================ */
.service-detail {
    padding: var(--section-padding);
}

.service-detail:nth-child(even) {
    background: var(--light-gray);
}

.service-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.service-detail:nth-child(even) .service-detail-grid {
    direction: rtl;
}

.service-detail:nth-child(even) .service-detail-grid > * {
    direction: ltr;
}

.service-detail-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.service-detail-image img {
    width: 100%;
    height: auto;
    transition: var(--transition-medium);
}

.service-detail-image:hover img {
    transform: scale(1.05);
}

.service-detail-content h2 {
    color: var(--primary);
    margin-bottom: 20px;
}

.service-detail-content p {
    margin-bottom: 20px;
}

.service-highlights {
    margin: 30px 0;
}

.service-highlights li {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
    font-size: 1.05rem;
}

.service-highlights li i {
    color: var(--secondary);
    font-size: 1.2rem;
}

/* ============================================
   IMAGE GALLERY
   ============================================ */
.gallery-section {
    padding: var(--section-padding);
    background: var(--light-gray);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.gallery-item {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    aspect-ratio: 4/3;
    box-shadow: var(--shadow-sm);
    cursor: pointer;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-medium);
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-item::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-hero);
    opacity: 0;
    transition: var(--transition-fast);
}

.gallery-item:hover::after {
    opacity: 0.7;
}

/* ============================================
   HOW IT WORKS
   ============================================ */
.how-it-works {
    padding: var(--section-padding);
}

.steps-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    position: relative;
}

.step-card {
    text-align: center;
    padding: 40px 30px;
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    position: relative;
}

.step-number {
    width: 60px;
    height: 60px;
    margin: 0 auto 25px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
}

.step-card h4 {
    margin-bottom: 15px;
    color: var(--primary);
}

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

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-form-wrapper {
    background: var(--white);
    padding: 50px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.contact-form-wrapper h3 {
    color: var(--primary);
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--dark);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px 20px;
    border: 2px solid #e0e0e0;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--secondary);
    box-shadow: 0 0 0 4px rgba(0, 168, 232, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

.contact-info-wrapper {
    padding: 50px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    color: var(--white);
}

.contact-info-wrapper h3 {
    color: var(--white);
    margin-bottom: 30px;
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 30px;
}

.contact-info-icon {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.contact-info-text h4 {
    color: var(--white);
    margin-bottom: 5px;
    font-size: 1.1rem;
}

.contact-info-text p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1rem;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--gradient-dark);
    color: var(--white);
    padding: 80px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 50px;
}

.footer-about h3 {
    color: var(--white);
    margin-bottom: 20px;
}

.footer-about h3 span {
    color: var(--secondary);
}

.footer-about p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 25px;
}

.footer-social {
    display: flex;
    gap: 15px;
}

.footer-social a {
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: var(--transition-fast);
}

.footer-social a:hover {
    background: var(--secondary);
    transform: translateY(-3px);
}

.footer-links h4 {
    color: var(--white);
    margin-bottom: 25px;
    font-size: 1.2rem;
}

.footer-links ul li {
    margin-bottom: 12px;
}

.footer-links ul li a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition-fast);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.95rem;
}

/* ============================================
   GLASSMORPHISM CARD
   ============================================ */
.glass-card {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    padding: 40px;
}

/* ============================================
   WATER RIPPLE EFFECT
   ============================================ */
.ripple {
    position: relative;
    overflow: hidden;
}

.ripple::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.ripple:hover::after {
    width: 300px;
    height: 300px;
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

.float-animation {
    animation: float 3s ease-in-out infinite;
}

.pulse-animation {
    animation: pulse 2s ease-in-out infinite;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1024px) {
    .about-grid,
    .service-detail-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .service-detail:nth-child(even) .service-detail-grid {
        direction: ltr;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }

    .mv-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 60px 0;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 400px;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        justify-content: center;
        gap: 30px;
        transition: var(--transition-fast);
        box-shadow: var(--shadow-lg);
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-menu .nav-link {
        color: var(--dark);
        font-size: 1.2rem;
    }

    .nav-menu .nav-cta {
        background: var(--gradient-primary);
        color: var(--white);
    }

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }

    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .about-stats {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-social {
        justify-content: center;
    }

    .contact-form-wrapper,
    .contact-info-wrapper {
        padding: 30px;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.5rem; }

    .btn {
        padding: 12px 25px;
        font-size: 0.95rem;
    }

    .hero-tagline {
        font-size: 1.2rem;
    }

    .section-title {
        margin-bottom: 40px;
    }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.text-center { text-align: center; }
.text-primary { color: var(--primary); }
.text-secondary { color: var(--secondary); }
.text-white { color: var(--white); }
.bg-light { background: var(--light-gray); }
.bg-primary { background: var(--gradient-primary); }
.mt-1 { margin-top: 10px; }
.mt-2 { margin-top: 20px; }
.mt-3 { margin-top: 30px; }
.mb-1 { margin-bottom: 10px; }
.mb-2 { margin-bottom: 20px; }
.mb-3 { margin-bottom: 30px; }