/* ============================================================
   DS Partners — styles.css
   Variáveis, reset, tipografia, layout e componentes
   ============================================================ */

/* ----------------------------------------
   1. VARIÁVEIS CSS
   ---------------------------------------- */
:root {
  /* Cores */
  --color-bg:           #F8F6F3;   /* Off-White */
  --color-navy:         #0E1A2B;   /* Navy Deep */
  --color-accent:       #1A6BBF;   /* Navy Bright */
  --color-wash:         #EDF2F8;   /* Navy Wash */
  --color-muted:        #999999;   /* Texto secundário */
  --color-border:       #A8C4E0;   /* Borda suave */
  --color-white:        #FFFFFF;

  /* Tipografia */
  --font-title:         'Syne', sans-serif;
  --font-body:          'DM Sans', sans-serif;

  /* Espaçamentos */
  --space-xs:           0.5rem;
  --space-sm:           1rem;
  --space-md:           1.5rem;
  --space-lg:           2.5rem;
  --space-xl:           4rem;
  --space-2xl:          6rem;

  /* Layout */
  --container-max:      1160px;
  --container-px:       1.5rem;
  --border-radius:      12px;
  --border-radius-sm:   8px;

  /* Transições */
  --transition-fast:    0.2s ease;
  --transition-base:    0.3s ease;
}

/* ----------------------------------------
   2. RESET & BASE
   ---------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.65;
  color: var(--color-navy);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul, ol { list-style: none; }

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

/* ----------------------------------------
   3. UTILITÁRIOS
   ---------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-px);
}

/* Label de seção */
.label {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.label--light {
  color: #A8C4E0;
}

/* Headings */
h1, h2, h3 {
  font-family: var(--font-title);
  font-weight: 700;
  line-height: 1.2;
}

h1 { font-size: clamp(2rem, 4.5vw, 2.75rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.25rem); }
h3 { font-size: 1.15rem; }

.h2--white { color: var(--color-white); }

/* Section header */
.section-header {
  margin-bottom: var(--space-xl);
}

.section-header--center {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.section-header--dark .label,
.section-header--dark h2 {
  /* herda --light e --white das classes auxiliares */
}

.section-subtitle {
  font-weight: 300;
  font-size: 1rem;
  color: var(--color-muted);
  max-width: 640px;
  margin-top: var(--space-sm);
  line-height: 1.7;
}

/* ----------------------------------------
   4. BOTÕES
   ---------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.9rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius-sm);
  transition: background-color var(--transition-fast), transform var(--transition-fast);
  white-space: nowrap;
  cursor: pointer;
}

/* Botão primário: fundo navy, hover accent */
.btn--primary {
  background-color: var(--color-navy);
  color: var(--color-bg);
}
.btn--primary:hover {
  background-color: var(--color-accent);
  transform: translateY(-1px);
}

/* Botão accent: fundo accent */
.btn--accent {
  background-color: var(--color-accent);
  color: var(--color-white);
}
.btn--accent:hover {
  background-color: #155fa8;
  transform: translateY(-1px);
}

/* Botão da navbar */
.btn--navbar {
  background-color: var(--color-navy);
  color: var(--color-bg);
  font-size: 0.825rem;
  padding: 0.6rem 1.15rem;
}
.btn--navbar:hover {
  background-color: var(--color-accent);
}

/* Botão grande */
.btn--large {
  font-size: 1rem;
  padding: 1rem 2rem;
}

/* ----------------------------------------
   5. ANIMAÇÕES DE ENTRADA
   ---------------------------------------- */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.animate-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.animate-delay-1 { transition-delay: 0.12s; }
.animate-delay-2 { transition-delay: 0.24s; }
.animate-delay-3 { transition-delay: 0.36s; }

/* ----------------------------------------
   6. NAVBAR
   ---------------------------------------- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-bg);
  transition: box-shadow var(--transition-base);
}

.navbar.scrolled {
  box-shadow: 0 2px 16px rgba(14, 26, 43, 0.08);
}

.navbar__inner {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  height: 68px;
}

/* Logo */
.navbar__logo {
  font-family: var(--font-title);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-navy);
  flex-shrink: 0;
  letter-spacing: -0.01em;
}

.logo-ds    { font-weight: 800; }
.logo-dot   { color: var(--color-accent); font-weight: 400; }
.logo-partners { font-weight: 700; }

/* Nav links */
.navbar__nav {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  margin-left: auto;
}

.navbar__link {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 0.9rem;
  color: var(--color-navy);
  transition: color var(--transition-fast);
  position: relative;
}

.navbar__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1.5px;
  background-color: var(--color-accent);
  transition: width var(--transition-fast);
}

.navbar__link:hover { color: var(--color-accent); }
.navbar__link:hover::after { width: 100%; }

/* Hamburguer */
.navbar__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  margin-left: auto;
}

.navbar__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-navy);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.navbar__hamburger.is-open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.navbar__hamburger.is-open span:nth-child(2) {
  opacity: 0;
}
.navbar__hamburger.is-open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ----------------------------------------
   7. HERO
   ---------------------------------------- */
.hero {
  background-color: var(--color-bg);
  padding-block: var(--space-2xl) calc(var(--space-2xl) + var(--space-md));
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.hero__text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-md);
}

.hero__title {
  font-size: clamp(2.1rem, 4.5vw, 2.8rem);
  font-weight: 800;
  color: var(--color-navy);
  line-height: 1.15;
}

.hero__subtitle {
  font-weight: 300;
  font-size: 1.0625rem;
  line-height: 1.7;
  color: #444;
  max-width: 480px;
}

.hero__proof {
  font-weight: 300;
  font-size: 0.8125rem;
  color: var(--color-muted);
  line-height: 1.5;
  max-width: 380px;
  margin-top: calc(var(--space-xs) * -0.5);
}

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

.hero__svg {
  width: 100%;
  max-width: 420px;
  height: auto;
}

/* ----------------------------------------
   8. SEÇÃO DOR
   ---------------------------------------- */
.section-pain {
  background-color: var(--color-bg);
  padding-block: var(--space-2xl);
  border-top: 1px solid rgba(168, 196, 224, 0.3);
}

.pain__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.pain__card {
  background-color: var(--color-white);
  border-left: 3px solid var(--color-accent);
  border-radius: var(--border-radius-sm);
  padding: var(--space-md) var(--space-md);
  box-shadow: 0 1px 8px rgba(14, 26, 43, 0.05);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.pain__card:hover {
  transform: translateY(-3px);
  box-shadow: 0 4px 16px rgba(14, 26, 43, 0.08);
}

.pain__card p {
  font-weight: 400;
  font-size: 0.9375rem;
  color: var(--color-navy);
  line-height: 1.6;
  font-style: italic;
}

/* ----------------------------------------
   9. SEÇÃO SOLUÇÃO
   ---------------------------------------- */
.section-solution {
  background-color: var(--color-wash);
  padding-block: var(--space-2xl);
}

.pillars__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.pillar__card {
  background-color: var(--color-white);
  border-radius: var(--border-radius);
  padding: var(--space-lg) var(--space-md);
  text-align: center;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.pillar__card:hover {
  transform: translateY(-3px);
  box-shadow: 0 4px 16px rgba(14, 26, 43, 0.07);
}

.pillar__icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(26, 107, 191, 0.08);
  border-radius: 12px;
  margin: 0 auto var(--space-md);
}

.pillar__card h3 {
  font-size: 1.1rem;
  margin-bottom: var(--space-xs);
  color: var(--color-navy);
}

.pillar__card p {
  font-size: 0.9rem;
  font-weight: 300;
  color: #555;
  line-height: 1.65;
}

/* ----------------------------------------
   10. SEÇÃO SERVIÇOS
   ---------------------------------------- */
.section-services {
  background-color: var(--color-bg);
  padding-block: var(--space-2xl);
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.service__card {
  background-color: var(--color-white);
  border-radius: var(--border-radius);
  border: 1.5px solid rgba(168, 196, 224, 0.4);
  padding: var(--space-lg);
  transition: border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
  position: relative;
}

.service__card:hover {
  border-color: var(--color-accent);
  transform: translateY(-3px);
  box-shadow: 0 4px 20px rgba(26, 107, 191, 0.08);
}

.service__badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  min-width: 40px;
  background-color: var(--color-navy);
  color: var(--color-bg);
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 0.8rem;
  border-radius: 8px;
  margin-bottom: var(--space-sm);
  letter-spacing: 0.03em;
}

.service__card h3 {
  font-size: 1.05rem;
  margin-bottom: var(--space-xs);
  color: var(--color-navy);
}

.service__card p {
  font-size: 0.9rem;
  font-weight: 300;
  color: #555;
  line-height: 1.65;
}

/* ----------------------------------------
   11. SEÇÃO COMO FUNCIONA
   ---------------------------------------- */
.section-how {
  background-color: var(--color-navy);
  padding-block: var(--space-2xl);
}

.section-how .section-header {
  margin-bottom: var(--space-xl);
}

.steps__wrapper {
  position: relative;
  margin-bottom: var(--space-xl);
}

/* Linha tracejada horizontal (desktop) */
.steps__line {
  position: absolute;
  top: 28px;
  left: calc(50% - 33%);
  width: 66%;
  height: 1px;
  border-top: 2px dashed rgba(168, 196, 224, 0.25);
  pointer-events: none;
}

.steps__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  position: relative;
}

.step {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-md);
}

.step__number {
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 3.25rem;
  color: var(--color-accent);
  line-height: 1;
  position: relative;
  z-index: 1;
}

.step__content h3 {
  font-size: 1.05rem;
  color: var(--color-white);
  margin-bottom: var(--space-xs);
}

.step__content p {
  font-size: 0.875rem;
  font-weight: 300;
  color: #A8C4E0;
  line-height: 1.7;
  max-width: 280px;
}

.section-cta {
  display: flex;
  justify-content: center;
}

/* ----------------------------------------
   12. SEÇÃO QUEM SOMOS
   ---------------------------------------- */
.section-about {
  background-color: var(--color-bg);
  padding-block: var(--space-2xl);
}

.about__inner {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: var(--space-xl);
  align-items: center;
}

.about__text {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.about__body {
  font-weight: 300;
  font-size: 1rem;
  color: #444;
  line-height: 1.75;
}

.about__quote {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: clamp(1.1rem, 2.2vw, 1.35rem);
  color: var(--color-navy);
  line-height: 1.35;
  border-left: 3px solid var(--color-accent);
  padding-left: var(--space-md);
  margin-top: var(--space-xs);
  font-style: normal;
}

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

.about__svg {
  width: 100%;
  max-width: 320px;
  height: auto;
}

/* ----------------------------------------
   13. SEÇÃO FUNDADORES
   ---------------------------------------- */
.section-founders {
  background-color: var(--color-wash);
  padding-block: var(--space-2xl);
}

.founders__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.founder__card {
  background-color: var(--color-white);
  border: 1.5px solid rgba(168, 196, 224, 0.5);
  border-radius: var(--border-radius);
  padding: var(--space-lg);
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.founder__card:hover {
  transform: translateY(-3px);
  box-shadow: 0 4px 16px rgba(14, 26, 43, 0.07);
}

.founder__avatar {
  width: 96px;
  height: 96px;
  min-width: 96px;
  border-radius: 50%;
  background-color: #A8C4E0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 2rem;
  color: var(--color-white);
  flex-shrink: 0;
}

.founder__avatar--photo {
  object-fit: cover;
  object-position: center top;
  background-color: transparent;
}

.founder__name {
  font-size: 1.1rem;
  color: var(--color-navy);
  margin-bottom: 0.25rem;
}

.founder__role {
  font-weight: 500;
  font-size: 0.875rem;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.founder__bio {
  font-weight: 300;
  font-size: 0.9rem;
  color: #555;
  line-height: 1.65;
}

/* ----------------------------------------
   14. SEÇÃO CTA FINAL
   ---------------------------------------- */
.section-cta-final {
  background-color: var(--color-bg);
  padding-block: var(--space-2xl);
  border-top: 1px solid rgba(168, 196, 224, 0.3);
}

.cta-final__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-md);
  max-width: 680px;
  margin-inline: auto;
}

.cta-final__subtitle {
  font-weight: 300;
  font-size: 1rem;
  color: #555;
  line-height: 1.7;
  max-width: 540px;
}

.cta-final__contacts {
  font-weight: 400;
  font-size: 0.875rem;
  color: var(--color-muted);
  margin-top: var(--space-xs);
}

/* ----------------------------------------
   15. RODAPÉ
   ---------------------------------------- */
.footer {
  background-color: var(--color-navy);
  color: var(--color-bg);
  padding-top: var(--space-xl);
  padding-bottom: var(--space-md);
}

.footer__inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-lg);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer__logo {
  color: var(--color-bg);
  font-size: 1.1rem;
}

.footer__tagline {
  font-weight: 300;
  font-size: 0.85rem;
  color: #A8C4E0;
  margin-top: 0.4rem;
}

.footer__nav {
  display: flex;
  gap: var(--space-lg);
  align-items: center;
}

.footer__link {
  font-size: 0.875rem;
  font-weight: 400;
  color: rgba(248, 246, 243, 0.7);
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: var(--color-bg);
}

.footer__bottom {
  padding-top: var(--space-md);
}

.footer__bottom p {
  font-size: 0.8rem;
  color: var(--color-muted);
  text-align: center;
}

/* ----------------------------------------
   16. RESPONSIVIDADE — MOBILE
   ---------------------------------------- */
@media (max-width: 768px) {

  /* Navbar mobile */
  .navbar__nav {
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background-color: var(--color-bg);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: var(--space-sm) var(--container-px) var(--space-md);
    box-shadow: 0 8px 24px rgba(14, 26, 43, 0.1);
    display: none;
    border-top: 1px solid rgba(168, 196, 224, 0.2);
  }

  .navbar__nav.is-open {
    display: flex;
  }

  .navbar__link {
    padding-block: 0.75rem;
    width: 100%;
    font-size: 1rem;
  }

  .navbar__link::after { display: none; }

  .btn--navbar {
    display: none;
  }

  .navbar__hamburger {
    display: flex;
  }

  .navbar__inner {
    position: relative;
  }

  /* Hero */
  .hero {
    padding-block: var(--space-xl) var(--space-xl);
  }

  .hero__inner {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .hero__visual {
    order: -1;
  }

  .hero__svg {
    max-width: 320px;
  }

  /* Seção Dor */
  .pain__grid {
    grid-template-columns: 1fr;
  }

  /* Pilares */
  .pillars__grid {
    grid-template-columns: 1fr;
  }

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

  /* Como funciona */
  .steps__line { display: none; }

  .steps__grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .step {
    text-align: left;
    flex-direction: row;
    align-items: flex-start;
  }

  .step__number {
    font-size: 2.25rem;
    min-width: 56px;
  }

  .step__content p {
    max-width: none;
  }

  /* Sobre */
  .about__inner {
    grid-template-columns: 1fr;
  }

  .about__visual { display: none; }

  /* Fundadores */
  .founders__grid {
    grid-template-columns: 1fr;
  }

  .founder__card {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  /* Footer */
  .footer__inner {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .footer__nav {
    flex-wrap: wrap;
    justify-content: center;
  }
}

/* Tablet leve */
@media (max-width: 960px) and (min-width: 769px) {
  .pain__grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .founder__card {
    max-width: 560px;
    margin-inline: auto;
  }
}