/* ===== RESET & BASE ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --green: #1565C0;
    --green-dark: #0D47A1;
    --green-light: #E3F2FD;
    --charcoal: #1E1E1E;
    --dark: #2D2D2D;
    --gray-900: #333;
    --gray-700: #555;
    --gray-500: #888;
    --gray-300: #ccc;
    --gray-100: #f5f5f5;
    --white: #fff;
    --shadow-sm: 0 1px 3px rgba(0,0,0,.08);
    --shadow-md: 0 4px 16px rgba(0,0,0,.1);
    --shadow-lg: 0 8px 32px rgba(0,0,0,.12);
    --radius: 8px;
    --radius-lg: 12px;
    --transition: .3s ease;
    --header-height: 120px;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 16px;
    line-height: 1.7;
    color: var(--gray-900);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
}

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

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

a:hover {
    color: var(--green-dark);
}

ul {
    list-style: none;
}

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

.section {
    padding: 96px 0;
}

.section-title {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--charcoal);
    margin-bottom: 16px;
    line-height: 1.2;
}

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

.section-subtitle {
    color: var(--gray-700);
    font-size: 1.125rem;
    text-align: center;
    margin-bottom: 48px;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: .95rem;
    cursor: pointer;
    transition: all var(--transition);
    border: 2px solid transparent;
    text-decoration: none;
    gap: 8px;
}

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

.btn-primary:hover {
    background: var(--green-dark);
    border-color: var(--green-dark);
    color: var(--white);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(21, 101, 192, .35);
}

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

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

.btn-secondary {
    background: var(--gray-100);
    color: var(--gray-900);
    border-color: var(--gray-300);
}

.btn-secondary:hover {
    background: var(--gray-300);
    color: var(--charcoal);
}

.btn-sm {
    padding: 8px 20px;
    font-size: .85rem;
}

.btn-lg {
    padding: 16px 36px;
    font-size: 1.05rem;
}

/* ===== HEADER ===== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    z-index: 1000;
    background: rgba(255,255,255,.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0,0,0,.06);
    transition: box-shadow var(--transition);
    overflow: hidden;
}

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

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

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo-img {
    height: 108px;
    width: auto;
    transform: translateY(12px);
}

.logo-img--footer {
    height: 52px;
    filter: brightness(0) invert(1);
}

.main-nav ul {
    display: flex;
    gap: 32px;
}

.main-nav a {
    color: var(--gray-700);
    font-weight: 500;
    font-size: .95rem;
    position: relative;
    padding: 4px 0;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--green);
    transition: width var(--transition);
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--green);
}

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

.header-contact {
    display: flex;
    align-items: center;
    gap: 16px;
}

.header-phone {
    color: var(--gray-700);
    font-weight: 600;
    font-size: .9rem;
}

.header-phone:hover {
    color: var(--green);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    z-index: 1001;
}

.menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--charcoal);
    border-radius: 2px;
    transition: all var(--transition);
}

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

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

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

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

.hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(0,0,0,.65) 0%, rgba(0,0,0,.3) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    padding-top: var(--header-height);
    max-width: 700px;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--white);
    line-height: 1.15;
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: rgba(255,255,255,.85);
    margin-bottom: 36px;
    line-height: 1.6;
}

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

/* ===== ABOUT ===== */
.about {
    background: var(--white);
}

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

.about-text h2 {
    margin-bottom: 24px;
}

.about-text h3 {
    font-size: 1.3rem;
    color: var(--charcoal);
    margin-top: 32px;
    margin-bottom: 12px;
}

.about-text p {
    color: var(--gray-700);
    margin-bottom: 16px;
}

.check-list {
    margin-top: 20px;
}

.check-list li {
    position: relative;
    padding-left: 28px;
    margin-bottom: 10px;
    color: var(--gray-700);
    font-weight: 500;
}

.check-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--green);
    font-weight: 700;
    font-size: 1.1rem;
}

.about-image img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    height: 420px;
    object-fit: cover;
}

.info-box {
    background: var(--green-light);
    border-left: 4px solid var(--green);
    border-radius: var(--radius);
    padding: 32px;
}

.info-box h3 {
    font-size: 1.25rem;
    color: var(--charcoal);
    margin-bottom: 12px;
}

.info-box p {
    color: var(--gray-700);
    margin-bottom: 12px;
}

.info-box .btn {
    margin-top: 8px;
}

/* ===== SERVICES ===== */
.services {
    background: var(--gray-100);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 48px;
}

.service-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    transition: all var(--transition);
    border: 1px solid rgba(0,0,0,.05);
}

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

.service-icon {
    width: 48px;
    height: 48px;
    color: var(--green);
    margin-bottom: 20px;
}

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

.service-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--charcoal);
    margin-bottom: 12px;
    line-height: 1.4;
}

.service-card p {
    font-size: .9rem;
    color: var(--gray-700);
    line-height: 1.6;
}

.services-cta {
    text-align: center;
}

/* ===== GALLERY ===== */
.gallery {
    background: var(--white);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 12px;
}

.gallery-item {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    cursor: pointer;
    aspect-ratio: 1;
}

.gallery-item:nth-child(1) {
    grid-column: span 2;
    grid-row: span 2;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .5s ease;
}

.gallery-item:hover img {
    transform: scale(1.05);
}

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,.4);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-zoom {
    color: var(--white);
    font-size: 1.5rem;
}

/* ===== LIGHTBOX ===== */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(0,0,0,.92);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
}

.lightbox.active {
    opacity: 1;
    visibility: visible;
}

.lightbox-img {
    max-width: 90vw;
    max-height: 90vh;
    object-fit: contain;
    border-radius: var(--radius);
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
    position: absolute;
    background: none;
    border: none;
    color: var(--white);
    font-size: 2rem;
    cursor: pointer;
    padding: 12px;
    transition: opacity var(--transition);
    z-index: 10;
}

.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover {
    opacity: .7;
}

.lightbox-close {
    top: 20px;
    right: 24px;
    font-size: 2.5rem;
}

.lightbox-prev {
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
}

.lightbox-next {
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
}

/* ===== CONTACT ===== */
.contact {
    background: var(--gray-100);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1.2fr .8fr;
    gap: 48px;
    align-items: start;
}

.contact-form {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-sm);
}

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

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

label {
    display: block;
    font-weight: 600;
    font-size: .9rem;
    color: var(--gray-900);
    margin-bottom: 6px;
}

.required {
    color: #e53935;
}

input[type="text"],
input[type="email"],
input[type="tel"],
textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1.5px solid var(--gray-300);
    border-radius: var(--radius);
    font-family: inherit;
    font-size: .95rem;
    transition: border-color var(--transition), box-shadow var(--transition);
    background: var(--white);
    color: var(--gray-900);
}

input:focus,
textarea:focus {
    outline: none;
    border-color: var(--green);
    box-shadow: 0 0 0 3px rgba(21, 101, 192, .15);
}

input::placeholder,
textarea::placeholder {
    color: var(--gray-500);
}

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

.form-error {
    display: block;
    color: #e53935;
    font-size: .8rem;
    margin-top: 4px;
    min-height: 18px;
}

.alert {
    padding: 16px 20px;
    border-radius: var(--radius);
    margin-bottom: 24px;
    font-weight: 500;
    font-size: .95rem;
}

.alert-success {
    background: #E3F2FD;
    color: #0D47A1;
    border: 1px solid #1565C0;
}

.alert-error {
    background: #FFEBEE;
    color: #c62828;
    border: 1px solid #EF9A9A;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-info-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow-sm);
}

.contact-info-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    margin-bottom: 24px;
}

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

.contact-info-item svg {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    color: var(--green);
    margin-top: 2px;
}

.contact-info-item strong {
    display: block;
    font-size: .85rem;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: .5px;
    margin-bottom: 4px;
}

.contact-info-item a,
.contact-info-item span {
    color: var(--gray-900);
    font-weight: 600;
    font-size: 1rem;
}

.contact-links-card h4 {
    font-size: 1rem;
    color: var(--charcoal);
    margin-bottom: 12px;
}

.contact-links-card li {
    margin-bottom: 8px;
}

.contact-links-card a {
    color: var(--green);
    font-weight: 500;
}

.contact-links-card a:hover {
    text-decoration: underline;
}

/* ===== FOOTER ===== */
.site-footer {
    background: var(--charcoal);
    color: rgba(255,255,255,.7);
    padding: 64px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255,255,255,.1);
}

.footer-brand .logo {
    display: inline-flex;
    margin-bottom: 12px;
}

.footer-brand p {
    font-size: .9rem;
    line-height: 1.6;
    max-width: 280px;
}

.site-footer h4 {
    color: var(--white);
    font-size: .95rem;
    font-weight: 700;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: .5px;
}

.footer-services ul {
    columns: 2;
    gap: 0 24px;
}

.footer-services li {
    font-size: .85rem;
    margin-bottom: 8px;
    padding-left: 12px;
    position: relative;
}

.footer-services li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--green);
    font-size: .75rem;
}

.footer-contact a {
    color: rgba(255,255,255,.8);
    display: block;
    margin-bottom: 8px;
    font-size: .9rem;
}

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

.footer-social {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255,255,255,.1);
    color: rgba(255,255,255,.8);
    margin-top: 12px;
    transition: background var(--transition), color var(--transition);
}

.footer-social:hover {
    background: #1877F2;
    color: #fff;
}

.footer-contact .btn {
    margin-top: 12px;
}

.footer-bottom {
    text-align: center;
    padding: 24px 0;
    font-size: .8rem;
    color: rgba(255,255,255,.4);
}

/* ===== ANIMATIONS ===== */
.fade-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity .6s ease, transform .6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

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

    .gallery-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .gallery-item:nth-child(1) {
        grid-column: span 2;
        grid-row: span 1;
        aspect-ratio: 2/1;
    }

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

    .footer-brand {
        grid-column: span 2;
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 72px;
    }

    .logo-img {
        height: 52px;
    }

    .section {
        padding: 64px 0;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .section-subtitle {
        font-size: 1rem;
        margin-bottom: 32px;
    }

    .menu-toggle {
        display: flex;
    }

    .main-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--white);
        padding: 80px 32px 32px;
        box-shadow: var(--shadow-lg);
        transition: right var(--transition);
        z-index: 999;
    }

    .main-nav.open {
        right: 0;
    }

    .main-nav ul {
        flex-direction: column;
        gap: 0;
    }

    .main-nav li {
        border-bottom: 1px solid var(--gray-100);
    }

    .main-nav a {
        display: block;
        padding: 16px 0;
        font-size: 1.05rem;
    }

    .header-contact {
        display: none;
    }

    .hero h1 {
        font-size: 2.25rem;
    }

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

    .about-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .about-image {
        order: -1;
    }

    .about-image img {
        height: 280px;
    }

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

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

    .gallery-item:nth-child(1) {
        grid-column: span 2;
        aspect-ratio: 2/1;
    }

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

    .contact-form {
        padding: 24px;
    }

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

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

    .footer-brand {
        grid-column: auto;
    }

    .footer-services ul {
        columns: 1;
    }

    .lightbox-close {
        top: 12px;
        right: 12px;
    }

    .lightbox-prev {
        left: 8px;
    }

    .lightbox-next {
        right: 8px;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.85rem;
    }

    .hero-actions {
        flex-direction: column;
    }

    .hero-actions .btn {
        width: 100%;
    }

    .gallery-grid {
        grid-template-columns: 1fr 1fr;
        gap: 8px;
    }

    .gallery-item:nth-child(1) {
        grid-column: span 1;
        grid-row: span 1;
        aspect-ratio: 1;
    }
}