/* =====================================================================
   THREADLY — SHARED STYLESHEET
   Used by all industry landing pages
   ===================================================================== */

/* BRAND COLOUR VARIABLES */
:root {
  --brand-primary:       #2B3176;
  --brand-primary-dark:  #1F2560;
  --brand-primary-light: #ECEEFF;
  --brand-accent:        #00AEEF;
  --brand-accent-light:  #E0F6FF;
  --navy:        #0F172A;
  --slate-dark:  #1E293B;
  --slate-mid:   #475569;
  --slate-light: #94A3B8;
  --border:      #E2E8F0;
  --bg-soft:     #F8FAFC;
  --white:       #FFFFFF;
  --ch-phone:    #7C3AED;
  --ch-webchat:  #00AEEF;
  --ch-whatsapp: #059669;
  --ch-email:    #2563EB;
}

/* RESET */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif; color: var(--slate-dark); background: var(--white); line-height: 1.6; font-size: 16px; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }

/* UTILITY */
.container        { max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.container--narrow{ max-width: 760px;  margin: 0 auto; padding: 0 24px; }
.section          { padding: 96px 0; }
.section--sm      { padding: 64px 0; }
.section--alt     { background: var(--bg-soft); }
.section--dark    { background: var(--navy); color: var(--white); }

.tag { display: inline-flex; align-items: center; gap: 6px; background: var(--brand-primary-light); color: var(--brand-primary); font-size: 12px; font-weight: 600; letter-spacing: .05em; text-transform: uppercase; padding: 4px 12px; border-radius: 99px; margin-bottom: 16px; }
.tag--white { background: rgba(255,255,255,.15); color: var(--white); }

h1 { font-size: clamp(36px, 5vw, 60px); font-weight: 800; line-height: 1.1; letter-spacing: -.02em; }
h2 { font-size: clamp(28px, 3.5vw, 42px); font-weight: 800; line-height: 1.2; letter-spacing: -.02em; }
h3 { font-size: 20px; font-weight: 700; line-height: 1.3; }
h4 { font-size: 16px; font-weight: 600; }
p  { color: var(--slate-mid); line-height: 1.7; }

/* BUTTONS */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 14px 28px; border-radius: 10px; font-size: 15px; font-weight: 600; cursor: pointer; border: none; transition: all .18s ease; white-space: nowrap; }
.btn--primary { background: var(--brand-primary); color: var(--white); box-shadow: 0 4px 14px rgba(43,49,118,.35); }
.btn--primary:hover { background: var(--brand-primary-dark); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(43,49,118,.4); }
.btn--outline { background: transparent; color: var(--slate-dark); border: 2px solid var(--border); }
.btn--outline:hover { border-color: var(--brand-primary); color: var(--brand-primary); background: var(--brand-primary-light); }
.btn--white { background: var(--white); color: var(--brand-primary); box-shadow: 0 4px 14px rgba(0,0,0,.12); }
.btn--white:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(0,0,0,.18); }
.btn--lg { padding: 18px 36px; font-size: 17px; border-radius: 12px; }

/* GRID */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

@media (max-width: 900px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .hero__inner { grid-template-columns: 1fr; }
  .hero__mockup { display: none; }
  .hero__actions { flex-direction: column; align-items: flex-start; }
  .pain__grid { grid-template-columns: 1fr; }
  .how__steps { grid-template-columns: 1fr; }
  .how__steps::before { display: none; }
  .sla-band__inner { grid-template-columns: 1fr; }
  .pricing__grid { grid-template-columns: 1fr; }
}

/* NAV */
.nav { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,.92); backdrop-filter: blur(12px); border-bottom: 1px solid var(--border); }
.nav__inner { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 32px; }
.nav__logo { display: flex; align-items: center; gap: 10px; font-size: 20px; font-weight: 800; color: var(--navy); }
.nav__logo-icon { width: 34px; height: 34px; background: var(--brand-primary); border-radius: 8px; display: flex; align-items: center; justify-content: center; }
.nav__logo-icon svg { color: white; }
.nav__links { display: flex; align-items: center; gap: 4px; list-style: none; flex: 1; margin-left: 24px; }
.nav__links a { font-size: 14px; font-weight: 500; color: var(--slate-mid); padding: 8px 14px; border-radius: 8px; transition: all .15s; }
.nav__links a:hover { color: var(--brand-primary); background: var(--brand-primary-light); }
.nav__cta { display: flex; align-items: center; gap: 12px; }
.nav__cta .btn { padding: 10px 20px; font-size: 14px; border-radius: 8px; }
@media (max-width: 768px) { .nav__links { display: none; } .nav__cta .btn--outline { display: none; } }

/* HERO */
.hero { padding: 100px 0 80px; background: linear-gradient(160deg, #ECEEFF 0%, var(--white) 60%); overflow: hidden; position: relative; }
.hero::before { content: ''; position: absolute; top: -100px; right: -200px; width: 700px; height: 700px; background: radial-gradient(circle, rgba(43,49,118,.06) 0%, transparent 70%); pointer-events: none; }
.hero__inner { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.hero__eyebrow { display: inline-flex; align-items: center; gap: 8px; background: var(--brand-primary-light); color: var(--brand-primary); font-size: 13px; font-weight: 600; padding: 6px 14px; border-radius: 99px; margin-bottom: 20px; }
.hero__eyebrow-dot { width: 6px; height: 6px; background: var(--brand-accent); border-radius: 50%; animation: pulse 2s infinite; }
@keyframes pulse { 0%,100% { opacity:1; transform:scale(1); } 50% { opacity:.5; transform:scale(1.4); } }
.hero h1 { margin-bottom: 24px; color: var(--navy); }
.hero h1 span { color: var(--brand-primary); }
.hero__sub { font-size: 18px; line-height: 1.7; color: var(--slate-mid); margin-bottom: 36px; max-width: 520px; }
.hero__actions { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.hero__footnote { margin-top: 14px; font-size: 13px; color: var(--slate-light); display: flex; align-items: center; gap: 6px; }
.hero__footnote svg { color: var(--brand-accent); }

/* MOCKUP */
.hero__mockup { background: var(--white); border: 1px solid var(--border); border-radius: 16px; box-shadow: 0 24px 80px rgba(0,0,0,.12), 0 4px 16px rgba(0,0,0,.06); overflow: hidden; aspect-ratio: 4/3; position: relative; }
.mockup__bar { height: 40px; background: var(--navy); display: flex; align-items: center; padding: 0 16px; gap: 8px; }
.mockup__dot { width: 10px; height: 10px; border-radius: 50%; }
.mockup__content { display: grid; grid-template-columns: 180px 1fr; height: calc(100% - 40px); }
.mockup__sidebar { background: #0F172A; padding: 16px 0; border-right: 1px solid rgba(255,255,255,.06); }
.mockup__sidebar-item { padding: 8px 16px; font-size: 11px; color: rgba(255,255,255,.5); display: flex; align-items: center; gap: 8px; margin-bottom: 2px; }
.mockup__sidebar-item.active { background: rgba(43,49,118,.3); color: white; border-radius: 6px; margin: 0 8px 4px; padding: 8px; }
.mockup__sidebar-dot { width: 6px; height: 6px; border-radius: 50%; }
.mockup__main { padding: 16px; background: #F8FAFC; }
.mockup__row { background: white; border: 1px solid #E2E8F0; border-radius: 8px; padding: 10px 12px; margin-bottom: 6px; display: flex; align-items: center; gap: 10px; }
.mockup__badge { font-size: 9px; font-weight: 700; padding: 2px 6px; border-radius: 4px; white-space: nowrap; }
.mockup__line { height: 8px; border-radius: 4px; background: #E2E8F0; }

/* TRUST BAR */
.trust { padding: 40px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.trust__label { font-size: 12px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--slate-light); text-align: center; margin-bottom: 28px; }
.trust__logos { display: flex; align-items: center; justify-content: center; gap: 48px; flex-wrap: wrap; }
.trust__logo-item { display: flex; align-items: center; gap: 8px; font-size: 15px; font-weight: 700; color: #CBD5E1; letter-spacing: -.01em; }
.trust__logo-icon { width: 28px; height: 28px; background: #E2E8F0; border-radius: 6px; }

/* PAIN POINTS */
.pain { background: var(--navy); color: var(--white); padding: 96px 0; }
.pain__intro { text-align: center; margin-bottom: 64px; }
.pain__intro h2 { color: white; margin-bottom: 16px; }
.pain__intro p { color: rgba(255,255,255,.6); font-size: 18px; max-width: 560px; margin: 0 auto; }
.pain__grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 28px; }
.pain__card { background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.08); border-radius: 16px; padding: 32px; transition: all .2s; }
.pain__card:hover { background: rgba(255,255,255,.08); transform: translateY(-4px); }
.pain__icon { width: 48px; height: 48px; border-radius: 12px; background: rgba(43,49,118,.3); border: 1px solid rgba(43,49,118,.4); display: flex; align-items: center; justify-content: center; margin-bottom: 20px; font-size: 22px; }
.pain__card h3 { color: white; margin-bottom: 12px; font-size: 18px; }
.pain__card p { color: rgba(255,255,255,.55); font-size: 14px; line-height: 1.7; }

/* FEATURES */
.features__intro { text-align: center; margin-bottom: 64px; }
.features__intro h2 { margin-bottom: 16px; }
.features__intro p { font-size: 18px; max-width: 560px; margin: 0 auto; }
.feature-card { background: var(--white); border: 1px solid var(--border); border-radius: 16px; padding: 32px; transition: all .2s; }
.feature-card:hover { border-color: var(--brand-primary); box-shadow: 0 8px 32px rgba(43,49,118,.1); transform: translateY(-2px); }
.feature-card__icon { width: 48px; height: 48px; border-radius: 12px; background: var(--brand-primary-light); display: flex; align-items: center; justify-content: center; margin-bottom: 20px; font-size: 22px; }
.feature-card h3 { margin-bottom: 10px; }
.feature-card p { font-size: 14px; }

/* CHANNELS */
.channels__intro { text-align: center; margin-bottom: 64px; }
.channels__intro h2 { margin-bottom: 16px; }
.channels__intro p { font-size: 18px; max-width: 580px; margin: 0 auto; }
.channel-card { border-radius: 16px; padding: 32px; border: 1px solid var(--border); background: var(--white); position: relative; overflow: hidden; transition: all .2s; }
.channel-card:hover { transform: translateY(-3px); box-shadow: 0 12px 40px rgba(0,0,0,.08); }
.channel-card__accent { position: absolute; top: 0; left: 0; right: 0; height: 3px; }
.channel-card__icon { width: 44px; height: 44px; border-radius: 10px; display: flex; align-items: center; justify-content: center; margin-bottom: 16px; font-size: 20px; color: white; }
.channel-card h3 { margin-bottom: 8px; }
.channel-card__desc { font-size: 14px; margin-bottom: 16px; }
.channel-card__use { font-size: 12px; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; color: var(--slate-light); margin-bottom: 8px; }
.channel-card__example { font-size: 13px; color: var(--slate-mid); background: var(--bg-soft); border-radius: 8px; padding: 10px 12px; border-left: 3px solid; font-style: italic; }
.ch--phone .channel-card__accent, .ch--phone .channel-card__icon { background: var(--ch-phone); }
.ch--phone .channel-card__example { border-color: var(--ch-phone); }
.ch--webchat .channel-card__accent, .ch--webchat .channel-card__icon { background: var(--ch-webchat); }
.ch--webchat .channel-card__example { border-color: var(--ch-webchat); }
.ch--whatsapp .channel-card__accent, .ch--whatsapp .channel-card__icon { background: var(--ch-whatsapp); }
.ch--whatsapp .channel-card__example { border-color: var(--ch-whatsapp); }
.ch--email .channel-card__accent, .ch--email .channel-card__icon { background: var(--ch-email); }
.ch--email .channel-card__example { border-color: var(--ch-email); }

/* HOW IT WORKS */
.how__intro { text-align: center; margin-bottom: 64px; }
.how__intro h2 { margin-bottom: 16px; }
.how__intro p { font-size: 18px; max-width: 520px; margin: 0 auto; }
.how__steps { display: grid; grid-template-columns: repeat(3,1fr); gap: 48px; position: relative; }
.how__steps::before { content: ''; position: absolute; top: 28px; left: calc(16.6% + 16px); right: calc(16.6% + 16px); height: 2px; background: linear-gradient(90deg, var(--brand-primary-light), var(--border), var(--brand-primary-light)); z-index: 0; }
.how__step { text-align: center; position: relative; z-index: 1; }
.how__step-num { width: 56px; height: 56px; border-radius: 50%; background: var(--brand-primary); color: white; font-size: 20px; font-weight: 800; display: flex; align-items: center; justify-content: center; margin: 0 auto 20px; box-shadow: 0 4px 16px rgba(43,49,118,.3); }
.how__step h3 { margin-bottom: 8px; }
.how__step p { font-size: 14px; }

/* SLA BAND */
.sla-band { background: linear-gradient(135deg, var(--brand-primary) 0%, var(--brand-primary-dark) 100%); padding: 80px 0; color: white; }
.sla-band__inner { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.sla-band h2 { color: white; margin-bottom: 20px; }
.sla-band p { color: rgba(255,255,255,.7); font-size: 17px; margin-bottom: 32px; }
.sla-band__stats { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.sla-stat { background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.15); border-radius: 12px; padding: 20px; }
.sla-stat__num { font-size: 32px; font-weight: 800; color: white; margin-bottom: 4px; }
.sla-stat__label { font-size: 13px; color: rgba(255,255,255,.6); }
.sla-band__visual { background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.12); border-radius: 16px; padding: 24px; }
.sla-row { display: flex; align-items: center; justify-content: space-between; padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,.08); }
.sla-row:last-child { border-bottom: none; }
.sla-row__label { font-size: 13px; color: rgba(255,255,255,.7); }
.sla-badge { font-size: 11px; font-weight: 700; padding: 3px 10px; border-radius: 99px; }
.sla-badge--ok { background: rgba(16,185,129,.2); color: #34D399; }
.sla-badge--warn { background: rgba(245,158,11,.2); color: #FCD34D; }
.sla-badge--breach { background: rgba(239,68,68,.2); color: #FCA5A5; }
.sla-timer { font-size: 12px; color: rgba(255,255,255,.4); font-variant-numeric: tabular-nums; }

/* PRICING */
.pricing__intro { text-align: center; margin-bottom: 56px; }
.pricing__intro h2 { margin-bottom: 16px; }
.pricing__intro p { font-size: 18px; max-width: 520px; margin: 0 auto; margin-bottom: 24px; }
.pricing__toggle { display: inline-flex; background: var(--bg-soft); border: 1px solid var(--border); border-radius: 99px; padding: 4px; }
.pricing__toggle button { padding: 8px 20px; border-radius: 99px; border: none; cursor: pointer; font-size: 13px; font-weight: 600; background: none; color: var(--slate-light); transition: all .2s; }
.pricing__toggle button.active { background: var(--white); color: var(--brand-primary); box-shadow: 0 2px 8px rgba(0,0,0,.08); }
.pricing__grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; align-items: start; margin-top: 48px; }
.pricing-card { border: 1px solid var(--border); border-radius: 20px; padding: 36px; background: var(--white); position: relative; }
.pricing-card--featured { border-color: var(--brand-primary); box-shadow: 0 0 0 4px var(--brand-primary-light), 0 20px 60px rgba(43,49,118,.12); }
.pricing-card__popular { position: absolute; top: -14px; left: 50%; transform: translateX(-50%); background: var(--brand-primary); color: white; font-size: 11px; font-weight: 700; letter-spacing: .05em; text-transform: uppercase; padding: 4px 16px; border-radius: 99px; }
.pricing-card__name { font-size: 14px; font-weight: 600; color: var(--slate-mid); margin-bottom: 8px; }
.pricing-card__price { font-size: 48px; font-weight: 800; color: var(--navy); margin-bottom: 4px; letter-spacing: -.02em; }
.pricing-card__price span { font-size: 18px; font-weight: 500; color: var(--slate-mid); }
.pricing-card__desc { font-size: 14px; color: var(--slate-mid); margin-bottom: 28px; padding-bottom: 28px; border-bottom: 1px solid var(--border); }
.pricing-card__features { list-style: none; margin-bottom: 32px; }
.pricing-card__features li { display: flex; align-items: flex-start; gap: 10px; font-size: 14px; color: var(--slate-dark); padding: 7px 0; }
.pricing-card__features li::before { content: '✓'; color: var(--brand-primary); font-weight: 700; flex-shrink: 0; margin-top: 1px; }
.pricing-card__features li.muted { color: var(--slate-light); }
.pricing-card__features li.muted::before { color: var(--slate-light); content: '—'; }
.pricing-card .btn { width: 100%; justify-content: center; }

/* TESTIMONIALS */
.testi__intro { text-align: center; margin-bottom: 56px; }
.testi__intro h2 { margin-bottom: 16px; }
.testi__intro p { font-size: 18px; max-width: 520px; margin: 0 auto; }
.testi-card { background: var(--white); border: 1px solid var(--border); border-radius: 16px; padding: 32px; }
.testi-card__stars { color: #F59E0B; font-size: 18px; margin-bottom: 16px; }
.testi-card__quote { font-size: 16px; line-height: 1.7; color: var(--slate-dark); margin-bottom: 24px; font-style: italic; }
.testi-card__author { display: flex; align-items: center; gap: 12px; }
.testi-card__avatar { width: 44px; height: 44px; border-radius: 50%; background: var(--brand-primary-light); color: var(--brand-primary); display: flex; align-items: center; justify-content: center; font-size: 15px; font-weight: 700; flex-shrink: 0; }
.testi-card__name { font-size: 14px; font-weight: 700; color: var(--navy); }
.testi-card__role { font-size: 12px; color: var(--slate-light); }

/* FAQ */
.faq__intro { text-align: center; margin-bottom: 56px; }
.faq__intro h2 { margin-bottom: 16px; }
.faq__intro p { font-size: 18px; max-width: 520px; margin: 0 auto; }
.faq__list { max-width: 760px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--border); padding: 24px 0; cursor: pointer; }
.faq-item:first-child { border-top: 1px solid var(--border); }
.faq-item__q { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.faq-item__q h4 { font-size: 16px; color: var(--navy); }
.faq-item__icon { width: 28px; height: 28px; border-radius: 50%; background: var(--bg-soft); border: 1px solid var(--border); display: flex; align-items: center; justify-content: center; flex-shrink: 0; font-size: 16px; color: var(--slate-mid); transition: all .2s; }
.faq-item.open .faq-item__icon { background: var(--brand-primary); color: white; border-color: var(--brand-primary); transform: rotate(45deg); }
.faq-item__a { display: none; padding-top: 14px; font-size: 15px; color: var(--slate-mid); line-height: 1.7; }
.faq-item.open .faq-item__a { display: block; }

/* CTA BANNER */
.cta-banner { background: linear-gradient(135deg, #0F172A 0%, var(--brand-primary) 100%); padding: 100px 0; text-align: center; color: white; }
.cta-banner h2 { color: white; margin-bottom: 20px; max-width: 680px; margin-left: auto; margin-right: auto; }
.cta-banner p { color: rgba(255,255,255,.65); font-size: 18px; margin-bottom: 40px; max-width: 520px; margin-left: auto; margin-right: auto; }
.cta-banner__actions { display: flex; align-items: center; justify-content: center; gap: 16px; flex-wrap: wrap; }
.cta-banner__note { margin-top: 20px; font-size: 13px; color: rgba(255,255,255,.4); }

/* FOOTER */
.footer { background: var(--navy); color: rgba(255,255,255,.5); padding: 64px 0 40px; }
.footer__grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
@media (max-width: 768px) { .footer__grid { grid-template-columns: 1fr 1fr; } }
.footer__brand-name { font-size: 18px; font-weight: 800; color: white; margin-bottom: 10px; }
.footer__brand-desc { font-size: 13px; line-height: 1.7; max-width: 260px; }
.footer__col h5 { font-size: 12px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: rgba(255,255,255,.3); margin-bottom: 16px; }
.footer__col ul { list-style: none; }
.footer__col ul li { margin-bottom: 10px; }
.footer__col ul li a { font-size: 14px; color: rgba(255,255,255,.5); transition: color .15s; }
.footer__col ul li a:hover { color: white; }
.footer__bottom { border-top: 1px solid rgba(255,255,255,.08); padding-top: 32px; display: flex; align-items: center; justify-content: space-between; font-size: 13px; flex-wrap: wrap; gap: 12px; }
.footer__legal { display: flex; gap: 24px; flex-wrap: wrap; }
.footer__legal a { color: rgba(255,255,255,.35); transition: color .15s; }
.footer__legal a:hover { color: white; }