/* ===================================
   VARIABLES & RESET
   =================================== */
:root {
    --primary-color: #002750;
    --secondary-color: #003d75;
    --accent-color: #002750;
    --accent-light: #0055a5;
    --accent-dark: #001a3d;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f9fafb;
    --white: #ffffff;
    --gradient-primary: linear-gradient(135deg, #002750 0%, #003d75 100%);
    --gradient-accent: linear-gradient(135deg, #002750 0%, #001a3d 100%);
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --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 50px rgba(0, 0, 0, 0.2);
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

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

ul {
    list-style: none;
}

/* ===================================
   NAVIGATION
   =================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(0, 39, 80, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.navbar.scrolled {
    background: var(--primary-color);
    padding: 0.75rem 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
}

.logo i {
    font-size: 2rem;
}

.logo-img {
    height: 50px;
    width: auto;
    object-fit: contain;
    color: var(--accent-color);
}

.nav-menu {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-menu a {
    color: var(--white);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: var(--transition);
}

.nav-menu a:hover,
.nav-menu a.active {
    background: var(--accent-color);
    transform: translateY(-2px);
}

.btn-contact {
    background: var(--gradient-accent);
    padding: 0.75rem 1.5rem !important;
    border-radius: 25px;
    box-shadow: var(--shadow-md);
}

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

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

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

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

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(59,130,246,0.1)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(100px, 100px); }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, transparent 0%, rgba(10, 22, 40, 0.8) 100%);
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 900px;
    padding: 0 20px;
}

.hero h1 {
    font-size: 3.5rem;
    color: var(--white);
    margin-bottom: 1.5rem;
    font-weight: 800;
    line-height: 1.2;
}

.hero p {
    font-size: 1.5rem;
    color: var(--accent-light);
    margin-bottom: 2.5rem;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--white);
    font-size: 2rem;
    animation: bounce 2s infinite;
}

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

/* ===================================
   BUTTONS
   =================================== */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 30px;
    font-weight: 600;
    font-size: 1.1rem;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
}

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

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

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

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

.btn-lg {
    padding: 1.25rem 2.5rem;
    font-size: 1.2rem;
}

.btn-service {
    display: inline-block;
    margin-top: 1.5rem;
    padding: 0.75rem 1.75rem;
    background: var(--gradient-accent);
    color: var(--white);
    border-radius: 25px;
    font-weight: 600;
    transition: var(--transition);
}

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

/* ===================================
   ANIMATIONS
   =================================== */
.fade-in {
    animation: fadeIn 1s ease-out;
}

.fade-in-delay {
    animation: fadeIn 1s ease-out 0.3s backwards;
}

.fade-in-delay-2 {
    animation: fadeIn 1s ease-out 0.6s backwards;
}

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

[data-aos] {
    opacity: 0;
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos].aos-animate {
    opacity: 1;
}

[data-aos="fade-up"] {
    transform: translateY(50px);
}

[data-aos="fade-up"].aos-animate {
    transform: translateY(0);
}

[data-aos="zoom-in"] {
    transform: scale(0.8);
}

[data-aos="zoom-in"].aos-animate {
    transform: scale(1);
}

/* ===================================
   SECTIONS
   =================================== */
section {
    padding: 5rem 0;
}

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

.section-header h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-weight: 700;
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--gradient-accent);
    border-radius: 2px;
}

.section-header p {
    font-size: 1.2rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 1.5rem auto 0;
}

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

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--white);
    padding: 0;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    text-align: center;
    overflow: hidden;
}

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

.service-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    position: relative;
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.service-icon {
    width: 80px;
    height: 80px;
    margin: -40px auto 1.5rem;
    background: var(--gradient-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: var(--white);
    position: relative;
    z-index: 10;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
}

.service-card h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    padding: 0 2rem;
}

.service-card > p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    padding: 0 2rem;
}

.service-features {
    text-align: left;
    margin: 1.5rem 0;
    padding: 0 2rem;
}

.service-features li {
    padding: 0.5rem 0;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.service-features i {
    color: var(--accent-color);
    font-size: 1rem;
}

.btn-service {
    margin: 1.5rem 2rem 2rem;
}

/* ===================================
   WHY US SECTION
   =================================== */
.why-us {
    background: var(--gradient-primary);
    color: var(--white);
}

.why-us .section-header h2 {
    color: var(--white);
}

.why-us .section-header h2::after {
    background: var(--accent-light);
}

.why-us .section-header p {
    color: var(--accent-light);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2.5rem;
}

.why-item {
    text-align: center;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}

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

.why-item i {
    font-size: 3rem;
    color: var(--accent-light);
    margin-bottom: 1rem;
}

.why-item h3 {
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
}

.why-item p {
    color: rgba(255, 255, 255, 0.8);
}

/* ===================================
   STATS SECTION
   =================================== */
.stats {
    background: var(--accent-color);
    color: var(--white);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
}

.stat-item {
    text-align: center;
}

.stat-item i {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.9;
}

.stat-number {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.stat-item p {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* ===================================
   CONTACT SECTION
   =================================== */
.contact {
    background: var(--bg-light);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
    margin-top: 3rem;
}

.contact-info h3 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 2rem;
}

.info-item {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--white);
    border-radius: 15px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.info-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(5px);
}

.info-item i {
    font-size: 1.8rem;
    color: var(--accent-color);
    min-width: 30px;
}

.info-item h4 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.info-item p {
    color: var(--text-light);
}

.contact-form {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
}

.form-group {
    position: relative;
    margin-bottom: 2rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 1rem;
    border: 2px solid #e5e7eb;
    border-radius: 10px;
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
    background: var(--white);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-color);
}

.form-group input:focus + label,
.form-group textarea:focus + label,
.form-group input:not(:placeholder-shown) + label,
.form-group textarea:not(:placeholder-shown) + label {
    top: -10px;
    left: 10px;
    font-size: 0.85rem;
    background: var(--white);
    padding: 0 5px;
    color: var(--accent-color);
}

.form-group label {
    position: absolute;
    top: 1rem;
    left: 1rem;
    color: var(--text-light);
    transition: var(--transition);
    pointer-events: none;
}

.form-group select {
    appearance: none;
    background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="12" height="8"><path fill="%236b7280" d="M6 8L0 0h12z"/></svg>');
    background-repeat: no-repeat;
    background-position: right 1rem center;
    cursor: pointer;
}

.contact-form button {
    width: 100%;
}

/* ===================================
   FOOTER
   =================================== */
.footer {
    background: var(--primary-color);
    color: var(--white);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h3 {
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    color: var(--accent-light);
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 1rem;
}

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

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
}

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

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.social-links a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--accent-color);
    transform: translateY(-3px);
}

.newsletter-form {
    display: flex;
    gap: 0.5rem;
}

.newsletter-form input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: none;
    border-radius: 25px;
    font-size: 1rem;
}

.newsletter-form button {
    width: 50px;
    height: 50px;
    border: none;
    background: var(--gradient-accent);
    color: var(--white);
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
}

.newsletter-form button:hover {
    transform: scale(1.1);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

/* ===================================
   SERVICE PAGES
   =================================== */
.service-hero {
    height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: var(--gradient-primary);
    position: relative;
    margin-top: 80px;
}

.service-hero-solar {
    background: linear-gradient(135deg, #0a1628 0%, #1e3a5f 50%, #f59e0b 100%);
}

.service-hero-pac-eau {
    background: linear-gradient(135deg, #0a1628 0%, #1e3a5f 50%, #06b6d4 100%);
}

.service-hero-pac-air {
    background: linear-gradient(135deg, #0a1628 0%, #1e3a5f 50%, #10b981 100%);
}

.service-hero-ite {
    background: linear-gradient(135deg, #0a1628 0%, #1e3a5f 50%, #8b5cf6 100%);
}

.service-intro {
    padding: 5rem 0;
}

.intro-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 4rem;
    align-items: center;
}

.intro-content h2 {
    font-size: 2.2rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.intro-content p {
    color: var(--text-light);
    margin-bottom: 1rem;
    font-size: 1.1rem;
    line-height: 1.8;
}

.intro-features {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 2rem;
}

.feature-badge {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-light);
    border-radius: 10px;
}

.feature-badge i {
    color: var(--accent-color);
    font-size: 1.5rem;
}

.intro-image {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.intro-image img {
    width: 100%;
    height: auto;
    max-height: 500px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.intro-image img:hover {
    transform: scale(1.02);
}

.image-placeholder {
    width: 100%;
    height: 400px;
    background: var(--gradient-primary);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-xl);
}

.image-placeholder i {
    font-size: 8rem;
    color: var(--accent-light);
    opacity: 0.3;
}

.service-features {
    background: var(--bg-light);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: var(--transition);
}

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

.feature-card i {
    font-size: 3rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.feature-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--text-light);
}

/* ===================================
   OFFERINGS / PRICING
   =================================== */
.offerings {
    background: var(--white);
}

.offerings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
}

.offering-card {
    background: var(--white);
    border: 2px solid #e5e7eb;
    border-radius: 20px;
    padding: 2.5rem;
    transition: var(--transition);
    position: relative;
}

.offering-card.featured {
    border-color: var(--accent-color);
    box-shadow: var(--shadow-xl);
    transform: scale(1.05);
}

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

.offering-card.featured:hover {
    transform: scale(1.05) translateY(-10px);
}

.popular-badge {
    position: absolute;
    top: -15px;
    right: 30px;
    background: var(--gradient-accent);
    color: var(--white);
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.9rem;
}

.offering-header {
    text-align: center;
    padding-bottom: 1.5rem;
    border-bottom: 2px solid #e5e7eb;
    margin-bottom: 2rem;
}

.offering-header h3 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.offering-price {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--accent-color);
}

.offering-features {
    margin-bottom: 2rem;
}

.offering-features li {
    padding: 0.75rem 0;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    color: var(--text-dark);
}

.offering-features i {
    color: var(--accent-color);
    font-size: 1.2rem;
    margin-top: 3px;
}

/* ===================================
   PROCESS TIMELINE
   =================================== */
.process {
    background: var(--bg-light);
}

.process-timeline {
    max-width: 900px;
    margin: 0 auto;
}

.process-step {
    display: flex;
    gap: 2rem;
    margin-bottom: 3rem;
    position: relative;
}

.process-step::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 70px;
    width: 2px;
    height: calc(100% + 20px);
    background: var(--accent-light);
}

.process-step:last-child::before {
    display: none;
}

.step-number {
    min-width: 60px;
    height: 60px;
    background: var(--gradient-accent);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    box-shadow: var(--shadow-md);
    z-index: 1;
}

.step-content {
    flex: 1;
    background: var(--white);
    padding: 1.5rem;
    border-radius: 15px;
    box-shadow: var(--shadow-sm);
}

.step-content h3 {
    color: var(--primary-color);
    margin-bottom: 0.75rem;
}

.step-content p {
    color: var(--text-light);
}

/* ===================================
   FAQ SECTION
   =================================== */
.faq {
    background: var(--white);
}

.faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-light);
    margin-bottom: 1.5rem;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.faq-question {
    padding: 1.5rem 2rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.faq-question:hover {
    background: var(--white);
}

.faq-question h3 {
    color: var(--primary-color);
    font-size: 1.2rem;
}

.faq-question i {
    color: var(--accent-color);
    transition: var(--transition);
    font-size: 1.2rem;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 2rem 1.5rem;
    color: var(--text-light);
    line-height: 1.8;
}

/* ===================================
   CTA SECTION
   =================================== */
.cta {
    background: var(--gradient-primary);
    color: var(--white);
    text-align: center;
    padding: 5rem 0;
}

.cta h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.cta p {
    font-size: 1.3rem;
    margin-bottom: 2.5rem;
    color: var(--accent-light);
}

/* ===================================
   ADDITIONAL SERVICE PAGE SECTIONS
   =================================== */
.technical-specs,
.types-section,
.materials,
.finishes,
.benefits-list {
    padding: 5rem 0;
}

.specs-grid,
.types-grid,
.materials-grid,
.finishes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.spec-item,
.type-card,
.material-card,
.finish-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: var(--transition);
}

.spec-item:hover,
.type-card:hover,
.material-card:hover,
.finish-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.spec-item i,
.type-card i,
.material-card i,
.finish-card i {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
}

.spec-item h3,
.type-card h3,
.material-card h3,
.finish-card h3 {
    color: var(--primary-color);
    margin-bottom: 0.75rem;
}

.spec-item p,
.type-card p,
.finish-card p {
    color: var(--text-light);
}

.type-card ul,
.material-card ul {
    text-align: left;
    margin-top: 1rem;
}

.type-card ul li,
.material-card ul li {
    padding: 0.5rem 0;
    color: var(--text-dark);
}

.benefits-list {
    background: var(--bg-light);
}

.benefits-content {
    max-width: 900px;
    margin: 0 auto;
}

.benefit-item {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--white);
    border-radius: 15px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.benefit-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-md);
}

.benefit-item i {
    font-size: 2rem;
    color: var(--accent-color);
    min-width: 40px;
}

.benefit-item h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.benefit-item p {
    color: var(--text-light);
}

/* ===================================
   IMAGE OPTIMIZATION
   =================================== */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Lazy loading effect */
img[data-src] {
    filter: blur(10px);
    transition: filter 0.3s;
}

img[data-src].loaded {
    filter: blur(0);
}

/* Image loading animation */
@keyframes imageLoad {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.service-image img,
.intro-image img {
    animation: imageLoad 0.5s ease-out;
}

/* ===================================
   RESPONSIVE DESIGN
   =================================== */
@media (max-width: 968px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: var(--primary-color);
        flex-direction: column;
        justify-content: flex-start;
        padding: 3rem 0;
        transition: var(--transition);
    }

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

    .hamburger {
        display: flex;
    }

    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }

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

    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }

    .hero h1 {
        font-size: 2.5rem;
    }

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

    .contact-wrapper,
    .intro-grid {
        grid-template-columns: 1fr;
    }

    .intro-image img {
        max-height: 350px;
    }

    .service-image {
        height: 180px;
    }

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

    .offering-card.featured {
        transform: scale(1);
    }

    .section-header h2 {
        font-size: 2rem;
    }
}

@media (max-width: 640px) {
    .hero h1 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .intro-image img {
        max-height: 250px;
        border-radius: 15px !important;
    }

    .service-image {
        height: 150px;
    }

    .service-icon {
        width: 60px;
        height: 60px;
        margin: -30px auto 1rem;
        font-size: 2rem;
    }

    .process-step {
        flex-direction: column;
        gap: 1rem;
    }

    .process-step::before {
        left: 30px;
        top: 70px;
    }

    .testimonial-card {
        padding: 1.5rem;
    }

    .testimonial-text {
        font-size: 0.95rem;
    }
}

/* ===================================
   TESTIMONIALS SECTION
   =================================== */
.testimonials {
    padding: 5rem 0;
    background: var(--bg-light);
}

.testimonials h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.testimonials .section-subtitle {
    text-align: center;
    color: var(--text-light);
    font-size: 1.1rem;
    margin-bottom: 3rem;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.testimonial-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid transparent;
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-color);
}

.testimonial-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.testimonial-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.5rem;
    flex-shrink: 0;
}

.testimonial-info h4 {
    font-size: 1.1rem;
    color: var(--primary-color);
    margin-bottom: 0.25rem;
}

.testimonial-info p {
    font-size: 0.9rem;
    color: var(--text-light);
    margin: 0;
}

.testimonial-rating {
    display: flex;
    gap: 0.25rem;
    margin-bottom: 1rem;
}

.testimonial-rating i {
    color: #fbbf24;
    font-size: 1rem;
}

.testimonial-text {
    color: var(--text-dark);
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 1rem;
    font-style: italic;
}

.testimonial-service {
    display: inline-block;
    background: var(--gradient-accent);
    color: var(--white);
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}