/* ===== VARIABLES ===== */
:root {
  --bg-body: #0f0f0f;
  --bg-section: #141414;
  --bg-section-alt: #1a1a1a;
  --bg-card: #1e1e1e;
  --bg-input: #252526;
  --bg-hover: #2d2d2d;

  --border: #2e2e32;
  --border-light: #3e3e42;
  --border-focus: #f5a623;

  --text-primary: #e0e0e0;
  --text-secondary: #9d9d9d;
  --text-muted: #6a6a6a;
  --text-bright: #ffffff;

  --accent: #f5a623;
  --accent-hover: #f5c842;
  --accent-subtle: rgba(245, 166, 35, 0.12);

  --whatsapp: #25d366;
  --whatsapp-hover: #20bd5a;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.4);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.5);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.6);

  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', sans-serif;
  --max-width: 1100px;
}

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

html { scroll-behavior: smooth; }

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

img { max-width: 100%; display: block; }
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

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

/* ===== NAVBAR ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(15, 15, 15, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
}

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

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.nav-logo {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: #ffffff;
  padding: 2px;
}

.nav-title {
  font-size: 18px;
  font-weight: 700;
  background: linear-gradient(135deg, #f5c842, #f5a623);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 28px;
  align-items: center;
}

.nav-links a {
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: var(--text-bright);
}

.nav-links .nav-cta {
  background: var(--accent);
  color: #000;
  padding: 8px 18px;
  border-radius: var(--radius-md);
  font-weight: 600;
}

.nav-links .nav-cta:hover {
  background: var(--accent-hover);
  color: #000;
}

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

.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 1px;
  transition: 0.2s;
}

/* ===== HERO ===== */
.hero {
  padding: 160px 0 100px;
  text-align: center;
  background: radial-gradient(ellipse at 50% 0%, rgba(245,166,35,0.08) 0%, transparent 60%);
}

.hero-content {
  max-width: 740px;
  margin: 0 auto;
}

.hero-title {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  line-height: 1.2;
  color: var(--text-bright);
  margin-bottom: 20px;
}

.highlight {
  background: linear-gradient(135deg, #f5c842, #f5a623);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 17px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 28px;
}

.hero-benefits {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 36px;
}

.benefit-tag {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 8px 18px;
  font-size: 14px;
  color: var(--text-primary);
}

.hero-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 16px;
}

/* ===== SECTIONS ===== */
.section {
  padding: 80px 0;
}

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

.section-title {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-bright);
  text-align: center;
  margin-bottom: 12px;
}

.section-sub {
  font-size: 15px;
  color: var(--text-secondary);
  text-align: center;
  max-width: 560px;
  margin: 0 auto 48px;
}

/* ===== STEPS / HOW IT WORKS ===== */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.step-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 20px;
  text-align: center;
  position: relative;
  transition: border-color 0.2s, transform 0.2s;
}

.step-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
}

.step-number {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  width: 28px;
  height: 28px;
  background: var(--accent);
  color: #000;
  font-size: 13px;
  font-weight: 700;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.step-icon {
  width: 44px;
  height: 44px;
  margin: 8px auto 14px;
  color: var(--accent);
}

.step-icon svg {
  width: 100%;
  height: 100%;
}

.step-card h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-bright);
  margin-bottom: 8px;
}

.step-card p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ===== GALLERY ===== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 24px;
}

.gallery-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
}

.gallery-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.placeholder-card {
  background: var(--bg-card);
  border: 1px dashed var(--border-light);
  display: flex;
  align-items: center;
  justify-content: center;
}

.placeholder-content {
  text-align: center;
  color: var(--text-muted);
}

.placeholder-icon {
  font-size: 32px;
  display: block;
  margin-bottom: 8px;
}

.placeholder-content p {
  font-size: 13px;
}

.gallery-note {
  text-align: center;
  font-size: 14px;
  color: var(--text-muted);
  font-style: italic;
}

/* ===== PRICING ===== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: start;
}

.price-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  position: relative;
  transition: border-color 0.2s, transform 0.2s;
}

.price-card:hover {
  border-color: var(--border-light);
  transform: translateY(-2px);
}

.price-card.featured {
  border-color: var(--accent);
  box-shadow: 0 0 30px rgba(245, 166, 35, 0.1);
}

.price-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #000;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 20px;
  white-space: nowrap;
}

.price-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-bright);
  margin-bottom: 4px;
}

.price-size {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.price-amount {
  font-size: 36px;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 20px;
}

.price-features {
  list-style: none;
  text-align: left;
}

.price-features li {
  font-size: 14px;
  color: var(--text-secondary);
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 8px;
}

.price-features li:last-child {
  border-bottom: none;
}

.price-features li::before {
  content: "✓";
  color: var(--accent);
  font-weight: 700;
  font-size: 12px;
}

.pricing-notes {
  max-width: 600px;
  margin: 36px auto 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.pricing-notes p {
  font-size: 14px;
  color: var(--text-secondary);
  text-align: center;
}

/* ===== FAQ ===== */
.faq-list {
  max-width: 680px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.faq-item summary {
  padding: 16px 20px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-bright);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background 0.2s;
}

.faq-item summary:hover {
  background: var(--bg-hover);
}

.faq-item summary::after {
  content: "+";
  font-size: 18px;
  color: var(--accent);
  font-weight: 300;
  transition: transform 0.2s;
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item p {
  padding: 0 20px 16px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}

.faq-item p a {
  color: var(--accent);
}

/* ===== ORDER SECTION ===== */
.order-options {
  text-align: center;
  margin-bottom: 36px;
}

.order-whatsapp {
  margin-bottom: 16px;
}

.order-divider {
  display: block;
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 12px;
}

.order-form {
  max-width: 640px;
  margin: 0 auto;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 32px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group.full-width {
  grid-column: 1 / -1;
}

.form-group label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
}

.optional {
  font-weight: 400;
  color: var(--text-muted);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 10px 14px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-bright);
  font-size: 14px;
  font-family: var(--font-sans);
  outline: none;
  transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--border-focus);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

.form-group select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%239d9d9d' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

.form-group textarea {
  resize: vertical;
  min-height: 80px;
}

.form-note {
  text-align: center;
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 16px;
}

/* File upload */
.file-upload {
  border: 2px dashed var(--border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
  position: relative;
}

.file-upload:hover,
.file-upload.dragover {
  border-color: var(--accent);
  background: var(--accent-subtle);
}

.file-upload-content {
  padding: 32px 24px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.file-upload-icon {
  width: 36px;
  height: 36px;
  color: var(--text-muted);
}

.file-upload-content p {
  font-size: 14px;
  color: var(--text-secondary);
}

.file-upload-content span {
  font-size: 12px;
  color: var(--text-muted);
}

.file-preview {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  background: var(--bg-hover);
}

.file-preview[hidden] {
  display: none;
}

.file-preview img {
  max-height: 200px;
  border-radius: var(--radius-sm);
}

.file-remove {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(0,0,0,0.7);
  color: #fff;
  border: none;
  cursor: pointer;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}

.file-remove:hover {
  background: rgba(241, 76, 76, 0.8);
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 24px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 600;
  font-family: var(--font-sans);
  cursor: pointer;
  border: none;
  transition: all 0.2s;
  text-decoration: none;
}

.btn-primary {
  background: var(--accent);
  color: #000;
}

.btn-primary:hover {
  background: var(--accent-hover);
  color: #000;
  transform: translateY(-1px);
}

.btn-whatsapp {
  background: var(--whatsapp);
  color: #fff;
}

.btn-whatsapp:hover {
  background: var(--whatsapp-hover);
  color: #fff;
  transform: translateY(-1px);
}

.whatsapp-icon {
  width: 20px;
  height: 20px;
}

.btn-secondary {
  background: var(--bg-hover);
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: var(--border);
}

.btn-lg {
  padding: 14px 32px;
  font-size: 16px;
  border-radius: var(--radius-md);
}

.btn-submit {
  width: 100%;
}

.btn-spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(0,0,0,0.2);
  border-top-color: #000;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ===== SUCCESS MESSAGE ===== */
.success-message {
  max-width: 480px;
  margin: 0 auto;
  text-align: center;
  padding: 48px 24px;
}

.success-message[hidden] {
  display: none;
}

.success-icon {
  width: 64px;
  height: 64px;
  background: var(--accent);
  color: #000;
  font-size: 28px;
  font-weight: 700;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.success-message h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-bright);
  margin-bottom: 12px;
}

.success-message p {
  font-size: 15px;
  color: var(--text-secondary);
  margin-bottom: 24px;
  line-height: 1.7;
}

/* ===== ABOUT ===== */
.about-content {
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
}

.about-text {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 16px;
}

.about-text:last-child {
  margin-bottom: 0;
}

/* ===== TERMS ===== */
.terms-content {
  max-width: 800px;
  margin: 0 auto;
}

.terms-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 32px;
}

.terms-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
}

.terms-item h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-bright);
  margin-bottom: 8px;
}

.terms-item p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.7;
}

.terms-footer {
  font-size: 13px;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.7;
}

/* ===== FOOTER ===== */
.footer {
  border-top: 1px solid var(--border);
  padding: 40px 0;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  text-align: center;
}

.footer-left {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  color: var(--text-primary);
}

.footer-logo {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: #ffffff;
  padding: 2px;
}

.footer-tagline {
  font-size: 13px;
  color: var(--text-muted);
  font-style: italic;
}

.footer-links {
  display: flex;
  gap: 20px;
  align-items: center;
}

.footer-social-icon {
  width: 22px;
  height: 22px;
  color: var(--text-secondary);
  transition: color 0.2s;
}

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

.footer-copy {
  font-size: 13px;
  color: var(--text-muted);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(15, 15, 15, 0.95);
    backdrop-filter: blur(12px);
    flex-direction: column;
    padding: 20px 24px;
    gap: 16px;
    border-bottom: 1px solid var(--border);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links .nav-cta {
    text-align: center;
  }

  .nav-toggle {
    display: flex;
  }

  .hero {
    padding: 120px 0 60px;
  }

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

  .hero-benefits {
    gap: 8px;
  }

  .benefit-tag {
    font-size: 12px;
    padding: 6px 12px;
  }

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

  .steps-grid {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }

  .gallery-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .pricing-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

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

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

  .footer-content {
    gap: 16px;
  }
}

@media (max-width: 480px) {
  .steps-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-body); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-light); }

/* ===== GALLERY ===== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
  margin-bottom: 24px;
}
.gallery-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
}
.gallery-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
}
.gallery-card img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  background: var(--bg-section-alt);
}
.gallery-card-body {
  padding: 14px 16px;
}
.gallery-card-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-bright);
  margin-bottom: 4px;
}
.gallery-card-tag {
  display: inline-block;
  font-size: 10px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 8px;
  background: var(--accent-subtle);
  color: var(--accent);
  text-transform: capitalize;
}
.gallery-note {
  text-align: center;
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 16px;
}
.gallery-loading {
  grid-column: 1 / -1;
  text-align: center;
  padding: 40px;
  color: var(--text-muted);
  font-size: 14px;
}
.gallery-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}
.gallery-empty h3 {
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}
