/* ==================================================================
   AGENTBOOK — DESIGN TOKENS
   Palette: near-void base, electric signal green, true WhatsApp green
   reserved only for WhatsApp actions/bubbles, cyan pulse for the
   signature signal-line element only.
   Type: Space Grotesk (display) / Inter (body) / JetBrains Mono (utility)
   ================================================================== */
:root{
  --void:        #06090a;
  --surface:     #0d1412;
  --surface-2:   #101917;
  --signal:      #39ff8a;
  --signal-dim:  #1d8a52;
  --whatsapp:    #25d366;
  --whatsapp-dim:#128c4a;
  --cyan-pulse:  #37e8ff;
  --violet-pulse:#b26bff;
  --magenta-pulse:#ff4fd0;
  --ink:         #eef7f2;
  --mist:        #91aca1;
  --mist-dim:    #5c7369;
  --line:        rgba(57,255,138,0.22);
  --line-soft:   rgba(238,247,242,0.08);
  --line-mask: repeating-linear-gradient(115deg,
    #fff 0px, #fff 2px,
    transparent 2px, transparent 46px,
    #fff 46px, #fff 48px,
    transparent 48px, transparent 92px,
    #fff 92px, #fff 94px,
    transparent 94px, transparent 138px,
    #fff 138px, #fff 140px,
    transparent 140px, transparent 184px
  );

  --font-display: "Space Grotesk", "Helvetica Neue", Arial, sans-serif;
  --font-body:    "Inter", "Helvetica Neue", Arial, sans-serif;
  --font-mono:    "JetBrains Mono", "SFMono-Regular", Consolas, monospace;

  --header-h: 76px;
  --edge: clamp(24px, 5vw, 72px);
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }

body{
  margin:0;
  background:var(--void);
  color:var(--ink);
  font-family:var(--font-body);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

a{ color:inherit; text-decoration:none; }
button{ font:inherit; color:inherit; background:none; border:none; cursor:pointer; }
ul{ list-style:none; margin:0; padding:0; }

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{ animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important; scroll-behavior:auto !important; }
}

:focus-visible{
  outline:2px solid var(--signal);
  outline-offset:3px;
  border-radius:4px;
}

/* ==================================================================
   HEADER
   ================================================================== */
.site-header{
  position:fixed; top:0; left:0; right:0; z-index:100;
  height:var(--header-h);
  background:rgba(6,9,10,0.72);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line-soft);
}
.header-inner{
  height:100%;
  max-width:1440px; margin:0 auto;
  padding:0 var(--edge);
  display:flex; align-items:center; gap:32px;
}
.logo{
  display:flex; align-items:center; gap:9px;
  font-family:var(--font-display); font-weight:600; font-size:1.15rem;
  color:var(--ink); margin-right:auto;
  white-space:nowrap;
}
.logo-mark{ color:var(--signal); display:flex; }
.logo-accent{ color:var(--signal); }

.main-nav{ display:flex; gap:28px; }
.main-nav a{
  font-family:var(--font-mono); font-size:0.82rem; letter-spacing:0.02em;
  color:var(--mist); transition:color 0.2s ease;
  position:relative; padding-bottom:2px;
}
.main-nav a:hover{ color:var(--ink); }
.main-nav a::after{
  content:""; position:absolute; left:0; bottom:-3px; width:0; height:1px;
  background:var(--signal); transition:width 0.25s ease;
}
.main-nav a:hover::after{ width:100%; }

.header-actions{ display:flex; gap:10px; align-items:center; }

.btn{
  display:inline-flex; align-items:center; gap:8px;
  padding:10px 18px; border-radius:999px;
  font-family:var(--font-mono); font-size:0.78rem; font-weight:500;
  letter-spacing:0.01em; white-space:nowrap;
  transition:transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}
.btn:hover{ transform:translateY(-1px); }
.btn:active{ transform:translateY(0); }
@media (hover:none){ .btn:hover{ transform:none; } }

.btn-whatsapp{
  background:var(--whatsapp); color:#06120a;
  box-shadow:0 0 0 1px rgba(37,211,102,0.4), 0 6px 18px -8px rgba(37,211,102,0.6);
}
.btn-whatsapp:hover{ background:#2fe374; }

.btn-neon{
  background:transparent; color:var(--signal);
  box-shadow:0 0 0 1px var(--signal) inset;
}
.btn-neon:hover{ background:rgba(57,255,138,0.08); box-shadow:0 0 0 1px var(--signal) inset, 0 0 20px -4px var(--signal); }

.btn-lg{ padding:14px 26px; font-size:0.85rem; }

.lang-switcher{ position:relative; }
.lang-toggle{
  display:flex; align-items:center; gap:6px;
  color:var(--mist); padding:8px; border-radius:8px;
  font-family:var(--font-mono); font-size:0.78rem;
  transition:color 0.2s ease, background 0.2s ease;
}
.lang-toggle:hover{ color:var(--ink); background:var(--line-soft); }
.lang-menu{
  position:absolute; top:calc(100% + 10px); right:0;
  background:var(--surface); border:1px solid var(--line-soft);
  border-radius:10px; padding:6px; min-width:150px;
  opacity:0; visibility:hidden; transform:translateY(-6px);
  transition:opacity 0.18s ease, transform 0.18s ease, visibility 0.18s;
  box-shadow:0 20px 40px -12px rgba(0,0,0,0.6);
}
.lang-menu.open{ opacity:1; visibility:visible; transform:translateY(0); }
.lang-menu li{
  padding:9px 12px; border-radius:6px; font-size:0.85rem;
  color:var(--mist); cursor:pointer; transition:background 0.15s ease, color 0.15s ease;
}
.lang-menu li:hover{ background:rgba(57,255,138,0.08); color:var(--ink); }
.lang-menu li[aria-selected="true"]{ color:var(--signal); }

.mobile-cta-icon{ display:none; color:var(--whatsapp); padding:6px; }

/* ==================================================================
   SCROLL CONTAINER — snap scroll on desktop
   ================================================================== */
.scroll-container{
  height:100vh;
  overflow-y:auto;
  scroll-snap-type:y mandatory;
  scroll-padding-top:var(--header-h);
}
.section{
  min-height:100vh;
  scroll-snap-align:start;
  display:flex; flex-direction:column; justify-content:center;
  padding:calc(var(--header-h) + 32px) var(--edge) 48px;
  position:relative;
  overflow:hidden;
}

/* ==================================================================
   SECTION BACKGROUND FX — fixed line field with traveling light
   The stripes themselves stay put; a brightness sweep travels across
   them (masked to the line shape) so only the lines light up as it
   passes — the same idea as the hero's signal-pulse, applied to a
   whole field of fixed diagonal lines.
   ================================================================== */
.fx-lines{
  position:absolute; inset:-10%; z-index:0; pointer-events:none;
  opacity:0.24;
  background:repeating-linear-gradient(115deg,
    var(--signal) 0px, var(--signal) 2px,
    transparent 2px, transparent 46px,
    var(--cyan-pulse) 46px, var(--cyan-pulse) 48px,
    transparent 48px, transparent 92px,
    var(--violet-pulse) 92px, var(--violet-pulse) 94px,
    transparent 94px, transparent 138px,
    var(--magenta-pulse) 138px, var(--magenta-pulse) 140px,
    transparent 140px, transparent 184px
  );
}
.fx-lines::after{
  content:"";
  position:absolute; inset:0;
  background:linear-gradient(115deg,
    transparent 40%,
    rgba(220,255,232,0.95) 50%,
    transparent 60%
  );
  background-size:70% 70%;
  background-repeat:no-repeat;
  mix-blend-mode:screen;
  -webkit-mask-image:var(--line-mask);
  mask-image:var(--line-mask);
  animation:fx-sweep 7s ease-in-out infinite;
}
@keyframes fx-sweep{
  0%{ background-position:-40% -40%; }
  50%{ background-position:120% 120%; }
  100%{ background-position:-40% -40%; }
}
@media (max-width:600px){
  .fx-lines{ opacity:0.16; }
}

/* ==================================================================
   SIGNATURE ELEMENT — the signal line
   A vertical line at the hero's left edge with a traveling pulse:
   the visual metaphor for a message being transmitted and answered
   the instant it arrives.
   ================================================================== */
.signal-line{
  position:absolute; left:calc(var(--edge) * 0.42); top:0; bottom:0;
  width:1px; background:linear-gradient(to bottom, transparent, var(--line) 12%, var(--line) 88%, transparent);
  display:block;
  z-index:1;
}
.signal-pulse{
  position:absolute; left:50%; top:-40px; width:7px; height:40px;
  transform:translateX(-50%);
  background:linear-gradient(to bottom, transparent, var(--signal) 55%, var(--cyan-pulse));
  filter:drop-shadow(0 0 6px var(--signal));
  animation:pulse-travel 5.5s linear infinite;
}
@keyframes pulse-travel{
  0%{ top:-40px; opacity:0; }
  8%{ opacity:1; }
  92%{ opacity:1; }
  100%{ top:100%; opacity:0; }
}
@media (max-width:960px){ .signal-line{ display:none; } }

/* ==================================================================
   SECTION 1 — HERO
   ================================================================== */
.hero-grid{
  max-width:1440px; margin:0 auto; width:100%;
  display:grid; grid-template-columns:1.15fr 0.85fr;
  gap:clamp(32px, 6vw, 96px);
  align-items:center;
  position:relative; z-index:1;
}

.eyebrow{
  font-family:var(--font-mono); font-size:0.78rem; letter-spacing:0.06em;
  color:var(--signal); text-transform:uppercase; margin:0 0 22px;
  text-shadow:0 0 18px rgba(57,255,138,0.35);
}

.slogan-stage{ position:relative; min-height:clamp(220px, 34vh, 320px); }
.slogan-slide{
  position:absolute; inset:0;
  opacity:0; transform:translateY(14px);
  transition:opacity var(--fade-time, 0.8s) ease, transform var(--fade-time, 0.8s) ease;
  pointer-events:none;
}
.slogan-slide.active{
  opacity:1; transform:translateY(0);
  pointer-events:auto;
  transition:opacity var(--fade-time, 0.8s) ease, transform var(--fade-time, 0.8s) ease;
}
.slogan-principal{
  font-family:var(--font-display); font-weight:700;
  font-size:clamp(2rem, 4vw, 3.4rem); line-height:1.08;
  margin:0 0 22px; letter-spacing:-0.01em;
  text-shadow:0 2px 40px rgba(0,0,0,0.5), 0 0 30px rgba(57,255,138,0.08);
}
.slogan-subtext{
  font-family:var(--font-body); font-weight:400;
  font-size:clamp(0.98rem, 1.2vw, 1.15rem); line-height:1.6;
  color:var(--mist); max-width:52ch; margin:0;
  text-shadow:0 2px 20px rgba(0,0,0,0.4);
}

.slogan-dots{ display:flex; gap:9px; margin-top:34px; }
.slogan-dots button{
  width:26px; height:3px; border-radius:2px;
  background:var(--line-soft); transition:background 0.3s ease, width 0.3s ease;
}
.slogan-dots button.active{ background:var(--signal); width:38px; box-shadow:0 0 10px rgba(57,255,138,0.6); }
.slogan-dots button:hover{ background:var(--mist-dim); }

/* ---- Phone mockup ---- */
.hero-phone{ display:flex; justify-content:center; }
.phone-frame{
  width:min(330px, 78vw);
  aspect-ratio:9/19.5;
  background:linear-gradient(160deg, #14201b, #0a100e);
  border-radius:42px;
  padding:14px;
  border:4.5px solid var(--signal);
  box-shadow:
    0 40px 90px -30px rgba(0,0,0,0.8),
    0 0 24px -2px rgba(57,255,138,0.6),
    0 0 60px -12px rgba(57,255,138,0.3);
  position:relative;
}
.phone-notch{
  position:absolute; top:14px; left:50%; transform:translateX(-50%);
  width:38%; height:22px; background:#050807; border-radius:0 0 16px 16px;
  z-index:2;
}
.phone-screen{
  width:100%; height:100%;
  background:
    radial-gradient(120% 60% at 50% 0%, rgba(226, 16, 69, 0.06), transparent 60%),
    #474948;
  border-radius:30px;
  overflow:hidden;
  display:flex; flex-direction:column;
  position:relative;
}
.wa-header{
  display:flex; align-items:center; gap:10px;
  padding:22px 14px 10px;
  border-bottom:1px solid var(--line-soft);
}
.wa-avatar{
  width:32px; height:32px; border-radius:50%;
  background:rgba(57,255,138,0.1); color:var(--signal);
  display:flex; align-items:center; justify-content:center; flex-shrink:0;
}
.wa-header-text{ display:flex; flex-direction:column; line-height:1.25; overflow:hidden; }
.wa-name{ font-family:var(--font-display); font-weight:600; font-size:0.82rem; }
.wa-status{ font-family:var(--font-mono); font-size:0.65rem; color:var(--signal); }
.wa-lang-badge{
  margin-left:auto; font-family:var(--font-mono); font-size:0.62rem;
  padding:3px 8px; border-radius:999px; border:1px solid var(--line);
  color:var(--signal); letter-spacing:0.04em; flex-shrink:0;
}

.wa-body{
  flex:1; padding:14px 12px; display:flex; flex-direction:column; gap:8px;
  overflow-y:hidden;
  background-image:radial-gradient(rgba(238,247,242,0.025) 1px, transparent 1px);
  background-size:14px 14px;
}
.wa-msg{
  max-width:82%; padding:8px 11px; border-radius:13px;
  font-size:0.74rem; line-height:1.42; font-family:var(--font-body);
  opacity:0; transform:translateY(8px) scale(0.98);
  animation:msg-in 0.4s ease forwards;
  box-shadow:0 4px 14px -6px rgba(0,0,0,0.5);
}
@keyframes msg-in{ to{ opacity:1; transform:translateY(0) scale(1); } }
.wa-msg.in{ align-self:flex-start; background:#182420; border-bottom-left-radius:3px; color:var(--ink); }
.wa-msg.out{ align-self:flex-end; background:linear-gradient(135deg,#1f7a4a,#1a6b3f); border-bottom-right-radius:3px; color:#eafff2; }
.wa-msg .wa-time{ display:block; font-family:var(--font-mono); font-size:0.58rem; opacity:0.55; margin-top:3px; text-align:right; }

.wa-typing{ align-self:flex-start; display:flex; gap:4px; padding:9px 13px; border-radius:13px; background:#182420; }
.wa-typing span{ width:5px; height:5px; border-radius:50%; background:var(--mist); animation:typing-bounce 1.1s infinite ease-in-out; }
.wa-typing span:nth-child(2){ animation-delay:0.15s; }
.wa-typing span:nth-child(3){ animation-delay:0.3s; }
@keyframes typing-bounce{ 0%,60%,100%{ transform:translateY(0); opacity:0.5; } 30%{ transform:translateY(-4px); opacity:1; } }

.wa-input-bar{
  display:flex; align-items:center; justify-content:space-between;
  margin:0 10px 12px; padding:9px 13px; border-radius:20px;
  background:var(--surface-2); border:1px solid var(--line-soft);
}
.wa-input-placeholder{ font-size:0.68rem; color: #ffffff; font-family:var(--font-body); }
/* .wa-input-placeholder{ font-size:0.68rem; color:var(--mist-dim); font-family:var(--font-body); } */
.wa-mic{ color:var(--signal); display:flex; }

/* ==================================================================
   SECTION 2 — CTA
   ================================================================== */
.cta-section{
  background:
    radial-gradient(60% 50% at 50% 30%, rgba(57,255,138,0.06), transparent 70%),
    var(--void);
  text-align:center;
}
.cta-grid{ max-width:840px; margin:0 auto; position:relative; z-index:1; }
.cta-grid .eyebrow{ text-align:center; }
.cta-headline{
  font-family:var(--font-display); font-weight:700;
  font-size:clamp(2.1rem, 5vw, 3.6rem); line-height:1.1;
  margin:0 0 22px; letter-spacing:-0.01em;
  text-shadow:0 2px 40px rgba(0,0,0,0.5), 0 0 30px rgba(57,255,138,0.1);
}
.cta-body{
  font-size:clamp(1rem, 1.4vw, 1.2rem); line-height:1.65; color:var(--mist);
  max-width:56ch; margin:0 auto 40px;
  text-shadow:0 2px 20px rgba(0,0,0,0.4);
}
.cta-actions{ display:flex; justify-content:center; gap:16px; flex-wrap:wrap; margin-bottom:64px; }

.stats-strip{
  display:flex; justify-content:center; gap:0;
  border-top:1px solid var(--line-soft);
  padding-top:36px;
}
.stat{
  display:flex; flex-direction:column; align-items:center; gap:6px;
  padding:0 clamp(20px, 4vw, 48px);
  border-left:1px solid var(--line-soft);
}
.stat:first-child{ border-left:none; }
.stat-num{
  font-family:var(--font-mono); font-weight:600; font-size:clamp(1.3rem, 2.4vw, 1.9rem);
  color:var(--signal); text-shadow:0 0 20px rgba(57,255,138,0.35);
}
.stat-label{ font-family:var(--font-mono); font-size:0.68rem; letter-spacing:0.03em; color:var(--mist); text-transform:uppercase; }

/* ==================================================================
   FOOTER
   ================================================================== */
.site-footer{
  background:var(--surface); border-top:1px solid var(--line-soft);
  padding:28px var(--edge);
}
.footer-inner{
  max-width:1440px; margin:0 auto;
  display:flex; align-items:center; justify-content:space-between; flex-wrap:wrap; gap:10px;
}
.footer-brand{ font-family:var(--font-display); font-weight:600; color:var(--ink); }
.footer-tagline{ font-family:var(--font-mono); font-size:0.75rem; color:var(--mist); }
.footer-copy{ font-family:var(--font-mono); font-size:0.7rem; color:var(--mist-dim); }

/* ==================================================================
   RESPONSIVE
   ================================================================== */

/* Tablet: single column, phone on top, free scroll */
@media (max-width:960px){
  .scroll-container{ scroll-snap-type:none; height:auto; overflow-y:visible; }
  .section{ min-height:auto; padding-top:calc(var(--header-h) + 40px); padding-bottom:64px; }
  .hero-grid{ grid-template-columns:1fr; }
  .hero-phone{ order:-1; margin-bottom:36px; }
  .main-nav{ display:none; }
  .slogan-stage{ min-height:260px; }
}

/* Mobile */
@media (max-width:600px){
  :root{ --header-h:64px; }
  .header-inner{ gap:12px; padding:0 16px; }
  .logo-word{ font-size:1rem; }
  .header-actions{ display:none; }
  .mobile-cta-icon{ display:flex; }
  .section{ padding-left:20px; padding-right:20px; }
  .scroll-container{ scroll-snap-type:none; }
  .cta-actions{ flex-direction:column; align-items:stretch; }
  .cta-actions .btn{ justify-content:center; }
  .stats-strip{ flex-wrap:wrap; row-gap:20px; }
  .stat{ width:50%; border-left:none; padding:0 10px; }
  .phone-frame{ width:min(280px, 82vw); }
  .lang-menu{ right:-10px; }
}

/* Very small */
@media (max-width:360px){
  .slogan-principal{ font-size:1.6rem; }
  .eyebrow{ font-size:0.68rem; }
  .btn{ padding:9px 14px; font-size:0.72rem; }
  .phone-frame{ width:min(240px, 84vw); }
}