/* ============================================================
   COMMIT CO., LTD. — Main Stylesheet
   style.css
   ============================================================ */

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

:root {
  --navy:    #0B1829;
  --navy2:   #122240;
  --blue:    #0070F3;
  --blue-lt: #3B9BFF;
  --cyan:    #00D4FF;
  --white:   #FFFFFF;
  --off:     #F4F7FB;
  --gray:    #8A9BB5;
  --text:    #1E2D45;
  --border:  rgba(0,112,243,0.15);
  --shadow:  0 8px 40px rgba(0,0,0,0.10);
}

html { scroll-behavior: smooth; }
body { font-family: 'Sarabun', sans-serif; color: var(--text); background: #fff; overflow-x: hidden; }

/* ── NAVBAR ─────────────────────────────────────────── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 6%; height: 68px;
  background: rgba(11,24,41,0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: background .3s;
}
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.nav-links { display: flex; gap: 32px; list-style: none; }
.nav-links a {
  color: rgba(255,255,255,0.78); text-decoration: none;
  font-size: 15px; font-weight: 500; transition: color .2s;
}
.nav-links a:hover { color: var(--cyan); }
.nav-cta {
  background: var(--blue); color: #fff; border: none; border-radius: 7px;
  padding: 9px 22px; font-family: 'Sarabun', sans-serif; font-size: 15px;
  font-weight: 600; cursor: pointer; transition: background .2s, transform .15s;
}
.nav-cta:hover { background: var(--blue-lt); transform: translateY(-1px); }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; }
.hamburger span { display: block; width: 24px; height: 2px; background: #fff; border-radius: 2px; }

/* Mobile Nav Drawer */
.mobile-menu {
  display: none; position: fixed; top: 68px; left: 0; right: 0; z-index: 99;
  background: rgba(11,24,41,0.98); backdrop-filter: blur(12px);
  padding: 20px 6% 28px; border-bottom: 1px solid rgba(255,255,255,0.08);
  flex-direction: column; gap: 4px;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  color: rgba(255,255,255,0.8); text-decoration: none; font-size: 16px;
  font-weight: 500; padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: color .2s;
}
.mobile-menu a:last-child { border-bottom: none; }
.mobile-menu a:hover { color: var(--cyan); }

/* ── HERO ────────────────────────────────────────────── */
#hero {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy2) 60%, #0a2240 100%);
  display: flex; align-items: center;
  padding: 68px 6% 0;
  position: relative; overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(ellipse 60% 60% at 80% 50%, rgba(0,112,243,0.14) 0%, transparent 70%),
    radial-gradient(ellipse 40% 40% at 10% 80%, rgba(0,212,255,0.08) 0%, transparent 60%);
}
.hero-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 60px; align-items: center;
  width: 100%; max-width: 1200px; margin: 0 auto;
  position: relative; z-index: 1;
}
.hero-label {
  display: inline-block;
  background: rgba(0,112,243,0.18); border: 1px solid rgba(0,112,243,0.35);
  color: var(--cyan); font-size: 13px; font-weight: 600; letter-spacing: .08em;
  padding: 5px 14px; border-radius: 20px; margin-bottom: 22px; text-transform: uppercase;
}
.hero-title {
  font-family: 'Kanit', sans-serif; font-size: clamp(32px,4vw,52px);
  font-weight: 800; color: #fff; line-height: 1.15; margin-bottom: 20px;
}
.hero-title .accent { color: var(--cyan); }
.hero-desc { font-size: 17px; color: rgba(255,255,255,0.7); line-height: 1.8; margin-bottom: 36px; }
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }

/* Buttons */
.btn-primary {
  background: var(--blue); color: #fff; padding: 13px 30px; border-radius: 8px;
  font-size: 16px; font-weight: 600; text-decoration: none;
  transition: background .2s, transform .15s, box-shadow .2s;
  box-shadow: 0 4px 20px rgba(0,112,243,0.4);
  display: inline-block;
}
.btn-primary:hover { background: var(--blue-lt); transform: translateY(-2px); box-shadow: 0 6px 28px rgba(0,112,243,0.5); }
.btn-outline {
  border: 1.5px solid rgba(255,255,255,0.3); color: #fff;
  padding: 13px 30px; border-radius: 8px;
  font-size: 16px; font-weight: 600; text-decoration: none;
  transition: border-color .2s, background .2s; display: inline-block;
}
.btn-outline:hover { border-color: var(--cyan); background: rgba(0,212,255,0.08); }
.btn-white {
  background: #fff; color: var(--blue); padding: 13px 32px; border-radius: 8px;
  font-size: 16px; font-weight: 700; text-decoration: none;
  transition: transform .15s, box-shadow .2s;
  box-shadow: 0 4px 20px rgba(0,0,0,0.15); display: inline-block;
}
.btn-white:hover { transform: translateY(-2px); box-shadow: 0 6px 28px rgba(0,0,0,0.2); }
.btn-ghost {
  border: 2px solid rgba(255,255,255,0.5); color: #fff;
  padding: 13px 32px; border-radius: 8px;
  font-size: 16px; font-weight: 700; text-decoration: none;
  transition: border-color .2s, background .2s; display: inline-block;
}
.btn-ghost:hover { border-color: #fff; background: rgba(255,255,255,0.1); }

/* Hero Visual Card */
.hero-visual { display: flex; justify-content: center; align-items: center; }
.hero-card-wrap { position: relative; width: 100%; max-width: 420px; }
.hero-card {
  background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1);
  border-radius: 20px; padding: 32px; backdrop-filter: blur(10px);
  animation: float 5s ease-in-out infinite;
}
@keyframes float { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-12px)} }
.hero-card-tag {
  font-size: 12px; color: var(--cyan); font-weight: 600;
  letter-spacing: .08em; text-transform: uppercase; margin-bottom: 14px;
}
.hero-card h3 { color: #fff; font-family: 'Kanit', sans-serif; font-size: 20px; font-weight: 700; margin-bottom: 20px; }
.hero-stats { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; }
.stat { background: rgba(0,112,243,0.15); border-radius: 10px; padding: 14px 10px; text-align: center; }
.stat-num { font-family: 'Kanit', sans-serif; font-size: 26px; font-weight: 800; color: var(--cyan); display: block; }
.stat-lbl { font-size: 12px; color: rgba(255,255,255,0.6); margin-top: 3px; line-height: 1.3; display: block; }
.deco-ring {
  position: absolute; width: 200px; height: 200px; border-radius: 50%;
  border: 1.5px dashed rgba(0,212,255,0.2);
  top: -40px; right: -40px; animation: spin 25s linear infinite;
}
@keyframes spin { to{transform:rotate(360deg)} }

/* ── SECTIONS BASE ───────────────────────────────────── */
section { padding: 90px 6%; }
.section-inner { max-width: 1200px; margin: 0 auto; }
.sec-label {
  font-size: 12px; font-weight: 700; letter-spacing: .15em;
  text-transform: uppercase; color: var(--blue); margin-bottom: 10px;
}
.sec-title {
  font-family: 'Kanit', sans-serif; font-size: clamp(26px,3vw,38px);
  font-weight: 800; color: var(--navy); line-height: 1.2; margin-bottom: 14px;
}
.sec-desc { font-size: 16px; color: var(--gray); line-height: 1.8; max-width: 580px; }

/* ── ABOUT ───────────────────────────────────────────── */
#about { background: var(--off); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items: center; }
.about-img {
  border-radius: 18px; overflow: hidden;
  background: linear-gradient(135deg, var(--navy) 0%, #1a3a6b 100%);
  aspect-ratio: 4/3; display: flex; align-items: center; justify-content: center;
}
.about-img-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; padding: 32px; width: 100%; }
.about-block {
  background: rgba(255,255,255,0.07); border-radius: 12px; padding: 20px 16px;
  border: 1px solid rgba(255,255,255,0.1); text-align: center;
}
.about-block-icon { font-size: 28px; margin-bottom: 8px; }
.about-block-txt { font-size: 13px; color: rgba(255,255,255,0.7); font-weight: 500; }
.about-body { font-size: 16px; color: #4A5568; line-height: 1.9; margin-bottom: 28px; }
.about-points { display: flex; flex-direction: column; gap: 12px; margin-bottom: 32px; }
.about-point { display: flex; align-items: flex-start; gap: 12px; font-size: 15px; color: var(--text); }
.point-dot {
  width: 20px; height: 20px; border-radius: 50%;
  background: linear-gradient(135deg,var(--blue),var(--cyan));
  flex-shrink: 0; margin-top: 2px;
  display: flex; align-items: center; justify-content: center;
}
.point-dot::after { content:'✓'; color:#fff; font-size:11px; font-weight:700; }

/* ── SERVICES ────────────────────────────────────────── */
#services { background: #fff; }
.services-header {
  display: flex; justify-content: space-between; align-items: flex-end;
  margin-bottom: 50px; flex-wrap: wrap; gap: 20px;
}
.service-cards { display: grid; grid-template-columns: repeat(3,1fr); gap: 28px; }
.service-card {
  border: 1.5px solid var(--border); border-radius: 18px; padding: 36px 30px;
  background: #fff; transition: transform .25s, box-shadow .25s, border-color .25s;
  position: relative; overflow: hidden;
}
.service-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
  transform: scaleX(0); transform-origin: left; transition: transform .3s;
}
.service-card:hover { transform: translateY(-6px); box-shadow: 0 20px 50px rgba(0,112,243,0.12); border-color: var(--blue); }
.service-card:hover::before { transform: scaleX(1); }
.svc-icon {
  width: 58px; height: 58px; border-radius: 14px;
  background: linear-gradient(135deg, rgba(0,112,243,0.1), rgba(0,212,255,0.1));
  display: flex; align-items: center; justify-content: center;
  font-size: 26px; margin-bottom: 22px;
  border: 1px solid rgba(0,112,243,0.15);
}
.svc-title { font-family: 'Kanit', sans-serif; font-size: 20px; font-weight: 700; color: var(--navy); margin-bottom: 12px; line-height: 1.3; }
.svc-desc { font-size: 15px; color: var(--gray); line-height: 1.75; margin-bottom: 24px; }
.svc-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
  font-size: 12px; font-weight: 600; padding: 4px 12px; border-radius: 20px;
  background: rgba(0,112,243,0.08); color: var(--blue); border: 1px solid rgba(0,112,243,0.18);
}

/* ── PROJECTS ────────────────────────────────────────── */
#projects { background: var(--navy); }
#projects .sec-label { color: var(--cyan); }
#projects .sec-title { color: #fff; }
#projects .sec-desc  { color: rgba(255,255,255,0.55); }
.projects-header {
  display: flex; justify-content: space-between; align-items: flex-end;
  flex-wrap: wrap; gap: 16px;
}
.project-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; margin-top: 50px; }
.project-card {
  border-radius: 14px; overflow: hidden;
  background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08);
  transition: transform .25s, border-color .25s; cursor: pointer;
}
.project-card:hover { transform: translateY(-4px); border-color: rgba(0,212,255,0.3); }
.project-thumb {
  height: 160px; display: flex; align-items: center;
  justify-content: center; font-size: 48px;
}
.project-thumb.t1 { background: linear-gradient(135deg,#0f3460,#1a6b8a); }
.project-thumb.t2 { background: linear-gradient(135deg,#1a1a3e,#2d5a8e); }
.project-thumb.t3 { background: linear-gradient(135deg,#0d3b2e,#1a6b5a); }
.project-body { padding: 20px 22px 24px; }
.project-cat { font-size: 11px; font-weight: 700; color: var(--cyan); letter-spacing: .1em; text-transform: uppercase; margin-bottom: 8px; }
.project-name { font-family: 'Kanit', sans-serif; font-size: 17px; font-weight: 700; color: #fff; margin-bottom: 8px; line-height: 1.35; }
.project-sub { font-size: 13px; color: rgba(255,255,255,0.5); }

/* ── TRAINING ────────────────────────────────────────── */
#training { background: var(--off); }
.training-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 70px; align-items: center; }
.course-list { display: flex; flex-direction: column; gap: 16px; margin-top: 32px; }
.course-item {
  background: #fff; border: 1.5px solid var(--border); border-radius: 12px;
  padding: 20px 22px; display: flex; align-items: center; gap: 18px;
  transition: border-color .2s, box-shadow .2s;
}
.course-item:hover { border-color: var(--blue); box-shadow: 0 4px 20px rgba(0,112,243,0.1); }
.course-num {
  width: 38px; height: 38px; border-radius: 8px;
  background: linear-gradient(135deg,var(--blue),var(--cyan));
  color: #fff; font-family: 'Kanit', sans-serif; font-weight: 800; font-size: 15px;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.course-info { flex: 1; }
.course-name { font-weight: 700; font-size: 15px; color: var(--navy); margin-bottom: 3px; }
.course-meta { font-size: 13px; color: var(--gray); }
.training-cta-box {
  background: linear-gradient(135deg, var(--navy), #1a3a6b);
  border-radius: 20px; padding: 44px; color: #fff; text-align: center;
}
.training-cta-box h3 { font-family:'Kanit',sans-serif; font-size:24px; font-weight:800; margin-bottom:12px; }
.training-cta-box p { color:rgba(255,255,255,0.65); font-size:15px; line-height:1.7; margin-bottom:28px; }
.cta-feat { display:grid; grid-template-columns:1fr 1fr; gap:12px; margin-bottom:32px; }
.cta-feat-item { background:rgba(255,255,255,0.08); border-radius:10px; padding:14px 12px; font-size:14px; color:rgba(255,255,255,0.8); }
.cta-feat-item strong { display:block; font-size:13px; color:var(--cyan); margin-bottom:3px; font-weight:700; letter-spacing:.05em; }

/* ── NEWS ────────────────────────────────────────────── */
#news { background: #fff; }
.news-header {
  display:flex; justify-content:space-between; align-items:flex-end;
  margin-bottom:40px; flex-wrap:wrap; gap:16px;
}
.news-all-link { color:var(--blue); font-weight:600; font-size:15px; text-decoration:none; }
.news-all-link:hover { color:var(--blue-lt); }
.news-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.news-card {
  border:1.5px solid #E8EFF8; border-radius:14px; overflow:hidden;
  transition:transform .2s, box-shadow .2s;
}
.news-card:hover { transform:translateY(-4px); box-shadow:var(--shadow); }
.news-thumb {
  height:170px; display:flex; align-items:center;
  justify-content:center; font-size:36px; position:relative;
}
.news-thumb.n1 { background:linear-gradient(135deg,#e8f0fe,#d2e3ff); }
.news-thumb.n2 { background:linear-gradient(135deg,#e6f4ea,#ceead6); }
.news-thumb.n3 { background:linear-gradient(135deg,#fff3e0,#ffe0b2); }
.news-date {
  position:absolute; bottom:12px; left:14px;
  font-size:11px; font-weight:700; color:var(--blue);
  background:#fff; padding:3px 10px; border-radius:12px;
}
.news-body { padding:20px 22px 24px; }
.news-cat { font-size:11px; font-weight:700; color:var(--blue); letter-spacing:.08em; text-transform:uppercase; margin-bottom:8px; }
.news-title { font-family:'Kanit',sans-serif; font-size:16px; font-weight:700; color:var(--navy); line-height:1.4; margin-bottom:8px; }
.news-excerpt { font-size:13px; color:var(--gray); line-height:1.65; }

/* ── CTA BAND ────────────────────────────────────────── */
#cta-band {
  background: linear-gradient(135deg, var(--blue) 0%, #0055c8 100%);
  padding: 70px 6%; text-align: center;
}
#cta-band h2 { font-family:'Kanit',sans-serif; font-size:clamp(24px,3vw,36px); font-weight:800; color:#fff; margin-bottom:14px; }
#cta-band p  { font-size:16px; color:rgba(255,255,255,0.8); margin-bottom:32px; }
.cta-band-btns { display:flex; gap:14px; justify-content:center; flex-wrap:wrap; }

/* ── FOOTER ──────────────────────────────────────────── */
footer { background: var(--navy); padding: 60px 6% 30px; }
.footer-grid {
  max-width: 1200px; margin: 0 auto;
  display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px; margin-bottom: 50px;
}
.footer-brand p { font-size:14px; color:rgba(255,255,255,0.45); line-height:1.8; margin-top:14px; max-width:260px; }
.footer-social { display:flex; gap:10px; margin-top:20px; }
.social-btn {
  width:36px; height:36px; border-radius:8px;
  background:rgba(255,255,255,0.08);
  display:flex; align-items:center; justify-content:center;
  font-size:16px; transition:background .2s; cursor:pointer;
  text-decoration:none;
}
.social-btn:hover { background:var(--blue); }
.footer-col h4 { font-family:'Kanit',sans-serif; font-size:15px; font-weight:700; color:#fff; margin-bottom:18px; }
.footer-col ul { list-style:none; display:flex; flex-direction:column; gap:10px; }
.footer-col ul a { color:rgba(255,255,255,0.5); text-decoration:none; font-size:14px; transition:color .2s; }
.footer-col ul a:hover { color:var(--cyan); }
.footer-contact-item { display:flex; gap:10px; margin-bottom:12px; }
.contact-icon { color:var(--cyan); font-size:16px; flex-shrink:0; margin-top:1px; }
.contact-text { font-size:14px; color:rgba(255,255,255,0.5); line-height:1.6; }
.footer-bottom {
  border-top:1px solid rgba(255,255,255,0.07); padding-top:24px;
  display:flex; justify-content:space-between; align-items:center;
  flex-wrap:wrap; gap:12px; max-width:1200px; margin:0 auto;
}
.footer-bottom p { font-size:13px; color:rgba(255,255,255,0.3); }
.footer-links { display:flex; gap:20px; }
.footer-links a { font-size:13px; color:rgba(255,255,255,0.3); text-decoration:none; transition:color .2s; }
.footer-links a:hover { color:var(--cyan); }

/* ── RESPONSIVE ──────────────────────────────────────── */
@media (max-width: 900px) {
  .nav-links, .nav-cta { display: none; }
  .hamburger { display: flex; }
  .hero-grid, .about-grid, .training-grid { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .service-cards, .project-grid, .news-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 580px) {
  section { padding: 64px 5%; }
  .service-cards, .project-grid, .news-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .cta-feat { grid-template-columns: 1fr; }
  .projects-header { flex-direction: column; align-items: flex-start; }
}