/* ===========================================================
   G&V Mechanical Service — stylesheet
   =========================================================== */

:root {
    --blue:        #1f3a93;   /* logo blue */
    --blue-dark:   #16276a;
    --blue-light:  #2e54c8;
    --gold:        #b9942f;   /* the "&" accent */
    --gold-light:  #d4af49;
    --ink:         #1b2435;
    --body:        #475066;
    --muted:       #6b7488;
    --line:        #e4e7ef;
    --bg:          #ffffff;
    --bg-alt:      #f4f6fb;
    --bg-dark:     #131c30;
    --radius:      14px;
    --shadow-sm:   0 2px 10px rgba(20, 30, 60, .06);
    --shadow:      0 12px 36px rgba(20, 30, 60, .12);
    --max:         1180px;
    --head-h:      78px;
}

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; scroll-padding-top: var(--head-h); }
body {
    font-family: 'Inter', system-ui, sans-serif;
    color: var(--body);
    background: var(--bg);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; padding: 0; }

h1, h2, h3, h4 {
    font-family: 'Barlow Condensed', 'Inter', sans-serif;
    color: var(--ink);
    line-height: 1.08;
    letter-spacing: .2px;
    font-weight: 700;
}

.container { width: min(100% - 40px, var(--max)); margin-inline: auto; }

.eyebrow {
    font-family: 'Barlow Condensed', sans-serif;
    text-transform: uppercase;
    letter-spacing: 2.5px;
    font-weight: 600;
    font-size: .95rem;
    color: var(--gold);
    margin-bottom: 10px;
}

/* ---------- buttons ---------- */
.btn {
    display: inline-block;
    font-family: 'Barlow Condensed', sans-serif;
    font-weight: 600;
    font-size: 1.08rem;
    letter-spacing: .6px;
    text-transform: uppercase;
    padding: 13px 28px;
    border-radius: 8px;
    cursor: pointer;
    border: 2px solid transparent;
    transition: transform .15s ease, background .2s ease, color .2s ease, box-shadow .2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--blue); color: #fff; box-shadow: 0 8px 20px rgba(31,58,147,.28); }
.btn-primary:hover { background: var(--blue-dark); }
.btn-outline { border-color: var(--blue); color: var(--blue); background: transparent; }
.btn-outline:hover { background: var(--blue); color: #fff; }
.btn-light { background: #fff; color: var(--blue); }
.btn-light:hover { background: var(--gold); color: #fff; }

/* ---------- header ---------- */
.site-header {
    position: sticky; top: 0; z-index: 100;
    background: rgba(255,255,255,.92);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: var(--head-h); }
.logo img { height: 80px; width: auto; }
.main-nav { display: flex; align-items: center; gap: 30px; }
.main-nav ul { display: flex; gap: 28px; }
.main-nav a {
    font-family: 'Barlow Condensed', sans-serif;
    font-weight: 600;
    font-size: 1.08rem;
    letter-spacing: .5px;
    text-transform: uppercase;
    color: var(--ink);
    padding: 6px 0;
    position: relative;
}
.main-nav ul a::after {
    content: ""; position: absolute; left: 0; bottom: 0;
    width: 0; height: 2px; background: var(--gold); transition: width .25s ease;
}
.main-nav ul a:hover { color: var(--blue); }
.main-nav ul a:hover::after { width: 100%; }
.nav-cta {
    background: var(--blue); color: #fff !important;
    padding: 9px 18px !important; border-radius: 8px;
    transition: background .2s ease;
}
.nav-cta:hover { background: var(--gold); }
.nav-cta::after { display: none; }

.nav-toggle {
    display: none; flex-direction: column; gap: 5px;
    background: none; border: 0; cursor: pointer; padding: 8px;
}
.nav-toggle span { width: 26px; height: 3px; background: var(--ink); border-radius: 2px; transition: .3s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ---------- hero ---------- */
.hero { position: relative; color: #fff; overflow: hidden; }
.hero-bg {
    position: absolute; inset: 0;
    background:
        linear-gradient(115deg, rgba(19,28,48,.92) 0%, rgba(31,58,147,.82) 55%, rgba(31,58,147,.45) 100%),
        url('../images/van-side.jpg') center/cover no-repeat;
    transform: scale(1.02);
}
.hero-inner { position: relative; display: flex; align-items: center; min-height: calc(100vh - var(--head-h)); padding: 90px 0; }
.hero-content { max-width: 680px; }
.hero h1 {
    color: #fff; font-size: clamp(2.6rem, 6vw, 4.6rem);
    margin: 8px 0 18px; text-shadow: 0 2px 24px rgba(0,0,0,.25);
}
.hero .lead { font-size: clamp(1.05rem, 1.6vw, 1.25rem); color: rgba(255,255,255,.92); max-width: 580px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }
.hero .eyebrow { color: var(--gold-light); }

/* ---------- usp strip ---------- */
.usp-strip { background: var(--bg-dark); }
.usp-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 1px; background: rgba(255,255,255,.08); }
.usp { background: var(--bg-dark); padding: 36px 26px; text-align: center; color: #fff; }
.usp-icon { font-size: 2rem; display: block; margin-bottom: 12px; }
.usp h3 { color: #fff; font-size: 1.45rem; margin-bottom: 6px; }
.usp p { color: rgba(255,255,255,.7); font-size: .95rem; }

/* ---------- sections ---------- */
.section { padding: 92px 0; }
.section-alt { background: var(--bg-alt); }
.section-head { max-width: 720px; margin: 0 auto 56px; text-align: center; }
.section-head h2 { font-size: clamp(2rem, 4vw, 3rem); }
.section-intro { color: var(--muted); margin-top: 14px; font-size: 1.08rem; }

/* ---------- services ---------- */
.services-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 26px; }
.service-card {
    background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
    padding: 38px 34px; position: relative; overflow: hidden;
    box-shadow: var(--shadow-sm); transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.service-card::before {
    content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 5px;
    background: linear-gradient(var(--blue), var(--gold)); transform: scaleY(0); transform-origin: top; transition: transform .3s ease;
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: transparent; }
.service-card:hover::before { transform: scaleY(1); }
.service-num {
    font-family: 'Barlow Condensed', sans-serif; font-weight: 700;
    font-size: 2.6rem; color: var(--line); line-height: 1; margin-bottom: 8px;
}
.service-card:hover .service-num { color: var(--gold); }
.service-card h3 { font-size: 1.55rem; margin-bottom: 10px; }

/* ---------- about / partner ---------- */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.about-media img {
    width: 100%; height: 100%; max-height: 460px; object-fit: cover;
    border-radius: var(--radius); box-shadow: var(--shadow);
}
.about-text h2 { font-size: clamp(2rem, 3.5vw, 2.8rem); margin-bottom: 18px; }
.about-text p { margin-bottom: 16px; }
.check-list { margin: 22px 0 28px; display: grid; gap: 12px; }
.check-list li { position: relative; padding-left: 34px; font-weight: 500; color: var(--ink); }
.check-list li::before {
    content: "\2713"; position: absolute; left: 0; top: -1px;
    width: 23px; height: 23px; border-radius: 50%;
    background: var(--blue); color: #fff; font-size: .8rem;
    display: grid; place-items: center; font-weight: 700;
}

/* ---------- cta banner ---------- */
.cta-banner {
    background: linear-gradient(115deg, var(--blue-dark), var(--blue));
    color: #fff;
}
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 28px; padding: 54px 0; flex-wrap: wrap; }
.cta-banner h2 { color: #fff; font-size: clamp(1.7rem,3vw,2.4rem); }
.cta-banner p { color: rgba(255,255,255,.85); margin-top: 4px; }

/* ---------- contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 40px; align-items: start; }
.contact-cards { display: grid; gap: 16px; }
.contact-card {
    display: flex; gap: 18px; align-items: center;
    background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
    padding: 22px 24px; box-shadow: var(--shadow-sm); transition: transform .2s ease, box-shadow .2s ease;
}
.contact-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.contact-ico {
    flex: none; width: 52px; height: 52px; border-radius: 12px;
    background: var(--bg-alt); display: grid; place-items: center; font-size: 1.4rem;
}
.contact-card h3 { font-size: 1.25rem; margin-bottom: 2px; }
.contact-card p { font-size: .98rem; color: var(--body); }

.contact-form { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 34px; box-shadow: var(--shadow-sm); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.contact-form label { display: block; margin-bottom: 16px; }
.contact-form label span { display: block; font-weight: 600; color: var(--ink); margin-bottom: 6px; font-size: .92rem; }
.contact-form input, .contact-form textarea {
    width: 100%; padding: 12px 14px; border: 1px solid var(--line);
    border-radius: 8px; font: inherit; color: var(--ink); background: #fbfcfe;
    transition: border-color .2s ease, box-shadow .2s ease;
}
.contact-form input:focus, .contact-form textarea:focus {
    outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(31,58,147,.12);
}
.contact-form textarea { resize: vertical; }
.form-note { font-size: .85rem; color: var(--muted); margin-top: 14px; }

.map-wrap { margin-top: 48px; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); border: 1px solid var(--line); }
.map-wrap iframe { width: 100%; height: 380px; border: 0; display: block; }

/* ---------- footer ---------- */
.site-footer { background: var(--bg-dark); color: rgba(255,255,255,.72); padding-top: 64px; }
.footer-inner { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; padding-bottom: 48px; }
.footer-logo { height: 100px; background: #fff; padding: 8px 12px; border-radius: 8px; margin-bottom: 16px; }
.footer-brand p { max-width: 320px; }
.footer-col h4 { color: #fff; font-size: 1.3rem; margin-bottom: 16px; letter-spacing: .5px; }
.footer-col li { margin-bottom: 10px; }
.footer-col a:hover { color: var(--gold-light); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 22px 0; }
.footer-bottom p { font-size: .9rem; color: rgba(255,255,255,.55); }

/* ---------- back to top ---------- */
.back-to-top {
    position: fixed; right: 22px; bottom: 22px; z-index: 90;
    width: 48px; height: 48px; border-radius: 50%;
    background: var(--blue); color: #fff; display: grid; place-items: center;
    font-size: 1.3rem; box-shadow: var(--shadow);
    opacity: 0; visibility: hidden; transform: translateY(12px); transition: .3s;
}
.back-to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { background: var(--gold); }

/* ---------- reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* ---------- responsive ---------- */
@media (max-width: 940px) {
    .nav-toggle { display: flex; }
    .main-nav {
        position: fixed; inset: var(--head-h) 0 auto 0;
        background: #fff; flex-direction: column; align-items: stretch; gap: 0;
        padding: 10px 0 20px; border-bottom: 1px solid var(--line);
        box-shadow: var(--shadow); transform: translateY(-150%); transition: transform .35s ease;
    }
    .main-nav.open { transform: translateY(0); }
    .main-nav ul { flex-direction: column; gap: 0; }
    .main-nav ul li { border-bottom: 1px solid var(--line); }
    .main-nav ul a { display: block; padding: 14px 24px; }
    .main-nav ul a::after { display: none; }
    .nav-cta { margin: 14px 24px 0; text-align: center; }
    .usp-grid { grid-template-columns: repeat(2,1fr); }
    .about-grid, .about-grid-reverse, .contact-grid { grid-template-columns: 1fr; gap: 32px; }
    .about-grid-reverse .about-media { order: -1; }
    .footer-inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
    .section { padding: 64px 0; }
    .services-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .footer-inner { grid-template-columns: 1fr; }
    .cta-inner { flex-direction: column; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
    * { scroll-behavior: auto !important; }
    .reveal { opacity: 1 !important; transform: none !important; }
}