/* ===== Design tokens ===== */
:root {
  --graphite: #111827;
  --graphite-soft: #1c2536;
  --sapphire: #2563EB;
  --sapphire-dark: #1D4ED8;
  --light-blue: #60A5FA;
  --white: #FFFFFF;
  --ink-muted: #9CA3AF;
  --border-soft: rgba(255, 255, 255, 0.08);

  --font-base: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-card: 0 10px 30px rgba(17, 24, 39, 0.08);
  --shadow-card-dark: 0 20px 45px rgba(0, 0, 0, 0.35);
  --container-width: 1160px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

html, body {
  overflow-x: hidden;
}

body {
  margin: 0;
  font-family: var(--font-base);
  color: var(--graphite);
  background: var(--white);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

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

ul { margin: 0; padding: 0; list-style: none; }

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

h1, h2, h3 { line-height: 1.2; margin: 0; font-weight: 800; }
p { margin: 0; }

.text-accent { color: var(--sapphire); }

.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--sapphire);
  margin-bottom: 14px;
}

.eyebrow--light { color: var(--light-blue); }

.section-head {
  max-width: 620px;
  margin: 0 auto 48px;
  text-align: center;
}

.section-head h2 {
  font-size: clamp(28px, 3.4vw, 38px);
  margin-bottom: 14px;
}

.section-lead {
  color: #4B5563;
  font-size: 17px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  border: 2px solid transparent;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  white-space: nowrap;
}

.btn:hover { transform: translateY(-2px); }

.btn--primary {
  background: var(--sapphire);
  color: var(--white);
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.35);
}

.btn--primary:hover { background: var(--sapphire-dark); }

.btn--whatsapp {
  background: #25D366;
  color: var(--white);
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.3);
}

.btn--whatsapp:hover { background: #1fbd59; }

.btn--nav {
  padding: 10px 18px;
  font-size: 14px;
}

.btn--large {
  padding: 18px 34px;
  font-size: 17px;
}

.icon-whatsapp {
  width: 20px;
  height: 20px;
  fill: currentColor;
  flex-shrink: 0;
}

/* ===== Header ===== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(17, 24, 39, 0.06);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-top: 14px;
  padding-bottom: 14px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 19px;
  color: var(--graphite);
}

.brand__name strong { color: var(--sapphire); font-weight: 800; }

.brand__logo {
  width: 40px;
  height: 40px;
  object-fit: contain;
  flex-shrink: 0;
}

.brand__logo--small {
  width: 32px;
  height: 32px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 15px;
  font-weight: 500;
  color: #374151;
}

.nav a:hover { color: var(--sapphire); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--graphite);
  border-radius: 2px;
}

/* ===== Hero ===== */
.hero {
  background:
    radial-gradient(1200px 500px at 15% -10%, rgba(37, 99, 235, 0.10), transparent 60%),
    radial-gradient(900px 500px at 100% 0%, rgba(96, 165, 250, 0.12), transparent 55%),
    var(--white);
  padding: 90px 0 100px;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}

.hero__content,
.hero__visual {
  min-width: 0;
}

.hero h1 {
  font-size: clamp(34px, 4.4vw, 54px);
  margin-bottom: 22px;
  letter-spacing: -0.02em;
}

.hero__lead {
  font-size: 18px;
  color: #4B5563;
  max-width: 540px;
  margin-bottom: 34px;
}

.hero__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero__stats {
  display: flex;
  gap: 24px 36px;
  flex-wrap: wrap;
}

.stat { display: flex; flex-direction: column; gap: 4px; }

.stat__number {
  font-size: 26px;
  font-weight: 800;
  color: var(--sapphire);
}

.stat__label {
  font-size: 13px;
  color: #6B7280;
  max-width: 140px;
}

.hero__visual {
  position: relative;
  height: 380px;
}

.hero__card {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--graphite);
  color: var(--white);
  padding: 16px 20px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card-dark);
  font-size: 14px;
  font-weight: 500;
  width: max-content;
  max-width: 260px;
}

.hero__card--1 { top: 0; right: 10%; }
.hero__card--2 { top: 42%; left: 0; }
.hero__card--3 { bottom: 4%; right: 4%; }

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.dot--sapphire { background: var(--sapphire); box-shadow: 0 0 0 4px rgba(37,99,235,0.25); }
.dot--light { background: var(--light-blue); box-shadow: 0 0 0 4px rgba(96,165,250,0.25); }

/* ===== Services ===== */
.services { padding: 100px 0; background: #F9FAFB; }

.cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  max-width: 820px;
  margin: 0 auto;
}

.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 34px 30px;
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(17,24,39,0.05);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 40px rgba(17,24,39,0.12);
}

.card__icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: rgba(37, 99, 235, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
}

.card__icon svg {
  width: 26px;
  height: 26px;
  fill: none;
  stroke: var(--sapphire);
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.card h3 {
  font-size: 20px;
  margin-bottom: 12px;
}

.card p {
  color: #4B5563;
  font-size: 15px;
  margin-bottom: 18px;
}

.card__list li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  color: #374151;
  margin-bottom: 8px;
}

.card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--light-blue);
}

/* ===== Process ===== */
.process { padding: 100px 0; }

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.step {
  padding: 28px 22px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(17,24,39,0.08);
}

.step__number {
  display: inline-block;
  font-size: 14px;
  font-weight: 800;
  color: var(--white);
  background: var(--sapphire);
  width: 34px;
  height: 34px;
  border-radius: 50%;
  text-align: center;
  line-height: 34px;
  margin-bottom: 16px;
}

.step h3 {
  font-size: 17px;
  margin-bottom: 8px;
}

.step p {
  font-size: 14px;
  color: #4B5563;
}

/* ===== About ===== */
.about {
  padding: 100px 0;
  background: var(--graphite);
  color: var(--white);
}

.about__inner {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 56px;
  align-items: center;
}

.about__visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.about__logo {
  width: 220px;
  height: 220px;
  object-fit: contain;
}

.about h2 {
  font-size: clamp(26px, 3.2vw, 36px);
  margin-bottom: 20px;
  color: var(--white);
}

.about p {
  color: #D1D5DB;
  font-size: 16px;
  margin-bottom: 16px;
  max-width: 560px;
}

/* ===== Contact ===== */
.contact {
  padding: 110px 0;
  text-align: center;
  background:
    radial-gradient(800px 400px at 50% 0%, rgba(37,99,235,0.12), transparent 60%),
    var(--white);
}

.contact__inner {
  max-width: 620px;
  margin: 0 auto;
}

.contact h2 {
  font-size: clamp(28px, 3.6vw, 40px);
  margin-bottom: 18px;
}

.contact__lead {
  color: #4B5563;
  font-size: 17px;
  margin-bottom: 36px;
  display: block;
}

/* ===== Footer ===== */
.footer {
  background: var(--graphite);
  color: #D1D5DB;
  padding-top: 56px;
}

.footer__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  justify-content: space-between;
  align-items: flex-start;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--border-soft);
}

.brand--footer { color: var(--white); }

.footer__nav {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  font-size: 14px;
}

.footer__nav a:hover { color: var(--light-blue); }

.footer__info {
  font-size: 14px;
  text-align: right;
}

.footer__info p { margin-bottom: 6px; }

.footer__info a:hover { color: var(--light-blue); }

.footer__bottom {
  padding: 20px 0;
  font-size: 13px;
  color: #6B7280;
  text-align: center;
}

/* ===== WhatsApp floating button ===== */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: #25D366;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 28px rgba(37, 211, 102, 0.45);
  z-index: 200;
  transition: transform 0.15s ease;
}

.whatsapp-float:hover { transform: scale(1.08); }

.whatsapp-float .icon-whatsapp {
  width: 28px;
  height: 28px;
  color: var(--white);
}

/* ===== Responsive ===== */
@media (max-width: 960px) {
  .hero__inner { grid-template-columns: 1fr; }
  .hero__visual { height: 260px; margin-top: 20px; }
  .cards { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .about__inner { grid-template-columns: 1fr; text-align: center; }
  .about__visual { order: -1; }
  .about p { margin-left: auto; margin-right: auto; }
  .footer__inner { flex-direction: column; }
  .footer__info { text-align: left; }
}

@media (max-width: 720px) {
  .nav { display: none; }
  .nav-toggle { display: flex; }
  .btn--nav { display: none; }

  .header.nav-open .nav {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    padding: 20px 24px;
    gap: 18px;
    border-bottom: 1px solid rgba(17,24,39,0.08);
  }

  .cards { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .hero__card { position: static; margin-bottom: 12px; max-width: none; }
  .hero__visual { height: auto; display: flex; flex-direction: column; }

  .btn--large {
    white-space: normal;
    text-align: center;
    justify-content: center;
  }
}