/* BOI Company Thailand — site styles
   Palette: primary #295e88, secondary #318eba, CTA #e07b2e */

:root {
    --c-primary:   #295e88;
    --c-secondary: #318eba;
    --c-cta:       #e07b2e;
    --c-cta-hover: #c46519;
    --c-ink:       #1a2733;
    --c-muted:     #5a6b7a;
    --c-line:      #dde4ec;
    --c-bg:        #ffffff;
    --c-bg-alt:    #f4f7fb;
    --c-bg-dark:   #1f3a52;
    --c-success:   #2f8a4e;
    --c-warn:      #c0392b;
    --radius:      6px;
    --shadow-sm:   0 2px 8px rgba(20, 40, 70, 0.06);
    --shadow-md:   0 6px 22px rgba(20, 40, 70, 0.10);
    --max:         1180px;
}

* { box-sizing: border-box; }
html {
    scroll-behavior: smooth;
    scroll-padding-top: 88px; /* keep anchors clear of the sticky header */
}
body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: var(--c-ink);
    background: var(--c-bg);
    line-height: 1.6;
    font-size: 16px;
    overflow-x: hidden;
}
h1, h2, h3, p { overflow-wrap: anywhere; word-break: normal; }

a { color: var(--c-secondary); text-decoration: none; }
a:hover { text-decoration: underline; }

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

.container { max-width: var(--max); margin: 0 auto; padding: 0 22px; }

/* ===== HEADER ===== */
.site-header {
    position: sticky; top: 0; z-index: 50;
    background: #fff;
    border-bottom: 1px solid var(--c-line);
}
.site-header-inner {
    display: flex; align-items: center; justify-content: space-between;
    gap: 20px; padding: 14px 0;
}
.brand { display: flex; align-items: center; gap: 14px; text-decoration: none; }
.brand img {
    height: 80px;
    width: 80px;
    border-radius: 10px;
    flex-shrink: 0;
    box-shadow: 0 2px 6px rgba(20, 40, 70, 0.06);
}
.brand-text { line-height: 1.15; }
.brand-text strong { font-size: 19px; }
.brand-text span { font-size: 12px; }
.brand-text strong { display: block; color: var(--c-primary); font-size: 17px; font-weight: 700; }
.brand-text span { display: block; color: var(--c-muted); font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase; }

.nav { display: flex; align-items: center; gap: 26px; }
.nav a { color: var(--c-ink); font-weight: 500; font-size: 15px; }
.nav a:hover { color: var(--c-primary); text-decoration: none; }

.lang-switch { display: flex; gap: 4px; padding: 3px; background: var(--c-bg-alt); border-radius: 999px; }
.lang-switch-mobile { display: none; }
.lang-switch a {
    padding: 5px 12px; font-size: 12px; font-weight: 600; border-radius: 999px;
    color: var(--c-muted); letter-spacing: 0.05em;
}
.lang-switch a.active { background: var(--c-primary); color: #fff; }
.lang-switch a:hover { text-decoration: none; }

/* hamburger toggle (always visible on mobile via @media) */
.nav-toggle {
    display: none;
    background: transparent;
    border: 1px solid var(--c-line);
    padding: 0;
    cursor: pointer;
    width: 56px;
    height: 56px;
    border-radius: 10px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 7px;
    flex-shrink: 0;
    transition: background .2s ease, border-color .2s ease;
}
.nav-toggle:hover { background: var(--c-bg-alt); border-color: var(--c-secondary); }
.nav-toggle:focus-visible { outline: 2px solid var(--c-secondary); outline-offset: 2px; }
.nav-toggle:hover { background: var(--c-bg-alt); border-color: var(--c-secondary); }
.nav-toggle:focus-visible { outline: 2px solid var(--c-secondary); outline-offset: 2px; }
.nav-toggle .bar {
    display: block;
    width: 32px;
    height: 3px;
    background: var(--c-primary);
    border-radius: 2px;
    transition: transform .25s ease, opacity .2s ease;
}
.nav-toggle[aria-expanded="true"] .bar:nth-child(1) { transform: translateY(10px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .bar:nth-child(3) { transform: translateY(-10px) rotate(-45deg); }

.btn {
    display: inline-block; padding: 11px 22px; border-radius: var(--radius);
    font-weight: 600; font-size: 15px; border: 0; cursor: pointer;
    transition: background .15s ease, transform .1s ease;
}
.btn-cta { background: var(--c-cta); color: #fff; }
.btn-cta:hover { background: var(--c-cta-hover); text-decoration: none; }
.btn-outline { background: transparent; border: 1.5px solid var(--c-primary); color: var(--c-primary); }
.btn-outline:hover { background: var(--c-primary); color: #fff; text-decoration: none; }
.btn-sm { padding: 8px 16px; font-size: 13px; }

/* ===== HERO ===== */
.hero {
    background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-secondary) 100%);
    color: #fff;
    padding: 64px 0 56px;
}
.hero h1 { font-size: 38px; line-height: 1.15; margin: 0 0 16px; font-weight: 700; }
.hero .lead { font-size: 18px; opacity: 0.92; max-width: 720px; margin: 0 0 26px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
.hero-actions .btn-outline { border-color: rgba(255,255,255,0.6); color: #fff; }
.hero-actions .btn-outline:hover { background: rgba(255,255,255,0.12); }
.kpis {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 14px; margin-top: 36px;
}
.kpi {
    background: rgba(255,255,255,0.10); border: 1px solid rgba(255,255,255,0.18);
    padding: 14px 16px; border-radius: var(--radius); backdrop-filter: blur(4px);
}
.kpi strong { display: block; font-size: 22px; }
.kpi span { display: block; font-size: 12px; opacity: 0.85; margin-top: 2px; }

/* ===== SECTIONS ===== */
section { padding: 56px 0; }
section.alt { background: var(--c-bg-alt); }
section.dark { background: var(--c-bg-dark); color: #fff; }
section.dark h2, section.dark h3 { color: #fff; }
section h2 { font-size: 28px; margin: 0 0 16px; color: var(--c-primary); font-weight: 700; line-height: 1.25; }
section.dark h2 { color: #fff; }
section h3 { font-size: 20px; margin: 0 0 12px; color: var(--c-primary); }
.lead-p { font-size: 17px; color: var(--c-muted); max-width: 760px; margin: 0 0 28px; }

/* ===== SPLIT 2-col ===== */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.split img { border-radius: var(--radius); box-shadow: var(--shadow-md); }
.split p { margin: 0 0 14px; }

/* ===== CARD GRIDS ===== */
.grid { display: grid; gap: 20px; counter-reset: card-counter; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
    counter-increment: card-counter;
    position: relative;
    background: #fff;
    padding: 28px 28px 26px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    border: 1px solid transparent;
    overflow: hidden;
    transition: transform .28s cubic-bezier(.2,.7,.3,1),
                box-shadow .28s ease,
                border-color .28s ease;
}
.card::before {
    content: counter(card-counter, decimal-leading-zero);
    position: absolute;
    top: 14px;
    right: 20px;
    font-size: 46px;
    font-weight: 800;
    color: var(--c-primary);
    opacity: 0.07;
    letter-spacing: -0.05em;
    line-height: 1;
    pointer-events: none;
    user-select: none;
    font-variant-numeric: tabular-nums;
    transition: opacity .28s ease, transform .28s ease;
    z-index: 0;
}
.card > * { position: relative; z-index: 1; }
.card h3 { margin: 0 0 8px; font-size: 17px; color: var(--c-primary); padding-right: 44px; }
.card p { margin: 0; font-size: 14px; color: var(--c-muted); }
.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: rgba(41, 94, 136, 0.12);
}
.card:hover::before {
    opacity: 0.16;
    transform: scale(1.04);
}

.card-dark {
    counter-increment: card-counter;
    position: relative;
    background: rgba(255,255,255,0.06);
    padding: 28px 28px 26px;
    border-radius: var(--radius);
    border: 1px solid rgba(255,255,255,0.10);
    color: #fff;
    overflow: hidden;
    transition: transform .28s cubic-bezier(.2,.7,.3,1), background .28s ease, border-color .28s ease;
}
.card-dark::before {
    content: counter(card-counter, decimal-leading-zero);
    position: absolute;
    top: 14px;
    right: 20px;
    font-size: 46px;
    font-weight: 800;
    color: #fff;
    opacity: 0.10;
    letter-spacing: -0.05em;
    line-height: 1;
    pointer-events: none;
    user-select: none;
    font-variant-numeric: tabular-nums;
    transition: opacity .28s ease, transform .28s ease;
    z-index: 0;
}
.card-dark > * { position: relative; z-index: 1; }
.card-dark h3 { color: #fff; font-size: 17px; margin: 0 0 8px; padding-right: 44px; }
.card-dark p { color: rgba(255,255,255,0.85); margin: 0; font-size: 14px; }
.card-dark:hover {
    transform: translateY(-4px);
    background: rgba(255,255,255,0.10);
    border-color: rgba(255,255,255,0.22);
}
.card-dark:hover::before {
    opacity: 0.20;
    transform: scale(1.04);
}

/* do / don't */
.do-dont { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.do-list, .dont-list {
    background: #fff; padding: 24px; border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
}
.do-list  { border-top: 3px solid var(--c-success); }
.dont-list { border-top: 3px solid var(--c-warn); }
.do-list h3 { color: var(--c-success); }
.dont-list h3 { color: var(--c-warn); }
.do-list ul, .dont-list ul { margin: 0; padding-left: 18px; }
.do-list li, .dont-list li { margin: 8px 0; font-size: 14px; }

/* ordered steps */
.steps { counter-reset: step; list-style: none; padding: 0; margin: 0; }
.steps li {
    counter-increment: step; position: relative; padding: 12px 12px 12px 56px;
    margin: 0 0 10px; background: #fff; border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
}
.steps li::before {
    content: counter(step); position: absolute; left: 14px; top: 50%;
    transform: translateY(-50%); width: 30px; height: 30px;
    background: var(--c-cta); color: #fff; border-radius: 999px;
    display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 14px;
}
.steps li strong { display: block; color: var(--c-primary); margin-bottom: 2px; }

/* stats row */
.stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.stat {
    background: rgba(255,255,255,0.07);
    padding: 16px 18px;
    border-radius: var(--radius);
    border: 1px solid rgba(255,255,255,0.10);
    transition: background .25s ease, border-color .25s ease;
}
.stat:hover { background: rgba(255,255,255,0.12); border-color: rgba(255,255,255,0.22); }
.stat strong {
    display: block;
    font-size: 22px;
    color: #fff;
    background: linear-gradient(90deg, #fff, rgba(224,123,46,0.92));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.stat span { display: block; font-size: 12px; opacity: 0.85; margin-top: 4px; }

/* sub-zone pills */
.pills { display: flex; flex-wrap: wrap; gap: 10px; }
.pill {
    background: #fff; padding: 10px 16px; border-radius: 999px;
    border: 1px solid var(--c-line); font-size: 13px; color: var(--c-ink);
    display: inline-flex; gap: 6px; align-items: baseline;
}
.pill em { color: var(--c-muted); font-style: normal; font-size: 11px; }

/* faq accordion */
.faq details {
    background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius);
    padding: 16px 20px; margin: 0 0 10px;
}
.faq summary {
    cursor: pointer; font-weight: 600; color: var(--c-primary);
    font-size: 15px; list-style: none; position: relative; padding-right: 30px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
    content: "+"; position: absolute; right: 0; top: 50%; transform: translateY(-50%);
    font-size: 22px; color: var(--c-cta); font-weight: 400; transition: transform .15s;
}
.faq details[open] summary::after { content: "−"; }
.faq details p { margin: 12px 0 0; font-size: 14px; color: var(--c-muted); }

/* nearby grid */
.nearby { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; }
.nearby a {
    position: relative;
    background: #fff;
    padding: 16px 38px 16px 20px;
    border-radius: var(--radius);
    border: 1px solid var(--c-line);
    box-shadow: var(--shadow-sm);
    display: flex; flex-direction: column; gap: 4px;
    color: var(--c-ink);
    transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.nearby a strong { color: var(--c-primary); font-size: 15px; }
.nearby a em { color: var(--c-muted); font-size: 12px; font-style: normal; }
.nearby a::after {
    content: "→";
    position: absolute;
    top: 50%;
    right: 18px;
    transform: translateY(-50%);
    color: var(--c-cta);
    font-size: 18px;
    opacity: 0;
    transition: opacity .25s ease, right .25s ease;
}
.nearby a:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--c-secondary);
    text-decoration: none;
}
.nearby a:hover::after { opacity: 1; right: 14px; }

.nearby-parent {
    background: var(--c-primary) !important;
    color: #fff !important;
    border-color: var(--c-primary) !important;
}
.nearby-parent strong { color: #fff !important; }
.nearby-parent em { color: rgba(255,255,255,0.85) !important; }
.nearby-parent::after { color: #fff !important; }
.nearby-parent:hover { border-color: var(--c-secondary) !important; }

/* map */
.map-wrap {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--c-line);
}
.map-wrap::before {
    content: "";
    position: absolute;
    top: 0; left: 0;
    width: 72px; height: 3px;
    background: linear-gradient(90deg, var(--c-primary), var(--c-secondary));
    z-index: 2;
}
.map-wrap iframe { display: block; width: 100%; height: 400px; border: 0; }

/* CTA strip */
.cta-strip {
    background: var(--c-primary); color: #fff; text-align: center; padding: 48px 22px;
}
.cta-strip h2 { color: #fff; margin: 0 0 12px; }
.cta-strip p { margin: 0 0 22px; opacity: 0.92; max-width: 680px; margin-left: auto; margin-right: auto; }

/* ===== FORM ===== */
.contact-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 40px; align-items: start; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-field { margin: 0 0 16px; }
.form-field label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; color: var(--c-primary); letter-spacing: 0.02em; }
.form-field input, .form-field select, .form-field textarea {
    width: 100%;
    padding: 13px 14px;
    border: 1px solid var(--c-line);
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 16px;
    line-height: 1.4;
    color: var(--c-ink);
    background: #fff;
    transition: border-color .15s, box-shadow .15s;
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
    outline: 0; border-color: var(--c-secondary); box-shadow: 0 0 0 3px rgba(49,142,186,0.18);
}
.form-field textarea { min-height: 140px; resize: vertical; }
.honey { position: absolute !important; left: -9999px !important; opacity: 0 !important; pointer-events: none; }
.consent { display: flex; gap: 12px; align-items: flex-start; font-size: 13.5px; color: var(--c-muted); margin: 6px 0 18px; line-height: 1.5; }
.consent input { width: auto; margin-top: 3px; }
.form-msg { padding: 12px 14px; border-radius: var(--radius); margin: 0 0 14px; font-size: 14px; }
.form-msg.ok  { background: #e9f6ee; color: var(--c-success); border: 1px solid #b8e0c5; }
.form-msg.err { background: #fbeaea; color: var(--c-warn);    border: 1px solid #e4b5b5; }

/* AJAX success block */
.form-success {
    background: #f0faf3;
    border: 1px solid #c7e7d2;
    border-left: 5px solid var(--c-success);
    border-radius: var(--radius);
    padding: 28px 30px;
}
.form-success-check { margin-bottom: 12px; }
.form-success h3 { margin: 0 0 8px; color: var(--c-success); font-size: 22px; }
.form-success p  { margin: 0 0 10px; color: var(--c-ink); font-size: 15px; }
.form-success-next-h { margin-top: 18px !important; font-weight: 600; color: var(--c-primary); }
.form-success-steps { margin: 6px 0 12px 0; padding-left: 22px; }
.form-success-steps li { margin: 4px 0; color: var(--c-ink); }
.form-success-explore { font-size: 13.5px; color: var(--c-muted); margin-top: 12px !important; }
.form-success-explore a { color: var(--c-primary); border-bottom: 1px solid var(--c-line); }

@media (max-width: 600px) {
    .form-row { grid-template-columns: 1fr; gap: 0; }
}

.info-card {
    position: relative;
    background: var(--c-bg-alt);
    padding: 28px;
    border-radius: var(--radius);
    border: 1px solid var(--c-line);
    overflow: hidden;
}
.info-card::before {
    content: "";
    position: absolute;
    top: 0; left: 0;
    width: 56px; height: 3px;
    background: linear-gradient(90deg, var(--c-primary), var(--c-secondary));
}
.info-card h3 { color: var(--c-primary); margin: 0 0 10px; }
.info-card p, .info-card address { margin: 0 0 8px; font-size: 14px; color: var(--c-muted); font-style: normal; }

/* ===== FOOTER ===== */
.site-footer {
    background: #15293c; color: rgba(255,255,255,0.85);
    padding: 48px 0 22px; font-size: 14px;
}
.footer-grid {
    display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 36px;
    margin-bottom: 32px;
}
.footer-grid h4 { color: #fff; margin: 0 0 12px; font-size: 14px; text-transform: uppercase; letter-spacing: 0.06em; }
.footer-grid a { color: rgba(255,255,255,0.78); display: block; padding: 4px 0; }
.footer-grid a:hover { color: var(--c-cta); text-decoration: none; }
.powered-by { display: flex; align-items: center; gap: 12px; }
.powered-by img { height: 32px; width: auto; filter: brightness(0) invert(1); opacity: 0.92; }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.10); padding-top: 18px;
    display: flex; justify-content: space-between; flex-wrap: wrap; gap: 16px;
    font-size: 12px; color: rgba(255,255,255,0.6);
}
.footer-bottom a { color: rgba(255,255,255,0.7); }

/* ===== RESPONSIVE ===== */
@media (max-width: 980px) {
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 820px) {
    .nav-toggle { display: flex !important; }
    .site-header-inner { position: relative; gap: 12px; }
    /* hide the header EN/FR pill on mobile — it moves into the dropdown */
    .site-header-inner > .lang-switch { display: none; }
    /* show the dropdown EN/FR pill, aligned with the menu items */
    .nav .lang-switch-mobile {
        display: inline-flex;
        margin: 16px 24px 4px;
        align-self: flex-start;
    }
    .nav .lang-switch-mobile a { padding: 6px 14px; border-bottom: 0; width: auto; font-size: 13px; }
    .nav {
        display: flex !important;
        position: absolute;
        top: calc(100% + 1px);
        left: 0; right: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        background: #fff;
        padding: 8px 0 16px;
        margin: 0;
        box-shadow: 0 16px 40px rgba(20, 40, 70, 0.18);
        border-top: 1px solid var(--c-line);
        opacity: 0;
        transform: translateY(-12px);
        visibility: hidden;
        transition: opacity .25s ease, transform .25s ease, visibility .25s;
        z-index: 60;
    }
    .site-header.nav-open .nav {
        opacity: 1;
        transform: translateY(0);
        visibility: visible;
    }
    .nav a {
        padding: 16px 24px;
        width: 100%;
        font-size: 16px;
        font-weight: 500;
        border-bottom: 1px solid var(--c-line);
    }
    .nav a:last-of-type { border-bottom: 0; }
    .nav a.btn {
        margin: 16px 24px 0;
        width: calc(100% - 48px);
        text-align: center;
        padding: 14px 22px;
        border-bottom: 0;
    }
    .brand img { height: 64px; width: 64px; }
    .brand-text strong { font-size: 16px; }
    .brand-text span { font-size: 10px; }
}

/* very narrow screens: tighter spacing, smaller brand text (text stays visible) */
@media (max-width: 540px) {
    .container { padding: 0 14px; }
    .brand img { height: 52px; width: 52px; }
    .brand { gap: 10px; }
    .brand-text strong { font-size: 14px; line-height: 1.1; }
    .brand-text span { font-size: 9px; letter-spacing: 0.04em; }
    .nav-toggle { width: 48px; height: 48px; }
    .nav-toggle .bar { width: 26px; }
    .site-header-inner { gap: 10px; padding: 12px 0; }
}

@media (max-width: 720px) {
    .hero { padding: 44px 0 36px; }
    .hero h1 { font-size: 28px; }
    .hero .lead { font-size: 16px; }
    section { padding: 40px 0; }
    section h2 { font-size: 23px; }
    .split, .do-dont, .contact-grid { grid-template-columns: 1fr; gap: 28px; }
    .grid-3, .grid-4, .grid-2 { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 24px; }
    .stats { grid-template-columns: 1fr; }
    .brand-text strong { font-size: 15px; }
    .brand-text span { font-size: 10px; }
}