/* ============================================
   Crossbo Construction — Styles
   Classic & Elegant | Midnight Blue + Mint
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
    --color-midnight: #0a1f3f;
    --color-midnight-light: #132d54;
    --color-midnight-dark: #061428;
    --color-mint: #7ecba8;
    --color-mint-light: #a8dfc8;
    --color-mint-dark: #5fb890;
    --color-cream: #f7f5f0;
    --color-warm-gray: #e8e4dd;
    --color-text: #1a1a1a;
    --color-text-light: #555555;
    --color-text-muted: #777777;
    --color-white: #ffffff;
    --color-overlay: rgba(10, 31, 63, 0.7);

    --font-display: 'Playfair Display', Georgia, 'Times New Roman', serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;
    --space-2xl: 6rem;
    --space-3xl: 8rem;

    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;

    --shadow-sm: 0 1px 3px rgba(10, 31, 63, 0.08);
    --shadow-md: 0 4px 16px rgba(10, 31, 63, 0.1);
    --shadow-lg: 0 8px 32px rgba(10, 31, 63, 0.12);
    --shadow-xl: 0 16px 48px rgba(10, 31, 63, 0.15);

    --transition-fast: 0.2s ease;
    --transition-med: 0.35s ease;
    --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-cream);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img, svg {
    display: block;
    max-width: 100%;
}

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

ul, ol {
    list-style: none;
}

address {
    font-style: normal;
}

/* --- Utility --- */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.skip-link {
    position: absolute;
    top: -100%;
    left: var(--space-sm);
    background: var(--color-midnight);
    color: var(--color-white);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    z-index: 9999;
    font-size: 0.875rem;
}

.skip-link:focus {
    top: var(--space-sm);
}

/* --- Section Header --- */
.section-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto var(--space-xl);
}

.section-header__eyebrow {
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-mint-dark);
    margin-bottom: var(--space-sm);
}

.section-header__title {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    font-weight: 700;
    color: var(--color-midnight);
    line-height: 1.2;
    margin-bottom: var(--space-sm);
}

.section-header__sub {
    font-size: 1.05rem;
    color: var(--color-text-light);
    line-height: 1.7;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 500;
    padding: 0.875rem 2rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.btn--primary {
    background: var(--color-mint);
    color: var(--color-midnight);
    border: 2px solid var(--color-mint);
}

.btn--primary:hover,
.btn--primary:focus-visible {
    background: var(--color-mint-light);
    border-color: var(--color-mint-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn--outline {
    background: transparent;
    color: var(--color-midnight);
    border: 2px solid var(--color-midnight);
}

.btn--outline:hover,
.btn--outline:focus-visible {
    background: var(--color-midnight);
    color: var(--color-white);
    transform: translateY(-2px);
}

.btn--light {
    background: var(--color-white);
    color: var(--color-midnight);
    border: 2px solid var(--color-white);
}

.btn--light:hover,
.btn--light:focus-visible {
    background: var(--color-mint-light);
    border-color: var(--color-mint-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn--outline-light {
    background: transparent;
    color: var(--color-white);
    border: 2px solid rgba(255,255,255,0.5);
}

.btn--outline-light:hover,
.btn--outline-light:focus-visible {
    border-color: var(--color-white);
    background: rgba(255,255,255,0.1);
    transform: translateY(-2px);
}

.btn--full {
    width: 100%;
}

/* --- Header --- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(247, 245, 240, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(10, 31, 63, 0.06);
    transition: all var(--transition-med);
}

.header.scrolled {
    box-shadow: var(--shadow-sm);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-midnight);
    font-weight: 600;
    transition: opacity var(--transition-fast);
}

.logo:hover { opacity: 0.8; }

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

.logo__icon {
    flex-shrink: 0;
}

.logo__text {
    font-family: var(--font-display);
    font-size: 1.1rem;
    line-height: 1.2;
    white-space: nowrap;
}

/* Navigation */
.nav__list {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.nav__link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-midnight);
    position: relative;
    padding: 0.25rem 0;
    transition: color var(--transition-fast);
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-mint);
    transition: width var(--transition-fast);
}

.nav__link:hover::after,
.nav__link:focus-visible::after {
    width: 100%;
}

.nav__link:hover { color: var(--color-mint-dark); }

.nav__link--cta {
    background: var(--color-midnight);
    color: var(--color-white) !important;
    padding: 0.6rem 1.25rem;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
}

.nav__link--cta::after { display: none; }

.nav__link--cta:hover {
    background: var(--color-midnight-light);
    color: var(--color-white) !important;
}

/* Mobile nav toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    z-index: 1001;
}

.nav-toggle__line {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-midnight);
    border-radius: 2px;
    transition: all var(--transition-fast);
    transform-origin: center;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__line:nth-child(2) {
    opacity: 0;
}

.nav-toggle[aria-expanded="true"] .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;
    background: linear-gradient(
        135deg,
        var(--color-midnight-dark) 0%,
        var(--color-midnight) 35%,
        #1a4a6e 60%,
        var(--color-mint-dark) 85%,
        var(--color-mint) 100%
    );
}

.hero__bg {
    position: absolute;
    inset: 0;
    background-image: url("https://images.pexels.com/photos/5799052/pexels-photo-5799052.jpeg?auto=compress&cs=tinysrgb&fit=crop&w=1920&h=1080");
    background-size: cover;
    background-position: center;
    opacity: 0.18;
    mix-blend-mode: luminosity;
}

.hero__content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    padding: var(--space-3xl) var(--space-md);
}

.hero__eyebrow {
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--color-mint-light);
    margin-bottom: var(--space-md);
}

.hero__headline {
    font-family: var(--font-display);
    font-size: clamp(2rem, 5.5vw, 3.75rem);
    font-weight: 700;
    color: var(--color-white);
    line-height: 1.15;
    margin-bottom: var(--space-md);
}

.hero__sub {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.75;
    max-width: 600px;
    margin: 0 auto var(--space-xl);
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    justify-content: center;
    margin-bottom: var(--space-xl);
}

.hero__trust {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-lg);
    justify-content: center;
}

.hero__trust-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.75);
}

.hero__trust-item svg {
    color: var(--color-mint);
}

.hero__scroll {
    position: absolute;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    animation: float 2.5s ease-in-out infinite;
}

.hero__scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, rgba(255,255,255,0.5), transparent);
}

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

/* --- Services --- */
.services {
    padding: var(--space-3xl) 0;
    background: var(--color-cream);
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.service-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    border: 1px solid rgba(10, 31, 63, 0.06);
    transition: all var(--transition-med);
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
}

.service-card__icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-midnight), var(--color-midnight-light));
    border-radius: var(--radius-md);
    margin-bottom: var(--space-md);
    color: var(--color-mint);
}

.service-card__title {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-midnight);
    margin-bottom: var(--space-sm);
}

.service-card__desc {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    line-height: 1.7;
}

/* --- About --- */
.about {
    padding: var(--space-3xl) 0;
    background: var(--color-white);
}

.about__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: center;
}

.about__image-wrap {
    position: relative;
}

.about__image {
    width: 100%;
    height: 700px;
    object-fit: cover;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.about__badge {
    position: absolute;
    bottom: -24px;
    right: -24px;
    display: flex;
    flex-direction: column;
    background: var(--color-midnight);
    color: var(--color-white);
    padding: var(--space-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.about__badge-number {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-mint);
    line-height: 1;
}

.about__badge-text {
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.7);
}

.about__content {
    max-width: 520px;
}

.about__body {
    font-size: 1rem;
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: var(--space-md);
}

.about__stats {
    display: flex;
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
    padding: var(--space-lg) 0;
    border-top: 1px solid var(--color-warm-gray);
    border-bottom: 1px solid var(--color-warm-gray);
}

.about__stat {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.about__stat-number {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-midnight);
    line-height: 1;
}

.about__stat-label {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

/* --- Projects --- */
.projects {
    padding: var(--space-3xl) 0;
    background: var(--color-cream);
}

.projects__grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    grid-template-rows: auto auto;
    gap: var(--space-md);
}

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

.project-card--large {
    grid-column: span 7;
    grid-row: span 2;
}

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

.project-card__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.project-card__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(10, 31, 63, 0.85) 0%, rgba(10, 31, 63, 0.2) 50%, transparent 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: var(--space-lg);
    transition: background var(--transition-med);
}

.project-card__tag {
    font-size: 0.6875rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-mint);
    margin-bottom: 8px;
}

.project-card__title {
    font-family: var(--font-display);
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--color-white);
    line-height: 1.3;
}

/* --- Testimonials --- */
.testimonials {
    padding: var(--space-3xl) 0;
    background: var(--color-white);
}

.testimonials__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.testimonial-card {
    background: var(--color-cream);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    position: relative;
    border: 1px solid rgba(10, 31, 63, 0.05);
    transition: all var(--transition-med);
}

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

.testimonial-card__quote-mark {
    font-family: var(--font-display);
    font-size: 4rem;
    line-height: 1;
    color: var(--color-mint);
    position: absolute;
    top: var(--space-md);
    left: var(--space-lg);
    opacity: 0.4;
}

.testimonial-card__text {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: var(--space-md);
    margin-top: var(--space-lg);
    position: relative;
    z-index: 1;
}

.testimonial-card__author {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

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

.testimonial-card__name {
    font-weight: 600;
    font-size: 0.9375rem;
    color: var(--color-midnight);
}

.testimonial-card__location {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

/* --- CTA Banner --- */
.cta-banner {
    padding: var(--space-3xl) 0;
    background: linear-gradient(
        135deg,
        var(--color-midnight-dark) 0%,
        var(--color-midnight) 50%,
        #1a4a6e 100%
    );
    position: relative;
    overflow: hidden;
}

.cta-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url("https://images.pexels.com/photos/6474192/pexels-photo-6474192.jpeg?auto=compress&cs=tinysrgb&fit=crop&w=1920&h=600");
    background-size: cover;
    background-position: center;
    opacity: 0.1;
    mix-blend-mode: luminosity;
}

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

.cta-banner__title {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    font-weight: 700;
    color: var(--color-white);
    line-height: 1.2;
    margin-bottom: var(--space-md);
}

.cta-banner__text {
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.75;
    margin-bottom: var(--space-xl);
}

.cta-banner__actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    justify-content: center;
}

/* --- Contact --- */
.contact {
    padding: var(--space-3xl) 0;
    background: var(--color-cream);
}

.contact__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: start;
}

.contact__body {
    font-size: 1rem;
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: var(--space-xl);
}

.contact__details {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.contact__detail {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
}

.contact__detail-icon {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-midnight);
    border-radius: var(--radius-md);
    color: var(--color-mint);
}

.contact__detail-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: 2px;
}

.contact__detail-value {
    display: block;
    font-size: 0.9375rem;
    color: var(--color-midnight);
    font-weight: 500;
}

.contact__detail-value a {
    transition: color var(--transition-fast);
}

.contact__detail-value a:hover {
    color: var(--color-mint-dark);
}

/* Form */
.contact__form-wrap {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(10, 31, 63, 0.06);
}

.contact__form {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group__label {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-midnight);
    letter-spacing: 0.04em;
}

.form-group__input {
    width: 100%;
    padding: 0.75rem 1rem;
    font-family: var(--font-body);
    font-size: 0.9375rem;
    color: var(--color-text);
    background: var(--color-cream);
    border: 1.5px solid var(--color-warm-gray);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    outline: none;
}

.form-group__input:focus {
    border-color: var(--color-mint);
    background: var(--color-white);
    box-shadow: 0 0 0 3px rgba(126, 203, 168, 0.2);
}

.form-group__input::placeholder {
    color: var(--color-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' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%230a1f3f' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
    cursor: pointer;
}

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

.contact__form-note {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    text-align: center;
}

/* Success state */
.contact__success {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--space-2xl) var(--space-lg);
    gap: var(--space-md);
}

.contact__success-icon {
    color: var(--color-mint-dark);
}

.contact__success-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-midnight);
}

.contact__success-text {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    line-height: 1.7;
    max-width: 320px;
}

/* --- Footer --- */
.footer {
    background: var(--color-midnight-dark);
    color: rgba(255, 255, 255, 0.7);
    padding: var(--space-2xl) 0 var(--space-lg);
}

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

.footer__tagline {
    font-size: 0.9rem;
    line-height: 1.7;
    margin-top: var(--space-sm);
    max-width: 300px;
}

.footer__heading {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--space-md);
}

.footer__list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer__list a {
    font-size: 0.875rem;
    transition: color var(--transition-fast);
}

.footer__list a:hover {
    color: var(--color-mint);
}

.footer__list--contact li {
    font-size: 0.875rem;
    line-height: 1.8;
}

.footer__bottom {
    padding-top: var(--space-lg);
    text-align: center;
}

.footer__bottom p {
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.4);
}

/* --- Scroll Animations --- */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    .services__grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .testimonials__grid .testimonial-card:last-child {
        grid-column: span 2;
        max-width: 50%;
        justify-self: center;
    }

    .project-card--large {
        grid-column: span 12;
        grid-row: span 1;
    }

    .project-card:not(.project-card--large) {
        grid-column: span 6;
    }
}

@media (max-width: 768px) {
    :root {
        --space-3xl: 5rem;
    }

    .nav-toggle {
        display: flex;
    }

    .nav {
        position: fixed;
        top: 0;
        right: 0;
        width: 280px;
        height: 100vh;
        background: var(--color-white);
        padding: 100px var(--space-lg) var(--space-xl);
        box-shadow: var(--shadow-xl);
        transform: translateX(100%);
        transition: transform var(--transition-med);
        z-index: 1000;
    }

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

    .nav__list {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-md);
    }

    .nav__link--cta {
        margin-top: var(--space-sm);
    }

    .nav-overlay {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(0,0,0,0.4);
        z-index: 999;
    }

    .nav.open + .nav-overlay,
    .nav-overlay.active {
        display: block;
    }

    .hero__headline {
        font-size: clamp(1.75rem, 7vw, 2.5rem);
    }

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

    .hero__trust {
        flex-direction: column;
        gap: var(--space-sm);
    }

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

    .about__image {
        height: 400px;
    }

    .about__badge {
        right: 16px;
        bottom: -16px;
    }

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

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

    .project-card--large,
    .project-card:not(.project-card--large) {
        grid-column: span 1;
        grid-row: span 1;
    }

    .project-card__img {
        height: 260px;
    }

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

    .testimonials__grid .testimonial-card:last-child {
        grid-column: span 1;
        max-width: 100%;
    }

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

    .footer__inner {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--space-sm);
    }

    .service-card {
        padding: var(--space-lg);
    }

    .contact__form-wrap {
        padding: var(--space-md);
    }
}