/* =====================================================================
   Ultima Hair Center — front-end theme (premium teal + gold)
   ===================================================================== */
:root{
  --teal-900:#0c3f49; --teal-800:#12525f; --teal-700:#166273; --teal:#1e7a8c;
  --teal-400:#3a9bad; --teal-200:#bfe0e6; --teal-50:#eef7f9;
  --gold-700:#a67c34; --gold:#c6a15b; --gold-300:#e0c48b; --gold-50:#faf5ea;
  --ink:#1a2b30; --body:#3d5259; --muted:#6d858c; --line:#e6eef0;
  --bg:#ffffff; --bg-soft:#f5fafb; --white:#fff;
  --shadow-sm:0 2px 10px rgba(18,82,95,.06);
  --shadow:0 12px 40px rgba(18,82,95,.10);
  --shadow-lg:0 24px 70px rgba(18,82,95,.16);
  --r:18px; --r-lg:26px; --maxw:1200px;
  --ease:cubic-bezier(.22,1,.36,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:'Sarabun',system-ui,sans-serif;color:var(--body);background:var(--bg);line-height:1.7;overflow-x:hidden;position:relative}
/* พื้นหลังริ้ว ripple teal จาง ๆ บนขาว (fixed ทั้งหน้า) */
body::before{content:'';position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(1100px 1100px at 90% -10%, rgba(30,122,140,.09), transparent 55%),
    radial-gradient(1000px 1000px at -8% 40%, rgba(58,155,173,.08), transparent 55%),
    radial-gradient(900px 900px at 105% 88%, rgba(198,161,91,.07), transparent 55%),
    repeating-radial-gradient(circle at 12% 8%, transparent 0 78px, rgba(30,122,140,.045) 78px 80px, transparent 80px 158px),
    repeating-radial-gradient(circle at 92% 96%, transparent 0 90px, rgba(30,122,140,.04) 90px 92px, transparent 92px 182px),
    linear-gradient(180deg,#ffffff,#f4fafb);
}
h1,h2,h3,h4,.head{font-family:'Kanit',sans-serif;color:var(--ink);line-height:1.25;font-weight:600}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 clamp(16px,4vw,32px)}
.sec{padding:clamp(48px,7vw,96px) 0;position:relative}
/* section โปร่งใสให้เห็นลายพื้น · sec-soft = การ์ดขาวจาง ๆ ทับลายนิดหน่อย */
.sec-soft{background:rgba(255,255,255,.55)}

/* ------- section heading ------- */
.sec-head{text-align:center;max-width:720px;margin:0 auto clamp(32px,5vw,56px)}
.sec-head .eyebrow{display:inline-block;font-family:'Kanit';font-weight:600;font-size:13px;letter-spacing:2px;
  text-transform:uppercase;color:var(--gold-700);background:var(--gold-50);padding:6px 16px;border-radius:99px;margin-bottom:16px}
.sec-head h2{font-size:clamp(26px,4vw,40px);color:var(--teal-800)}
.sec-head h2 .g{color:var(--gold-700)}
.sec-head p{margin-top:14px;color:var(--muted);font-size:clamp(15px,1.6vw,17px)}
.sec-head .rule{width:64px;height:4px;border-radius:4px;background:linear-gradient(90deg,var(--teal),var(--gold));margin:18px auto 0}

/* ------- buttons ------- */
.btn{display:inline-flex;align-items:center;gap:9px;font-family:'Kanit';font-weight:600;font-size:15px;
  padding:13px 28px;border-radius:99px;border:0;cursor:pointer;transition:.3s var(--ease);white-space:nowrap}
.btn-gold{background:linear-gradient(135deg,var(--gold-300),var(--gold));color:#4a3410;box-shadow:0 8px 24px rgba(198,161,91,.35)}
.btn-gold:hover{transform:translateY(-3px);box-shadow:0 14px 34px rgba(198,161,91,.5)}
.btn-teal{background:linear-gradient(135deg,var(--teal),var(--teal-700));color:#fff;box-shadow:0 8px 24px rgba(30,122,140,.32)}
.btn-teal:hover{transform:translateY(-3px);box-shadow:0 14px 34px rgba(30,122,140,.45)}
.btn-ghost{background:rgba(255,255,255,.14);color:#fff;border:1.5px solid rgba(255,255,255,.5);backdrop-filter:blur(4px)}
.btn-ghost:hover{background:rgba(255,255,255,.24);transform:translateY(-3px)}
.btn-outline{background:transparent;color:var(--teal-800);border:1.5px solid var(--teal-200)}
.btn-outline:hover{background:var(--teal-50);border-color:var(--teal);transform:translateY(-3px)}

/* =========== STICKY HEADER (2 ชั้น ค้างทั้งคู่) =========== */
.site-header{position:sticky;top:0;z-index:1000;transition:box-shadow .3s var(--ease)}
.site-header.scrolled{box-shadow:0 10px 40px rgba(12,63,73,.28)}

/* --- แถวที่ 1 : topbar (สูงขึ้น + ข้อความใหญ่) --- */
.topbar{background:linear-gradient(100deg,var(--teal-900),var(--teal-700) 55%,var(--teal));color:#fff;
  border-bottom:1px solid rgba(224,196,139,.28)}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;min-height:92px;gap:16px;flex-wrap:wrap}
.topbar-l{font-family:'Kanit';font-weight:600;letter-spacing:.6px;font-size:23px;
  display:flex;align-items:center;gap:12px}
.topbar-l::before{content:'';width:6px;height:30px;border-radius:6px;background:linear-gradient(180deg,var(--gold-300),var(--gold));flex:0 0 auto}
.topbar-r{display:flex;align-items:center;gap:20px}
.topbar-call{display:flex;align-items:center;gap:11px;font-family:'Kanit'}
.topbar-call .lbl{opacity:.85;font-size:15px}
.topbar-call .num{font-weight:700;font-size:21px;letter-spacing:.5px;color:#fff}
.topbar-call .ic{width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,var(--gold-300),var(--gold));color:var(--teal-900);display:grid;place-items:center;box-shadow:0 4px 14px rgba(198,161,91,.4);font-size:17px}
.topbar-soc{display:flex;gap:11px}
.topbar-soc a{width:46px;height:46px;border-radius:50%;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);display:grid;place-items:center;transition:.25s var(--ease);font-size:19px}
.topbar-soc a:hover{background:var(--gold);color:var(--teal-900);border-color:var(--gold);transform:translateY(-3px);box-shadow:0 6px 18px rgba(198,161,91,.45)}
.topbar-divider{width:1px;height:30px;background:rgba(255,255,255,.32)}

/* --- แถวที่ 2 : navbar (teal อ่อนลง + ripple) --- */
.navbar{position:relative;
  background:linear-gradient(100deg,var(--teal-700),var(--teal-400) 60%,var(--teal));}
/* ripple จาง ๆ (ตัดขอบด้วย ::before เอง) */
.navbar::before{content:'';position:absolute;inset:0;pointer-events:none;overflow:hidden;opacity:.45;
  background-image:
    radial-gradient(circle at 12% 130%, transparent 60px, rgba(255,255,255,.08) 61px 62px, transparent 63px),
    radial-gradient(circle at 12% 130%, transparent 110px, rgba(255,255,255,.06) 111px 112px, transparent 113px),
    radial-gradient(circle at 88% -30%, transparent 70px, rgba(224,196,139,.12) 71px 73px, transparent 74px),
    radial-gradient(circle at 88% -30%, transparent 130px, rgba(224,196,139,.08) 131px 133px, transparent 134px);}
.navbar::after{content:'';position:absolute;left:0;right:0;top:0;height:2px;
  background:linear-gradient(90deg,transparent,var(--gold-300),var(--gold),var(--gold-300),transparent);opacity:.75}
.navbar .wrap{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;min-height:86px;gap:20px}

/* โลโก้ในการ์ดขาวให้เด่น (คงที่ ไม่ย่อ — กันสั่น) */
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;background:#fff;padding:9px 18px;border-radius:16px;
  box-shadow:0 8px 26px rgba(12,63,73,.3);transition:transform .25s var(--ease)}
.brand:hover{transform:translateY(-2px)}
.brand img{height:56px;width:auto;display:block}
.brand .bt{font-family:'Kanit';font-weight:700;color:var(--teal-800);font-size:22px;line-height:1;letter-spacing:1px}
.brand .bt small{display:block;font-size:10px;letter-spacing:4px;color:var(--gold-700);font-weight:500;margin-top:3px}

/* เมนูขาวเห็นชัด + ไอคอนหน้า + underline ทอง glow */
.nav-links{display:flex;align-items:center;gap:2px}
.nav-links a{font-family:'Kanit';font-weight:500;font-size:16px;color:#eaf6f8;padding:11px 15px;border-radius:99px;position:relative;transition:.25s;display:inline-flex;align-items:center;gap:7px}
.nav-links a>i:first-child{font-size:14px;opacity:.85;transition:.25s}
.nav-links a .caret{font-size:11px;opacity:.8;margin-left:-2px}
.nav-links a::after{content:'';position:absolute;left:50%;bottom:6px;width:0;height:3px;border-radius:3px;
  background:linear-gradient(90deg,var(--gold-300),var(--gold));transition:.3s var(--ease);transform:translateX(-50%);box-shadow:0 0 10px rgba(224,196,139,.8)}
.nav-links a:hover{color:#fff}
.nav-links a:hover>i:first-child{opacity:1;transform:translateY(-1px)}
.nav-links a:hover::after,.nav-links a.active::after{width:24px}
.nav-links a.active{color:#fff}
.nav-links a.active>i:first-child{color:var(--gold-300);opacity:1}

/* dropdown บริการ — แนวนอน 2 คอลัมน์ (mega) */
.nav-drop{position:relative}
.nav-drop-menu.mega{position:absolute;top:calc(100% + 14px);left:50%;transform:translateX(-50%) translateY(10px);
  display:grid;grid-template-columns:1fr 1fr;gap:4px;width:min(560px,90vw);
  background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow-lg);padding:12px;opacity:0;visibility:hidden;transition:.28s var(--ease);z-index:1200}
.nav-drop-menu.mega::before{content:'';position:absolute;top:-7px;left:50%;transform:translateX(-50%) rotate(45deg);width:14px;height:14px;background:#fff;border-left:1px solid var(--line);border-top:1px solid var(--line)}
.nav-drop:hover .nav-drop-menu.mega{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.nav-drop-menu.mega a{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:12px;font-size:14.5px;color:var(--ink);font-family:'Kanit';font-weight:500}
.nav-drop-menu.mega a::after{display:none}
.nav-drop-menu.mega a:hover{background:var(--teal-50)}
.nav-drop-menu.mega .di{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;color:#fff;flex:0 0 auto;font-size:15px;transition:.25s var(--ease)}
.nav-drop-menu.mega a:hover .di{transform:scale(1.1) rotate(-4deg)}
.di.c0{background:linear-gradient(135deg,#1e7a8c,#12525f)}
.di.c1{background:linear-gradient(135deg,#c6a15b,#a67c34)}
.di.c2{background:linear-gradient(135deg,#3a9bad,#1e7a8c)}
.di.c3{background:linear-gradient(135deg,#e0776e,#c2493a)}
.di.c4{background:linear-gradient(135deg,#8a5cf6,#6d3fd4)}
.di.c5{background:linear-gradient(135deg,#4ba373,#2f7d55)}

.nav-toggle{display:none;width:50px;height:50px;border:0;background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.3);border-radius:14px;cursor:pointer;flex-direction:column;gap:5px;align-items:center;justify-content:center}
.nav-toggle span{width:24px;height:2.5px;background:#fff;border-radius:2px;transition:.3s var(--ease)}
.nav-toggle.open span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}

/* mobile drawer */
.nav-scrim{position:fixed;inset:0;background:rgba(12,63,73,.5);backdrop-filter:blur(3px);opacity:0;visibility:hidden;transition:.3s;z-index:950}
.nav-scrim.open{opacity:1;visibility:visible}
.mobile-nav{position:fixed;top:0;right:0;width:min(84vw,340px);height:100%;background:#fff;z-index:960;
  transform:translateX(100%);transition:.4s var(--ease);padding:24px;overflow-y:auto;box-shadow:-20px 0 60px rgba(0,0,0,.2)}
.mobile-nav.open{transform:translateX(0)}
.mobile-nav .mn-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.mobile-nav .mn-close{width:42px;height:42px;border:0;background:var(--teal-50);border-radius:12px;font-size:22px;color:var(--teal-800);cursor:pointer}
.mobile-nav a{display:block;font-family:'Kanit';font-weight:500;font-size:16px;color:var(--ink);padding:14px 16px;border-radius:12px;transition:.2s}
.mobile-nav a:hover{background:var(--teal-50);color:var(--teal-800)}
.mobile-nav .mn-sub a{padding-left:32px;font-size:14.5px;color:var(--body)}
.mobile-nav .mn-call{margin-top:20px;padding-top:20px;border-top:1px solid var(--line)}

/* =========== HERO SLIDER =========== */
.hero{position:relative;z-index:1;overflow:hidden;background:var(--teal-900)}
.hero-track{display:flex;transition:transform .9s var(--ease);will-change:transform}
.hero-slide{min-width:100%;position:relative}
.hero-slide img{width:100%;height:clamp(360px,52vw,660px);object-fit:cover}
.hero-empty{height:clamp(360px,52vw,660px);display:grid;place-items:center;color:#fff;
  background:radial-gradient(circle at 30% 40%,var(--teal-700),var(--teal-900))}
.hero-dots{position:absolute;bottom:22px;left:50%;transform:translateX(-50%);display:flex;gap:10px;z-index:5}
.hero-dots button{width:11px;height:11px;border-radius:50%;border:0;background:rgba(255,255,255,.5);cursor:pointer;transition:.3s var(--ease)}
.hero-dots button.active{background:var(--gold);width:30px;border-radius:99px}
.hero-arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:5;width:52px;height:52px;border-radius:50%;
  border:0;background:rgba(255,255,255,.18);backdrop-filter:blur(6px);color:#fff;cursor:pointer;font-size:20px;transition:.28s var(--ease);display:grid;place-items:center}
.hero-arrow:hover{background:#fff;color:var(--teal-800)}
.hero-arrow.prev{left:20px}.hero-arrow.next{right:20px}
@media(max-width:640px){.hero-arrow{display:none}}

/* =========== FOOTER =========== */
.footer{background:linear-gradient(160deg,var(--teal-900),var(--teal-800));color:#cfe3e7;padding:clamp(48px,6vw,80px) 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1.2fr;gap:40px}
.footer h4{color:#fff;font-size:17px;margin-bottom:18px;position:relative;padding-bottom:12px}
.footer h4::after{content:'';position:absolute;left:0;bottom:0;width:34px;height:3px;border-radius:3px;background:var(--gold)}
.footer .fbrand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer .fbrand img{height:56px;background:#fff;border-radius:12px;padding:6px}
.footer p{font-size:14.5px;line-height:1.9;color:#a9c8ce}
.footer .fcontact{display:flex;flex-direction:column;gap:12px}
.footer .fcontact .row{display:flex;gap:12px;align-items:flex-start;font-size:14.5px}
.footer .fcontact .ic{color:var(--gold-300);flex:0 0 auto;margin-top:3px}
.footer .fsoc{display:flex;gap:10px;margin-top:18px}
.footer .fsoc a{width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.1);display:grid;place-items:center;color:#fff;transition:.25s var(--ease)}
.footer .fsoc a:hover{background:var(--gold);color:var(--teal-900);transform:translateY(-3px)}
.footer-map{border-radius:16px;overflow:hidden;min-height:180px;border:1px solid rgba(255,255,255,.12)}
.footer-map iframe{width:100%;height:100%;min-height:180px;border:0;display:block}
.footer-bottom{margin-top:48px;border-top:1px solid rgba(255,255,255,.12);padding:22px 0;text-align:center;font-size:13px;color:#8fb0b7}

/* =========== floating contact button =========== */
.float-btn{position:fixed;right:22px;bottom:22px;z-index:800;display:flex;align-items:center;gap:0;
  background:linear-gradient(135deg,var(--teal),var(--teal-700));color:#fff;border-radius:99px;
  padding:0;height:60px;box-shadow:0 10px 30px rgba(30,122,140,.45);overflow:hidden;transition:.4s var(--ease)}
.float-btn .fb-txt{max-width:0;opacity:0;white-space:nowrap;font-family:'Kanit';font-weight:500;transition:.4s var(--ease);overflow:hidden}
.float-btn:hover .fb-txt{max-width:260px;opacity:1;padding-left:20px}
.float-btn .fb-ic{width:60px;height:60px;display:grid;place-items:center;flex:0 0 auto}
.float-btn .fb-ic svg{width:26px;height:26px}
@media(max-width:640px){.float-btn{height:56px}.float-btn .fb-ic{width:56px;height:56px}}

/* =========== HOMEPAGE SECTIONS 1-4 =========== */
/* 1) อันดับ 1 */
.rank1-inner{text-align:center;max-width:860px;margin:0 auto}
.rank1-title{font-size:clamp(24px,3.6vw,38px);color:var(--teal-800);line-height:1.35}
.rank1-badge{display:inline-flex;align-items:center;gap:8px;background:linear-gradient(135deg,var(--gold-300),var(--gold));
  color:#4a3410;font-family:'Kanit';font-weight:700;padding:6px 20px;border-radius:99px;font-size:.72em;vertical-align:middle;
  box-shadow:0 8px 22px rgba(198,161,91,.4);margin-left:6px}
.rank1-desc{display:flex;flex-direction:column;gap:16px;max-width:760px;margin:0 auto}
.rank1-desc p{position:relative;background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px 22px 18px 52px;
  text-align:left;font-size:15.5px;color:var(--body);box-shadow:var(--shadow-sm)}
.rank1-desc p i{position:absolute;left:20px;top:20px;color:var(--teal);font-size:18px}

/* 2) ยกระดับ */
.uplift-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,5vw,60px);align-items:center}
.uplift-grid.no-img{grid-template-columns:1fr;max-width:820px;margin:0 auto;text-align:center}
.uplift-text h2{font-size:clamp(24px,3.6vw,38px);color:var(--teal-800);margin-top:6px}
.uplift-text h2 .g{color:var(--gold-700)}
.uplift-text p{margin-top:16px;font-size:16px;color:var(--body);line-height:1.85}
.uplift-btns{display:flex;gap:12px;margin-top:26px;flex-wrap:wrap}
.uplift-grid.no-img .uplift-btns{justify-content:center}
.uplift-img{position:relative}
.uplift-img img{width:100%;border-radius:var(--r-lg);box-shadow:var(--shadow-lg);object-fit:cover}
.uplift-img::after{content:'';position:absolute;inset:0;border-radius:var(--r-lg);box-shadow:inset 0 0 0 1px rgba(255,255,255,.4);pointer-events:none}
.uplift-img::before{content:'';position:absolute;right:-18px;bottom:-18px;width:120px;height:120px;border-radius:20px;
  background:linear-gradient(135deg,var(--gold-300),var(--gold));opacity:.25;z-index:-1}

/* 3) ใบรับรอง */
.cert-row{display:flex;flex-wrap:wrap;justify-content:center;gap:clamp(18px,3vw,40px);align-items:center}
.cert-item{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px 30px;
  box-shadow:var(--shadow-sm);transition:.3s var(--ease);display:grid;place-items:center;min-width:150px}
.cert-item:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.cert-item img{height:clamp(56px,7vw,84px);width:auto;object-fit:contain;filter:saturate(1.05)}

/* 4) โปรโมชัน — carousel เลื่อนต่อเนื่อง (marquee) */
.promo-carousel{overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 5%,#000 95%,transparent);
  mask-image:linear-gradient(90deg,transparent,#000 5%,#000 95%,transparent)}
.promo-track{display:flex;gap:24px;width:max-content;padding:8px clamp(16px,4vw,32px);animation:promoScroll 40s linear infinite}
.promo-carousel:hover .promo-track{animation-play-state:paused}
.promo-card{flex:0 0 auto;width:min(32vw,380px);border-radius:var(--r-lg);overflow:hidden;background:#fff;
  box-shadow:var(--shadow);border:1px solid var(--line);transition:.3s var(--ease)}
.promo-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.promo-card img{width:100%;aspect-ratio:1/1;object-fit:cover;display:block}
.promo-cap{padding:14px 18px;font-family:'Kanit';font-weight:600;color:var(--teal-800);font-size:15px;text-align:center}
@keyframes promoScroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}
@media(max-width:900px){.promo-card{width:min(70vw,320px)}}
@media(max-width:640px){.promo-card{width:80vw}.promo-track{animation-duration:28s}}

/* =========== motion (fade/rise on scroll) =========== */
[data-rise]{opacity:0;transform:translateY(38px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
[data-rise].in{opacity:1;transform:none}
[data-rise][data-d="1"]{transition-delay:.09s}
[data-rise][data-d="2"]{transition-delay:.18s}
[data-rise][data-d="3"]{transition-delay:.27s}
[data-rise][data-d="4"]{transition-delay:.36s}
@media(prefers-reduced-motion:reduce){[data-rise]{opacity:1;transform:none;transition:none}}

/* =========== responsive =========== */
@media(max-width:1024px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-map{grid-column:1/-1}
}
@media(max-width:900px){
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .topbar .wrap{min-height:64px}
  .topbar-l{font-size:16px}
  .topbar-l::before{height:22px}
  .topbar-call .num{font-size:18px}
  .navbar .wrap{min-height:76px}
  .brand img{height:46px}
  .uplift-grid{grid-template-columns:1fr;max-width:640px;margin:0 auto;text-align:center}
  .uplift-btns{justify-content:center}
  .uplift-img{margin-top:8px}
}
@media(max-width:640px){
  .footer-grid{grid-template-columns:1fr}
  .topbar-r{gap:12px}
  .topbar-call .lbl{display:none}
  .topbar-soc{display:none}
  .topbar-divider{display:none}
  .topbar-l{font-size:14px}
  .uplift-grid{grid-template-columns:1fr;text-align:center}
  .uplift-btns{justify-content:center}
}