/* =========================================================
   HOTECC - HOT Engineering & Construction Co. KSCC
   Modern Corporate Website Stylesheet
   ========================================================= */

/* CSS Variables */
:root {
    --primary: #003366;
    --primary-dark: #002244;
    --primary-light: #0055a4;
    --secondary: #e67e22;
    --secondary-dark: #d35400;
    --accent: #f1c40f;
    --dark: #1a1a2e;
    --text: #2c3e50;
    --text-light: #5a6a7a;
    --bg: #ffffff;
    --bg-alt: #f5f7fa;
    --bg-dark: #eef1f5;
    --border: #d1d9e0;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.14);
    --radius: 8px;
    --radius-lg: 12px;
    --max-width: 1200px;
    --header-height: 82px;
    --transition: all 0.3s ease;
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

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

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

body {
    font-family: var(--font-main);
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

a:hover {
    color: var(--secondary);
}

ul {
    list-style: none;
}

h1, h2, h3, h4, h5, h6 {
    line-height: 1.2;
    color: var(--primary);
    font-weight: 700;
}

p {
    margin-bottom: 1rem;
}

section {
    padding: 5rem 1rem;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1rem;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2.25rem;
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.section-header h2 span {
    color: var(--secondary);
}

.section-header p {
    color: var(--text-light);
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 1.75rem;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

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

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

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

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

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

/* Top Bar */
.top-bar {
    background: var(--primary-dark);
    color: rgba(255, 255, 255, 0.85);
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.top-bar a {
    color: rgba(255, 255, 255, 0.85);
}

.top-bar a:hover {
    color: var(--accent);
}

.top-bar i {
    margin-right: 0.35rem;
    color: var(--secondary);
}

/* Header */
.header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.06);
    height: var(--header-height);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo img {
    height: 58px;
    width: auto;
    max-width: 360px;
    object-fit: contain;
}

.logo-text {
    display: none;
}

/* Navigation */
.nav {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    gap: 0.2rem;
}

.nav-list a {
    display: block;
    padding: 0.45rem 0.6rem;
    color: var(--text);
    font-weight: 500;
    font-size: 0.82rem;
    border-radius: var(--radius);
    white-space: nowrap;
    letter-spacing: 0.2px;
}

.nav-list a:hover,
.nav-list a.active {
    color: var(--secondary);
    background: rgba(230, 126, 34, 0.08);
}

.nav-list a.active {
    font-weight: 600;
}

.dropdown {
    position: relative;
}

.dropdown-toggle::after {
    content: '▾';
    margin-left: 0.35rem;
    font-size: 0.7rem;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    min-width: 220px;
    box-shadow: var(--shadow-hover);
    border-radius: var(--radius);
    padding: 0.5rem 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
    border-top: 3px solid var(--secondary);
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu a {
    padding: 0.65rem 1.25rem;
    font-size: 0.88rem;
    border-bottom: 1px solid var(--bg-alt);
}

.dropdown-menu a:last-child {
    border-bottom: none;
}

/* Mobile Menu */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.mobile-menu-toggle span {
    display: block;
    width: 26px;
    height: 3px;
    background: var(--primary);
    border-radius: 2px;
    transition: var(--transition);
}

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

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

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

/* Hero Slider */
.hero {
    position: relative;
    height: 85vh;
    min-height: 600px;
    max-height: 900px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-slide {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1.2s ease-in-out;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-slide.active {
    opacity: 1;
}

.hero-slide::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(0, 51, 102, 0.88) 0%, rgba(0, 34, 68, 0.75) 50%, rgba(26, 26, 46, 0.65) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
    padding: 2rem;
    color: white;
}

.hero-content h1 {
    font-size: 3.2rem;
    color: white;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.hero-content p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-dots {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.75rem;
    z-index: 3;
}

.hero-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
}

.hero-dot.active {
    background: var(--secondary);
    transform: scale(1.2);
}

.hero-dot:hover {
    background: white;
}

/* Intro Section */
.intro {
    background: var(--bg);
    padding: 5rem 1rem;
}

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

.intro-content h2 {
    font-size: 2rem;
    margin-bottom: 1.25rem;
}

.intro-content h2 span {
    color: var(--secondary);
}

.intro-content p {
    color: var(--text-light);
    margin-bottom: 1.25rem;
}

.intro-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

.stat-card {
    text-align: center;
    padding: 1.25rem;
    background: var(--bg-alt);
    border-radius: var(--radius);
    border-left: 4px solid var(--secondary);
}

.stat-card strong {
    display: block;
    font-size: 1.75rem;
    color: var(--primary);
    margin-bottom: 0.25rem;
}

.stat-card span {
    font-size: 0.85rem;
    color: var(--text-light);
}

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

.intro-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.intro-image::after {
    content: '';
    position: absolute;
    bottom: -20px;
    right: -20px;
    width: 100px;
    height: 100px;
    background: var(--secondary);
    border-radius: var(--radius);
    z-index: -1;
}

/* Service Category Cards */
.services-section {
    background: var(--bg-alt);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
}

.service-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 2rem 1.5rem;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border-bottom: 4px solid var(--secondary);
}

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

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-alt);
    border-radius: 50%;
}

.service-icon img,
.service-icon svg {
    width: 45px;
    height: 45px;
}

.service-card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.75rem;
}

.service-card p {
    color: var(--text-light);
    font-size: 0.92rem;
    margin-bottom: 1rem;
}

.service-card a {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--secondary);
}

.service-card a:hover {
    color: var(--secondary-dark);
}

/* Projects */
.projects-section {
    background: var(--bg);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.75rem;
}

.project-card {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

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

.project-image {
    position: relative;
    height: 220px;
    overflow: hidden;
    background: var(--primary);
}

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

.project-card:hover .project-image img {
    transform: scale(1.05);
}

.project-tag {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: var(--secondary);
    color: white;
    padding: 0.35rem 0.75rem;
    border-radius: var(--radius);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.project-body {
    padding: 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.project-body h3 {
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
}

.project-body p {
    color: var(--text-light);
    font-size: 0.92rem;
    flex-grow: 1;
}

/* Clients */
.clients-section {
    background: var(--bg-alt);
}

.clients-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1.5rem;
    align-items: center;
}

.client-card {
    background: white;
    padding: 1.5rem;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    height: 110px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.client-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.client-card img {
    max-height: 60px;
    width: auto;
    max-width: 120px;
    object-fit: contain;
}

.client-card span {
    font-weight: 700;
    color: var(--primary);
    text-align: center;
    font-size: 0.95rem;
}

/* Certifications */
.certifications-section {
    background: var(--bg);
}

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

.cert-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border-top: 5px solid var(--primary);
}

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

.cert-card img {
    height: 100px;
    width: auto;
    margin: 0 auto 1.25rem;
}

.cert-card h3 {
    font-size: 1.15rem;
    margin-bottom: 0.5rem;
}

.cert-card p {
    color: var(--text-light);
    font-size: 0.9rem;
}

/* CTA Banner */
.cta-banner {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 4rem 1rem;
    text-align: center;
}

.cta-banner h2 {
    color: white;
    font-size: 2rem;
    margin-bottom: 1rem;
}

.cta-banner p {
    font-size: 1.1rem;
    opacity: 0.9;
    max-width: 700px;
    margin: 0 auto 1.5rem;
}

/* Page Header */
.page-header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 6rem 1rem 4rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><rect width="100" height="100" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></svg>');
    background-size: 40px 40px;
    opacity: 0.3;
}

.page-header .container {
    position: relative;
    z-index: 1;
}

.page-header h1 {
    color: white;
    font-size: 2.75rem;
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.breadcrumbs {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    font-size: 0.9rem;
}

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

.breadcrumbs a:hover {
    color: var(--accent);
}

.breadcrumbs span {
    color: rgba(255, 255, 255, 0.5);
}

/* Content Sections */
.content-section {
    padding: 4rem 1rem;
}

.content-section.alt {
    background: var(--bg-alt);
}

.content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.content-block h2 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

.content-block h2 span {
    color: var(--secondary);
}

.content-block h3 {
    font-size: 1.25rem;
    margin: 1.5rem 0 0.75rem;
}

.content-block p {
    color: var(--text-light);
    margin-bottom: 1rem;
}

.content-block ul {
    margin-bottom: 1.5rem;
}

.content-block ul li {
    padding-left: 1.5rem;
    position: relative;
    margin-bottom: 0.5rem;
    color: var(--text-light);
}

.content-block ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary);
    font-weight: 700;
}

/* Timeline */
.timeline {
    position: relative;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--secondary);
}

.timeline-item {
    position: relative;
    margin-bottom: 2rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -1.6rem;
    top: 0.25rem;
    width: 18px;
    height: 18px;
    background: var(--secondary);
    border-radius: 50%;
    border: 3px solid white;
    box-shadow: 0 0 0 3px var(--secondary);
}

.timeline-item strong {
    display: block;
    color: var(--primary);
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.timeline-item p {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* Feature List */
.feature-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.feature-item {
    display: flex;
    gap: 1rem;
    background: white;
    padding: 1.5rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.feature-icon {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    background: rgba(230, 126, 34, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--secondary);
    font-size: 1.25rem;
}

.feature-text h4 {
    font-size: 1.1rem;
    margin-bottom: 0.35rem;
}

.feature-text p {
    font-size: 0.9rem;
    margin-bottom: 0;
}

/* Values / Vision Cards */
.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.value-card {
    background: white;
    padding: 2rem;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.value-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--secondary);
}

.value-card h3 {
    margin-bottom: 0.75rem;
}

/* Contact Page */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.contact-info h2 {
    margin-bottom: 1.5rem;
}

.contact-detail {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.25rem;
    align-items: flex-start;
}

.contact-detail i {
    width: 45px;
    height: 45px;
    background: rgba(230, 126, 34, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--secondary);
    font-size: 1.1rem;
    flex-shrink: 0;
}

.contact-detail strong {
    display: block;
    color: var(--primary);
    margin-bottom: 0.25rem;
}

.contact-detail span {
    color: var(--text-light);
    font-size: 0.95rem;
}

.contact-form {
    background: white;
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--primary);
    font-size: 0.9rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.875rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-family: var(--font-main);
    font-size: 0.95rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--secondary);
    box-shadow: 0 0 0 3px rgba(230, 126, 34, 0.15);
}

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

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

.map-container {
    margin-top: 2rem;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    height: 350px;
    background: var(--bg-alt);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
}

/* Tables */
.data-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    margin: 1.5rem 0;
}

.data-table th,
.data-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.data-table th {
    background: var(--primary);
    color: white;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
}

.data-table tr:last-child td {
    border-bottom: none;
}

.data-table tr:hover td {
    background: var(--bg-alt);
}

/* Gallery */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

.gallery-item {
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    height: 220px;
    background: var(--bg-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* News Cards */
.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.news-card {
    background: white;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.news-date {
    background: var(--secondary);
    color: white;
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
    font-weight: 600;
}

.news-body {
    padding: 1.5rem;
}

.news-body h3 {
    font-size: 1.15rem;
    margin-bottom: 0.75rem;
}

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

/* Footer */
.footer {
    background: var(--dark);
    color: rgba(255, 255, 255, 0.75);
    padding: 4rem 1rem 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    gap: 2.5rem;
    margin-bottom: 3rem;
}

.footer-brand img {
    height: 60px;
    margin-bottom: 1.25rem;
}

.footer-brand p {
    font-size: 0.92rem;
    margin-bottom: 1.25rem;
}

.footer-brand strong {
    color: white;
}

.footer-social {
    display: flex;
    gap: 0.75rem;
}

.footer-social a {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.9rem;
}

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

.footer-links h4 {
    color: white;
    font-size: 1rem;
    margin-bottom: 1.25rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.footer-links ul li {
    margin-bottom: 0.65rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1.5rem 1rem;
    text-align: center;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.55);
}

/* Back to Top */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 44px;
    height: 44px;
    background: var(--secondary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow-hover);
    border: none;
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

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

/* Utility */
.text-center {
    text-align: center;
}

.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }

/* Responsive */
@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 900px) {
    .mobile-menu-toggle {
        display: flex;
    }

    .nav {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        bottom: 0;
        background: white;
        padding: 1.5rem;
        transform: translateX(100%);
        transition: transform 0.3s ease;
        overflow-y: auto;
        box-shadow: var(--shadow-hover);
    }

    .nav.active {
        transform: translateX(0);
    }

    .nav-list {
        flex-direction: column;
        gap: 0.5rem;
    }

    .nav-list a {
        padding: 0.85rem;
        border-bottom: 1px solid var(--bg-alt);
        border-radius: 0;
    }

    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border-top: none;
        display: none;
        padding-left: 1rem;
    }

    .dropdown.open .dropdown-menu {
        display: block;
    }

    .dropdown-toggle::after {
        float: right;
    }

    .hero-content h1 {
        font-size: 2.2rem;
    }

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

    .intro-image {
        order: -1;
    }

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

@media (max-width: 600px) {
    :root {
        --header-height: 70px;
    }

    section {
        padding: 3rem 1rem;
    }

    .section-header h2 {
        font-size: 1.65rem;
    }

    .hero {
        min-height: 500px;
    }

    .hero-content h1 {
        font-size: 1.75rem;
    }

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

    .page-header h1 {
        font-size: 1.85rem;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

    .btn {
        width: 100%;
    }
}

/* Print */
@media print {
    .header, .footer, .back-to-top, .hero-dots, .mobile-menu-toggle {
        display: none;
    }

    .hero {
        height: auto;
        min-height: 300px;
    }
}