:root {
  --ink: #151515;
  --muted: #646464;
  --line: #dedede;
  --paper: #f7f7f6;
  --white: #ffffff;
  --orange: #ff5a00;
  --orange-dark: #d84a00;
  --orange-soft: #fff0e7;
  --charcoal: #050505;
  --graphite: #252525;
  --shadow: 0 24px 70px rgba(10, 10, 10, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
  letter-spacing: 0;
}

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

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

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  padding: 16px clamp(18px, 5vw, 64px);
  color: var(--white);
  transition: background 180ms ease, color 180ms ease, box-shadow 180ms ease;
}

.site-header.is-scrolled,
.site-header.is-open {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 10px 30px rgba(16, 28, 27, 0.08);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  min-width: 210px;
  padding: 8px 10px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
}

.brand-logo {
  width: clamp(178px, 18vw, 230px);
  height: auto;
  object-fit: contain;
}

.site-nav {
  display: flex;
  gap: 28px;
  align-items: center;
  font-size: 14px;
  font-weight: 700;
}

.site-nav a {
  opacity: 0.86;
}

.site-nav a:hover {
  opacity: 1;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid currentColor;
  border-radius: 6px;
  background: transparent;
  color: inherit;
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: currentColor;
}

.hero {
  position: relative;
  min-height: 92vh;
  display: grid;
  align-items: center;
  overflow: hidden;
  background: var(--graphite);
}

.hero img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(5, 5, 5, 0.9) 0%, rgba(5, 5, 5, 0.68) 38%, rgba(5, 5, 5, 0.12) 76%),
    linear-gradient(180deg, rgba(5, 5, 5, 0.18), rgba(5, 5, 5, 0.46));
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(880px, calc(100% - 36px));
  margin-left: clamp(18px, 7vw, 96px);
  padding-top: 82px;
  color: var(--white);
}

.eyebrow,
.section-kicker {
  color: var(--orange);
  font-size: clamp(14px, 1.15vw, 16px);
  font-weight: 800;
  text-transform: uppercase;
}

.section-kicker {
  display: block;
  margin-bottom: 14px;
}

.intro > .section-kicker {
  margin-bottom: 18px;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 690px;
  margin-bottom: 24px;
  font-size: clamp(40px, 5.4vw, 72px);
  line-height: 1.02;
}

.hero-copy {
  max-width: 670px;
  margin-bottom: 30px;
  color: rgba(255, 255, 255, 0.86);
  font-size: clamp(17px, 2vw, 21px);
  line-height: 1.6;
}

.hero-actions,
.hero-metrics,
.solution-row,
.proof-points {
  display: flex;
  flex-wrap: wrap;
}

.hero-actions {
  gap: 14px;
  margin-bottom: 42px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-weight: 800;
}

.button.primary {
  color: var(--white);
  background: var(--orange);
}

.button.primary:hover {
  background: var(--orange-dark);
}

.button.secondary {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.56);
  background: rgba(255, 255, 255, 0.08);
}

.hero-metrics {
  gap: 16px;
  padding: 0;
  margin: 0;
}

.hero-metrics div {
  width: min(250px, 100%);
  padding-left: 16px;
  border-left: 2px solid var(--orange);
}

.hero-metrics dt {
  font-size: 22px;
  font-weight: 800;
}

.hero-metrics dd {
  margin: 6px 0 0;
  color: rgba(255, 255, 255, 0.76);
  font-size: 13px;
  line-height: 1.45;
}

.hero-metrics dd strong {
  display: block;
  margin-bottom: 4px;
  color: var(--white);
  font-size: 14px;
}

.section {
  padding: clamp(62px, 8vw, 110px) clamp(18px, 5vw, 72px);
}

.intro,
.split,
.proof,
.contact {
  max-width: 1180px;
  margin: 0 auto;
}

.intro-grid,
.split,
.contact {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  gap: clamp(34px, 6vw, 82px);
  align-items: start;
}

.intro h2,
.section-heading h2,
.split h2,
.proof h2,
.contact h2 {
  margin-bottom: 0;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.08;
}

.split h2,
.contact h2 {
  margin-bottom: 18px;
}

.intro p,
.split p,
.contact p {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.7;
}

.contact .contact-emphasis {
  margin-top: 20px;
  color: var(--graphite);
  font-size: clamp(19px, 2vw, 24px);
  font-weight: 800;
  line-height: 1.35;
}

.band {
  background: var(--white);
}

.section-heading {
  max-width: 900px;
  margin: 0 auto 36px;
}

.section-heading p {
  max-width: 760px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.65;
}

.feature-grid {
  display: grid;
  max-width: 1180px;
  margin: 0 auto;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.feature-card {
  min-height: 190px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 12px 38px rgba(20, 35, 34, 0.05);
}

.feature-card h3,
.solution-row h3 {
  margin-bottom: 12px;
  font-size: 22px;
}

.feature-card p,
.solution-row p {
  color: var(--muted);
  line-height: 1.65;
}

.process-list {
  display: grid;
  gap: 14px;
}

.process-list div {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 18px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.process-list strong {
  color: var(--charcoal);
}

.process-list span {
  color: var(--muted);
  line-height: 1.55;
}

.solution-row {
  max-width: 1180px;
  margin: 0 auto;
  gap: 18px;
}

.solution-row article {
  flex: 1 1 280px;
  min-height: 210px;
  padding: 28px;
  border-left: 4px solid var(--orange);
  background: var(--paper);
}

.proof {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 42px;
  align-items: center;
  padding-bottom: clamp(34px, 5vw, 62px);
}

.proof-copy p {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.65;
}

.proof-points {
  gap: 12px;
}

.proof-points span {
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--white);
  color: var(--graphite);
  font-weight: 700;
}

.experience-note {
  grid-column: 1 / -1;
  max-width: 920px;
  margin: 8px 0 0;
  color: var(--graphite);
  font-size: clamp(20px, 2.4vw, 30px);
  font-weight: 800;
  line-height: 1.25;
}

.contact {
  align-items: stretch;
  padding-top: clamp(34px, 5vw, 62px);
}

.contact-link {
  display: inline-flex;
  margin-top: 10px;
  color: var(--orange-dark);
  font-weight: 800;
}

.contact-form {
  display: grid;
  gap: 16px;
  padding: clamp(24px, 4vw, 40px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.contact-form label {
  display: grid;
  gap: 8px;
  color: var(--graphite);
  font-size: 14px;
  font-weight: 800;
}

.optional-label {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 13px 14px;
  color: var(--ink);
  font: inherit;
  background: #fbfcfc;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: 3px solid rgba(255, 90, 0, 0.2);
  border-color: var(--orange);
}

.form-note {
  margin: -4px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.form-note:empty {
  display: none;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  justify-content: space-between;
  padding: 26px clamp(18px, 5vw, 72px);
  color: rgba(255, 255, 255, 0.72);
  background: var(--graphite);
  font-size: 14px;
}

.back-top {
  position: fixed;
  right: clamp(18px, 4vw, 42px);
  bottom: clamp(18px, 4vw, 38px);
  z-index: 30;
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  border: 1px solid rgba(255, 90, 0, 0.55);
  border-radius: 50%;
  color: var(--orange);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 14px 34px rgba(10, 10, 10, 0.16);
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity 180ms ease, transform 180ms ease, background 180ms ease, color 180ms ease;
}

.back-top.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.back-top:hover {
  color: var(--white);
  background: var(--orange);
}

.back-top svg {
  width: 21px;
  height: 21px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.4;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.whatsapp-card {
  position: fixed;
  right: clamp(18px, 4vw, 42px);
  bottom: 96px;
  z-index: 35;
  width: min(330px, calc(100vw - 36px));
  padding: 20px;
  border: 1px solid rgba(7, 27, 47, 0.1);
  border-radius: 8px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 18px 44px rgba(7, 27, 47, 0.18);
  opacity: 0;
  pointer-events: none;
  transform: translateY(14px);
  transition: opacity 200ms ease, transform 200ms ease;
}

.whatsapp-card.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.whatsapp-close {
  position: absolute;
  top: 10px;
  right: 10px;
  display: grid;
  width: 30px;
  height: 30px;
  place-items: center;
  border: 0;
  border-radius: 50%;
  color: rgba(21, 21, 21, 0.58);
  background: transparent;
  cursor: pointer;
}

.whatsapp-close:hover {
  color: var(--ink);
  background: rgba(7, 27, 47, 0.06);
}

.whatsapp-close svg,
.whatsapp-title svg,
.whatsapp-button svg {
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.whatsapp-close svg {
  width: 17px;
  height: 17px;
  stroke-width: 2.2;
}

.whatsapp-content {
  padding-right: 20px;
}

.whatsapp-title {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 10px;
  font-weight: 800;
  color: var(--graphite);
}

.whatsapp-title svg {
  width: 20px;
  height: 20px;
  color: #168c4a;
  stroke-width: 2;
}

.whatsapp-content p:last-child {
  margin: 0 0 16px;
  color: rgba(21, 21, 21, 0.72);
  font-size: 14px;
  line-height: 1.55;
}

.whatsapp-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 42px;
  padding: 11px 15px;
  border-radius: 6px;
  color: var(--white);
  background: #168c4a;
  font-size: 14px;
  font-weight: 800;
  box-shadow: 0 10px 22px rgba(22, 140, 74, 0.22);
}

.whatsapp-button:hover {
  background: #11733c;
}

.whatsapp-button svg {
  width: 19px;
  height: 19px;
  stroke-width: 2;
}

@media (max-width: 860px) {
  .site-header {
    min-height: 68px;
    padding-inline: 18px;
  }

  .menu-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    top: 68px;
    right: 18px;
    width: max-content;
    max-width: calc(100vw - 36px);
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: 8px;
    color: var(--ink);
    background: var(--white);
    box-shadow: var(--shadow);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    padding: 14px;
  }

  .hero {
    min-height: 950px;
    align-items: end;
  }

  .hero img {
    object-position: 60% center;
  }

  .hero-overlay {
    background:
      linear-gradient(180deg, rgba(5, 5, 5, 0.18) 0%, rgba(5, 5, 5, 0.86) 48%, rgba(5, 5, 5, 0.96) 100%),
      linear-gradient(90deg, rgba(5, 5, 5, 0.25), rgba(5, 5, 5, 0.12));
  }

  .hero-content {
    width: calc(100% - 36px);
    margin: 0 auto;
    padding: 118px 0 44px;
  }

  .hero-metrics div {
    width: 100%;
  }

  .intro-grid,
  .split,
  .proof,
  .contact {
    grid-template-columns: 1fr;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }

  .process-list div {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}

@media (max-width: 520px) {
  .brand {
    min-width: 0;
  }

  .brand-logo {
    width: min(190px, 56vw);
  }

  .hero-actions .button {
    width: 100%;
  }

  .proof-points span {
    width: 100%;
    border-radius: 6px;
  }

  .whatsapp-card {
    right: 18px;
    bottom: 82px;
    width: auto;
    padding: 0;
    border: 0;
    background: transparent;
    box-shadow: none;
  }

  .whatsapp-content {
    display: none;
  }

  .whatsapp-close {
    top: -12px;
    right: -10px;
    width: 26px;
    height: 26px;
    color: rgba(255, 255, 255, 0.9);
    background: rgba(7, 27, 47, 0.76);
  }

  .whatsapp-button {
    min-height: 46px;
    padding: 12px 14px;
    border-radius: 999px;
    font-size: 0;
  }

  .whatsapp-button svg {
    width: 22px;
    height: 22px;
  }
}