/* ==========================================================================
   STYLES.CSS — Portfólio Luiz Eduardo
   Organização: Reset → Base → Header → Hero → Seções → Footer → Utilitários → MQ
   ========================================================================== */

@import url('variables.css');

/* ── 1. RESET / BASE ──────────────────────────────────────────────────────── */

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

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

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

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

ul, ol {
  list-style: none;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  color: var(--color-text-heading);
  font-weight: 700;
  line-height: 1.2;
}

::selection {
  background-color: var(--color-accent);
  color: #fff;
}

/* ── 2. CONTAINER / LAYOUT ────────────────────────────────────────────────── */

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.section {
  padding: var(--space-4xl) 0;
}

.section__title {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-sm);
  position: relative;
  display: inline-block;
}

.section__title::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: var(--color-accent);
  margin-top: var(--space-sm);
  border-radius: 2px;
}

.section__subtitle {
  color: var(--color-text-muted);
  font-size: var(--text-lg);
  margin-bottom: var(--space-3xl);
  max-width: 600px;
}

/* ── 3. HEADER / NAV ──────────────────────────────────────────────────────── */

.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-base);
}

.header--scrolled {
  border-bottom-color: var(--color-border);
}

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

.header__logo {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text-heading);
  letter-spacing: -0.5px;
}

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

.nav__list {
  display: flex;
  gap: var(--space-xl);
}

.nav__link {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: color var(--transition-fast);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition-base);
}

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

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

/* Hamburger */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
  z-index: 1001;
}

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

.nav__toggle--active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

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

.nav__toggle--active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ── 4. HERO ──────────────────────────────────────────────────────────────── */

.hero {
  min-height: auto;
  display: flex;
  align-items: center;
  padding-top: calc(72px + var(--space-xl));
  padding-bottom: var(--space-2xl);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--color-accent-glow) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 1;
}

.hero__photo {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--color-accent);
  box-shadow: var(--shadow-glow);
  margin-bottom: var(--space-md);
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: var(--space-xs) var(--space-md);
  font-size: var(--text-sm);
  color: var(--color-accent-light);
  margin-bottom: var(--space-md);
  font-family: var(--font-mono);
}

.hero__badge::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--color-success);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero__title {
  font-size: var(--text-4xl);
  font-weight: 800;
  margin-bottom: var(--space-md);
  letter-spacing: -1px;
}

.hero__title span {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__description {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 560px;
  margin-bottom: var(--space-lg);
  line-height: 1.7;
}

.hero__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  background: var(--color-accent);
  color: #fff;
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--border-radius);
  font-weight: 600;
  font-size: var(--text-base);
  transition: transform var(--transition-fast), box-shadow var(--transition-base);
  border: none;
  cursor: pointer;
}

.hero__cta:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
  color: #fff;
}

.hero__cta svg {
  width: 18px;
  height: 18px;
  transition: transform var(--transition-fast);
}

.hero__cta:hover svg {
  transform: translateX(4px);
}

.hero__stack {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

.hero__stack-tag {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--border-radius-sm);
  font-size: var(--text-xs);
  font-family: var(--font-mono);
}

/* ── 5. PROJETOS ──────────────────────────────────────────────────────────── */

.projects {
  background: var(--color-surface);
}

.projects__grid {
  display: grid;
  gap: var(--space-3xl);
}

.project-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.project-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-glow);
}

.project-card__slider {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  cursor: col-resize;
  user-select: none;
  -webkit-user-select: none;
}

.project-card__img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.project-card__img--after {
  clip-path: inset(0 50% 0 0);
}

/* Labels "Antes" e "Depois" */
.project-card__label {
  position: absolute;
  top: var(--space-md);
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--border-radius-sm);
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  z-index: 5;
  pointer-events: none;
  font-family: var(--font-mono);
}

.project-card__label--before {
  right: var(--space-md);
  background: var(--color-label-before);
  color: #fff;
}

.project-card__label--after {
  left: var(--space-md);
  background: var(--color-label-after);
  color: #fff;
}

/* Divisor do slider */
.project-card__divider {
  position: absolute;
  top: 0;
  left: 50%;
  width: 3px;
  height: 100%;
  background: #fff;
  z-index: 10;
  pointer-events: none;
  transform: translateX(-50%);
  box-shadow: 0 0 8px rgba(0, 0, 0, 0.5);
}

.project-card__handle {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 44px;
  height: 44px;
  background: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 11;
  pointer-events: none;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-fast);
}

.project-card__handle svg {
  width: 20px;
  height: 20px;
  color: var(--color-bg);
}

.project-card__slider:hover .project-card__handle,
.project-card__slider:active .project-card__handle {
  transform: translate(-50%, -50%) scale(1.1);
}

/* Estado de arraste ativo — classe adicionada via JS */
.project-card__slider--dragging .project-card__handle {
  transform: translate(-50%, -50%) scale(1.15);
  box-shadow: var(--shadow-glow), var(--shadow-md);
  background: var(--color-accent-light);
}

.project-card__slider--dragging .project-card__handle svg {
  color: #fff;
}

.project-card__slider--dragging .project-card__divider {
  background: var(--color-accent-light);
  box-shadow: 0 0 12px var(--color-accent-glow);
}

/* Input range invisível sobre o slider */
.project-card__range {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: col-resize;
  z-index: 20;
  margin: 0;
  -webkit-appearance: none;
  appearance: none;
  touch-action: none;
}

.project-card__range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 44px;
  height: 100%;
  cursor: col-resize;
}

/* Conteúdo do card */
.project-card__body {
  padding: var(--space-xl);
}

.project-card__tag {
  display: inline-block;
  background: var(--color-accent-glow);
  color: var(--color-accent-light);
  padding: var(--space-xs) var(--space-md);
  border-radius: 999px;
  font-size: var(--text-xs);
  font-weight: 600;
  font-family: var(--font-mono);
  margin-bottom: var(--space-md);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.project-card__title {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-sm);
}

.project-card__desc {
  color: var(--color-text-muted);
  font-size: var(--text-base);
  line-height: 1.7;
  margin-bottom: var(--space-lg);
}

.project-card__tech {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.project-card__tech-item {
  background: var(--color-surface-alt);
  color: var(--color-text-muted);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--border-radius-sm);
  font-size: var(--text-xs);
  font-family: var(--font-mono);
}

.project-card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
  color: var(--color-accent-light);
  font-weight: 600;
  font-size: var(--text-sm);
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--color-accent);
  border-radius: var(--border-radius-sm);
  transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.project-card__link:hover {
  background: var(--color-accent);
  color: #fff;
  transform: translateY(-2px);
}

.project-card__link svg {
  transition: transform var(--transition-fast);
}

.project-card__link:hover svg {
  transform: translate(2px, -2px);
}

/* ── 6. EXPERIÊNCIA (TIMELINE) ────────────────────────────────────────────── */

.experience__timeline {
  position: relative;
  padding-left: var(--space-2xl);
}

.experience__timeline::before {
  content: '';
  position: absolute;
  top: 0;
  left: 8px;
  width: 2px;
  height: 100%;
  background: var(--color-border);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--space-3xl);
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-item__dot {
  position: absolute;
  top: 6px;
  left: calc(-1 * var(--space-2xl) + 2px);
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-accent);
  border: 3px solid var(--color-bg);
  z-index: 1;
}

.timeline-item__period {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-accent-light);
  margin-bottom: var(--space-xs);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.timeline-item__role {
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.timeline-item__company {
  color: var(--color-text-muted);
  font-size: var(--text-base);
  margin-bottom: var(--space-md);
}

.timeline-item__desc {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  line-height: 1.8;
}

/* ── 6b. CTA — CHAMADA PARA AÇÃO ─────────────────────────────────────────── */

.cta {
  padding: var(--space-4xl) 0;
  background: linear-gradient(135deg, var(--color-accent-glow) 0%, var(--color-bg) 50%, var(--color-accent-glow) 100%);
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at 50% 50%, var(--color-accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

.cta__content {
  text-align: center;
  position: relative;
  z-index: 1;
  max-width: 640px;
}

.cta__title {
  font-size: var(--text-3xl);
  font-weight: 800;
  margin-bottom: var(--space-lg);
  color: var(--color-text-heading);
}

.cta__desc {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: var(--space-2xl);
}

.cta__actions {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

.cta__btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--border-radius);
  font-weight: 600;
  font-size: var(--text-base);
  transition: transform var(--transition-fast), box-shadow var(--transition-base);
  cursor: pointer;
  border: none;
  text-decoration: none;
}

.cta__btn:hover {
  transform: translateY(-2px);
}

.cta__btn--whatsapp {
  background: #25D366;
  color: #fff;
}

.cta__btn--whatsapp:hover {
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  color: #fff;
}

.cta__btn--email {
  background: var(--color-accent);
  color: #fff;
}

.cta__btn--email:hover {
  box-shadow: var(--shadow-glow);
  color: #fff;
}

/* ── 7. CONTATO ───────────────────────────────────────────────────────────── */

.contact {
  background: var(--color-surface);
}

.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: start;
}

.contact__info {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

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

.contact__icon {
  width: 44px;
  height: 44px;
  background: var(--color-accent-glow);
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact__icon svg {
  width: 20px;
  height: 20px;
  color: var(--color-accent-light);
}

.contact__item-label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-xs);
}

.contact__item-value {
  color: var(--color-text-heading);
  font-weight: 500;
}

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

.contact__input,
.contact__textarea {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  padding: var(--space-md);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--text-base);
  transition: border-color var(--transition-fast);
  outline: none;
}

.contact__input:focus,
.contact__textarea:focus {
  border-color: var(--color-accent);
}

.contact__textarea {
  min-height: 140px;
  resize: vertical;
}

.contact__submit {
  background: var(--color-accent);
  color: #fff;
  border: none;
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--border-radius-sm);
  font-weight: 600;
  font-size: var(--text-base);
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-base);
  align-self: flex-start;
}

.contact__submit:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

/* ── 7b. MODAL ───────────────────────────────────────────────────────────── */

.modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.modal--open {
  opacity: 1;
  visibility: visible;
}

.modal__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  cursor: pointer;
}

.modal__content {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: var(--space-3xl) var(--space-2xl);
  text-align: center;
  max-width: 420px;
  width: 90%;
  transform: scale(0.9);
  transition: transform var(--transition-base);
}

.modal--open .modal__content {
  transform: scale(1);
}

.modal__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  background: var(--color-accent-glow);
  border-radius: 50%;
  margin-bottom: var(--space-lg);
}

.modal__icon svg {
  color: var(--color-accent-light);
}

.modal__title {
  font-size: var(--text-xl);
  margin-bottom: var(--space-sm);
  color: var(--color-text-heading);
}

.modal__desc {
  color: var(--color-text-muted);
  font-size: var(--text-base);
  margin-bottom: var(--space-xl);
  line-height: 1.6;
}

.modal__btn {
  background: var(--color-accent);
  color: #fff;
  border: none;
  padding: var(--space-sm) var(--space-2xl);
  border-radius: var(--border-radius-sm);
  font-weight: 600;
  font-size: var(--text-base);
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-base);
}

.modal__btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

/* ── 8. FOOTER ────────────────────────────────────────────────────────────── */

.footer {
  padding: var(--space-xl) 0;
  border-top: 1px solid var(--color-border);
  text-align: center;
}

.footer__text {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.footer__text a {
  color: var(--color-accent-light);
}

/* ── 9. UTILITÁRIOS ──────────────────────────────────────────────────────── */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ── 10. ANIMAÇÕES (Scroll Reveal) ────────────────────────────────────────── */

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

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

/* ── 10. MEDIA QUERIES (Mobile First → Desktop) ──────────────────────────── */

/* ── Mobile (até 768px) ── */
@media (max-width: 768px) {
  .nav__list {
    position: fixed;
    top: 0;
    right: -100%;
    width: 75%;
    max-width: 300px;
    height: 100vh;
    background: var(--color-surface);
    flex-direction: column;
    padding: 100px var(--space-xl) var(--space-xl);
    gap: var(--space-lg);
    transition: right var(--transition-base);
    border-left: 1px solid var(--color-border);
  }

  .nav__list--open {
    right: 0;
  }

  .nav__toggle {
    display: flex;
  }

  .hero__title {
    font-size: clamp(1.8rem, 7vw, 2.5rem);
  }

  .hero__description {
    font-size: var(--text-base);
  }

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

  .project-card__body {
    padding: var(--space-lg);
  }

  .section {
    padding: var(--space-3xl) 0;
  }

  .section__title {
    font-size: var(--text-2xl);
  }

  .cta {
    padding: var(--space-3xl) 0;
  }

  .cta__title {
    font-size: var(--text-2xl);
  }

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

  .cta__btn {
    width: 100%;
    max-width: 300px;
    justify-content: center;
  }
}

/* ── Desktop (a partir de 1024px) ── */
@media (min-width: 1024px) {
  .projects__grid {
    grid-template-columns: 1fr;
  }

  .project-card {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
  }

  .project-card:nth-child(even) {
    direction: rtl;
  }

  .project-card:nth-child(even) > * {
    direction: ltr;
  }

  .project-card__slider {
    aspect-ratio: auto;
    min-height: 400px;
  }
}