/* =========================================================================
   Kevin Chang Fitness — bold dark influencer / personal-trainer theme
   Fonts: Anton (display) + Inter (body).  Accent: electric "volt" lime.
   ========================================================================= */

:root {
  --bg:        #0a0a0b;
  --bg-2:      #121214;
  --panel:     #161619;
  --panel-2:   #1c1c21;
  --line:      rgba(255,255,255,.08);
  --line-2:    rgba(255,255,255,.14);
  --ink:       #ffffff;
  --muted:     #a6a6b0;
  --faint:     #71717a;
  --volt:      #d4ff32;
  --volt-dark: #b7e600;
  --volt-ink:  #0a0a0b;
  --maxw:      1200px;
  --radius:    16px;
  --radius-sm: 11px;
  --shadow:    0 24px 60px rgba(0,0,0,.45);
  --ease:      cubic-bezier(.22,.61,.36,1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { margin: 0; line-height: 1.05; letter-spacing: .5px; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.display { font-family: 'Anton', 'Inter', sans-serif; font-weight: 400; text-transform: uppercase; letter-spacing: 1px; }
.txt-volt { color: var(--volt); }
.eyebrow {
  font-size: 13px; font-weight: 800; letter-spacing: 3px; text-transform: uppercase;
  color: var(--volt); margin: 0 0 14px;
}
.section { padding: 96px 0; }
.section-tight { padding: 64px 0; }
.section-head { max-width: 720px; margin: 0 auto 56px; text-align: center; }
.section-head.left { margin-left: 0; text-align: left; }
.section-title {
  font-family: 'Anton', sans-serif; text-transform: uppercase;
  font-size: clamp(34px, 5vw, 60px); line-height: .98; letter-spacing: 1px;
}
.section-sub { color: var(--muted); font-size: 18px; margin-top: 18px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  font-weight: 800; font-size: 15px; letter-spacing: .3px;
  padding: 15px 28px; border-radius: 999px; border: 2px solid transparent;
  cursor: pointer; transition: transform .18s var(--ease), background .2s, color .2s, box-shadow .2s;
  white-space: nowrap;
}
.btn-volt { background: var(--volt); color: var(--volt-ink); box-shadow: 0 10px 30px rgba(212,255,50,.25); }
.btn-volt:hover { transform: translateY(-2px); box-shadow: 0 16px 40px rgba(212,255,50,.4); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line-2); }
.btn-ghost:hover { border-color: var(--volt); color: var(--volt); transform: translateY(-2px); }
.btn-dark { background: var(--ink); color: var(--bg); }
.btn-dark:hover { transform: translateY(-2px); }
.btn-sm { padding: 11px 20px; font-size: 14px; }
.btn-lg { padding: 18px 36px; font-size: 16px; }

/* =========================================================================
   HEADER
   ========================================================================= */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  transition: background .3s var(--ease), border-color .3s, backdrop-filter .3s;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(10,10,11,.82);
  backdrop-filter: saturate(140%) blur(14px);
  border-bottom-color: var(--line);
}
.header-inner {
  max-width: var(--maxw); margin: 0 auto; padding: 0 24px; height: 76px;
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
}
.brand { display: inline-flex; align-items: baseline; font-family: 'Anton', sans-serif; font-size: 25px; letter-spacing: 1.5px; text-transform: uppercase; }
.brand-mark { color: var(--ink); }
.brand-accent { color: var(--volt); margin-left: 4px; }

.nav { margin-left: auto; }
.nav-links { list-style: none; display: flex; gap: 6px; margin: 0; padding: 0; align-items: center; }
.nav-links a {
  display: inline-block; padding: 9px 15px; font-size: 14px; font-weight: 700;
  letter-spacing: .4px; color: var(--muted); border-radius: 999px; transition: color .18s, background .18s;
}
.nav-links a:hover { color: var(--ink); }
.nav-links a.active { color: var(--volt); }
.nav-cta-mobile { display: none; }

.header-right { display: flex; align-items: center; gap: 16px; }
.header-socials { display: flex; gap: 6px; }
.soc {
  width: 38px; height: 38px; display: inline-flex; align-items: center; justify-content: center;
  border-radius: 50%; color: var(--muted); border: 1px solid var(--line);
  transition: color .18s, border-color .18s, transform .18s, background .18s;
}
.soc svg { width: 17px; height: 17px; }
.soc:hover { color: var(--volt-ink); background: var(--volt); border-color: var(--volt); transform: translateY(-2px); }

.nav-toggle { display: none; flex-direction: column; gap: 5px; width: 42px; height: 42px; background: none; border: 0; cursor: pointer; padding: 10px; }
.nav-toggle span { height: 2px; background: var(--ink); border-radius: 2px; transition: transform .25s, opacity .2s; }
.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* =========================================================================
   HERO
   ========================================================================= */
.hero {
  position: relative; min-height: 100vh; display: flex; align-items: center;
  padding: 120px 0 70px;
  background: linear-gradient(180deg, rgba(10,10,11,.62) 0%, rgba(10,10,11,.55) 40%, rgba(10,10,11,.92) 100%),
              radial-gradient(60% 55% at 78% 30%, rgba(212,255,50,.14), transparent 70%),
              url("../images/hero.8c6e9db525c7.jpg");
  background-size: cover; background-position: center 20%;
}
.hero-inner { position: relative; max-width: 860px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 9px; font-size: 13px; font-weight: 700;
  letter-spacing: 1.5px; text-transform: uppercase; color: var(--ink);
  background: rgba(255,255,255,.07); border: 1px solid var(--line-2);
  padding: 8px 16px; border-radius: 999px; margin-bottom: 26px;
}
.hero-badge .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--volt); box-shadow: 0 0 0 4px rgba(212,255,50,.25); }
.hero h1 {
  font-family: 'Anton', sans-serif; text-transform: uppercase;
  font-size: clamp(48px, 9vw, 108px); line-height: .92; letter-spacing: 1px;
  text-shadow: 0 6px 40px rgba(0,0,0,.4);
}
.hero h1 .stroke {
  color: transparent; -webkit-text-stroke: 2px var(--volt); text-stroke: 2px var(--volt);
}
.hero-sub { font-size: 20px; color: #e6e6ea; max-width: 560px; margin: 26px 0 34px; line-height: 1.6; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-scroll { position: absolute; bottom: 28px; left: 50%; transform: translateX(-50%); color: var(--faint); font-size: 12px; letter-spacing: 2px; text-transform: uppercase; }

/* ---------- Stat band ---------- */
.stat-band { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--bg-2); }
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat { padding: 40px 20px; text-align: center; border-right: 1px solid var(--line); }
.stat:last-child { border-right: 0; }
.stat-value { font-family: 'Anton', sans-serif; font-size: clamp(38px, 5vw, 58px); color: var(--volt); line-height: 1; }
.stat-label { margin-top: 8px; font-size: 13px; letter-spacing: 2px; text-transform: uppercase; color: var(--muted); font-weight: 600; }

/* =========================================================================
   FEATURE / SPECIALTY CARDS
   ========================================================================= */
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.feat {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 34px 30px; transition: transform .25s var(--ease), border-color .25s, background .25s;
}
.feat:hover { transform: translateY(-6px); border-color: rgba(212,255,50,.4); background: var(--panel-2); }
.feat-ico {
  width: 58px; height: 58px; border-radius: 14px; display: inline-flex; align-items: center; justify-content: center;
  background: rgba(212,255,50,.12); color: var(--volt); margin-bottom: 22px;
}
.feat-ico .feat-icon { width: 28px; height: 28px; }
.feat h3 { font-size: 21px; font-weight: 800; letter-spacing: .2px; margin-bottom: 12px; }
.feat p { color: var(--muted); font-size: 15.5px; margin: 0; line-height: 1.6; }

/* =========================================================================
   SPLIT / ABOUT
   ========================================================================= */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.split.reverse .split-media { order: 2; }
.split-media { position: relative; }
.split-media img { border-radius: var(--radius); width: 100%; height: 100%; object-fit: cover; box-shadow: var(--shadow); }
.split-media .media-tag {
  position: absolute; bottom: 20px; left: 20px; background: var(--volt); color: var(--volt-ink);
  font-family: 'Anton', sans-serif; font-size: 15px; letter-spacing: 1px; text-transform: uppercase;
  padding: 10px 18px; border-radius: 10px;
}
.split-body h2 { font-family: 'Anton', sans-serif; text-transform: uppercase; font-size: clamp(30px, 4.4vw, 52px); line-height: 1; margin-bottom: 22px; }
.split-body p { color: var(--muted); font-size: 16.5px; margin: 0 0 18px; }
.split-body .lead { color: #e6e6ea; font-size: 19px; font-weight: 500; }

.sig { margin-top: 26px; font-family: 'Anton', sans-serif; font-size: 30px; color: var(--volt); letter-spacing: 1px; transform: rotate(-3deg); display: inline-block; }

/* chips / lists */
.chips { display: flex; flex-wrap: wrap; gap: 10px; margin: 22px 0 0; padding: 0; list-style: none; }
.chips li { background: var(--panel-2); border: 1px solid var(--line); border-radius: 999px; padding: 8px 16px; font-size: 14px; font-weight: 600; color: #d4d4dc; }
.ticks { list-style: none; padding: 0; margin: 24px 0 0; }
.ticks li { position: relative; padding: 9px 0 9px 34px; color: #d4d4dc; font-size: 16px; border-bottom: 1px solid var(--line); }
.ticks li::before {
  content: ""; position: absolute; left: 0; top: 50%; width: 20px; height: 20px; margin-top: -10px;
  border-radius: 50%; background: rgba(212,255,50,.15);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23d4ff32' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: center;
}

/* =========================================================================
   CERTIFICATIONS
   ========================================================================= */
.cert-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.cert {
  display: flex; align-items: center; gap: 16px; background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius-sm); padding: 20px 22px;
}
.cert-badge {
  flex: none; width: 46px; height: 46px; border-radius: 12px; display: inline-flex; align-items: center; justify-content: center;
  background: rgba(212,255,50,.12); color: var(--volt);
}
.cert.pending .cert-badge { background: rgba(255,255,255,.06); color: var(--faint); }
.cert-name { font-weight: 700; font-size: 15.5px; }
.cert-org { color: var(--faint); font-size: 13px; }
.cert-pill { margin-left: auto; font-size: 11px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; color: var(--faint); border: 1px solid var(--line-2); border-radius: 999px; padding: 4px 10px; }
.cert-note { margin-top: 18px; color: var(--faint); font-size: 14px; font-style: italic; }

/* =========================================================================
   PROCESS
   ========================================================================= */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: step; }
.step { position: relative; padding: 30px 24px; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); }
.step-num { font-family: 'Anton', sans-serif; font-size: 46px; color: transparent; -webkit-text-stroke: 1.5px rgba(212,255,50,.55); line-height: 1; }
.step h4 { font-size: 19px; font-weight: 800; margin: 12px 0 10px; }
.step p { color: var(--muted); font-size: 15px; margin: 0; }

/* =========================================================================
   PRICING
   ========================================================================= */
.price-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; align-items: stretch; }
.price {
  position: relative; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 36px 30px; display: flex; flex-direction: column; transition: transform .25s var(--ease), border-color .25s;
}
.price:hover { transform: translateY(-6px); }
.price.featured { background: linear-gradient(180deg, #1a1c12, var(--panel)); border-color: rgba(212,255,50,.5); box-shadow: 0 30px 70px rgba(212,255,50,.08); }
.price-flag {
  position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
  background: var(--volt); color: var(--volt-ink); font-size: 11px; font-weight: 800; letter-spacing: 1.5px;
  text-transform: uppercase; padding: 6px 16px; border-radius: 999px;
}
.price-name { font-size: 15px; font-weight: 800; letter-spacing: 1px; text-transform: uppercase; color: var(--muted); }
.price-amount { font-family: 'Anton', sans-serif; font-size: 56px; line-height: 1; margin: 14px 0 4px; }
.price-amount .unit { font-family: 'Inter', sans-serif; font-size: 15px; font-weight: 600; color: var(--faint); letter-spacing: 0; }
.price-summary { color: var(--muted); font-size: 15px; min-height: 44px; margin-bottom: 8px; }
.price ul { list-style: none; padding: 0; margin: 18px 0 28px; flex: 1; }
.price ul li { position: relative; padding: 8px 0 8px 28px; font-size: 15px; color: #d4d4dc; }
.price ul li::before {
  content: ""; position: absolute; left: 0; top: 12px; width: 16px; height: 16px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23d4ff32' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
}
.price .btn { width: 100%; }
.rate-note { text-align: center; margin-top: 26px; color: var(--faint); font-size: 14px; }

/* =========================================================================
   TESTIMONIALS
   ========================================================================= */
.quote-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.quote {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 32px 30px;
}
.quote .stars { color: var(--volt); letter-spacing: 3px; font-size: 15px; margin-bottom: 14px; }
.quote p { font-size: 17px; line-height: 1.6; color: #ececf0; margin: 0 0 20px; }
.quote .who { display: flex; align-items: center; gap: 14px; }
.quote .who .av { width: 44px; height: 44px; border-radius: 50%; background: var(--volt); color: var(--volt-ink); display: inline-flex; align-items: center; justify-content: center; font-family: 'Anton', sans-serif; font-size: 18px; }
.quote .who .nm { font-weight: 800; font-size: 15px; }
.quote .who .dt { color: var(--faint); font-size: 13px; }

/* clientele */
.who-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.who-card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 26px 24px; transition: border-color .2s, transform .2s var(--ease); }
.who-card:hover { border-color: rgba(212,255,50,.4); transform: translateY(-4px); }
.who-card h4 { font-size: 18px; font-weight: 800; margin-bottom: 10px; }
.who-card h4::before { content: "›"; color: var(--volt); margin-right: 8px; font-weight: 900; }
.who-card p { color: var(--muted); font-size: 15px; margin: 0; }

/* gallery */
.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.gallery a { position: relative; display: block; border-radius: var(--radius-sm); overflow: hidden; aspect-ratio: 4/5; background: var(--panel-2); }
.gallery img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s var(--ease); }
.gallery a:hover img { transform: scale(1.07); }
.gallery a::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(10,10,11,.5));
  opacity: 0; transition: opacity .3s;
}
.gallery a:hover::after { opacity: 1; }

/* =========================================================================
   CTA BAND
   ========================================================================= */
.cta-band { background: var(--volt); color: var(--volt-ink); }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 40px; padding: 72px 24px; flex-wrap: wrap; }
.cta-band .eyebrow { color: rgba(10,10,11,.6); }
.cta-title { font-family: 'Anton', sans-serif; text-transform: uppercase; font-size: clamp(30px, 4.5vw, 54px); line-height: .95; }
.cta-title .txt-volt { color: #0a0a0b; -webkit-text-stroke: 0; }
.cta-band .cta-title span { display: inline; }
.cta-sub { margin: 16px 0 0; font-weight: 500; font-size: 17px; color: rgba(10,10,11,.75); }
.cta-actions { display: flex; flex-direction: column; gap: 12px; }
.cta-band .btn-volt { background: var(--volt-ink); color: var(--volt); box-shadow: none; }
.cta-band .btn-volt:hover { background: #000; }
.cta-band .btn-ghost { border-color: rgba(10,10,11,.35); color: var(--volt-ink); }
.cta-band .btn-ghost:hover { background: rgba(10,10,11,.08); color: var(--volt-ink); border-color: var(--volt-ink); }

/* =========================================================================
   PAGE HEADER (interior pages)
   ========================================================================= */
.page-hero {
  padding: 150px 0 70px; text-align: center; position: relative;
  border-bottom: 1px solid var(--line);
  background: radial-gradient(60% 80% at 50% 0%, rgba(212,255,50,.08), transparent 70%);
}
.page-hero h1 { font-family: 'Anton', sans-serif; text-transform: uppercase; font-size: clamp(44px, 8vw, 92px); line-height: .95; }
.page-hero p { color: var(--muted); font-size: 19px; max-width: 620px; margin: 18px auto 0; }

/* =========================================================================
   CONTACT
   ========================================================================= */
.contact-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 46px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 13px; font-weight: 700; letter-spacing: .5px; text-transform: uppercase; color: var(--muted); margin-bottom: 8px; }
.field input, .field textarea, .field select {
  width: 100%; background: var(--panel); border: 1px solid var(--line-2); color: var(--ink);
  border-radius: 11px; padding: 14px 16px; font: inherit; font-size: 15.5px; transition: border-color .18s, background .18s;
}
.field input:focus, .field textarea:focus, .field select:focus { outline: none; border-color: var(--volt); background: var(--panel-2); }
.field textarea { min-height: 130px; resize: vertical; }
.contact-side { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 34px 30px; height: fit-content; }
.contact-side h3 { font-family: 'Anton', sans-serif; text-transform: uppercase; font-size: 26px; margin-bottom: 18px; }
.contact-line { display: flex; align-items: center; gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.contact-line:last-of-type { border-bottom: 0; }
.contact-line .ci { width: 40px; height: 40px; flex: none; border-radius: 10px; background: rgba(212,255,50,.12); color: var(--volt); display: inline-flex; align-items: center; justify-content: center; }
.contact-line .ci svg { width: 18px; height: 18px; }
.contact-line .cl { font-size: 12px; letter-spacing: 1px; text-transform: uppercase; color: var(--faint); }
.contact-line .cv { font-weight: 700; font-size: 15.5px; }
.side-socials { display: flex; gap: 10px; margin-top: 22px; }
.form-note { color: var(--faint); font-size: 13px; margin-top: 14px; }

/* FAQ */
.faq { max-width: 820px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-q { width: 100%; text-align: left; background: none; border: 0; color: var(--ink); cursor: pointer;
  font: inherit; font-weight: 700; font-size: 18px; padding: 24px 40px 24px 0; position: relative; }
.faq-q::after { content: "+"; position: absolute; right: 4px; top: 50%; transform: translateY(-50%); color: var(--volt); font-size: 26px; font-weight: 400; transition: transform .25s; }
.faq-item.open .faq-q::after { transform: translateY(-50%) rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .3s var(--ease); }
.faq-item.open .faq-a { max-height: 240px; }
.faq-a p { color: var(--muted); margin: 0 0 22px; font-size: 16px; }

/* =========================================================================
   FOOTER
   ========================================================================= */
.site-footer { background: #050506; border-top: 1px solid var(--line); padding: 70px 0 30px; margin-top: 0; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; }
.footer-brand .brand { font-size: 30px; margin-bottom: 14px; }
.footer-role { color: var(--volt); font-weight: 700; font-size: 14px; letter-spacing: .5px; margin: 0 0 4px; }
.footer-loc { color: var(--faint); font-size: 14px; margin: 0 0 20px; }
.footer-socials { display: flex; gap: 10px; }
.footer-col h4 { font-size: 13px; letter-spacing: 2px; text-transform: uppercase; color: var(--faint); margin-bottom: 16px; }
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col ul li { margin-bottom: 11px; }
.footer-col ul a { color: #c4c4cc; font-size: 15px; transition: color .18s; }
.footer-col ul a:hover { color: var(--volt); }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; margin-top: 50px; padding-top: 26px; border-top: 1px solid var(--line); }
.footer-bottom p { color: var(--faint); font-size: 13.5px; margin: 0; }

/* =========================================================================
   REVEAL ANIMATION
   ========================================================================= */
/* No-JS safe: content is visible by default; only animate when JS adds .js to <html>. */
.reveal { opacity: 1; transform: none; }
html.js .reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
html.js .reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html.js .reveal { opacity: 1; transform: none; transition: none; }
}

/* =========================================================================
   RESPONSIVE
   ========================================================================= */
@media (max-width: 960px) {
  .split, .contact-grid { grid-template-columns: 1fr; gap: 34px; }
  .split.reverse .split-media { order: 0; }
  .card-grid, .who-grid, .gallery, .steps { grid-template-columns: repeat(2, 1fr); }
  .price-grid { grid-template-columns: 1fr; max-width: 460px; margin: 0 auto; }
  .quote-grid { grid-template-columns: 1fr; }
}
@media (max-width: 800px) {
  .nav { position: fixed; top: 76px; left: 0; right: 0; }
  .nav-links {
    flex-direction: column; align-items: stretch; gap: 4px; background: rgba(12,12,14,.98);
    backdrop-filter: blur(12px); border-bottom: 1px solid var(--line); padding: 14px 20px 22px;
    max-height: 0; overflow: hidden; opacity: 0; pointer-events: none; transition: max-height .3s var(--ease), opacity .25s, padding .3s;
  }
  .nav-links.open { max-height: 460px; opacity: 1; pointer-events: auto; }
  .nav-links a { padding: 13px 12px; font-size: 16px; }
  .nav-cta-mobile { display: block; margin-top: 8px; }
  .nav-cta-mobile .btn { width: 100%; }
  .nav-cta { display: none; }
  .header-socials { display: none; }
  .nav-toggle { display: flex; }
  .section { padding: 72px 0; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(2) { border-right: 0; }
  .stat:nth-child(1), .stat:nth-child(2) { border-bottom: 1px solid var(--line); }
  .cta-inner { flex-direction: column; align-items: flex-start; text-align: left; }
  .cta-actions { width: 100%; }
  .cta-actions .btn { width: 100%; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-bottom { flex-direction: column; gap: 10px; text-align: center; }
}
@media (max-width: 520px) {
  body { font-size: 16px; }
  .card-grid, .who-grid, .steps, .cert-grid { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .hero { min-height: 92vh; }
  .stat { padding: 26px 12px; }
  .footer-grid { grid-template-columns: 1fr; }
}