/* ============================================================
   CoreShark — Landing Page
   Dark Theme corporativo | Azul-grafite + Verde-água/Ciano
============================================================ */

:root {
  /* Cores principais */
  --bg-deep: #020b1e;
  --bg-deep-2: #051329;
  --bg-panel: #071426;
  --bg-panel-2: #0a1c33;
  --accent: #38b2ac;
  --accent-light: #5eead4;
  --accent-glow: rgba(56, 178, 172, 0.35);

  /* Azul da logo, usado para o glow de destaque na navbar */
  --logo-blue: #14315c;
  --logo-glow: rgba(94, 156, 235, 0.28);

  --text-primary: #ffffff;
  --text-secondary: #a8b3c7;
  --text-muted: #6b7793;

  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-accent: rgba(56, 178, 172, 0.35);

  /* Tipografia */
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Espaçamentos e formas */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --container-width: 1200px;

  --transition: 0.25s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-deep);
  background-image: linear-gradient(180deg, var(--bg-deep) 0%, var(--bg-deep-2) 100%);
  background-attachment: fixed;
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding:35px 17px;
}

/* ============================================================
   TIPOGRAFIA COMPARTILHADA
============================================================ */
.eyebrow {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.eyebrow--center {
  display: block;
  text-align: center;
}

.section-title {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.section-title--center {
  text-align: center;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 560px;
}

.section-subtitle--center {
  margin: 0 auto;
  text-align: center;
}

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

/* ============================================================
   BOTÕES
============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn--primary {
  background: linear-gradient(135deg, var(--accent) 0%, #2c9490 100%);
  color: #041a1a;
  box-shadow: 0 4px 20px var(--accent-glow);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px var(--accent-glow);
}

.btn--outline {
  background: transparent;
  color: var(--text-primary);
  border: 1.5px solid rgba(255, 255, 255, 0.25);
}

.btn--outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(56, 178, 172, 0.06);
}

.btn--small {
  padding: 10px 20px;
  font-size: 0.85rem;
}

.btn--full {
  width: 100%;
}

/* ============================================================
   NAVBAR
============================================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background var(--transition), border-color var(--transition);
}

/* Leve reforço visual apenas ao rolar a página (ver script.js) */
.navbar.is-scrolled {
  background: rgba(10, 26, 51, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom-color: var(--border-subtle);
}

.navbar__inner {
  display: flex;
  align-items: center;        /* Centraliza verticalmente todos os elementos na mesma linha */
  justify-content: space-between;
  min-height: 110px;          /* Altura fixa da barra: dá espaço proporcional ao logo maior */
  padding: 0;
  overflow: visible;
}

.navbar__logo {
  display: flex;
  align-items: center;
  height: 100%;
  overflow: visible;
}

.navbar__logo img {
  height: 220px;                /* Logo em destaque, proporcional à altura da navbar */
  width: auto;
  display: block;
}



.navbar__nav {
  display: flex;
  align-items: center;
  gap: 20px;                  /* Define o mini espaço perfeito entre um menu e outro */
}

.navbar__nav a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition);
  position: relative;
}

.navbar__nav a:hover {
  color: var(--text-primary);
}

.navbar__nav a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width var(--transition);
}

.navbar__nav a:hover::after {
  width: 100%;
}

.navbar__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  z-index: 110;
}

.navbar__toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: all var(--transition);
}

/* ============================================================
   HERO SECTION
============================================================ */
.hero {
  position: relative;
  padding: 100px 0 120px;
  overflow: hidden;
  isolation: isolate;
}

/* Como o header agora é fixo/transparente e sobrepõe o hero,
   as demais seções (que vêm em fluxo normal) não precisam de ajuste,
   pois o hero já reserva espaço suficiente no topo. */

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(180deg, rgba(2, 11, 30, 0.4) 0%, var(--bg-deep) 90%),
    url('fundo-site.png');
  background-size: cover;
  background-position: center bottom;
  background-repeat: no-repeat;
}

/* Fallback: ondas de partículas em CSS puro, caso a imagem não carregue */
.hero__bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 15% 20%, var(--accent-glow) 0%, transparent 35%),
    radial-gradient(circle at 85% 60%, rgba(56, 178, 172, 0.15) 0%, transparent 40%),
    radial-gradient(ellipse at 50% 100%, rgba(56, 178, 172, 0.2) 0%, transparent 50%);
  opacity: 0.8;
  mix-blend-mode: screen;
}

.hero__inner {
  position: relative;
  max-width: 780px;
  text-align: left;
}

.hero__title {
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

.hero__subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 560px;
  margin-bottom: 40px;
}

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

/* ============================================================
   SOBRE
============================================================ */
.about {
  padding: 100px 0;
  border-top: 1px solid var(--border-subtle);
}

.about__inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 64px;
  align-items: center;
}

.about__inner--single {
  grid-template-columns: 1fr;
  max-width: 860px;
}

.section-subtitle--wide {
  max-width: 760px;
}

/* ============================================================
   O FUNDADOR
============================================================ */
.founder {
  padding: 100px 0;
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-panel);
}

.founder__inner {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 64px;
  align-items: center;
}

.founder__image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  isolation: isolate;
}

.founder__image::before {
  content: '';
  position: absolute;
  inset: -16px;
  z-index: -1;
  border-radius: inherit;
  background: radial-gradient(circle at 50% 30%, var(--accent-glow) 0%, transparent 70%);
  filter: blur(6px);
  opacity: 0.7;
}

.founder__image img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-accent);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4), 0 0 40px var(--accent-glow);
}

.founder__name {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}

.founder__role {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 20px;
}

.founder__bio {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 620px;
}

/* ============================================================
   GRID DE SERVIÇOS
============================================================ */
.services {
  padding: 100px 0;
  border-top: 1px solid var(--border-subtle);
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 56px;
}

.card {
  background: linear-gradient(180deg, var(--bg-panel) 0%, var(--bg-panel-2) 100%);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 36px 28px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, transparent, var(--accent-glow), transparent);
  mask-composite: exclude;
  opacity: 0;
  transition: opacity var(--transition);
}

.card:hover {
  transform: translateY(-6px);
  border-color: var(--border-accent);
  box-shadow: 0 12px 40px rgba(56, 178, 172, 0.12);
}

.card:hover::before {
  opacity: 1;
}

.card__icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: rgba(56, 178, 172, 0.1);
  color: var(--accent);
  margin-bottom: 20px;
}

.card__icon i {
  width: 26px;
  height: 26px;
  stroke-width: 1.8;
}

.card__title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.card__text {
  font-size: 0.92rem;
  color: var(--text-secondary);
}

/* ============================================================
   COMO TRABALHAMOS
============================================================ */
.process {
  padding: 100px 0;
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-panel);
}

.process__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 56px;
}

.process__step {
  padding: 8px 0;
  border-left: 2px solid var(--border-accent);
  padding-left: 20px;
}

.process__number {
  display: block;
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 8px;
}

.process__title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.process__text {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* ============================================================
   CASES / BLOG (seções âncora leves)
============================================================ */
.cases,
.blog {
  padding: 80px 0;
  border-top: 1px solid var(--border-subtle);
  text-align: center;
}

/* ============================================================
   CONTATO
============================================================ */
.contact {
  padding: 100px 0;
}

.contact__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.contact__list {
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact__list li {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.contact__list li i {
  width: 18px;
  height: 18px;
  color: var(--accent);
  flex-shrink: 0;
}

/* Cards de contato (WhatsApp, E-mail, LinkedIn) */
.contact__link-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  transition: all var(--transition);
}

.contact__link-card:hover {
  border-color: var(--border-accent);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(56, 178, 172, 0.12);
}

.contact__link-card h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.contact__link-card span {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.contact__icon-wa,
.contact__icon-mail,
.contact__icon-in {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  color: var(--accent);
}

/* O ícone do LinkedIn é uma imagem (PNG), então tratamos separadamente */
img.contact__icon-in {
  object-fit: contain;
  filter: brightness(0) saturate(100%) invert(66%) sepia(41%) saturate(511%) hue-rotate(126deg) brightness(90%) contrast(90%);
}

.contact__form {
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 40px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form__group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form__group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.form__group input,
.form__group textarea {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.95rem;
  resize: vertical;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form__group input::placeholder,
.form__group textarea::placeholder {
  color: var(--text-muted);
}

.form__group input:focus,
.form__group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form__feedback {
  font-size: 0.9rem;
  color: var(--accent-light);
  min-height: 20px;
  text-align: center;
}

/* ============================================================
   FOOTER
============================================================ */
.footer {
  padding: 32px 0;
  border-top: 1px solid var(--border-subtle);
}

.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  text-align: center;
}

.footer__logo img {
  height: 210px;
  opacity: 0.85;
}

.footer__copy {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ============================================================
   RESPONSIVIDADE
============================================================ */

/* Tablets */
@media (max-width: 992px) {
  .about__inner,
  .founder__inner,
  .contact__inner {
    grid-template-columns: 1fr;
  }

  .services__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .process__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Mobile */
@media (max-width: 768px) {
  .navbar__inner {
    min-height: 180px;
    padding: 10px 0;
  }
  .navbar__logo img {
    height: 140px;
  }
  .navbar__nav {
    position: fixed;
    top: 0;
    right: 0;
    height: 100vh;
    width: min(78vw, 320px);
    background: var(--bg-panel);
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding:100px 40px 40px 40px ;
    gap: 28px;
    transform: translateX(100%);
    transition: transform var(--transition);
    border-left: 1px solid var(--border-subtle);
    display: flex;
  }

  .navbar__nav a {
    display: block;
    width: 100%;
    font-size: 1.1rem; 
  }

  .navbar__nav.is-open {
    transform: translateX(0);
  }

  .navbar__toggle {
    display: flex;
  }

  .navbar__toggle.is-open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .navbar__toggle.is-open span:nth-child(2) {
    opacity: 0;
  }

  .navbar__toggle.is-open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .navbar__cta {
    display: none;
  }

  .hero {
    padding: 100px 0 80px;
    text-align: center;
  }

  .hero__inner {
    margin: 0 auto;
  }

  .hero__subtitle {
    margin-left: auto;
    margin-right: auto;
  }

  .hero__actions {
    justify-content: center;
  }

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

  .founder__image {
    max-width: 320px;
    margin: 0 auto;
  }

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

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

  .contact__form {
    padding: 28px;
  }
}