/* ============ TOKENS ============ */
:root{
  --navy:#12305F;
  --blue:#1F4E9C;
  --blue-bright:#2E6FE0;
  --sky:#EAF1FB;
  --grey:#F4F6F8;
  --grey-line:#E2E7EE;
  --white:#FFFFFF;
  --ink:#152238;
  --ink-soft:#516078;
  --gold:#D9A441;
  --radius-sm:10px;
  --radius-md:16px;
  --radius-lg:26px;
  --shadow-sm:0 2px 10px rgba(18,44,90,0.06);
  --shadow-md:0 12px 32px rgba(18,44,90,0.12);
  --shadow-lg:0 24px 60px rgba(18,44,90,0.18);
  --ease:cubic-bezier(.22,.9,.32,1);
  --header-h:76px;
}
[data-theme="dark"]{
  --navy:#0B1E3D;
  --blue:#3B6FD1;
  --blue-bright:#5A8CF0;
  --sky:#132747;
  --grey:#0E1A2E;
  --grey-line:#1E2E4A;
  --white:#0B1424;
  --ink:#EAF0FB;
  --ink-soft:#9FB0C9;
  --shadow-sm:0 2px 10px rgba(0,0,0,0.35);
  --shadow-md:0 12px 32px rgba(0,0,0,0.45);
  --shadow-lg:0 24px 60px rgba(0,0,0,0.55);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:'Inter',sans-serif;
  color:var(--ink);
  background:var(--white);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  transition:background .35s var(--ease),color .35s var(--ease);
}
h1,h2,h3,h4,.brand-name{font-family:'Poppins',sans-serif;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;}
input,textarea{font-family:inherit;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}
section{position:relative;}
:focus-visible{outline:3px solid var(--blue-bright);outline-offset:3px;border-radius:4px;}

@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *{animation-duration:.001s !important;transition-duration:.001s !important;}
}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.78rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;
  color:var(--blue);margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--gold);display:inline-block;}
.section-head{max-width:640px;margin-bottom:52px;}
.section-head h2{font-size:clamp(1.8rem,3.4vw,2.6rem);font-weight:700;color:var(--navy);line-height:1.18;}
[data-theme="dark"] .section-head h2{color:var(--ink);}
.section-head p{color:var(--ink-soft);margin-top:14px;font-size:1.02rem;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:15px 30px;border-radius:100px;font-weight:600;font-size:.95rem;
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),background .28s var(--ease);
  white-space:nowrap;min-height:48px;
}
.btn-primary{
  background:linear-gradient(135deg,var(--blue-bright),var(--navy));
  color:#fff;box-shadow:0 10px 24px rgba(30,78,170,.32);
}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 16px 32px rgba(30,78,170,.4);}
.btn-ghost{
  background:rgba(255,255,255,.12);color:#fff;border:1.5px solid rgba(255,255,255,.55);
  backdrop-filter:blur(6px);
}
.btn-ghost:hover{background:rgba(255,255,255,.24);transform:translateY(-3px);}
.btn-outline{
  border:1.5px solid var(--blue);color:var(--blue);background:transparent;
}
.btn-outline:hover{background:var(--blue);color:#fff;transform:translateY(-3px);}

/* ============ REVEAL ============ */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s var(--ease),transform .7s var(--ease);}
.reveal.in{opacity:1;transform:translateY(0);}
.stagger > *{transition-delay:calc(var(--i,0) * 90ms);}

/* ============ HEADER ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:900;
  height:var(--header-h);display:flex;align-items:center;
  background:rgba(255,255,255,.86);backdrop-filter:blur(14px) saturate(160%);
  border-bottom:1px solid transparent;
  transition:background .3s var(--ease),border-color .3s var(--ease),box-shadow .3s var(--ease);
}
[data-theme="dark"] .site-header{background:rgba(11,20,36,.82);}
.site-header.scrolled{border-bottom-color:var(--grey-line);box-shadow:0 6px 24px rgba(18,44,90,.07);}
.header-inner{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;gap:16px;}
@media(max-width:420px){.header-inner{gap:8px;padding:0 16px;}.brand-sub{font-size:.6rem;letter-spacing:.08em;}}
@media(max-width:370px){
  .brand-mark{width:36px;height:36px;}
  .brand-name{font-size:.94rem;}
  .icon-btn,.hamburger{width:38px;height:38px;}
}
.brand{display:flex;align-items:center;gap:12px;}
.brand-mark{width:44px;height:44px;flex-shrink:0;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-weight:700;font-size:1.08rem;color:var(--navy);}
[data-theme="dark"] .brand-name{color:var(--ink);}
.brand-sub{font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-soft);font-weight:600;}

.main-nav{display:flex;align-items:center;gap:30px;}
.main-nav ul{display:flex;align-items:center;gap:34px;}
.main-nav a{
  font-size:.92rem;font-weight:500;color:var(--ink);position:relative;padding:8px 0;
}
.main-nav a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--blue-bright);
  transition:width .3s var(--ease);
}
.main-nav a:hover::after,.main-nav a.active::after{width:100%;}

.header-actions{display:flex;align-items:center;gap:14px;}
.icon-btn{
  width:42px;height:42px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:var(--grey);color:var(--navy);transition:background .25s,transform .25s;flex-shrink:0;
}
[data-theme="dark"] .icon-btn{color:var(--ink);}
.icon-btn:hover{background:var(--sky);transform:translateY(-2px);}
.icon-btn svg{width:19px;height:19px;}
.icon-sun,.icon-moon{position:absolute;transition:opacity .25s,transform .35s;}
[data-theme="dark"] .icon-moon{opacity:0;transform:scale(.4) rotate(90deg);}
[data-theme="dark"] .icon-sun{opacity:1;transform:scale(1) rotate(0);}
.icon-sun{opacity:0;transform:scale(.4) rotate(-90deg);}
.icon-moon{opacity:1;}
.theme-toggle{position:relative;}

.hamburger{display:none;width:44px;height:44px;border-radius:50%;background:var(--grey);align-items:center;justify-content:center;position:relative;flex-shrink:0;}
.hamburger span{position:absolute;width:20px;height:2px;background:var(--navy);border-radius:2px;transition:transform .3s var(--ease),opacity .3s var(--ease);}
[data-theme="dark"] .hamburger span{background:var(--ink);}
.hamburger span:nth-child(1){transform:translateY(-6px);}
.hamburger span:nth-child(3){transform:translateY(6px);}
.hamburger.open span:nth-child(1){transform:rotate(45deg);}
.hamburger.open span:nth-child(2){opacity:0;}
.hamburger.open span:nth-child(3){transform:rotate(-45deg);}

@media(max-width:900px){
  .main-nav{
    position:fixed;top:var(--header-h);left:0;right:0;
    height:calc(100vh - var(--header-h));height:calc(100dvh - var(--header-h));
    background:var(--white);padding:32px 24px;
    transform:translateX(100%);transition:transform .4s var(--ease);
    overflow-y:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;
    z-index:850;box-shadow:var(--shadow-lg);
    flex-direction:column;align-items:stretch;justify-content:flex-start;gap:0;
  }
  .main-nav.open{transform:translateX(0);}
  .main-nav ul{flex-direction:column;align-items:stretch;gap:4px;width:100%;}
  .main-nav a{display:block;width:100%;padding:16px 6px;font-size:1.1rem;border-bottom:1px solid var(--grey-line);}
  .main-nav .nav-cta{margin-top:20px;width:100%;}
  .main-nav .nav-cta .btn{width:100%;}
  .hamburger{display:flex;}
}

/* ============ HERO ============ */
.hero{
  min-height:100svh;display:flex;align-items:center;position:relative;
  padding-top:var(--header-h);overflow:hidden;
  background:linear-gradient(180deg,#0E274F 0%,#153B76 46%,#1F4E9C 100%);
}
.hero-bg-photo{position:absolute;inset:0;z-index:0;}
.hero-bg-photo img{width:100%;height:100%;object-fit:cover;opacity:.34;}
.hero-bg-photo::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,26,58,.55) 0%,rgba(14,39,79,.78) 55%,rgba(31,78,156,.92) 100%);
}
.hero-rule{
  position:absolute;inset:0;z-index:1;pointer-events:none;opacity:.5;
  background-image:repeating-linear-gradient(180deg,transparent 0 43px,rgba(255,255,255,.055) 43px 44px);
}
.hero-inner{position:relative;z-index:2;width:100%;max-width:1240px;margin:0 auto;padding:70px 24px 90px;display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;}
.hero-crest{
  width:76px;height:76px;margin-bottom:26px;
  animation:crestIn 1s var(--ease) .1s both;
}
@keyframes crestIn{from{opacity:0;transform:translateY(-14px) scale(.85);}to{opacity:1;transform:none;}}
.hero-copy .eyebrow{color:#BFD4F7;}
.hero-copy .eyebrow::before{background:var(--gold);}
.hero-copy h1{
  font-size:clamp(2.5rem,5.4vw,4rem);font-weight:800;color:#fff;line-height:1.08;letter-spacing:-.01em;
  max-width:15ch;
}
.hero-copy h1 em{font-style:normal;color:#9FC1FF;}
.hero-copy p{color:#D3DFF4;font-size:1.12rem;margin-top:22px;max-width:46ch;}
.hero-actions{display:flex;gap:16px;margin-top:38px;flex-wrap:wrap;}
.hero-stats{display:flex;gap:32px;margin-top:52px;flex-wrap:wrap;}
.hero-stat b{display:block;font-family:'Poppins',sans-serif;font-size:1.7rem;color:#fff;font-weight:700;}
.hero-stat span{font-size:.8rem;color:#B7CCF1;letter-spacing:.04em;}

.hero-visual{position:relative;display:flex;justify-content:center;}
.hero-photo-card{
  position:relative;width:100%;max-width:400px;border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-lg);border:6px solid rgba(255,255,255,.14);
  animation:floatCard 6s ease-in-out infinite;
}
@keyframes floatCard{0%,100%{transform:translateY(0);}50%{transform:translateY(-14px);}}
.hero-photo-card img{aspect-ratio:4/5;object-fit:cover;}
.hero-badge{
  position:absolute;bottom:-22px;left:-26px;background:#fff;color:var(--navy);
  border-radius:var(--radius-md);padding:16px 20px;box-shadow:var(--shadow-md);
  display:flex;align-items:center;gap:12px;max-width:230px;
}
.hero-badge .dot{width:44px;height:44px;border-radius:50%;background:var(--sky);display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.hero-badge .dot svg{width:22px;height:22px;color:var(--blue);}
.hero-badge b{display:block;font-size:.95rem;color:var(--navy);}
.hero-badge span{font-size:.76rem;color:var(--ink-soft);}

.scroll-cue{
  position:absolute;bottom:26px;left:50%;transform:translateX(-50%);z-index:2;
  display:flex;flex-direction:column;align-items:center;gap:8px;color:#BFD4F7;font-size:.72rem;
  letter-spacing:.14em;text-transform:uppercase;
}
.scroll-cue .line{width:1px;height:34px;background:linear-gradient(#BFD4F7,transparent);animation:cue 1.8s ease-in-out infinite;}
@keyframes cue{0%{opacity:.2;transform:scaleY(.4);transform-origin:top;}50%{opacity:1;transform:scaleY(1);transform-origin:top;}100%{opacity:.2;transform:scaleY(.4);transform-origin:top;}}

@media(max-width:960px){
  .hero-inner{grid-template-columns:1fr;text-align:left;}
  .hero-visual{margin-top:20px;max-width:340px;}
  .hero-badge{left:0;}
}

/* ============ ABOUT ============ */
.about{padding:120px 0 100px;background:var(--white);}
.about-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:64px;align-items:start;}
.about-photo{position:relative;}
.about-photo-main{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md);}
.about-photo-main img{aspect-ratio:1/1.02;object-fit:cover;}
.about-ring{
  position:absolute;top:-24px;right:-24px;width:120px;height:120px;
  border:2px dashed var(--blue-bright);border-radius:50%;opacity:.35;z-index:-1;
}
.about-copy p.lede{font-size:1.12rem;color:var(--ink-soft);margin-bottom:18px;}
.pillars{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:30px;}
.pillar{
  background:var(--grey);border-radius:var(--radius-md);padding:22px 20px;
  border-left:3px solid var(--blue-bright);transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.pillar:hover{transform:translateY(-4px);box-shadow:var(--shadow-sm);}
.pillar h4{font-size:1rem;color:var(--navy);margin-bottom:6px;}
[data-theme="dark"] .pillar h4{color:var(--ink);}
.pillar p{font-size:.88rem;color:var(--ink-soft);}
.principal-note{
  margin-top:36px;background:linear-gradient(135deg,var(--sky),var(--white));
  border-radius:var(--radius-md);padding:28px;display:flex;gap:18px;box-shadow:var(--shadow-sm);
}
.principal-note img{width:64px;height:64px;border-radius:50%;object-fit:cover;flex-shrink:0;}
.principal-note blockquote{font-size:.98rem;font-style:italic;color:var(--ink);}
.principal-note cite{display:block;margin-top:10px;font-style:normal;font-weight:600;font-size:.85rem;color:var(--blue);}

@media(max-width:880px){.about-grid{grid-template-columns:1fr;}.about-photo{max-width:420px;}}
@media(max-width:520px){.pillars{grid-template-columns:1fr;}.principal-note{flex-direction:column;}}

/* ============ WHY CHOOSE ============ */
.why{padding:100px 0;background:var(--grey);}
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.why-card{
  background:var(--white);border-radius:var(--radius-md);padding:32px 26px;box-shadow:var(--shadow-sm);
  transition:transform .35s var(--ease),box-shadow .35s var(--ease);position:relative;overflow:hidden;
}
.why-card::before{
  content:"";position:absolute;inset:0;background:linear-gradient(135deg,var(--blue-bright),var(--navy));
  opacity:0;transition:opacity .35s var(--ease);z-index:0;
}
.why-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-md);}
.why-card:hover::before{opacity:1;}
.why-card > *{position:relative;z-index:1;}
.why-icon{
  width:54px;height:54px;border-radius:var(--radius-sm);background:var(--sky);color:var(--blue);
  display:flex;align-items:center;justify-content:center;margin-bottom:20px;transition:background .35s,color .35s;
}
.why-icon svg{width:26px;height:26px;}
.why-card h3{font-size:1.08rem;color:var(--navy);margin-bottom:10px;transition:color .35s;}
.why-card p{font-size:.9rem;color:var(--ink-soft);transition:color .35s;}
.why-card:hover .why-icon{background:rgba(255,255,255,.18);color:#fff;}
.why-card:hover h3,.why-card:hover p{color:#fff;}
[data-theme="dark"] .why-card{background:var(--sky);}

@media(max-width:900px){.why-grid{grid-template-columns:1fr 1fr;}}
@media(max-width:560px){.why-grid{grid-template-columns:1fr;}}

/* ============ PROGRAMS ============ */
.programs{padding:110px 0;background:var(--white);}
.tabs{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:40px;}
.tab-btn{
  padding:11px 22px;border-radius:100px;font-size:.9rem;font-weight:600;color:var(--ink-soft);
  background:var(--grey);transition:background .25s,color .25s;
}
.tab-btn.active,.tab-btn:hover{background:var(--blue);color:#fff;}
.tab-panels{position:relative;}
.tab-panel{display:none;grid-template-columns:1fr 1.15fr;gap:44px;align-items:center;}
.tab-panel.active{display:grid;animation:fadeUp .5s var(--ease);}
@keyframes fadeUp{from{opacity:0;transform:translateY(14px);}to{opacity:1;transform:none;}}
.tab-photo{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md);}
.tab-photo img{aspect-ratio:5/4;object-fit:cover;}
.tab-copy .stage-tag{display:inline-block;background:var(--sky);color:var(--blue);font-size:.76rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;padding:6px 14px;border-radius:100px;margin-bottom:16px;}
.tab-copy h3{font-size:1.7rem;color:var(--navy);margin-bottom:12px;}
[data-theme="dark"] .tab-copy h3{color:var(--ink);}
.tab-copy p{color:var(--ink-soft);margin-bottom:18px;}
.tab-copy ul{display:grid;gap:10px;}
.tab-copy ul li{display:flex;align-items:flex-start;gap:10px;font-size:.94rem;color:var(--ink);}
.tab-copy ul li svg{width:18px;height:18px;color:var(--blue-bright);flex-shrink:0;margin-top:2px;}
.admission-banner{
  margin-top:70px;border-radius:var(--radius-lg);background:linear-gradient(120deg,var(--navy),var(--blue-bright));
  padding:44px;display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;color:#fff;
  box-shadow:var(--shadow-md);
}
.admission-banner h3{font-size:1.4rem;margin-bottom:8px;}
.admission-banner p{color:#D6E3FA;font-size:.94rem;max-width:44ch;}

@media(max-width:820px){.tab-panel.active{grid-template-columns:1fr;}}

/* ============ GALLERY ============ */
.gallery{padding:110px 0;background:var(--grey);}
.gallery-filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:36px;}
.filter-btn{padding:10px 20px;border-radius:100px;font-size:.86rem;font-weight:600;background:var(--white);color:var(--ink-soft);box-shadow:var(--shadow-sm);transition:background .25s,color .25s;}
.filter-btn.active,.filter-btn:hover{background:var(--blue);color:#fff;}
.gallery-grid{
  display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:240px;gap:16px;
}
.gallery-item{
  position:relative;border-radius:var(--radius-md);overflow:hidden;cursor:pointer;
  box-shadow:var(--shadow-sm);transition:transform .25s var(--ease),opacity .3s var(--ease);
}
.gallery-item.hide{display:none;}
.gallery-item img{width:100%;height:100%;object-fit:cover;transition:transform .55s var(--ease);}
.gallery-item:hover img{transform:scale(1.09);}
.gallery-item .g-overlay{
  position:absolute;inset:0;background:linear-gradient(0deg,rgba(11,22,50,.82) 0%,rgba(11,22,50,0) 55%);
  display:flex;align-items:flex-end;padding:16px;opacity:0;transition:opacity .3s var(--ease);
}
.gallery-item:hover .g-overlay{opacity:1;}
.gallery-item .g-overlay span{color:#fff;font-weight:600;font-size:.9rem;}
.gallery-item .g-cat{position:absolute;top:12px;left:12px;background:rgba(255,255,255,.92);color:var(--navy);font-size:.68rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;padding:5px 10px;border-radius:100px;}

@media(max-width:900px){.gallery-grid{grid-template-columns:repeat(2,1fr);grid-auto-rows:220px;}}
@media(max-width:560px){.gallery-grid{grid-template-columns:1fr 1fr;grid-auto-rows:160px;gap:12px;}}

.lightbox{
  position:fixed;inset:0;z-index:1000;background:rgba(6,14,32,.92);
  display:flex;align-items:center;justify-content:center;padding:30px;
  opacity:0;pointer-events:none;transition:opacity .3s var(--ease);
}
.lightbox.open{opacity:1;pointer-events:auto;}
.lightbox figure{max-width:900px;max-height:86vh;position:relative;}
.lightbox img{max-height:78vh;border-radius:var(--radius-md);box-shadow:var(--shadow-lg);margin:0 auto;}
.lightbox figcaption{color:#EAF0FB;text-align:center;margin-top:14px;font-size:.92rem;}
.lightbox-close,.lightbox-nav{
  position:absolute;width:46px;height:46px;border-radius:50%;background:rgba(255,255,255,.12);
  color:#fff;display:flex;align-items:center;justify-content:center;transition:background .25s;
}
.lightbox-close{top:-58px;right:0;}
.lightbox-close:hover,.lightbox-nav:hover{background:rgba(255,255,255,.26);}
.lightbox-nav svg{width:22px;height:22px;}
.lightbox-prev{left:-60px;top:50%;transform:translateY(-50%);}
.lightbox-next{right:-60px;top:50%;transform:translateY(-50%);}
@media(max-width:760px){.lightbox-prev{left:6px;}.lightbox-next{right:6px;}.lightbox-close{top:6px;right:6px;background:rgba(6,14,32,.5);}}

/* ============ CONTACT ============ */
.contact{padding:110px 0;background:var(--white);}
.contact-grid{display:grid;grid-template-columns:.95fr 1.25fr;gap:50px;}
.contact-info{display:flex;flex-direction:column;gap:16px;}
.info-card{
  display:flex;gap:16px;background:var(--grey);border-radius:var(--radius-md);padding:22px;
  transition:transform .3s var(--ease);
}
.info-card:hover{transform:translateX(4px);}
.info-icon{width:46px;height:46px;border-radius:50%;background:var(--sky);color:var(--blue);display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.info-icon svg{width:22px;height:22px;}
.info-card h4{font-size:.95rem;color:var(--navy);margin-bottom:4px;}
[data-theme="dark"] .info-card h4{color:var(--ink);}
.info-card p{font-size:.87rem;color:var(--ink-soft);}
.map-wrap{border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-sm);margin-top:6px;}
.map-wrap iframe{width:100%;height:220px;border:0;display:block;filter:grayscale(.15) contrast(1.05);}

.contact-form{
  background:var(--grey);border-radius:var(--radius-lg);padding:40px;box-shadow:var(--shadow-sm);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{margin-bottom:20px;}
.field label{display:block;font-size:.84rem;font-weight:600;color:var(--ink);margin-bottom:8px;}
.field input,.field textarea{
  width:100%;padding:14px 16px;border-radius:var(--radius-sm);border:1.5px solid var(--grey-line);
  background:var(--white);color:var(--ink);font-size:.94rem;transition:border-color .25s,box-shadow .25s;
}
.field input:focus,.field textarea:focus{border-color:var(--blue-bright);box-shadow:0 0 0 4px rgba(46,111,224,.14);}
.field textarea{resize:vertical;min-height:130px;}
.field.error input,.field.error textarea{border-color:#D64545;}
.field .err-msg{display:none;color:#D64545;font-size:.78rem;margin-top:6px;}
.field.error .err-msg{display:block;}
.form-note{font-size:.82rem;color:var(--ink-soft);margin-top:14px;}
.form-success{
  display:none;align-items:center;gap:10px;background:#E4F6EA;color:#1D7A3E;padding:14px 18px;
  border-radius:var(--radius-sm);margin-bottom:18px;font-size:.9rem;font-weight:600;
}
.form-success.show{display:flex;}
[data-theme="dark"] .form-success{background:#123322;color:#7EE0A2;}

@media(max-width:900px){.contact-grid{grid-template-columns:1fr;}}
@media(max-width:560px){.form-row{grid-template-columns:1fr;}.contact-form{padding:26px;}}

/* ============ FOOTER ============ */
.site-footer{background:var(--navy);color:#CBD9F2;padding:80px 0 0;position:relative;}
[data-theme="dark"] .site-footer{background:#081226;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:56px;border-bottom:1px solid rgba(255,255,255,.1);}
.footer-brand{display:flex;gap:12px;align-items:center;margin-bottom:16px;}
.footer-brand .brand-name{color:#fff;}
.footer-brand .brand-sub{color:#8EA6D2;}
.site-footer p.desc{font-size:.88rem;color:#A9BCE0;max-width:32ch;margin-bottom:14px;}
.reg-number{font-size:.8rem;font-weight:600;letter-spacing:.04em;color:#7FA3E8;margin-bottom:22px;}
.social-row{display:flex;gap:10px;}
.social-row a{width:38px;height:38px;border-radius:50%;background:rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center;transition:background .25s,transform .25s;}
.social-row a:hover{background:var(--blue-bright);transform:translateY(-3px);}
.social-row svg{width:17px;height:17px;color:#fff;}
.footer-col h5{color:#fff;font-size:.9rem;letter-spacing:.05em;text-transform:uppercase;margin-bottom:20px;}
.footer-col ul{display:grid;gap:12px;}
.footer-col a{font-size:.9rem;color:#B7C7E6;transition:color .2s,padding-left .2s;}
.footer-col a:hover{color:#fff;padding-left:4px;}
.footer-contact li{font-size:.88rem;color:#B7C7E6;margin-bottom:12px;display:flex;gap:10px;}
.footer-contact svg{width:17px;height:17px;flex-shrink:0;margin-top:2px;color:#7FA3E8;}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding:26px 0;flex-wrap:wrap;gap:12px;font-size:.82rem;color:#8EA6D2;}

@media(max-width:900px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media(max-width:560px){.footer-grid{grid-template-columns:1fr;}}

.back-to-top{
  position:fixed;right:22px;bottom:22px;width:50px;height:50px;border-radius:50%;
  background:linear-gradient(135deg,var(--blue-bright),var(--navy));color:#fff;
  display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-md);
  opacity:0;pointer-events:none;transform:translateY(14px);transition:opacity .3s var(--ease),transform .3s var(--ease);z-index:500;
}
.back-to-top.show{opacity:1;pointer-events:auto;transform:translateY(0);}
.back-to-top svg{width:20px;height:20px;}

.whatsapp-btn{
  position:fixed;left:22px;bottom:22px;width:56px;height:56px;border-radius:50%;
  background:#25D366;color:#fff;display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 26px rgba(37,211,102,.42);z-index:500;transition:transform .25s;
}
.whatsapp-btn:hover{transform:scale(1.08);}
.whatsapp-btn svg{width:28px;height:28px;}
.whatsapp-btn .ping{position:absolute;inset:0;border-radius:50%;border:2px solid #25D366;animation:ping 2.2s ease-out infinite;}
@keyframes ping{0%{transform:scale(1);opacity:.7;}100%{transform:scale(1.7);opacity:0;}}

.skip-link{
  position:absolute;left:16px;top:-60px;background:var(--navy);color:#fff;padding:12px 18px;
  border-radius:8px;z-index:2000;transition:top .25s;
}
.skip-link:focus{top:16px;}

::selection{background:var(--blue-bright);color:#fff;}