/* =============================================
   DevsIdeias Tecnologia — Stylesheet
   Fontes: Inter Bold (títulos) / Inter Regular (textos)
   Paleta: Azul Profundo #0A3D62, Verde Petróleo #0E6655,
           Grafite #2F3640, Branco #FFFFFF
   ============================================= */

/* ===== VARIABLES ===== */
:root {
  --color-blue:       #0A3D62;
  --color-green:      #0E6655;
  --color-graphite:   #2F3640;
  --color-white:      #FFFFFF;
  --color-light:      #F4F7FA;
  --color-border:     #DDE4ED;
  --color-text:       #2F3640;
  --color-text-muted: #6B7A8D;
  --color-accent:     #4ECBA7;

  --font-family: 'Inter', sans-serif;
  --fw-regular:  400;
  --fw-medium:   500;
  --fw-semibold: 600;
  --fw-bold:     700;

  --radius:     12px;
  --radius-btn: 50px;
  --radius-sm:  8px;

  --shadow:       0 4px 18px rgba(10, 61, 98, 0.08);
  --shadow-hover: 0 10px 36px rgba(10, 61, 98, 0.16);

  --transition: 0.28s ease;

  --container: 1160px;
  --section-y: 88px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-family);
  font-weight: var(--fw-regular);
  color: var(--color-text);
  background-color: var(--color-white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--transition);
}

ul {
  list-style: none;
}

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

button {
  font-family: var(--font-family);
  cursor: pointer;
}

/* ===== UTILITIES ===== */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: var(--section-y) 0;
}

.section__header {
  text-align: center;
  margin-bottom: 56px;
}

.section__subtitle {
  display: block;
  font-size: 0.82rem;
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: 2.5px;
  color: var(--color-green);
  margin-bottom: 10px;
}

.section__title {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: var(--fw-bold);
  color: var(--color-blue);
  line-height: 1.2;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 34px;
  border-radius: var(--radius-btn);
  font-size: 0.95rem;
  font-weight: var(--fw-semibold);
  border: 2px solid transparent;
  transition: background-color var(--transition),
              border-color var(--transition),
              color var(--transition),
              box-shadow var(--transition),
              transform var(--transition);
  white-space: nowrap;
}

.btn--primary {
  background-color: var(--color-green);
  color: var(--color-white);
  border-color: var(--color-green);
}

.btn--primary:hover {
  background-color: #0a5244;
  border-color: #0a5244;
  box-shadow: 0 6px 24px rgba(14, 102, 85, 0.35);
  transform: translateY(-2px);
}

.btn--outline {
  background-color: transparent;
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.7);
}

.btn--outline:hover {
  background-color: var(--color-white);
  color: var(--color-blue);
  border-color: var(--color-white);
}

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

/* ===== HEADER / NAV ===== */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 2px 14px rgba(10, 61, 98, 0.06);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.nav__logo {
  font-size: 1.45rem;
  font-weight: var(--fw-bold);
  color: var(--color-blue);
  letter-spacing: -0.3px;
}

.nav__logo span {
  color: var(--color-green);
}

.nav__logo-img {
  height: 36px;
  width: auto;
  display: block;
}

.nav__menu {
  display: flex;
  gap: 36px;
}

.nav__link {
  font-size: 0.93rem;
  font-weight: var(--fw-medium);
  color: var(--color-graphite);
  position: relative;
  padding-bottom: 4px;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-green);
  border-radius: 2px;
  transition: width var(--transition);
}

.nav__link:hover,
.nav__link.active {
  color: var(--color-green);
}

.nav__link:hover::after,
.nav__link.active::after {
  width: 100%;
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 4px;
}

.nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-graphite);
  border-radius: 2px;
  transition: var(--transition);
}

/* ===== HERO ===== */
.hero {
  background: linear-gradient(135deg, var(--color-blue) 0%, #0c507e 55%, #0e6655 100%);
  color: var(--color-white);
  min-height: 92vh;
  display: flex;
  align-items: center;
  padding: 100px 0;
}

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

.hero__content {
  max-width: 680px;
}

.hero__subtitle {
  display: block;
  font-size: 0.82rem;
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: 2.5px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 16px;
}

.hero__title {
  font-size: clamp(2.2rem, 5.5vw, 3.8rem);
  font-weight: var(--fw-bold);
  line-height: 1.12;
  color: var(--color-white);
  margin-bottom: 24px;
}

.hero__title span {
  color: var(--color-accent);
}

.hero__description {
  font-size: 1.08rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.82);
  margin-bottom: 44px;
  max-width: 560px;
}

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

/* ===== SOBRE ===== */
.sobre {
  background-color: var(--color-light);
}

.sobre__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  max-width: 760px;
  margin: 0 auto;
}

.sobre__text p {
  font-size: 1rem;
  line-height: 1.85;
  color: var(--color-graphite);
  margin-bottom: 20px;
}

.sobre__text strong {
  color: var(--color-blue);
  font-weight: var(--fw-semibold);
}

.sobre__stats {
  display: flex;
  gap: 48px;
  margin-top: 36px;
  flex-wrap: wrap;
  justify-content: flex-start;
}

.stat {
  text-align: left;
}

.stat__number {
  display: block;
  font-size: 2.4rem;
  font-weight: var(--fw-bold);
  color: var(--color-green);
  line-height: 1;
}

.stat__label {
  display: block;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-top: 6px;
}

/* ===== SERVIÇOS / CARDS ===== */
.servicos__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}

.card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px 28px;
  box-shadow: var(--shadow);
  transition: box-shadow var(--transition), transform var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-5px);
}

/* Icon wrapper — linear SVG icons */
.card__icon {
  width: 48px;
  height: 48px;
  margin-bottom: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(14, 102, 85, 0.08);
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.card__icon svg {
  width: 24px;
  height: 24px;
  stroke: var(--color-green);
  fill: none;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.card__title {
  font-size: 1.08rem;
  font-weight: var(--fw-bold);
  color: var(--color-blue);
  margin-bottom: 12px;
  line-height: 1.3;
}

.card__description {
  font-size: 0.92rem;
  line-height: 1.78;
  color: var(--color-text-muted);
}

/* ===== PROJETOS ===== */
.projetos {
  background-color: var(--color-light);
}

.projetos__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}

.projeto__card {
  background-color: var(--color-white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--color-border);
  transition: box-shadow var(--transition), transform var(--transition);
}

.projeto__card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-5px);
}

.projeto__image {
  height: 200px;
}

.projeto__image--placeholder {
  background: linear-gradient(135deg, #0A3D62 0%, #0E6655 100%);
  opacity: 0.75;
}

.projeto__info {
  padding: 22px 24px;
}

.projeto__tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: var(--fw-bold);
  text-transform: uppercase;
  letter-spacing: 1px;
  background-color: rgba(14, 102, 85, 0.1);
  color: var(--color-green);
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 12px;
}

.projeto__title {
  font-size: 1.05rem;
  font-weight: var(--fw-bold);
  color: var(--color-blue);
  margin-bottom: 8px;
}

.projeto__desc {
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--color-text-muted);
}

/* ===== CONTATO ===== */
.contato__grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 60px;
  align-items: start;
}

.contato__item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 28px;
}

.contato__icon {
  width: 46px;
  height: 46px;
  flex-shrink: 0;
  background-color: rgba(14, 102, 85, 0.1);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.contato__icon svg {
  width: 20px;
  height: 20px;
  stroke: var(--color-green);
  fill: none;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.contato__item strong {
  display: block;
  font-size: 0.9rem;
  font-weight: var(--fw-semibold);
  color: var(--color-blue);
  margin-bottom: 4px;
}

.contato__item p {
  font-size: 0.93rem;
  color: var(--color-text-muted);
}

/* ===== FORM ===== */
.form__group {
  margin-bottom: 20px;
}

.form__label {
  display: block;
  font-size: 0.875rem;
  font-weight: var(--fw-medium);
  color: var(--color-graphite);
  margin-bottom: 8px;
}

.form__input,
.form__textarea {
  width: 100%;
  padding: 13px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: 10px;
  font-family: var(--font-family);
  font-size: 0.93rem;
  color: var(--color-graphite);
  background-color: var(--color-white);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.form__input::placeholder,
.form__textarea::placeholder {
  color: #A0AABB;
}

.form__input:focus,
.form__textarea:focus {
  border-color: var(--color-green);
  box-shadow: 0 0 0 3px rgba(14, 102, 85, 0.12);
}

.form__textarea {
  resize: vertical;
  min-height: 130px;
}

.form__feedback {
  margin-top: 14px;
  font-size: 0.875rem;
  color: var(--color-green);
  font-weight: var(--fw-medium);
  text-align: center;
  min-height: 20px;
}

/* ===== FOOTER ===== */
.footer {
  background-color: var(--color-blue);
  color: rgba(255, 255, 255, 0.75);
  padding: 60px 0 28px;
}

.footer__content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 52px;
  margin-bottom: 44px;
}

.footer__brand .nav__logo {
  color: var(--color-white);
}

.footer__brand .nav__logo span {
  color: var(--color-accent);
}

.footer__brand p {
  margin-top: 14px;
  font-size: 0.9rem;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.6);
  max-width: 280px;
}

.footer__links h4,
.footer__social h4 {
  font-size: 0.78rem;
  font-weight: var(--fw-bold);
  text-transform: uppercase;
  letter-spacing: 1.8px;
  color: var(--color-white);
  margin-bottom: 18px;
}

.footer__links ul li,
.footer__social ul li {
  margin-bottom: 10px;
}

.footer__links ul li a,
.footer__social ul li a {
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.6);
}

.footer__links ul li a:hover,
.footer__social ul li a:hover {
  color: var(--color-accent);
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 24px;
  text-align: center;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.4);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .contato__grid {
    grid-template-columns: 1fr;
    gap: 44px;
  }

  .footer__content {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }

  .footer__brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 768px) {
  :root {
    --section-y: 64px;
  }

  .nav__menu {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background-color: var(--color-white);
    flex-direction: column;
    gap: 0;
    padding: 12px 0 20px;
    border-bottom: 1px solid var(--color-border);
    box-shadow: 0 10px 28px rgba(10, 61, 98, 0.1);
    transform: translateY(-20px);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition), opacity var(--transition);
  }

  .nav__menu.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

  .nav__link {
    display: block;
    padding: 13px 28px;
  }

  .nav__toggle {
    display: flex;
  }

  .hero {
    padding: 72px 0;
    min-height: auto;
  }

  .servicos__grid,
  .projetos__grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 540px) {
  .hero__actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .btn {
    width: 100%;
    justify-content: center;
  }

  .sobre__stats {
    gap: 28px;
  }

  .footer__content {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}