/* ============================================
   SACHI HOMES — Professional Construction Site
   ============================================ */

/* ---------- CSS Variables ---------- */
:root {
    --color-primary: #c8953e;
    --color-primary-dark: #a67a2e;
    --color-primary-light: #e0b862;
    --color-secondary: #1a1a2e;
    --color-secondary-dark: #12121f;
    --color-accent: #2c3e6b;
    --color-text: #333344;
    --color-text-light: #6b6b80;
    --color-text-lighter: #9999aa;
    --color-white: #ffffff;
    --color-off-white: #f8f7f4;
    --color-bg: #fafaf8;
    --color-border: #e8e6e0;
    --color-dark-bg: #111122;
    --color-success: #2d8a4e;
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.12);
    --shadow-xl: 0 20px 60px rgba(0,0,0,0.15);
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --max-width: 1200px;
    --nav-height: 80px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--nav-height);
}

body {
    font-family: var(--font-primary);
    color: var(--color-text);
    background: var(--color-white);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

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

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 0.95rem;
    padding: 14px 32px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
    letter-spacing: -0.01em;
}

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

.btn-primary:hover {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(200, 149, 62, 0.35);
}

.btn-outline {
    background: transparent;
    color: var(--color-white);
    border-color: rgba(255,255,255,0.5);
}

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

.btn-outline-white {
    background: transparent;
    color: var(--color-white);
    border-color: rgba(255,255,255,0.3);
}

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

.btn-nav {
    background: var(--color-primary);
    color: var(--color-white);
    padding: 10px 24px;
    font-size: 0.85rem;
    border-radius: var(--radius-sm);
}

.btn-nav:hover {
    background: var(--color-primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(200, 149, 62, 0.3);
}

.btn-block {
    width: 100%;
}

/* ---------- Navigation ---------- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(26, 26, 46, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255,255,255,0.06);
    transition: var(--transition);
    height: var(--nav-height);
}

.navbar.scrolled {
    background: rgba(18, 18, 31, 0.98);
    box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--color-white);
}

.logo-icon {
    color: var(--color-primary);
    font-size: 1.6rem;
}

.logo-text {
    font-family: var(--font-display);
    letter-spacing: 0.02em;
}

.logo-accent {
    color: var(--color-primary);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    padding: 8px 18px;
    color: rgba(255,255,255,0.8);
    font-weight: 500;
    font-size: 0.92rem;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-white);
    background: rgba(255,255,255,0.08);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 3px;
    background: var(--color-primary);
    border-radius: 2px;
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 4px;
    z-index: 1001;
}

.hamburger span {
    display: block;
    width: 26px;
    height: 2px;
    background: var(--color-white);
    border-radius: 2px;
    transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ---------- Section Headers ---------- */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-primary);
    background: rgba(200, 149, 62, 0.1);
    padding: 6px 16px;
    border-radius: 50px;
    margin-bottom: 16px;
}

.section-header h2 {
    font-family: var(--font-display);
    font-size: 2.6rem;
    font-weight: 700;
    color: var(--color-secondary);
    margin-bottom: 14px;
    line-height: 1.25;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--color-text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* ---------- Hero Section ---------- */
.hero {
    position: relative;
    width: 100%;
    height: 100vh;
    min-height: 700px;
    overflow: hidden;
}

.hero-slider {
    width: 100%;
    height: 100%;
    position: relative;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slide.active {
    opacity: 1;
    z-index: 1;
}

.slide-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg,
        rgba(18, 18, 31, 0.85) 0%,
        rgba(18, 18, 31, 0.6) 40%,
        rgba(18, 18, 31, 0.4) 70%,
        rgba(18, 18, 31, 0.55) 100%
    );
}

.slide-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    padding: 0 24px;
    animation: fadeInUp 0.8s ease forwards;
}

.slide.active .slide-content {
    animation: fadeInUp 0.8s ease forwards;
}

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

.slide-tag {
    display: inline-block;
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--color-primary);
    background: rgba(200, 149, 62, 0.15);
    padding: 8px 20px;
    border-radius: 50px;
    margin-bottom: 24px;
    border: 1px solid rgba(200, 149, 62, 0.25);
}

.slide-content h1 {
    font-family: var(--font-display);
    font-size: 3.8rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 20px;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.slide-content p {
    font-size: 1.2rem;
    color: rgba(255,255,255,0.8);
    margin-bottom: 36px;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

.slide-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Slider Navigation Buttons */
.slider-btn {
    position: absolute;
    top: 50%;
    z-index: 10;
    transform: translateY(-50%);
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: rgba(255,255,255,0.12);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
    color: var(--color-white);
    font-size: 1.1rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.slider-btn:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.slider-prev {
    left: 32px;
}

.slider-next {
    right: 32px;
}

/* Slider Dots */
.slider-dots {
    position: absolute;
    bottom: 180px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    display: flex;
    gap: 10px;
}

.slider-dots .dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255,255,255,0.4);
    cursor: pointer;
    transition: var(--transition);
}

.slider-dots .dot.active {
    background: var(--color-primary);
    width: 30px;
    border-radius: 10px;
}

/* Hero Stats */
.hero-stats {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    z-index: 10;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    background: linear-gradient(to top, rgba(18, 18, 31, 0.95), rgba(18, 18, 31, 0.7));
    backdrop-filter: blur(10px);
    padding: 35px 0;
    border-top: 1px solid rgba(255,255,255,0.08);
}

.stat-item {
    text-align: center;
    color: var(--color-white);
}

.stat-number {
    display: block;
    font-family: var(--font-display);
    font-size: 2.6rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.7);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

/* ---------- About Section ---------- */
.about {
    padding: 120px 0;
    background: var(--color-white);
}

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

.about-image {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.about-image img {
    width: 100%;
    height: 520px;
    object-fit: cover;
    border-radius: var(--radius-lg);
}

.about-experience {
    position: absolute;
    bottom: 30px;
    right: -30px;
    background: var(--color-primary);
    color: var(--color-white);
    padding: 25px 30px;
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: 0 10px 30px rgba(200, 149, 62, 0.4);
}

.exp-number {
    display: block;
    font-family: var(--font-display);
    font-size: 2.4rem;
    font-weight: 700;
    line-height: 1;
}

.exp-text {
    font-size: 0.85rem;
    font-weight: 500;
    line-height: 1.3;
}

.about-content h3 {
    font-family: var(--font-display);
    font-size: 2rem;
    color: var(--color-secondary);
    margin-bottom: 20px;
}

.about-content p {
    color: var(--color-text-light);
    margin-bottom: 18px;
    font-size: 1.05rem;
    line-height: 1.75;
}

.about-features {
    margin: 32px 0;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

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

.feature i {
    font-size: 1.4rem;
    color: var(--color-primary);
    background: rgba(200, 149, 62, 0.1);
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

.feature h4 {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--color-secondary);
    margin-bottom: 4px;
}

.feature p {
    font-size: 0.92rem;
    color: var(--color-text-light);
    margin: 0;
}

/* ---------- Services Section ---------- */
.services {
    padding: 120px 0;
    background: var(--color-off-white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    background: var(--color-white);
    padding: 40px 32px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--color-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

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

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

.service-icon {
    width: 64px;
    height: 64px;
    background: rgba(200, 149, 62, 0.08);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    font-size: 1.6rem;
    color: var(--color-primary);
    transition: var(--transition);
}

.service-card:hover .service-icon {
    background: var(--color-primary);
    color: var(--color-white);
}

.service-card h3 {
    font-family: var(--font-display);
    font-size: 1.3rem;
    color: var(--color-secondary);
    margin-bottom: 12px;
}

.service-card p {
    color: var(--color-text-light);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 20px;
}

.service-link {
    font-weight: 600;
    color: var(--color-primary);
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition);
}

.service-link i {
    transition: var(--transition);
}

.service-link:hover {
    color: var(--color-primary-dark);
    gap: 10px;
}

.service-link:hover i {
    transform: translateX(3px);
}

/* ---------- Projects Section ---------- */
.projects {
    padding: 120px 0;
    background: var(--color-white);
}

.projects-slider-wrapper {
    position: relative;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 80px;
}

.projects-slider {
    display: flex;
    gap: 24px;
    overflow: hidden;
    padding: 10px 0;
}

.project-slide {
    min-width: calc(50% - 12px);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    flex-shrink: 0;
}

.project-slide:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-6px);
}

.project-image {
    position: relative;
    overflow: hidden;
    height: 290px;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.project-slide:hover .project-image img {
    transform: scale(1.08);
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(26, 26, 46, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.project-slide:hover .project-overlay {
    opacity: 1;
}

.project-view-btn {
    background: var(--color-primary);
    color: var(--color-white);
    padding: 12px 28px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition);
    transform: translateY(10px);
}

.project-slide:hover .project-view-btn {
    transform: translateY(0);
}

.project-view-btn:hover {
    background: var(--color-primary-dark);
}

.project-info {
    padding: 24px;
}

.project-category {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.project-info h3 {
    font-family: var(--font-display);
    font-size: 1.3rem;
    color: var(--color-secondary);
    margin-bottom: 8px;
}

.project-info p {
    color: var(--color-text-light);
    font-size: 0.92rem;
    margin-bottom: 14px;
}

.project-specs {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    padding-top: 14px;
    border-top: 1px solid var(--color-border);
}

.project-specs span {
    font-size: 0.85rem;
    color: var(--color-text-light);
    font-weight: 500;
}

.project-specs i {
    color: var(--color-primary);
    margin-right: 4px;
}

/* Project Slider Buttons */
.project-slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-70%);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    color: var(--color-secondary);
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 5;
    box-shadow: var(--shadow-md);
}

.project-slider-btn:hover {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

.project-prev {
    left: 12px;
}

.project-next {
    right: 12px;
}

.project-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 32px;
}

.project-dots .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-border);
    cursor: pointer;
    transition: var(--transition);
}

.project-dots .dot.active {
    background: var(--color-primary);
    width: 24px;
    border-radius: 10px;
}

/* ---------- Testimonials ---------- */
.testimonials {
    padding: 120px 0;
    background: var(--color-off-white);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.testimonial-card {
    background: var(--color-white);
    padding: 36px 32px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    transition: var(--transition);
}

.testimonial-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.testimonial-stars {
    color: var(--color-primary);
    font-size: 0.9rem;
    margin-bottom: 16px;
}

.testimonial-card > p {
    font-size: 0.98rem;
    color: var(--color-text-light);
    line-height: 1.75;
    font-style: italic;
    margin-bottom: 20px;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 14px;
    padding-top: 20px;
    border-top: 1px solid var(--color-border);
}

.testimonial-author img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
}

.testimonial-author h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-secondary);
}

.testimonial-author span {
    font-size: 0.82rem;
    color: var(--color-text-lighter);
}

/* ---------- Location Section ---------- */
.location {
    padding: 120px 0;
    background: var(--color-white);
}

.location-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 60px;
}

.location-card {
    text-align: center;
    padding: 40px 30px;
    background: var(--color-off-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    transition: var(--transition);
}

.location-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-6px);
}

.location-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    background: rgba(200, 149, 62, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: var(--color-primary);
}

.location-card h3 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    color: var(--color-secondary);
    margin-bottom: 10px;
}

.location-card p {
    color: var(--color-text-light);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 12px;
}

.location-phone {
    font-weight: 600;
    color: var(--color-primary);
    font-size: 0.9rem;
}

.location-phone i {
    margin-right: 6px;
}

.service-areas {
    text-align: center;
    padding: 40px;
    background: var(--color-off-white);
    border-radius: var(--radius-lg);
}

.service-areas h3 {
    font-family: var(--font-display);
    font-size: 1.3rem;
    color: var(--color-secondary);
    margin-bottom: 24px;
}

.areas-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
}

.areas-grid span {
    background: var(--color-white);
    padding: 10px 22px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-secondary);
    border: 1px solid var(--color-border);
    transition: var(--transition);
}

.areas-grid span:hover {
    background: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

/* ---------- CTA Section ---------- */
.cta {
    position: relative;
    padding: 100px 0;
    background: url('https://images.unsplash.com/photo-1541888946425-d81bb19240f5?w=1920&q=80') center/cover no-repeat fixed;
}

.cta-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(18, 18, 31, 0.9), rgba(44, 62, 107, 0.8));
}

.cta-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-content h2 {
    font-family: var(--font-display);
    font-size: 2.8rem;
    color: var(--color-white);
    margin-bottom: 18px;
}

.cta-content p {
    font-size: 1.15rem;
    color: rgba(255,255,255,0.8);
    margin-bottom: 36px;
    line-height: 1.7;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ---------- Contact Section ---------- */
.contact {
    padding: 120px 0;
    background: var(--color-white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-card {
    display: flex;
    align-items: flex-start;
    gap: 18px;
    background: var(--color-off-white);
    padding: 24px;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    transition: var(--transition);
}

.contact-card:hover {
    box-shadow: var(--shadow-md);
}

.contact-card > i {
    font-size: 1.4rem;
    color: var(--color-primary);
    background: rgba(200, 149, 62, 0.1);
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

.contact-card h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-secondary);
    margin-bottom: 4px;
}

.contact-card p {
    font-size: 0.92rem;
    color: var(--color-text-light);
}

.contact-social {
    padding: 28px 24px;
    background: var(--color-off-white);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
}

.contact-social h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-secondary);
    margin-bottom: 16px;
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-links a {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    color: var(--color-text-light);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    font-size: 1rem;
}

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

/* Contact Form */
.contact-form {
    background: var(--color-off-white);
    padding: 40px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-weight: 600;
    font-size: 0.88rem;
    color: var(--color-secondary);
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-family: var(--font-primary);
    font-size: 0.95rem;
    color: var(--color-text);
    background: var(--color-white);
    transition: var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(200, 149, 62, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-text-lighter);
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%236b6b80' d='M1.41 0L6 4.58 10.59 0 12 1.41l-6 6-6-6z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
    cursor: pointer;
}

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

/* ---------- Footer ---------- */
.footer {
    background: var(--color-secondary);
    color: rgba(255,255,255,0.7);
    padding: 80px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
    gap: 50px;
    padding-bottom: 60px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-logo {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-white);
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 18px;
}

.footer-logo i {
    color: var(--color-primary);
}

.footer-brand p {
    font-size: 0.92rem;
    line-height: 1.7;
    margin-bottom: 20px;
}

.footer-social {
    display: flex;
    gap: 10px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255,255,255,0.06);
    color: rgba(255,255,255,0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    font-size: 0.9rem;
}

.footer-social a:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

.footer-links h4,
.footer-contact h4 {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: 22px;
    position: relative;
    padding-bottom: 12px;
}

.footer-links h4::after,
.footer-contact h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--color-primary);
}

.footer-links ul li {
    margin-bottom: 10px;
}

.footer-links ul li a {
    color: rgba(255,255,255,0.65);
    font-size: 0.92rem;
    transition: var(--transition);
}

.footer-links ul li a:hover {
    color: var(--color-primary);
    padding-left: 4px;
}

.footer-contact ul li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 14px;
    font-size: 0.9rem;
    color: rgba(255,255,255,0.65);
    line-height: 1.6;
}

.footer-contact ul li i {
    color: var(--color-primary);
    margin-top: 3px;
    flex-shrink: 0;
}

.footer-contact ul li a {
    color: rgba(255,255,255,0.65);
    transition: var(--transition);
}

.footer-contact ul li a:hover {
    color: var(--color-primary);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 0;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-bottom p {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.45);
}

.footer-bottom-links {
    display: flex;
    gap: 24px;
}

.footer-bottom-links a {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.5);
    transition: var(--transition);
}

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

/* ---------- 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);
}

/* ---------- Form Validation Styles ---------- */
.form-group input.error,
.form-group textarea.error,
.form-group select.error {
    border-color: #e74c3c;
}

.form-group .error-message {
    color: #e74c3c;
    font-size: 0.8rem;
    margin-top: 4px;
}

/* Form Success Message */
.form-success {
    display: none;
    text-align: center;
    padding: 50px 20px;
}

.form-success.show {
    display: block;
}

.form-success i {
    font-size: 3rem;
    color: var(--color-success);
    margin-bottom: 16px;
}

.form-success h3 {
    font-family: var(--font-display);
    font-size: 1.6rem;
    color: var(--color-secondary);
    margin-bottom: 8px;
}

.form-success p {
    color: var(--color-text-light);
}

/* ---------- Back to Top Button ---------- */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 46px;
    height: 46px;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    cursor: pointer;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
    border: none;
    box-shadow: 0 4px 15px rgba(200, 149, 62, 0.4);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--color-primary-dark);
    transform: translateY(-3px);
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
    .hero-stats {
        grid-template-columns: repeat(4, 1fr);
        padding: 24px 0;
    }

    .stat-number {
        font-size: 2rem;
    }

    .stat-label {
        font-size: 0.78rem;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 50px;
    }

    .about-experience {
        right: 0;
    }

    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

    .project-slide {
        min-width: 100%;
    }

    .projects-slider-wrapper {
        padding: 0 48px;
    }

    .slide-content h1 {
        font-size: 2.6rem;
    }
}

@media (max-width: 768px) {
    :root {
        --nav-height: 68px;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--color-secondary-dark);
        flex-direction: column;
        justify-content: center;
        gap: 4px;
        padding: 80px 30px;
        transition: right 0.4s ease;
        z-index: 1000;
    }

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

    .nav-cta {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px 0;
        padding: 20px 0;
    }

    .stat-number {
        font-size: 1.8rem;
    }

    .slide-content h1 {
        font-size: 2rem;
    }

    .slide-content p {
        font-size: 1rem;
    }

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

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

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

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

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 36px;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .footer-bottom-links {
        flex-wrap: wrap;
        justify-content: center;
    }

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

    .form-row {
        grid-template-columns: 1fr;
    }

    .slider-btn {
        width: 40px;
        height: 40px;
    }

    .slider-prev {
        left: 12px;
    }

    .slider-next {
        right: 12px;
    }

    .project-slider-btn {
        width: 38px;
        height: 38px;
    }

    .projects-slider-wrapper {
        padding: 0 40px;
    }
}

@media (max-width: 480px) {
    .hero-stats {
        grid-template-columns: 1fr 1fr;
        padding: 16px 0;
    }

    .stat-number {
        font-size: 1.5rem;
    }

    .stat-label {
        font-size: 0.7rem;
    }

    .slide-content h1 {
        font-size: 1.6rem;
    }

    .cta-content h2 {
        font-size: 2rem;
    }

    .contact-form {
        padding: 24px;
    }
}