/* ── Variables ───────────────────────────────────────────────── */
:root {
  --bg:       #09071a;
  --surface:  #110e24;
  --card:     #17142e;
  --border:   #2a2545;
  --purple:   #7c6bf7;
  --violet:   #a855f7;
  --orange:   #ff5500;
  --green:    #10b981;
  --white:    #f0eeff;
  --muted:    #8b89b0;
  --dim:      #4a4870;
  --font:     'Inter', sans-serif;
  --r:        16px;
  --r-sm:     10px;
}

/* ── Reset ───────────────────────────────────────────────────── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { background: var(--bg); color: var(--white); font-family: var(--font); line-height: 1.6; }
a { color: inherit; text-decoration: none; }
img { display: block; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.text-center { text-align: center; }

/* ── Helpers ─────────────────────────────────────────────────── */
.g-text {
  background: linear-gradient(90deg, #7c6bf7, #c084fc, #f472b6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.section-label {
  display: inline-block;
  font-size: .75rem; font-weight: 600;
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--purple);
  background: rgba(124,107,247,.12);
  padding: 4px 12px; border-radius: 100px;
  border: 1px solid rgba(124,107,247,.25);
  margin-bottom: 16px;
}
.section-sub { color: var(--muted); margin-bottom: 40px; font-size: 1rem; }

/* ── Header ──────────────────────────────────────────────────── */
header {
  position: sticky; top: 0; z-index: 100;
  padding: 16px 0;
  background: rgba(9,7,26,.88);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow .3s;
}
header.scrolled { box-shadow: 0 4px 30px rgba(0,0,0,.5); }
.header-inner { display: flex; align-items: center; gap: 32px; }

.logo { display: flex; align-items: center; gap: 8px; font-size: 20px; font-weight: 800; flex-shrink: 0; }
.logo-icon { color: var(--purple); }
.logo-ai  { color: var(--purple); }

nav { display: flex; gap: 24px; margin-left: auto; }
nav a { font-size: .9rem; font-weight: 500; color: var(--muted); position: relative; transition: color .2s; }
nav a::after { content:''; position:absolute; bottom:-4px; left:0; width:0; height:2px; background:var(--purple); transition:width .3s; }
nav a:hover { color: var(--white); }
nav a:hover::after { width: 100%; }

.btn-cta {
  padding: 10px 20px; flex-shrink: 0;
  background: linear-gradient(135deg, var(--purple), var(--violet));
  color: var(--white); font-weight: 600; font-size: .9rem;
  border-radius: var(--r-sm); border: none; cursor: pointer;
  white-space: nowrap; transition: opacity .2s, box-shadow .2s;
}
.btn-cta:hover { opacity: .9; box-shadow: 0 0 20px rgba(124,107,247,.45); }

.mobile-menu-btn {
  display: none; margin-left: auto;
  background: none; border: 1px solid var(--border);
  color: var(--white); font-size: 18px; cursor: pointer;
  padding: 7px 12px; border-radius: 8px;
}
.mobile-nav {
  display: none; flex-direction: column;
  background: var(--surface); border-bottom: 1px solid var(--border);
}
.mobile-nav a { padding: 13px 24px; font-size: .95rem; color: var(--muted); border-bottom: 1px solid var(--border); }
.mobile-nav.open { display: flex; }

/* ── Hero ────────────────────────────────────────────────────── */
.hero { position: relative; overflow: hidden; padding: 100px 0 80px; }
.hero-orb { position: absolute; border-radius: 50%; filter: blur(80px); pointer-events: none; }
.hero-orb-1 { width: 560px; height: 560px; background: rgba(124,107,247,.15); top: -120px; left: -100px; }
.hero-orb-2 { width: 400px; height: 400px; background: rgba(168,85,247,.1); top: 0; right: -60px; }

.hero-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }

.hero-badge {
  display: inline-block; font-size: .8rem; font-weight: 600;
  color: var(--purple); background: rgba(124,107,247,.1);
  border: 1px solid rgba(124,107,247,.3); padding: 6px 14px;
  border-radius: 100px; margin-bottom: 24px;
}
.hero-text h1 { font-size: clamp(2.4rem,5vw,3.6rem); font-weight: 900; line-height: 1.1; margin-bottom: 20px; }
.hero-sub { font-size: 1.1rem; color: var(--muted); max-width: 480px; margin-bottom: 32px; line-height: 1.7; }

.browser-btns { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 16px; }
.btn-browser {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 18px; background: var(--card);
  border: 1px solid var(--border); border-radius: var(--r-sm);
  font-weight: 600; font-size: .9rem; color: var(--white);
  transition: all .2s;
}
.btn-browser img { width: 18px; height: 18px; }
.btn-browser:hover { border-color: var(--purple); box-shadow: 0 0 14px rgba(124,107,247,.2); }
.hero-note { font-size: .8rem; color: var(--dim); }

/* Extension mockup */
.hero-visual { display: flex; justify-content: center; }
.ext-mockup {
  width: 280px; background: #120f1e;
  border: 1px solid #2d2b44; border-radius: 18px; padding: 16px;
  box-shadow: 0 30px 80px rgba(0,0,0,.5), 0 0 60px rgba(124,107,247,.12);
}
.ext-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; }
.ext-logo { font-size: 13px; font-weight: 700; color: var(--purple); }
.ext-actions { font-size: 13px; color: var(--dim); }
.ext-question { font-size: 12px; font-weight: 600; margin-bottom: 10px; }
.ext-chips { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
.chip {
  font-size: 11px; padding: 4px 10px; border-radius: 8px;
  background: rgba(255,255,255,.05); border: 1px solid #2d2b44;
  color: var(--muted);
}
.chip.active { background: rgba(124,107,247,.2); border-color: var(--purple); color: var(--white); }
.ext-divider { border-top: 1px solid #2d2b44; margin: 12px 0; }
.ext-rec-label { font-size: 9px; font-weight: 700; letter-spacing: .1em; color: var(--purple); margin-bottom: 8px; }
.ext-card {
  display: flex; align-items: center; gap: 10px;
  background: linear-gradient(135deg,rgba(124,107,247,.15),rgba(168,85,247,.08));
  border: 1px solid rgba(124,107,247,.3); border-radius: 12px;
  padding: 10px; margin-bottom: 10px;
}
.ext-card-logo { font-size: 22px; }
.ext-card-name { font-size: 13px; font-weight: 700; }
.ext-card-sub  { font-size: 10px; color: var(--muted); }
.ext-card-score {
  margin-left: auto; font-size: 18px; font-weight: 900;
  background: linear-gradient(135deg,var(--purple),var(--violet));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.ext-bar-row { display: flex; align-items: center; gap: 8px; margin-bottom: 5px; font-size: 10px; color: var(--muted); }
.ext-bar { flex: 1; height: 4px; background: #2d2b44; border-radius: 4px; overflow: hidden; }
.ext-fill    { height: 100%; background: linear-gradient(90deg,var(--purple),var(--violet)); border-radius: 4px; }
.ext-fill-hi { background: linear-gradient(90deg,#10b981,#34d399); }

/* ── Stats ───────────────────────────────────────────────────── */
.stats { padding: 40px 0; background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.stats-grid { display: grid; grid-template-columns: repeat(4,1fr); }
.stat { text-align: center; padding: 20px; border-right: 1px solid var(--border); }
.stat:last-child { border-right: none; }
.stat strong {
  display: block; font-size: 2.6rem; font-weight: 900; line-height: 1; margin-bottom: 4px;
  background: linear-gradient(135deg,var(--purple),var(--violet));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.stat span { font-size: .85rem; color: var(--muted); }

/* ── Problem ─────────────────────────────────────────────────── */
.problem { padding: 100px 0; text-align: center; }
.problem h2 { font-size: clamp(2rem,4vw,3rem); font-weight: 800; margin-bottom: 48px; }
.cards-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; text-align: left; }
.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--r); padding: 28px; transition: border-color .3s;
}
.card:hover { border-color: rgba(124,107,247,.4); }
.card-icon { font-size: 2rem; margin-bottom: 12px; }
.card h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; }
.card p  { font-size: .9rem; color: var(--muted); line-height: 1.7; }

/* ── How it works ────────────────────────────────────────────── */
.how { padding: 100px 0; text-align: center; background: var(--surface); }
.how h2 { font-size: clamp(2rem,4vw,3rem); font-weight: 800; margin-bottom: 60px; }
.steps { display: flex; align-items: flex-start; justify-content: center; }
.step { flex: 1; max-width: 280px; padding: 0 20px; }
.step-num { font-size: 3rem; font-weight: 900; color: rgba(124,107,247,.25); line-height: 1; margin-bottom: 12px; }
.step h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; }
.step p  { font-size: .9rem; color: var(--muted); }
.step-arrow { font-size: 2rem; color: var(--dim); padding-top: 18px; flex-shrink: 0; }

/* ── Domains ─────────────────────────────────────────────────── */
.domains { padding: 100px 0; }
.domains h2 { font-size: clamp(2rem,4vw,3rem); font-weight: 800; margin-bottom: 12px; }
.domain-grid { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.domain-chip {
  padding: 10px 22px; background: var(--card);
  border: 1px solid var(--border); border-radius: 100px;
  font-size: .9rem; font-weight: 600; cursor: default;
  transition: all .2s;
}
.domain-chip:hover { border-color: var(--purple); background: rgba(124,107,247,.1); }

/* ── Spotlight ───────────────────────────────────────────────── */
.spotlight { padding: 100px 0; background: var(--surface); }
.spotlight-card {
  max-width: 600px; margin: 0 auto; text-align: center;
  background: linear-gradient(135deg,rgba(255,85,0,.08),rgba(255,150,0,.04));
  border: 1px solid rgba(255,85,0,.25); border-top: 3px solid var(--orange);
  border-radius: var(--r); padding: 40px;
}
.spotlight-badge {
  display: inline-block; font-size: .75rem; font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase;
  color: var(--orange); background: rgba(255,85,0,.1);
  padding: 4px 12px; border-radius: 100px; margin-bottom: 20px;
}
.spotlight-logo    { font-size: 3rem; margin-bottom: 12px; }
.spotlight-name    { font-size: 2rem; font-weight: 900; margin-bottom: 12px; }
.spotlight-tagline { color: var(--muted); margin-bottom: 20px; line-height: 1.6; }
.spotlight-pills   { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; margin-bottom: 24px; }
.spotlight-pills span { padding: 4px 14px; background: rgba(255,255,255,.06); border: 1px solid var(--border); border-radius: 100px; font-size: .8rem; color: var(--muted); }
.btn-spotlight {
  display: inline-block; padding: 12px 28px;
  background: var(--orange); color: var(--white); font-weight: 700;
  border-radius: var(--r-sm); transition: opacity .2s, box-shadow .2s;
}
.btn-spotlight:hover { opacity: .9; box-shadow: 0 0 20px rgba(255,85,0,.4); }

/* ── Download ────────────────────────────────────────────────── */
.download { padding: 100px 0; }
.download h2 { font-size: clamp(2rem,4vw,3rem); font-weight: 800; margin-bottom: 12px; }
.browser-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; margin: 40px 0 32px; }
.browser-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--r); padding: 28px 20px; text-align: center;
  transition: border-color .3s, transform .2s;
}
.browser-card:hover { border-color: rgba(124,107,247,.4); transform: translateY(-3px); }
.browser-featured { border-color: rgba(124,107,247,.3); }
.browser-logo { width: 40px; height: 40px; margin: 0 auto 12px; }
.browser-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 4px; }
.browser-card p  { font-size: .8rem; color: var(--muted); margin-bottom: 16px; }
.btn-dl {
  display: inline-block; padding: 8px 22px;
  background: var(--card); border: 1px solid var(--border);
  border-radius: 8px; font-size: .85rem; font-weight: 600;
  color: var(--white); transition: all .2s;
}
.btn-dl:hover { border-color: var(--purple); background: rgba(124,107,247,.1); }
.btn-dl-accent {
  background: linear-gradient(135deg,rgba(124,107,247,.2),rgba(168,85,247,.15));
  border-color: var(--purple);
}
.btn-dl-accent:hover { background: linear-gradient(135deg,var(--purple),var(--violet)); }

.mobile-teaser {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: .9rem; color: var(--muted); background: var(--card);
  border: 1px solid var(--border); padding: 12px 24px; border-radius: 100px;
}
.link-inline { color: var(--purple); font-weight: 600; }
.link-inline:hover { text-decoration: underline; }

/* ── Partners ────────────────────────────────────────────────── */
.partners { padding: 100px 0; background: var(--surface); }
.partners h2 { font-size: clamp(2rem,4vw,3rem); font-weight: 800; margin-bottom: 48px; }
.partners-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: start; }

.partner-featured {
  background: linear-gradient(135deg,rgba(232,93,4,.09),rgba(232,93,4,.03));
  border: 1px solid rgba(232,93,4,.22); border-top: 3px solid #e85d04;
  border-radius: var(--r);
}
.partner-body   { padding: 28px; }
.partner-head   { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.partner-emoji  { font-size: 2rem; }
.partner-name   { font-size: 1.1rem; font-weight: 800; }
.partner-cat    { font-size: .8rem; color: var(--muted); }
.partner-desc   { font-size: .9rem; color: var(--muted); margin-bottom: 10px; line-height: 1.7; }
.partner-tagline { font-size: .9rem; font-style: italic; color: #e8874a; margin-bottom: 20px; }
.btn-partner {
  display: inline-block; padding: 10px 24px;
  background: #e85d04; color: var(--white); font-weight: 700;
  border-radius: 8px; font-size: .9rem; transition: opacity .2s;
}
.btn-partner:hover { opacity: .9; }

.partner-become { background: var(--card); border: 1px solid var(--border); border-radius: var(--r); padding: 28px; }
.partner-become h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 12px; }
.partner-become p  { font-size: .9rem; color: var(--muted); margin-bottom: 16px; line-height: 1.7; }
.partner-perks { list-style: none; margin-bottom: 24px; }
.partner-perks li { font-size: .9rem; color: var(--muted); padding: 4px 0; }
.btn-contact {
  display: inline-block; padding: 10px 24px;
  background: linear-gradient(135deg,var(--purple),var(--violet));
  color: var(--white); font-weight: 700; border-radius: 8px;
  font-size: .9rem; transition: opacity .2s, box-shadow .2s;
}
.btn-contact:hover { opacity: .9; box-shadow: 0 0 20px rgba(124,107,247,.3); }

/* ── Early Access ────────────────────────────────────────────── */
.early-access { padding: 100px 0; text-align: center; }
.early-inner  { max-width: 560px; margin: 0 auto; }
.early-access h2 { font-size: clamp(1.8rem,4vw,2.8rem); font-weight: 800; margin-bottom: 16px; }
.early-access p  { color: var(--muted); margin-bottom: 32px; }
.signup-form { display: flex; max-width: 440px; margin: 0 auto 12px; }
.signup-form input {
  flex: 1; padding: 14px 18px;
  background: var(--card); border: 1px solid var(--border); border-right: none;
  border-radius: var(--r-sm) 0 0 var(--r-sm); color: var(--white);
  font-size: .95rem; font-family: var(--font); outline: none;
}
.signup-form input::placeholder { color: var(--dim); }
.signup-form input:focus { border-color: var(--purple); }
.signup-form button {
  padding: 14px 22px; background: linear-gradient(135deg,var(--purple),var(--violet));
  color: var(--white); font-weight: 700; font-size: .95rem;
  border: none; border-radius: 0 var(--r-sm) var(--r-sm) 0;
  cursor: pointer; font-family: var(--font); white-space: nowrap; transition: opacity .2s;
}
.signup-form button:hover { opacity: .9; }
.form-note { font-size: .8rem; color: var(--dim); }

/* ── FAQ ─────────────────────────────────────────────────────── */
.faq { padding: 100px 0; background: var(--surface); }
.faq h2 { font-size: clamp(2rem,4vw,3rem); font-weight: 800; margin-bottom: 40px; }
.faq-list { max-width: 720px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-question {
  display: flex; justify-content: space-between; align-items: center;
  width: 100%; padding: 20px 0; background: none; border: none;
  color: var(--white); font-size: 1rem; font-weight: 600;
  font-family: var(--font); cursor: pointer; text-align: left; gap: 16px;
}
.faq-question span { font-size: 1.4rem; color: var(--purple); flex-shrink: 0; transition: transform .3s; }
.faq-item.active .faq-question span { transform: rotate(45deg); }
.faq-answer { overflow: hidden; max-height: 0; transition: max-height .35s ease; }
.faq-item.active .faq-answer { max-height: 200px; }
.faq-answer p { padding: 0 0 20px; color: var(--muted); font-size: .95rem; line-height: 1.7; }
.faq-answer a { color: var(--purple); }
.faq-answer a:hover { text-decoration: underline; }

/* ── Install section ─────────────────────────────────────────── */
.install { padding: 100px 0; }
.install h2 { font-size: clamp(2rem,4vw,3rem); font-weight: 800; margin-bottom: 12px; }

.itabs {
  display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; margin-bottom: 40px;
}
.itab {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 10px 20px; background: var(--card); border: 1px solid var(--border);
  border-radius: 100px; font-size: .9rem; font-weight: 600; color: var(--muted);
  cursor: pointer; transition: all .2s;
}
.itab img { width: 16px; height: 16px; }
.itab:hover { color: var(--white); border-color: rgba(124,107,247,.4); }
.itab.active { background: rgba(124,107,247,.15); border-color: var(--purple); color: var(--white); }

.install-pane { text-align: left; }

.iplatform-note {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: .82rem; color: var(--muted); background: var(--card);
  border: 1px solid var(--border); padding: 8px 16px; border-radius: 100px; margin-bottom: 28px;
}
.iplatform-note::before { content:'ℹ️'; font-size:.9rem; }

.isteps { display: grid; grid-template-columns: repeat(4,1fr); gap: 0; position: relative; }
.istep {
  background: var(--card); border: 1px solid var(--border);
  border-right: none; padding: 28px 24px; position: relative; transition: border-color .2s;
}
.istep:last-child { border-right: 1px solid var(--border); border-radius: 0 var(--r) var(--r) 0; }
.istep:first-child { border-radius: var(--r) 0 0 var(--r); }
.istep:hover { border-color: rgba(124,107,247,.35); z-index: 1; }

.istep-num {
  font-size: .7rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase;
  color: var(--purple); background: rgba(124,107,247,.12); border: 1px solid rgba(124,107,247,.2);
  display: inline-block; padding: 2px 8px; border-radius: 100px; margin-bottom: 14px;
}
.istep-icon { font-size: 1.8rem; margin-bottom: 10px; }
.istep h3 { font-size: .95rem; font-weight: 700; margin-bottom: 6px; }
.istep p  { font-size: .85rem; color: var(--muted); line-height: 1.6; }

.istep-arrow {
  position: absolute; right: -12px; top: 50%; transform: translateY(-50%);
  width: 24px; height: 24px; background: var(--bg); border: 1px solid var(--border);
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 11px; color: var(--purple); z-index: 2;
}

.install-cta-row {
  margin-top: 28px; display: flex; align-items: center; gap: 16px; justify-content: center; flex-wrap: wrap;
}
.btn-install-main {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 28px; background: linear-gradient(135deg,var(--purple),var(--violet));
  color: var(--white); font-weight: 700; font-size: 1rem;
  border-radius: var(--r-sm); text-decoration: none; transition: opacity .2s, box-shadow .2s;
}
.btn-install-main:hover { opacity: .9; box-shadow: 0 0 24px rgba(124,107,247,.4); }
.btn-install-main img { width: 20px; height: 20px; }
.install-note { font-size: .82rem; color: var(--dim); }

@media (max-width: 900px) {
  .isteps { grid-template-columns: 1fr 1fr; }
  .istep:nth-child(2) { border-right: 1px solid var(--border); border-radius: 0 var(--r-sm) 0 0; }
  .istep:first-child { border-radius: var(--r-sm) 0 0 0; }
  .istep:nth-child(3) { border-top: none; border-radius: 0 0 0 var(--r-sm); }
  .istep:last-child { border-top: none; border-right: 1px solid var(--border); border-radius: 0 0 var(--r-sm) 0; }
  .istep-arrow { display: none; }
}
@media (max-width: 600px) {
  .isteps { grid-template-columns: 1fr; }
  .istep { border-right: 1px solid var(--border) !important; border-bottom: none; border-radius: 0 !important; }
  .istep:first-child { border-radius: var(--r-sm) var(--r-sm) 0 0 !important; }
  .istep:last-child  { border-bottom: 1px solid var(--border); border-radius: 0 0 var(--r-sm) var(--r-sm) !important; }
}

/* ── Footer ──────────────────────────────────────────────────── */
footer { background: var(--surface); border-top: 1px solid var(--border); padding: 60px 0 0; }
.footer-inner { display: grid; grid-template-columns: 1fr 3fr; gap: 60px; margin-bottom: 40px; }
.footer-brand p { font-size: .9rem; color: var(--muted); margin-top: 12px; max-width: 200px; }
.footer-links { display: grid; grid-template-columns: repeat(3,1fr); gap: 32px; }
.footer-links h4 { font-size: .82rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; margin-bottom: 12px; }
.footer-links a { display: block; font-size: .9rem; color: var(--muted); margin-bottom: 8px; transition: color .2s; }
.footer-links a:hover { color: var(--white); }
.footer-bottom { border-top: 1px solid var(--border); padding: 20px 0; }
.footer-bottom-inner { display: flex; justify-content: space-between; align-items: center; }
.footer-bottom p { font-size: .85rem; color: var(--dim); }
.footer-browsers { display: flex; gap: 12px; }
.footer-browsers img { width: 20px; height: 20px; opacity: .45; transition: opacity .2s; }
.footer-browsers img:hover { opacity: 1; }

/* ── Scroll reveal animation ─────────────────────────────────── */
@keyframes fade-up {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0);    }
}
.reveal { opacity: 0; }
.reveal.visible { animation: fade-up .55s ease both; }

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 960px) {
  .hero-inner { grid-template-columns: 1fr; text-align: center; }
  .hero-sub, .browser-btns { max-width: 100%; margin-left: auto; margin-right: auto; }
  .browser-btns { justify-content: center; }
  .hero-visual { display: none; }
  .stats-grid { grid-template-columns: repeat(2,1fr); }
  .stat { border-right: none; border-bottom: 1px solid var(--border); }
  .stat:nth-child(odd) { border-right: 1px solid var(--border); }
  .stat:nth-last-child(-n+2) { border-bottom: none; }
  .cards-3 { grid-template-columns: 1fr; }
  .steps { flex-direction: column; align-items: center; gap: 16px; }
  .step-arrow { transform: rotate(90deg); padding: 0; }
  .browser-grid { grid-template-columns: repeat(2,1fr); }
  .partners-layout { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .footer-links { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 600px) {
  nav, .btn-cta { display: none; }
  .mobile-menu-btn { display: block; }
  .signup-form { flex-direction: column; }
  .signup-form input { border-right: 1px solid var(--border); border-radius: var(--r-sm) var(--r-sm) 0 0; }
  .signup-form button { border-radius: 0 0 var(--r-sm) var(--r-sm); }
  .footer-bottom-inner { flex-direction: column; gap: 12px; text-align: center; }
  .footer-links { grid-template-columns: 1fr 1fr; }
}