/* ==========================================================================
   Amanda Costa - Product Designer Portfolio
   ========================================================================== */

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  margin: 0;
  padding: 0;
  line-height: 1.6;
  color: var(--black);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 400;
}

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

a.no-effect {
  text-decoration: none;
  color: inherit;
}

a.no-effect:hover,
a.no-effect:focus,
a.no-effect:active {
  text-decoration: none;
  color: inherit;
}

/* ==========================================================================
   Header
   ========================================================================== */

.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(79, 79, 79, 0.57);
  height: 70px;
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 32px;
  height: 100%;
}

.header .logo img {
  height: 40px;
}

.nav-desktop {
  display: flex;
  gap: 32px;
  align-items: center;
}

.nav-desktop a {
  color: var(--white);
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  transition: color 0.3s;
}

.nav-desktop a:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.nav-desktop a.active {
  color: var(--white);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.header-social {
  display: flex;
  gap: 16px;
  align-items: center;
  margin-left: auto;
}

.header-social a {
  color: var(--white);
  text-decoration: none;
  transition: color 0.3s;
  display: flex;
}

.header-social a:hover {
  color: var(--accent);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 28px;
  height: 20px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
  z-index: 1001;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 3px;
  background: var(--white);
  border-radius: 2px;
  transition: 0.3s;
}

.hamburger.open span:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

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

.hamburger.open span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* Mobile Nav */
.mobile-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: rgba(79, 79, 79, 0.98);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 32px;
  z-index: 999;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}

.mobile-nav.open {
  opacity: 1;
  pointer-events: all;
}

.mobile-nav a {
  color: var(--white);
  font-size: 24px;
  font-weight: 600;
  text-decoration: none;
  transition: color 0.3s;
}

.mobile-nav a:hover,
.mobile-nav a.active {
  color: var(--accent);
}

.mobile-nav .social-icons {
  display: flex;
  gap: 24px;
  margin-top: 16px;
}

.mobile-nav .social-icons a {
  font-size: 20px;
  display: flex;
}

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  min-height: 60vh;
  background-size: cover;
  background-position: 68% 31%;
  position: relative;
  display: flex;
  align-items: center;
  padding: 140px 0 80px;
}

.hero.subpage {
  min-height: auto;
  background-color: var(--white);
  padding: 120px 0 60px;
}

.hero.subpage::before {
  display: none;
}

.hero.subpage h1 {
  color: var(--black);
}

.hero.subpage h2 {
  color: var(--dark-accent);
}

.hero.hero-projetos {
  background-color: var(--accent);
  padding: 100px 0 40px;
}

.hero.hero-projetos h1 {
  color: var(--white);
  font-size: 3.2rem;
  margin-bottom: 12px;
}

.hero.hero-projetos h2 {
  color: rgba(255, 255, 255, 1.0);
  font-size: 1.3rem;
  font-weight: 400;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(200, 200, 200, 0.20);
}

.hero .container {
  position: relative;
  z-index: 1;
  text-align: left;
  max-width: 1200px;
  width: 100%;
}

.hero h1 {
  color: var(--white);
  font-size: 4.5rem;
  margin: 0 0 12px 0;
  line-height: 1.1;
}

.hero h2 {
  color: var(--accent);
  font-size: 2.3rem;
  font-family: var(--font-heading);
  margin: 0;
}

/* ==========================================================================
   Sections
   ========================================================================== */

.section {
  padding: 50px 0;
}

.section-white {
  background: var(--white);
  color: var(--black);
}

.section-light {
  background: var(--light-accent);
  color: var(--black);
}

.section-dark {
  background: var(--dark-accent);
  color: var(--white);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 4vw;
}

.section-title {
  font-size: 2.5rem;
  color: var(--black);
  margin-bottom: 40px;
}

/* ==========================================================================
   Education (3-column)
   ========================================================================== */

.education-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.education-grid h3 {
  font-size: 1.4rem;
  margin-bottom: 0px;
}

.education-grid p {
  font-size: 1.2rem;
  line-height: 1.8;
  margin-top: 5px;
}

/* ==========================================================================
   About (2-column)
   ========================================================================== */

.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-grid h2 {
  font-size: 3rem;
  color: var(--accent);
  margin-bottom: 24px;
}

.about-grid p {
  font-size: 1.1rem;
  line-height: 1.8;
  margin-bottom: 16px;
  color: var(--black);
}

.about-image img {
  width: 100%;
  object-fit: contain;
}

/* ==========================================================================
   Skills (2-column)
   ========================================================================== */

.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 50px;
}

.skills-grid h2 {
  font-size: 2.5rem;
  margin-bottom: 0px;
  grid-column: span 2;
}

.skills-grid h3 {
  font-size: 1.6rem;
  font-family: var(--font-body);
  font-weight: 700;
  color: var(--dark-accent);
  border-bottom: 3px solid var(--accent);
  padding-bottom: 8px;
  margin-bottom: 16px;
}

.skills-grid p {
  font-size: 1.1rem;
  line-height: 1.8;
}

/* ==========================================================================
   Projects Grid
   ========================================================================== */

.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}

.projects-grid.listing {
  grid-template-columns: repeat(3, 1fr);
}

.project-card {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  display: block;
  text-decoration: none;
}

.project-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}

.project-card:hover img {
  transform: scale(1.05);
}

.project-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 20px;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
  opacity: 0;
  transition: opacity 0.3s;
  display: flex;
  align-items: flex-end;
}

.project-card:hover .project-overlay {
  opacity: 1;
}

.project-overlay h3 {
  color: var(--white);
  font-size: 1.3rem;
  font-family: var(--font-body);
  font-weight: 700;
  margin: 0;
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn-outline {
  display: inline-block;
  padding: 12px 32px;
  border-radius: 50px;
  font-weight: 600;
  text-decoration: none;
  font-family: var(--font-body);
  font-size: 1rem;
  background: transparent;
  border: 2px solid var(--black);
  color: var(--black);
  transition: background 0.3s, color 0.3s;
  cursor: pointer;
}

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

/* ==========================================================================
   Project Detail
   ========================================================================== */

.project-detail {
  padding-top: 70px;
  background: var(--white);
}

.project-images {
  max-width: 1400px;
  margin: 0 auto;
}

.project-images img,
.project-images video {
  width: 100%;
  display: block;
}

/* ==========================================================================
   Pagination
   ========================================================================== */

.pagination {
  display: flex;
  justify-content: space-between;
  padding: 40px 4vw;
  max-width: 1200px;
  margin: 0 auto;
}

.pagination a {
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
  transition: opacity 0.3s;
}

.pagination a:hover {
  opacity: 0.7;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
  background: var(--white);
  padding: 30px 0;
  text-align: center;
}

.footer .social-icons {
  display: flex;
  justify-content: center;
  gap: 24px;
}

.footer .social-icons a {
  color: var(--black);
  text-decoration: none;
  transition: color 0.3s;
  display: flex;
}

.footer .social-icons a:hover {
  color: var(--accent);
}

/* ==========================================================================
   Utilities
   ========================================================================== */

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

.mt-40 {
  margin-top: 40px;
}

/* ==========================================================================
   Responsive - Tablet
   ========================================================================== */

@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.5rem;
  }

  .hero h2 {
    font-size: 1.5rem;
  }

  .section {
    padding: 50px 0;
  }

  .container {
    padding: 0 6vw;
  }

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

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

  .about-grid .about-image {
    order: -1;
  }

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

  .skills-grid h2 {
    grid-column: span 1;
  }

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

  .projects-grid.listing {
    grid-template-columns: 1fr;
  }

  .hamburger {
    display: flex;
  }

  .nav-desktop,
  .header-social {
    display: none;
  }
}

/* ==========================================================================
   Responsive - Mobile
   ========================================================================== */

@media (max-width: 480px) {
  .hero h1 {
    font-size: 2rem;
  }

  .section-title {
    font-size: 1.8rem;
  }
}