/* ========================================
   Cygnus Forge - Site Institucional
   Identidade Visual: Azul #184194
   ======================================== */

/* === CSS Variables === */
:root {
  /* Cores da marca */
  --primary: #184194;
  --primary-hover: #0F2D6B;
  --primary-light: #E3EFFF;
  --primary-gradient: linear-gradient(135deg, #184194 0%, #0F2D6B 100%);

  /* Cores semanticas */
  --success: #28A745;
  --info: #17A2B8;
  --warning: #FFC107;

  /* Neutras */
  --white: #FFFFFF;
  --bg: #F5F5F5;
  --bg-alt: #F8F9FA;
  --surface: #FFFFFF;

  /* Texto */
  --text-primary: #495057;
  --text-secondary: #6C757D;
  --text-light: #ADB5BD;
  --text-on-dark: #FFFFFF;

  /* Bordas */
  --border: #DEE2E6;
  --border-light: #E9ECEF;

  /* Sombras */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.15);

  /* Tipografia */
  --font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-mono: 'Consolas', 'Courier New', monospace;

  /* Espacamentos */
  --section-padding: 5rem 0;
  --container-max: 1200px;
  --border-radius: 8px;
  --border-radius-lg: 12px;

  /* Transicoes */
  --transition: 0.3s ease;
  --transition-fast: 0.15s ease;
}

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

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

body {
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg);
  -webkit-font-smoothing: antialiased;
}

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

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

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

ul {
  list-style: none;
}

/* === Container === */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* === Botoes === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--border-radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  gap: 0.5rem;
}

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

.btn--primary:hover {
  background: var(--primary-hover);
  border-color: var(--primary-hover);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

.btn--outline:hover {
  background: var(--white);
  color: var(--primary);
  transform: translateY(-2px);
}

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

/* === HEADER === */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-light);
  transition: all var(--transition);
}

.header--scrolled {
  box-shadow: var(--shadow-sm);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.nav__logo-img {
  height: 42px;
  width: auto;
}

.nav__logo-text {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: -0.5px;
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav__link {
  padding: 0.5rem 1rem;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-primary);
  border-radius: var(--border-radius);
  transition: all var(--transition-fast);
}

.nav__link:hover,
.nav__link--active {
  color: var(--primary);
  background: var(--primary-light);
}

.nav__link--cta {
  background: var(--primary);
  color: var(--white) !important;
  margin-left: 0.5rem;
}

.nav__link--cta:hover {
  background: var(--primary-hover) !important;
}

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

.nav__toggle-bar {
  display: block;
  width: 24px;
  height: 2.5px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition);
}

/* === HERO === */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background: var(--primary-gradient);
  z-index: 0;
}

.hero__bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 50%, rgba(255,255,255,0.08) 0%, transparent 60%),
    radial-gradient(circle at 80% 20%, rgba(255,255,255,0.05) 0%, transparent 50%);
}

.hero__bg::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 120px;
  background: linear-gradient(to top, var(--bg), transparent);
}

.hero__content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 8rem 1.5rem 4rem;
}

.hero__title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.35;
  margin-bottom: 1.5rem;
  letter-spacing: -1px;
}

.hero__highlight {
  display: block;
  background: linear-gradient(135deg, #93C5FD, #60A5FA);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__subtitle {
  font-size: clamp(1.1rem, 2.5vw, 1.35rem);
  color: rgba(255, 255, 255, 0.85);
  max-width: 600px;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
}

.hero__actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* === SECTION === */
.section {
  padding: var(--section-padding);
}

.section--alt {
  background: var(--bg-alt);
}

.section--dark {
  background: var(--primary-gradient);
}

.section__title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  text-align: center;
  margin-bottom: 0.75rem;
}

.section__title--light {
  color: var(--white);
}

.section__subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  text-align: center;
  max-width: 600px;
  margin: 0 auto 3rem;
}

.section__subtitle--light {
  color: rgba(255, 255, 255, 0.8);
}

/* === ABOUT === */
.about {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 3rem;
  align-items: start;
}

.about__photo-placeholder {
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: var(--primary-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--white);
  margin: 0 auto;
  box-shadow: var(--shadow-lg);
}

.about__name {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.about__role {
  font-size: 1.1rem;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 1.25rem;
}

.about__text {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  line-height: 1.75;
}

.about__stats {
  display: flex;
  gap: 2.5rem;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-light);
}

.stat {
  text-align: center;
}

.stat__number {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
}

.stat__label {
  font-size: 0.85rem;
  color: var(--text-light);
  font-weight: 500;
}

/* === SERVICES === */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.service-card {
  background: var(--white);
  border-radius: var(--border-radius-lg);
  padding: 2rem;
  border: 1px solid var(--border-light);
  transition: all var(--transition);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-light);
}

.service-card__icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.service-card__title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.service-card__text {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 1.25rem;
}

.service-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.service-card__tags li {
  padding: 0.25rem 0.75rem;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: 20px;
}

/* === PORTFOLIO === */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 2rem;
}

.project-card {
  background: var(--white);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-light);
  transition: all var(--transition);
}

.project-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.project-card__image {
  height: 200px;
  position: relative;
  display: flex;
  align-items: flex-end;
  padding: 1rem;
}

.project-card__image--1 {
  background: linear-gradient(135deg, #184194 0%, #4A90D9 100%);
}

.project-card__image--2 {
  background: linear-gradient(135deg, #0F2D6B 0%, #17A2B8 100%);
}

.project-card__image--3 {
  background: linear-gradient(135deg, #5C2D91 0%, #184194 100%);
}

.project-card__badge {
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(8px);
  color: var(--white);
  padding: 0.35rem 1rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
}

.project-card__body {
  padding: 1.5rem;
}

.project-card__title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.project-card__text {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 1rem;
}

.project-card__tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.project-card__tech span {
  padding: 0.2rem 0.6rem;
  background: var(--bg);
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 500;
  border-radius: 4px;
}

.portfolio__cta {
  text-align: center;
  margin-top: 3rem;
}

/* === TECNOLOGIAS === */
.tech-categories {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.tech-category {
  background: var(--white);
  border-radius: var(--border-radius-lg);
  padding: 2rem;
  border: 1px solid var(--border-light);
}

.tech-category__title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--primary-light);
}

.tech-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tech-item {
  padding: 0.4rem 1rem;
  background: var(--bg);
  color: var(--text-primary);
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: var(--border-radius);
  border: 1px solid var(--border-light);
  transition: all var(--transition-fast);
}

.tech-item:hover {
  background: var(--primary-light);
  border-color: var(--primary);
  color: var(--primary);
}

/* === ARTIGOS === */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
}

.article-card {
  display: flex;
  gap: 1.25rem;
  background: var(--white);
  border-radius: var(--border-radius-lg);
  padding: 1.5rem;
  border: 1px solid var(--border-light);
  transition: all var(--transition);
}

.article-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--primary-light);
}

.article-card__date {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 60px;
  padding: 0.75rem;
  background: var(--primary-light);
  border-radius: var(--border-radius);
}

.article-card__day {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
}

.article-card__month {
  font-size: 0.8rem;
  color: var(--primary);
  font-weight: 600;
  text-transform: uppercase;
}

.article-card__tag {
  display: inline-block;
  padding: 0.15rem 0.6rem;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 12px;
  margin-bottom: 0.5rem;
}

.article-card__title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  line-height: 1.4;
}

.article-card__text {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 0.75rem;
}

.article-card__link {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--primary);
}

.article-card__link:hover {
  color: var(--primary-hover);
}

/* === CONTATO === */
.contact {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
  align-items: start;
}

.contact__item {
  display: flex;
  gap: 1rem;
  align-items: center;
  margin-bottom: 1.5rem;
}

.contact__icon {
  font-size: 1.5rem;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--border-radius);
  flex-shrink: 0;
}

.contact__label {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
  font-weight: 500;
  margin-bottom: 0.15rem;
}

.contact__value {
  color: var(--white);
  font-weight: 600;
  font-size: 0.95rem;
}

.contact__value:hover {
  color: #93C5FD;
}

.contact__form {
  background: var(--white);
  border-radius: var(--border-radius-lg);
  padding: 2rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.4rem;
}

.form-input {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 0.95rem;
  font-family: var(--font-family);
  color: var(--text-primary);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--border-radius);
  transition: all var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(24, 65, 148, 0.15);
  background: var(--white);
}

.form-input::placeholder {
  color: var(--text-light);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

/* === FOOTER === */
.footer {
  background: var(--primary-hover);
  color: rgba(255, 255, 255, 0.7);
  padding: 3rem 0 2rem;
}

.footer__content {
  text-align: center;
}

.footer__logo {
  height: 48px;
  margin: 0 auto 1rem;
}

.footer__text {
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

.footer__links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer__links a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
  font-weight: 500;
}

.footer__links a:hover {
  color: var(--white);
}

.footer__copy {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.4);
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* === SCROLL TO TOP === */
.scroll-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 44px;
  height: 44px;
  background: var(--primary);
  color: var(--white);
  border: none;
  border-radius: 50%;
  font-size: 1.25rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition);
  box-shadow: var(--shadow-md);
  z-index: 999;
}

.scroll-top--visible {
  opacity: 1;
  visibility: visible;
}

.scroll-top:hover {
  background: var(--primary-hover);
  transform: translateY(-3px);
}

/* === ANIMACOES === */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in--visible {
  opacity: 1;
  transform: translateY(0);
}

/* === RESPONSIVO === */

/* Tablet */
@media (max-width: 968px) {
  .about {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .about__stats {
    justify-content: center;
  }

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

  .contact__info {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
  }

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

/* Mobile */
@media (max-width: 768px) {
  :root {
    --section-padding: 3.5rem 0;
  }

  .nav__toggle {
    display: flex;
  }

  .nav__menu {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 1.5rem;
    gap: 0.25rem;
    border-bottom: 1px solid var(--border-light);
    box-shadow: var(--shadow-md);
    transform: translateY(-120%);
    opacity: 0;
    transition: all var(--transition);
    z-index: 999;
  }

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

  .nav__link {
    display: block;
    padding: 0.75rem 1rem;
    width: 100%;
  }

  .nav__link--cta {
    text-align: center;
    margin-left: 0;
    margin-top: 0.5rem;
  }

  /* Toggle animacao X */
  .nav__toggle--active .nav__toggle-bar:nth-child(1) {
    transform: translateY(7.5px) rotate(45deg);
  }

  .nav__toggle--active .nav__toggle-bar:nth-child(2) {
    opacity: 0;
  }

  .nav__toggle--active .nav__toggle-bar:nth-child(3) {
    transform: translateY(-7.5px) rotate(-45deg);
  }

  .hero__title {
    font-size: 2.25rem;
  }

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

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

  .article-card {
    flex-direction: column;
    gap: 1rem;
  }

  .article-card__date {
    flex-direction: row;
    gap: 0.5rem;
    width: fit-content;
  }

  .about__stats {
    flex-direction: column;
    gap: 1.5rem;
  }

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

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

  .hero__actions .btn {
    width: 100%;
    max-width: 300px;
  }

  .footer__links {
    flex-direction: column;
    gap: 0.75rem;
  }
}

/* Small mobile */
@media (max-width: 400px) {
  .services-grid {
    grid-template-columns: 1fr;
  }

  .tech-categories {
    grid-template-columns: 1fr;
  }
}