/* ========== Base ========== */
*,
*::before,
*::after {
    box-sizing: border-box;
}

:root {
    --bg-main: #050509;
    --bg-dark: #0b0b10;
    --bg-card: #121219;
    --bg-card-soft: #181820;
    --accent: #ff0033;
    --accent-soft: rgba(255, 0, 51, 0.45);
    --text-main: #ffffff;
    --text-muted: #a5a5b8;
    --border-soft: rgba(255, 255, 255, 0.06);
    --radius-lg: 20px;
    --radius-md: 14px;
    --shadow-soft: 0 20px 48px rgba(0, 0, 0, 0.8);
}

html, body {
    margin: 0;
    padding: 0;
    background: radial-gradient(circle at top, #1c0b12 0, #050509 45%, #000000 100%);
    color: var(--text-main);
    font-family: 'Kanit', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
}

/* ========== Layout ========== */
.container {
    width: 100%;
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 90px 0;
    position: relative;
}

.section-dark {
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.9), #050509);
}

.section-gradient {
    background: radial-gradient(circle at top, rgba(255, 0, 51, 0.18), #050509 55%);
}

.section-lines {
    background:
        linear-gradient(90deg, rgba(255, 0, 51, 0.06) 1px, transparent 1px),
        linear-gradient(180deg, rgba(255, 0, 51, 0.06) 1px, transparent 1px),
        #050509;
    background-size: 80px 80px;
}

/* ========== Header / Nav ========== */
.main-header {
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(16px);
    background: linear-gradient(90deg, rgba(0, 0, 0, 0.93), rgba(10, 10, 18, 0.93));
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 0;
    gap: 18px;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 14px;
}

.logo-img {
    width: 50px;
    height: 50px;
    object-fit: contain;
    filter: drop-shadow(0 0 10px rgba(255, 0, 51, 0.7));
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-sub {
    font-size: 10px;
    letter-spacing: 0.18em;
    color: var(--text-muted);
    text-transform: uppercase;
}

.logo-title {
    margin: 0;
    font-family: 'Orbitron', sans-serif;
    font-size: 18px;
    letter-spacing: 0.2em;
}

/* Nav */
.main-nav {
    display: flex;
    gap: 22px;
    align-items: center;
    font-size: 14px;
}

.main-nav a {
    text-decoration: none;
    color: var(--text-muted);
    position: relative;
    padding-bottom: 4px;
    transition: color 0.2s ease;
}

.main-nav a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0%;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), #ff5575);
    box-shadow: 0 0 12px var(--accent-soft);
    transition: width 0.25s ease;
}

.main-nav a:hover {
    color: #ffffff;
}

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

/* ===== Language Switcher ===== */
.lang-switch {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-left: 10px;
}

.lang-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 8px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    background: rgba(0, 0, 0, 0.8);
    color: #ffffff;
    font-size: 11px;
    cursor: pointer;
    transition: 0.18s;
}

.lang-btn .flag {
    font-size: 13px;
}

.lang-btn.active,
.lang-btn:hover {
    border-color: var(--accent);
    box-shadow: 0 0 12px var(--accent-soft);
}

/* Hamburger */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
}

.nav-toggle span {
    width: 22px;
    height: 2px;
    background: #ffffff;
    transition: 0.2s;
}

.nav-toggle.open span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
}
.nav-toggle.open span:nth-child(2) {
    opacity: 0;
}
.nav-toggle.open span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
}

/* ========== Hero ========== */
.hero-section {
    position: relative;
    padding: 110px 0 90px;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at top left, rgba(255, 0, 51, 0.32), transparent 55%),
        radial-gradient(circle at bottom right, rgba(255, 0, 51, 0.22), transparent 55%);
    opacity: 0.9;
    pointer-events: none;
}

.hero-inner {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    gap: 40px;
    align-items: center;
}

.hero-content {
    z-index: 1;
}

.hero-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    border-radius: 999px;
    background: rgba(0, 0, 0, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.12);
    font-size: 11px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: #f5f5f5;
    margin-bottom: 18px;
}

.hero-title {
    margin: 0 0 14px;
    font-size: 34px;
    line-height: 1.25;
    font-weight: 700;
}

.hero-title .accent {
    color: var(--accent);
    text-shadow: 0 0 16px var(--accent-soft);
    display: block;
}

.hero-text {
    margin: 0 0 22px;
    font-size: 15px;
    color: var(--text-muted);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 26px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 18px;
    font-size: 14px;
    font-weight: 500;
    border-radius: 999px;
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: 0.2s;
}

.btn-primary {
    background: linear-gradient(120deg, var(--accent), #ff5575);
    box-shadow: 0 0 18px var(--accent-soft);
    color: #ffffff;
    border-color: rgba(255, 255, 255, 0.12);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 0 24px var(--accent-soft);
}

.btn-ghost {
    background: rgba(0, 0, 0, 0.6);
    color: #ffffff;
    border-color: rgba(255, 255, 255, 0.25);
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.04);
}

.hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    margin-top: 8px;
}

.hero-meta-item {
    min-width: 120px;
}

.hero-meta-label {
    display: block;
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.hero-meta-value {
    font-size: 15px;
    font-weight: 600;
}

/* Hero orbit visual */
.hero-visual {
    z-index: 1;
    display: flex;
    justify-content: center;
}

.hero-orbit {
    position: relative;
    width: 280px;
    height: 280px;
    border-radius: 50%;
    background: radial-gradient(circle, #090814 0, #000000 55%);
    box-shadow: 0 22px 50px rgba(0, 0, 0, 0.9);
    overflow: hidden;
}

.orbit-ring {
    position: absolute;
    inset: 16%;
    border-radius: 50%;
    border: 1px dashed rgba(255, 255, 255, 0.18);
}

.orbit-ring.ring-2 {
    inset: 8%;
    border-style: solid;
    border-color: rgba(255, 0, 51, 0.45);
}
.orbit-ring.ring-3 {
    inset: 26%;
    border-style: solid;
    border-color: rgba(255, 255, 255, 0.22);
}

.orbit-core {
    position: absolute;
    inset: 40%;
    border-radius: 50%;
    background: radial-gradient(circle, var(--accent) 0, #2d0710 45%, #000000 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    text-transform: uppercase;
    font-size: 10px;
    letter-spacing: 0.14em;
    padding: 4px;
    color: #ffffff;
    box-shadow: 0 0 24px var(--accent-soft);
}

.orbit-label {
    line-height: 1.3;
}

/* Orbit nodes */
.orbit-node {
    position: absolute;
    padding: 6px 10px;
    border-radius: 999px;
    font-size: 11px;
    background: rgba(0, 0, 0, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.18);
    box-shadow: 0 0 12px rgba(0, 0, 0, 0.8);
}

.node-1 { top: 16%; left: 6%; }
.node-2 { top: 8%; right: 8%; }
.node-3 { bottom: 18%; left: 12%; }
.node-4 { bottom: 10%; right: 6%; }

/* ========== Section Headings ========== */
.section-head {
    text-align: center;
    margin-bottom: 40px;
}

.section-head-compact {
    margin-bottom: 24px;
}

.section-tag {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.16);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: 11px;
    color: var(--accent);
    background: rgba(0, 0, 0, 0.7);
}

.section-title {
    margin: 16px 0 8px;
    font-size: 26px;
}

.section-desc {
    max-width: 640px;
    margin: 0 auto;
    font-size: 14px;
    color: var(--text-muted);
}

/* โลโก้ส่วนหัวของ section (โซลูชัน) */
.section-logo {
    display: block;
    margin: 0 auto 18px;
    max-width: 160px;
    width: 100%;
    object-fit: contain;
    filter: drop-shadow(0 0 14px rgba(255, 0, 51, 0.6));
}

/* ========== Grids & Cards ========== */
.grid {
    display: grid;
    gap: 20px;
}

.services-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

/* ไอคอนสีแดงของการ์ด (ใช้ได้ทั้งโซลูชัน / ภาคส่วน / ผลงาน) */
.card-icon-wrap {
    display: flex;
    justify-content: center;
    margin-bottom: 10px;
}

.card-icon {
    width: 42px;
    height: 42px;
    object-fit: contain;
    filter: drop-shadow(0 0 10px rgba(255, 0, 51, 0.7));
    opacity: 0.98;
}

.card-tech {
    background: linear-gradient(145deg, var(--bg-card), var(--bg-card-soft));
    border-radius: var(--radius-lg);
    padding: 18px 18px 20px;
    border: 1px solid rgba(255, 255, 255, 0.06);
    box-shadow: var(--shadow-soft);
    position: relative;
    overflow: hidden;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.card-tech::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at top left, rgba(255, 0, 51, 0.2), transparent 60%);
    opacity: 0;
    transition: opacity 0.2s ease;
}

.card-tech:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 0, 51, 0.7);
    box-shadow: 0 24px 55px rgba(0, 0, 0, 0.95);
}

.card-tech:hover::before {
    opacity: 1;
}

.card-title {
    margin: 0 0 6px;
    font-size: 16px;
}

.card-text {
    font-size: 13px;
    color: var(--text-muted);
}

/* Sectors */
.sector-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.sector-card {
    background: rgba(0, 0, 0, 0.7);
    border-radius: var(--radius-md);
    padding: 16px 16px 18px;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.sector-card h3 {
    margin-top: 0;
    margin-bottom: 8px;
    font-size: 15px;
}

.sector-card ul {
    list-style: none;
    padding-left: 0;
    margin: 0;
    font-size: 13px;
    color: var(--text-muted);
}

.sector-card li::before {
    content: "▹";
    color: var(--accent);
    margin-right: 6px;
}

/* Portfolio */
.portfolio-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.portfolio-card {
    background: rgba(0, 0, 0, 0.8);
    border-radius: var(--radius-md);
    padding: 16px 16px 18px;
    border: 1px solid rgba(255, 255, 255, 0.06);
    box-shadow: 0 14px 34px rgba(0, 0, 0, 0.95);
}

.portfolio-card h3 {
    margin: 0 0 6px;
    font-size: 15px;
}

.portfolio-card p {
    font-size: 13px;
    color: var(--text-muted);
}

/* Team */
.team-photo-wrap {
    display: flex;
    justify-content: center;
    margin-bottom: 26px;
}

.team-photo {
    max-width: 720px;
    width: 100%;
    border-radius: 18px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.95);
    object-fit: cover;
    background: #000;
}

.team-highlight {
    max-width: 700px;
    margin: 0 auto;
    background: rgba(0, 0, 0, 0.75);
    border-radius: var(--radius-lg);
    padding: 18px 20px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    font-size: 13px;
    color: var(--text-muted);
}

/* ========== MAP ========== */
.section-map {
    background: radial-gradient(circle at top, rgba(255, 0, 51, 0.18), #050509 55%);
}

.map-frame-wrapper {
    position: relative;
    width: 100%;
    max-width: 100%;
    height: 460px;
    border-radius: 22px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.18);
    box-shadow: 0 26px 60px rgba(0, 0, 0, 0.95);
    background: #000;
}

.map-frame-wrapper iframe {
    width: 100%;
    height: 100%;
    display: block;
    border: 0;
}

/* Contact */
.section-contact {
    background: linear-gradient(160deg, #050509 0, #12040b 55%, #050509 100%);
}

.contact-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    gap: 30px;
    align-items: flex-start;
}

.contact-details {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    margin-top: 18px;
}

.contact-block {
    background: rgba(0, 0, 0, 0.7);
    border-radius: var(--radius-md);
    padding: 12px 14px;
    border: 1px solid rgba(255, 255, 255, 0.07);
    font-size: 13px;
    color: var(--text-muted);
}

.contact-block h3 {
    margin-top: 0;
    margin-bottom: 4px;
    font-size: 14px;
    color: #ffffff;
}

.contact-block a {
    color: var(--accent);
    text-decoration: none;
}

.contact-form-wrapper {
    background: rgba(0, 0, 0, 0.78);
    border-radius: var(--radius-lg);
    padding: 18px 18px 20px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: var(--shadow-soft);
}

.contact-form-wrapper h3 {
    margin-top: 0;
    margin-bottom: 10px;
    font-size: 16px;
}

.contact-form {
    display: grid;
    gap: 10px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.form-group label {
    font-size: 12px;
}

.form-group input,
.form-group textarea {
    background: #050509;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    padding: 8px 10px;
    color: #ffffff;
    font-family: inherit;
    font-size: 13px;
    outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 1px var(--accent-soft);
}

.btn-block {
    width: 100%;
}

/* Footer */
.main-footer {
    background: #000000;
    padding: 16px 0 18px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-inner {
    text-align: center;
    font-size: 11px;
    color: var(--text-muted);
}

.footer-small {
    margin-top: 4px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

/* ========== Responsive ========== */
@media (max-width: 980px) {
    .hero-inner {
        grid-template-columns: minmax(0, 1fr);
    }

    .hero-visual {
        order: -1;
        margin-bottom: 18px;
    }

    .services-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .sector-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .portfolio-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .contact-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .contact-details {
        grid-template-columns: minmax(0, 1fr);
    }
}

@media (max-width: 720px) {
    .header-inner {
        align-items: center;
        flex-wrap: wrap;
    }

    .main-nav {
        position: absolute;
        inset: 56px 16px auto;
        flex-direction: column;
        align-items: flex-start;
        background: rgba(0, 0, 0, 0.96);
        padding: 12px 14px;
        border-radius: 12px;
        border: 1px solid rgba(255, 255, 255, 0.12);
        box-shadow: 0 12px 32px rgba(0, 0, 0, 0.9);
        opacity: 0;
        pointer-events: none;
        transform: translateY(-8px);
        transition: 0.18s ease;
        z-index: 40;
    }

    .main-nav.nav-open {
        opacity: 1;
        pointer-events: auto;
        transform: translateY(0);
    }

    .nav-toggle {
        display: flex;
    }

    .logo-title {
        font-size: 15px;
        letter-spacing: 0.16em;
    }

    .lang-switch {
        margin-left: 0;
        margin-top: 6px;
        order: 3;
    }

    .hero-section {
        padding-top: 90px;
    }

    .hero-title {
        font-size: 26px;
    }

    .services-grid,
    .sector-grid,
    .portfolio-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .section {
        padding: 70px 0;
    }

    .map-frame-wrapper {
        height: 320px;
    }
}