* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
html { scroll-behavior: smooth; }

body {
    background-color: rgb(7, 2, 23);
    color: rgba(245, 245, 245, 0.659);
    font-family: sans-serif;
    font-size: clamp(1.25rem, 3vh, 2.25rem);
}
a { text-decoration: none; }
a:hover { text-decoration: underline; }
a, a:link, a:visited, a:active { color: rgba(245, 245, 245, 0.474); }

/* ── Header ── */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background-color: rgba(7, 2, 23, 0.85);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    height: 64px;
}
.site-brand {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    text-decoration: none;
}
.site-logo {
    width: 42px;
    height: 42px;
    flex-shrink: 0;
}
.site-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: #ffffff;
    white-space: nowrap;
}
.main-nav ul {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 1.5rem;
    list-style: none;
}
.main-nav a {
    color: rgba(245, 245, 245, 0.75);
    text-decoration: none;
    font-size: 0.95rem;
    white-space: nowrap;
    transition: color 0.2s;
}
.main-nav a:hover,
.main-nav a.active { color: #4fc3f7; }
.btn-quote {
    background-color: #4fc3f7;
    color: #07021a;
    padding: 0.45rem 1.2rem;
    border-radius: 4px;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    white-space: nowrap;
    transition: background-color 0.2s;
}
.btn-quote:hover { background-color: #81d4fa; }

/* ── Hero ── */
main { padding-top: 64px; }

.contact-hero {
    text-align: center;
    padding: 5rem 2rem 4rem;
}
.hero-label {
    font-size: 0.85rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: #4fc3f7;
    margin-bottom: 1rem;
    font-family: 'Poppins', sans-serif;
}
.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(90deg, #00c8d7, #2979ff, #6b4cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
}
.hero-sub {
    font-size: 1.05rem;
    color: rgba(245, 245, 245, 0.55);
    max-width: 560px;
    margin: 0 auto;
    line-height: 1.7;
    font-family: 'Poppins', sans-serif;
}

/* ── Contact Body ── */
.contact-body {
    display: grid;
    grid-template-columns: 1.35fr 1fr;
    gap: 2.5rem;
    max-width: 1100px;
    margin: 0 auto 6rem;
    padding: 0 2rem;
    align-items: start;
}

.contact-section-heading {
    font-family: 'Poppins', sans-serif;
    font-size: 1.2rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 1.5rem;
}

/* ── Form ── */
.contact-form-wrap {
    background-color: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 1.25rem;
    padding: 2.5rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.form-group.full-width { grid-column: 1 / -1; }

.form-group label {
    font-size: 0.78rem;
    font-weight: 600;
    color: rgba(245, 245, 245, 0.6);
    font-family: 'Poppins', sans-serif;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.form-group input,
.form-group select,
.form-group textarea {
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 0.5rem;
    padding: 0.72rem 1rem;
    color: rgba(245, 245, 245, 0.85);
    font-size: 0.9rem;
    font-family: 'Poppins', sans-serif;
    transition: border-color 0.2s, background-color 0.2s;
    outline: none;
    width: 100%;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(245, 245, 245, 0.22);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: #4fc3f7;
    background-color: rgba(79, 195, 247, 0.05);
}

.form-group select option {
    background-color: rgb(12, 6, 30);
    color: rgba(245, 245, 245, 0.85);
}

.form-group textarea {
    resize: vertical;
    min-height: 130px;
}

.form-submit {
    align-self: flex-start;
    background-color: #4fc3f7;
    color: #07021a;
    border: none;
    border-radius: 4px;
    padding: 0.72rem 2rem;
    font-size: 0.95rem;
    font-weight: 700;
    font-family: 'Poppins', sans-serif;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.2s;
}

.form-submit:hover {
    background-color: #81d4fa;
    transform: translateY(-1px);
}

/* ── Info cards ── */
.contact-info {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.info-card {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    background-color: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 0.75rem;
    padding: 1.1rem 1.3rem;
    transition: background-color 0.25s, border-color 0.25s;
    text-decoration: none !important;
    color: inherit;
}

.info-card:hover {
    background-color: rgba(79, 195, 247, 0.06);
    border-color: rgba(79, 195, 247, 0.3);
    text-decoration: none;
}

.info-icon {
    color: #4fc3f7;
    flex-shrink: 0;
    margin-top: 2px;
}

.info-content h3 {
    font-size: 0.88rem;
    font-weight: 700;
    color: #ffffff;
    font-family: 'Poppins', sans-serif;
    margin-bottom: 0.2rem;
}

.info-content p {
    font-size: 0.84rem;
    color: rgba(245, 245, 245, 0.55);
    line-height: 1.65;
    font-family: 'Poppins', sans-serif;
}

/* ── Footer ── */
.site-footer {
    margin-top: 5rem;
    padding: 3rem 2rem 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.footer-top {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    font-size: 1rem;
}
.site-footer ul { list-style: none; font-size: 0.85rem; }
.site-footer ul li { margin-bottom: 0.5rem; }
.footer-col-headings { margin-bottom: 1.25rem; font-size: 1.1rem; color: #fff; }
.footer-col ul li a { color: rgba(245, 245, 245, 0.5); transition: color 0.2s; }
.footer-col ul li a:hover { color: #4fc3f7; text-decoration: none; }
.footer-contact ul li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: rgba(245, 245, 245, 0.5);
    font-size: 0.85rem;
    margin-bottom: 0.6rem;
}
.footer-bottom {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    font-size: 0.8rem;
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    color: rgba(245, 245, 245, 0.35);
}
.footer-bottom-left { grid-column: 1 / 4; }
.footer-bottom-right { grid-column: 4 / 5; text-align: right; }
.footer-legal { display: flex; flex-direction: column; gap: 0.3rem; }
.footer-legal a { color: rgba(245, 245, 245, 0.35); font-size: 0.8rem; }
.footer-legal a:hover { color: #4fc3f7; }

/* ── Hamburger button ── */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    flex-shrink: 0;
}
.hamburger span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: #ffffff;
    border-radius: 2px;
    transition: transform 0.3s ease, opacity 0.3s ease;
}
.nav-open .hamburger span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav-open .hamburger span:nth-child(2) { opacity: 0; }
.nav-open .hamburger span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ── Tablet (≤ 1024px) ── */
@media (max-width: 1024px) {
    .site-title { font-size: 1rem; }
    .main-nav ul { gap: 1rem; }
    .main-nav a { font-size: 0.85rem; }
    .btn-quote { font-size: 0.8rem; padding: 0.4rem 0.9rem; }
    .contact-body { grid-template-columns: 1fr; max-width: 680px; }
    .footer-top { grid-template-columns: repeat(2, 1fr); }
    .footer-bottom { grid-template-columns: 1fr 1fr; }
    .footer-bottom-left { grid-column: 1 / 2; }
    .footer-bottom-right { grid-column: 2 / 3; }
}

/* ── Phablet / small tablet (≤ 768px) ── */
@media (max-width: 768px) {
    .hamburger { display: flex; }
    .btn-quote { display: none; }
    .main-nav {
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background-color: rgba(7, 2, 23, 0.97);
        backdrop-filter: blur(12px);
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.35s ease;
    }
    .nav-open .main-nav { max-height: 400px; }
    .main-nav ul {
        flex-direction: column;
        align-items: flex-start;
        gap: 0;
        padding: 0.5rem 2rem 1rem;
    }
    .main-nav ul li {
        width: 100%;
        padding: 0.75rem 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }
    .main-nav ul li:last-child { border-bottom: none; }
    .main-nav a { font-size: 1.05rem; display: block; }

    .contact-body { padding: 0 1rem; max-width: none; }
    .contact-form-wrap { padding: 1.5rem; }
    .form-row { grid-template-columns: 1fr; }
    .contact-hero { padding: 3rem 1.5rem 2.5rem; }
    .site-footer { padding: 2rem 1rem 1.5rem; }
    .footer-top { grid-template-columns: 1fr 1fr; }
    .footer-bottom { grid-template-columns: 1fr; }
    .footer-bottom-left { grid-column: 1; }
    .footer-bottom-right { grid-column: 1; text-align: left; }
}

/* ── Phone (≤ 480px) ── */
@media (max-width: 480px) {
    .header-inner { padding: 0 1rem; }
    .site-title { font-size: 1rem; }
    .contact-form-wrap { padding: 1.25rem; }
    .form-submit { width: 100%; text-align: center; }
    .footer-top { grid-template-columns: 1fr; }
}