:root {
    --teal-dark: #1a5a6e;
    --teal-primary: #2d8a9e;
    --teal-light: #3ba4b8;
    --teal-bright: #4fc3dc;
    --silver-dark: #4a5568;
    --silver-medium: #718096;
    --silver-light: #a0aec0;
    --silver-pale: #cbd5e0;
    --bg-dark: #0d1117;
    --bg-card: #161b22;
    --bg-elevated: #1c2128;
    --border-color: #30363d;
    --text-primary: #f0f6fc;
    --text-secondary: #8b949e;
    --text-muted: #6e7681;
    --white: #ffffff;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Barlow', sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    overflow-x: hidden;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}

.diagonal-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        repeating-linear-gradient(
            -45deg,
            transparent,
            transparent 80px,
            rgba(45, 138, 158, 0.02) 80px,
            rgba(45, 138, 158, 0.02) 82px
        );
    pointer-events: none;
}

/* ========================================
   Navigation
   ======================================== */

nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 15px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: transparent;
    transition: all 0.4s ease;
}

nav.scrolled {
    background: rgba(13, 17, 23, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    padding: 12px 40px;
}

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 55px;
    width: auto;
    transition: height 0.3s ease;
}

nav.scrolled .logo img {
    height: 45px;
}

.nav-links {
    display: flex;
    gap: 40px;
    list-style: none;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: color 0.3s ease;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--teal-light), var(--teal-bright));
    transition: width 0.3s ease;
}

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

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

.nav-cta {
    background: linear-gradient(135deg, var(--teal-primary), var(--teal-light));
    border: none;
    color: var(--white);
    padding: 12px 28px;
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 16px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(45, 138, 158, 0.4);
}

/* ========================================
   Hero Section
   ======================================== */

.hero {
    min-height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse at 20% 80%, rgba(45, 138, 158, 0.12) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(79, 195, 220, 0.08) 0%, transparent 40%),
        linear-gradient(135deg, var(--bg-dark) 0%, #0a1015 100%);
}

.rebar-decoration {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
    pointer-events: none;
}

.rebar-line {
    position: absolute;
    height: 6px;
    background: linear-gradient(90deg, transparent 0%, var(--silver-medium) 20%, var(--silver-light) 50%, var(--silver-medium) 80%, transparent 100%);
    border-radius: 3px;
    opacity: 0.15;
}

.rebar-line::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: repeating-linear-gradient(90deg, transparent, transparent 8px, rgba(255,255,255,0.3) 8px, rgba(255,255,255,0.3) 12px);
    border-radius: 3px;
}

.rebar-line:nth-child(1) { width: 60%; top: 15%; left: -10%; transform: rotate(-35deg); animation: float1 12s ease-in-out infinite; }
.rebar-line:nth-child(2) { width: 70%; top: 45%; right: -20%; transform: rotate(-35deg); animation: float2 14s ease-in-out infinite; }
.rebar-line:nth-child(3) { width: 50%; bottom: 20%; left: 5%; transform: rotate(-35deg); animation: float3 10s ease-in-out infinite; }

@keyframes float1 { 0%, 100% { transform: rotate(-35deg) translateY(0); opacity: 0.15; } 50% { transform: rotate(-35deg) translateY(20px); opacity: 0.25; } }
@keyframes float2 { 0%, 100% { transform: rotate(-35deg) translateY(0); opacity: 0.15; } 50% { transform: rotate(-35deg) translateY(-15px); opacity: 0.2; } }
@keyframes float3 { 0%, 100% { transform: rotate(-35deg) translateY(0); opacity: 0.15; } 50% { transform: rotate(-35deg) translateY(25px); opacity: 0.22; } }

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 850px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: rgba(45, 138, 158, 0.1);
    border: 1px solid rgba(45, 138, 158, 0.3);
    padding: 10px 22px;
    margin-bottom: 30px;
    animation: fadeInUp 0.8s ease forwards;
}

.hero-badge-icon {
    width: 20px;
    height: 20px;
    background: linear-gradient(135deg, var(--teal-light), var(--teal-bright));
    clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
}

.hero-badge span {
    font-size: 13px;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--teal-bright);
    font-weight: 600;
}

.hero h1 {
    font-family: 'Rajdhani', sans-serif;
    font-size: clamp(55px, 9vw, 110px);
    font-weight: 700;
    line-height: 1;
    letter-spacing: -1px;
    margin-bottom: 30px;
    animation: fadeInUp 0.8s ease 0.2s forwards;
    opacity: 0;
}

.hero h1 .highlight {
    background: linear-gradient(135deg, var(--teal-light), var(--teal-bright));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero h1 .silver { color: var(--silver-light); }

.hero-subtitle {
    font-size: 20px;
    color: var(--text-secondary);
    max-width: 600px;
    line-height: 1.7;
    margin-bottom: 50px;
    animation: fadeInUp 0.8s ease 0.4s forwards;
    opacity: 0;
}

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

.hero-buttons {
    display: flex;
    gap: 20px;
    animation: fadeInUp 0.8s ease 0.6s forwards;
    opacity: 0;
}

.btn-primary {
    background: linear-gradient(135deg, var(--teal-primary), var(--teal-light));
    color: var(--white);
    padding: 18px 40px;
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(45, 138, 158, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    padding: 18px 40px;
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 18px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    border: 2px solid var(--silver-medium);
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    border-color: var(--teal-light);
    color: var(--teal-bright);
    background: rgba(45, 138, 158, 0.1);
}

.hero-visual {
    position: absolute;
    right: -50px;
    top: 50%;
    transform: translateY(-50%);
    width: 550px;
    height: 550px;
    opacity: 0.08;
    pointer-events: none;
}

.hero-visual img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: grayscale(100%) brightness(2);
}

/* ========================================
   Stats Bar
   ======================================== */

.stats-bar {
    background: var(--bg-card);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    padding: 60px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

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

.stat-item::after {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 60%;
    background: var(--border-color);
}

.stat-item:last-child::after { display: none; }

.stat-number {
    font-family: 'Rajdhani', sans-serif;
    font-size: 60px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--teal-light), var(--teal-bright));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* ========================================
   Section Styles
   ======================================== */

.section-header {
    margin-bottom: 80px;
}

.section-tag {
    display: inline-block;
    font-size: 12px;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--teal-bright);
    margin-bottom: 20px;
    position: relative;
    padding-left: 50px;
}

.section-tag::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 35px;
    height: 2px;
    background: linear-gradient(90deg, var(--teal-primary), var(--teal-light));
}

.section-title {
    font-family: 'Rajdhani', sans-serif;
    font-size: clamp(42px, 6vw, 68px);
    font-weight: 700;
    letter-spacing: -1px;
    line-height: 1.1;
}

.section-title .highlight { color: var(--teal-bright); }

/* ========================================
   Portfolio / Projects Section
   ======================================== */

.portfolio {
    padding: 140px 0;
    background: var(--bg-dark);
    position: relative;
}

.portfolio-intro {
    max-width: 800px;
    margin-bottom: 60px;
}

.portfolio-intro p {
    color: var(--text-secondary);
    font-size: 18px;
    line-height: 1.8;
}

.portfolio-filters {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    margin-bottom: 50px;
}

.filter-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 12px 24px;
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--teal-primary);
    border-color: var(--teal-primary);
    color: var(--white);
}

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

.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: all 0.4s ease;
    position: relative;
    display: block;
}

.project-card:hover {
    transform: translateY(-10px);
    border-color: var(--teal-dark);
    box-shadow: 0 25px 60px rgba(0,0,0,0.4);
}

.project-image {
    height: 240px;
    position: relative;
    overflow: hidden;
    background-color: #1a2a3a;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.project-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        repeating-linear-gradient(
            0deg,
            transparent,
            transparent 20px,
            rgba(255,255,255,0.03) 20px,
            rgba(255,255,255,0.03) 21px
        ),
        repeating-linear-gradient(
            90deg,
            transparent,
            transparent 20px,
            rgba(255,255,255,0.03) 20px,
            rgba(255,255,255,0.03) 21px
        );
}

.project-image-placeholder {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.project-image-placeholder svg {
    width: 60px;
    height: 60px;
    stroke: rgba(255,255,255,0.2);
    stroke-width: 1;
    fill: none;
}

.project-status {
    position: absolute;
    top: 15px;
    left: 15px;
    background: var(--teal-primary);
    color: var(--white);
    padding: 6px 12px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.project-status.completed { background: #22c55e; }
.project-status.in-progress { background: var(--teal-primary); }

.project-content {
    padding: 30px;
}

.project-category {
    font-size: 12px;
    color: var(--teal-bright);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 10px;
}

.project-card h3 {
    font-family: 'Rajdhani', sans-serif;
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
    line-height: 1.2;
}

.project-card p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 20px;
}

.project-meta {
    display: flex;
    gap: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.project-meta-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-muted);
}

.project-meta-item svg {
    width: 16px;
    height: 16px;
    stroke: var(--teal-bright);
    stroke-width: 2;
    fill: none;
}

.project-card.featured {
    grid-column: span 2;
}

.project-card.featured .project-image {
    height: 300px;
}

/* Additional Projects */

.additional-projects {
    margin-top: 60px;
    padding: 40px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
}

.additional-projects h3 {
    font-family: 'Rajdhani', sans-serif;
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 30px;
}

.additional-projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.additional-project-item {
    padding: 15px;
    border-left: 3px solid var(--teal-primary);
    text-decoration: none;
    color: inherit;
    transition: border-color 0.3s ease;
}

a.additional-project-item:hover {
    border-color: var(--teal-bright);
}

.additional-project-item strong {
    display: block;
}

.additional-project-item span {
    color: var(--text-secondary);
    font-size: 14px;
}

/* Partners */

.partners-section {
    margin-top: 100px;
    padding-top: 80px;
    border-top: 1px solid var(--border-color);
}

.partners-section h3 {
    font-family: 'Rajdhani', sans-serif;
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 40px;
}

.partners-section > p {
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 30px;
}

.partner-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 30px;
    text-align: center;
    transition: all 0.3s ease;
}

.partner-item:hover {
    border-color: var(--teal-dark);
}

.partner-item h4 {
    font-family: 'Rajdhani', sans-serif;
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 5px;
}

.partner-item p {
    font-size: 12px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ========================================
   Services Section
   ======================================== */

.services {
    padding: 140px 0;
    background: var(--bg-card);
    position: relative;
}

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

.service-card {
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    padding: 50px 40px;
    position: relative;
    overflow: hidden;
    transition: all 0.4s ease;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--teal-primary), var(--teal-bright));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

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

.service-card:hover {
    transform: translateY(-10px);
    border-color: var(--teal-dark);
    box-shadow: 0 25px 60px rgba(0,0,0,0.4);
}

.service-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, rgba(45, 138, 158, 0.15), rgba(79, 195, 220, 0.05));
    border: 1px solid rgba(45, 138, 158, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 30px;
    transition: all 0.4s ease;
    clip-path: polygon(10% 0, 100% 0, 100% 90%, 90% 100%, 0 100%, 0 10%);
}

.service-card:hover .service-icon {
    background: linear-gradient(135deg, var(--teal-primary), var(--teal-light));
}

.service-icon svg {
    width: 32px;
    height: 32px;
    stroke: var(--teal-bright);
    stroke-width: 1.5;
    fill: none;
    transition: stroke 0.4s ease;
}

.service-card:hover .service-icon svg { stroke: var(--white); }

.service-card h3 {
    font-family: 'Rajdhani', sans-serif;
    font-size: 26px;
    font-weight: 700;
    margin-bottom: 15px;
    text-transform: uppercase;
}

.service-card p {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 30px;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--teal-bright);
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: gap 0.3s ease;
}

.service-link:hover { gap: 15px; }

.service-link svg {
    width: 20px;
    height: 20px;
    stroke: var(--teal-bright);
    stroke-width: 2;
    fill: none;
}

/* ========================================
   About Section
   ======================================== */

.about {
    padding: 140px 0;
    background: var(--bg-dark);
    position: relative;
    overflow: hidden;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 100px;
    align-items: center;
}

.about-content h2 {
    font-family: 'Rajdhani', sans-serif;
    font-size: clamp(38px, 5vw, 56px);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 30px;
}

.about-content h2 .highlight {
    background: linear-gradient(135deg, var(--teal-light), var(--teal-bright));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.about-content p {
    color: var(--text-secondary);
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 20px;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
    margin-top: 50px;
}

.about-feature {
    display: flex;
    align-items: flex-start;
    gap: 15px;
}

.feature-check {
    width: 28px;
    height: 28px;
    background: linear-gradient(135deg, var(--teal-primary), var(--teal-light));
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    clip-path: polygon(10% 0, 100% 0, 100% 90%, 90% 100%, 0 100%, 0 10%);
}

.feature-check svg {
    width: 14px;
    height: 14px;
    stroke: var(--white);
    stroke-width: 3;
    fill: none;
}

.about-feature span {
    font-weight: 600;
    color: var(--text-primary);
}

.about-visual { position: relative; }

.about-image {
    width: 100%;
    aspect-ratio: 4/5;
    background: var(--bg-elevated);
    position: relative;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.about-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        repeating-linear-gradient(
            -45deg,
            transparent,
            transparent 30px,
            rgba(45, 138, 158, 0.05) 30px,
            rgba(45, 138, 158, 0.05) 32px
        );
}

.about-image-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 70%;
}

.about-image-content img {
    width: 100%;
    opacity: 0.6;
}

.about-accent {
    position: absolute;
    bottom: -30px;
    right: -30px;
    width: 200px;
    height: 200px;
    border: 3px solid var(--teal-primary);
    z-index: -1;
}

/* ========================================
   Products Section
   ======================================== */

.products {
    padding: 140px 0;
    background: var(--bg-card);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.product-card {
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    padding: 40px 30px;
    text-align: center;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.product-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--teal-primary), var(--teal-bright));
    transition: width 0.4s ease;
}

.product-card:hover::after { width: 100%; }

.product-card:hover {
    transform: translateY(-8px);
    border-color: var(--teal-dark);
}

.product-icon {
    width: 90px;
    height: 90px;
    margin: 0 auto 25px;
    background: rgba(45, 138, 158, 0.1);
    border: 1px solid rgba(45, 138, 158, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.4s ease;
}

.product-card:hover .product-icon {
    background: linear-gradient(135deg, var(--teal-primary), var(--teal-light));
    border-color: transparent;
}

.product-icon svg {
    width: 40px;
    height: 40px;
    stroke: var(--teal-bright);
    stroke-width: 1.5;
    fill: none;
    transition: stroke 0.4s ease;
}

.product-card:hover .product-icon svg { stroke: var(--white); }

.product-card h4 {
    font-family: 'Rajdhani', sans-serif;
    font-size: 22px;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 10px;
}

.product-card p {
    font-size: 14px;
    color: var(--text-secondary);
}

/* ========================================
   CTA Section
   ======================================== */

.cta {
    padding: 140px 0;
    background: linear-gradient(135deg, var(--bg-elevated) 0%, var(--bg-dark) 100%);
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse at 30% 50%, rgba(45, 138, 158, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 50%, rgba(79, 195, 220, 0.1) 0%, transparent 40%);
}

.cta-content {
    position: relative;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.cta h2 {
    font-family: 'Rajdhani', sans-serif;
    font-size: clamp(44px, 6vw, 76px);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 25px;
}

.cta h2 .highlight {
    background: linear-gradient(135deg, var(--teal-light), var(--teal-bright));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.cta p {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 50px;
}

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

/* ========================================
   Footer
   ======================================== */

footer {
    background: var(--bg-card);
    border-top: 1px solid var(--border-color);
    padding: 80px 0 40px;
}

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

.footer-brand { max-width: 350px; }

.footer-brand .logo { margin-bottom: 25px; }
.footer-brand .logo img { height: 60px; }

.footer-brand p {
    color: var(--text-secondary);
    line-height: 1.7;
}

.footer-column h5 {
    font-family: 'Rajdhani', sans-serif;
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 25px;
    color: var(--text-primary);
}

.footer-column ul { list-style: none; }
.footer-column li { margin-bottom: 12px; }

.footer-column a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-column a:hover { color: var(--teal-bright); }

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 15px;
    color: var(--text-secondary);
}

.contact-item svg {
    width: 20px;
    height: 20px;
    stroke: var(--teal-bright);
    stroke-width: 1.5;
    fill: none;
    flex-shrink: 0;
    margin-top: 2px;
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 14px;
}

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

.social-links a {
    width: 44px;
    height: 44px;
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.social-links a:hover {
    border-color: var(--teal-primary);
    background: var(--teal-primary);
}

.social-links svg {
    width: 20px;
    height: 20px;
    stroke: var(--text-secondary);
    stroke-width: 1.5;
    fill: none;
    transition: stroke 0.3s ease;
}

.social-links a:hover svg { stroke: var(--white); }

/* ========================================
   Quote Modal
   ======================================== */

.quote-modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.35s ease, visibility 0.35s ease;
}

.quote-modal.active {
    opacity: 1;
    visibility: visible;
}

.quote-modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(6px);
}

.quote-modal-container {
    position: relative;
    width: 90%;
    max-width: 780px;
    max-height: 90vh;
    overflow-y: auto;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 50px;
    transform: translateY(30px) scale(0.97);
    transition: transform 0.35s ease;
}

.quote-modal.active .quote-modal-container {
    transform: translateY(0) scale(1);
}

.quote-modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 44px;
    height: 44px;
    background: transparent;
    border: 1px solid var(--border-color);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    z-index: 1;
}

.quote-modal-close:hover {
    border-color: var(--teal-primary);
    background: rgba(45, 138, 158, 0.15);
}

.quote-modal-close svg {
    width: 20px;
    height: 20px;
    stroke: var(--text-secondary);
    stroke-width: 2;
    fill: none;
    transition: stroke 0.3s ease;
}

.quote-modal-close:hover svg {
    stroke: var(--teal-bright);
}

.quote-modal-header {
    margin-bottom: 40px;
}

.quote-modal-header h2 {
    font-family: 'Rajdhani', sans-serif;
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 12px;
}

.quote-modal-header h2 .highlight {
    background: linear-gradient(135deg, var(--teal-light), var(--teal-bright));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.quote-modal-header p {
    color: var(--text-secondary);
    font-size: 16px;
    line-height: 1.6;
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group-full {
    margin-bottom: 30px;
}

.form-group label {
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--text-secondary);
}

.form-group label .required {
    color: var(--teal-bright);
}

.form-group input,
.form-group select,
.form-group textarea {
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 14px 16px;
    font-family: 'Barlow', sans-serif;
    font-size: 15px;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    outline: none;
    width: 100%;
}

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

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238b949e' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
    cursor: pointer;
}

.form-group select option {
    background: var(--bg-elevated);
    color: var(--text-primary);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--teal-primary);
    box-shadow: 0 0 0 3px rgba(45, 138, 158, 0.15);
}

.form-group input.invalid,
.form-group textarea.invalid {
    border-color: #e53e3e;
    box-shadow: 0 0 0 3px rgba(229, 62, 62, 0.15);
}

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

.quote-form-footer {
    display: flex;
    justify-content: flex-end;
}

.quote-submit-btn {
    min-width: 220px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.quote-submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

.spinner {
    width: 18px;
    height: 18px;
    stroke: var(--white);
    stroke-width: 3;
    fill: none;
    stroke-dasharray: 45;
    stroke-dashoffset: 45;
    stroke-linecap: round;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { stroke-dashoffset: 0; transform: rotate(360deg); }
}

.quote-form-message {
    margin-top: 20px;
    padding: 16px 20px;
    font-size: 15px;
    line-height: 1.5;
    border-left: 4px solid;
}

.quote-form-message.success {
    background: rgba(34, 197, 94, 0.1);
    border-color: #22c55e;
    color: #22c55e;
}

.quote-form-message.error {
    background: rgba(229, 62, 62, 0.1);
    border-color: #e53e3e;
    color: #e53e3e;
}

/* ========================================
   Mobile Menu
   ======================================== */

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    padding: 10px;
}

.mobile-toggle span {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    transition: all 0.3s ease;
}

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

@media (max-width: 1200px) {
    .services-grid,
    .projects-grid { grid-template-columns: repeat(2, 1fr); }
    .products-grid { grid-template-columns: repeat(2, 1fr); }
    .hero-visual { display: none; }
    .project-card.featured { grid-column: span 2; }
    .partners-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 992px) {
    .about-grid { grid-template-columns: 1fr; gap: 60px; }
    .about-visual { order: -1; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 40px; }
    .stat-item:nth-child(2)::after { display: none; }
    .partners-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .container { padding: 0 20px; }
    nav { padding: 15px 20px; }
    .nav-links, .nav-cta { display: none; }
    .mobile-toggle { display: flex; }
    .hero h1 { font-size: 44px; }
    .hero-buttons { flex-direction: column; }
    .services-grid,
    .projects-grid,
    .products-grid { grid-template-columns: 1fr; }
    .project-card.featured { grid-column: span 1; }
    .about-features { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 40px; }
    .footer-bottom { flex-direction: column; gap: 20px; text-align: center; }
    .cta-buttons { flex-direction: column; align-items: center; }
    .portfolio-filters { justify-content: center; }
    .partners-grid { grid-template-columns: 1fr; }
    .additional-projects-grid { grid-template-columns: 1fr; }
    .quote-modal-container { padding: 30px 20px; width: 95%; }
    .quote-form-grid { grid-template-columns: 1fr; }
    .quote-form-footer { justify-content: stretch; }
    .quote-submit-btn { width: 100%; }
}