*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --blue:      #1A5BB7;
    --blue-dark: #0F3D82;
    --blue-mid:  #2470CF;
    --yellow:    #F5A623;
    --white:     #FFFFFF;
    --gray-bg:   #F5F7FA;
    --gray-light:#EEF1F6;
    --gray-text: #6B7280;
    --dark:      #1A1F2E;
    --font:      'Be Vietnam Pro', sans-serif;
}

html { scroll-behavior: smooth; }
body { font-family: var(--font); color: var(--dark); background: #fff; }

/* ── NAV ── */
nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    background: rgba(255,255,255,0.97);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid #e8edf5;
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 5%;
    height: 68px;
}
.nav-logo {
    display: flex; align-items: center; gap: 10px;
    font-weight: 800; font-size: 1.25rem; color: var(--blue);
    text-decoration: none;
}
.nav-logo span { color: var(--yellow); }
.nav-logo .logo-icon {
    width: 150px;
    /*width: 40px; height: 40px; background: var(--blue);*/
    border-radius: 8px; display: flex; align-items: center; justify-content: center;
}
.nav-logo .logo-icon img { width: 100%;  }
.nav-links { display: flex; gap: 32px; list-style: none; }
.nav-links a { text-decoration: none; color: var(--dark); font-weight: 500; font-size: .92rem; transition: color .2s; }
.nav-links a:hover { color: var(--blue); }
.nav-phone {
    background: var(--blue); color: #fff; border: none; border-radius: 6px;
    padding: 9px 20px; font-weight: 600; font-size: .9rem; cursor: pointer;
    font-family: var(--font); transition: background .2s;
}
.nav-phone svg{
    width: 20px; height:20px;
}
.nav-phone .phone-icon {
    display: flex; align-items: center; justify-content: center;
    gap: 5px;
}
.nav-phone:hover { background: var(--blue-dark); }

/* ── HERO ── */
.hero {
    margin-top: 68px;
    background: linear-gradient(135deg, var(--blue-dark) 0%, var(--blue) 60%, #2E80E0 100%);
    min-height: 580px;
    display: flex; align-items: center;
    padding: 70px 5% 60px;
    position: relative; overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute; right: 0; top: 0; bottom: 0; width: 55%;
    background: url('https://images.unsplash.com/photo-1562259949-e8e7689d7828?w=900&q=80') center/cover no-repeat;
    opacity: .18;
}
.hero-content { position: relative; z-index: 1; max-width: 560px; }
.hero-eyebrow {
    display: inline-block; background: rgba(255,255,255,.15);
    border: 1px solid rgba(255,255,255,.3); border-radius: 20px;
    color: #fff; font-size: .8rem; font-weight: 600; letter-spacing: .08em;
    text-transform: uppercase; padding: 5px 14px; margin-bottom: 22px;
}
.hero h1 {
    font-size: clamp(2rem, 4vw, 3rem); font-weight: 800; color: #fff;
    line-height: 1.2; margin-bottom: 20px;
}
.hero h1 em { color: var(--yellow); font-style: normal; }
.hero p { color: rgba(255,255,255,.85); font-size: 1rem; line-height: 1.7; margin-bottom: 34px; }
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }
.btn-primary {
    background: var(--yellow); color: #fff; border: none; border-radius: 7px;
    padding: 13px 28px; font-weight: 700; font-size: .95rem; cursor: pointer;
    font-family: var(--font); transition: transform .15s, box-shadow .15s;
    text-decoration: none; display: inline-block;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(245,166,35,.4); }
.btn-outline {
    background: transparent; color: #fff; border: 2px solid rgba(255,255,255,.6);
    border-radius: 7px; padding: 11px 26px; font-weight: 600; font-size: .95rem;
    cursor: pointer; font-family: var(--font); transition: border-color .2s, background .2s;
    text-decoration: none; display: inline-block;
}
.btn-outline:hover { border-color: #fff; background: rgba(255,255,255,.1); }

/* ── SERVICES STRIP ── */
.services-strip {
    background: #fff;
    padding: 0 5%;
}
.services-grid {
    display: grid; grid-template-columns: repeat(4, 1fr);
    border-top: 3px solid var(--blue);
    box-shadow: 0 6px 30px rgba(26,91,183,.1);
}
.service-card {
    padding: 32px 24px;
    border-right: 1px solid #e8edf5;
    transition: background .2s;
}
.service-card:last-child { border-right: none; }
.service-card:hover { background: var(--gray-bg); }
.service-icon {
    width: 48px; height: 48px; background: #EBF2FF; border-radius: 10px;
    display: flex; align-items: center; justify-content: center; margin-bottom: 16px;
}
.service-icon svg { width: 24px; height: 24px; stroke: var(--blue); fill: none; stroke-width: 2; }
.service-card h3 { font-size: .95rem; font-weight: 700; margin-bottom: 8px; color: var(--dark); }
.service-card p { font-size: .84rem; color: var(--gray-text); line-height: 1.6; }

/* ── SECTION COMMONS ── */
section { padding: 80px 5%; }
.section-label {
    font-size: .78rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase;
    color: var(--blue); margin-bottom: 10px;
}
.section-title {
    font-size: clamp(1.6rem, 3vw, 2.3rem); font-weight: 800; line-height: 1.25;
    color: var(--dark); margin-bottom: 16px;
}
.section-sub { font-size: .98rem; color: var(--gray-text); line-height: 1.7; max-width: 560px; }
.text-center { text-align: center; }
.text-center .section-sub { margin: 0 auto; }

/* ── ABOUT ── */
.about { background: var(--gray-bg); }
.about-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-images { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.about-img {
    border-radius: 12px; overflow: hidden; aspect-ratio: 4/3;
    background: #d0dced;
}
.about-img img { width: 100%; height: 100%; object-fit: cover; }
.about-img.tall { grid-row: span 2; aspect-ratio: auto; }
.about-img.tall img { height: 100%; }
.about-text .section-sub { max-width: 100%; margin-bottom: 28px; }
.vision-mission { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 28px; }
.vm-card {
    background: #fff; border-radius: 10px; padding: 20px;
    border-left: 3px solid var(--blue);
}
.vm-card h4 { font-size: .82rem; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; color: var(--blue); margin-bottom: 8px; }
.vm-card p { font-size: .85rem; color: var(--gray-text); line-height: 1.6; }

/* ── STATS ── */
.stats { background: var(--blue); padding: 60px 5%; }
.stats-inner { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; text-align: center; }
.stat-num {
    font-size: clamp(2.2rem, 4vw, 3rem); font-weight: 800; color: #fff; line-height: 1;
}
.stat-num span { color: var(--yellow); }
.stat-label { font-size: .88rem; color: rgba(255,255,255,.75); margin-top: 8px; line-height: 1.4; }

/* ── WHY US ── */
.why { background: #fff; }
.why-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 20px; margin-top: 48px; }
.why-card {
    display: flex; gap: 18px; align-items: flex-start;
    background: var(--gray-bg); border-radius: 12px; padding: 24px;
    transition: box-shadow .2s;
}
.why-card:hover { box-shadow: 0 8px 28px rgba(26,91,183,.1); }
.why-icon {
    flex-shrink: 0; width: 52px; height: 52px; background: #EBF2FF;
    border-radius: 12px; display: flex; align-items: center; justify-content: center;
}
.why-icon svg { width: 26px; height: 26px; stroke: var(--blue); fill: none; stroke-width: 2; }
.why-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.why-card p { font-size: .88rem; color: var(--gray-text); line-height: 1.6; }

/* ── PRODUCTS ── */
.product-tabs {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin: 30px 0;
}

.tab-btn {
    padding: 12px 30px;
    border: none;
    border-radius: 999px;
    background: #cdcdcd;
    cursor: pointer;
    font-weight: 600;
    transition: .3s;
}

.tab-btn.active {
    background: #1e6fbf;
    color: #fff;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}
.products { background: var(--gray-bg); }
.products-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; margin-top: 48px; }
.product-card {
    background: #fff; border-radius: 14px; overflow: hidden;
    box-shadow: 0 2px 12px rgba(0,0,0,.06); transition: transform .2s, box-shadow .2s;
}
.product-card:hover { transform: translateY(-4px); box-shadow: 0 10px 30px rgba(26,91,183,.12); }
.product-thumb {
    height: 250px; background: linear-gradient(135deg, #2470CF 0%, #1A5BB7 100%);
    display: flex; align-items: center; justify-content: center;
}
.product-thumb img {width: 55%;}
.product-thumb svg { width: 64px; height: 64px; fill: rgba(255,255,255,.3); }
.product-body { padding: 20px; }
.product-body h3 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.product-body p { font-size: .85rem; color: var(--gray-text); line-height: 1.6; }

/* ── PROJECTS ── */
.projects { background: var(--dark); }
.projects .section-label { color: var(--yellow); }
.projects .section-title { color: #fff; }
.projects .section-sub { color: rgba(255,255,255,.6); }
.projects-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; margin-top: 48px; }
.project-item {
    border-radius: 12px; overflow: hidden; aspect-ratio: 4/3;
    background: #2a3347; position: relative;
}
.project-item img { width: 100%; height: 100%; object-fit: cover; opacity: .7; transition: opacity .3s; }
.project-item:hover img { opacity: 1; }

/* ── CONTACT ── */
.contact { background: var(--gray-bg); }
.contact-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.contact-info .section-sub { margin-bottom: 32px; }
.contact-detail { display: flex; gap: 14px; align-items: flex-start; margin-bottom: 20px; }
.contact-detail-icon {
    width: 42px; height: 42px; background: #EBF2FF; border-radius: 10px;
    display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.contact-detail-icon svg { width: 20px; height: 20px; stroke: var(--blue); fill: none; stroke-width: 2; }
.contact-detail p { font-size: .88rem; color: var(--gray-text); }
.contact-detail strong { display: block; font-size: .95rem; font-weight: 600; color: var(--dark); margin-bottom: 3px; }

/* Form */
.contact-form { background: #fff; border-radius: 16px; padding: 36px; box-shadow: 0 4px 24px rgba(0,0,0,.07); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: .85rem; font-weight: 600; margin-bottom: 7px; color: var(--dark); }
.form-group input, .form-group textarea, .form-group select {
    width: 100%; border: 1.5px solid #DDE3EF; border-radius: 8px;
    padding: 11px 14px; font-family: var(--font); font-size: .9rem; color: var(--dark);
    background: var(--gray-bg); outline: none; transition: border-color .2s;
}
.form-group input:focus, .form-group textarea:focus { border-color: var(--blue); background: #fff; }
.form-group textarea { resize: vertical; min-height: 100px; }
.char-count { font-size: .78rem; color: var(--gray-text); text-align: right; margin-top: 4px; }
.btn-submit {
    background: var(--blue); color: #fff; border: none; border-radius: 8px;
    padding: 13px 32px; font-family: var(--font); font-size: 1rem; font-weight: 700;
    cursor: pointer; width: 100%; transition: background .2s;
}
.btn-submit:hover { background: var(--blue-dark); }

/* ── FOOTER ── */
footer {
    background: var(--dark); color: rgba(255,255,255,.7);
    padding: 50px 5% 28px;
}
.footer-inner { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; padding-bottom: 36px; border-bottom: 1px solid rgba(255,255,255,.1); }
.footer-brand { }
.footer-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.footer-logo .logo-icon { width: 30px; height: 30px;  display: flex; align-items: center; justify-content: center; }
.footer-logo .logo-icon img {width: 100%}
/*.footer-logo .logo-icon svg { width: 20px; height: 20px; fill: #fff; }*/
.footer-logo strong { color: #fff; font-size: 1.1rem; font-weight: 800; }
.footer-brand p { font-size: .88rem; line-height: 1.7; }
.footer-section h4 { color: #fff; font-size: .9rem; font-weight: 700; margin-bottom: 16px; }
.footer-section ul { list-style: none; }
.footer-section ul li { margin-bottom: 10px; }
.footer-section ul li a { color: rgba(255,255,255,.65); text-decoration: none; font-size: .88rem; transition: color .2s; }
.footer-section ul li a:hover { color: #fff; }
.footer-contact-info { font-size: .88rem; }
.footer-contact-info p { margin-bottom: 8px; display: flex; gap: 8px; align-items: flex-start; }
.footer-contact-info svg {width:20px; height: 20px; color: #FFFFFF}
.footer-bottom {
    padding-top: 24px; display: flex; justify-content: space-between; align-items: center;
    font-size: .82rem;
}

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
    .nav-links { display: none; }
    .services-grid { grid-template-columns: repeat(2,1fr); }
    .about-inner, .contact-inner { grid-template-columns: 1fr; }
    .stats-inner { grid-template-columns: repeat(2,1fr); gap: 32px; }
    .products-grid { grid-template-columns: repeat(2,1fr); }
    .projects-grid { grid-template-columns: repeat(2,1fr); }
    .footer-inner { grid-template-columns: 1fr 1fr; }
    .why-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
}
@media (max-width: 580px) {
    .services-grid { grid-template-columns: 1fr; }
    .products-grid { grid-template-columns: 1fr; }
    .projects-grid { grid-template-columns: 1fr; }
    .footer-inner { grid-template-columns: 1fr; }
    .vision-mission { grid-template-columns: 1fr; }
    .hero-btns { flex-direction: column; }
}