/* ============================
   Tecnodev Landing Page Styles
   ============================ */

:root {
  --color-bg: #0b0b0f;
  --color-surface: #12121a;
  --color-surface-2: rgba(255, 255, 255, 0.06);
  --color-text: #f6f6f8;
  --color-muted: rgba(246, 246, 248, 0.72);
  --color-primary: #ff0000;
  --color-primary-2: #d10000;
  --color-border: rgba(255, 255, 255, 0.08);
  --shadow: 0 18px 45px rgba(0, 0, 0, 0.45);
  --radius: 18px;
  --radius-sm: 12px;
  --max-width: 1100px;
  --spacing: 1.25rem;
  --transition: 240ms ease;
  --font: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  background: linear-gradient(180deg, #050509 0%, #0a0a0f 100%);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
}

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

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

button,
input,
textarea {
  font-family: inherit;
}

.container {
  width: min(100%, var(--max-width));
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* -------- Header -------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 1rem 0;
  background: rgba(8, 9, 14, 0.55);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
}

.logo {
  width: 160px;
  max-width: 170px;
  height: auto;
  filter: drop-shadow(0 15px 30px rgba(0, 0, 0, 0.35));
  border-radius: 18px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.35rem;
}

.nav a {
  position: relative;
  color: var(--color-text);
  font-weight: 600;
  letter-spacing: 0.03em;
  padding: 0.25rem 0;
  transition: color var(--transition);
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -0.25rem;
  height: 2px;
  background: transparent;
  transition: background var(--transition);
}

.nav a:hover,
.nav a:focus-visible {
  color: var(--color-primary);
}

.nav a:hover::after,
.nav a:focus-visible::after {
  background: var(--color-primary);
}

.nav a.primary {
  padding: 0.6rem 1.05rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 0, 0, 0.12);
  transition: background var(--transition), transform var(--transition);
}

.nav a.primary:hover,
.nav a.primary:focus-visible {
  background: rgba(255, 0, 0, 0.22);
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  cursor: pointer;
  padding: 0.6rem;
  width: 48px;
  height: 48px;
  border-radius: 8px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--color-text);
  transition: background var(--transition), border var(--transition);
}

.nav-toggle:hover,
.nav-toggle:focus-visible {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.25);
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2.5px;
  background: currentColor;
  border-radius: 999px;
  transition: transform var(--transition), opacity var(--transition);
  position: relative;
}

.nav-toggle span + span {
  margin-top: 6px;
}

/* -------- Hero -------- */
.hero {
  position: relative;
  min-height: calc(100vh - 78px);
  display: grid;
  place-items: center;
  overflow: hidden;
}

.hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.82;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 10, 15, 0.62) 0%, rgba(8, 8, 12, 0.82) 100%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  text-align: center;
  padding: 4.5rem 1.5rem;
  z-index: 1;
  max-width: 880px;
}

.hero-title {
  font-size: clamp(2.4rem, 5vw, 3.4rem);
  margin: 0 0 1rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-size: clamp(1.05rem, 2vw, 1.2rem);
  color: var(--color-muted);
  max-width: 780px;
  margin: 0 auto 2rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.9rem 1.5rem;
  font-size: 1rem;
  font-weight: 700;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.08);
  color: var(--color-text);
  cursor: pointer;
  transition: transform var(--transition), background var(--transition), border var(--transition);
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.32);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-2));
  border-color: rgba(255, 0, 0, 0.35);
  color: #fff;
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: linear-gradient(135deg, var(--color-primary-2), var(--color-primary));
}

/* -------- Sections -------- */
.section {
  padding: 5.5rem 0 4.5rem;
  position: relative;
}

.section--light {
  background: rgba(255, 255, 255, 0.04);
}

.section--dark {
  background: linear-gradient(180deg, rgba(10, 10, 15, 0.7) 0%, rgba(8, 8, 12, 0.9) 100%);
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
  max-width: 820px;
  margin-left: auto;
  margin-right: auto;
}

.section-header h2 {
  font-size: clamp(2rem, 4vw, 2.7rem);
  margin: 0 0 0.8rem;
}

.section-header p {
  margin: 0;
  color: var(--color-muted);
  font-size: 1.05rem;
}

.section-body {
  max-width: 860px;
  margin: 0 auto;
  color: rgba(246, 246, 248, 0.85);
  gap: 1.4rem;
}

.section-body p {
  margin-bottom: 1.25rem;
}

.grid {
  display: grid;
  gap: 1.6rem;
}

.grid--cards {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.card {
  padding: 1.8rem 1.5rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  box-shadow: 0 18px 30px rgba(0, 0, 0, 0.35);
  transition: transform var(--transition), border var(--transition), background var(--transition);
  min-height: 220px;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

.card:hover,
.card:focus-within {
  transform: translateY(-6px);
  border-color: rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.07);
}

.card h3 {
  margin: 0 0 0.7rem;
  color: #ffffff;
}

.card p {
  margin: 0;
  color: rgba(246, 246, 248, 0.8);
  line-height: 1.6;
}

.card-media {
  background: linear-gradient(135deg, rgba(255, 0, 0, 0.35), rgba(0, 0, 0, 0.3));
  border-radius: var(--radius);
  height: 160px;
  margin-bottom: 1.25rem;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.1);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}

.card:hover .card-media img,
.card:focus-within .card-media img {
  transform: scale(1.05);
}

/* -------- Contato -------- */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2.2rem;
  align-items: start;
}

.contact-form {
  border-radius: var(--radius);
  padding: 2.2rem;
  background: rgba(18, 18, 23, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow);
}

.form-row {
  display: grid;
  gap: 0.55rem;
  margin-bottom: 1.2rem;
}

.form-row label {
  font-weight: 600;
  color: rgba(246, 246, 248, 0.85);
}

.form-row input,
.form-row textarea {
  padding: 0.85rem 1rem;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  outline: none;
  transition: border var(--transition), box-shadow var(--transition);
}

.form-row input:focus,
.form-row textarea:focus {
  border-color: rgba(255, 0, 0, 0.55);
  box-shadow: 0 0 0 3px rgba(255, 0, 0, 0.17);
}

.form-row textarea {
  resize: vertical;
}

.form-feedback {
  margin-top: 1rem;
  color: rgba(146, 255, 187, 0.92);
  font-weight: 600;
  min-height: 1.5rem;
}

.contact-info {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
  padding: 2.2rem;
  box-shadow: var(--shadow);
}

.contact-info h3 {
  margin-top: 0;
}

.contact-info p {
  color: rgba(246, 246, 248, 0.82);
  line-height: 1.6;
}

/* -------- Footer -------- */
.site-footer {
  padding: 2.8rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(5, 5, 8, 0.95);
}

.site-footer p {
  margin: 0;
  color: rgba(246, 246, 248, 0.7);
  font-size: 0.95rem;
  text-align: center;
}

.footer-note {
  margin-top: 0.5rem;
  opacity: 0.75;
}

/* -------- Animations -------- */
[data-anim] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

[data-anim].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* -------- Responsive -------- */
@media (max-width: 940px) {
  .nav {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .nav.open {
    position: fixed;
    inset: 0;
    min-height: 100vh;
    padding: 6rem 1.5rem 2.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(18px);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
  }

  .nav.open a {
    font-size: 1.1rem;
  }
}

@media (max-width: 660px) {
  .hero {
    min-height: calc(100vh - 68px);
  }

  .hero-content {
    padding: 4rem 1.25rem;
  }

  .section {
    padding: 4.5rem 0 3.5rem;
  }
}