/* ============================================
   BUSINESS FOCUS — Premium Business Website
   Vanilla CSS3 — Modern 2026
   ============================================ */

/* ---------- Variables ---------- */
:root {
  --c-primary: #0a2540;
  --c-primary-2: #103a66;
  --c-accent: #06b6d4;
  --c-accent-2: #22d3ee;
  --c-bg: #f7fafc;
  --c-surface: #ffffff;
  --c-text: #0f172a;
  --c-muted: #64748b;
  --c-border: #e2e8f0;
  --c-glass: rgba(255,255,255,0.65);

  --shadow-sm: 0 2px 8px rgba(10,37,64,0.06);
  --shadow-md: 0 10px 30px rgba(10,37,64,0.08);
  --shadow-lg: 0 25px 60px rgba(10,37,64,0.12);

  --radius: 16px;
  --radius-lg: 24px;

  --grad: linear-gradient(135deg, #0a2540 0%, #103a66 60%, #06b6d4 130%);
  --grad-soft: linear-gradient(135deg, #e0f2fe 0%, #f1f5f9 100%);

  --font: 'Poppins', 'Inter', system-ui, sans-serif;
}

[data-theme="dark"] {
  --c-primary: #06b6d4;
  --c-primary-2: #22d3ee;
  --c-bg: #0b1220;
  --c-surface: #111a2e;
  --c-text: #e2e8f0;
  --c-muted: #94a3b8;
  --c-border: rgba(255,255,255,0.08);
  --c-glass: rgba(17,26,46,0.65);

  --shadow-md: 0 10px 30px rgba(0,0,0,0.4);
  --shadow-lg: 0 25px 60px rgba(0,0,0,0.5);

  --grad: linear-gradient(135deg, #0a2540 0%, #103a66 60%, #06b6d4 130%);
  --grad-soft: linear-gradient(135deg, #0f1e3a 0%, #0b1220 100%);
}

/* ---------- Reset ---------- */
*,*::before,*::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--c-text);
  background: var(--c-bg);
  line-height: 1.6;
  transition: background .3s, color .3s;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
button { font-family: inherit; cursor: pointer; border: 0; background: transparent; color: inherit; }

/* ---------- Layout: ad-slots + main ---------- */
.layout {
  display: grid;
  grid-template-columns: 200px 1fr 200px;
  gap: 24px;
  max-width: 1600px;
  margin: 0 auto;
  padding: 100px 24px 40px;
}
.main-content { min-width: 0; }

.ad-slot {
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: sticky;
  top: 100px;
  align-self: start;
  height: fit-content;
}
.ad-box {
  background: var(--c-surface);
  border: 1px dashed var(--c-border);
  border-radius: var(--radius);
  padding: 14px;
  text-align: center;
  box-shadow: var(--shadow-sm);
}
.ad-label {
  display: block;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--c-muted);
  margin-bottom: 10px;
}
.ad-placeholder {
  min-height: 360px;
  border-radius: 12px;
  background: var(--grad-soft);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: var(--c-muted);
}
.ad-placeholder i { font-size: 28px; color: var(--c-accent); }
.ad-placeholder p { margin: 0; font-weight: 600; color: var(--c-text); }
.ad-placeholder small { font-size: 11px; }

/* ---------- Navbar ---------- */
.navbar {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100;
  background: var(--c-glass);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--c-border);
  transition: all .3s;
}
.navbar.scrolled { box-shadow: var(--shadow-md); }
.nav-container {
  max-width: 1600px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  gap: 20px;
}
.logo { display: flex; align-items: center; gap: 12px; }
.logo-mark {
  width: 44px; height: 44px; border-radius: 12px;
  background: var(--grad);
  color: #fff;
  display: grid; place-items: center;
  font-weight: 800; font-size: 16px;
  box-shadow: var(--shadow-sm);
}
.logo-text strong { display: block; font-size: 15px; letter-spacing: .5px; }
.logo-text small { display: block; font-size: 10px; color: var(--c-muted); letter-spacing: 2px; text-transform: uppercase; }

.nav-links { display: flex; gap: 6px; }
.nav-links a {
  padding: 10px 14px;
  border-radius: 10px;
  font-weight: 500;
  font-size: 14px;
  color: var(--c-text);
  transition: all .2s;
}
.nav-links a:hover { background: var(--grad-soft); color: var(--c-primary); }

.nav-actions { display: flex; gap: 8px; align-items: center; }
.icon-btn {
  width: 40px; height: 40px;
  border-radius: 10px;
  display: grid; place-items: center;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  color: var(--c-text);
  transition: all .2s;
}
.icon-btn:hover { background: var(--grad); color: #fff; transform: translateY(-2px); }
.hamburger { display: none; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 40px 0 80px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  isolation: isolate;
}
.hero-bg {
  position: absolute; inset: 0;
  background: var(--grad-soft);
  z-index: -1;
  border-radius: var(--radius-lg);
}
.hero-bg::before, .hero-bg::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: .35;
}
.hero-bg::before { width: 380px; height: 380px; background: var(--c-accent); top: -80px; right: -60px; }
.hero-bg::after { width: 300px; height: 300px; background: var(--c-primary); bottom: -80px; left: -40px; }

.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 48px;
  align-items: center;
  padding: 40px;
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--c-surface);
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 12px; font-weight: 600;
  color: var(--c-primary);
  border: 1px solid var(--c-border);
  margin-bottom: 18px;
}
.hero h1 {
  font-size: clamp(28px, 4vw, 48px);
  line-height: 1.15;
  margin: 0 0 18px;
  font-weight: 800;
  letter-spacing: -0.5px;
}
.grad {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.lead { font-size: 17px; color: var(--c-muted); margin: 0 0 28px; max-width: 540px; }

.cta-row { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 32px; }
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 24px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 14px;
  transition: all .2s;
  border: 1px solid transparent;
}
.btn-primary { background: var(--grad); color: #fff; box-shadow: var(--shadow-md); }
.btn-primary:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.btn-ghost { background: var(--c-surface); border-color: var(--c-border); color: var(--c-text); }
.btn-ghost:hover { background: var(--grad); color: #fff; border-color: transparent; }
.btn-block { width: 100%; justify-content: center; }
.btn-loader { display: none; }
.btn.loading .btn-label { display: none; }
.btn.loading .btn-loader { display: inline-flex; }

.hero-founder {
  display: flex; align-items: center; gap: 16px;
  background: var(--c-surface);
  padding: 14px 18px;
  border-radius: var(--radius);
  border: 1px solid var(--c-border);
  box-shadow: var(--shadow-sm);
  max-width: 460px;
  flex-wrap: wrap;
}
.founder-avatar {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--grad);
  display: grid; place-items: center;
  color: #fff; font-size: 18px;
}
.hero-founder small { display: block; font-size: 11px; color: var(--c-muted); text-transform: uppercase; letter-spacing: 1px; }
.hero-founder strong { font-size: 15px; }
.counter-pill {
  margin-left: auto;
  background: var(--grad-soft);
  padding: 8px 14px;
  border-radius: 12px;
  text-align: center;
}
.counter-pill .counter { font-size: 22px; font-weight: 800; color: var(--c-primary); }
.counter-pill small { display: block; font-size: 10px; color: var(--c-muted); }

.hero-visual { position: relative; }
.visual-card {
  aspect-ratio: 4/5;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.glass {
  background: var(--c-glass);
  backdrop-filter: blur(20px);
  border: 1px solid var(--c-border);
}
.visual-placeholder {
  width: 100%; height: 100%;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 10px;
  background: var(--grad-soft);
  color: var(--c-muted);
}
.visual-placeholder i { font-size: 56px; color: var(--c-accent); }
.visual-placeholder p { margin: 0; font-weight: 600; color: var(--c-text); }

.floating {
  position: absolute;
  width: 64px; height: 64px;
  border-radius: 18px;
  background: var(--c-surface);
  display: grid; place-items: center;
  font-size: 24px; color: var(--c-accent);
  box-shadow: var(--shadow-md);
  animation: float 4s ease-in-out infinite;
}
.f1 { top: 8%; left: -28px; }
.f2 { bottom: 18%; right: -24px; animation-delay: 1s; }
.f3 { top: 50%; right: 20%; animation-delay: 2s; }
@keyframes float { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-14px)} }

/* ---------- Sections ---------- */
.section {
  padding: 80px 24px;
  border-radius: var(--radius-lg);
  margin: 40px 0;
}
.section.alt { background: var(--grad-soft); }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 50px; }
.section-head h2 {
  font-size: clamp(26px, 3vw, 38px);
  margin: 14px 0 10px;
  font-weight: 800;
  letter-spacing: -0.3px;
}
.section-head p { color: var(--c-muted); margin: 0; }

/* ---------- Grids ---------- */
.grid { display: grid; gap: 24px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ---------- Flip Cards ---------- */
.flip-card {
  perspective: 1400px;
  min-height: 260px;
}
.flip-inner {
  position: relative;
  width: 100%; height: 100%;
  min-height: 260px;
  transition: transform .8s cubic-bezier(.4,.2,.2,1);
  transform-style: preserve-3d;
  cursor: pointer;
}
.flip-card.flipped .flip-inner { transform: rotateY(180deg); }
.flip-front, .flip-back {
  position: absolute; inset: 0;
  border-radius: var(--radius);
  padding: 28px;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  display: flex; flex-direction: column;
  justify-content: center;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  box-shadow: var(--shadow-sm);
  transition: box-shadow .3s, transform .3s;
}
.flip-front { align-items: center; text-align: center; gap: 14px; }
.flip-front i {
  font-size: 36px;
  width: 70px; height: 70px;
  display: grid; place-items: center;
  border-radius: 18px;
  background: var(--grad);
  color: #fff;
  box-shadow: var(--shadow-md);
}
.flip-front h3 { margin: 0; font-size: 18px; }
.hint { font-size: 12px; color: var(--c-muted); }
.flip-front:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.flip-back { transform: rotateY(180deg); background: var(--grad); color: #fff; }
.flip-back h4 { margin: 0 0 12px; font-size: 18px; }
.flip-back ul li {
  padding: 6px 0; font-size: 14px;
  border-bottom: 1px solid rgba(255,255,255,.15);
}
.flip-back ul li:last-child { border: 0; }

/* ---------- Service cards (design) ---------- */
.service-card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 28px 18px;
  text-align: center;
  transition: all .3s;
  box-shadow: var(--shadow-sm);
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.service-card i {
  font-size: 28px;
  width: 64px; height: 64px;
  display: grid; place-items: center;
  margin: 0 auto 14px;
  border-radius: 16px;
  background: var(--grad-soft);
  color: var(--c-primary);
}
.service-card h4 { margin: 0; font-size: 14px; font-weight: 600; }

/* ---------- Marquee ---------- */
.gallery-block { margin-top: 60px; }
.gallery-block h3 { text-align: center; margin: 0 0 24px; font-size: 22px; }
.marquee {
  overflow: hidden;
  padding: 16px 0;
  mask-image: linear-gradient(to right, transparent, #000 8%, #000 92%, transparent);
}
.marquee-track {
  display: flex; gap: 24px;
  animation: scroll 30s linear infinite;
  width: max-content;
}
@keyframes scroll { from{transform:translateX(0)} to{transform:translateX(-50%)} }
.logo-ph {
  width: 160px; height: 90px;
  border-radius: 14px;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  display: grid; place-items: center;
  font-weight: 700;
  color: var(--c-muted);
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
}

/* ---------- Gallery grid ---------- */
.gallery-grid {
  margin-top: 50px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.gallery-item { overflow: hidden; border-radius: var(--radius); }
.img-ph {
  aspect-ratio: 4/3;
  background: var(--grad-soft);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 10px;
  color: var(--c-muted);
  transition: transform .4s;
  border: 1px solid var(--c-border);
}
.img-ph i { font-size: 36px; color: var(--c-accent); }
.gallery-item:hover .img-ph { transform: scale(1.05); }

/* ---------- Video ---------- */
.video-block { margin-top: 60px; text-align: center; }
.video-block h3 { margin: 0 0 20px; font-size: 22px; }
.video-frame {
  max-width: 900px; margin: 0 auto;
  aspect-ratio: 16/9;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.video-placeholder {
  width: 100%; height: 100%;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  background: var(--grad);
  color: #fff; gap: 14px;
}
.video-placeholder i { font-size: 80px; opacity: .9; }

/* ---------- Stats ---------- */
.stats { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }
.stat {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 30px 20px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: transform .3s;
}
.stat:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.stat i {
  font-size: 26px;
  width: 60px; height: 60px;
  margin: 0 auto 14px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--grad);
  color: #fff;
}
.stat .counter { display: block; font-size: 36px; font-weight: 800; color: var(--c-primary); }
.stat small { color: var(--c-muted); }

/* ---------- Testimonials ---------- */
.testimonials {
  position: relative;
  display: flex; align-items: center; gap: 14px;
}
.t-viewport { flex: 1; overflow: hidden; }
.t-track {
  display: flex;
  transition: transform .5s cubic-bezier(.4,.2,.2,1);
}
.t-card {
  flex: 0 0 100%;
  text-align: center;
  padding: 30px;
  background: var(--c-surface);
  border-radius: var(--radius);
  border: 1px solid var(--c-border);
  box-shadow: var(--shadow-sm);
}
.t-avatar {
  width: 70px; height: 70px; border-radius: 50%;
  background: var(--grad);
  color: #fff;
  display: grid; place-items: center;
  font-size: 26px;
  margin: 0 auto 14px;
}
.t-card p { font-style: italic; color: var(--c-muted); max-width: 560px; margin: 0 auto 14px; }
.t-card strong { display: block; }
.stars { color: #fbbf24; letter-spacing: 3px; margin-top: 6px; }
.t-nav {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  box-shadow: var(--shadow-sm);
  display: grid; place-items: center;
  color: var(--c-primary);
  transition: all .2s;
  flex-shrink: 0;
}
.t-nav:hover { background: var(--grad); color: #fff; }

/* ---------- FAQ ---------- */
.faq { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  overflow: hidden;
}
.faq-q {
  width: 100%;
  text-align: left;
  padding: 18px 22px;
  font-weight: 600;
  display: flex; justify-content: space-between; align-items: center;
  color: var(--c-text);
}
.faq-q i { transition: transform .3s; color: var(--c-accent); }
.faq-item.open .faq-q i { transform: rotate(45deg); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s ease, padding .3s;
  padding: 0 22px;
  color: var(--c-muted);
}
.faq-item.open .faq-a { max-height: 200px; padding-bottom: 18px; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 32px; }
.contact-info {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow-sm);
}
.info-item { display: flex; gap: 14px; margin-bottom: 22px; align-items: flex-start; }
.info-item i {
  font-size: 18px;
  width: 44px; height: 44px;
  display: grid; place-items: center;
  border-radius: 12px;
  background: var(--grad);
  color: #fff;
  flex-shrink: 0;
}
.info-item strong { display: block; margin-bottom: 4px; }
.info-item p { margin: 0; color: var(--c-muted); font-size: 14px; }
.info-actions { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0; }
.info-actions .btn { padding: 10px 16px; font-size: 13px; }
.map { aspect-ratio: 16/10; border-radius: var(--radius); overflow: hidden; margin-top: 14px; }
.map iframe { width: 100%; height: 100%; border: 0; }

.contact-form {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow-sm);
}
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 8px; }
.field input, .field select, .field textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--c-border);
  background: var(--c-bg);
  color: var(--c-text);
  font: inherit;
  font-size: 14px;
  transition: border-color .2s, box-shadow .2s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--c-accent);
  box-shadow: 0 0 0 4px rgba(6,182,212,.15);
}
.row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.radio-row { display: flex; gap: 18px; padding: 8px 0; }
.radio-row label { display: flex; align-items: center; gap: 6px; font-weight: 500; }
.form-note { font-size: 12px; color: var(--c-muted); text-align: center; margin: 14px 0 0; }
.form-msg {
  margin-top: 14px;
  padding: 14px;
  border-radius: 10px;
  font-size: 14px;
  text-align: center;
}
.form-msg.success { background: #d1fae5; color: #065f46; }
.form-msg.error { background: #fee2e2; color: #991b1b; }
.file-preview { margin-top: 10px; display: flex; flex-wrap: wrap; gap: 8px; }
.file-chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 10px;
  background: var(--grad-soft);
  border-radius: 8px;
  font-size: 12px;
  color: var(--c-primary);
}

/* ---------- Footer ---------- */
.footer {
  background: var(--c-primary);
  color: #cbd5e1;
  padding: 60px 24px 24px;
  margin-top: 40px;
}
.footer-grid {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.4fr 1fr;
  gap: 36px;
}
.footer .logo-text strong { color: #fff; }
.footer h5 { color: #fff; font-size: 14px; text-transform: uppercase; letter-spacing: 1.5px; margin: 0 0 14px; }
.footer ul li { margin-bottom: 8px; font-size: 14px; }
.footer ul li a { transition: color .2s; }
.footer ul li a:hover { color: var(--c-accent-2); }
.socials { display: flex; gap: 10px; }
.socials a {
  width: 40px; height: 40px; border-radius: 10px;
  display: grid; place-items: center;
  background: rgba(255,255,255,.08);
  transition: all .2s;
}
.socials a:hover { background: var(--c-accent); transform: translateY(-3px); }
.muted { color: #94a3b8; }
.copyright {
  text-align: center;
  padding-top: 30px;
  margin-top: 40px;
  border-top: 1px solid rgba(255,255,255,.08);
  font-size: 13px;
  color: #94a3b8;
}

/* ---------- Back to top ---------- */
.back-top {
  position: fixed;
  bottom: 24px; right: 24px;
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--grad);
  color: #fff;
  display: grid; place-items: center;
  box-shadow: var(--shadow-lg);
  opacity: 0; visibility: hidden;
  transform: translateY(20px);
  transition: all .3s;
  z-index: 50;
}
.back-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(30px); transition: all .8s cubic-bezier(.4,.2,.2,1); }
.reveal.in { opacity: 1; transform: translateY(0); }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1200px) {
  .layout { grid-template-columns: 160px 1fr 160px; }
  .ad-placeholder { min-height: 280px; }
  .grid-4 { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 980px) {
  .layout { grid-template-columns: 1fr; gap: 16px; padding: 90px 16px 24px; }
  .ad-slot { position: static; flex-direction: row; overflow-x: auto; }
  .ad-box { min-width: 260px; flex-shrink: 0; }
  .ad-placeholder { min-height: 120px; }
  .hero-inner { grid-template-columns: 1fr; padding: 24px; gap: 32px; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }

  .nav-links {
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--c-surface);
    flex-direction: column;
    padding: 16px;
    border-top: 1px solid var(--c-border);
    box-shadow: var(--shadow-md);
    max-height: 0;
    overflow: hidden;
    transition: max-height .3s;
  }
  .nav-links.open { max-height: 400px; padding: 16px; }
  .hamburger { display: grid; }
}

@media (max-width: 600px) {
  .section { padding: 50px 16px; margin: 24px 0; }
  .grid-3, .grid-4, .stats, .gallery-grid, .footer-grid, .row-2 { grid-template-columns: 1fr; }
  .hero { padding: 24px 0 50px; }
  .hero-inner { padding: 16px; }
  .floating { display: none; }
  .nav-actions .icon-btn:not(.hamburger):not(#themeToggle) { display: none; }
  .counter-pill { margin-left: 0; }
}