:root {
  --petrol: #163B43;
  --petrol-hover: #102B31;
  --petrol-2: #244F57;
  --ink: #1F2B2E;
  --muted: #607174;
  --cream: #F4F1EA;
  --cream-light: #FAF8F5;
  --paper: #FBFAF7;
  --line: #D9E0DE;
  --line-light: #E7EDEC;
  --accent: #B8A47E;
  --accent-light: #EFE9DC;
  --whatsapp: #25D366;
  --whatsapp-hover: #1EBE5D;
  --white: #FFFFFF;
  --shadow-sm: 0 2px 8px rgba(22, 59, 67, 0.06);
  --shadow-md: 0 8px 24px rgba(22, 59, 67, 0.08);
  --shadow-lg: 0 16px 40px rgba(22, 59, 67, 0.12);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  background: var(--paper);
  color: var(--ink);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

.container {
  width: min(1160px, calc(100% - 48px));
  margin: 0 auto;
}

.narrow {
  max-width: 860px;
}

/* Header & Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(251, 250, 247, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(217, 224, 222, 0.8);
  transition: var(--transition);
}

.site-header .nav {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
}

.brand img {
  width: 250px;
  height: auto;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--petrol-2);
}

.nav-menu a {
  position: relative;
  padding: 6px 2px;
  transition: var(--transition);
}

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

.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: var(--transition);
}

.nav-menu a:hover::after {
  width: 100%;
}

.nav-cta {
  background: var(--petrol);
  color: var(--white) !important;
  padding: 9px 18px !important;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  box-shadow: 0 4px 14px rgba(22, 59, 67, 0.2);
  transition: var(--transition);
}

.nav-cta::after {
  display: none !important;
}

.nav-cta:hover {
  background: var(--petrol-2);
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(22, 59, 67, 0.3);
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--petrol);
}

/* Typography & Base Elements */
.eyebrow {
  font-size: 11.5px;
  letter-spacing: 2px;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.eyebrow::before {
  content: '';
  display: inline-block;
  width: 18px;
  height: 2px;
  background: var(--accent);
}

.eyebrow.light {
  color: #D6E2E2;
}

.eyebrow.light::before {
  background: #D6E2E2;
}

h1 {
  font-family: "Georgia", "Times New Roman", serif;
  font-size: clamp(38px, 4.5vw, 56px);
  line-height: 1.08;
  letter-spacing: -1px;
  color: var(--petrol);
  margin-bottom: 12px;
  font-weight: 700;
}

h2 {
  font-family: "Georgia", "Times New Roman", serif;
  font-size: clamp(28px, 3.2vw, 42px);
  line-height: 1.18;
  letter-spacing: -0.5px;
  color: var(--petrol);
  margin-bottom: 18px;
}

h3 {
  font-size: 17.5px;
  line-height: 1.3;
  color: var(--petrol);
  margin-bottom: 8px;
  font-weight: 700;
}

.section {
  padding: 85px 0;
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 32px;
  margin-bottom: 40px;
}

.section-head .lead {
  max-width: 520px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.55;
}

/* Buttons */
.actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 28px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border-radius: var(--radius-full);
  padding: 13px 24px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--petrol);
  color: var(--white);
  box-shadow: 0 4px 16px rgba(22, 59, 67, 0.22);
}

.btn-primary:hover {
  background: var(--petrol-2);
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(22, 59, 67, 0.32);
}

.btn-secondary {
  background: var(--white);
  border-color: var(--line);
  color: var(--petrol);
}

.btn-secondary:hover {
  background: var(--cream);
  border-color: var(--petrol-2);
  transform: translateY(-2px);
}

.btn-whatsapp {
  background: #25D366;
  color: var(--white);
}

.btn-whatsapp:hover {
  background: #1eb857;
}

.btn-linkedin {
  background: #0A66C2;
  color: var(--white);
  box-shadow: 0 4px 14px rgba(10, 102, 194, 0.22);
}

.btn-linkedin:hover {
  background: #084e96;
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(10, 102, 194, 0.32);
}

/* HERO SECTION */
.hero {
  position: relative;
  background: linear-gradient(135deg, #FAF8F5 0%, #FFFFFF 60%, #F3F7F7 100%);
  padding: 60px 0 80px;
  border-bottom: 1px solid var(--line-light);
  overflow: hidden;
}

.hero::after {
  content: '';
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 38%;
  background-image: url('hero-reservoir.jpg');
  background-size: cover;
  background-position: center;
  opacity: 0.16;
  mask-image: linear-gradient(to right, transparent, black 60%);
  -webkit-mask-image: linear-gradient(to right, transparent, black 60%);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 320px 1fr;
  align-items: center;
  gap: 56px;
}

.hero-photo-wrap {
  position: relative;
}

.hero-photo {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  background: var(--white);
  border: 4px solid var(--white);
  aspect-ratio: 4 / 4.8;
}

.hero-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

.hero-badge-float {
  position: absolute;
  left: -20px;
  bottom: 24px;
  background: var(--petrol);
  color: var(--white);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  box-shadow: 0 12px 30px rgba(22, 59, 67, 0.3);
  max-width: 210px;
  border-left: 3px solid var(--accent);
}

.hero-badge-float strong {
  display: block;
  font-size: 26px;
  line-height: 1.1;
  font-family: "Georgia", serif;
}

.hero-badge-float span {
  display: block;
  font-size: 11.5px;
  color: #D6E2E2;
  line-height: 1.35;
  margin-top: 4px;
}

.hero-brand-tag {
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 2.2px;
  color: var(--petrol);
  text-transform: uppercase;
  margin-bottom: 6px;
}

.hero-sub {
  font-family: "Georgia", serif;
  font-size: 22px;
  color: var(--petrol-2);
  margin-bottom: 18px;
  font-style: italic;
}

.hero-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0 24px;
}

.hero-pills span {
  font-size: 12px;
  font-weight: 600;
  color: var(--petrol-2);
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid var(--line);
  padding: 5px 12px;
  border-radius: var(--radius-full);
}

.hero-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 28px 0;
  padding: 20px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.hero-feat-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.hero-feat-item svg {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  color: var(--petrol);
  background: var(--cream);
  padding: 4px;
  border-radius: 50%;
}

.hero-feat-item p {
  font-size: 13px;
  line-height: 1.4;
  color: #384649;
}

.hero-feat-item strong {
  color: var(--petrol);
  display: block;
}

.availability {
  font-size: 12.5px;
  color: var(--muted);
  margin-top: 18px;
}

/* SECTION: INTRO */
.intro {
  background: var(--white);
}

.intro p {
  font-size: 16.5px;
  color: #4A5A5D;
  margin-bottom: 18px;
}

.journey-wrap {
  margin: 32px 0;
  padding: 24px;
  background: var(--cream-light);
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
}

.journey-title {
  font-size: 11.5px;
  font-weight: 800;
  letter-spacing: 1.5px;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 14px;
}

.journey {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 700;
  color: var(--petrol);
}

.journey span {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-full);
  padding: 7px 15px;
  box-shadow: var(--shadow-sm);
}

.journey i {
  font-style: normal;
  color: var(--accent);
  font-weight: 900;
}

blockquote {
  margin: 36px 0 0;
  border-left: 3px solid var(--accent);
  padding: 6px 0 6px 24px;
  font-family: "Georgia", serif;
  font-size: 20px;
  line-height: 1.5;
  color: var(--petrol);
}

/* SECTION: SERVICES */
.tinted {
  background: var(--cream);
}

.cards.services {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.service-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 26px 22px;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  position: relative;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: #B8C7C5;
}

.service-icon-box {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--cream);
  color: var(--petrol);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}

.service-icon-box svg {
  width: 22px;
  height: 22px;
}

.service-card h3 {
  font-size: 16px;
  margin-bottom: 10px;
}

.service-card p {
  color: #566568;
  font-size: 13.5px;
  line-height: 1.55;
  margin: 0;
}

/* SECTION: APPLICATIONS */
.applications-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.app-card {
  background: var(--white);
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.app-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.app-img-wrap {
  width: 100%;
  height: 135px;
  overflow: hidden;
  background: #E2ECEB;
}

.app-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform 0.4s ease;
}

.app-card-mineracao .app-img-wrap img {
  object-position: center 30%;
}

.app-card:hover .app-img-wrap img {
  transform: scale(1.05);
}

.app-content {
  padding: 18px 16px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.app-content h3 {
  font-size: 14px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.app-content p {
  color: #566568;
  font-size: 12.5px;
  line-height: 1.5;
  margin: 0;
}

/* SECTION: DARK (PILLARS) */
.dark {
  background: var(--petrol);
  color: var(--white);
}

.dark h2 {
  color: var(--white);
  max-width: 800px;
}

.pillars-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  margin-top: 40px;
}

.pillar-item {
  border-top: 2px solid rgba(255, 255, 255, 0.2);
  padding-top: 20px;
}

.pillar-item h3 {
  color: var(--white);
  font-size: 17px;
  margin-bottom: 8px;
}

.pillar-item p {
  color: #C9D6D7;
  font-size: 13.5px;
  line-height: 1.5;
}

.dark-quote {
  margin-top: 50px;
  border-color: var(--accent);
  color: #EBF4F4;
  max-width: 860px;
  font-size: 19px;
}

/* SECTION: EXPERIENCE & CREDENTIALS */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin: 35px 0 55px;
}

.stat-box {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 24px 22px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.stat-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--cream);
  color: var(--petrol);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.stat-icon svg {
  width: 22px;
  height: 22px;
}

.stat-box strong {
  font-family: "Georgia", serif;
  font-size: 38px;
  color: var(--petrol);
  display: block;
  line-height: 1;
}

.stat-box span {
  display: block;
  margin-top: 8px;
  color: #566568;
  font-size: 13.5px;
  line-height: 1.45;
}

.two-col-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.clean-list {
  columns: 2;
  padding: 0;
  margin: 18px 0 0;
  list-style: none;
}

.clean-list li {
  padding: 9px 0;
  border-bottom: 1px solid var(--line);
  font-size: 13.5px;
  color: #3B4B4E;
  display: flex;
  align-items: center;
  gap: 8px;
}

.clean-list li::before {
  content: '•';
  color: var(--accent);
  font-size: 18px;
}

.credentials-sublist {
  margin-top: 18px;
}

.credential-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.credential-item svg {
  color: var(--petrol);
  flex-shrink: 0;
  margin-top: 3px;
}

.credential-item strong {
  font-size: 14px;
  color: var(--petrol);
  line-height: 1.4;
}

.publication-item {
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.publication-item svg {
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 4px;
}

.publication-item .pub-tag {
  display: block;
  font-size: 10px;
  letter-spacing: 1.5px;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 4px;
}

.publication-item a {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--petrol);
  line-height: 1.4;
  display: inline-block;
  transition: var(--transition);
}

.publication-item a:hover {
  color: var(--accent);
}

.publication-item .read-more {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  font-weight: 800;
  color: var(--petrol-2);
  margin-top: 6px;
}

/* SECTION: AUDIENCES */
.audiences-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}

.audience-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 22px 18px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  transition: var(--transition);
}

.audience-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-sm);
  border-color: #B8C7C5;
}

.aud-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--cream);
  color: var(--petrol);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}

.audience-card h3 {
  font-size: 14.5px;
  line-height: 1.3;
  margin-bottom: 8px;
}

.audience-card p {
  color: #566568;
  font-size: 12.5px;
  line-height: 1.45;
  margin: 0;
}

/* SECTION: CONTACT */
.contact {
  background: var(--petrol);
  color: var(--white);
  padding: 85px 0;
  position: relative;
  overflow: hidden;
}

.contact::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: radial-gradient(circle at 10% 20%, rgba(255,255,255,0.04) 0%, transparent 60%);
  pointer-events: none;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.contact h2 {
  color: var(--white);
  margin-bottom: 16px;
}

.contact-intro {
  color: #D3DFE0;
  font-size: 15.5px;
  line-height: 1.6;
  max-width: 600px;
  margin-bottom: 24px;
}

.contact-channels {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 24px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--white);
  font-weight: 600;
  font-size: 15px;
  transition: var(--transition);
}

.contact-item-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  flex-shrink: 0;
  transition: var(--transition);
}

.contact-item:hover .contact-item-icon {
  background: var(--accent);
  color: var(--petrol);
}

.contact-item span.label {
  display: block;
  font-size: 11.5px;
  color: #A3BEBF;
  font-weight: 500;
}

/* QR Box */
.qr-box {
  background: var(--white);
  color: var(--ink);
  border-radius: var(--radius-lg);
  padding: 28px;
  text-align: center;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.25);
  max-width: 290px;
  justify-self: end;
}

.qr-box h4 {
  font-size: 15px;
  color: var(--petrol);
  margin-bottom: 4px;
  font-weight: 800;
}

.qr-box p {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.4;
  margin-bottom: 16px;
}

.qr-inner {
  padding: 10px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 12px;
  margin-bottom: 16px;
}

.qr-inner img {
  width: 100%;
  height: auto;
  display: block;
}

.qr-box .btn-download {
  width: 100%;
  background: var(--petrol);
  color: var(--white);
  padding: 11px 16px;
  font-size: 13px;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 700;
  transition: var(--transition);
}

.qr-box .btn-download:hover {
  background: var(--petrol-2);
}

/* FOOTER */
footer {
  background: #0E262C;
  color: #A3BEBF;
  padding: 24px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  font-size: 12.5px;
}

.footer-brand strong {
  display: block;
  color: var(--white);
  letter-spacing: 1px;
  font-size: 13px;
}

.footer-brand span {
  display: block;
  font-size: 11.5px;
  color: #8CA9AA;
}

.footer-note {
  font-size: 12px;
  color: #8CA9AA;
}

/* Floating WhatsApp Quick Button */
.floating-whatsapp {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999;
  background: var(--whatsapp);
  color: var(--white);
  width: 58px;
  height: 58px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.45);
  transition: var(--transition);
}

.floating-whatsapp:hover {
  background: var(--whatsapp-hover);
  transform: scale(1.08);
  box-shadow: 0 8px 30px rgba(37, 211, 102, 0.6);
}

.floating-whatsapp svg {
  width: 32px;
  height: 32px;
}

/* RESPONSIVE DESIGN */
@media (max-width: 1080px) {
  .hero-grid {
    grid-template-columns: 280px 1fr;
    gap: 36px;
  }
  .cards.services {
    grid-template-columns: repeat(2, 1fr);
  }
  .applications-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .pillars-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .audiences-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 900px) {
  .site-header .nav-menu {
    display: none;
  }
  .site-header .nav-menu.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 74px;
    left: 0;
    right: 0;
    background: var(--paper);
    padding: 24px;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-md);
  }
  .mobile-toggle {
    display: block;
  }
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .hero-photo-wrap {
    max-width: 380px;
    margin: 0 auto;
  }
  .hero::after {
    display: none;
  }
  .hero-features {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .two-col-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .qr-box {
    justify-self: center;
  }
}

@media (max-width: 650px) {
  .container {
    width: calc(100% - 32px);
  }
  .section {
    padding: 60px 0;
  }
  .brand img {
    width: 210px;
  }
  .cards.services,
  .applications-grid,
  .pillars-grid,
  .audiences-grid {
    grid-template-columns: 1fr;
  }
  .clean-list {
    columns: 1;
  }
  .section-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}