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

:root {
    --navy:      #002145;
    --navy-dk:   #001530;
    --blue:      #0066cc;
    --blue-dk:   #004fa3;
    --blue-glow: rgba(0, 102, 204, 0.25);
    --white:     #ffffff;
    --gray-50:   #f7f8fa;
    --gray-100:  #eef0f4;
    --gray-500:  #6b7280;
    --text:      #1a1f2e;
    --radius:    14px;
    --radius-sm: 8px;
    --shadow:    0 2px 16px rgba(0, 33, 69, 0.08);
    --shadow-md: 0 4px 24px rgba(0, 33, 69, 0.12);
    --shadow-lg: 0 8px 40px rgba(0, 33, 69, 0.18);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    color: var(--text);
    background: var(--white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 20px;
}

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

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

/* ===== HEADER ===== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(0, 33, 69, 0.96);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 62px;
    gap: 12px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--white);
    flex-shrink: 0;
}

.logo-mark {
    width: 38px;
    height: 38px;
    background: var(--blue);
    border-radius: 9px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 14px;
    color: white;
    letter-spacing: 0.5px;
    flex-shrink: 0;
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1;
    gap: 2px;
}

.logo-volvo {
    font-size: 15px;
    font-weight: 800;
    letter-spacing: 2.5px;
    color: var(--white);
}

.logo-service {
    font-size: 9.5px;
    font-weight: 500;
    letter-spacing: 3.5px;
    color: rgba(255, 255, 255, 0.55);
}

.header-cta {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--blue);
    color: white;
    font-weight: 600;
    font-size: 14px;
    padding: 10px 18px;
    border-radius: 100px;
    white-space: nowrap;
    transition: background 0.2s ease, transform 0.2s ease;
    flex-shrink: 0;
}

.header-cta:hover {
    background: var(--blue-dk);
    transform: translateY(-1px);
}

.header-cta svg {
    flex-shrink: 0;
}

/* ===== HERO ===== */
.hero {
    position: relative;
    min-height: 92vh;
    display: flex;
    align-items: center;
    background: var(--navy);
    overflow: hidden;
}

.hero-glow {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 75% 55% at 65% 45%, rgba(0, 102, 204, 0.22) 0%, transparent 65%),
        linear-gradient(140deg, #001836 0%, #002145 55%, #001530 100%);
    z-index: 0;
}

.hero-grid-overlay {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
    background-size: 44px 44px;
    z-index: 0;
}

.hero .container {
    position: relative;
    z-index: 1;
    padding-top: 80px;
    padding-bottom: 80px;
}

.hero-content {
    max-width: 580px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    background: rgba(0, 102, 204, 0.18);
    border: 1px solid rgba(0, 102, 204, 0.38);
    color: #6db3ff;
    font-size: 13px;
    font-weight: 500;
    padding: 7px 14px;
    border-radius: 100px;
    margin-bottom: 26px;
}

.hero h1 {
    font-size: clamp(2.4rem, 7vw, 3.8rem);
    font-weight: 800;
    color: var(--white);
    line-height: 1.1;
    margin-bottom: 20px;
    letter-spacing: -0.025em;
}

.hero-desc {
    font-size: 17px;
    color: rgba(255, 255, 255, 0.68);
    max-width: 470px;
    margin-bottom: 38px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    font-weight: 600;
    font-size: 15px;
    padding: 14px 26px;
    border-radius: 100px;
    transition: all 0.2s ease;
    cursor: pointer;
    white-space: nowrap;
    border: none;
}

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

.btn-primary:hover {
    background: var(--blue-dk);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 102, 204, 0.4);
}

.btn-ghost {
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.18);
}

/* ===== SECTION BASE ===== */
.section {
    padding: 88px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 56px;
}

.section-title h2 {
    font-size: clamp(1.85rem, 4vw, 2.6rem);
    font-weight: 800;
    margin-bottom: 10px;
    letter-spacing: -0.02em;
    color: var(--text);
}

.section-title p {
    color: var(--gray-500);
    font-size: 16px;
}

.section-title-light h2 {
    color: var(--white);
}

.section-title-light p {
    color: rgba(255, 255, 255, 0.55);
}

/* ===== SERVICES ===== */
.services-section {
    background: var(--gray-50);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.service-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 28px;
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-100);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.service-icon {
    width: 52px;
    height: 52px;
    background: rgba(0, 102, 204, 0.08);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
}

.service-icon svg {
    width: 26px;
    height: 26px;
    stroke: var(--blue);
}

.service-card h3 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text);
}

.service-card p {
    color: var(--gray-500);
    font-size: 14px;
    line-height: 1.65;
}

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

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.gallery-item {
    position: relative;
    border-radius: var(--radius-sm);
    overflow: hidden;
    aspect-ratio: 4 / 3;
    cursor: pointer;
    background: var(--gray-100);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.35s ease;
    display: block;
}

.gallery-item:hover img {
    transform: scale(1.06);
}

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0, 33, 69, 0.75) 0%, transparent 55%);
    opacity: 0;
    transition: opacity 0.25s ease;
    display: flex;
    align-items: flex-end;
    padding: 14px;
}

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

.gallery-overlay span {
    color: var(--white);
    font-size: 13px;
    font-weight: 600;
}

/* ===== LIGHTBOX ===== */
.lightbox {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 500;
    background: rgba(0, 10, 25, 0.93);
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.lightbox.active {
    display: flex;
}

.lightbox img {
    max-width: 100%;
    max-height: 90vh;
    border-radius: var(--radius-sm);
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.6);
    object-fit: contain;
}

.lightbox-close {
    position: absolute;
    top: 16px;
    right: 20px;
    background: rgba(255, 255, 255, 0.15);
    border: none;
    color: white;
    font-size: 28px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    transition: background 0.2s ease;
}

.lightbox-close:hover {
    background: rgba(255, 255, 255, 0.25);
}

/* ===== WHY US ===== */
.why-section {
    background: var(--navy);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.why-card {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius);
    padding: 32px 28px;
    text-align: center;
    transition: background 0.2s ease;
}

.why-card:hover {
    background: rgba(255, 255, 255, 0.09);
}

.why-icon {
    width: 58px;
    height: 58px;
    background: rgba(0, 102, 204, 0.22);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 18px;
}

.why-icon svg {
    width: 26px;
    height: 26px;
    stroke: #6db3ff;
}

.why-card h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 10px;
}

.why-card p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.58);
    line-height: 1.7;
}

/* ===== CONTACT ===== */
.contact-section {
    background: var(--white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 48px;
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 26px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
}

.contact-icon {
    width: 46px;
    height: 46px;
    background: rgba(0, 102, 204, 0.09);
    border-radius: 11px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-top: 2px;
}

.contact-icon svg {
    width: 22px;
    height: 22px;
    fill: var(--blue);
}

.contact-label {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: var(--gray-500);
    margin-bottom: 5px;
}

.contact-value {
    font-size: 15px;
    font-weight: 500;
    color: var(--text);
    line-height: 1.55;
}

.contact-value.link:hover {
    color: var(--blue);
}

.contact-btn {
    margin-top: 4px;
    align-self: flex-start;
}

.map-wrapper {
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    height: 400px;
    border: 1px solid var(--gray-100);
}

.map-wrapper iframe {
    display: block;
    width: 100%;
    height: 100%;
}

/* ===== FLOATING CALL BUTTON ===== */
.fab-call {
    display: none;
    position: fixed;
    bottom: 24px;
    right: 20px;
    z-index: 200;
    width: 60px;
    height: 60px;
    background: var(--blue);
    color: white;
    border-radius: 50%;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 24px rgba(0, 102, 204, 0.45);
    transition: transform 0.2s ease, background 0.2s ease;
}

.fab-call:hover {
    background: var(--blue-dk);
    transform: scale(1.08);
}

/* ===== FOOTER ===== */
.site-footer {
    background: var(--navy-dk);
    padding: 28px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-copy {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.38);
}

/* ===== RESPONSIVE: TABLET ===== */
@media (max-width: 900px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

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

    .map-wrapper {
        height: 300px;
    }
}

/* ===== RESPONSIVE: MOBILE ===== */
@media (max-width: 600px) {
    .section {
        padding: 64px 0;
    }

    .section-title {
        margin-bottom: 40px;
    }

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

    .hero {
        min-height: 88vh;
    }

    .hero .container {
        padding-top: 60px;
        padding-bottom: 60px;
    }

    .hero-actions {
        flex-direction: column;
        align-items: flex-start;
    }

    .btn {
        width: 100%;
        max-width: 320px;
        justify-content: center;
    }

    .map-wrapper {
        height: 260px;
    }

    .footer-inner {
        flex-direction: column;
        text-align: center;
        align-items: center;
    }

    .fab-call {
        display: flex;
    }
}

@media (max-width: 420px) {
    .header-cta span {
        display: none;
    }

    .header-cta {
        padding: 10px 12px;
    }
}
