/* ============================================
   MultiCiv Engineering - Main Stylesheet
   ============================================ */

/* CSS Variables */
:root {
    /* Primary Colors */
    --primary-blue: #1a5f7a;
    --primary-blue-dark: #134b61;
    --primary-blue-light: #2980b9;
    --accent-orange: #e67e22;
    --accent-orange-light: #f39c12;

    /* Neutral Colors */
    --white: #ffffff;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;

    /* Typography */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Open Sans', sans-serif;

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

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
}

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

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

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--gray-700);
    background-color: var(--white);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.2;
    color: var(--gray-900);
}

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

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

ul {
    list-style: none;
}

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

.highlight {
    color: var(--accent-orange);
}

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

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.section-description {
    font-size: 1.125rem;
    color: var(--gray-600);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-normal);
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-dark) 100%);
    color: var(--white);
    box-shadow: 0 4px 14px rgba(26, 95, 122, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(26, 95, 122, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255, 255, 255, 0.8);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--white);
}

.btn-large {
    padding: 18px 36px;
    font-size: 1.05rem;
}

/* ============================================
   Navigation
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition-normal);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    padding: 12px 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-img {
    height: 45px;
    width: auto;
}

.logo-text-mobile {
    display: none;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--white);
    transition: var(--transition-normal);
}

.navbar.scrolled .logo-text {
    color: var(--gray-900);
}

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

.nav-link {
    padding: 10px 18px;
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.navbar.scrolled .nav-link {
    color: var(--gray-700);
}

.nav-link:hover {
    color: var(--white);
    background: rgba(255, 255, 255, 0.1);
}

.navbar.scrolled .nav-link:hover {
    color: var(--primary-blue);
    background: var(--gray-100);
}

.nav-cta {
    background: var(--accent-orange);
    color: var(--white) !important;
}

.nav-cta:hover {
    background: var(--accent-orange-light) !important;
}

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

.hamburger .bar {
    width: 25px;
    height: 3px;
    background: var(--white);
    border-radius: 2px;
    transition: var(--transition-fast);
}

.navbar.scrolled .hamburger .bar {
    background: var(--gray-800);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 120px 24px 80px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--primary-blue-dark) 0%, var(--primary-blue) 50%, var(--primary-blue-light) 100%);
}

.hero-background::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 20% 80%, rgba(230, 126, 34, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 40%);
}

.hero-background::after {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, transparent 0%, rgba(0, 0, 0, 0.2) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    text-align: center;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 700;
    color: var(--white);
    margin-bottom: 24px;
    line-height: 1.15;
}

.hero-title .highlight {
    display: block;
    background: linear-gradient(90deg, var(--accent-orange) 0%, var(--accent-orange-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 40px;
    max-width: 650px;
    margin-left: auto;
    margin-right: auto;
}

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

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.stat {
    text-align: center;
}

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

.stat-label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
}

.scroll-indicator span {
    display: block;
    width: 24px;
    height: 40px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 12px;
    position: relative;
}

.scroll-indicator span::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--white);
    border-radius: 2px;
    animation: scroll-bounce 2s ease-in-out infinite;
}

@keyframes scroll-bounce {
    0%, 100% { opacity: 1; transform: translateX(-50%) translateY(0); }
    50% { opacity: 0.5; transform: translateX(-50%) translateY(10px); }
}

/* ============================================
   Services Section
   ============================================ */
.services {
    padding: var(--section-padding) 0;
    background: var(--gray-50);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
}

.service-card {
    background: var(--white);
    padding: 40px 32px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    border: 1px solid var(--gray-100);
}

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

.service-icon {
    width: 64px;
    height: 64px;
    margin-bottom: 24px;
    color: var(--primary-blue);
}

.service-icon svg {
    width: 100%;
    height: 100%;
}

.service-title {
    font-size: 1.35rem;
    margin-bottom: 12px;
    color: var(--gray-900);
}

.service-description {
    color: var(--gray-600);
    margin-bottom: 20px;
    line-height: 1.7;
}

.service-features {
    margin-bottom: 24px;
}

.service-features li {
    padding: 8px 0;
    padding-left: 24px;
    position: relative;
    color: var(--gray-700);
    font-size: 0.95rem;
}

.service-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    background: var(--accent-orange);
    border-radius: 50%;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-blue);
    font-weight: 600;
    font-size: 0.95rem;
}

.service-link svg {
    width: 18px;
    height: 18px;
    transition: var(--transition-fast);
}

.service-link:hover svg {
    transform: translateX(4px);
}

/* Complementary Services */
.complementary-services {
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

.complementary-services h3 {
    text-align: center;
    font-size: 1.5rem;
    margin-bottom: 30px;
    color: var(--gray-900);
}

.comp-services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 24px;
}

.comp-service {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: var(--gray-50);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.comp-service:hover {
    background: var(--primary-blue);
    color: var(--white);
}

.comp-service svg {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    color: var(--primary-blue);
    transition: var(--transition-fast);
}

.comp-service:hover svg {
    color: var(--white);
}

.comp-service span {
    font-weight: 500;
    font-size: 0.95rem;
}

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

.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-text {
    font-size: 1.05rem;
    color: var(--gray-600);
    margin-bottom: 20px;
    line-height: 1.8;
}

.about-features {
    margin-top: 40px;
}

.about-feature {
    display: flex;
    gap: 20px;
    margin-bottom: 24px;
}

.feature-icon {
    width: 50px;
    height: 50px;
    flex-shrink: 0;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-light) 100%);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-icon svg {
    width: 24px;
    height: 24px;
    color: var(--white);
}

.feature-content h4 {
    font-size: 1.1rem;
    margin-bottom: 4px;
}

.feature-content p {
    color: var(--gray-600);
    font-size: 0.95rem;
}

/* About Card */
.about-visual {
    display: flex;
    justify-content: center;
}

.about-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    width: 100%;
    max-width: 400px;
    border: 1px solid var(--gray-200);
}

.card-header {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-dark) 100%);
    padding: 40px 30px;
    text-align: center;
    color: var(--white);
}

.card-icon {
    display: inline-flex;
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.card-icon svg {
    width: 40px;
    height: 40px;
}

.card-header h4 {
    font-size: 1.4rem;
    color: var(--white);
    margin-bottom: 4px;
}

.card-header p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.95rem;
}

.card-body {
    padding: 30px;
}

.skill-item {
    margin-bottom: 20px;
}

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

.skill-name {
    display: block;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--gray-700);
    margin-bottom: 8px;
}

.skill-bar {
    height: 8px;
    background: var(--gray-200);
    border-radius: 4px;
    overflow: hidden;
}

.skill-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-blue) 0%, var(--accent-orange) 100%);
    border-radius: 4px;
    transition: width 1s ease;
}

/* ============================================
   Expertise Section
   ============================================ */
.expertise {
    padding: var(--section-padding) 0;
    background: var(--gray-50);
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 24px;
    margin-bottom: 80px;
}

.tool-card {
    background: var(--white);
    padding: 30px 20px;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
    border: 1px solid var(--gray-100);
}

.tool-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-blue);
}

.tool-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 16px;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    filter: grayscale(30%);
    transition: var(--transition-fast);
}

.tool-card:hover .tool-icon {
    filter: grayscale(0%);
}

.tool-icon.revit {
    background-color: var(--primary-blue);
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 2L2 7l10 5 10-5-10-5zM2 17l10 5 10-5M2 12l10 5 10-5'/%3E%3C/svg%3E");
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 2L2 7l10 5 10-5-10-5zM2 17l10 5 10-5M2 12l10 5 10-5'/%3E%3C/svg%3E");
    mask-size: contain;
    -webkit-mask-size: contain;
}

.tool-icon.autocad {
    background-color: #c41230;
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Crect x='3' y='3' width='18' height='18' rx='2' ry='2'/%3E%3Cline x1='3' y1='9' x2='21' y2='9'/%3E%3Cline x1='9' y1='21' x2='9' y2='9'/%3E%3C/svg%3E");
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Crect x='3' y='3' width='18' height='18' rx='2' ry='2'/%3E%3Cline x1='3' y1='9' x2='21' y2='9'/%3E%3Cline x1='9' y1='21' x2='9' y2='9'/%3E%3C/svg%3E");
    mask-size: contain;
    -webkit-mask-size: contain;
}

.tool-icon.epanet {
    background-color: #0066cc;
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 2C12 2 6 9 6 13a6 6 0 1012 0c0-4-6-11-6-11z'/%3E%3C/svg%3E");
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 2C12 2 6 9 6 13a6 6 0 1012 0c0-4-6-11-6-11z'/%3E%3C/svg%3E");
    mask-size: contain;
    -webkit-mask-size: contain;
}

.tool-icon.arcgis {
    background-color: #2aaa57;
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Ccircle cx='12' cy='12' r='10'/%3E%3Cline x1='2' y1='12' x2='22' y2='12'/%3E%3Cpath d='M12 2a15.3 15.3 0 014 10 15.3 15.3 0 01-4 10 15.3 15.3 0 01-4-10 15.3 15.3 0 014-10z'/%3E%3C/svg%3E");
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Ccircle cx='12' cy='12' r='10'/%3E%3Cline x1='2' y1='12' x2='22' y2='12'/%3E%3Cpath d='M12 2a15.3 15.3 0 014 10 15.3 15.3 0 01-4 10 15.3 15.3 0 01-4-10 15.3 15.3 0 014-10z'/%3E%3C/svg%3E");
    mask-size: contain;
    -webkit-mask-size: contain;
}

.tool-icon.covadis {
    background-color: #ff6600;
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpolygon points='12 2 22 8.5 22 15.5 12 22 2 15.5 2 8.5 12 2'/%3E%3Cline x1='12' y1='22' x2='12' y2='8.5'/%3E%3Cline x1='22' y1='8.5' x2='2' y2='8.5'/%3E%3C/svg%3E");
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpolygon points='12 2 22 8.5 22 15.5 12 22 2 15.5 2 8.5 12 2'/%3E%3Cline x1='12' y1='22' x2='12' y2='8.5'/%3E%3Cline x1='22' y1='8.5' x2='2' y2='8.5'/%3E%3C/svg%3E");
    mask-size: contain;
    -webkit-mask-size: contain;
}

.tool-icon.navisworks {
    background-color: #00a884;
    mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M21 16V8a2 2 0 00-1-1.73l-7-4a2 2 0 00-2 0l-7 4A2 2 0 003 8v8a2 2 0 001 1.73l7 4a2 2 0 002 0l7-4A2 2 0 0021 16z'/%3E%3Cpolyline points='3.27 6.96 12 12.01 20.73 6.96'/%3E%3Cline x1='12' y1='22.08' x2='12' y2='12'/%3E%3C/svg%3E");
    -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M21 16V8a2 2 0 00-1-1.73l-7-4a2 2 0 00-2 0l-7 4A2 2 0 003 8v8a2 2 0 001 1.73l7 4a2 2 0 002 0l7-4A2 2 0 0021 16z'/%3E%3Cpolyline points='3.27 6.96 12 12.01 20.73 6.96'/%3E%3Cline x1='12' y1='22.08' x2='12' y2='12'/%3E%3C/svg%3E");
    mask-size: contain;
    -webkit-mask-size: contain;
}

.tool-card h4 {
    font-size: 1rem;
    margin-bottom: 4px;
}

.tool-card p {
    color: var(--gray-500);
    font-size: 0.85rem;
}

/* Experience Section */
.experience-section {
    padding-top: 40px;
}

.experience-section h3 {
    text-align: center;
    font-size: 1.75rem;
    margin-bottom: 40px;
}

.experience-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.experience-card {
    background: var(--white);
    padding: 35px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    border-left: 4px solid var(--accent-orange);
    transition: var(--transition-normal);
}

.experience-card:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-lg);
}

.exp-icon {
    width: 50px;
    height: 50px;
    background: var(--gray-100);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.exp-icon svg {
    width: 24px;
    height: 24px;
    color: var(--primary-blue);
}

.experience-card h4 {
    font-size: 1.25rem;
    margin-bottom: 8px;
}

.exp-detail {
    color: var(--accent-orange);
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 12px;
}

.experience-card p:last-child {
    color: var(--gray-600);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ============================================
   CTA Section
   ============================================ */
.cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary-blue-dark) 0%, var(--primary-blue) 100%);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.cta-content {
    position: relative;
    text-align: center;
    color: var(--white);
}

.cta-content h2 {
    font-size: 2.25rem;
    color: var(--white);
    margin-bottom: 16px;
}

.cta-content p {
    font-size: 1.15rem;
    opacity: 0.9;
    margin-bottom: 32px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
}

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

.info-card {
    display: flex;
    gap: 16px;
    padding: 20px;
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    transition: var(--transition-fast);
}

.info-card:hover {
    background: var(--gray-100);
}

.info-icon {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    background: var(--primary-blue);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.info-icon svg {
    width: 22px;
    height: 22px;
    color: var(--white);
}

.info-content h4 {
    font-size: 1rem;
    margin-bottom: 4px;
}

.info-content p {
    color: var(--gray-600);
    font-size: 0.95rem;
}

.info-content a {
    color: var(--primary-blue);
}

.info-content a:hover {
    color: var(--accent-orange);
}

.zone-intervention {
    padding: 24px;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-dark) 100%);
    border-radius: var(--radius-lg);
    color: var(--white);
    margin-top: auto;
}

.zone-intervention h4 {
    color: var(--white);
    margin-bottom: 12px;
}

.zone-intervention p {
    font-size: 0.95rem;
    opacity: 0.95;
    line-height: 1.7;
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--gray-50);
    padding: 40px;
    border-radius: var(--radius-xl);
}

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

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

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--gray-700);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 14px 16px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition-fast);
    background: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(26, 95, 122, 0.1);
}

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

.btn-submit {
    grid-column: 1 / -1;
    justify-self: start;
    margin-top: 10px;
}

.btn-submit svg {
    width: 18px;
    height: 18px;
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--gray-900);
    padding: 60px 0 30px;
    color: var(--gray-400);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid var(--gray-800);
}

.footer-brand .logo-text {
    color: var(--white);
    margin-bottom: 16px;
    display: inline-block;
}

.footer-brand p {
    font-size: 0.95rem;
    line-height: 1.7;
    max-width: 300px;
}

.footer-links h4,
.footer-contact h4 {
    color: var(--white);
    font-size: 1.1rem;
    margin-bottom: 20px;
}

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

.footer-links a {
    color: var(--gray-400);
    font-size: 0.95rem;
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: var(--accent-orange);
    padding-left: 4px;
}

.footer-contact p {
    font-size: 0.95rem;
    line-height: 1.8;
}

.footer-contact a {
    color: var(--gray-400);
}

.footer-contact a:hover {
    color: var(--accent-orange);
}

.footer-bottom {
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    font-size: 0.9rem;
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 50px;
    }

    .about-visual {
        order: -1;
    }

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

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

@media (max-width: 768px) {
    :root {
        --section-padding: 70px;
    }

    .section-title {
        font-size: 2rem;
    }

    /* Navigation Mobile */
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 400px;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        padding: 100px 40px 40px;
        gap: 8px;
        transition: var(--transition-normal);
        box-shadow: var(--shadow-xl);
    }

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

    .nav-link {
        color: var(--gray-700);
        padding: 14px 20px;
        width: 100%;
        border-radius: var(--radius-md);
    }

    .nav-link:hover {
        background: var(--gray-100);
        color: var(--primary-blue);
    }

    .hamburger {
        display: flex;
        z-index: 1001;
    }

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

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

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

    /* Hero Mobile */
    .hero-stats {
        flex-direction: column;
        gap: 30px;
    }

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

    .hero-buttons .btn {
        width: 100%;
        max-width: 300px;
    }

    /* Services Mobile */
    .services-grid {
        grid-template-columns: 1fr;
    }

    /* Tools Mobile */
    .tools-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Experience Mobile */
    .experience-grid {
        grid-template-columns: 1fr;
    }

    /* Contact Form Mobile */
    .contact-form {
        grid-template-columns: 1fr;
    }

    /* Footer Mobile */
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-brand p {
        max-width: 100%;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

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

    .service-card {
        padding: 30px 24px;
    }

    .tools-grid {
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }

    .tool-card {
        padding: 20px 15px;
    }

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

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

.fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

/* Intersection Observer Animation Classes */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}