:root {
    --blue: #08055d;
    --blue-dark: #05033f;
    --blue-soft: #12108a;
    --navy: #071427;
    --dark: #101820;
    --light: #f6f8fb;
    --text: #273142;
    --muted: #647084;
    --green: #25D366;
    --white: #ffffff;
    --border: #e2e7ef;
    --shadow: 0 10px 26px rgba(0,0,0,.08);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: 'Inter', Arial, Helvetica, sans-serif;
    color: var(--text);
    background: #fff;
}

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

a {
    text-decoration: none;
}

.wrap {
    width: min(1160px, calc(100% - 40px));
    margin: 0 auto;
}

h1,
h2,
h3,
.logo strong,
.badge,
.btn,
.nav a {
    font-family: 'Oswald', Arial, Helvetica, sans-serif;
}

/* Header */

.site-header {
    background: rgba(255,255,255,.96);
    padding: 14px 0;
    box-shadow: 0 2px 14px rgba(0,0,0,.08);
    position: sticky;
    top: 0;
    z-index: 20;
    backdrop-filter: blur(10px);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 30px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 14px;
    color: var(--navy);
    font-weight: 900;
}

.logo img {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    object-fit: cover;
    box-shadow: 0 6px 16px rgba(0,0,0,.12);
}

.logo strong {
    display: block;
    font-size: 38px;
    line-height: .9;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.logo span {
    display: block;
    font-size: 13px;
    letter-spacing: 1px;
    margin-top: 6px;
    text-transform: uppercase;
    color: var(--muted);
}

.nav {
    display: flex;
    gap: 34px;
}

.nav a {
    color: var(--dark);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 16px;
    letter-spacing: .4px;
    position: relative;
    padding: 8px 0;
}

.nav a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 3px;
    background: var(--blue);
    transition: .25s ease;
}

.nav a:hover {
    color: var(--blue);
}

.nav a:hover::after {
    width: 100%;
}

/* Hero */

.hero {
    min-height: 680px;
    background:
        linear-gradient(90deg, rgba(5,10,25,.94) 0%, rgba(5,10,25,.82) 46%, rgba(5,10,25,.18) 100%),
        url('../images/yow-build-hero.webp') center/cover no-repeat;
    color: #fff;
    display: flex;
    align-items: center;
    padding: 125px 0;
}

.hero-content {
    max-width: 680px;
}

.badge {
    display: inline-block;
    background: var(--blue);
    color: #fff;
    padding: 13px 22px;
    border-radius: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .8px;
    margin-bottom: 28px;
    box-shadow: 0 10px 24px rgba(8,5,93,.35);
}

.hero h1 {
    font-size: clamp(62px, 9vw, 116px);
    line-height: .88;
    margin: 0 0 26px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: #fff;
}

.hero p {
    max-width: 650px;
    font-size: 21px;
    line-height: 1.65;
    margin: 0 0 36px;
    color: rgba(255,255,255,.94);
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 17px 28px;
    border-radius: 8px;
    color: #fff;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .5px;
    box-shadow: 0 8px 20px rgba(0,0,0,.18);
    transition: .22s ease;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 28px rgba(0,0,0,.22);
}

.btn-facebook {
    background: var(--blue);
}

.btn-facebook:hover {
    background: var(--blue-soft);
}

.btn-whatsapp {
    background: var(--green);
}

/* Sections */

section {
    padding: 110px 0;
}

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

.section-title h2 {
    color: var(--navy);
    font-size: clamp(38px, 5vw, 56px);
    line-height: 1;
    margin: 0 0 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.section-title p {
    font-size: 20px;
    line-height: 1.55;
    color: var(--muted);
    margin: 0;
}

/* Services */

.services {
    background: #fff;
}

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

.card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 48px 32px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: .22s ease;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 34px rgba(0,0,0,.12);
}

.icon-circle {
    width: 86px;
    height: 86px;
    margin: 0 auto 28px;
    border-radius: 50%;
    background: var(--blue);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 24px rgba(8,5,93,.28);
}

.icon-circle svg {
    width: 40px;
    height: 40px;
    stroke-width: 2.4;
}

.card h3 {
    color: var(--blue-dark);
    margin: 0 0 18px;
    font-size: 25px;
    line-height: 1.1;
    text-transform: uppercase;
}

.card p {
    line-height: 1.75;
    margin: 0;
    color: #3f4856;
}

/* About */

.about {
    background:
        linear-gradient(90deg, rgba(7,20,39,.97) 0%, rgba(7,20,39,.86) 48%, rgba(7,20,39,.18) 100%),
        url('../images/yow-build-renovation.webp') center/cover no-repeat;
    color: #fff;
}

.about-box {
    max-width: 700px;
}

.about h2 {
    font-size: clamp(36px, 4vw, 52px);
    line-height: 1.05;
    margin: 0 0 24px;
    text-transform: uppercase;
    color: #fff;
}

.about h2::after {
    content: "";
    display: block;
    width: 92px;
    height: 4px;
    background: var(--blue);
    margin-top: 20px;
}

.about p {
    font-size: 19px;
    line-height: 1.8;
    color: rgba(255,255,255,.94);
    margin: 0;
}

/* Image Strip */

.image-strip {
    background: var(--light);
    padding: 110px 0 80px;
}

.strip-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 14px;
}

.strip-grid img {
    width: 100%;
    height: 240px;
    object-fit: cover;
    border-radius: 14px;
    border: 1px solid #dde3ec;
    box-shadow: var(--shadow);
    transition: .22s ease;
}

.strip-grid img:hover {
    transform: translateY(-3px);
}

/* CTA */

.cta {
    background:
        linear-gradient(rgba(5,3,63,.78), rgba(5,3,63,.84)),
        url('../images/blueprint-bg.webp') center/cover no-repeat;
    color: #fff;
    text-align: center;
}

.cta h2 {
    font-size: clamp(40px, 5vw, 60px);
    line-height: 1;
    margin: 0 0 20px;
    text-transform: uppercase;
    color: #fff;
}

.cta p {
    font-size: 20px;
    line-height: 1.6;
    margin: 0 0 36px;
    color: rgba(255,255,255,.95);
}

/* Footer */

footer {
    background: var(--navy);
    color: #cfd6e5;
    padding: 42px 0;
}

footer a {
    color: #eee;
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 25px;
    flex-wrap: wrap;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 13px;
    color: #fff;
    font-weight: 900;
}

.footer-logo img {
    width: 58px;
    height: 58px;
    border-radius: 50%;
}

.footer-logo strong {
    font-size: 30px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-note {
    font-size: 15px;
    line-height: 1.6;
}

/* Back to top */

.back-to-top {
    position: fixed;
    right: 22px;
    bottom: 22px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--blue);
    color: #fff;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 900;
    text-decoration: none;
    box-shadow: 0 8px 22px rgba(0,0,0,.25);
    z-index: 99;
    transition: .22s ease;
}

.back-to-top.show {
    display: flex;
}

.back-to-top:hover {
    background: var(--blue-soft);
    transform: translateY(-2px);
}

/* Responsive */

@media (max-width: 1000px) {
    .grid {
        grid-template-columns: 1fr;
    }

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

    .strip-grid img {
        height: 280px;
    }
}

@media (max-width: 900px) {
    .site-header {
        position: relative;
    }

    .nav {
        display: none;
    }

    .hero {
        min-height: auto;
        padding: 95px 0;
        background:
            linear-gradient(90deg, rgba(5,10,25,.94), rgba(5,10,25,.76)),
            url('../images/yow-build-hero.webp') center/cover no-repeat;
    }

    .logo strong {
        font-size: 30px;
    }

    .logo img {
        width: 64px;
        height: 64px;
    }

    section {
        padding: 85px 0;
    }

    .image-strip {
        padding: 85px 0 65px;
    }
}

@media (max-width: 600px) {
    .wrap {
        width: min(100% - 28px, 1160px);
    }

    .site-header {
        padding: 12px 0;
    }

    .logo {
        gap: 10px;
    }

    .logo img {
        width: 56px;
        height: 56px;
    }

    .logo strong {
        font-size: 26px;
    }

    .logo span {
        font-size: 11px;
    }

    .hero {
        padding: 78px 0;
    }

    .badge {
        font-size: 14px;
        padding: 11px 16px;
    }

    .hero h1 {
        font-size: clamp(54px, 18vw, 82px);
    }

    .hero p {
        font-size: 18px;
    }

    .buttons {
        width: 100%;
    }

    .btn {
        width: 100%;
        padding: 16px 22px;
    }

    .section-title {
        margin-bottom: 38px;
    }

    .card {
        padding: 40px 24px;
    }

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

    .strip-grid img {
        height: 260px;
    }

    .footer-inner {
        align-items: flex-start;
    }
}