/* =============================================
   RCS.ES – STYLESHEET
   
   HOW TO EDIT COLORS:
   Change the values in the :root section below.
   --clr-bg = background color
   --clr-accent = main blue accent color
   --clr-text = body text color
   
   HOW TO EDIT FONTS:
   Search for font-family in this file.
   Main font: 'Instrument Sans'
   Title font: 'Syne'
   Code font: 'DM Mono'
============================================= */

:root {
  /* ── Body: Google Messages Light (Material You) ── */
  --clr-bg:        #F8F9FA;   /* Google light grey background */
  --clr-surface:   #FFFFFF;   /* pure white cards             */
  --clr-surface-2: #F1F3F4;   /* slightly grey elevated       */
  --clr-border:    rgba(0,0,0,0.08);
  /* ── Navbar / Footer: kept dark ── */
  --clr-dark-bg:   #202124;
  --clr-dark-surf: #2d2e30;
  --clr-dark-brd:  rgba(255,255,255,0.10);
  /* ── Google Blue accent (unchanged) ── */
  --clr-accent:    #1A73E8;
  --clr-accent-2:  #4285F4;
  --clr-accent-lt: #E8F0FE;   /* light blue tint for chips    */
  /* ── Bubble colours (Google Messages) ── */
  --clr-bubble-out:  #1A73E8; /* sent bubble blue             */
  --clr-bubble-in:   #E8EAED; /* received bubble grey         */
  /* ── Text ── */
  --clr-text:        #202124; /* near-black                   */
  --clr-text-muted:  #5F6368; /* Google secondary text        */
  --clr-text-on-dark:#E8EAED; /* text on dark navbar/footer   */
  --clr-positive:  #34A853;
  --clr-negative:  #EA4335;
  --radius:    12px;
  --radius-lg: 20px;
  --radius-xl: 28px;          /* Material 3 extra large       */
  --font-display: 'Plus Jakarta Sans', 'Google Sans', system-ui, sans-serif;
  --font-body:    'Inter', 'Google Sans', system-ui, sans-serif;
  --font-mono:    'DM Mono', monospace;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--clr-bg);
  color: var(--clr-text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* =============================================
   NAVBAR
============================================= */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: 64px;
  display: flex;
  align-items: center;
  padding: 0;
  background: rgba(32,33,36,0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: background 0.4s, border-color 0.4s, box-shadow 0.4s;
}
.navbar.scrolled {
  background: rgba(32,33,36,0.96);
  border-color: rgba(26,115,232,0.15);
  box-shadow: 0 2px 24px rgba(0,0,0,0.2);
}
.nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  gap: 0;
  width: 100%;
  height: 64px;
}
.logo { display: flex; align-items: center; text-decoration: none; }
.logo-img { height: 44px; width: auto; display: block; }
.logo-img--footer { height: 36px; opacity: 0.9; }
.logo-rcs { font-family: var(--font-display); font-size: 1.4rem; font-weight: 800; color: var(--clr-text); }
.logo-dot { font-family: var(--font-display); font-size: 1.4rem; font-weight: 800; color: var(--clr-accent); }
.logo-rcs { color: #fff; }
.logo-dot { color: var(--clr-accent); }
.nav-links {
  display: flex;
  gap: 1.5rem;
  flex: 1;
  margin-left: 2rem;
}
.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: rgba(255,255,255,0.7);
  transition: color 0.2s;
}
.nav-links a:hover { color: #fff; }
.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-left: auto;
}
.lang-toggle {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  color: rgba(255,255,255,0.7);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.35rem 0.7rem;
  border-radius: 6px;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
}
.lang-toggle:hover { color: #fff; border-color: var(--clr-accent); }


/* =============================================
   HERO
============================================= */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 10rem 0 6rem;
  overflow: hidden;
  background: linear-gradient(160deg, #ffffff 0%, #EEF3FF 50%, #f8f9fa 100%);
}
.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(26,115,232,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(26,115,232,0.06) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, black 30%, transparent 80%);
}
.hero-glow {
  position: absolute;
  top: 5%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 500px;
  pointer-events: none;
}
.hero-glow::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 60% at 50% 40%,
    rgba(26,115,232,0.10) 0%,
    rgba(66,133,244,0.05) 40%,
    transparent 70%);
  animation: glowPulse 7s ease-in-out infinite;
}
.hero-glow::after {
  content: '';
  position: absolute;
  top: 30%; left: 30%;
  width: 40%; height: 40%;
  background: radial-gradient(ellipse,
    rgba(102,157,246,0.12) 0%,
    transparent 70%);
  animation: glowPulse 5s 2s ease-in-out infinite;
}
@keyframes glowPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.6; transform: scale(1.08); }
}
.hero .container { position: relative; z-index: 1; }
.hero-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--clr-accent);
  border: 1px solid rgba(26,115,232,0.25);
  background: var(--clr-accent-lt);
  padding: 0.35rem 0.9rem;
  border-radius: 100px;
  margin-bottom: 1.5rem;
  letter-spacing: 0.05em;
  opacity: 1;
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 6vw, 4.8rem);
  font-weight: 800;
  line-height: 1.0;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
  color: var(--clr-text);
  opacity: 1;
}
/* Each line of the hero title sits flush — no br gaps */
.title-line {
  display: block;
  line-height: 1.08;
}
.gradient-text {
  background: linear-gradient(135deg, var(--clr-accent) 0%, var(--clr-accent-2) 50%, var(--clr-accent) 100%);
  background-size: 200% 100%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub {
  max-width: 580px;
  color: var(--clr-text-muted);
  font-size: 1.1rem;
  line-height: 1.7;
  margin-bottom: 2.5rem;
  opacity: 1;
}
.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 4rem;
  opacity: 1;
}
.btn-primary {
  background: var(--clr-accent);
  color: #fff;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.75rem 1.75rem;
  border-radius: 10px;
  transition: transform 0.2s, box-shadow 0.2s;
  display: inline-block;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(45,126,255,0.4);
}
.btn-secondary {
  background: #fff;
  color: var(--clr-accent);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.75rem 1.75rem;
  border-radius: 10px;
  border: 1.5px solid var(--clr-accent);
  transition: background 0.2s, border-color 0.2s, box-shadow 0.2s;
  display: inline-block;
}
.btn-secondary:hover {
  background: var(--clr-accent-lt);
  box-shadow: 0 4px 16px rgba(26,115,232,0.15);
}
.hero-stats {
  display: flex;
  gap: 2.5rem;
  align-items: center;
  flex-wrap: wrap;
  opacity: 1;
}
.stat { display: flex; flex-direction: column; gap: 0.2rem; }
.stat-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--clr-accent);
  letter-spacing: -0.02em;
}
.stat-label { font-size: 0.8rem; color: var(--clr-text-muted); }
.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--clr-border);
}

/* =============================================
   SECTIONS COMMON
============================================= */
.section-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--clr-accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--clr-text);
  margin-bottom: 2.5rem;
}

/* =============================================
   WHAT IS RCS
============================================= */
.section-what {
  padding: 7rem 0;
  border-top: 1px solid var(--clr-border);
}
.what-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}
.what-text h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 1.25rem;
}
.what-text p {
  color: var(--clr-text-muted);
  line-height: 1.75;
  margin-bottom: 1rem;
}
.link-arrow {
  color: var(--clr-accent);
  font-weight: 600;
  font-size: 0.9rem;
  transition: gap 0.2s;
  display: inline-block;
  margin-top: 0.5rem;
}
.link-arrow:hover { opacity: 0.75; }
.what-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.feature-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}
.feature-card:hover {
  border-color: rgba(45,126,255,0.3);
  transform: translateY(-3px);
}
.feature-icon {
  font-size: 1.5rem;
  color: var(--clr-accent);
  margin-bottom: 0.75rem;
}
.feature-card h3 {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
}
.feature-card p {
  font-size: 0.82rem;
  color: var(--clr-text-muted);
  line-height: 1.55;
}

/* =============================================
   USE CASES
============================================= */
.section-usecases {
  padding: 7rem 0;
  background: var(--clr-surface);
  border-top: 1px solid var(--clr-border);
  border-bottom: 1px solid var(--clr-border);
}
.usecases-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--clr-border);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.usecase-card {
  background: var(--clr-surface);
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  transition: background 0.2s;
  position: relative;
}
.usecase-card:hover { background: var(--clr-surface-2); }
.usecase-card--cta { background: var(--clr-accent-lt); }
.usecase-card--cta:hover { background: rgba(45,126,255,0.1); }
.uc-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--clr-accent);
  margin-bottom: 0.5rem;
}
.usecase-card h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
}
.usecase-card p {
  font-size: 0.82rem;
  color: var(--clr-text-muted);
  line-height: 1.55;
  flex: 1;
}
.uc-arrow {
  font-size: 1.2rem;
  color: var(--clr-accent);
  align-self: flex-end;
  transition: transform 0.2s;
}
.usecase-card:hover .uc-arrow { transform: translateX(4px); }

/* =============================================
   CALCULATOR TEASER
============================================= */
.section-calc {
  padding: 7rem 0;
  border-bottom: 1px solid var(--clr-border);
}
.calc-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}
.calc-text h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 1rem;
}
.calc-text p {
  color: var(--clr-text-muted);
  line-height: 1.75;
  margin-bottom: 2rem;
}
.calc-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}
.calc-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--clr-border);
  color: var(--clr-text-muted);
}
.calc-row:last-child { border-bottom: none; }
.calc-row.highlight { color: var(--clr-text); }
.calc-val { font-weight: 500; color: var(--clr-text); }
.calc-val.positive { color: var(--clr-positive); }
.calc-val.negative { color: var(--clr-negative); }
.calc-divider {
  height: 1px;
  background: var(--clr-border);
  margin: 0.25rem 0;
}

/* =============================================
   PROVIDER CTA
============================================= */
.section-provider {
  padding: 7rem 0;
  background: linear-gradient(135deg, #EEF3FF 0%, #fff 60%);
  border-top: 1px solid rgba(26,115,232,0.12);
  border-bottom: 1px solid var(--clr-border);
}
.provider-inner {
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
}
.provider-inner h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
}
.provider-inner p {
  color: var(--clr-text-muted);
  font-size: 1.05rem;
  line-height: 1.75;
  margin-bottom: 2.5rem;
}
.provider-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* =============================================
   FOOTER
============================================= */
.footer {
  padding: 4rem 0 2rem;
  background: var(--clr-dark-bg);
  color: var(--clr-text-on-dark);
}
.footer-top {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 4rem;
  margin-bottom: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand .logo-rcs,
.footer-brand .logo-dot {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 800;
}
.footer-brand p {
  margin-top: 0.75rem;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.45);
  max-width: 240px;
  line-height: 1.6;
}
.footer-links {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}
.footer-col h4 {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.45);
  margin-bottom: 1rem;
  font-family: var(--font-mono);
}
.footer-col a {
  display: block;
  font-size: 0.875rem;
  color: rgba(255,255,255,0.55);
  margin-bottom: 0.6rem;
  transition: color 0.2s;
}
.footer-col a:hover { color: #fff; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.35);
  font-family: var(--font-mono);
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* =============================================
   INNER PAGE HERO (shared)
============================================= */
.page-hero {
  padding: 10rem 0 5rem;
  border-bottom: 1px solid var(--clr-border);
  background: linear-gradient(160deg, #FFFDF5 0%, #EEF6FF 55%, #f8f9fa 100%);
  position: relative;
  overflow: hidden;
}
.page-hero .hero-glow { opacity: 0.5; }
.page-hero .container { position: relative; z-index: 1; }
.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
  line-height: 1.1;
}
.page-hero p {
  max-width: 560px;
  color: var(--clr-text-muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

/* =============================================
   CONTENT SECTIONS
============================================= */
.content-section { padding: 5rem 0; border-bottom: 1px solid var(--clr-border); }
.content-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.content-grid h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}
.content-grid p {
  color: var(--clr-text-muted);
  line-height: 1.75;
  margin-bottom: 1rem;
}

/* =============================================
   COMPARISON TABLE
============================================= */
.compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  margin: 2rem 0;
}
.compare-table th {
  text-align: left;
  padding: 1rem 1.25rem;
  background: var(--clr-surface-2);
  border-bottom: 1px solid var(--clr-border);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  color: var(--clr-text-muted);
  font-weight: 600;
}
.compare-table td {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--clr-border);
  color: var(--clr-text-muted);
  vertical-align: middle;
}
.compare-table tr:hover td { background: var(--clr-surface); }
.compare-table td:first-child { color: var(--clr-text); font-weight: 500; }
.check { color: var(--clr-positive); font-size: 1.1rem; }
.cross { color: var(--clr-negative); font-size: 1.1rem; }
.partial { color: #f59e0b; font-size: 1rem; }

/* =============================================
   CODE BLOCK
============================================= */
.code-block {
  background: #1a1d23;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  padding: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.8;
  overflow-x: auto;
  margin: 1.5rem 0;
  color: #e2e8f0;
  box-shadow: 0 4px 20px rgba(0,0,0,0.15), inset 0 1px 0 rgba(255,255,255,0.04);
}
.code-block .kw  { color: #60a5fa; }   /* blue — keywords */
.code-block .str { color: #4ade80; }   /* green — strings */
.code-block .cm  { color: #6b7280; font-style: italic; }  /* grey — comments */
.code-block .num { color: #fbbf24; }   /* yellow — numbers */
.code-block .key { color: #f472b6; }   /* pink — keys */
.code-block .val { color: #a78bfa; }   /* purple — values */

/* =============================================
   BLOG CARDS
============================================= */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}
.blog-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: border-color 0.2s, transform 0.2s;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.blog-card:hover {
  border-color: rgba(45,126,255,0.3);
  transform: translateY(-3px);
}
.blog-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--clr-accent-2);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.blog-card h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.35;
}
.blog-card p {
  font-size: 0.83rem;
  color: var(--clr-text-muted);
  line-height: 1.6;
  flex: 1;
}
.blog-date {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--clr-text-muted);
}

/* =============================================
   PRICING CARDS
============================================= */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}
.pricing-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.pricing-card.featured {
  border-color: var(--clr-accent);
  background: var(--clr-accent-lt);
  position: relative;
}
.pricing-featured-badge {
  position: absolute;
  top: -12px; left: 50%;
  transform: translateX(-50%);
  background: var(--clr-accent);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.25rem 0.75rem;
  border-radius: 100px;
  white-space: nowrap;
}
.pricing-tier {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--clr-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.pricing-price {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}
.pricing-price span {
  font-size: 1rem;
  font-weight: 400;
  color: var(--clr-text-muted);
  font-family: var(--font-body);
}
.pricing-desc {
  font-size: 0.85rem;
  color: var(--clr-text-muted);
  line-height: 1.6;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--clr-border);
}
.pricing-features { list-style: none; display: flex; flex-direction: column; gap: 0.6rem; flex: 1; }
.pricing-features li {
  font-size: 0.85rem;
  color: var(--clr-text-muted);
  padding-left: 1.25rem;
  position: relative;
}
.pricing-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--clr-positive);
  font-weight: 700;
}
.pricing-cta { margin-top: auto; }

/* =============================================
   CALCULATOR (interactive)
============================================= */
.calculator-widget {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  margin: 2rem 0;
}
.calc-inputs { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; margin-bottom: 2rem; }
.calc-input-group { display: flex; flex-direction: column; gap: 0.5rem; }
.calc-input-group label {
  font-size: 0.82rem;
  color: var(--clr-text-muted);
  font-family: var(--font-mono);
}
.calc-input-group input,
.calc-input-group select {
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border);
  color: var(--clr-text);
  padding: 0.65rem 1rem;
  border-radius: 8px;
  font-size: 0.9rem;
  font-family: var(--font-mono);
  outline: none;
  transition: border-color 0.2s;
  width: 100%;
}
.calc-input-group input:focus,
.calc-input-group select:focus { border-color: var(--clr-accent); }
.calc-results { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.calc-result-card {
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: 1.25rem;
  text-align: center;
}
.calc-result-card .result-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--clr-text-muted);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.calc-result-card .result-value {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.result-value.green { color: var(--clr-positive); }
.result-value.blue { color: var(--clr-accent-2); }

/* =============================================
   ANIMATIONS
============================================= */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* =============================================
   RESPONSIVE
============================================= */
@media (max-width: 1024px) {
  .what-grid,
  .calc-inner,
  .content-grid { grid-template-columns: 1fr; gap: 3rem; }
  .usecases-grid { grid-template-columns: repeat(2, 1fr); }
  .blog-grid,
  .pricing-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr; gap: 2rem; }
}
@media (max-width: 768px) {
  .hero { padding: 8rem 0 4rem; }
  .hero-stats { flex-direction: column; align-items: flex-start; gap: 1.5rem; }
  .stat-divider { display: none; }
  .usecases-grid,
  .blog-grid,
  .pricing-grid,
  .footer-links,
  .what-features,
  .calc-inputs,
  .calc-results { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 0.4rem; }
}

/* =============================================
   IMAGE STRIP
============================================= */
.section-imgstrip {
  overflow: hidden;
  border-top: 1px solid var(--clr-border);
  border-bottom: 1px solid var(--clr-border);
}
.imgstrip-inner {
  display: flex;
  gap: 0;
}
.imgstrip-item {
  flex: 1;
  height: 220px;
  overflow: hidden;
}
.imgstrip-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(30%) brightness(0.65);
  transition: filter 0.4s, transform 0.4s;
  display: block;
}
.imgstrip-item:hover img {
  filter: grayscale(0%) brightness(0.85);
  transform: scale(1.05);
}

/* =============================================
   SHOWCASE GRID
============================================= */
.section-showcase {
  padding: 7rem 0;
  border-top: 1px solid var(--clr-border);
  border-bottom: 1px solid var(--clr-border);
  background: var(--clr-surface);
}
.showcase-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}
.showcase-item {
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border);
}
.showcase-item img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  display: block;
  filter: brightness(0.7);
  transition: filter 0.3s, transform 0.4s;
}
.showcase-item:hover img {
  filter: brightness(0.85);
  transform: scale(1.03);
}
.showcase-caption {
  padding: 1rem 1.25rem;
  font-size: 0.82rem;
  color: var(--clr-text-muted);
  font-family: var(--font-mono);
  border-top: 1px solid var(--clr-border);
}

/* =============================================
   BLOG CARD IMAGE
============================================= */
.blog-card-img {
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 0.5rem;
  height: 180px;
}
.blog-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: brightness(0.75);
  transition: filter 0.3s, transform 0.4s;
}
.blog-card:hover .blog-card-img img {
  filter: brightness(0.9);
  transform: scale(1.04);
}

/* =============================================
   BLOG ARTICLE PAGE
============================================= */
.article-hero {
  padding: 8rem 0 3.5rem;
  border-bottom: 1px solid var(--clr-border);
  background: linear-gradient(160deg, #FFFDF5 0%, #EEF6FF 55%, #f8f9fa 100%);
  position: relative;
  overflow: hidden;
}
.article-hero .hero-glow { opacity: 0.4; }
.article-hero .container { position: relative; z-index: 1; max-width: 800px; }
.article-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}
.article-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--clr-accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: var(--clr-accent-lt);
  border: 1px solid rgba(26,115,232,0.25);
  padding: 0.25rem 0.7rem;
  border-radius: 100px;
}
.article-date {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--clr-text-muted);
}
.article-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 1.25rem;
  color: var(--clr-text);
}
.article-hero .lead {
  font-size: 1rem;
  color: var(--clr-text-muted);
  line-height: 1.75;
  max-width: 640px;
}
.article-cover {
  width: 100%;
  max-width: 900px;
  margin: 3rem auto 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--clr-border);
}
.article-cover img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  display: block;
  filter: brightness(0.8);
}
.article-body {
  padding: 5rem 0;
}
.article-body .container {
  max-width: 800px;
}
.article-body h2 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 2.5rem 0 1rem;
  color: var(--clr-text);
}
.article-body h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  margin: 2rem 0 0.75rem;
  color: var(--clr-text);
}
.article-body p {
  color: var(--clr-text-muted);
  line-height: 1.85;
  margin-bottom: 1.25rem;
  font-size: 1rem;
}
.article-body ul, .article-body ol {
  margin: 1rem 0 1.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.article-body li {
  color: var(--clr-text-muted);
  line-height: 1.7;
  font-size: 0.95rem;
}
.article-body strong { color: var(--clr-text); }
.article-body .callout {
  background: rgba(45,126,255,0.07);
  border-left: 3px solid var(--clr-accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 1.25rem 1.5rem;
  margin: 2rem 0;
  color: var(--clr-text);
  font-size: 0.95rem;
  line-height: 1.7;
}
.article-img {
  width: 100%;
  border-radius: var(--radius);
  overflow: hidden;
  margin: 2rem 0;
  border: 1px solid var(--clr-border);
}
.article-img img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  display: block;
  filter: brightness(0.8);
}
.article-img figcaption {
  padding: 0.75rem 1rem;
  font-size: 0.78rem;
  color: var(--clr-text-muted);
  font-family: var(--font-mono);
  border-top: 1px solid var(--clr-border);
  background: var(--clr-surface);
}
.article-nav {
  padding: 3rem 0;
  border-top: 1px solid var(--clr-border);
  border-bottom: 1px solid var(--clr-border);
}
.article-nav .container {
  max-width: 800px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 0.5rem 1.5rem;
}
.article-nav a {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--clr-accent);
  background: var(--clr-accent-lt);
  border: 1px solid rgba(26,115,232,0.2);
  padding: 0.6rem 1.2rem;
  border-radius: 8px;
  transition: background 0.2s, box-shadow 0.2s;
  text-decoration: none;
}
.article-nav a:hover {
  background: rgba(26,115,232,0.12);
  box-shadow: 0 2px 12px rgba(26,115,232,0.15);
  color: var(--clr-accent);
}

@media (max-width: 768px) {
  .imgstrip-item { height: 140px; }
  .showcase-grid { grid-template-columns: 1fr; }
  .blog-card-img { height: 150px; }
  .article-cover img { height: 220px; }
}

/* =============================================
   SVG PHONE ILLUSTRATIONS
============================================= */
.section-hero-illustration {
  padding: 3rem 0 0;
  overflow: hidden;
  border-bottom: 1px solid var(--clr-border);
  background: var(--clr-bg);
}
.hero-illustration-img {
  width: 100%;
  max-width: 960px;
  height: auto;
  display: block;
  margin: 0 auto;
  /* three-phones SVG: 900×520 — let browser scale naturally */
}
.rcs-illustration-wrapper {
  width: 100%;
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid var(--clr-border);
  background: var(--clr-bg);
  margin-top: 2rem;
  /* blend SVG illustrations: no tight black crop */
  padding: 1.5rem;
  aspect-ratio: 43 / 24;
  display: flex;
  align-items: center;
  justify-content: center;
}
.rcs-illustration {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}
/* ---- Blog card thumbnails ---- */
.blog-card-svg {
  border-radius: 10px;
  overflow: hidden;
  margin-bottom: 1rem;
  background: var(--clr-surface);
  /* Fixed aspect ratio: wide landscape for multi-phone SVGs */
  aspect-ratio: 16 / 9;
  display: flex;
  align-items: center;
  justify-content: center;
}
.blog-card-svg img {
  width: 100%;
  height: 100%;
  object-fit: contain; /* never crop the interface illustration */
  display: block;
}

/* ---- Article hero cover ---- */
.article-cover-svg {
  width: 100%;
  max-width: 860px;
  margin: 2.5rem auto 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--clr-border);
  background: var(--clr-surface);
  aspect-ratio: auto;
}
.article-cover-svg img {
  width: 100%;
  display: block;
  height: auto;
}

/* ---- Phone mockup floating in article ---- */
.article-phone-mockup {
  float: right;
  width: 180px;
  margin: 0.5rem 0 2rem 2rem;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--clr-border);
  background: var(--clr-surface);
  box-shadow: 0 8px 32px rgba(0,0,0,0.10);
  aspect-ratio: 5 / 9;
  flex-shrink: 0;
}
.article-phone-mockup img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

/* ---- Full-width RCS illustration ---- */
.rcs-illustration-wrapper {
  width: 100%;
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid var(--clr-border);
  background: var(--clr-bg);
  margin-top: 2rem;
  /* wide comparison SVG is 860×600 ≈ 43:30 */
  aspect-ratio: 43 / 30;
}
.rcs-illustration {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

/* ---- Article figure images ---- */
.article-img {
  margin: 2rem 0;
}
.article-img img {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid var(--clr-border);
  background: var(--clr-bg);
  display: block;
}
.article-img figcaption {
  margin-top: 0.6rem;
  font-size: 0.85rem;
  color: var(--clr-text-muted);
  text-align: center;
}

.clearfix::after { content: ''; display: table; clear: both; }
@media (max-width: 640px) {
  .article-phone-mockup {
    float: none;
    width: 100%;
    max-width: 300px;
    margin: 1.5rem auto;
    aspect-ratio: 5 / 9;
  }
}

/* ---- i18n block switching ---- */
[data-en], [data-es] { display: block; }
.lang-block-en, .lang-block-es { display: block; }
body.lang-en .lang-block-es { display: none; }
body.lang-es .lang-block-en { display: none; }

/* =============================================
   SCROLL REVEAL ANIMATIONS
   Smooth, cinematic — 0.85s ease-out curve
============================================= */

/* --- Hidden state --- */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s cubic-bezier(0.16,1,0.3,1), transform 0.7s cubic-bezier(0.16,1,0.3,1);
}
[data-reveal="left"] { transform: translateX(-28px); opacity: 0; transition: opacity 0.7s cubic-bezier(0.16,1,0.3,1), transform 0.7s cubic-bezier(0.16,1,0.3,1); }
[data-reveal="right"] { transform: translateX(28px); opacity: 0; transition: opacity 0.7s cubic-bezier(0.16,1,0.3,1), transform 0.7s cubic-bezier(0.16,1,0.3,1); }
[data-reveal="scale"] { transform: scale(0.94); opacity: 0; transition: opacity 0.7s cubic-bezier(0.16,1,0.3,1), transform 0.7s cubic-bezier(0.16,1,0.3,1); }

/* --- Revealed state --- */
[data-reveal].revealed, [data-reveal-group] > *.revealed { opacity: 1 !important; transform: none !important; }

/* --- Staggered group: children cascade in slowly --- */
[data-reveal-group] > * {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s cubic-bezier(0.16,1,0.3,1), transform 0.6s cubic-bezier(0.16,1,0.3,1);
}
[data-reveal-group].revealed > *:nth-child(1) { transition-delay: 0.05s; }
[data-reveal-group].revealed > *:nth-child(2) { transition-delay: 0.18s; }
[data-reveal-group].revealed > *:nth-child(3) { transition-delay: 0.31s; }
[data-reveal-group].revealed > *:nth-child(4) { transition-delay: 0.44s; }
[data-reveal-group].revealed > *:nth-child(5) { transition-delay: 0.57s; }
[data-reveal-group].revealed > *:nth-child(6) { transition-delay: 0.70s; }
[data-reveal-group].revealed > * {
  opacity: 1;
  transform: none;
}

/* =============================================
   HOVER INTERACTIONS
============================================= */

/* Stat numbers */
.stat-num {
  display: inline-block;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}
.stat:hover .stat-num {
  transform: scale(1.1) translateY(-2px);
}

/* Feature cards */
.feature-card {
  transition:
    transform 0.45s cubic-bezier(0.16, 1, 0.3, 1),
    box-shadow 0.45s ease,
    border-color 0.45s ease;
}
.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 16px 48px rgba(26,115,232,0.15), 0 0 0 1px rgba(26,115,232,0.2);
  border-color: rgba(26,115,232,0.35);
}

/* Blog cards */
.blog-card {
  transition:
    transform 0.45s cubic-bezier(0.16, 1, 0.3, 1),
    box-shadow 0.45s ease,
    border-color 0.45s ease;
}
.blog-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 16px 44px rgba(26,115,232,0.12), 0 0 0 1px rgba(26,115,232,0.18);
  border-color: rgba(26,115,232,0.3);
}

/* Logo */
.logo-img {
  transition: opacity 0.35s ease, transform 0.35s ease;
}
.logo:hover .logo-img {
  opacity: 0.85;
  transform: scale(1.03);
}

/* Primary button shimmer */
.btn-primary {
  position: relative;
  overflow: hidden;
}
.btn-primary::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, transparent 40%, rgba(255,255,255,0.12) 60%, transparent 80%);
  transform: translateX(-100%);
  transition: transform 0.6s ease;
}
.btn-primary:hover::after {
  transform: translateX(100%);
}

/* =============================================
   AMBIENT TECH EFFECTS — glows, halos, depth
============================================= */

/* Ambient blue glow behind feature cards */
.feature-card {
  position: relative;
}
.feature-card::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(26,115,232,0.06), rgba(102,157,246,0.04));
  opacity: 0;
  transition: opacity 0.5s ease;
  pointer-events: none;
  z-index: 0;
}
.feature-card:hover::before {
  opacity: 1;
}
.feature-card > * { position: relative; z-index: 1; }

/* Section background glow pools */
.section-what,
.section-usecases,
.content-section {
  position: relative;
}
.section-what::before {
  content: '';
  position: absolute;
  left: 10%;
  top: 20%;
  width: 500px;
  height: 300px;
  background: radial-gradient(ellipse, rgba(26,115,232,0.07) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}
.section-what .container { position: relative; z-index: 1; }

/* Section title underline shimmer */
.section-title {
  position: relative;
}

/* Use case card glow */
.usecase-card {
  transition:
    transform 0.45s cubic-bezier(0.16, 1, 0.3, 1),
    box-shadow 0.45s ease,
    border-color 0.45s ease,
    background 0.45s ease;
}
.usecase-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(26,115,232,0.14);
  border-color: rgba(26,115,232,0.3);
  background: rgba(26,115,232,0.06);
}

/* Code block subtle inner glow */
.code-block {
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.04), 0 4px 24px rgba(0,0,0,0.3);
}

/* Illustration wrapper: floating shadow + inner glow */
.rcs-illustration-wrapper {
  box-shadow:
    0 24px 80px rgba(0,0,0,0.35),
    0 0 0 1px rgba(26,115,232,0.12),
    inset 0 1px 0 rgba(255,255,255,0.05);
  transition: box-shadow 0.6s ease, transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.rcs-illustration-wrapper:hover {
  box-shadow:
    0 32px 100px rgba(0,0,0,0.4),
    0 0 0 1px rgba(26,115,232,0.2),
    inset 0 1px 0 rgba(255,255,255,0.07);
  transform: translateY(-4px);
}

/* Provider / CTA section: top border glow */
.section-provider {
  position: relative;
}
.section-provider::before {
  content: '';
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(26,115,232,0.5), transparent);
}

/* Hero stats: subtle separator glow */
.stat-divider {
  background: linear-gradient(180deg, transparent, rgba(26,115,232,0.4), transparent);
}

/* Navbar scrolled: deeper blur + accent border */
.navbar.scrolled {
  background: rgba(32,33,36,0.92);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid rgba(26,115,232,0.12);
  box-shadow: 0 1px 0 rgba(0,0,0,0.3), 0 4px 24px rgba(0,0,0,0.15);
}

/* Blog card image: zoom on hover */
.blog-card-svg img {
  transition: transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}
.blog-card:hover .blog-card-svg img {
  transform: scale(1.04);
}

/* Article phone mockup: subtle float */


/* Gradient text shimmer on hover (hero) */
.gradient-text {
  background-size: 200% 100%;
  animation: gradientShift 6s ease infinite;
}
@keyframes gradientShift {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* Accent hairline at section transitions */
.section-what,
.section-showcase,
.section-usecases,
.content-section:not(:first-of-type) {
  border-top: 1px solid transparent;
  border-image: linear-gradient(90deg,
    transparent 0%,
    rgba(26,115,232,0.2) 30%,
    rgba(102,157,246,0.25) 50%,
    rgba(26,115,232,0.2) 70%,
    transparent 100%) 1;
}

/* Floating orb in hero: decorative far-right */
/* Old hero orbs removed — moved to hero-v2 */
@keyframes orbFloat {
  0%, 100% { transform: translateY(0) scale(1); }
  33%       { transform: translateY(-18px) scale(1.04); }
  66%       { transform: translateY(10px) scale(0.97); }
}

/* Feature icon: subtle animated ring */
.feature-icon {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.feature-icon::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: inherit;
  background: radial-gradient(circle at 50% 50%, rgba(26,115,232,0.15), transparent 70%);
  opacity: 0;
  transition: opacity 0.5s ease;
}
.feature-card:hover .feature-icon::after {
  opacity: 1;
}

/* Glowing underline on section-tag pill on hover */
.section-tag {
  transition: box-shadow 0.4s ease, border-color 0.4s ease;
}
.section-tag:hover {
  border-color: rgba(102,157,246,0.5);
  box-shadow: 0 0 12px rgba(26,115,232,0.2);
}

/* =============================================
   LEGAL PAGES — clean, centered, light
============================================= */
.legal-main {
  padding-top: 120px;
  padding-bottom: 6rem;
  min-height: 80vh;
  background: var(--clr-bg);
}
.legal-container {
  max-width: 780px;
  margin: 0 auto;
  padding: 0 1.5rem;
}
.legal-header {
  margin-bottom: 3rem;
  padding-bottom: 2rem;
  border-bottom: 2px solid var(--clr-border);
}
.legal-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  line-height: 1.1;
  margin: 0.75rem 0 0.5rem;
  color: var(--clr-text);
}
.legal-meta {
  color: var(--clr-text-muted);
  font-size: 0.88rem;
  margin-top: 0.5rem;
}
.legal-body h2 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--clr-text);
  margin: 2.25rem 0 0.75rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--clr-border);
}
.legal-body p {
  color: var(--clr-text-muted);
  line-height: 1.8;
  font-size: 0.95rem;
  margin-bottom: 0.75rem;
}
.legal-body li {
  color: var(--clr-text-muted);
  line-height: 1.8;
  font-size: 0.95rem;
  margin-bottom: 0.4rem;
}
.legal-body ul {
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}
.legal-body a {
  color: var(--clr-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.legal-body a:hover { color: var(--clr-accent-2); }
.legal-body strong { color: var(--clr-text); font-weight: 600; }

/* Legal table (cookies) */
.legal-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.25rem 0;
  font-size: 0.9rem;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--clr-border);
}
.legal-table th {
  background: var(--clr-surface-2);
  color: var(--clr-text);
  padding: 0.75rem 1rem;
  text-align: left;
  font-weight: 600;
  border-bottom: 1px solid var(--clr-border);
}
.legal-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--clr-border);
  color: var(--clr-text-muted);
  vertical-align: top;
}
.legal-table tr:last-child td { border-bottom: none; }
.legal-table tr:nth-child(even) td {
  background: var(--clr-surface-2);
}



/* ── Light section colours ── */
.section-what {
  padding: 3.5rem 0 5rem;
  border-top: 1px solid var(--clr-border);
  background: var(--clr-bg);
}
.section-showcase {
  padding: 7rem 0;
  background: var(--clr-surface);
  border-top: 1px solid var(--clr-border);
}

/* ── Usecase card light ── */
.usecase-card {
  background: var(--clr-surface);
}
.usecase-card:hover {
  background: var(--clr-accent-lt);
}

/* ── Calc card light ── */
.calc-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}

/* ── Blog card light ── */
.blog-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
}

/* ── Stat divider on light hero ── */
.stat-divider {
  background: linear-gradient(180deg, transparent, rgba(26,115,232,0.25), transparent);
}

/* ── section-tag in light mode ── */
.section-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.73rem;
  color: var(--clr-accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: var(--clr-accent-lt);
  border: 1px solid rgba(26,115,232,0.2);
  padding: 0.25rem 0.8rem;
  border-radius: 100px;
  margin-bottom: 1rem;
}

/* ── Content section light ── */
.content-section {
  padding: 5rem 0;
  border-bottom: 1px solid var(--clr-border);
  background: var(--clr-bg);
}
.content-section:nth-child(even) {
  background: var(--clr-surface);
}

/* ── Page hero text dark ── */
.page-hero h1, .page-hero p { color: var(--clr-text); }
.page-hero p { color: var(--clr-text-muted); }

/* ── Compare table rounded ── */
.compare-table {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--clr-border);
}
.compare-table tr:hover td { background: var(--clr-accent-lt); }

/* ── Pricing card light ── */
.pricing-card {
  background: var(--clr-surface);
  border: 1.5px solid var(--clr-border);
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}
.pricing-card.featured {
  border-color: var(--clr-accent);
  box-shadow: 0 4px 24px rgba(26,115,232,0.15);
}

/* ═══════════════════════════════════════════════
   NAVBAR — RESPONSIVE
═══════════════════════════════════════════════ */

/* Desktop defaults */
.nav-links {
  display: flex;
  flex-shrink: 1;
  gap: 1.25rem;
  margin-left: 1.75rem;
  overflow: hidden;
}
.nav-links a { white-space: nowrap; }

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px 4px;
  margin-left: 0.5rem;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: rgba(255,255,255,0.85);
  border-radius: 2px;
  transition: transform 0.28s ease, opacity 0.28s ease;
  transform-origin: center;
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile: ≤820px — hide desktop links, show hamburger */
@media (max-width: 820px) {
  .nav-links { display: none !important; }
  .hamburger { display: flex !important; }
}

/* Mobile dropdown menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  z-index: 98;
  flex-direction: column;
  gap: 0;
  background: rgba(28,30,34,0.98);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  padding: 0.75rem 1.5rem 1.25rem;
}
.mobile-menu.open { display: flex !important; }
.mobile-menu a {
  display: block;
  color: rgba(255,255,255,0.75);
  font-size: 1rem;
  font-weight: 500;
  padding: 0.85rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  transition: color 0.2s;
  text-decoration: none;
}
.mobile-menu a:last-child { border-bottom: none; }
.mobile-menu a:hover { color: #fff; }

/* Lang toggle */
.lang-toggle {
  min-width: 44px;
  text-align: center;
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

/* Nav no-wrap */
.nav-inner { white-space: nowrap; }
.nav-actions { flex-shrink: 0; gap: 0.6rem; }

/* ═══════════════════════════════════════════════
   PHOTO / REAL IMAGE SECTIONS
═══════════════════════════════════════════════ */

/* Generic real-photo frame */
.photo-frame {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 8px 40px rgba(0,0,0,0.12), 0 0 0 1px rgba(0,0,0,0.05);
  line-height: 0;
  position: relative;
}
.photo-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.7s cubic-bezier(0.16,1,0.3,1);
}
.photo-frame:hover img { transform: scale(1.03); }

/* Photo strip — horizontal 3-up */
.photo-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin: 3rem 0;
}
.photo-strip .photo-frame { aspect-ratio: 4/3; }

/* Photo + text 2-col */
.photo-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  padding: 5rem 0;
}
.photo-split.reverse { direction: rtl; }
.photo-split.reverse > * { direction: ltr; }
.photo-split .photo-frame { aspect-ratio: 4/3; }

/* Screenshot float cards */
.screenshot-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin: 2.5rem 0;
}
.screenshot-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  transition: transform 0.4s cubic-bezier(0.16,1,0.3,1), box-shadow 0.4s;
}
.screenshot-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(26,115,232,0.14);
}
.screenshot-card img {
  width: 100%;
  aspect-ratio: 9/16;
  object-fit: cover;
  object-position: top;
  display: block;
}
.screenshot-card .sc-label {
  padding: 0.75rem 1rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--clr-text-muted);
  border-top: 1px solid var(--clr-border);
}

/* Stats banner with bg photo */
.photo-stats-banner {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  padding: 2.5rem 2.5rem;
  color: #fff;
  margin: 3rem 0;
}
.photo-stats-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(26,115,232,0.92) 0%, rgba(15,60,130,0.95) 100%);
  z-index: 1;
}
.photo-stats-banner > * { position: relative; z-index: 2; }
.photo-stats-banner .bg-photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.2;
  z-index: 0;
}
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}
.stats-row .stat-big {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 0.4rem;
}
.stats-row .stat-desc {
  font-size: 0.85rem;
  opacity: 0.8;
  line-height: 1.4;
}

/* Blog article featured image */
.article-featured-img {
  width: 100%;
  aspect-ratio: 16/7;
  object-fit: cover;
  border-radius: var(--radius-xl);
  margin-bottom: 2.5rem;
  box-shadow: 0 8px 32px rgba(0,0,0,0.1);
}

/* Responsive */
@media (max-width: 768px) {
  .photo-strip { grid-template-columns: 1fr; }
  .photo-split { grid-template-columns: 1fr; gap: 2rem; }
  .photo-split.reverse { direction: ltr; }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
}

/* Blog card photo override */
.blog-card-svg { height: 200px; }
.blog-card-svg img { width:100%; height:100%; object-fit:cover; transition: transform 0.7s cubic-bezier(0.16,1,0.3,1); }
.blog-card:hover .blog-card-svg img { transform: scale(1.05); }

/* ── Dev photo grid fix (rcs-api.html) ── */
.dev-photo-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 1.25rem;
  width: 100%;
  max-width: 100%;
  overflow: hidden;
}
.dev-photo-grid .photo-frame {
  aspect-ratio: 16/8;
  min-width: 0;   /* prevents grid blowout */
}
@media (max-width: 640px) {
  .dev-photo-grid { grid-template-columns: 1fr; }
}

/* ── Blog card thumbnail — consistent height, no bleed ── */
.blog-card-svg {
  margin: -2rem -2rem 1.5rem !important;
  height: 200px !important;
  overflow: hidden !important;
  border-radius: 20px 20px 0 0 !important;
  background: var(--clr-surface-2);
}
.blog-card-svg img {
  width: 100% !important;
  height: 100% !important;
  object-fit: cover !important;
  object-position: center !important;
  display: block !important;
  transition: transform 0.7s cubic-bezier(0.16,1,0.3,1) !important;
}
.blog-card:hover .blog-card-svg img { transform: scale(1.05) !important; }

/* ── Article body background — ensure light bg ── */
.article-body { background: var(--clr-bg); }

/* ── Article featured image — contained, styled ── */
.article-featured-img {
  width: 100%;
  max-height: 320px;
  object-fit: cover;
  object-position: center 30%;
  display: block;
  border-radius: 0;
}

/* ── Article-nav: ensure visible on light bg ── */
.article-nav {
  padding: 2.5rem 0;
  background: var(--clr-surface);
  border-top: 1px solid var(--clr-border);
}

/* ── Comparison table: don't let SVG clip it ── */
.compare-table-wrapper {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

/* ── callout on light bg ── */
.article-body .callout {
  background: var(--clr-accent-lt);
  border-left: 3px solid var(--clr-accent);
  color: var(--clr-text);
}
.article-body .callout strong { color: var(--clr-accent); }

/* ═══════════════════════════════════════════════
   HERO V2 — Left text / Right phone
═══════════════════════════════════════════════ */

.hero-v2 {
  margin-top: 64px;
  width: 100%;
  height: calc(100vh - 64px);
  min-height: 560px;
  display: flex;
  align-items: stretch;
  background: linear-gradient(135deg, #EAF2FF 0%, #D8EBFF 40%, #C5DCFF 70%, #B0CCFF 100%);
  overflow: hidden;
  position: relative;
}

/* ══ LEFT: Text ══ */
.hero-v2__left {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding: 4rem 4rem 4rem 8%;
  position: relative;
  z-index: 2;
  background: transparent;
}

.hero-v2__tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--clr-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1.25rem;
}

.hero-v2__title {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4vw, 3.8rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.03em;
  color: #0a1628;
  margin: 0 0 1.5rem;
}

.hero-v2__accent {
  background: linear-gradient(135deg, #1A73E8 0%, #4285F4 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-v2__sub {
  font-size: 1.05rem;
  color: #3a4f72;
  line-height: 1.7;
  max-width: 480px;
  margin-bottom: 2rem;
  text-align: left;
}

.hero-v2__actions {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.hero-v2__btn {
  display: inline-block;
  background: var(--clr-accent);
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  padding: 0.85rem 2.2rem;
  border-radius: 100px;
  text-decoration: none;
  box-shadow: 0 4px 20px rgba(26,115,232,0.35);
  transition: transform 0.2s, box-shadow 0.2s;
}
.hero-v2__btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 26px rgba(26,115,232,0.45);
}

.hero-v2__link-sec {
  font-size: 0.95rem;
  font-weight: 600;
  color: #3a4f72;
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.2s;
}
.hero-v2__link-sec:hover { color: var(--clr-accent); }

/* Stats row */
.hero-v2__stats {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}
.hero-v2__stat {
  display: flex;
  flex-direction: column;
}
.hero-v2__stat strong {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--clr-accent);
  line-height: 1;
}
.hero-v2__stat span {
  font-size: 0.7rem;
  color: #5a6f96;
  margin-top: 0.1rem;
}
.hero-v2__stat-div {
  width: 1px;
  height: 36px;
  background: rgba(26,115,232,0.2);
  flex-shrink: 0;
}

/* ══ RIGHT: Phone + blob ══ */
.hero-v2__right {
  width: 48%;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* Decorative circle behind phone */
.hero-blob {
  position: absolute;
  width: min(90%, 520px);
  aspect-ratio: 1;
  background: radial-gradient(circle, #C8DEFF 0%, #A8C4FF 60%, transparent 100%);
  border-radius: 50%;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
@keyframes blobFloat {
  0%, 100% { transform: translate(-50%, -50%) scale(1); }
  50%       { transform: translate(-50%, -50%) scale(1.03); }
}

/* Phone */
.hero-phone-wrap {
  position: relative;
  z-index: 2;
  width: 65%;
  max-width: 340px;
}
.hero-phone-img {
  width: 100%;
  height: auto;
  display: block;
  filter: drop-shadow(0 20px 48px rgba(26,115,232,0.30)) drop-shadow(0 6px 14px rgba(0,0,0,0.14));
  transform: perspective(1000px) rotateY(-6deg) rotateX(2deg);
  transition: transform 0.8s cubic-bezier(0.16,1,0.3,1);
}
.hero-v2__right:hover .hero-phone-img {
  transform: perspective(1000px) rotateY(0deg) rotateX(0deg) translateY(-6px);
}

/* "Message sent" badge — like reference */
.hero-sent-badge {
  position: absolute;
  top: -2rem;
  right: -2.5rem;
  background: #fff;
  border-radius: 14px;
  padding: 0.65rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: #202124;
  box-shadow: 0 4px 20px rgba(0,0,0,0.12);
  white-space: nowrap;
  animation: floatBub 4s ease-in-out infinite;
}
.hero-sent-badge span:first-child {
  color: var(--clr-positive);
  font-size: 1rem;
}

@keyframes floatBub {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-6px); }
}

/* Remove old classes */
.hero-v2__card, .hero-phone-wrap .hero-v2__text,
.hero-person-wrap, .hero-person-img,
.hero-bub, .hb-blue, .hb-green, .hb-orange, .hb-warm { display: none !important; }

/* Responsive */
@media (max-width: 860px) {
  .hero-v2 { flex-direction: column; max-height: none; min-height: auto; }
  .hero-v2__left { padding: 3rem 2rem 2rem; }
  .hero-v2__right { width: 100%; height: 360px; }
  .hero-phone-wrap { width: 45%; }
}
@media (max-width: 540px) {
  .hero-v2__title { font-size: 2rem; }
  .hero-v2__actions { flex-direction: column; align-items: flex-start; gap: 1rem; }
  .hero-v2__stats { flex-wrap: wrap; gap: 1rem; }
}