/* ============================================================
   Completely Win Co., Ltd. — Design System
   Brand: green #087830 / red #D00010 (from CW logo)
   Type:  Poppins (Latin/numerals) + Kanit (Thai) — loopless
   ============================================================ */

:root {
  /* Brand */
  --green-950: #082B18;
  --green-900: #0C3B22;
  --green-800: #0B5227;
  --green-700: #0A662C;
  --green-600: #087830;   /* brand */
  --green-500: #12924100;
  --green-100: #DDEFE2;
  --green-50:  #EFF7F1;
  --red-600:   #D00010;   /* brand accent — use sparingly */
  --red-50:    #FCEEEF;

  /* Neutrals */
  --ink:       #121B15;
  --ink-2:     #33413A;
  --muted:     #5D6D63;
  --line:      #E2E9E4;
  --bg:        #F6F8F6;
  --surface:   #FFFFFF;

  /* Type */
  --font: 'Poppins', 'Kanit', system-ui, sans-serif;

  /* Rhythm */
  --r-sm: 10px;
  --r-md: 16px;
  --r-lg: 24px;
  --shadow-sm: 0 1px 2px rgba(8, 43, 24, .06);
  --shadow-md: 0 4px 14px rgba(8, 43, 24, .08), 0 2px 4px rgba(8, 43, 24, .05);
  --shadow-lg: 0 12px 36px rgba(8, 43, 24, .12), 0 4px 12px rgba(8, 43, 24, .06);

  --ease: cubic-bezier(.4, 0, .2, 1);
  --ease-out: cubic-bezier(0, 0, .2, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  font-weight: 300;
  color: var(--ink-2);
  background: var(--surface);
  line-height: 1.8;
  font-size: 16px;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { color: var(--ink); font-weight: 500; line-height: 1.35; margin: 0 0 .5em; }
p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

/* ---- Bilingual toggle ---- */
.en { display: none !important; }
body.lang-en .en { display: revert !important; }
body.lang-en .th { display: none !important; }
body.lang-en { line-height: 1.65; }

/* ---- Layout ---- */
.container { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.section { padding: 88px 0; }
.section.tight { padding: 64px 0; }
.section.alt { background: var(--bg); }
.section.dark { background: var(--green-900); color: #CBDCD1; }
.section.dark h2, .section.dark h3 { color: #fff; }

/* Brand dual-rule motif (green + red, from CI) */
.rule { display: inline-flex; align-items: center; gap: 6px; margin-bottom: 18px; }
.rule::before { content: ''; width: 44px; height: 3px; background: var(--green-600); border-radius: 2px; }
.rule::after  { content: ''; width: 14px; height: 3px; background: var(--red-600); border-radius: 2px; }

.eyebrow {
  display: block;
  font-size: 13px; font-weight: 500;
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--green-600);
  margin-bottom: 14px;
}
.section.dark .eyebrow { color: #7FBF95; }

.h-section { font-size: clamp(26px, 4vw, 36px); font-weight: 600; letter-spacing: -.01em; }
.h-card { font-size: 19px; font-weight: 500; }
.lead { font-size: 17px; color: var(--muted); max-width: 640px; }
.section.dark .lead { color: #9DB8A8; }
.section.dark .card .ic svg { stroke: #7FBF95; }
.center { text-align: center; }
.center .rule::before { order: 0; }
.center .lead { margin-left: auto; margin-right: auto; }

/* ---- Header / Nav ---- */
.header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; gap: 28px; height: 76px; }
.nav-logo img { height: 46px; width: auto; }
.nav-links { display: flex; gap: 26px; margin-left: auto; align-items: center; }
.nav-links a {
  font-size: 14.5px; font-weight: 400; color: var(--ink-2);
  padding: 6px 2px; position: relative; white-space: nowrap;
  transition: color .15s var(--ease);
}
.nav-links a:hover { color: var(--green-600); }
.nav-links a.active { color: var(--green-600); font-weight: 500; }
.nav-links a.active::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: -2px;
  height: 2px; background: var(--green-600); border-radius: 1px;
}
.nav-cta {
  background: var(--green-600); color: #fff !important; font-weight: 500;
  padding: 10px 22px; border-radius: 999px;
  transition: background .15s var(--ease), transform .1s, box-shadow .15s;
}
.nav-cta:hover { background: var(--green-700); color: #fff !important; transform: translateY(-1px); box-shadow: 0 4px 14px rgba(8, 120, 48, .3); }
.nav-cta.active::after { display: none; }

.lang-switch {
  display: inline-flex; border: 1px solid var(--line); border-radius: 999px;
  overflow: hidden; font-size: 12.5px; font-weight: 500;
}
.lang-switch button {
  border: 0; background: transparent; padding: 6px 12px; cursor: pointer;
  font-family: inherit; font-weight: 500; color: var(--muted);
  transition: background .15s, color .15s;
}
.lang-switch button.on { background: var(--green-600); color: #fff; }

.nav-burger {
  display: none; margin-left: auto;
  width: 44px; height: 44px; border: 0; background: transparent; cursor: pointer;
  flex-direction: column; justify-content: center; align-items: center; gap: 5px;
}
.nav-burger span { width: 22px; height: 2px; background: var(--ink); border-radius: 1px; transition: transform .2s var(--ease), opacity .2s; }
.nav-burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-burger.open span:nth-child(2) { opacity: 0; }
.nav-burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---- Hero (home) ---- */
.hero { background: linear-gradient(180deg, #FBFDFB 0%, var(--bg) 100%); overflow: hidden; }
.hero-grid {
  display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px;
  align-items: center; padding-top: 72px; padding-bottom: 84px;
}
.hero h1 {
  font-size: clamp(30px, 4.6vw, 46px);
  font-weight: 600; letter-spacing: -.015em; line-height: 1.3;
  margin-bottom: 20px;
}
.hero h1 .accent { color: var(--green-600); }
.hero .sub { font-size: 17px; color: var(--muted); max-width: 520px; margin-bottom: 30px; }
.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 34px; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: inherit; font-size: 15.5px; font-weight: 500;
  padding: 13px 28px; border-radius: 999px; cursor: pointer; border: 0;
  transition: background .15s var(--ease), transform .1s, box-shadow .15s, border-color .15s;
}
.btn:active { transform: scale(.98); }
.btn svg { width: 16px; height: 16px; flex: 0 0 auto; stroke: currentColor; }
.btn-primary { background: var(--green-600); color: #fff; }
.btn-primary:hover { background: var(--green-700); transform: translateY(-1px); box-shadow: 0 6px 18px rgba(8, 120, 48, .32); }
.btn-ghost { background: transparent; color: var(--ink); border: 1.5px solid #C9D4CC; }
.btn-ghost:hover { border-color: var(--green-600); color: var(--green-600); transform: translateY(-1px); }
.btn-white { background: #fff; color: var(--green-800); }
.btn-white:hover { transform: translateY(-1px); box-shadow: 0 6px 18px rgba(0, 0, 0, .18); }
.btn-outline-w { background: transparent; color: #fff; border: 1.5px solid rgba(255,255,255,.45); }
.btn-outline-w:hover { border-color: #fff; transform: translateY(-1px); }

.hero-chips { display: flex; gap: 10px; flex-wrap: wrap; }
.chip {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 12.5px; font-weight: 500; letter-spacing: .08em;
  color: var(--green-800); background: var(--green-50);
  border: 1px solid var(--green-100);
  padding: 7px 14px; border-radius: 999px;
}
.chip svg { width: 14px; height: 14px; stroke: var(--green-600); }

.hero-visual { position: relative; }
.hero-visual .photo {
  border-radius: var(--r-lg); overflow: hidden; box-shadow: var(--shadow-lg);
  aspect-ratio: 7/5;
}
.hero-visual .photo img { width: 100%; height: 100%; object-fit: cover; }
.float-card {
  position: absolute; background: #fff; border-radius: var(--r-md);
  box-shadow: var(--shadow-lg); padding: 14px 18px;
  display: flex; gap: 12px; align-items: center;
}
.float-card .ic {
  width: 40px; height: 40px; border-radius: 12px; flex: 0 0 auto;
  display: grid; place-items: center;
}
.float-card .ic svg { width: 20px; height: 20px; }
.float-card .num { font-weight: 600; font-size: 17px; color: var(--ink); line-height: 1.2; }
.float-card .lbl { font-size: 12px; color: var(--muted); line-height: 1.4; }
.fc-1 { left: -26px; bottom: 26px; }
.fc-2 { right: -14px; top: 22px; }
.ic-green { background: var(--green-50); } .ic-green svg { stroke: var(--green-600); }
.ic-red { background: var(--red-50); } .ic-red svg { stroke: var(--red-600); }

/* ---- Page hero (inner pages) ---- */
.page-hero { position: relative; background: var(--green-900); color: #C4D8CB; overflow: hidden; }
.page-hero .container { position: relative; z-index: 2; padding-top: 84px; padding-bottom: 84px; }
.page-hero h1 { color: #fff; font-size: clamp(28px, 4.2vw, 42px); font-weight: 600; letter-spacing: -.01em; max-width: 720px; }
.page-hero .lead { color: #A7C2B1; }
.page-hero .eyebrow { color: #7FBF95; }
.page-hero::after {
  content: ''; position: absolute; inset: 0;
  background:
    radial-gradient(640px 320px at 85% 20%, rgba(8, 120, 48, .35), transparent 70%),
    radial-gradient(520px 300px at 100% 100%, rgba(208, 0, 16, .12), transparent 70%);
}
.crumbs { font-size: 13px; margin-bottom: 22px; color: #8FAE9B; }
.crumbs a { color: #B8D2C2; }
.crumbs a:hover { color: #fff; }
.crumbs .sep { margin: 0 8px; opacity: .5; }

/* ---- Cards ---- */
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--r-md); padding: 30px 28px;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease), border-color .2s;
}
.card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: #CFDCD3; }
.card .ic {
  width: 46px; height: 46px; border-radius: 13px;
  background: var(--green-50); display: grid; place-items: center; margin-bottom: 18px;
}
.card .ic svg { width: 22px; height: 22px; stroke: var(--green-600); }
.card p { font-size: 14.5px; color: var(--muted); }
.card .more { font-size: 14px; font-weight: 500; color: var(--green-600); display: inline-flex; align-items: center; gap: 6px; margin-top: 6px; }
.card .more svg { width: 14px; height: 14px; stroke: currentColor; transition: transform .15s var(--ease); }
.card:hover .more svg { transform: translateX(3px); }

/* photo cards */
.pcard { overflow: hidden; padding: 0; display: flex; flex-direction: column; }
.pcard .ph { aspect-ratio: 16/9; overflow: hidden; }
.pcard .ph img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s var(--ease); }
.pcard:hover .ph img { transform: scale(1.04); }
.pcard .body { padding: 24px 26px 28px; }

/* check list */
.checks { list-style: none; margin: 0; padding: 0; display: grid; gap: 9px; }
.checks li { display: flex; gap: 10px; align-items: flex-start; font-size: 14.5px; color: var(--ink-2); }
.checks li::before {
  content: ''; flex: 0 0 auto; width: 18px; height: 18px; margin-top: 4px;
  background: var(--green-50); border-radius: 50%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23087830' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 13l4 4 10-10'/%3E%3C/svg%3E");
  background-size: 10px; background-position: center; background-repeat: no-repeat;
}

/* split feature rows */
.feature { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.feature + .feature { margin-top: 84px; }
.feature .ph { border-radius: var(--r-lg); overflow: hidden; box-shadow: var(--shadow-md); }
.feature .ph img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4/3; }
.feature.rev .ph { order: 2; }
.feature h3 { font-size: clamp(22px, 3vw, 27px); font-weight: 600; }
.feature .lead { font-size: 15.5px; margin-bottom: 20px; }

/* brand panel (Water Products) */
.brandbox {
  aspect-ratio: 4/3; box-shadow: none !important;
  background: linear-gradient(160deg, var(--green-50), #fff);
  border: 1px solid var(--line);
  display: grid; place-items: center;
}
.brand-lines { display: grid; gap: 14px; width: 78%; }
.bl {
  background: #fff; border: 1px solid var(--line); border-radius: 12px;
  padding: 14px 20px; display: flex; justify-content: space-between;
  align-items: baseline; gap: 12px; box-shadow: var(--shadow-sm);
}
.bl strong { font-weight: 600; font-size: 16px; color: var(--ink); }
.bl span { font-size: 12.5px; color: var(--muted); text-align: right; }

/* ---- Steps / workflow ---- */
.steps { display: grid; grid-template-columns: repeat(7, 1fr); gap: 10px; counter-reset: step; }
.steps.six { grid-template-columns: repeat(6, 1fr); }
.steps.five { grid-template-columns: repeat(5, 1fr); }
.step { text-align: center; padding: 22px 10px 18px; border-radius: var(--r-md); background: var(--surface); border: 1px solid var(--line); position: relative; }
.step .n {
  counter-increment: step;
  width: 38px; height: 38px; margin: 0 auto 12px; border-radius: 50%;
  background: var(--green-600); color: #fff;
  display: grid; place-items: center; font-weight: 600; font-size: 15px;
}
.step .n::before { content: counter(step, decimal-leading-zero); }
.step:nth-child(3) .n, .step:nth-child(6) .n { background: var(--red-600); }
.step .t { font-size: 14px; font-weight: 500; color: var(--ink); line-height: 1.4; }
.step .d { font-size: 12px; color: var(--muted); line-height: 1.55; margin-top: 4px; }

/* ---- Stats band ---- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat { text-align: center; padding: 8px 0; }
.stat .num { font-size: clamp(30px, 4vw, 40px); font-weight: 600; color: #fff; line-height: 1.15; }
.stat .num .unit { font-size: .55em; font-weight: 500; margin-left: 4px; color: #8FD3A6; }
.stat .lbl { font-size: 13.5px; color: #9DB8A8; margin-top: 6px; }

/* ---- Twin expertise (home) ---- */
.twin { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.twin-card {
  border-radius: var(--r-lg); overflow: hidden; position: relative;
  color: #fff; padding: 40px 36px; min-height: 380px;
  display: flex; flex-direction: column; justify-content: flex-end;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease);
}
.twin-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.twin-card .bg { position: absolute; inset: 0; }
.twin-card .bg img { width: 100%; height: 100%; object-fit: cover; }
.twin-card .bg::after { content: ''; position: absolute; inset: 0; }
.twin-water .bg::after { background: linear-gradient(185deg, rgba(8,43,24,.18) 0%, rgba(8,59,34,.92) 72%); }
.twin-energy .bg::after { background: linear-gradient(185deg, rgba(20,16,10,.12) 0%, rgba(12,32,20,.93) 72%); }
.twin-card > * { position: relative; }
.twin-card .tag {
  position: absolute; top: 28px; left: 36px;
  font-size: 12px; font-weight: 600; letter-spacing: .16em;
  padding: 7px 14px; border-radius: 999px; backdrop-filter: blur(6px);
  background: rgba(255,255,255,.16); border: 1px solid rgba(255,255,255,.28);
}
.twin-card h3 { color: #fff; font-size: 25px; font-weight: 600; margin-bottom: 8px; }
.twin-card p { color: rgba(255,255,255,.82); font-size: 14.5px; max-width: 400px; }
.twin-card .items { display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 0 20px; }
.twin-card .items span {
  font-size: 12px; font-weight: 400; padding: 5px 12px; border-radius: 999px;
  background: rgba(255,255,255,.13); border: 1px solid rgba(255,255,255,.2);
}
.twin-card .more { color: #fff; font-weight: 500; font-size: 14.5px; display: inline-flex; gap: 8px; align-items: center; }
.twin-card .more svg { width: 15px; height: 15px; stroke: #fff; transition: transform .15s; }
.twin-card:hover .more svg { transform: translateX(4px); }

/* ---- Partners ---- */
.partners { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }
.partner {
  font-size: 14.5px; font-weight: 500; color: var(--ink-2);
  background: var(--surface); border: 1px solid var(--line); border-radius: 12px;
  padding: 14px 26px; display: inline-flex; align-items: center; gap: 10px;
}
.partner .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green-600); }
.partner:nth-child(even) .dot { background: var(--red-600); }
.partner small { display: block; font-size: 11.5px; color: var(--muted); font-weight: 300; }

/* ---- Industry chips ---- */
.inds { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.ind {
  display: flex; align-items: center; gap: 12px;
  background: var(--surface); border: 1px solid var(--line); border-radius: 12px;
  padding: 14px 18px; font-size: 14px; font-weight: 400; color: var(--ink-2);
}
.ind svg { width: 20px; height: 20px; stroke: var(--green-600); flex: 0 0 auto; }

/* ---- Tables (SLA) ---- */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--r-md); background: #fff; }
table.sla { width: 100%; border-collapse: collapse; font-size: 14px; min-width: 640px; }
.sla th, .sla td { padding: 14px 18px; text-align: center; border-bottom: 1px solid var(--line); }
.sla th { background: var(--green-50); color: var(--green-900); font-weight: 500; font-size: 13.5px; }
.sla td:first-child, .sla th:first-child { text-align: left; font-weight: 400; color: var(--ink); }
.sla tr:last-child td { border-bottom: 0; }
.sla .yes { color: var(--green-600); font-weight: 600; }
.sla .no { color: #B9C4BD; }
.sla .gold { background: #FDFAF2; }

/* ---- Package cards ---- */
.pk { position: relative; display: flex; flex-direction: column; }
.pk .pk-head { margin-bottom: 18px; }
.pk .pk-name { font-size: 20px; font-weight: 600; color: var(--ink); }
.pk .pk-sub { font-size: 13px; color: var(--muted); }
.pk .checks { margin-bottom: 22px; }
.pk .pk-note { margin-top: auto; font-size: 13px; color: var(--green-800); background: var(--green-50); border-radius: 10px; padding: 10px 14px; }
.pk.featured { border: 1.5px solid var(--green-600); box-shadow: var(--shadow-md); }
.pk .flag {
  position: absolute; top: -12px; right: 20px;
  background: var(--red-600); color: #fff; font-size: 11.5px; font-weight: 500;
  letter-spacing: .06em; padding: 4px 12px; border-radius: 999px;
}

/* ---- CTA band ---- */
.cta-band { position: relative; overflow: hidden; background: var(--green-900); }
.cta-band .bg { position: absolute; inset: 0; }
.cta-band .bg img { width: 100%; height: 100%; object-fit: cover; opacity: .22; }
.cta-band .bg::after { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, var(--green-950) 8%, rgba(8,43,24,.55) 100%); }
.cta-inner { position: relative; z-index: 2; padding: 84px 0; max-width: 660px; }
.cta-inner h2 { color: #fff; font-size: clamp(26px, 3.6vw, 34px); font-weight: 600; }
.cta-inner p { color: #A7C2B1; font-size: 16px; margin-bottom: 28px; }
.cta-inner .btns { display: flex; gap: 14px; flex-wrap: wrap; }

/* ---- Contact page ---- */
.contact-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: start; }
.c-item { display: flex; gap: 16px; align-items: flex-start; padding: 22px 0; border-bottom: 1px solid var(--line); }
.c-item:last-child { border-bottom: 0; }
.c-item .ic { width: 44px; height: 44px; border-radius: 12px; background: var(--green-50); display: grid; place-items: center; flex: 0 0 auto; }
.c-item .ic svg { width: 20px; height: 20px; stroke: var(--green-600); }
.c-item .t { font-size: 13px; color: var(--muted); }
.c-item .v { font-size: 17px; font-weight: 500; color: var(--ink); }
.c-item .v a:hover { color: var(--green-600); }
.c-item .d { font-size: 13px; color: var(--muted); }
.map-card { border-radius: var(--r-lg); overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow-sm); }
.map-card .ph { aspect-ratio: 4/3; }
.map-card .ph img { width: 100%; height: 100%; object-fit: cover; }
.map-card .body { padding: 24px 26px; background: #fff; }

/* ---- Footer ---- */
.footer { background: var(--green-950); color: #9DB8A8; font-size: 14px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; padding: 64px 0 48px; }
.footer h4 { color: #fff; font-size: 14.5px; font-weight: 500; letter-spacing: .04em; margin-bottom: 16px; }
.footer a { display: block; padding: 4px 0; color: #9DB8A8; transition: color .15s; }
.footer a:hover { color: #fff; }
.footer .logo-chip { background: #fff; border-radius: 12px; padding: 10px 14px; display: inline-block; margin-bottom: 16px; }
.footer .logo-chip img { height: 44px; }
.footer .desc { font-size: 13.5px; line-height: 1.75; max-width: 300px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 20px 0; font-size: 12.5px; color: #6E8A7A;
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
}
.footer .tagline { color: #7FBF95; }
.footer .tagline .r { color: #E4737C; }

/* ---- Reveal animation ---- */
.rv { opacity: 0; transform: translateY(18px); transition: opacity .5s var(--ease-out), transform .5s var(--ease-out); }
.rv.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  .rv { opacity: 1; transform: none; }
}

/* ---- Responsive ---- */
@media (max-width: 1020px) {
  .steps, .steps.six { grid-template-columns: repeat(3, 1fr); }
  .steps.five { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .inds { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 880px) {
  .section { padding: 64px 0; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; padding-top: 48px; padding-bottom: 64px; }
  .hero-visual { max-width: 560px; }
  .fc-1 { left: 8px; bottom: -18px; }
  .fc-2 { right: 8px; top: -14px; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .twin { grid-template-columns: 1fr; }
  .feature, .feature.rev { grid-template-columns: 1fr; gap: 28px; }
  .feature.rev .ph { order: 0; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }

  /* mobile nav */
  .nav-burger { display: flex; }
  .nav .lang-switch { margin-left: 0; }
  .nav-links {
    position: fixed; inset: 76px 0 auto 0; z-index: 49;
    flex-direction: column; align-items: stretch; gap: 0;
    background: #fff; border-bottom: 1px solid var(--line);
    padding: 10px 24px 22px;
    transform: translateY(-8px); opacity: 0; pointer-events: none;
    transition: transform .2s var(--ease), opacity .2s var(--ease);
    box-shadow: var(--shadow-lg);
  }
  .nav-links.open { transform: none; opacity: 1; pointer-events: auto; }
  .nav-links a { padding: 13px 4px; font-size: 16px; border-bottom: 1px solid var(--bg); }
  .nav-links a.active::after { display: none; }
  .nav-cta { margin-top: 14px; text-align: center; justify-content: center; display: inline-flex; }
}
@media (max-width: 560px) {
  .steps, .steps.six, .steps.five { grid-template-columns: repeat(2, 1fr); }
  .inds { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .nav-logo img { height: 38px; }
  .float-card { padding: 10px 14px; }
  .float-card .num { font-size: 15px; }
}