/* ============================================
   SW Accounting & Consult – Professional Theme
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400&family=Inter:wght@300;400;500;600;700&family=Noto+Sans+Thai:wght@300;400;500;600&display=swap');

:root {
  --gold:        #C9A84C;
  --gold-light:  #DDB96A;
  --gold-dark:   #9B7D35;
  --gold-pale:   #FBF4E3;
  --gold-glow:   rgba(201,168,76,0.18);

  --bg:          #FDFCF9;
  --bg-alt:      #F6F2E8;
  --bg-card:     #FFFFFF;
  --bg-deep:     #EDE8D8;

  --text-dark:   #18130A;
  --text:        #3D3526;
  --text-muted:  #7A6E58;
  --text-light:  #A89880;

  --border:      rgba(201,168,76,0.22);
  --border-soft: #EBE4D0;

  --font-serif:  'Playfair Display', Georgia, serif;
  --font-sans:   'Noto Sans Thai', 'Inter', sans-serif;

  --radius-sm:   8px;
  --radius:      14px;
  --radius-lg:   20px;
  --transition:  0.32s cubic-bezier(.4,0,.2,1);

  --shadow-xs:   0 1px 4px rgba(120,90,20,0.07);
  --shadow-sm:   0 3px 16px rgba(120,90,20,0.09);
  --shadow-md:   0 8px 32px rgba(120,90,20,0.12);
  --shadow-lg:   0 20px 56px rgba(120,90,20,0.14);
  --shadow-gold: 0 6px 28px rgba(201,168,76,0.28);
}

/* ── Reset ─────────────────────────────────── */
*,*::before,*::after { box-sizing:border-box; margin:0; padding:0; }
html { scroll-behavior:smooth; font-size:16px; }
body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
img { max-width:100%; display:block; }
a   { text-decoration:none; color:inherit; }
ul  { list-style:none; }

/* ── Language ──────────────────────────────── */
.en { display:none; }
body.lang-en .en { display:revert; }
body.lang-en .th { display:none; }

/* ── Container ─────────────────────────────── */
.container { max-width:1180px; margin:0 auto; padding:0 28px; }

/* ── Buttons ───────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 14px 36px;
  border-radius: 50px;
  font-size: .95rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
  white-space: nowrap;
  font-family: var(--font-sans);
  letter-spacing: .3px;
}
.btn-gold {
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-dark) 100%);
  color: #fff;
  box-shadow: var(--shadow-gold);
}
.btn-gold:hover {
  background: linear-gradient(135deg, var(--gold-light) 0%, var(--gold) 100%);
  box-shadow: 0 8px 36px rgba(201,168,76,0.4);
  transform: translateY(-2px);
}
.btn-outline {
  background: transparent;
  border-color: var(--gold);
  color: var(--gold-dark);
}
.btn-outline:hover {
  background: var(--gold-pale);
  border-color: var(--gold-dark);
  transform: translateY(-2px);
}
.btn.full-width { width:100%; justify-content:center; }

/* ── Sections ──────────────────────────────── */
.section { padding: 108px 0; }

.section-header { text-align:center; margin-bottom:68px; }

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--gold-dark);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: 4px;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.section-tag::before,
.section-tag::after {
  content: '';
  display: inline-block;
  width: 28px;
  height: 1px;
  background: var(--gold);
  opacity: .6;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.9rem, 3.5vw, 2.9rem);
  font-weight: 700;
  color: var(--text-dark);
  line-height: 1.2;
  margin-bottom: 18px;
}
.section-title::after {
  content: '';
  display: block;
  width: 48px; height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
  margin: 18px auto 0;
  border-radius: 3px;
}
.section-subtitle {
  color: var(--text-muted);
  font-size: 1.02rem;
  max-width: 580px;
  margin: 0 auto;
  line-height: 1.8;
}

/* ══════════════════════════════════════════
   NAVBAR
══════════════════════════════════════════ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: var(--transition);
}
.navbar.scrolled {
  background: rgba(253,252,249,0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 12px 0;
  border-bottom: 1px solid var(--border-soft);
  box-shadow: 0 2px 24px rgba(120,90,20,0.08);
}
.navbar .container { display:flex; align-items:center; justify-content:space-between; }
.nav-brand { display:flex; align-items:center; gap:12px; }
.nav-logo {
  width: 52px; height: 36px;
  object-fit: contain;
  border-radius: 6px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.18), 0 0 0 1px rgba(201,168,76,0.2);
}
.nav-name {
  font-family: var(--font-serif);
  font-size: .9rem;
  font-weight: 700;
  color: var(--gold-dark);
  letter-spacing: .2px;
  line-height: 1.25;
}
.nav-menu { display:flex; align-items:center; gap:32px; }
.nav-link {
  font-size: .875rem;
  font-weight: 500;
  color: var(--text);
  position: relative;
  padding: 4px 0;
  transition: color var(--transition);
}
.nav-link::after {
  content:'';
  position:absolute;
  bottom:-2px; left:0;
  width:0; height:2px;
  background: var(--gold);
  border-radius:2px;
  transition: width var(--transition);
}
.nav-link:hover { color:var(--gold-dark); }
.nav-link:hover::after { width:100%; }

.lang-switcher {
  display:flex; align-items:center; gap:2px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 4px 6px;
}
.lang-btn {
  background:none; border:none; cursor:pointer;
  padding: 4px 10px;
  border-radius: 20px;
  font-weight: 700; font-size: .76rem;
  color: var(--text-muted);
  transition: var(--transition);
  font-family: var(--font-sans);
}
.lang-btn.active, .lang-btn:hover { background:var(--gold); color:#fff; }

.nav-toggle {
  display:none; flex-direction:column; gap:5px;
  background:none; border:none; cursor:pointer; padding:4px;
}
.nav-toggle span {
  display:block; width:25px; height:2px;
  background:var(--gold); border-radius:2px;
  transition: var(--transition);
}

/* ══════════════════════════════════════════
   HERO
══════════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex; align-items:center; justify-content:center;
  text-align: center;
  overflow: hidden;
  background: var(--bg);
}
.hero-bg {
  position:absolute; inset:0;
  background:
    radial-gradient(ellipse 65% 55% at 50% 38%, rgba(201,168,76,0.09) 0%, transparent 70%),
    radial-gradient(ellipse 90% 35% at 50% 100%, rgba(201,168,76,0.06) 0%, transparent 60%);
}
.hero-lines {
  position:absolute; inset:0;
  background-image:
    linear-gradient(rgba(201,168,76,0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201,168,76,0.055) 1px, transparent 1px);
  background-size: 68px 68px;
}
/* corner rings */
.hero::before, .hero::after {
  content:'';
  position:absolute;
  border-radius:50%;
  border: 1px solid rgba(201,168,76,0.1);
  pointer-events:none;
}
.hero::before { width:600px; height:600px; top:-200px; left:-200px; }
.hero::after  { width:400px; height:400px; bottom:-100px; right:-100px; }

.hero-content { position:relative; z-index:2; padding:120px 20px 80px; }

.hero-logo-wrap { margin-bottom:30px; }
.hero-logo {
  width: 260px; height: 160px;
  object-fit: contain;
  border-radius: 16px;
  margin: 0 auto;
  box-shadow:
    0 8px 24px rgba(0,0,0,0.12),
    0 24px 64px rgba(0,0,0,0.09),
    0 0 0 1px rgba(201,168,76,0.18);
  animation: floatLogo 7s ease-in-out infinite;
}
@keyframes floatLogo {
  0%,100% { transform:translateY(0) rotate(0deg); }
  50%      { transform:translateY(-10px) rotate(.5deg); }
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5vw, 4rem);
  font-weight: 700;
  color: var(--text-dark);
  letter-spacing: .5px;
  margin-bottom: 18px;
  line-height: 1.15;
}
.hero-divider {
  display:flex; align-items:center; justify-content:center;
  gap:16px; margin:20px auto;
}
.divider-line {
  flex:1; max-width:100px; height:1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}
.divider-diamond { color:var(--gold); font-size:.6rem; }

.hero-subtitle {
  font-size: clamp(.95rem, 2vw, 1.15rem);
  color: var(--text-muted);
  max-width: 500px;
  margin: 0 auto 38px;
  line-height: 1.85;
}
.hero-btns { display:flex; gap:14px; justify-content:center; flex-wrap:wrap; }

.hero-scroll { position:absolute; bottom:32px; left:50%; transform:translateX(-50%); z-index:2; }
.scroll-indicator {
  width:28px; height:46px;
  border:2px solid rgba(201,168,76,0.3);
  border-radius:20px;
  display:flex; justify-content:center; padding-top:8px;
}
.scroll-indicator span {
  display:block; width:4px; height:9px;
  background:var(--gold); border-radius:4px;
  animation: scrollDot 2.2s ease-in-out infinite;
}
@keyframes scrollDot {
  0%   { opacity:1; transform:translateY(0); }
  100% { opacity:0; transform:translateY(16px); }
}

/* ══════════════════════════════════════════
   ABOUT
══════════════════════════════════════════ */
.about { background:#fff; }
.about-grid { display:grid; grid-template-columns:1fr 1fr; gap:72px; align-items:center; }

.about-text p { color:var(--text); margin-bottom:22px; line-height:1.95; }

.about-features { margin-top:12px; }
.feature-item {
  display:flex; align-items:flex-start; gap:13px;
  padding:12px 0;
  border-bottom:1px solid var(--border-soft);
  font-size:.92rem; color:var(--text);
}
.feature-item:last-child { border-bottom:none; }
.feature-item i {
  width:28px; height:28px;
  background: var(--gold-pale);
  border-radius:6px;
  display:flex; align-items:center; justify-content:center;
  color:var(--gold-dark); font-size:.72rem;
  flex-shrink:0; margin-top:1px;
}

/* Experience block */
.about-exp { display:flex; flex-direction:column; gap:24px; }
.exp-badge {
  display:flex; align-items:center; gap:24px;
  background: linear-gradient(135deg, var(--gold-pale) 0%, #FFF9EE 100%);
  border:1px solid rgba(201,168,76,0.25);
  border-left:4px solid var(--gold);
  border-radius:var(--radius);
  padding:28px 28px;
  box-shadow: var(--shadow-xs);
}
.exp-badge > i { font-size:2.4rem; color:var(--gold); flex-shrink:0; }
.exp-number {
  font-family:var(--font-serif);
  font-size:3.2rem; font-weight:700;
  color:var(--gold-dark); line-height:1;
}
.exp-label { font-size:.88rem; color:var(--text-muted); margin-top:5px; font-weight:500; }
.exp-desc {
  color:var(--text); font-size:.94rem; line-height:1.95;
  padding:22px 24px;
  background:var(--bg-alt);
  border-radius:var(--radius);
  border-left:4px solid var(--border-soft);
}

/* ══════════════════════════════════════════
   SERVICES – Tab Layout
══════════════════════════════════════════ */
.services { background: var(--bg); }

/* ── Tab Nav ─────────────────────────────── */
.svc-wrap { width:100%; }

.svc-tab-nav {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  background: #fff;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  border: 1px solid var(--border-soft);
  border-bottom: none;
  overflow: hidden;
}

.svc-tab-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 28px 20px 24px;
  background: transparent;
  border: none;
  border-bottom: 3px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  font-family: var(--font-sans);
}
.svc-tab-btn + .svc-tab-btn { border-left: 1px solid var(--border-soft); }
.svc-tab-btn:hover { background: var(--bg-alt); }

.svc-tab-btn.active {
  background: var(--gold-pale);
  border-bottom-color: var(--gold);
}

.stb-num {
  font-family: var(--font-serif);
  font-size: .7rem; font-weight: 700;
  color: var(--gold);
  letter-spacing: 2px;
}
.svc-tab-btn.active .stb-num { color: var(--gold-dark); }

.stb-icon {
  width: 52px; height: 52px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; color: var(--text-muted);
  transition: var(--transition);
}
.svc-tab-btn.active .stb-icon,
.svc-tab-btn:hover .stb-icon {
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-dark) 100%);
  color: #fff; border-color: transparent;
  box-shadow: 0 4px 16px rgba(201,168,76,0.35);
}

.stb-label {
  font-size: .82rem; font-weight: 600;
  color: var(--text-muted);
  text-align: center; line-height: 1.35;
  transition: color var(--transition);
}
.svc-tab-btn.active .stb-label { color: var(--gold-dark); }

/* ── Panels ──────────────────────────────── */
.svc-panels {
  background: #fff;
  border: 1px solid var(--border-soft);
  border-top: none;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.svc-panel { display: none; }
.svc-panel.active {
  display: grid;
  grid-template-columns: 340px 1fr;
  min-height: 440px;
  animation: panelFade .35s ease;
}
@keyframes panelFade {
  from { opacity:0; transform:translateY(8px); }
  to   { opacity:1; transform:translateY(0); }
}

/* Left side */
.panel-left {
  padding: 44px 40px;
  background: linear-gradient(160deg, #FFFDF6 0%, #F7F1E1 100%);
  border-right: 1px solid var(--border-soft);
  display: flex; flex-direction: column;
  justify-content: center; gap: 16px;
}

.panel-chip {
  display: inline-block;
  background: rgba(201,168,76,0.15);
  color: var(--gold-dark);
  font-size: .68rem; font-weight: 700;
  letter-spacing: 1.5px; text-transform: uppercase;
  padding: 5px 14px; border-radius: 20px;
  border: 1px solid rgba(201,168,76,0.3);
  width: fit-content;
}

.panel-icon {
  width: 70px; height: 70px;
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-dark) 100%);
  border-radius: 18px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.8rem; color: #fff;
  box-shadow: 0 8px 28px rgba(201,168,76,0.38);
}

.panel-title {
  font-family: var(--font-serif);
  font-size: 1.45rem; font-weight: 700;
  color: var(--text-dark); line-height: 1.3;
}

.panel-desc {
  font-size: .875rem; color: var(--text-muted);
  line-height: 1.85;
}

.btn-sm-gold {
  padding: 11px 24px;
  font-size: .85rem;
  width: fit-content;
  margin-top: 4px;
}

/* Right side */
.panel-right { padding: 44px 44px 44px 48px; }

.panel-list-label {
  display: flex; align-items: center; gap: 10px;
  font-size: .72rem; font-weight: 700;
  color: var(--gold-dark); letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-soft);
}
.panel-list-label i { color: var(--gold); }

.svc-checklist {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 13px 28px;
}
.svc-checklist li {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: .87rem; color: var(--text);
  line-height: 1.5;
}
.svc-checklist li i {
  color: var(--gold);
  font-size: .9rem;
  flex-shrink: 0; margin-top: 2px;
}
.svc-checklist--single {
  grid-template-columns: 1fr;
}
.svc-checklist--single li {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-dark);
  background: var(--gold-pale);
  border: 1px solid rgba(201,168,76,0.25);
  border-left: 4px solid var(--gold);
  border-radius: var(--radius-sm);
  padding: 16px 18px;
  line-height: 1.6;
}
.svc-checklist--single li i {
  font-size: 1.1rem;
  margin-top: 3px;
}

/* ══════════════════════════════════════════
   WHY CHOOSE US
══════════════════════════════════════════ */
.why-us { background:var(--bg-alt); }
.why-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:28px; }

.why-card {
  background:var(--bg-card);
  border:1px solid var(--border-soft);
  border-radius:var(--radius-lg);
  padding:44px 32px;
  text-align:center;
  transition:var(--transition);
  box-shadow:var(--shadow-xs);
  position:relative; overflow:hidden;
}
.why-card::after {
  content:'';
  position:absolute;
  bottom:0; left:0; right:0; height:3px;
  background:linear-gradient(90deg,var(--gold-dark),var(--gold-light));
  transform:scaleX(0); transform-origin:left;
  transition:transform var(--transition);
}
.why-card:hover { box-shadow:var(--shadow-md); transform:translateY(-5px); }
.why-card:hover::after { transform:scaleX(1); }

.why-icon {
  width:74px; height:74px;
  background:var(--gold-pale);
  border:2px solid rgba(201,168,76,0.22);
  border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  font-size:1.7rem; color:var(--gold-dark);
  margin:0 auto 22px;
  transition:var(--transition);
}
.why-card:hover .why-icon {
  background:linear-gradient(135deg,var(--gold),var(--gold-dark));
  color:#fff; border-color:transparent;
  box-shadow:0 6px 24px rgba(201,168,76,0.38);
}
.why-card h3 {
  font-family:var(--font-serif); font-size:1.2rem;
  color:var(--text-dark); margin-bottom:14px;
}
.why-card p { color:var(--text-muted); font-size:.88rem; line-height:1.85; }

/* ══════════════════════════════════════════
   CONTACT
══════════════════════════════════════════ */
.contact { background:#fff; }
.contact-grid { display:grid; grid-template-columns:1fr 1.15fr; gap:64px; align-items:start; }

.contact-item {
  display:flex; align-items:flex-start; gap:18px;
  padding:20px 0;
  border-bottom:1px solid var(--border-soft);
}
.contact-item:last-child { border-bottom:none; }
.contact-item i {
  width:46px; height:46px;
  background:var(--gold-pale);
  border:1px solid rgba(201,168,76,0.25);
  border-radius:12px;
  display:flex; align-items:center; justify-content:center;
  font-size:1rem; color:var(--gold-dark); flex-shrink:0;
}
.contact-item h4 {
  font-size:.72rem; font-weight:700;
  color:var(--gold-dark); letter-spacing:1.5px;
  text-transform:uppercase; margin-bottom:5px;
}
.contact-item p { color:var(--text); font-size:.95rem; }

.contact-form {
  background:var(--bg-alt);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:40px 38px;
  box-shadow:var(--shadow-sm);
  position:relative; overflow:hidden;
}
.contact-form::before {
  content:'';
  position:absolute;
  top:0; left:0; right:0; height:4px;
  background:linear-gradient(90deg,var(--gold-dark),var(--gold-light));
}
.form-group { margin-bottom:18px; }
.form-group label {
  display:block; font-size:.72rem; font-weight:700;
  color:var(--gold-dark); letter-spacing:1.2px;
  text-transform:uppercase; margin-bottom:8px;
}
.form-group input,
.form-group textarea {
  width:100%;
  background:#fff;
  border:1px solid var(--border-soft);
  border-radius:var(--radius-sm);
  padding:12px 16px;
  color:var(--text-dark); font-size:.93rem;
  font-family:var(--font-sans);
  transition:var(--transition); outline:none;
}
.form-group input:focus,
.form-group textarea:focus {
  border-color:var(--gold);
  box-shadow:0 0 0 3px var(--gold-glow);
}
.form-group textarea { resize:vertical; }
.form-success { display:none; text-align:center; padding:20px; color:var(--gold-dark); }

/* ══════════════════════════════════════════
   FOOTER
══════════════════════════════════════════ */
.footer {
  background: #141008;
  padding:64px 0 0;
}
.footer-content {
  display:grid; grid-template-columns:2fr 1fr 1fr;
  gap:52px; padding-bottom:52px;
  border-bottom:1px solid rgba(201,168,76,0.12);
}
.footer-logo {
  width: 90px; height: 56px;
  object-fit: contain;
  border-radius: 8px;
  margin-bottom: 14px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.3);
}
.footer-name { font-family:var(--font-serif); font-size:1rem; color:var(--gold-light); margin-bottom:6px; }
.footer-tagline { font-size:.82rem; color:rgba(255,255,255,.38); }

.footer-links h4, .footer-contact h4 {
  font-size:.68rem; font-weight:700; letter-spacing:3px;
  text-transform:uppercase; color:var(--gold); margin-bottom:18px;
}
.footer-links a {
  display:block; color:rgba(255,255,255,.5);
  font-size:.88rem; padding:5px 0;
  transition:color var(--transition);
}
.footer-links a:hover { color:var(--gold-light); }
.footer-contact p {
  display:flex; align-items:center; gap:10px;
  color:rgba(255,255,255,.5); font-size:.88rem; padding:5px 0;
}
.footer-contact i { color:var(--gold); width:14px; }
.footer-bottom {
  display:flex; align-items:center; justify-content:space-between;
  padding:20px 0; font-size:.76rem; color:rgba(255,255,255,.28);
}
.admin-link {
  width:28px; height:28px; display:flex; align-items:center;
  justify-content:center; color:rgba(201,168,76,.15);
  font-size:.76rem; transition:var(--transition);
}
.admin-link:hover { color:var(--gold); }

/* ══════════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════════ */
@media (max-width:1024px) {
  .svc-panel.active { grid-template-columns:1fr; }
  .panel-left { border-right:none; border-bottom:1px solid var(--border-soft); }
  .svc-checklist { grid-template-columns:1fr; }
  .about-grid   { grid-template-columns:1fr; gap:44px; }
}
@media (max-width:768px) {
  .section      { padding:76px 0; }
  .nav-menu {
    display:none; position:fixed; inset:0;
    background:rgba(253,252,249,.98);
    flex-direction:column; align-items:center; justify-content:center;
    gap:30px; z-index:999;
  }
  .nav-menu.open { display:flex; }
  .nav-link      { font-size:1.15rem; color:var(--text-dark); }
  .nav-toggle    { display:flex; z-index:1000; }
  .hero-logo     { width:110px; height:110px; }
  .hero-btns     { flex-direction:column; align-items:center; }
  .why-grid      { grid-template-columns:1fr; }
  .contact-grid  { grid-template-columns:1fr; }
  .footer-content{ grid-template-columns:1fr; gap:32px; }
  .contact-form  { padding:28px 22px; }
}
@media (max-width:480px) {
  .hero-title  { font-size:1.8rem; }
  .cat-head    { padding:24px 20px 20px; }
  .cat-body    { padding:20px 20px 28px; }
}