/* ========================================
   Concrete Plus — Stylesheet
   Classic & Elegant · Teal + Slate Grey
   ======================================== */

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

:root {
    --teal-900: #0a3d3d;
    --teal-800: #0d4f4f;
    --teal-700: #106565;
    --teal-600: #147878;
    --teal-500: #1a8a8a;
    --teal-400: #2a9d9d;
    --teal-100: #d1e8e8;
    --teal-50:  #e8f4f4;
    
    --slate-950: #0c1520;
    --slate-900: #111d2e;
    --slate-800: #1a2d42;
    --slate-700: #243b54;
    --slate-600: #3d5a78;
    --slate-500: #5a7a9a;
    --slate-400: #8fa8c0;
    --slate-300: #b8cad8;
    --slate-200: #dce6ef;
    --slate-100: #eef4f9;
    --slate-50:  #f6f9fc;
    
    --gold-500: #c9a227;
    --gold-400: #d4af37;
    --gold-300: #e0c060;
    
    --white: #ffffff;
    --black: #0a0a0a;
    
    --font-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
    --font-sans: 'Lato', 'Helvetica Neue', Arial, sans-serif;
    
    --shadow-sm: 0 1px 3px rgba(12, 21, 32, 0.08);
    --shadow-md: 0 4px 16px rgba(12, 21, 32, 0.10);
    --shadow-lg: 0 8px 32px rgba(12, 21, 32, 0.12);
    --shadow-xl: 0 16px 48px rgba(12, 21, 32, 0.14);
    
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: var(--font-sans);
    color: var(--slate-800);
    background-color: var(--white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
    font-family: var(--font-serif);
    font-weight: 700;
    line-height: 1.2;
    color: var(--slate-900);
}

.section-label {
    display: inline-block;
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--teal-500);
    margin-bottom: 12px;
}

.section-label--light {
    color: var(--teal-300);
}

.section-title {
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    margin-bottom: 16px;
}

.section-title--light {
    color: var(--white);
}

.section-desc {
    font-size: 1.0625rem;
    color: var(--slate-600);
    max-width: 560px;
    line-height: 1.7;
}

.section-header--center {
    text-align: center;
}

.section-header--center .section-desc {
    margin-left: auto;
    margin-right: auto;
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    font-weight: 600;
    padding: 14px 28px;
    border-radius: var(--radius-md);
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.btn--primary {
    background: var(--teal-700);
    color: var(--white);
    border-color: var(--teal-700);
}

.btn--primary:hover {
    background: var(--teal-600);
    border-color: var(--teal-600);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn--ghost {
    background: transparent;
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.4);
}

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

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

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

.btn--lg {
    padding: 16px 32px;
    font-size: 1rem;
}

.btn--full {
    width: 100%;
    justify-content: center;
}

/* ---------- Navbar ---------- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.0);
    backdrop-filter: blur(0px);
    -webkit-backdrop-filter: blur(0px);
    transition: var(--transition);
    border-bottom: 1px solid transparent;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom-color: var(--slate-200);
    box-shadow: var(--shadow-sm);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.nav-logo {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--white);
    display: flex;
    align-items: center;
    gap: 10px;
    transition: var(--transition);
}

.navbar.scrolled .nav-logo {
    color: var(--teal-800);
}

.logo-icon {
    color: var(--gold-400);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    font-size: 0.9375rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.85);
    transition: var(--transition);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gold-400);
    transition: var(--transition);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-link:hover {
    color: var(--white);
}

.navbar.scrolled .nav-link {
    color: var(--slate-600);
}

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

.nav-link--cta {
    background: var(--gold-500);
    color: var(--slate-900) !important;
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    font-weight: 600;
}

.nav-link--cta::after {
    display: none;
}

.nav-link--cta:hover {
    background: var(--gold-400);
    transform: translateY(-1px);
}

.navbar.scrolled .nav-link--cta {
    color: var(--slate-900) !important;
}

/* Mobile nav toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle-line {
    width: 24px;
    height: 2px;
    background: var(--white);
    border-radius: 2px;
    transition: var(--transition);
}

.navbar.scrolled .nav-toggle-line {
    background: var(--slate-800);
}

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

.nav-toggle.active .nav-toggle-line:nth-child(2) {
    opacity: 0;
}

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

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

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(10, 61, 61, 0.88) 0%,
        rgba(13, 79, 79, 0.80) 40%,
        rgba(20, 120, 120, 0.65) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    padding: 0 24px;
    padding-top: 72px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(201, 162, 39, 0.15);
    border: 1px solid rgba(201, 162, 39, 0.4);
    color: var(--gold-300);
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 8px 20px;
    border-radius: 50px;
    margin-bottom: 28px;
}

.hero-badge svg {
    flex-shrink: 0;
}

.hero-headline {
    font-size: clamp(2.25rem, 6vw, 4.5rem);
    color: var(--white);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -0.01em;
}

.hero-accent {
    color: var(--gold-400);
    font-style: italic;
    font-weight: 400;
}

.hero-sub {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    justify-content: center;
}

.hero-scroll {
    position: absolute;
    bottom: 36px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
    color: rgba(255, 255, 255, 0.6);
    animation: float 2.4s ease-in-out infinite;
    transition: var(--transition);
}

.hero-scroll:hover {
    color: var(--white);
}

@keyframes float {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(8px); }
}

/* ---------- Trust Bar ---------- */
.trust-bar {
    background: var(--slate-50);
    border-bottom: 1px solid var(--slate-200);
    padding: 28px 0;
}

.trust-items {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 40px;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--slate-700);
}

.trust-icon {
    color: var(--teal-600);
    flex-shrink: 0;
}

/* ---------- Services ---------- */
.services {
    padding: 100px 0;
    background: var(--white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    margin-top: 56px;
}

.service-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--slate-200);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--teal-200);
}

.service-card-img {
    height: 200px;
    overflow: hidden;
}

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

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

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

.service-card-body h3 {
    font-size: 1.1875rem;
    margin-bottom: 10px;
    color: var(--slate-900);
}

.service-card-body p {
    font-size: 0.9375rem;
    color: var(--slate-600);
    line-height: 1.7;
}

/* ---------- About ---------- */
.about {
    padding: 100px 0;
    background: var(--slate-900);
    position: relative;
    overflow: hidden;
}

.about::before {
    content: '';
    position: absolute;
    top: -200px;
    right: -200px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(26, 138, 138, 0.12) 0%, transparent 70%);
    pointer-events: none;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.about-images {
    position: relative;
}

.about-img-main {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

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

.about-img-secondary {
    position: absolute;
    bottom: -40px;
    right: -30px;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 4px solid var(--slate-800);
    box-shadow: var(--shadow-lg);
}

.about-img-secondary img {
    width: 260px;
    height: 180px;
    object-fit: cover;
    display: block;
}

.about-experience {
    position: absolute;
    top: -20px;
    left: -20px;
    background: var(--teal-700);
    color: var(--white);
    padding: 20px 24px;
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.about-exp-number {
    display: block;
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 700;
    line-height: 1;
    color: var(--gold-400);
}

.about-exp-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 4px;
}

.about-content {
    position: relative;
    z-index: 1;
}

.about-text {
    font-size: 1.0625rem;
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.8;
    margin-bottom: 20px;
}

.about-values {
    margin-top: 36px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.about-value {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.9375rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.85);
}

.about-value-icon {
    color: var(--gold-400);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: rgba(201, 162, 39, 0.1);
    border-radius: var(--radius-sm);
}

/* ---------- Projects ---------- */
.projects {
    padding: 100px 0;
    background: var(--slate-50);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    grid-template-rows: auto auto;
    gap: 20px;
    margin-top: 56px;
}

.project-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
}

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

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

.project-card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(12, 21, 32, 0.9) 0%, rgba(12, 21, 32, 0.3) 50%, transparent 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 28px;
    opacity: 0;
    transition: var(--transition);
}

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

.project-card-tag {
    display: inline-block;
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--gold-400);
    background: rgba(201, 162, 39, 0.15);
    border: 1px solid rgba(201, 162, 39, 0.3);
    padding: 4px 12px;
    border-radius: 50px;
    width: fit-content;
    margin-bottom: 12px;
}

.project-card-overlay h3 {
    font-size: 1.25rem;
    color: var(--white);
    margin-bottom: 8px;
}

.project-card-overlay p {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

.project-card--large {
    grid-column: span 7;
    min-height: 380px;
}

.project-card:not(.project-card--large) {
    grid-column: span 5;
    min-height: 180px;
}

/* ---------- Testimonials ---------- */
.testimonials {
    padding: 100px 0;
    background: var(--white);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    margin-top: 56px;
}

.testimonial-card {
    background: var(--slate-50);
    border-radius: var(--radius-lg);
    padding: 36px;
    border: 1px solid var(--slate-200);
    transition: var(--transition);
    position: relative;
}

.testimonial-card:hover {
    border-color: var(--teal-300);
    box-shadow: var(--shadow-md);
}

.testimonial-quote {
    margin-bottom: 20px;
}

.testimonial-text {
    font-size: 1rem;
    color: var(--slate-700);
    line-height: 1.8;
    margin-bottom: 24px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.testimonial-name {
    font-family: var(--font-serif);
    font-size: 1rem;
    font-weight: 700;
    color: var(--slate-900);
}

.testimonial-location {
    font-size: 0.8125rem;
    color: var(--slate-500);
}

/* ---------- CTA Section ---------- */
.cta-section {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--teal-900) 0%, var(--teal-700) 100%);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 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");
    pointer-events: none;
}

.cta-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-text {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
    margin-bottom: 40px;
}

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

/* ---------- Contact ---------- */
.contact {
    padding: 100px 0;
    background: var(--slate-900);
    position: relative;
}

.contact::before {
    content: '';
    position: absolute;
    bottom: -150px;
    left: -150px;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(26, 138, 138, 0.10) 0%, transparent 70%);
    pointer-events: none;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
}

.contact-info {
    position: relative;
    z-index: 1;
}

.contact-desc {
    font-size: 1.0625rem;
    color: rgba(255, 255, 255, 0.65);
    line-height: 1.7;
    margin-bottom: 36px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-bottom: 32px;
}

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

.contact-detail-icon {
    color: var(--gold-400);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: rgba(201, 162, 39, 0.1);
    border-radius: var(--radius-sm);
}

.contact-detail strong {
    display: block;
    font-family: var(--font-serif);
    font-size: 1rem;
    color: var(--white);
    margin-bottom: 4px;
}

.contact-detail span,
.contact-detail a {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.65);
    transition: var(--transition);
}

.contact-detail a:hover {
    color: var(--gold-400);
}

.contact-map {
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 40px;
    box-shadow: var(--shadow-xl);
    position: relative;
    z-index: 1;
}

.contact-form-title {
    font-size: 1.5rem;
    margin-bottom: 28px;
    color: var(--slate-900);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

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

.form-group label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--slate-700);
    margin-bottom: 6px;
    letter-spacing: 0.02em;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    color: var(--slate-800);
    background: var(--slate-50);
    border: 1.5px solid var(--slate-200);
    border-radius: var(--radius-sm);
    transition: var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--teal-500);
    background: var(--white);
    box-shadow: 0 0 0 3px rgba(26, 138, 138, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--slate-400);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-success {
    text-align: center;
    padding: 48px 24px;
}

.form-success-icon {
    color: var(--teal-600);
    margin-bottom: 20px;
}

.form-success h3 {
    font-size: 1.5rem;
    margin-bottom: 12px;
    color: var(--slate-900);
}

.form-success p {
    color: var(--slate-600);
    line-height: 1.7;
}

/* ---------- Footer ---------- */
.footer {
    background: var(--slate-950);
    padding: 64px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand p {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.7;
    margin-top: 16px;
    max-width: 280px;
}

.footer-logo {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--white);
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-logo-icon {
    color: var(--gold-400);
}

.footer-col h4 {
    font-family: var(--font-sans);
    font-size: 0.8125rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--white);
    margin-bottom: 20px;
}

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

.footer-col a,
.footer-col li {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.5);
    transition: var(--transition);
}

.footer-col a:hover {
    color: var(--gold-400);
}

.footer-bottom {
    padding: 24px 0;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.3);
}

/* ---------- Scroll Reveal (progressive enhancement) ---------- */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.6s ease, transform 0.6s ease;
    }
    
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
    
    .reveal-delay-1 { transition-delay: 0.1s; }
    .reveal-delay-2 { transition-delay: 0.2s; }
    .reveal-delay-3 { transition-delay: 0.3s; }
    .reveal-delay-4 { transition-delay: 0.4s; }
    .reveal-delay-5 { transition-delay: 0.5s; }
    .reveal-delay-6 { transition-delay: 0.6s; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-grid {
        gap: 48px;
    }
    
    .projects-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .project-card--large {
        grid-column: span 2;
        min-height: 300px;
    }
    
    .project-card:not(.project-card--large) {
        grid-column: span 1;
        min-height: 200px;
    }
    
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .testimonials-grid .testimonial-card:last-child {
        grid-column: span 2;
        max-width: 50%;
        margin: 0 auto;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 36px;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
        z-index: 1001;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--slate-900);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 24px;
        transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: var(--shadow-xl);
    }
    
    .nav-menu.open {
        right: 0;
    }
    
    .nav-link {
        color: rgba(255, 255, 255, 0.8) !important;
        font-size: 1.0625rem;
    }
    
    .nav-link:hover {
        color: var(--white) !important;
    }
    
    .nav-link--cta {
        color: var(--slate-900) !important;
    }
    
    .hero-headline {
        font-size: clamp(2rem, 8vw, 3rem);
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-actions .btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .about-images {
        max-width: 480px;
        margin: 0 auto;
    }
    
    .about-img-secondary {
        right: -10px;
        bottom: -20px;
    }
    
    .about-img-secondary img {
        width: 200px;
        height: 140px;
    }
    
    .about-values {
        grid-template-columns: 1fr;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .project-card--large,
    .project-card:not(.project-card--large) {
        grid-column: span 1;
        min-height: 220px;
    }
    
    .project-card-overlay {
        opacity: 1;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .testimonials-grid .testimonial-card:last-child {
        grid-column: span 1;
        max-width: 100%;
    }
    
    .cta-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-actions .btn {
        width: 100%;
        max-width: 320px;
        justify-content: center;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .contact-form-wrapper {
        padding: 28px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .trust-items {
        gap: 24px;
    }
    
    .trust-item {
        font-size: 0.875rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .services,
    .about,
    .projects,
    .testimonials,
    .cta-section,
    .contact {
        padding: 72px 0;
    }
    
    .hero-content {
        padding-top: 60px;
    }
    
    .service-card-body {
        padding: 20px;
    }
    
    .testimonial-card {
        padding: 24px;
    }
}