/* ── Base ────────────────────────────────────────────── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;overflow-x:hidden}
body{font-family:'Inter','Noto Sans Thai',sans-serif;background:#030D1F;color:#fff;overflow-x:hidden;line-height:1.6;max-width:100vw}
::selection{background:rgba(37,99,235,.4);color:#fff}
::-webkit-scrollbar{width:5px}
::-webkit-scrollbar-track{background:#030D1F}
::-webkit-scrollbar-thumb{background:rgba(37,99,235,.5);border-radius:3px}

/* ── Tokens ────────────────────────────────────────────── */
:root{
  --b:#1D4ED8;
  --bl:#60A5FA;
  --glass:rgba(29,78,216,.07);
  --border:rgba(59,130,246,.22);
  --dark-bg:#030D1F;
  --dark-surface:#040F22;
  --light-bg:#EFF6FF;
  --text-dark:#0F172A;
  --text-body:#475569;
  --text-muted-dark:#94A3B8;
}

/* ── Gradient text ────────────────────────────────────────────── */
.gradient-text{
  background:linear-gradient(135deg,#BFDBFE 0%,#60A5FA 40%,#2563EB 70%,#93C5FD 100%);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
  background-size:200% 200%;animation:gradShift 4s ease infinite;
}
@keyframes gradShift{0%,100%{background-position:0% 50%}50%{background-position:100% 50%}}

/* ── Loader ────────────────────────────────────────────── */
#loader{transition:opacity .6s ease,visibility .6s ease}
#loader.hidden{opacity:0;visibility:hidden;pointer-events:none}
.loader-logo{animation:logoPulse 1.4s ease-in-out infinite}
@keyframes logoPulse{0%,100%{transform:scale(1)}50%{transform:scale(1.07)}}
.loader-bar{width:180px;height:2px;background:rgba(37,99,235,.18);border-radius:1px;margin:0 auto;overflow:hidden}
.loader-progress{height:100%;background:linear-gradient(90deg,#1D4ED8,#93C5FD);border-radius:1px;animation:loadFill 1.5s ease forwards}
@keyframes loadFill{from{width:0}to{width:100%}}

/* ── Navbar ────────────────────────────────────────────── */
#navbar{
  background:rgba(3,13,31,.82);
  border-bottom:1px solid rgba(37,99,235,.1);
}
#navbar.scrolled{
  background:rgba(3,13,31,.97);
  backdrop-filter:blur(24px);
  -webkit-backdrop-filter:blur(24px);
  border-bottom:1px solid rgba(37,99,235,.22);
  box-shadow:0 4px 24px rgba(0,0,0,.3);
}
.nav-link{color:rgba(255,255,255,.72);font-size:.875rem;font-weight:500;text-decoration:none;position:relative;padding:.25rem 0;transition:color .3s}
.nav-link::after{content:'';position:absolute;bottom:-2px;left:0;width:0;height:2px;background:linear-gradient(90deg,#1D4ED8,#60A5FA);border-radius:2px;transition:width .3s}
.nav-link:hover{color:#93C5FD}
.nav-link:hover::after{width:100%}

/* ── Lang toggle — เห็นชัดทุก bg ─── */
.lang-toggle{
  display:flex;align-items:center;gap:5px;
  background:rgba(29,78,216,.25);
  border:1.5px solid rgba(96,165,250,.5);
  border-radius:9999px;
  padding:5px 14px;
  font-size:.72rem;font-weight:700;
  cursor:pointer;letter-spacing:.05em;
  transition:all .3s;
  min-height:38px;
  white-space:nowrap;
}
.lang-toggle:hover{background:rgba(29,78,216,.45);border-color:#60A5FA}
.lang-opt{color:rgba(255,255,255,.6);transition:color .3s}
.lang-opt.active{color:#FFFFFF;font-weight:800}

/* ── Mobile menu ─── */
.mobile-menu{background:rgba(3,13,31,.98);backdrop-filter:blur(24px);border-bottom:1px solid rgba(37,99,235,.2)}
.mobile-link{display:block;color:rgba(255,255,255,.75);font-size:1rem;font-weight:500;text-decoration:none;padding:.9rem 0;border-bottom:1px solid rgba(37,99,235,.1);transition:color .3s}
.mobile-link:hover,.mobile-link:active{color:#93C5FD}

/* ── Hero ────────────────────────────────────────────── */
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(29,78,216,.15);border:1px solid rgba(59,130,246,.35);border-radius:9999px;padding:6px 18px;font-size:.78rem;color:#93C5FD;font-weight:500}
.badge-dot{width:7px;height:7px;background:#2563EB;border-radius:50%;box-shadow:0 0 9px rgba(37,99,235,.9);animation:dotPulse 2s ease infinite}
@keyframes dotPulse{0%,100%{transform:scale(1);opacity:1}50%{transform:scale(1.4);opacity:.6}}
.hero-title{font-size:clamp(2.2rem,7vw,6.5rem);line-height:1.04;letter-spacing:-.02em}
.hero-tagline{font-size:clamp(.85rem,2vw,1.3rem);color:rgba(255,255,255,.35);font-weight:300;letter-spacing:.2em}
.hero-subtitle{font-size:clamp(.82rem,1.4vw,1.05rem);color:#64748B;line-height:1.85}
.scroll-hint{display:flex;flex-direction:column;align-items:center;animation:scrollBounce 2s ease-in-out infinite}
.scroll-mouse{width:22px;height:36px;border:2px solid rgba(37,99,235,.5);border-radius:11px;display:flex;justify-content:center;padding-top:5px}
.scroll-wheel{width:2px;height:6px;background:#2563EB;border-radius:2px;animation:wheelAnim 2s ease infinite}
@keyframes wheelAnim{0%{transform:translateY(0);opacity:1}100%{transform:translateY(10px);opacity:0}}
@keyframes scrollBounce{0%,100%{transform:translateX(-50%) translateY(0)}50%{transform:translateX(-50%) translateY(-8px)}}

/* ── Buttons ────────────────────────────────────────────── */
.btn-primary{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:13px 32px;background:linear-gradient(135deg,#1D4ED8,#2563EB);color:#fff;font-weight:600;font-size:.9rem;border-radius:9999px;text-decoration:none;border:none;cursor:pointer;font-family:inherit;transition:all .3s;box-shadow:0 0 28px rgba(29,78,216,.5);position:relative;overflow:hidden}
.btn-primary::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,#2563EB,#3B82F6);opacity:0;transition:opacity .3s}
.btn-primary span{position:relative;z-index:1}
.btn-primary:hover::before{opacity:1}
.btn-primary:hover{box-shadow:0 0 42px rgba(37,99,235,.75);transform:translateY(-2px)}
.btn-secondary{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:13px 32px;background:transparent;color:#60A5FA;font-weight:600;font-size:.9rem;border-radius:9999px;text-decoration:none;border:1px solid rgba(37,99,235,.5);cursor:pointer;transition:all .3s}
.btn-secondary:hover{background:rgba(29,78,216,.14);border-color:#2563EB;box-shadow:0 0 22px rgba(29,78,216,.25);transform:translateY(-2px)}

/* ── Section common ────────────────────────────────────────────── */
.section-badge{display:inline-block;background:rgba(29,78,216,.13);border:1px solid rgba(59,130,246,.3);border-radius:9999px;padding:4px 16px;font-size:.72rem;color:#93C5FD;text-transform:uppercase;letter-spacing:.12em;font-weight:600}
.section-title{font-size:clamp(1.6rem,4vw,3rem);font-weight:900;text-align:center;line-height:1.15;background:linear-gradient(135deg,#fff 0%,#93C5FD 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.section-sub{color:#94A3B8;font-size:.9rem;text-align:center;line-height:1.8}

/* ── Section glows ────────────────────────────────────────────── */
.section-glow-left,.section-glow-right{
  position:absolute;top:50%;transform:translateY(-50%);
  width:500px;height:500px;pointer-events:none;
}
.section-glow-left{left:-250px;background:radial-gradient(circle,rgba(29,78,216,.12) 0%,transparent 70%)}
.section-glow-right{right:-250px;background:radial-gradient(circle,rgba(29,78,216,.1) 0%,transparent 70%)}

/* Clip glows — hero keeps overflow:hidden from Tailwind, others get it here */
#services,#portfolio,#gallery,#about,#contact{overflow:hidden}

/* ══════════════════════════════════════════
   LIGHT SECTION THEME (Services & About)
══════════════════════════════════════════ */
.section-light{background:#EFF6FF}
.section-light .section-title{background:linear-gradient(135deg,#0F172A 0%,#1D4ED8 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.section-light .section-badge{background:rgba(29,78,216,.09);border-color:rgba(29,78,216,.28);color:#1D4ED8}
.section-light .section-sub{color:#475569}
.section-light p{color:#475569}
.section-light .section-glow-left,.section-light .section-glow-right{background:radial-gradient(circle,rgba(29,78,216,.07) 0%,transparent 70%)}

/* Service cards on light bg */
.section-light .svc-card{background:#fff;border-color:rgba(29,78,216,.1);box-shadow:0 2px 16px rgba(0,0,0,.06)}
.section-light .svc-card::before{background:linear-gradient(135deg,rgba(29,78,216,.05) 0%,transparent 65%)}
.section-light .svc-card:hover{border-color:rgba(29,78,216,.3);box-shadow:0 20px 50px rgba(29,78,216,.14),0 2px 16px rgba(0,0,0,.06)}
.section-light .svc-icon-box{background:rgba(29,78,216,.09);border-color:rgba(29,78,216,.18)}
.section-light .svc-card:hover .svc-icon-box{background:rgba(29,78,216,.18);box-shadow:0 0 16px rgba(37,99,235,.25)}
.section-light .svc-title{color:#0F172A}
.section-light .svc-desc{color:#475569}
.section-light .tag{background:rgba(29,78,216,.07);border-color:rgba(29,78,216,.18);color:#1D4ED8}

/* About stats on light bg */
.section-light .stat-card{background:#fff;border-color:rgba(29,78,216,.1);box-shadow:0 2px 16px rgba(0,0,0,.06)}
.section-light .stat-card:hover{box-shadow:0 12px 40px rgba(29,78,216,.13)}
.section-light .stat-lbl{color:#475569}
.section-light .value-card{background:#fff;border-color:rgba(29,78,216,.1);box-shadow:0 1px 8px rgba(0,0,0,.05)}
.section-light .value-card:hover{background:#EFF6FF;border-color:rgba(29,78,216,.25)}
.section-light .value-label{color:#1D4ED8}
.section-light .about-orb{background:#fff;border-color:rgba(29,78,216,.1);box-shadow:0 4px 24px rgba(0,0,0,.07)}
.section-light .orb-note{color:rgba(29,78,216,.3)}

/* ── Service cards (dark) ────────────────────────────────────────────── */
.svc-card{background:var(--glass);border:1px solid var(--border);border-radius:20px;padding:1.75rem;transition:all .4s;position:relative;overflow:hidden}
.svc-card::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(29,78,216,.12) 0%,transparent 65%);opacity:0;transition:opacity .4s}
.svc-card:hover::before{opacity:1}
.svc-card:hover{border-color:rgba(59,130,246,.45);transform:translateY(-8px);box-shadow:0 24px 60px rgba(29,78,216,.25)}
.svc-icon-box{width:60px;height:60px;background:rgba(29,78,216,.14);border:1px solid rgba(59,130,246,.25);border-radius:15px;display:flex;align-items:center;justify-content:center;margin-bottom:1.2rem;transition:all .4s}
.svc-card:hover .svc-icon-box{background:rgba(29,78,216,.28);box-shadow:0 0 22px rgba(37,99,235,.4)}
.svc-icon{font-size:1.65rem;line-height:1}
.svc-title{font-size:1.05rem;font-weight:700;color:#fff;margin-bottom:.65rem}
.svc-desc{color:#94A3B8;font-size:.84rem;line-height:1.75;margin-bottom:.9rem}
.svc-tags{display:flex;flex-wrap:wrap;gap:5px}
.tag{background:rgba(29,78,216,.12);border:1px solid rgba(59,130,246,.22);color:#60A5FA;font-size:.68rem;padding:3px 9px;border-radius:9999px;font-weight:500}

/* ── Portfolio (dark) ────────────────────────────────────────────── */
.filter-row{display:flex;flex-wrap:wrap;justify-content:center;gap:.6rem}
.filter-btn{padding:8px 18px;min-height:40px;border-radius:9999px;font-size:.82rem;font-weight:500;cursor:pointer;font-family:inherit;transition:all .3s;background:rgba(29,78,216,.08);border:1px solid rgba(59,130,246,.15);color:rgba(255,255,255,.5);white-space:nowrap}
.filter-btn.active,.filter-btn:hover{background:rgba(29,78,216,.24);border-color:rgba(59,130,246,.55);color:#93C5FD}
.portfolio-item{transition:opacity .4s,transform .4s}
.portfolio-item.hidden{display:none}
.port-card{border-radius:20px;overflow:hidden;background:rgba(29,78,216,.05);border:1px solid rgba(59,130,246,.14);transition:all .4s}
.port-card:hover{transform:translateY(-6px);box-shadow:0 20px 60px rgba(29,78,216,.22);border-color:rgba(59,130,246,.35)}
.port-thumb{height:210px;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}
.port-thumb-inner{text-align:center;z-index:1}
.port-overlay{position:absolute;inset:0;background:rgba(0,0,0,.45);backdrop-filter:blur(3px);display:flex;align-items:flex-end;padding:.9rem;opacity:0;transition:opacity .3s}
.port-card:hover .port-overlay{opacity:1}
.port-cat{background:rgba(29,78,216,.85);color:#fff;font-size:.72rem;padding:4px 12px;border-radius:9999px;font-weight:500}
.port-body{padding:1.1rem}
.port-title{font-size:.95rem;font-weight:700;color:#fff;margin-bottom:.45rem}
.port-desc{color:#94A3B8;font-size:.8rem;line-height:1.75;margin-bottom:.75rem}
.port-tags{display:flex;flex-wrap:wrap;gap:5px}

/* ── About (light) stats ────────────────────────────────────────────── */
.stat-card{background:rgba(29,78,216,.07);border:1px solid rgba(59,130,246,.15);border-radius:20px;padding:1.75rem 1.25rem;text-align:center;transition:all .4s}
.stat-card:hover{border-color:rgba(59,130,246,.4);box-shadow:0 10px 35px rgba(29,78,216,.2);transform:translateY(-4px)}
.stat-num{font-size:2.4rem;font-weight:900;line-height:1}
.stat-lbl{color:#94A3B8;font-size:.78rem;margin-top:.45rem;line-height:1.35}
.value-card{background:rgba(29,78,216,.06);border:1px solid rgba(59,130,246,.13);border-radius:12px;padding:1rem;text-align:center;transition:all .3s}
.value-card:hover{background:rgba(29,78,216,.14);border-color:rgba(59,130,246,.32)}
.value-label{color:#60A5FA;font-size:.8rem;font-weight:600}
.about-orb{background:rgba(29,78,216,.06);border:1px solid rgba(59,130,246,.14);border-radius:20px;padding:1.75rem;text-align:center}
.notes-row{display:flex;justify-content:center;gap:1rem;margin-bottom:.9rem}
.orb-note{font-size:1.4rem;color:rgba(29,78,216,.55);animation:noteFloat 3s ease-in-out infinite;animation-delay:var(--d,0s)}
@keyframes noteFloat{0%,100%{transform:translateY(0);color:rgba(29,78,216,.55)}50%{transform:translateY(-10px);color:#60A5FA}}

/* ── Contact (dark) ────────────────────────────────────────────── */
.form-group{display:flex;flex-direction:column;gap:.45rem}
.form-label{color:#CBD5E1;font-size:.84rem;font-weight:500}
.form-input{background:rgba(29,78,216,.07);border:1px solid rgba(59,130,246,.22);border-radius:12px;padding:12px 15px;min-height:48px;color:#fff;font-size:.88rem;transition:all .3s;outline:none;font-family:inherit;width:100%}
.form-input::placeholder{color:rgba(255,255,255,.25)}
.form-input:focus{border-color:rgba(59,130,246,.65);background:rgba(29,78,216,.13);box-shadow:0 0 0 3px rgba(29,78,216,.13)}
.form-select{cursor:pointer;-webkit-appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%2360A5FA'%3E%3Cpath fill-rule='evenodd' d='M5.293 7.293a1 1 0 011.414 0L10 10.586l3.293-3.293a1 1 0 111.414 1.414l-4 4a1 1 0 01-1.414 0l-4-4a1 1 0 010-1.414z' clip-rule='evenodd'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;background-size:15px;padding-right:38px}
.form-select option{background:#071428;color:#fff}
.form-textarea{resize:vertical;min-height:100px}
.contact-header{background:rgba(29,78,216,.08);border:1px solid rgba(59,130,246,.2);border-radius:16px;padding:1.4rem}
.contact-row{display:flex;align-items:flex-start;gap:.9rem;background:rgba(29,78,216,.05);border:1px solid rgba(59,130,246,.12);border-radius:12px;padding:.9rem;transition:all .3s}
.contact-row:hover{border-color:rgba(59,130,246,.3);background:rgba(29,78,216,.12)}
.contact-icon-box{width:40px;height:40px;min-width:40px;background:rgba(29,78,216,.16);border-radius:9px;display:flex;align-items:center;justify-content:center;font-size:1.2rem}
.contact-lbl{color:#64748B;font-size:.72rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em}
.contact-val{color:#CBD5E1;font-size:.88rem;text-decoration:none;transition:color .3s;display:block;margin-top:2px;word-break:break-all}
.contact-val:hover{color:#60A5FA}
.cta-pill{display:flex;align-items:flex-start;gap:.9rem;background:linear-gradient(135deg,rgba(29,78,216,.18),rgba(37,99,235,.1));border:1px solid rgba(59,130,246,.32);border-radius:16px;padding:1.2rem}

/* ── Footer ────────────────────────────────────────────── */
.footer-link{color:#1E3A5F;font-size:.84rem;text-decoration:none;transition:color .3s}
.footer-link:hover{color:#60A5FA}
.footer-contact{display:flex;align-items:center;gap:8px;color:#1E3A5F;font-size:.84rem;text-decoration:none;transition:color .3s;word-break:break-all}
.footer-contact:hover{color:#60A5FA}

/* ── LINE floating button ────────────────────────────────────────────── */
.line-float{position:fixed;bottom:4.5rem;right:1.5rem;z-index:201;display:flex;align-items:center;gap:.45rem;background:#06C755;color:#fff;text-decoration:none;padding:.45rem .9rem .45rem .6rem;border-radius:50px;box-shadow:0 4px 20px rgba(6,199,85,.5);transition:transform .25s,box-shadow .25s;font-size:.8rem;font-weight:700;white-space:nowrap}
.line-float:hover{transform:translateY(-3px);box-shadow:0 8px 30px rgba(6,199,85,.7)}
.line-float-icon{width:22px;height:22px;flex-shrink:0}
.line-float-label{color:#fff;font-family:inherit}

/* ── Back to top ────────────────────────────────────────────── */
.back-to-top{position:fixed;bottom:1.5rem;right:1.5rem;width:44px;height:44px;background:linear-gradient(135deg,#1D4ED8,#2563EB);border:none;border-radius:50%;color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 22px rgba(29,78,216,.55);transition:all .3s;opacity:0;transform:translateY(20px);pointer-events:none;z-index:200}
.back-to-top.visible{opacity:1;transform:translateY(0);pointer-events:all}
.back-to-top:hover{box-shadow:0 8px 32px rgba(29,78,216,.8);transform:translateY(-2px)}

/* ── Scroll animations ────────────────────────────────────────────── */
.fade-up{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease}
.fade-up.visible{opacity:1;transform:translateY(0)}
.fade-up:nth-child(1){transition-delay:0ms}
.fade-up:nth-child(2){transition-delay:70ms}
.fade-up:nth-child(3){transition-delay:140ms}
.fade-up:nth-child(4){transition-delay:0ms}
.fade-up:nth-child(5){transition-delay:70ms}
.fade-up:nth-child(6){transition-delay:140ms}
.fade-up:nth-child(7){transition-delay:0ms}
.fade-up:nth-child(8){transition-delay:70ms}
.fade-up:nth-child(9){transition-delay:140ms}
.fade-up:nth-child(10){transition-delay:0ms}
.fade-up:nth-child(11){transition-delay:70ms}
.fade-up:nth-child(12){transition-delay:140ms}

/* ══════════════════════════════════════════
   GALLERY
══════════════════════════════════════════ */
.gallery-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:.6rem;
}
@media(min-width:480px){.gallery-grid{grid-template-columns:repeat(3,1fr);gap:.7rem}}
@media(min-width:768px){.gallery-grid{grid-template-columns:repeat(4,1fr);gap:.85rem}}
@media(min-width:1280px){.gallery-grid{grid-template-columns:repeat(5,1fr);gap:1rem}}

.gallery-item{
  aspect-ratio:1/1;
  border-radius:10px;
  overflow:hidden;
  cursor:pointer;
  position:relative;
  transition:transform .3s,box-shadow .3s;
}
@media(min-width:640px){.gallery-item{border-radius:14px}}
.gallery-item:hover{transform:scale(1.04);box-shadow:0 12px 40px rgba(29,78,216,.35);z-index:2}
.gallery-thumb{width:100%;height:100%;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:.25rem}
.gallery-emoji{font-size:1.6rem;line-height:1}
@media(min-width:640px){.gallery-emoji{font-size:2rem}}
.gallery-label{color:rgba(255,255,255,.7);font-size:.55rem;font-weight:600;text-align:center;padding:0 .35rem;line-height:1.3}
@media(min-width:640px){.gallery-label{font-size:.65rem}}
.gallery-overlay{
  position:absolute;inset:0;
  background:linear-gradient(to top,rgba(0,0,0,.75) 0%,transparent 60%);
  display:flex;align-items:flex-end;padding:.5rem .6rem;
  opacity:0;transition:opacity .3s;
}
@media(min-width:640px){.gallery-overlay{padding:.7rem}}
.gallery-item:hover .gallery-overlay{opacity:1}
.gallery-overlay-text{color:#fff;font-size:.65rem;font-weight:500;line-height:1.35}
@media(min-width:640px){.gallery-overlay-text{font-size:.75rem}}

/* Lightbox */
.lightbox-overlay{
  position:fixed;inset:0;
  background:rgba(0,0,0,.92);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  z-index:9000;
  display:flex;align-items:center;justify-content:center;
  opacity:0;pointer-events:none;transition:opacity .3s;
  padding:1rem;
}
.lightbox-overlay.active{opacity:1;pointer-events:all}
.lightbox-body{
  width:min(90vw,520px);
  display:flex;flex-direction:column;gap:.9rem;
}
.lightbox-img{
  width:100%;aspect-ratio:4/3;
  border-radius:16px;overflow:hidden;
  display:flex;align-items:center;justify-content:center;
  font-size:4rem;
}
@media(min-width:640px){.lightbox-img{font-size:5.5rem}}
.lightbox-info{text-align:center;padding:0 .5rem}
.lightbox-close{
  position:fixed;top:1rem;right:1rem;
  width:40px;height:40px;
  border:1px solid rgba(255,255,255,.25);border-radius:50%;
  background:rgba(0,0,0,.6);color:#fff;cursor:pointer;
  font-size:1rem;display:flex;align-items:center;justify-content:center;
  transition:all .3s;z-index:9001;
}
.lightbox-close:hover{background:rgba(255,255,255,.15);border-color:rgba(255,255,255,.5)}
.lightbox-prev,.lightbox-next{
  position:fixed;top:50%;transform:translateY(-50%);
  width:40px;height:40px;
  border:1px solid rgba(255,255,255,.2);border-radius:50%;
  background:rgba(0,0,0,.6);color:#fff;cursor:pointer;
  font-size:1.5rem;display:flex;align-items:center;justify-content:center;
  transition:all .3s;z-index:9001;
}
@media(min-width:640px){.lightbox-prev,.lightbox-next{width:48px;height:48px}}
.lightbox-prev{left:.75rem}
.lightbox-next{right:.75rem}
.lightbox-prev:hover,.lightbox-next:hover{background:rgba(29,78,216,.6);border-color:#60A5FA}

/* ══════════════════════════════════════════
   RESPONSIVE — MOBILE + TABLET NAVBAR FIX
══════════════════════════════════════════ */
@media(max-width:1023px){
  /* Navbar controls always visible */
  .lang-toggle{
    padding:4px 11px;
    font-size:.68rem;
    min-height:36px;
    background:rgba(29,78,216,.3) !important;
    border-color:rgba(96,165,250,.55) !important;
  }
  #menuToggle{
    display:flex !important;   /* force visible regardless of other rules */
    min-width:40px;
    min-height:40px;
  }
}

/* ══════════════════════════════════════════
   RESPONSIVE — MOBILE  (< 640px)
══════════════════════════════════════════ */
@media(max-width:639px){
  /* Section padding */
  section:not(#home){padding-top:3.5rem !important;padding-bottom:3.5rem !important}

  /* Navbar */
  .lang-toggle{padding:4px 10px;font-size:.66rem;min-height:34px}

  /* Container */
  .max-w-7xl{padding-left:1rem !important;padding-right:1rem !important}

  /* Typography */
  .hero-title{font-size:2.2rem !important;line-height:1.1}
  .section-title{font-size:1.55rem !important}
  .hero-tagline{letter-spacing:.12em;font-size:.82rem}

  /* Hero */
  .hero-badge{font-size:.7rem;padding:5px 12px}
  .scroll-hint{display:none}

  /* Buttons */
  .btn-primary,.btn-secondary{min-height:48px;padding:12px 22px;font-size:.85rem}

  /* Service cards — full width, less padding */
  .svc-card{padding:1.25rem}
  .svc-icon-box{width:50px;height:50px;border-radius:12px;margin-bottom:1rem}
  .svc-icon{font-size:1.4rem}
  .svc-title{font-size:.95rem}
  .svc-desc{font-size:.8rem}

  /* Portfolio filter — horizontal scroll on mobile */
  .filter-row{flex-wrap:nowrap;overflow-x:auto;justify-content:flex-start;-webkit-overflow-scrolling:touch;padding-bottom:.5rem;scroll-snap-type:x mandatory;-ms-overflow-style:none;scrollbar-width:none}
  .filter-row::-webkit-scrollbar{display:none}
  .filter-btn{scroll-snap-align:start;flex-shrink:0}

  /* Portfolio cards */
  .port-thumb{height:180px}
  .port-body{padding:.85rem}
  .port-title{font-size:.9rem}
  .port-desc{font-size:.78rem}

  /* About stats — 2 col แต่ลด font */
  .stat-num{font-size:1.8rem !important}
  .stat-lbl{font-size:.68rem !important;line-height:1.4}
  .stat-card{padding:1.1rem .8rem}

  /* About layout — center title on mobile */
  .section-title.text-left{text-align:center !important}
  .about-orb{padding:1.25rem}
  .notes-row{gap:.65rem}
  .orb-note{font-size:1.1rem}

  /* Contact */
  .contact-header{padding:1rem}
  .contact-row{padding:.75rem;gap:.7rem}
  .contact-icon-box{width:36px;height:36px;min-width:36px;font-size:1rem}
  .cta-pill{flex-direction:column;gap:.6rem}
  .form-input{min-height:48px;font-size:.9rem}

  /* Footer — more compact */
  footer{padding-top:2.5rem;padding-bottom:2.5rem}

  /* Back to top position */
  .back-to-top{bottom:1.25rem;right:1.25rem;width:40px;height:40px}

  /* Gap overrides */
  .gap-16{gap:2.5rem !important}
  .gap-12{gap:1.75rem !important}
  .gap-10{gap:1.5rem !important}
  .gap-8 {gap:1.25rem !important}
}

/* ══════════════════════════════════════════
   RESPONSIVE — TABLET PORTRAIT  (640–767px)
══════════════════════════════════════════ */
@media(min-width:640px) and (max-width:767px){
  section:not(#home){padding-top:4.5rem !important;padding-bottom:4.5rem !important}
  .max-w-7xl{padding-left:1.5rem !important;padding-right:1.5rem !important}
  .section-title{font-size:1.85rem !important}
  .hero-title{font-size:3rem !important}
  .stat-num{font-size:2rem !important}
  .stat-card{padding:1.4rem 1rem}
  .port-thumb{height:200px}
  .gap-16{gap:3rem !important}
}

/* ══════════════════════════════════════════
   RESPONSIVE — TABLET LANDSCAPE  (768–1023px)
══════════════════════════════════════════ */
@media(min-width:768px) and (max-width:1023px){
  section:not(#home){padding-top:5rem !important;padding-bottom:5rem !important}
  .max-w-7xl{padding-left:2rem !important;padding-right:2rem !important}
  .section-title{font-size:2.1rem !important}
  .hero-title{font-size:4rem !important}
  .stat-num{font-size:2.1rem !important}
  .gap-16{gap:3rem !important}
  .gap-12{gap:2rem !important}
}

/* ══════════════════════════════════════════
   RESPONSIVE — LANDSCAPE PHONE
══════════════════════════════════════════ */
@media(max-height:500px) and (orientation:landscape){
  #home{min-height:100vh;padding-top:5rem}
  .hero-title{font-size:2rem !important}
  .scroll-hint{display:none}
}