/* ============================================================
   SETINSHOP — Premium One Page
   Design system + layout
   ============================================================ */

:root {
  /* Palette */
  --bg:        #05060a;
  --bg-2:      #0a0c12;
  --surface:   #10131c;
  --surface-2: #161a26;
  --line:      rgba(255,255,255,0.08);
  --line-2:    rgba(255,255,255,0.14);

  --text:      #eef1f7;
  --muted:     #9aa3b5;
  --muted-2:   #6b7386;

  --accent:    #3b82f6;
  --accent-2:  #22d3ee;
  --accent-ink:#0a0f1f;
  --wa:        #25d366;
  --wa-ink:    #04170b;

  /* Type */
  --font-body: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  --font-disp: 'Space Grotesk', var(--font-body);

  /* Layout */
  --maxw: 1240px;
  --pad: clamp(20px, 5vw, 48px);
  --radius: 18px;
  --radius-sm: 12px;

  --shadow: 0 30px 80px -30px rgba(0,0,0,0.7);
  --shadow-glow: 0 0 0 1px var(--line), 0 40px 90px -40px rgba(59,130,246,0.35);

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------- Reset-ish ---------- */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { font-family: var(--font-disp); font-weight: 600; line-height: 1.05; letter-spacing: -0.02em; margin: 0; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
button { font: inherit; cursor: pointer; }

:focus-visible { outline: 2px solid var(--accent-2); outline-offset: 3px; border-radius: 6px; }

.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 200;
  background: var(--accent); color: #fff; padding: 12px 18px; border-radius: 0 0 10px 0; font-weight: 600;
}
.skip-link:focus { left: 0; }

.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--pad); }

/* ---------- Typography scale ---------- */
h1 { font-size: clamp(2.6rem, 7vw, 5.2rem); font-weight: 700; }
h2 { font-size: clamp(1.9rem, 4.2vw, 3.1rem); }
h3 { font-size: clamp(1.15rem, 2.2vw, 1.4rem); }

.grad-text {
  background: linear-gradient(100deg, #fff 0%, var(--accent-2) 40%, var(--accent) 80%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.kicker {
  font-family: var(--font-disp);
  font-size: 0.8rem; letter-spacing: 0.28em; text-transform: uppercase;
  color: var(--accent-2); font-weight: 600; margin-bottom: 14px;
}
.lead { color: var(--muted); font-size: clamp(1rem, 1.6vw, 1.18rem); max-width: 60ch; }
h2 + .lead { margin-top: 18px; }

/* ---------- Buttons ---------- */
.btn {
  --btn-bg: var(--surface-2);
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 15px 26px; border-radius: 999px; border: 1px solid transparent;
  font-weight: 600; font-size: 0.98rem; letter-spacing: 0.01em;
  transition: transform .3s var(--ease), background .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
  will-change: transform; white-space: nowrap; cursor: pointer;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn-sm { padding: 11px 18px; font-size: 0.9rem; }
.btn-lg { padding: 18px 34px; font-size: 1.05rem; }
.btn-block { display: flex; width: 100%; }

.btn-primary {
  background: linear-gradient(135deg, var(--accent) 0%, #2563eb 100%);
  color: #fff; box-shadow: 0 10px 30px -10px rgba(59,130,246,0.6);
}
.btn-primary:hover { box-shadow: 0 16px 40px -10px rgba(59,130,246,0.8); }

.btn-ghost {
  background: rgba(255,255,255,0.03); color: var(--text); border-color: var(--line-2);
  backdrop-filter: blur(6px);
}
.btn-ghost:hover { background: rgba(255,255,255,0.08); border-color: var(--accent); }

.btn-wa { background: var(--wa); color: var(--wa-ink); box-shadow: 0 10px 30px -12px rgba(37,211,102,0.6); }
.btn-wa:hover { box-shadow: 0 16px 40px -12px rgba(37,211,102,0.75); }

/* ---------- Header ---------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  transition: background .35s var(--ease), border-color .35s var(--ease), backdrop-filter .35s;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(6,8,13,0.72); backdrop-filter: blur(16px) saturate(140%);
  border-bottom-color: var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text); }
.brand-mark { color: var(--text); display: inline-flex; }
.brand-text { font-family: var(--font-disp); font-weight: 700; font-size: 1.25rem; letter-spacing: -0.02em; }
.brand-text span { color: var(--accent); }

.nav-desktop { display: flex; gap: 30px; }
.nav-desktop a {
  color: var(--muted); font-size: 0.95rem; font-weight: 500; position: relative; padding: 4px 0;
  transition: color .25s var(--ease);
}
.nav-desktop a::after {
  content: ''; position: absolute; left: 0; bottom: -2px; width: 0; height: 2px;
  background: var(--accent); transition: width .3s var(--ease); border-radius: 2px;
}
.nav-desktop a:hover { color: var(--text); }
.nav-desktop a:hover::after { width: 100%; }

.header-actions { display: flex; align-items: center; gap: 14px; }

.hamburger {
  display: none; flex-direction: column; gap: 5px; width: 44px; height: 44px;
  align-items: center; justify-content: center; background: rgba(255,255,255,0.04);
  border: 1px solid var(--line); border-radius: 12px;
}
.hamburger span { display: block; width: 20px; height: 2px; background: var(--text); border-radius: 2px; transition: transform .3s var(--ease), opacity .2s; }
.hamburger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.hamburger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu */
.mobile-menu {
  position: fixed; top: 0; right: 0; z-index: 99; height: 100dvh; width: min(88vw, 360px);
  background: var(--bg-2); border-left: 1px solid var(--line);
  transform: translateX(100%); transition: transform .4s var(--ease);
  display: flex; flex-direction: column; gap: 8px; padding: 96px 26px 32px;
}
.mobile-menu.open { transform: translateX(0); }
.mobile-menu nav { display: flex; flex-direction: column; }
.mobile-menu nav a {
  padding: 16px 4px; font-family: var(--font-disp); font-size: 1.2rem; font-weight: 500;
  border-bottom: 1px solid var(--line); color: var(--text);
  transition: color .2s, padding-left .25s var(--ease);
}
.mobile-menu nav a:hover { color: var(--accent-2); padding-left: 10px; }
.mobile-menu .btn { margin-top: 20px; }
.menu-overlay { position: fixed; inset: 0; z-index: 98; background: rgba(0,0,0,0.55); backdrop-filter: blur(3px); }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(34px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: .1s; }
.reveal[data-delay="2"] { transition-delay: .2s; }
.reveal[data-delay="3"] { transition-delay: .3s; }

/* ---------- Sections ---------- */
.section { padding: clamp(70px, 11vw, 140px) 0; position: relative; }
.section-head { max-width: 720px; margin-bottom: clamp(40px, 6vw, 66px); }
.section-head .lead { margin-top: 16px; }

/* ============================================================
   HERO
   ============================================================ */
.hero { position: relative; min-height: 100svh; display: flex; align-items: center; padding-top: 96px; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-glow {
  position: absolute; top: -10%; left: 55%; width: 70vw; height: 70vw; max-width: 900px; max-height: 900px;
  background: radial-gradient(circle, rgba(59,130,246,0.30) 0%, rgba(34,211,238,0.10) 35%, transparent 70%);
  filter: blur(20px); transform: translateX(-20%); animation: floatGlow 14s ease-in-out infinite alternate;
}
@keyframes floatGlow { to { transform: translate(-8%, 6%) scale(1.08); } }
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(circle at 60% 40%, #000 0%, transparent 75%);
  -webkit-mask-image: radial-gradient(circle at 60% 40%, #000 0%, transparent 75%);
}
#particles { position: absolute; inset: 0; width: 100%; height: 100%; }

.hero-inner {
  position: relative; z-index: 2; display: grid; grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(30px, 5vw, 70px); align-items: center; width: 100%;
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 12px; flex-wrap: wrap;
  font-family: var(--font-disp); font-size: 0.78rem; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 26px; padding: 8px 16px; border: 1px solid var(--line);
  border-radius: 999px; background: rgba(255,255,255,0.02);
}
.eyebrow .dot { width: 4px; height: 4px; border-radius: 50%; background: var(--accent-2); }
.hero-copy h1 { margin-bottom: 24px; }
.hero-sub { color: var(--muted); font-size: clamp(1.05rem, 1.8vw, 1.28rem); max-width: 46ch; margin-bottom: 36px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-cta.center { justify-content: center; }

.hero-trust { display: flex; gap: clamp(20px, 4vw, 44px); margin-top: 48px; flex-wrap: wrap; }
.hero-trust li { display: flex; flex-direction: column; }
.hero-trust strong { font-family: var(--font-disp); font-size: 1.15rem; color: var(--text); }
.hero-trust span { font-size: 0.82rem; color: var(--muted-2); text-transform: uppercase; letter-spacing: 0.08em; }

/* Hero device */
.hero-visual { display: flex; justify-content: center; align-items: center; }
.hero-device { position: relative; width: 100%; max-width: 560px; animation: deviceIn 1.4s var(--ease) both; }
.hero-device.big { max-width: 620px; }
@keyframes deviceIn { from { opacity: 0; transform: perspective(1200px) rotateX(14deg) translateY(40px) scale(.94); } to { opacity: 1; transform: perspective(1200px) rotateX(4deg) translateY(0) scale(1); } }
.device-svg { filter: drop-shadow(0 40px 60px rgba(0,0,0,0.6)); animation: deviceFloat 6s ease-in-out infinite; }
@keyframes deviceFloat { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-14px); } }
.device-badge {
  position: absolute; bottom: 4%; right: 2%; background: rgba(10,13,20,0.85); backdrop-filter: blur(8px);
  border: 1px solid var(--line-2); border-radius: 999px; padding: 9px 18px; font-family: var(--font-disp);
  font-size: 0.82rem; font-weight: 600; color: var(--text); box-shadow: var(--shadow);
}

.scroll-cue {
  position: absolute; bottom: 28px; left: 50%; transform: translateX(-50%); z-index: 3;
  width: 26px; height: 42px; border: 2px solid var(--line-2); border-radius: 20px; display: flex; justify-content: center; padding-top: 8px;
}
.scroll-cue span { width: 4px; height: 8px; border-radius: 3px; background: var(--accent-2); animation: scrollDot 1.6s ease-in-out infinite; }
@keyframes scrollDot { 0% { opacity: 0; transform: translateY(-4px); } 40% { opacity: 1; } 80%,100% { opacity: 0; transform: translateY(10px); } }

/* ============================================================
   CREDIBILIDADE — channels
   ============================================================ */
.channels-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.channel-card {
  position: relative; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px; overflow: hidden;
  transition: transform .4s var(--ease), border-color .4s var(--ease), background .4s var(--ease);
}
.channel-card::before {
  content: ''; position: absolute; inset: 0; opacity: 0;
  background: radial-gradient(120% 100% at 0% 0%, rgba(59,130,246,0.14), transparent 60%);
  transition: opacity .4s var(--ease);
}
.channel-card:hover { transform: translateY(-6px); border-color: var(--line-2); background: var(--surface-2); }
.channel-card:hover::before { opacity: 1; }
.channel-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 30px; }
.channel-badge {
  display: inline-flex; align-items: center; justify-content: center; min-width: 46px; height: 34px; padding: 0 12px;
  background: var(--c, #333); color: var(--ct, #fff); border-radius: 9px; font-family: var(--font-disp);
  font-weight: 700; font-size: 0.9rem;
}
.channel-badge.lg { min-width: 62px; height: 46px; font-size: 1.05rem; border-radius: 12px; }
.channel-badge.grad-ig, .grad-ig {
  background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888); color: #fff;
}
.channel-arrow { color: var(--muted-2); font-size: 1.1rem; transition: transform .3s var(--ease), color .3s; }
.channel-card:hover .channel-arrow { transform: translate(3px,-3px); color: var(--accent-2); }
.channel-card h3 { margin-bottom: 4px; }
.channel-card p { color: var(--muted); font-size: 0.92rem; margin-bottom: 18px; }
.channel-link { font-family: var(--font-disp); font-weight: 600; font-size: 0.9rem; color: var(--accent); position: relative; }
.channel-card:hover .channel-link { color: var(--accent-2); }

/* ============================================================
   IMPACT
   ============================================================ */
.impact { padding: clamp(80px, 12vw, 150px) 0; background: linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%); position: relative; }
.impact-inner { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: clamp(30px, 5vw, 60px); align-items: center; }
.impact-copy h2 { font-size: clamp(1.7rem, 3.6vw, 2.8rem); line-height: 1.15; letter-spacing: -0.02em; }
.impact-copy p { color: var(--muted); margin-top: 22px; font-size: 1.1rem; max-width: 52ch; }
.floating-device { animation: deviceFloat 7s ease-in-out infinite; filter: drop-shadow(0 30px 50px rgba(0,0,0,0.5)); }

/* ============================================================
   ARZOPA INTRO
   ============================================================ */
.arzopa-intro { background: var(--bg-2); }
.arzopa-inner { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(30px, 5vw, 70px); align-items: center; }
.feature-list { margin: 28px 0 34px; display: flex; flex-direction: column; gap: 14px; }
.feature-list li { display: flex; gap: 12px; align-items: flex-start; color: var(--text); font-size: 1.02rem; }
.feature-list .fi { color: var(--accent); font-size: 0.7rem; margin-top: 6px; }

.specs-orbit {
  position: relative; aspect-ratio: 1; max-width: 460px; margin-inline: auto; width: 100%;
  display: flex; align-items: center; justify-content: center;
}
.orbit-core {
  width: 150px; height: 150px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-family: var(--font-disp); font-weight: 700; font-size: 1.2rem; letter-spacing: 0.12em; color: #fff;
  background: radial-gradient(circle at 35% 30%, rgba(59,130,246,0.5), rgba(10,13,20,0.9));
  border: 1px solid var(--line-2); box-shadow: 0 0 60px -10px rgba(59,130,246,0.55), inset 0 0 30px rgba(59,130,246,0.2);
}
.spec-chip {
  position: absolute; padding: 9px 16px; border-radius: 999px; background: var(--surface); border: 1px solid var(--line-2);
  font-family: var(--font-disp); font-size: 0.82rem; font-weight: 600; color: var(--text); backdrop-filter: blur(4px);
  animation: chipFloat 8s ease-in-out infinite;
}
.spec-chip:nth-child(1) { top: 4%; left: 26%; }
.spec-chip:nth-child(2) { top: 20%; right: 2%; animation-delay: -1s; }
.spec-chip:nth-child(3) { top: 50%; left: -4%; animation-delay: -2s; }
.spec-chip:nth-child(4) { bottom: 18%; right: 4%; animation-delay: -3s; }
.spec-chip:nth-child(5) { bottom: 2%; left: 30%; animation-delay: -4s; }
.spec-chip:nth-child(6) { top: 44%; right: -6%; animation-delay: -5s; }
@keyframes chipFloat { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }

/* ============================================================
   PRODUCTS
   ============================================================ */
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.product-card {
  display: flex; flex-direction: column; background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden;
  transition: transform .45s var(--ease), border-color .45s var(--ease), box-shadow .45s var(--ease);
}
.product-card:hover { transform: translateY(-8px); border-color: var(--line-2); box-shadow: var(--shadow-glow); }
.product-media {
  position: relative; aspect-ratio: 16 / 11; overflow: hidden;
  display: flex; align-items: center; justify-content: center;
  background: #ffffff;
}
.product-photo {
  width: 100%; height: 100%; object-fit: contain; padding: 22px 26px 6px;
  transition: transform .55s var(--ease);
}
.product-card:hover .product-photo { transform: scale(1.05); }
.product-index {
  position: absolute; top: 14px; left: 18px; font-family: var(--font-disp); font-weight: 700; font-size: 1.5rem;
  color: rgba(15,20,35,0.16); z-index: 2;
}
.badge {
  position: absolute; top: 16px; right: 16px; z-index: 2; padding: 6px 13px; border-radius: 999px;
  font-family: var(--font-disp); font-size: 0.72rem; font-weight: 600; letter-spacing: 0.04em;
  background: rgba(15,20,35,0.9); border: 1px solid transparent; color: #fff; backdrop-filter: blur(4px);
}
.badge-hot { background: linear-gradient(135deg, var(--accent), #2563eb); color: #fff; border-color: transparent; }

/* CSS device inside product media */
.pmedia-device {
  position: relative; width: 72%; height: 62%; border-radius: 10px 10px 3px 3px;
  background: linear-gradient(160deg, #1a1e2b, #0d0f16); border: 1px solid rgba(255,255,255,0.1);
  box-shadow: 0 20px 40px -18px rgba(0,0,0,0.8);
  transition: transform .5s var(--ease);
}
.pmedia-device::before {
  content: ''; position: absolute; inset: 7px 7px 9px; border-radius: 5px;
  background:
    radial-gradient(80% 90% at 25% 20%, color-mix(in srgb, var(--accent, #3b82f6) 55%, transparent), transparent 60%),
    linear-gradient(150deg, #0b1324, #060912);
}
.pmedia-device::after {
  content: ''; position: absolute; left: 50%; bottom: -13px; transform: translateX(-50%);
  width: 34%; height: 12px; border-radius: 0 0 6px 6px;
  background: linear-gradient(180deg, #191c27, #0c0e15); box-shadow: 0 8px 14px -6px rgba(0,0,0,0.9);
}
.pmedia-device[data-accent] { --accent: attr(data-accent); }
.product-card:hover .pmedia-device { transform: translateY(-6px) scale(1.03); }

.product-body { padding: 24px; display: flex; flex-direction: column; flex: 1; background: var(--surface); }
.product-brand { font-family: var(--font-disp); font-size: 0.72rem; letter-spacing: 0.24em; text-transform: uppercase; color: var(--accent-2); margin-bottom: 6px; }
.product-body h3 { font-size: 1.5rem; margin-bottom: 8px; color: var(--text); }
.product-desc { color: var(--muted); font-size: 0.94rem; margin-bottom: 18px; }
.spec-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }
.spec-tags li {
  padding: 5px 11px; border-radius: 8px; background: rgba(255,255,255,0.04); border: 1px solid var(--line);
  font-size: 0.78rem; color: var(--text); font-weight: 500;
}
.product-actions { margin-top: auto; display: flex; gap: 10px; flex-wrap: wrap; }
.product-actions .btn { flex: 1; min-width: 130px; }

.products-note { margin-top: 40px; text-align: center; color: var(--muted-2); font-size: 0.92rem; max-width: 62ch; margin-inline: auto; }

/* ============================================================
   FEATURED
   ============================================================ */
.featured { overflow: hidden; background: var(--bg); }
.featured-bg {
  position: absolute; inset: 0;
  background: radial-gradient(90% 70% at 20% 40%, rgba(59,130,246,0.14), transparent 60%);
}
.featured-inner { position: relative; z-index: 2; display: grid; grid-template-columns: 1fr 1fr; gap: clamp(30px, 5vw, 70px); align-items: center; }
.feature-stage {
  position: relative; border-radius: var(--radius); overflow: hidden; aspect-ratio: 4 / 3;
  background: #ffffff;
  box-shadow: 0 40px 90px -35px rgba(0,0,0,0.8), 0 0 100px -35px rgba(59,130,246,0.45);
}
.feature-stage img {
  position: relative; width: 100%; height: 100%; object-fit: contain; padding: clamp(20px, 4vw, 48px);
  animation: deviceFloat 7s ease-in-out infinite;
}
.feat-metrics { display: grid; grid-template-columns: repeat(4, auto); gap: clamp(18px, 3vw, 34px); margin: 34px 0 36px; }
.feat-metrics > div { display: flex; flex-direction: column; }
.feat-metrics strong { font-family: var(--font-disp); font-size: clamp(1.4rem, 2.4vw, 1.9rem); color: var(--text); }
.feat-metrics span { font-size: 0.82rem; color: var(--muted-2); }

/* ============================================================
   COMPARE
   ============================================================ */
.compare { background: var(--bg-2); }
.compare-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.compare-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 26px;
  transition: transform .4s var(--ease), border-color .4s var(--ease); position: relative; overflow: hidden;
}
.compare-card:hover { transform: translateY(-6px); border-color: var(--accent); }
.cmp-icon {
  width: 54px; height: 54px; border-radius: 14px; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(140deg, rgba(59,130,246,0.18), rgba(34,211,238,0.06)); color: var(--accent-2);
  border: 1px solid var(--line-2); margin-bottom: 22px;
}
.compare-card h3 { margin-bottom: 8px; }
.compare-card p { color: var(--muted); font-size: 0.92rem; margin-bottom: 20px; }
.cmp-models { display: flex; gap: 8px; flex-wrap: wrap; }
.cmp-models span {
  font-family: var(--font-disp); font-weight: 600; font-size: 0.82rem; padding: 5px 12px; border-radius: 8px;
  background: rgba(59,130,246,0.12); color: #bcd3ff; border: 1px solid rgba(59,130,246,0.25);
}

/* ============================================================
   USE CASES
   ============================================================ */
.usecase-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.usecase-card {
  position: relative; min-height: 240px; padding: 30px; border-radius: var(--radius);
  background: linear-gradient(180deg, var(--surface), var(--bg-2)); border: 1px solid var(--line);
  display: flex; flex-direction: column; justify-content: flex-end; overflow: hidden;
  transition: transform .45s var(--ease), border-color .45s var(--ease);
}
.usecase-card:hover { transform: translateY(-8px); border-color: var(--line-2); }
.uc-glow {
  position: absolute; top: -40%; right: -30%; width: 80%; height: 80%; border-radius: 50%;
  background: radial-gradient(circle, rgba(59,130,246,0.28), transparent 65%);
  opacity: 0.5; transition: opacity .45s var(--ease), transform .6s var(--ease);
}
.usecase-card:hover .uc-glow { opacity: 1; transform: scale(1.15); }
.uc-num { font-family: var(--font-disp); font-weight: 700; font-size: 0.9rem; color: var(--accent-2); position: relative; margin-bottom: auto; }
.usecase-card h3 { position: relative; margin-bottom: 8px; }
.usecase-card p { position: relative; color: var(--muted); font-size: 0.94rem; }

/* ============================================================
   MARKETPLACES
   ============================================================ */
.marketplaces { background: var(--bg); }
.mkt-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.mkt-card {
  display: flex; flex-direction: column; align-items: flex-start; gap: 20px;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 32px;
  transition: transform .4s var(--ease), border-color .4s var(--ease), background .4s var(--ease);
}
.mkt-card:hover { transform: translateY(-6px); border-color: var(--line-2); background: var(--surface-2); }
.mkt-card h3 { margin-bottom: 6px; }
.mkt-card p { color: var(--muted); font-size: 0.92rem; }
.mkt-card .btn { margin-top: 4px; }

/* ============================================================
   ABOUT
   ============================================================ */
.about { background: var(--bg-2); }
.about-inner { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: clamp(34px, 5vw, 70px); align-items: center; }
.about-copy p + p { margin-top: 18px; color: var(--muted); }
.about-copy .hero-cta { margin-top: 34px; }
.about-pillars { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.pillar {
  padding: 24px; border-radius: var(--radius-sm); background: var(--surface); border: 1px solid var(--line);
  transition: border-color .35s var(--ease), transform .35s var(--ease);
}
.pillar:hover { border-color: var(--accent); transform: translateY(-4px); }
.pillar span { color: var(--accent); font-size: 0.7rem; }
.pillar h3 { font-size: 1.05rem; margin: 10px 0 6px; }
.pillar p { color: var(--muted); font-size: 0.88rem; }

/* ============================================================
   INSTAGRAM
   ============================================================ */
.instagram { background: var(--bg); }
.ig-mosaic { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.ig-tile {
  position: relative; aspect-ratio: 1; border-radius: var(--radius-sm); overflow: hidden;
  background:
    radial-gradient(120% 120% at 30% 20%, color-mix(in srgb, var(--accent, #3b82f6) 60%, transparent), transparent 60%),
    linear-gradient(150deg, #12172a, #0a0c14);
  border: 1px solid var(--line); transition: transform .4s var(--ease), border-color .4s var(--ease);
}
.ig-tile::after {
  content: ''; position: absolute; inset: 0; opacity: 0.15;
  background-image: linear-gradient(rgba(255,255,255,0.4) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.4) 1px, transparent 1px);
  background-size: 22px 22px; mask-image: radial-gradient(circle at 70% 70%, #000, transparent 70%);
}
.ig-tile:not(.ig-cta):hover { transform: scale(1.03); border-color: var(--line-2); }
.ig-cta {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 16px;
  background: var(--surface-2); color: var(--accent-2);
}
.ig-cta::after { display: none; }

/* ============================================================
   FINAL CTA
   ============================================================ */
.final-cta { position: relative; padding: clamp(90px, 14vw, 170px) 0; text-align: center; overflow: hidden; }
.final-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(60% 80% at 50% 120%, rgba(59,130,246,0.30), transparent 60%),
    radial-gradient(50% 60% at 50% -10%, rgba(34,211,238,0.14), transparent 60%),
    var(--bg-2);
}
.final-inner { position: relative; z-index: 2; display: flex; flex-direction: column; align-items: center; }
.final-inner h2 { font-size: clamp(2.4rem, 6vw, 4.4rem); margin: 12px 0 18px; }
.final-inner .lead { margin-bottom: 40px; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer { background: var(--bg); border-top: 1px solid var(--line); padding-top: 70px; }
.footer-inner { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 50px; }
.footer-brand .brand { margin-bottom: 16px; }
.footer-brand > p { color: var(--muted); font-family: var(--font-disp); letter-spacing: 0.08em; font-size: 0.9rem; }
.footer-small { margin-top: 12px !important; color: var(--muted-2) !important; font-family: var(--font-body) !important; letter-spacing: 0 !important; font-size: 0.85rem; max-width: 40ch; }
.footer-col h4 { font-family: var(--font-disp); font-size: 0.82rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted-2); margin-bottom: 18px; }
.footer-col { display: flex; flex-direction: column; gap: 12px; }
.footer-col a { color: var(--muted); font-size: 0.94rem; transition: color .25s, padding-left .25s var(--ease); width: fit-content; }
.footer-col a:hover { color: var(--text); padding-left: 4px; }
.footer-bottom {
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  padding: 26px 0 40px; border-top: 1px solid var(--line);
}
.footer-bottom p { color: var(--muted-2); font-size: 0.84rem; }
.footer-legal { max-width: 50ch; }

/* ============================================================
   FLOATING WHATSAPP
   ============================================================ */
.wa-float {
  position: fixed; right: 22px; bottom: 22px; z-index: 90; width: 60px; height: 60px; border-radius: 50%;
  background: var(--wa); color: var(--wa-ink); display: flex; align-items: center; justify-content: center;
  box-shadow: 0 14px 34px -8px rgba(37,211,102,0.6); transition: transform .3s var(--ease);
}
.wa-float:hover { transform: scale(1.08) translateY(-2px); }
.wa-pulse { position: absolute; inset: 0; border-radius: 50%; border: 2px solid var(--wa); animation: waPulse 2.4s ease-out infinite; }
@keyframes waPulse { 0% { transform: scale(1); opacity: 0.7; } 100% { transform: scale(1.7); opacity: 0; } }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1080px) {
  .channels-grid, .compare-grid, .usecase-grid { grid-template-columns: repeat(2, 1fr); }
  .product-grid, .mkt-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .nav-desktop { display: none; }
  .header-actions .btn-wa { display: none; }
  .hamburger { display: flex; }
  .hero-inner { grid-template-columns: 1fr; text-align: left; }
  .hero-visual { order: -1; }
  .hero-device { max-width: 420px; }
  .impact-inner, .arzopa-inner, .featured-inner, .about-inner { grid-template-columns: 1fr; }
  .impact-visual, .arzopa-visual { display: none; }
  .featured-visual { order: -1; }
  .about-pillars { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 620px) {
  h1 { font-size: clamp(2.4rem, 12vw, 3.2rem); }
  .product-grid, .mkt-grid, .channels-grid, .compare-grid, .usecase-grid, .ig-mosaic { grid-template-columns: 1fr; }
  .feat-metrics { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .hero-cta .btn, .about-copy .hero-cta .btn { flex: 1; }
  .hero-trust { gap: 22px; }
  .ig-mosaic { grid-template-columns: 1fr 1fr; }
  .btn { padding: 14px 20px; }
  .wa-float { width: 54px; height: 54px; right: 16px; bottom: 16px; }
}

@media (max-width: 380px) {
  .footer-inner { grid-template-columns: 1fr; }
  .about-pillars { grid-template-columns: 1fr; }
}

/* ---------- Reduced motion ---------- */
@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; }
  .reveal { opacity: 1; transform: none; }
  #particles { display: none; }
}