/* ============================================================
   CHIANGMAI AI — Shared Stylesheet
   ============================================================ */
:root{
  --ink:#0A0F2C;
  --ink-2:#15193E;
  --navy:#0B1238;
  --navy-soft:#141A47;
  --indigo:#5C6BFF;
  --indigo-2:#7886FF;
  --indigo-3:#A6B0FF;
  --lav-1:#F6F5FC;
  --lav-2:#ECEAF8;
  --lav-3:#DCDAF1;
  --white:#FFFFFF;
  --muted:#5C6280;
  --muted-2:#8A90AE;
  --line:rgba(13,20,60,.10);
  --line-2:rgba(255,255,255,.10);
  --grad-hero: radial-gradient(120% 80% at 80% 10%, #E9E6FA 0%, #F4F2FC 35%, #F8F7FE 60%, #FFFFFF 100%);
  --grad-cta: linear-gradient(105deg, #7986FF 0%, #8E78FF 50%, #B6A1FF 100%);
  --shadow-sm: 0 1px 2px rgba(15,20,60,.04), 0 2px 8px rgba(15,20,60,.05);
  --shadow-md: 0 8px 30px rgba(15,20,60,.08), 0 1px 2px rgba(15,20,60,.04);
  --shadow-lg: 0 30px 80px rgba(15,20,60,.18), 0 8px 24px rgba(15,20,60,.08);
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{background:#FBFAFD;color:var(--ink);font-family:"DM Sans","IBM Plex Sans Thai",system-ui,sans-serif;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}
:lang(th),.th{font-family:"Prompt","IBM Plex Sans Thai",sans-serif}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
::selection{background:#5C6BFF;color:#fff}

/* ============================================================
   NAV
   ============================================================ */
.nav{position:fixed;top:0;left:0;right:0;z-index:50;backdrop-filter:saturate(140%) blur(14px);-webkit-backdrop-filter:saturate(140%) blur(14px);background:rgba(251,250,253,.72);border-bottom:1px solid transparent;transition:.3s}
.nav.scrolled{background:rgba(251,250,253,.92);border-bottom-color:var(--line)}
.nav-inner{max-width:1320px;margin:0 auto;padding:18px 40px;display:flex;align-items:center;justify-content:space-between;gap:32px}
.brand{display:flex;align-items:baseline;gap:6px;font-family:"Space Grotesk";font-weight:700;font-size:18px;letter-spacing:.04em;color:var(--ink)}
.brand .ai{color:var(--indigo);font-weight:700}
.brand .dot{width:6px;height:6px;border-radius:50%;background:var(--indigo);margin-left:6px;box-shadow:0 0 0 4px rgba(92,107,255,.12);align-self:center;position:relative;top:-1px}
.nav-links{display:flex;gap:36px;font-family:"Space Grotesk";font-size:12px;letter-spacing:.18em;font-weight:500;color:#23274E}
.nav-links a{position:relative;padding:6px 0;transition:.2s}
.nav-links a:hover, .nav-links a.active{color:var(--indigo)}
.nav-links a::after{content:"";position:absolute;left:50%;bottom:0;width:0;height:1.5px;background:var(--indigo);transition:.25s;transform:translateX(-50%)}
.nav-links a:hover::after, .nav-links a.active::after{width:100%}
.nav-cta{display:flex;align-items:center;gap:10px;padding:14px 22px;background:var(--ink);color:#fff;border-radius:999px;font-family:"Space Grotesk";font-size:12px;letter-spacing:.18em;font-weight:600;transition:.25s;position:relative;overflow:hidden}
.nav-cta::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,var(--indigo),#9CA6FF);opacity:0;transition:.3s}
.nav-cta span,.nav-cta .arr{position:relative;z-index:1}
.nav-cta:hover::before{opacity:1}
.nav-cta .arr{width:24px;height:24px;border-radius:50%;background:var(--indigo);display:grid;place-items:center;transition:.25s}
.nav-cta:hover .arr{background:#fff;color:var(--ink)}
.nav-cta .arr svg{width:10px;height:10px;stroke:#fff;transition:.25s}
.nav-cta:hover .arr svg{stroke:var(--ink)}

/* Hamburger */
.menu-btn{display:none;width:44px;height:44px;border-radius:50%;background:var(--ink);color:#fff;align-items:center;justify-content:center;position:relative;z-index:60}
.menu-btn span{position:absolute;left:13px;right:13px;height:1.6px;background:#fff;border-radius:2px;transition:.3s}
.menu-btn span:nth-child(1){top:16px}
.menu-btn span:nth-child(2){top:22px}
.menu-btn span:nth-child(3){top:28px}
body.menu-open .menu-btn span:nth-child(1){transform:translateY(6px) rotate(45deg)}
body.menu-open .menu-btn span:nth-child(2){opacity:0}
body.menu-open .menu-btn span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

.mobile-drawer{position:fixed;inset:0;background:#0A0F2C;color:#fff;z-index:55;display:flex;flex-direction:column;justify-content:center;padding:80px 36px 40px;transform:translateY(-100%);transition:transform .5s cubic-bezier(.7,0,.2,1);visibility:hidden}
body.menu-open .mobile-drawer{transform:translateY(0);visibility:visible}
.mobile-drawer::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:48px 48px;mask-image:radial-gradient(circle at 50% 50%, black 0%, transparent 75%);pointer-events:none;opacity:.6}
.mobile-drawer nav{display:flex;flex-direction:column;gap:20px;position:relative}
.mobile-drawer nav a{font-family:"Space Grotesk";font-size:32px;font-weight:500;color:#fff;letter-spacing:-.01em;transition:.2s}
.mobile-drawer nav a:hover{color:var(--indigo-2);transform:translateX(6px)}
.mobile-drawer .small{margin-top:36px;display:flex;flex-direction:column;gap:8px;font-size:14px;color:#8A90AE;position:relative}
.mobile-drawer .small a{color:#8A90AE}
.mobile-drawer .small a:hover{color:#fff}

/* ============================================================
   BUTTONS / SHARED
   ============================================================ */
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-family:"Space Grotesk";font-size:11px;letter-spacing:.32em;color:var(--indigo);font-weight:600;margin-bottom:28px;text-transform:uppercase}
.eyebrow .pulse{width:8px;height:8px;border-radius:50%;background:var(--indigo);position:relative;box-shadow:0 0 0 0 rgba(92,107,255,.6);animation:pulse 2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(92,107,255,.5)}70%{box-shadow:0 0 0 12px rgba(92,107,255,0)}100%{box-shadow:0 0 0 0 rgba(92,107,255,0)}}

.btn-primary{display:inline-flex;align-items:center;gap:14px;padding:18px 26px 18px 30px;background:var(--ink);color:#fff;border-radius:999px;font-family:"Space Grotesk";font-size:12px;letter-spacing:.18em;font-weight:600;transition:.3s;position:relative;overflow:hidden;border:0;cursor:pointer}
.btn-primary::before{content:"";position:absolute;inset:0;background:linear-gradient(105deg,#5C6BFF,#8B95FF);opacity:0;transition:.3s}
.btn-primary > *{position:relative;z-index:1}
.btn-primary:hover::before{opacity:1}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(92,107,255,.4)}
.btn-primary .arr{width:28px;height:28px;border-radius:50%;background:var(--indigo);display:grid;place-items:center;transition:.3s}
.btn-primary:hover .arr{background:#fff;transform:translateX(4px)}
.btn-primary:hover .arr svg{stroke:var(--ink)}
.btn-primary .arr svg{width:12px;height:12px;stroke:#fff;stroke-width:2;fill:none;transition:.2s}
.btn-text{display:inline-flex;align-items:center;gap:14px;padding:12px 6px;font-family:"Space Grotesk";font-size:12px;letter-spacing:.18em;font-weight:600;color:var(--ink);transition:.2s}
.btn-text:hover{color:var(--indigo)}
.btn-text .arr{width:28px;height:28px;border-radius:50%;background:var(--indigo);display:grid;place-items:center;transition:.25s}
.btn-text:hover .arr{transform:translateX(4px) scale(1.08)}
.btn-text .arr svg{width:11px;height:11px;stroke:#fff;stroke-width:2;fill:none}
.btn-white{align-self:flex-start;display:inline-flex;align-items:center;gap:14px;padding:16px 22px 16px 28px;background:#fff;color:var(--ink);border-radius:999px;font-family:"Space Grotesk";font-size:12px;letter-spacing:.18em;font-weight:600;transition:.3s;box-shadow:0 12px 28px rgba(0,0,0,.18)}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 20px 40px rgba(0,0,0,.25)}
.btn-white .arr{width:26px;height:26px;border-radius:50%;background:var(--indigo);display:grid;place-items:center}
.btn-white .arr svg{width:11px;height:11px;stroke:#fff;stroke-width:2;fill:none}

.hero-rule{width:64px;height:2px;background:var(--ink);margin:28px 0 28px;position:relative}
.hero-rule::after{content:"";position:absolute;left:0;top:0;height:100%;width:24px;background:var(--indigo)}

/* ============================================================
   HERO (HOME)
   ============================================================ */
.hero{position:relative;padding:140px 40px 80px;background:var(--grad-hero);overflow:hidden}
.hero-inner{max-width:1320px;margin:0 auto;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:60px;align-items:center;min-height:80vh}
h1.hero-h{font-family:"Prompt";font-weight:600;font-size:clamp(56px,7vw,108px);line-height:.96;letter-spacing:-.02em;color:var(--ink);margin-bottom:8px}
h1.hero-h .accent{color:var(--indigo);font-weight:600;background:linear-gradient(180deg,#5C6BFF 0%,#8B95FF 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;position:relative}
h1.hero-h .accent::after{content:".";color:var(--indigo);-webkit-text-fill-color:var(--indigo)}
.hero-sub{font-size:15px;line-height:1.7;color:var(--muted);max-width:430px;margin-bottom:40px}
.hero-sub strong{color:var(--ink);font-weight:600}
.btn-row{display:flex;align-items:center;gap:18px;flex-wrap:wrap}

.hero-visual{position:relative;aspect-ratio:1/1;width:100%}
.swoop{position:absolute;inset:-2% -2%;pointer-events:none}
.hero-photo-wrap{position:absolute;inset:6%;border-radius:50%;overflow:hidden;clip-path:ellipse(48% 50% at 50% 50%);box-shadow:inset 0 0 0 1px rgba(92,107,255,.12);transform:rotate(-8deg)}
.hero-photo{width:100%;height:100%;object-fit:cover;transform:rotate(8deg) scale(1.15);filter:saturate(.85) brightness(1.05) hue-rotate(-6deg)}
.hero-photo-tint{position:absolute;inset:6%;border-radius:50%;clip-path:ellipse(48% 50% at 50% 50%);background:linear-gradient(180deg, rgba(167,178,255,.18), rgba(245,243,255,.45));mix-blend-mode:soft-light;transform:rotate(-8deg);pointer-events:none}
.hero-grid-bg{position:absolute;inset:0;background-image:linear-gradient(rgba(92,107,255,.06) 1px, transparent 1px),linear-gradient(90deg,rgba(92,107,255,.06) 1px, transparent 1px);background-size:48px 48px;mask-image:radial-gradient(circle at 50% 50%, black 30%, transparent 75%);-webkit-mask-image:radial-gradient(circle at 50% 50%, black 30%, transparent 75%);opacity:.6}
.hero-orb{position:absolute;border-radius:50%;background:radial-gradient(circle at 30% 30%, #fff, #C9CFFF 40%, #6B7BFF 100%);box-shadow:0 30px 80px rgba(92,107,255,.35), inset -10px -20px 40px rgba(40,50,140,.4);opacity:.95}
.hero-orb.o1{width:80px;height:80px;top:8%;right:12%;animation:float 8s ease-in-out infinite}
.hero-orb.o2{width:24px;height:24px;bottom:14%;left:8%;animation:float 6s ease-in-out infinite reverse}
.hero-orb.o3{width:14px;height:14px;top:38%;right:-2%;animation:float 7s ease-in-out infinite}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-18px)}}

.hero-meta{position:relative;display:flex;justify-content:space-between;align-items:end;gap:24px;max-width:1320px;margin:60px auto 0;padding-top:30px;border-top:1px solid var(--line);flex-wrap:wrap}
.hero-loc{display:flex;align-items:center;gap:14px;font-family:"Space Grotesk";font-size:11px;letter-spacing:.22em;color:var(--ink-2);font-weight:600;text-transform:uppercase}
.hero-loc .ring{width:18px;height:18px;border-radius:50%;border:2px solid var(--indigo);display:grid;place-items:center}
.hero-loc .ring::after{content:"";width:6px;height:6px;background:var(--indigo);border-radius:50%}
.hero-counter{display:flex;align-items:center;gap:16px;font-family:"Space Mono";font-size:13px;color:var(--ink-2);letter-spacing:.06em}
.hero-counter .track{width:140px;height:1px;background:var(--lav-3);position:relative}
.hero-counter .track::after{content:"";position:absolute;left:0;top:-1px;width:32px;height:3px;background:var(--indigo);border-radius:2px}
.hero-counter .dim{color:var(--muted-2)}
.scroll-explore{position:absolute;right:36px;top:50%;transform:translateY(-50%) rotate(180deg);writing-mode:vertical-rl;font-family:"Space Grotesk";font-size:10px;letter-spacing:.36em;color:var(--ink-2);font-weight:600}
.scroll-explore .line{display:inline-block;width:1px;height:80px;background:linear-gradient(180deg, var(--ink), transparent);margin-top:14px}
.scroll-explore .dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--ink);margin-top:8px;transform:rotate(180deg)}

/* ============================================================
   DARK SECTION (Services)
   ============================================================ */
.dark-sec{position:relative;background:linear-gradient(180deg,#0A1132 0%, #0B1238 100%);color:#fff;padding:120px 40px;overflow:hidden}
.dark-sec::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px, transparent 1px);background-size:60px 60px;mask-image:radial-gradient(circle at 20% 30%, black 0%, transparent 70%);-webkit-mask-image:radial-gradient(circle at 20% 30%, black 0%, transparent 70%)}
.dark-sec::after{content:"";position:absolute;width:60%;aspect-ratio:1;right:-10%;top:-20%;background:radial-gradient(circle, rgba(92,107,255,.22), transparent 60%);filter:blur(40px)}
.dark-inner{position:relative;max-width:1320px;margin:0 auto;display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:60px}
.dark-head .eyebrow{color:var(--indigo-2)}
.dark-head h2{font-family:"Space Grotesk";font-weight:500;font-size:clamp(36px,4.4vw,68px);line-height:1.02;letter-spacing:-.02em;margin-bottom:28px;display:flex;flex-wrap:wrap;align-items:baseline;gap:20px}
.dark-head h2 .x{color:var(--indigo-2);font-weight:300;font-size:.85em}
.dark-head p{color:#B7BCD9;font-size:16px;line-height:1.7;max-width:560px;margin-bottom:80px}
.services{grid-column:1/-1;display:grid;grid-template-columns:repeat(4,1fr);gap:36px;margin-top:20px}
.svc{position:relative;padding-top:6px}
.svc .icn{width:48px;height:48px;display:grid;place-items:center;margin-bottom:32px;color:#fff}
.svc h3{font-family:"Space Grotesk";font-weight:600;font-size:16px;letter-spacing:.06em;margin-bottom:16px;line-height:1.3}
.svc p{color:#9DA4C5;font-size:13.5px;line-height:1.65;padding-right:10px}
.svc::after{content:"";position:absolute;left:-18px;top:0;bottom:0;width:1px;background:rgba(255,255,255,.07)}
.svc:first-child::after{display:none}
.svc .more{position:absolute;left:0;bottom:-24px;width:44px;height:2px;background:linear-gradient(90deg,var(--indigo-2),transparent);transition:.3s}
.svc:hover .more{width:80px;background:linear-gradient(90deg,var(--indigo-2),#fff)}

.crystal{position:absolute;right:-40px;top:60px;width:520px;height:520px;pointer-events:none}
.crystal svg{width:100%;height:100%;filter:drop-shadow(0 30px 60px rgba(92,107,255,.4))}

/* ============================================================
   WORKS
   ============================================================ */
.works{padding:120px 40px 100px;position:relative;background:#FBFAFD}
.works-head{max-width:1320px;margin:0 auto 56px;display:grid;grid-template-columns:1.2fr 2fr;gap:60px;align-items:end}
.works-head h2{font-family:"Prompt";font-weight:500;font-size:clamp(36px,3.6vw,54px);line-height:1.05;letter-spacing:-.02em;color:var(--ink)}
.works-head h2 em{font-style:normal;color:var(--indigo);font-weight:500}
.works-side{display:flex;flex-direction:column;align-items:flex-end;gap:24px}
.arrows{display:flex;gap:10px}
.arr-btn{width:48px;height:48px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;background:#fff;transition:.25s;color:var(--ink)}
.arr-btn:hover{background:var(--indigo);color:#fff;border-color:var(--indigo);transform:translateY(-2px)}
.arr-btn svg{width:14px;height:14px;stroke:currentColor;stroke-width:2;fill:none}

.gallery{margin:0 -40px;padding:0 40px 30px;display:flex;gap:24px;overflow-x:auto;scroll-snap-type:x mandatory;scroll-padding:40px;scrollbar-width:none}
.gallery::-webkit-scrollbar{display:none}
.gallery::before{content:"";flex:0 0 max(40px,calc((100vw - 1320px)/2));min-width:40px}
.gallery::after{content:"";flex:0 0 40px}
.card{flex:0 0 320px;scroll-snap-align:start;display:flex;flex-direction:column;gap:18px;background:#fff;border-radius:20px;padding:14px 14px 22px;box-shadow:var(--shadow-sm);transition:.35s cubic-bezier(.2,.7,.2,1)}
.card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg)}
.card .ph{aspect-ratio:4/5;overflow:hidden;border-radius:14px;position:relative}
.card .ph img{width:100%;height:100%;object-fit:cover;transition:.7s cubic-bezier(.2,.7,.2,1)}
.card:hover .ph img{transform:scale(1.06)}
.card .ph .badge{position:absolute;left:14px;bottom:14px;display:inline-flex;align-items:center;gap:6px;padding:6px 12px;background:rgba(255,255,255,.85);backdrop-filter:blur(8px);border-radius:999px;font-family:"Space Grotesk";font-size:10px;letter-spacing:.16em;font-weight:600;color:var(--ink);text-transform:uppercase}
.card .ph .badge .d{width:5px;height:5px;background:var(--indigo);border-radius:50%}
.card-body{padding:0 6px}
.card-body h3{font-family:"Space Grotesk";font-weight:600;font-size:15px;letter-spacing:.06em;color:var(--ink);margin-bottom:14px}
.card-tags{display:flex;justify-content:space-between;font-family:"Space Grotesk";font-size:11px;letter-spacing:.1em;color:var(--muted-2);text-transform:capitalize;gap:12px}
.card-tags span:first-child{color:var(--ink-2);font-weight:500}

/* ============================================================
   WHY
   ============================================================ */
.why{padding:100px 40px;background:#FBFAFD;position:relative;overflow:hidden}
.why::before{content:"";position:absolute;left:-10%;top:-30%;width:60%;aspect-ratio:1;background:radial-gradient(circle,rgba(167,178,255,.18),transparent 60%);filter:blur(30px)}
.why-inner{max-width:1320px;margin:0 auto;display:grid;grid-template-columns:1fr 2.2fr;gap:80px;position:relative}
.why-head h2{font-family:"Prompt";font-weight:500;font-size:clamp(34px,3.4vw,50px);line-height:1.1;letter-spacing:-.02em;color:var(--ink)}
.why-head .hero-rule{margin-top:30px}
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px}
.feat .icn{width:56px;height:56px;border-radius:50%;background:linear-gradient(135deg,#EFEEFD,#E1E0F8);display:grid;place-items:center;margin-bottom:22px;color:var(--indigo);box-shadow:inset 0 0 0 1px rgba(92,107,255,.15), 0 8px 20px rgba(92,107,255,.12)}
.feat h3{font-family:"Space Grotesk";font-weight:600;font-size:18px;color:var(--ink);margin-bottom:14px;letter-spacing:-.005em}
.feat p{color:var(--muted);font-size:13.5px;line-height:1.65}

/* ============================================================
   CTA BANNER
   ============================================================ */
.cta-banner{margin:80px auto 80px;max-width:1320px;border-radius:28px;padding:80px 70px;background:var(--grad-cta);color:#fff;display:grid;grid-template-columns:1.3fr 1fr;align-items:center;gap:60px;position:relative;overflow:hidden}
.cta-banner::before{content:"";position:absolute;inset:0;background-image:radial-gradient(circle at 70% 50%, rgba(255,255,255,.18), transparent 50%);pointer-events:none}
.cta-banner::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px);background-size:100% 14px;mix-blend-mode:overlay;pointer-events:none;mask-image:radial-gradient(ellipse at 80% 50%, black, transparent 70%);-webkit-mask-image:radial-gradient(ellipse at 80% 50%, black, transparent 70%)}
.cta-wave{position:absolute;inset:0;pointer-events:none;opacity:.5}
.cta-l{position:relative;z-index:1}
.cta-l h2{font-family:"Prompt";font-weight:400;font-size:clamp(32px,3.6vw,56px);line-height:1.02;letter-spacing:-.01em;text-transform:none}
.cta-r{position:relative;z-index:1;display:flex;flex-direction:column;gap:24px;padding-left:48px;border-left:1px solid rgba(255,255,255,.25)}
.cta-r p{font-size:14px;line-height:1.65;opacity:.92}

/* ============================================================
   FOOTER
   ============================================================ */
footer{padding:60px 40px 40px;background:#FBFAFD}
.foot{max-width:1320px;margin:0 auto;display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr 1.2fr;gap:50px;padding-bottom:50px;border-bottom:1px solid var(--line)}
.foot .brand{font-size:20px;margin-bottom:20px}
.foot .blurb{color:var(--muted);font-size:14px;line-height:1.7;margin-bottom:26px;max-width:280px}
.socials{display:flex;gap:12px}
.socials a{width:36px;height:36px;border-radius:50%;background:#fff;border:1px solid var(--line);display:grid;place-items:center;color:var(--ink);transition:.25s}
.socials a:hover{background:var(--ink);color:#fff;border-color:var(--ink);transform:translateY(-2px)}
.socials svg{width:14px;height:14px;fill:currentColor}
.foot-col h4{font-family:"Space Grotesk";font-size:11px;letter-spacing:.22em;color:var(--muted-2);font-weight:600;margin-bottom:22px;text-transform:uppercase}
.foot-col ul{list-style:none;display:flex;flex-direction:column;gap:14px}
.foot-col li a{font-size:14px;color:var(--ink-2);transition:.2s}
.foot-col li a:hover{color:var(--indigo)}
.foot-col.contact li{font-size:14px;color:var(--ink-2);line-height:1.4}
.foot-bottom{max-width:1320px;margin:0 auto;padding-top:26px;display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--muted);gap:16px;flex-wrap:wrap}
.to-top{width:42px;height:42px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;background:#fff;transition:.25s;color:var(--ink)}
.to-top:hover{background:var(--ink);color:#fff}

/* ============================================================
   PAGE HEADER (Contact / Blog hero)
   ============================================================ */
.page-head{position:relative;padding:160px 40px 90px;background:var(--grad-hero);overflow:hidden}
.page-head::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(92,107,255,.06) 1px, transparent 1px),linear-gradient(90deg,rgba(92,107,255,.06) 1px, transparent 1px);background-size:48px 48px;mask-image:radial-gradient(ellipse at 70% 40%, black 0%, transparent 70%);-webkit-mask-image:radial-gradient(ellipse at 70% 40%, black 0%, transparent 70%);opacity:.7;pointer-events:none}
.page-head-inner{position:relative;max-width:1320px;margin:0 auto;display:grid;grid-template-columns:1.2fr 1fr;gap:80px;align-items:end}
.page-head h1{font-family:"Prompt";font-weight:600;font-size:clamp(48px,6vw,96px);line-height:.98;letter-spacing:-.02em;color:var(--ink)}
.page-head h1 .accent{color:var(--indigo);background:linear-gradient(180deg,#5C6BFF 0%,#8B95FF 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.page-head .lead{font-size:16px;line-height:1.75;color:var(--muted);max-width:440px;margin-top:8px}
.crumbs{display:flex;gap:10px;align-items:center;font-family:"Space Grotesk";font-size:11px;letter-spacing:.22em;color:var(--muted-2);text-transform:uppercase;font-weight:600;margin-bottom:36px}
.crumbs a{color:var(--muted-2);transition:.2s}
.crumbs a:hover{color:var(--indigo)}
.crumbs .sep{opacity:.4}
.crumbs .here{color:var(--ink)}

/* Decorative orb cluster for page heads */
.head-orbs{position:absolute;right:-40px;bottom:-60px;width:380px;height:380px;pointer-events:none}
.head-orbs .o{position:absolute;border-radius:50%;background:radial-gradient(circle at 30% 30%, #fff, #C9CFFF 40%, #6B7BFF 100%);box-shadow:0 30px 80px rgba(92,107,255,.3), inset -10px -20px 40px rgba(40,50,140,.4)}
.head-orbs .o1{width:160px;height:160px;top:50px;left:60px;animation:float 9s ease-in-out infinite}
.head-orbs .o2{width:60px;height:60px;top:20px;right:30px;animation:float 7s ease-in-out infinite reverse}
.head-orbs .o3{width:30px;height:30px;bottom:80px;right:140px;animation:float 6s ease-in-out infinite}
.head-orbs::before{content:"";position:absolute;inset:0;background-image:
  repeating-linear-gradient(90deg, rgba(92,107,255,.18) 0 1px, transparent 1px 80px);
  mask-image:radial-gradient(circle at 50% 50%, black 0%, transparent 65%);
  -webkit-mask-image:radial-gradient(circle at 50% 50%, black 0%, transparent 65%)}

/* ============================================================
   CONTACT PAGE
   ============================================================ */
.contact-wrap{padding:0 40px 80px;background:#FBFAFD}
.contact-inner{max-width:1320px;margin:-40px auto 0;display:grid;grid-template-columns:1.4fr 1fr;gap:40px;align-items:start;position:relative;z-index:2}
.contact-card{background:#fff;border-radius:24px;padding:48px;box-shadow:var(--shadow-md);position:relative;overflow:hidden}
.contact-card::before{content:"";position:absolute;top:-2px;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--indigo),#9CA6FF,var(--indigo))}
.contact-card h2{font-family:"Prompt";font-weight:500;font-size:30px;letter-spacing:-.01em;color:var(--ink);margin-bottom:6px}
.contact-card .sub{color:var(--muted);font-size:14.5px;line-height:1.7;margin-bottom:32px;max-width:520px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.form-grid .full{grid-column:1/-1}
.field{display:flex;flex-direction:column;gap:8px}
.field label{font-family:"Space Grotesk";font-size:11px;letter-spacing:.22em;font-weight:600;color:var(--muted-2);text-transform:uppercase}
.field label .req{color:var(--indigo);margin-left:4px}
.field input, .field textarea, .field select{font:inherit;font-size:14.5px;color:var(--ink);background:#FAFAFE;border:1px solid var(--line);border-radius:12px;padding:14px 16px;transition:.2s;font-family:"DM Sans","IBM Plex Sans Thai",sans-serif}
.field textarea{resize:vertical;min-height:140px;line-height:1.6}
.field input:focus, .field textarea:focus, .field select:focus{outline:0;border-color:var(--indigo);background:#fff;box-shadow:0 0 0 4px rgba(92,107,255,.12)}
.field input::placeholder, .field textarea::placeholder{color:var(--muted-2)}
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{position:relative}
.chip input{position:absolute;opacity:0;pointer-events:none}
.chip span{display:inline-flex;padding:10px 16px;border-radius:999px;border:1px solid var(--line);background:#fff;font-size:13px;color:var(--ink-2);cursor:pointer;transition:.2s;letter-spacing:.02em}
.chip input:checked + span{background:var(--ink);color:#fff;border-color:var(--ink)}
.chip span:hover{border-color:var(--indigo);color:var(--indigo)}
.chip input:checked + span:hover{color:#fff}
.form-actions{display:flex;justify-content:space-between;align-items:center;gap:24px;margin-top:36px;flex-wrap:wrap}
.privacy{font-size:12.5px;color:var(--muted);line-height:1.5;max-width:380px}
.privacy a{color:var(--indigo);text-decoration:underline;text-underline-offset:3px}

.contact-side{display:flex;flex-direction:column;gap:18px;position:sticky;top:100px}
.info-card{background:#fff;border-radius:20px;padding:28px;box-shadow:var(--shadow-sm);transition:.25s;border:1px solid var(--line)}
.info-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:transparent}
.info-card .icn{width:42px;height:42px;border-radius:12px;background:linear-gradient(135deg,#EFEEFD,#E1E0F8);display:grid;place-items:center;color:var(--indigo);margin-bottom:18px;box-shadow:inset 0 0 0 1px rgba(92,107,255,.15)}
.info-card h4{font-family:"Space Grotesk";font-size:12px;letter-spacing:.2em;color:var(--muted-2);font-weight:600;margin-bottom:8px;text-transform:uppercase}
.info-card .val{font-size:17px;color:var(--ink);font-weight:500;line-height:1.5}
.info-card .val a{transition:.2s}
.info-card .val a:hover{color:var(--indigo)}
.info-card .meta{font-size:13px;color:var(--muted);margin-top:8px;line-height:1.55}

.dark-card{background:linear-gradient(135deg,#0A1132 0%,#1B2566 100%);color:#fff;border-radius:20px;padding:28px;position:relative;overflow:hidden;border:1px solid #1B2566}
.dark-card::before{content:"";position:absolute;width:200px;height:200px;border-radius:50%;background:radial-gradient(circle,rgba(124,138,255,.4),transparent 70%);top:-80px;right:-80px}
.dark-card h4{color:var(--indigo-3)}
.dark-card .val{color:#fff;position:relative}
.dark-card .meta{color:#9DA4C5;position:relative}
.dark-card .icn{background:rgba(255,255,255,.08);color:#fff;box-shadow:inset 0 0 0 1px rgba(255,255,255,.12);position:relative}

/* ============================================================
   BLOG PAGE
   ============================================================ */
.blog-wrap{padding:60px 40px 80px;background:#FBFAFD}
.blog-inner{max-width:1320px;margin:0 auto}
.blog-toolbar{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:48px;flex-wrap:wrap}
.blog-toolbar h2{font-family:"Prompt";font-weight:500;font-size:clamp(28px,3vw,40px);letter-spacing:-.01em;color:var(--ink)}
.cats{display:flex;flex-wrap:wrap;gap:8px}
.cat{padding:10px 16px;border-radius:999px;border:1px solid var(--line);background:#fff;font-family:"Space Grotesk";font-size:11px;letter-spacing:.16em;font-weight:600;color:var(--ink-2);transition:.2s;text-transform:uppercase}
.cat:hover{border-color:var(--indigo);color:var(--indigo)}
.cat.active{background:var(--ink);color:#fff;border-color:var(--ink)}

.featured{display:grid;grid-template-columns:1.2fr 1fr;gap:40px;align-items:center;background:#fff;border-radius:24px;overflow:hidden;box-shadow:var(--shadow-md);margin-bottom:60px;border:1px solid var(--line)}
.featured .img{aspect-ratio:5/4;position:relative;overflow:hidden}
.featured .img img{width:100%;height:100%;object-fit:cover;transition:.6s}
.featured:hover .img img{transform:scale(1.04)}
.featured .img::after{content:"FEATURED";position:absolute;top:24px;left:24px;padding:8px 14px;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-radius:999px;font-family:"Space Grotesk";font-size:10px;letter-spacing:.22em;font-weight:700;color:var(--ink)}
.featured .body{padding:40px}
.featured .meta{display:flex;gap:12px;font-family:"Space Grotesk";font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--indigo);font-weight:600;margin-bottom:20px}
.featured .meta .sep{color:var(--muted-2);font-weight:400}
.featured h3{font-family:"Prompt";font-weight:500;font-size:clamp(24px,2.4vw,34px);line-height:1.15;letter-spacing:-.01em;color:var(--ink);margin-bottom:18px}
.featured .excerpt{color:var(--muted);line-height:1.7;font-size:15px;margin-bottom:26px}

.posts-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.post{display:flex;flex-direction:column;gap:18px;background:#fff;border-radius:18px;padding:14px;box-shadow:var(--shadow-sm);transition:.3s;border:1px solid transparent}
.post:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:rgba(92,107,255,.18)}
.post .img{aspect-ratio:5/4;border-radius:12px;overflow:hidden;background:linear-gradient(135deg,#E9E6FA,#C8D0FF);position:relative}
.post .img img{width:100%;height:100%;object-fit:cover;transition:.6s}
.post:hover .img img{transform:scale(1.06)}
.post .body{padding:0 8px 16px}
.post .meta{display:flex;gap:10px;font-family:"Space Grotesk";font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--indigo);font-weight:600;margin-bottom:12px}
.post .meta .sep{color:var(--muted-2);font-weight:400}
.post h3{font-family:"Prompt";font-weight:500;font-size:19px;line-height:1.3;color:var(--ink);margin-bottom:10px;letter-spacing:-.005em}
.post .excerpt{color:var(--muted);font-size:13.5px;line-height:1.65;margin-bottom:14px}
.post .read{font-family:"Space Grotesk";font-size:11px;letter-spacing:.18em;font-weight:600;color:var(--ink);display:inline-flex;align-items:center;gap:8px;transition:.2s}
.post:hover .read{color:var(--indigo);gap:12px}

.pagination{display:flex;justify-content:center;align-items:center;gap:8px;margin-top:60px}
.pagination button, .pagination a{width:42px;height:42px;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--ink);font-family:"Space Grotesk";font-weight:600;font-size:13px;display:grid;place-items:center;transition:.2s}
.pagination button:hover, .pagination a:hover{border-color:var(--indigo);color:var(--indigo)}
.pagination .current{background:var(--ink);color:#fff;border-color:var(--ink)}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1100px){
  .nav-links{gap:24px}
  .nav-links a{font-size:11px}
  .hero{padding:130px 30px 60px}
  .hero-inner{gap:40px}
  .dark-sec, .works, .why, .blog-wrap, .contact-wrap, .page-head{padding-left:30px;padding-right:30px}
  .cta-banner{margin-left:30px;margin-right:30px}
  .dark-inner{grid-template-columns:1fr}
  .crystal{position:absolute;right:-80px;top:-20px;width:380px;height:380px;opacity:.7}
  .services{margin-top:40px}
  .featured{grid-template-columns:1fr}
  .featured .img{aspect-ratio:16/9}
  .contact-inner{grid-template-columns:1fr;margin-top:-30px}
  .contact-side{position:static;flex-direction:row;flex-wrap:wrap}
  .contact-side > *{flex:1 1 240px}
  .why-inner{grid-template-columns:1fr;gap:50px}
  .why-grid{grid-template-columns:repeat(2,1fr)}
  .page-head-inner{grid-template-columns:1fr;gap:32px}
  .head-orbs{right:-100px;width:280px;height:280px;opacity:.6}
  .posts-grid{grid-template-columns:repeat(2,1fr)}
  .foot{grid-template-columns:1.4fr 1fr 1fr;row-gap:40px}
  .foot .brand-col{grid-column:1/-1}
  .foot-col:last-child{grid-column:span 1}
}

@media (max-width: 820px){
  .nav-links{display:none}
  .nav-cta{display:none}
  .menu-btn{display:flex}
  .nav-inner{padding:14px 20px}
  .hero{padding:110px 20px 50px}
  .hero-inner{grid-template-columns:1fr;gap:32px;min-height:auto}
  .hero-visual{order:2;max-width:480px;margin:0 auto;width:100%}
  h1.hero-h{font-size:clamp(48px,12vw,72px)}
  .hero-meta{margin:36px 0 0;padding:24px 0 0;gap:18px}
  .hero-counter .track{width:100px}
  .scroll-explore{display:none}
  .dark-sec{padding:80px 20px}
  .dark-inner{gap:30px}
  .dark-head h2{gap:12px}
  .dark-head h2 .x{font-size:.7em}
  .dark-head p{margin-bottom:30px}
  .services{grid-template-columns:1fr 1fr;gap:30px 24px}
  .svc::after{display:none}
  .svc{padding:24px 0}
  .crystal{width:240px;height:240px;right:-40px;top:-10px;opacity:.45}
  .works{padding:70px 20px}
  .works-head{grid-template-columns:1fr;gap:24px;align-items:start;margin-bottom:34px}
  .works-side{align-items:flex-start;flex-direction:row;justify-content:space-between;width:100%}
  .gallery{margin:0 -20px;padding:0 20px 20px}
  .gallery::before{flex:0 0 20px;min-width:20px}
  .gallery::after{flex:0 0 20px}
  .card{flex:0 0 78%}
  .why{padding:70px 20px}
  .why-grid{grid-template-columns:1fr;gap:0}
  .feat{padding:24px 0;border-top:1px solid var(--line);display:grid;grid-template-columns:auto 1fr;column-gap:20px;row-gap:6px;align-items:start}
  .feat .icn{margin-bottom:0;grid-row:span 2}
  .feat h3{align-self:end;margin-bottom:6px}
  .feat p{grid-column:2}
  .cta-banner{margin:40px 20px;padding:48px 28px;grid-template-columns:1fr;gap:24px;border-radius:20px}
  .cta-r{padding-left:0;border-left:0;border-top:1px solid rgba(255,255,255,.25);padding-top:24px}
  footer{padding:50px 20px 30px}
  .foot{grid-template-columns:1fr 1fr;gap:32px;padding-bottom:36px}
  .foot .brand-col{grid-column:1/-1}
  .foot-bottom{flex-direction:column;align-items:flex-start;gap:14px}
  /* Page head */
  .page-head{padding:120px 20px 70px}
  .page-head h1{font-size:clamp(40px,11vw,64px)}
  .head-orbs{position:relative;right:auto;bottom:auto;width:160px;height:160px;margin:-10px 0 -40px auto}
  /* Contact */
  .contact-wrap{padding:0 20px 60px}
  .contact-card{padding:30px 24px;border-radius:18px}
  .contact-card h2{font-size:24px}
  .form-grid{grid-template-columns:1fr;gap:18px}
  .form-actions{margin-top:24px}
  .contact-side{flex-direction:column}
  /* Blog */
  .blog-wrap{padding:50px 20px 60px}
  .featured .body{padding:28px 24px 32px}
  .posts-grid{grid-template-columns:1fr;gap:20px}
  .blog-toolbar{margin-bottom:32px}
}

@media (max-width: 480px){
  .services{grid-template-columns:1fr;gap:0}
  .svc{padding:24px 0;border-top:1px solid rgba(255,255,255,.08)}
  .svc:first-child{border-top:0;padding-top:0}
  .btn-row{gap:10px}
  .btn-primary{padding:16px 20px 16px 24px;font-size:11px}
  .btn-text{font-size:11px}
  h1.hero-h{font-size:48px}
  .nav-inner{padding:12px 16px}
  .brand{font-size:16px}
  .menu-btn{width:40px;height:40px}
  .menu-btn span{left:11px;right:11px}
  .menu-btn span:nth-child(1){top:14px}
  .menu-btn span:nth-child(2){top:20px}
  .menu-btn span:nth-child(3){top:26px}
  .mobile-drawer{padding:80px 24px 32px}
  .mobile-drawer nav a{font-size:26px}
  .contact-card{padding:24px 20px}
  .chips{gap:8px}
  .chip span{padding:9px 14px;font-size:12.5px}
}