/* ═══════════════════════════════════════════════════════════
   CommunityOS — Landing Page Stylesheet (v2)
   Jipion Technologies
   Aesthetic: Dark editorial — deep charcoal, rich teal, warm amber
   Fonts: Fraunces (display) + DM Sans (body)
═══════════════════════════════════════════════════════════ */

/* ── 1. CSS Custom Properties ── */
:root {
  --bg-base:        #0d1117;
  --bg-surface:     #131920;
  --bg-raised:      #1a2330;
  --bg-card:        #1e2a38;
  --teal:           #2dd4bf;
  --teal-dim:       #1a9e8f;
  --teal-glow:      rgba(45,212,191,.12);
  --amber:          #f59e0b;
  --amber-dim:      rgba(245,158,11,.12);
  --wa-green:       #25d366;
  --white:          #ffffff;
  --text-primary:   #e8edf2;
  --text-secondary: #8fa3b8;
  --text-muted:     #4a6278;
  --border:         rgba(255,255,255,.07);
  --border-bright:  rgba(45,212,191,.25);
  --shadow-sm:  0 2px 8px rgba(0,0,0,.3);
  --shadow-md:  0 8px 32px rgba(0,0,0,.4);
  --shadow-lg:  0 20px 60px rgba(0,0,0,.5);
  --shadow-teal: 0 8px 32px rgba(45,212,191,.2);
  --radius-sm:  8px;
  --radius-md:  14px;
  --radius-lg:  22px;
  --font-display: 'Fraunces', Georgia, serif;
  --font-body:    'DM Sans', -apple-system, sans-serif;
  --max-w: 1180px;
  --header-h: 80px;
  --transition: 0.25s cubic-bezier(.4,0,.2,1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; -webkit-text-size-adjust: 100%; }
body { font-family: var(--font-body); background: var(--bg-base); color: var(--text-primary); line-height: 1.65; overflow-x: hidden; }
img { max-width: 100%; height: auto; display: block; }
a   { text-decoration: none; color: inherit; }
ul  { list-style: none; }

.container { width: 100%; max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }
.section { padding: 100px 0; }

.section-label {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: .72rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 16px;
  padding: 4px 12px;
  background: var(--teal-glow);
  border: 1px solid rgba(45,212,191,.2);
  border-radius: 50px;
}

.section-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.18;
  color: var(--text-primary);
  margin-bottom: 20px;
}
.section-title em { font-style: italic; color: var(--teal); }

.section-sub {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 560px;
  margin-bottom: 48px;
  line-height: 1.75;
}

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 24px; border-radius: 50px;
  font-family: var(--font-body); font-weight: 600; font-size: .9rem;
  cursor: pointer; border: 1.5px solid transparent;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--primary { background: var(--teal); color: var(--bg-base); border-color: var(--teal); font-weight: 700; }
.btn--primary:hover { box-shadow: var(--shadow-teal); background: #38e8d4; border-color: #38e8d4; }

.btn--ghost { background: transparent; color: var(--text-primary); border-color: var(--border-bright); }
.btn--ghost:hover { background: var(--teal-glow); border-color: var(--teal); color: var(--teal); }

.btn--wa { background: var(--wa-green); color: var(--white); border-color: var(--wa-green); }
.btn--wa:hover { background: #1da851; border-color: #1da851; box-shadow: 0 8px 24px rgba(37,211,102,.35); }

.btn--lg { padding: 14px 32px; font-size: 1rem; }
.btn--full { width: 100%; justify-content: center; }

.btn-loader { display: none; width: 18px; height: 18px; border: 2px solid rgba(13,17,23,.3); border-top-color: var(--bg-base); border-radius: 50%; animation: spin .7s linear infinite; }
.btn--loading .btn-loader { display: inline-block; }
.btn--loading .btn-text   { opacity: .5; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Badge ── */
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 14px; background: var(--amber-dim); color: var(--amber);
  border: 1px solid rgba(245,158,11,.3); border-radius: 50px;
  font-size: .78rem; font-weight: 600; letter-spacing: .04em; margin-bottom: 24px;
}
.badge::before { content: ''; width: 6px; height: 6px; background: var(--amber); border-radius: 50%; animation: blink 2s ease-in-out infinite; }
@keyframes blink { 0%,100% { opacity: 1; } 50% { opacity: .3; } }

/* ── Scroll animations ── */
.fade-up { opacity: 0; transform: translateY(40px); transition: opacity .7s cubic-bezier(.16,1,.3,1), transform .7s cubic-bezier(.16,1,.3,1); }
.fade-up.visible { opacity: 1; transform: translateY(0); }
.fade-up--delay  { transition-delay: .15s; }
.fade-up--delay2 { transition-delay: .3s; }

/* ── Screenshot Card ── */
.screenshot-card { background: var(--bg-card); border-radius: var(--radius-lg); border: 1px solid var(--border); box-shadow: var(--shadow-lg); overflow: hidden; }
.screenshot-card__bar { display: flex; gap: 6px; padding: 12px 16px; background: var(--bg-raised); border-bottom: 1px solid var(--border); }
.screenshot-card__bar span { width: 11px; height: 11px; border-radius: 50%; }
.screenshot-card__bar span:nth-child(1) { background: #ff6058; }
.screenshot-card__bar span:nth-child(2) { background: #ffbd2e; }
.screenshot-card__bar span:nth-child(3) { background: #28ca40; }

.screenshot-placeholder { width: 100%; aspect-ratio: 16/9; background: linear-gradient(135deg, var(--bg-raised) 0%, var(--bg-card) 100%); display: flex; align-items: center; justify-content: center; }
.screenshot-placeholder__inner { text-align: center; color: var(--text-muted); padding: 20px; }
.screenshot-placeholder__inner svg { margin: 0 auto 12px; opacity: .3; color: var(--teal); }
.screenshot-placeholder__inner p   { font-weight: 500; font-size: .95rem; margin-bottom: 4px; color: var(--text-secondary); }
.screenshot-placeholder__inner small { font-size: .75rem; opacity: .6; }
.feat-icon { font-size: 2.5rem; display: block; margin-bottom: 12px; }


/* ══════════════════════════════════════════ HEADER ══════════════════════════════════════════ */
.header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(13,17,23,.88);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.header.scrolled { border-color: var(--border); box-shadow: 0 4px 32px rgba(0,0,0,.4); }
.header__inner { height: var(--header-h); display: flex; align-items: center; gap: 32px; }

.logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo__mark { width: 34px; height: 34px; background: var(--teal); color: var(--bg-base); border-radius: 8px; display: grid; place-items: center; font-family: var(--font-display); font-weight: 700; font-size: 1.1rem; }
.logo__text { font-family: var(--font-display); font-weight: 600; font-size: 1.2rem; color: var(--text-primary); }

.nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.nav__link { padding: 8px 16px; border-radius: 50px; font-weight: 500; font-size: .875rem; color: var(--text-secondary); transition: color var(--transition), background var(--transition); }
.nav__link:hover { color: var(--text-primary); background: var(--bg-raised); }

.header__actions { display: flex; align-items: center; gap: 12px; }

.hamburger { display: none; flex-direction: column; gap: 5px; width: 36px; height: 36px; padding: 8px; background: none; border: none; cursor: pointer; }
.hamburger span { display: block; height: 2px; background: var(--text-primary); border-radius: 2px; transition: transform var(--transition), opacity var(--transition); }
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-nav { display: none; flex-direction: column; padding: 16px 24px 24px; border-top: 1px solid var(--border); gap: 4px; background: var(--bg-surface); }
.mobile-nav .nav__link { padding: 14px 0; border-bottom: 1px solid var(--border); font-size: 1rem; color: var(--text-secondary); }
.mobile-nav .nav__link:last-of-type { border-bottom: none; }


/* ══════════════════════════════════════════ HERO ══════════════════════════════════════════ */
.hero {
  position: relative; padding: 96px 0 112px; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; top: -10%; left: 50%; transform: translateX(-50%);
  width: 900px; height: 600px;
  background: radial-gradient(ellipse at center, rgba(45,212,191,.1) 0%, transparent 70%);
  pointer-events: none;
}
.hero__bg-grid {
  position: absolute; inset: 0;
  background-image: radial-gradient(circle, rgba(45,212,191,.12) 1px, transparent 1px);
  background-size: 32px 32px; opacity: .6; pointer-events: none;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 40%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 40%, transparent 100%);
}
.hero__inner { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 72px; position: relative; }
.hero__title { font-family: var(--font-display); font-weight: 500; font-size: clamp(2.8rem, 5.5vw, 4.2rem); line-height: 1.08; color: var(--text-primary); margin-bottom: 24px; letter-spacing: -.01em; }
.hero__title em { font-style: italic; color: var(--teal); }
.hero__sub { font-size: 1.1rem; color: var(--text-secondary); max-width: 440px; margin-bottom: 40px; line-height: 1.75; }
.hero__ctas { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 24px; }
.hero__note { font-size: .82rem; color: var(--text-muted); }

.hero__visual { position: relative; }
.hero__visual::before {
  content: ''; position: absolute; inset: -20px;
  background: radial-gradient(ellipse at center, rgba(45,212,191,.1) 0%, transparent 70%);
  pointer-events: none; border-radius: var(--radius-lg);
}

.screenshot-card--hero .screenshot-placeholder { aspect-ratio: 16/10; }

.hero__stat-chips { display: flex; gap: 10px; margin-top: 16px; flex-wrap: wrap; }
.stat-chip { background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px; padding: 10px 16px; box-shadow: var(--shadow-sm); display: flex; flex-direction: column; gap: 2px; transition: border-color var(--transition), transform var(--transition); }
.stat-chip:hover { border-color: var(--border-bright); transform: translateY(-2px); }
.stat-chip strong { font-family: var(--font-display); font-weight: 600; font-size: 1.3rem; color: var(--text-primary); }
.stat-chip span { font-size: .72rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: .06em; }
.stat-chip--accent { background: var(--teal); border-color: var(--teal); }
.stat-chip--accent strong, .stat-chip--accent span { color: var(--bg-base); }


/* ══════════════════════════════════════════ PROBLEM ══════════════════════════════════════════ */
.problem { background: var(--bg-surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.problem .section-title, .problem .section-sub { text-align: center; max-width: 640px; margin-left: auto; margin-right: auto; }
.problem .section-title { margin-bottom: 12px; }
.problem .section-label { display: block; text-align: center; }

.pain-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }

.pain-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 28px;
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
  position: relative; overflow: hidden;
}
.pain-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--teal), transparent); opacity: 0; transition: opacity var(--transition);
}
.pain-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); border-color: rgba(45,212,191,.2); }
.pain-card:hover::before { opacity: 1; }
.pain-card__icon { font-size: 2rem; margin-bottom: 14px; }
.pain-card h3 { font-family: var(--font-display); font-weight: 500; font-size: 1rem; margin-bottom: 10px; color: var(--text-primary); }
.pain-card p { font-size: .875rem; color: var(--text-secondary); line-height: 1.65; }


/* ══════════════════════════════════════════ SOLUTION ══════════════════════════════════════════ */
.solution { background: var(--bg-base); position: relative; overflow: hidden; }
.solution::before {
  content: ''; position: absolute; right: -200px; top: 50%; transform: translateY(-50%);
  width: 600px; height: 600px; background: radial-gradient(circle, rgba(45,212,191,.06) 0%, transparent 70%); pointer-events: none;
}
.solution__inner { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 72px; position: relative; }
.solution__list { display: flex; flex-direction: column; gap: 0; margin-top: 8px; }
.solution__list li { display: flex; align-items: flex-start; gap: 12px; font-size: .95rem; color: var(--text-secondary); padding: 12px 0; border-bottom: 1px solid var(--border); }
.solution__list li:last-child { border-bottom: none; }
.solution__list li svg { color: var(--teal); flex-shrink: 0; margin-top: 2px; }


/* ══════════════════════════════════════════ FEATURES ══════════════════════════════════════════ */
.features { background: var(--bg-surface); border-top: 1px solid var(--border); }
.features .section-title, .features .section-sub { text-align: center; margin-left: auto; margin-right: auto; }
.features .section-label { display: block; text-align: center; }

.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }

.feature-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-md);
  overflow: hidden; display: flex; flex-direction: column;
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}
.feature-card:hover { box-shadow: 0 12px 40px rgba(0,0,0,.5); transform: translateY(-5px); border-color: rgba(45,212,191,.2); }
.feature-card__screenshot { flex-shrink: 0; }
.feature-card__screenshot img { width: 100%; }
.feature-card__screenshot .screenshot-placeholder { aspect-ratio: 16/9; }
.feature-card__body { padding: 22px; flex: 1; display: flex; flex-direction: column; }
.feature-card__body h3 { font-family: var(--font-display); font-weight: 500; font-size: 1rem; color: var(--text-primary); margin-bottom: 8px; }
.feature-card__body p { font-size: .875rem; color: var(--text-secondary); line-height: 1.65; flex: 1; margin-bottom: 14px; }
.value-tag { display: inline-block; font-size: .76rem; font-weight: 600; color: var(--teal); background: var(--teal-glow); border: 1px solid rgba(45,212,191,.2); border-radius: 6px; padding: 4px 10px; }


/* ══════════════════════════════════════════ PREMIUM ══════════════════════════════════════════ */
.premium { background: var(--bg-base); position: relative; overflow: hidden; }
.premium::after {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse 60% 80% at 0% 50%, rgba(45,212,191,.05) 0%, transparent 60%), radial-gradient(ellipse 40% 60% at 100% 50%, rgba(245,158,11,.04) 0%, transparent 60%);
  pointer-events: none;
}
.premium .section-title em { color: var(--teal); }
.premium__inner { display: grid; grid-template-columns: 1fr 1fr; align-items: start; gap: 96px; position: relative; z-index: 1; }

.pillars { display: flex; flex-direction: column; }
.pillar { display: flex; gap: 20px; align-items: flex-start; padding: 28px 0; border-bottom: 1px solid var(--border); transition: transform var(--transition); }
.pillar:first-child { padding-top: 0; }
.pillar:last-child { border-bottom: none; padding-bottom: 0; }
.pillar:hover { transform: translateX(6px); }
.pillar__num { font-family: var(--font-display); font-size: 1.4rem; font-weight: 300; color: var(--teal); opacity: .4; flex-shrink: 0; width: 40px; line-height: 1; padding-top: 4px; }
.pillar h4 { font-family: var(--font-display); font-weight: 500; font-size: 1rem; color: var(--text-primary); margin-bottom: 6px; }
.pillar p { font-size: .875rem; color: var(--text-secondary); line-height: 1.65; }


/* ══════════════════════════════════════════ DEMO FORM ══════════════════════════════════════════ */
.demo-section { background: var(--bg-surface); border-top: 1px solid var(--border); }
.demo__inner { display: grid; grid-template-columns: 1fr 1fr; align-items: start; gap: 80px; }
.demo__contact-links { display: flex; flex-direction: column; gap: 12px; margin-top: 8px; }

.contact-link {
  display: inline-flex; align-items: center; gap: 10px; padding: 14px 20px;
  border-radius: 12px; font-weight: 600; font-size: .9rem; width: fit-content;
  border: 1px solid transparent; transition: transform var(--transition), border-color var(--transition);
}
.contact-link:hover { transform: translateX(5px); }
.contact-link--wa { background: rgba(37,211,102,.1); color: #4ddc7f; border-color: rgba(37,211,102,.2); }
.contact-link--email { background: var(--teal-glow); color: var(--teal); border-color: rgba(45,212,191,.2); }

.demo-form { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 40px; box-shadow: var(--shadow-lg); display: flex; flex-direction: column; gap: 20px; }

.form-group { display: flex; flex-direction: column; gap: 7px; }
.form-group label { font-weight: 600; font-size: .78rem; color: var(--text-secondary); letter-spacing: .06em; text-transform: uppercase; }
.form-group input, .form-group textarea {
  width: 100%; padding: 13px 16px; border: 1.5px solid var(--border); border-radius: var(--radius-sm);
  font-family: var(--font-body); font-size: .95rem; color: var(--text-primary); background: var(--bg-raised); outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--text-muted); }
.form-group input:focus, .form-group textarea:focus { border-color: var(--teal); box-shadow: 0 0 0 3px rgba(45,212,191,.1); }
.form-group input.error, .form-group textarea.error { border-color: #f87171; }
.form-group textarea { resize: vertical; min-height: 88px; }
.form-error { font-size: .78rem; color: #f87171; min-height: 18px; }

.form-success { background: var(--bg-card); border: 1px solid var(--border-bright); border-radius: var(--radius-lg); padding: 48px 40px; text-align: center; box-shadow: var(--shadow-teal); }
.form-success__icon { font-size: 3rem; margin-bottom: 16px; }
.form-success h3 { font-family: var(--font-display); font-weight: 500; font-size: 1.5rem; color: var(--text-primary); margin-bottom: 10px; }
.form-success p { color: var(--text-secondary); font-size: .95rem; line-height: 1.65; }


/* ══════════════════════════════════════════ CONTACT ══════════════════════════════════════════ */
.contact { background: var(--bg-base); border-top: 1px solid var(--border); }
.contact__inner { text-align: center; }
.contact .section-label { display: block; text-align: center; }
.contact-cards { display: flex; gap: 20px; justify-content: center; flex-wrap: wrap; margin-top: 0; }
.contact-card { display: flex; align-items: center; gap: 16px; padding: 24px 32px; border-radius: var(--radius-md); border: 1px solid var(--border); background: var(--bg-card); min-width: 240px; transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition); }
.contact-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); border-color: var(--border-bright); }
.contact-card__icon { width: 52px; height: 52px; border-radius: 12px; display: grid; place-items: center; }
.contact-card--wa .contact-card__icon { background: rgba(37,211,102,.12); color: #4ddc7f; }
.contact-card--email .contact-card__icon { background: var(--teal-glow); color: var(--teal); }
.contact-card strong { display: block; font-weight: 700; font-size: .9rem; color: var(--text-primary); margin-bottom: 4px; }
.contact-card p { font-size: .9rem; color: var(--text-secondary); }


/* ══════════════════════════════════════════ FOOTER ══════════════════════════════════════════ */
.footer { background: var(--bg-surface); border-top: 1px solid var(--border); padding: 48px 0; }
.footer__inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.footer .logo__mark { background: var(--teal); color: var(--bg-base); }
.footer .logo__text { color: var(--text-primary); }
.footer__tagline { font-size: .82rem; color: var(--text-muted); line-height: 1.5; margin-top: 4px; }
.footer__tagline em { color: var(--text-secondary); font-style: italic; }
.footer__links { display: flex; gap: 24px; flex-wrap: wrap; align-items: center; }
.footer__links a { font-size: .85rem; color: var(--text-muted); transition: color var(--transition); }
.footer__links a:hover { color: var(--teal); }
.footer__copy { width: 100%; text-align: center; font-size: .8rem; color: var(--text-muted); padding-top: 24px; border-top: 1px solid var(--border); }


/* ══════════════════════════════════════════ FLOATING WHATSAPP ══════════════════════════════════════════ */
.wa-float { position: fixed; bottom: 28px; right: 28px; z-index: 200; width: 56px; height: 56px; background: var(--wa-green); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: var(--white); box-shadow: 0 8px 24px rgba(37,211,102,.4); transition: transform var(--transition), box-shadow var(--transition); }
.wa-float:hover { transform: scale(1.1); box-shadow: 0 12px 36px rgba(37,211,102,.55); }
.wa-float__tooltip { position: absolute; right: 68px; background: var(--bg-card); color: var(--text-primary); border: 1px solid var(--border); font-size: .78rem; font-weight: 600; padding: 6px 12px; border-radius: 8px; white-space: nowrap; opacity: 0; pointer-events: none; transform: translateX(6px); transition: opacity var(--transition), transform var(--transition); }
.wa-float__tooltip::after { content: ''; position: absolute; right: -5px; top: 50%; transform: translateY(-50%); border: 5px solid transparent; border-left-color: var(--border); border-right: none; }
.wa-float:hover .wa-float__tooltip { opacity: 1; transform: translateX(0); }
.wa-float::before { content: ''; position: absolute; width: 100%; height: 100%; border-radius: 50%; background: var(--wa-green); opacity: .35; animation: pulse 2.4s ease-out infinite; }
@keyframes pulse { 0% { transform: scale(1); opacity: .35; } 70% { transform: scale(1.65); opacity: 0; } 100% { opacity: 0; } }


/* ══════════════════════════════════════════ RESPONSIVE ══════════════════════════════════════════ */
@media (max-width: 900px) {
  .section { padding: 80px 0; }
  .hero__inner        { grid-template-columns: 1fr; gap: 48px; }
  .hero__visual       { order: -1; }
  .hero__sub          { max-width: 100%; }
  .solution__inner    { grid-template-columns: 1fr; gap: 40px; }
  .features-grid      { grid-template-columns: repeat(2, 1fr); }
  .pain-grid          { grid-template-columns: repeat(2, 1fr); }
  .premium__inner     { grid-template-columns: 1fr; gap: 48px; }
  .demo__inner        { grid-template-columns: 1fr; gap: 40px; }
  .nav { display: none; }
  .hamburger { display: flex; }
  .mobile-nav.open { display: flex; }
}

@media (max-width: 600px) {
  .section { padding: 64px 0; }
  .container { padding: 0 18px; }
  .hero { padding: 64px 0 80px; }
  .hero__title { font-size: clamp(2.2rem, 8vw, 3rem); }
  .hero__ctas { flex-direction: column; }
  .hero__ctas .btn { width: 100%; justify-content: center; }
  .hero__stat-chips { gap: 8px; }
  .stat-chip { flex: 1; min-width: 0; }
  .pain-grid     { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .demo-form { padding: 28px 18px; }
  .form-success { padding: 36px 20px; }
  .demo__inner   { gap: 32px; }
  .demo__contact-links { flex-direction: row; flex-wrap: wrap; }
  .contact-link  { flex: 1; min-width: 140px; justify-content: center; }
  .contact-cards { flex-direction: column; align-items: center; }
  .contact-card  { width: 100%; max-width: 340px; }
  .footer__inner { flex-direction: column; align-items: flex-start; gap: 20px; }
  .footer__links { gap: 16px; }
  .wa-float { bottom: 20px; right: 20px; }
  .pillar:hover { transform: none; }
}

/* ── Logo image sizing ── */
.logo {
  height: auto;
  width: 150px;
  max-height: auto;
  object-fit: contain;
  display: block;
}

.footer_logo {
  height: 50px;
  width: 150px;
  max-height: 50px;
  object-fit: contain;
  display: block;
}

.logo__text
{
  height: auto;
  width: auto;
  max-height: auto;
  object-fit: contain;
  display: block;
}

/* Footer logo fallback */
.footer .logo { height: 36px; max-height: 36px; }