/* ==========================================================================
   Annularity Studio - Component Library
   Minimalist & Precision Engineering Components
   ========================================================================== */

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.01em;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition-fast);
  line-height: 1.4;
  white-space: nowrap;
  max-width: 100%;
  box-sizing: border-box;
}

.btn-primary {
  background: var(--accent);
  color: #FFFFFF;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.btn-primary:hover {
  background: var(--accent-light);
  box-shadow: 0 4px 14px rgba(171, 51, 234, 0.25);
  transform: translateY(-1px);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.02);
  color: var(--text-primary);
  border-color: var(--border-light);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-1px);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 13px;
}

.btn-icon {
  width: 16px;
  height: 16px;
  transition: transform var(--transition-fast);
}

.btn:hover .btn-icon {
  transform: translateX(3px);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
  padding-top: 155px;
  padding-bottom: 90px;
  position: relative;
  overflow: hidden;
}

.hero-content {
  width: 100%;
  max-width: 900px;
  box-sizing: border-box;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-pill);
  padding: 6px 14px;
  margin-bottom: 26px;
  max-width: 100%;
  box-sizing: border-box;
}

.eyebrow-dot {
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  flex-shrink: 0;
}

.hero-headline {
  font-size: clamp(30px, 5.2vw, 56px);
  font-weight: 600;
  line-height: 1.14;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 24px;
  word-break: break-word;
  overflow-wrap: break-word;
}

.hero-headline-accent {
  color: inherit;
}

.hero-subhead {
  font-size: clamp(15px, 1.8vw, 18px);
  font-weight: 400;
  line-height: 1.6;
  color: var(--text-muted);
  max-width: 660px;
  margin-bottom: 36px;
  word-break: break-word;
  overflow-wrap: break-word;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 70px;
  flex-wrap: wrap;
  max-width: 100%;
}

/* Minimalist Stats Strip */
.stats-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  padding-top: 40px;
  border-top: 1px solid var(--border-subtle);
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-value {
  font-size: 28px;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  margin-bottom: 4px;
}

.stat-value span {
  color: var(--accent-light);
}

.stat-label {
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.4;
}

/* ==========================================================================
   Capabilities (Servicios)
   ========================================================================== */
.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.capability-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 36px;
  display: flex;
  flex-direction: column;
  transition: border-color var(--transition-base), transform var(--transition-base);
}

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

.capability-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 22px;
}

.capability-num {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--accent-light);
}

.capability-icon {
  color: var(--text-dim);
  width: 22px;
  height: 22px;
}

.capability-title {
  font-size: 21px;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.capability-desc {
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--text-muted);
  margin-bottom: 24px;
  flex-grow: 1;
}

.capability-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  border-top: 1px solid var(--border-subtle);
  padding-top: 20px;
}

.tag-pill {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 500;
  color: var(--text-dim);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  padding: 4px 10px;
  border-radius: var(--radius-xs);
}

/* ==========================================================================
   Projects / Portfolio
   ========================================================================== */
.portfolio-filters {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.filter-btn {
  background: transparent;
  border: 1px solid var(--border-subtle);
  color: var(--text-dim);
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-light);
}

.filter-btn.active {
  background: #FFFFFF;
  border-color: #FFFFFF;
  color: #050507;
  font-weight: 600;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.project-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  cursor: pointer;
  transition: border-color var(--transition-base), transform var(--transition-base);
}

.project-card:hover {
  border-color: var(--border-light);
  transform: translateY(-3px);
}

.project-media {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #000000;
  border-bottom: 1px solid var(--border-subtle);
}

.project-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
  transition: transform var(--transition-slow);
}

.project-card:hover .project-img {
  transform: scale(1.03);
}

.project-category-pill {
  position: absolute;
  top: 14px;
  left: 14px;
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: rgba(5, 5, 7, 0.88);
  border: 1px solid var(--border-subtle);
  backdrop-filter: blur(8px);
  color: var(--accent-light);
  padding: 4px 10px;
  border-radius: var(--radius-xs);
}

.project-body {
  padding: 26px 28px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.project-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.project-summary {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-muted);
  margin-bottom: 20px;
  flex-grow: 1;
}

.project-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-subtle);
  padding-top: 16px;
  gap: 12px;
  flex-wrap: wrap;
}

.project-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.project-view-link {
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--accent-light);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-weight: 500;
  white-space: nowrap;
}

/* ==========================================================================
   Principles / Engineering Discipline
   ========================================================================== */
.principles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.principle-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 32px 28px;
}

.principle-num {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  margin-bottom: 16px;
  display: block;
}

.principle-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.principle-desc {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-muted);
}

/* ==========================================================================
   Contact Section
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 50px;
  align-items: start;
}

.contact-info-title {
  font-size: 26px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 14px;
}

.contact-info-desc {
  font-size: 15px;
  line-height: 1.65;
  color: var(--text-muted);
  margin-bottom: 32px;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 36px;
}

.contact-method-card {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  text-decoration: none;
  transition: all var(--transition-fast);
  min-width: 0;
  max-width: 100%;
  box-sizing: border-box;
}

.contact-method-card:hover {
  border-color: var(--border-light);
  transform: translateX(3px);
}

.contact-method-icon {
  width: 20px;
  height: 20px;
  color: var(--accent-light);
  flex-shrink: 0;
}

.contact-method-label {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 2px;
}

.contact-method-val {
  font-size: 14.5px;
  font-weight: 500;
  color: var(--text-primary);
  word-break: break-all;
  overflow-wrap: break-word;
}

.contact-form-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 36px;
}

.form-group {
  margin-bottom: 18px;
  min-width: 0;
  max-width: 100%;
  box-sizing: border-box;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  min-width: 0;
  max-width: 100%;
}

.form-label {
  display: block;
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 8px;
}

.form-input {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  box-sizing: border-box;
  background: rgba(5, 5, 7, 0.7);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xs);
  padding: 12px 14px;
  font-family: var(--font-sans);
  font-size: 14px;
  color: #FFFFFF;
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 14px rgba(171, 51, 234, 0.25);
  background: rgba(10, 10, 15, 0.95);
}

textarea.form-input {
  resize: vertical;
  min-height: 110px;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

.form-status {
  margin-top: 16px;
  padding: 12px 16px;
  border-radius: var(--radius-xs);
  font-size: 13.5px;
  display: none;
}

.form-status.success {
  display: block;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.4);
  color: #10B981;
}

.form-status.error {
  display: block;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.4);
  color: #EF4444;
}

/* ==========================================================================
   Project Modal
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  max-width: 760px;
  width: 100%;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  position: relative;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.9);
  overflow: hidden;
  transform: translateY(20px);
  transition: transform var(--transition-base);
}

.modal-overlay.active .modal-card {
  transform: translateY(0);
}

.modal-close-btn {
  position: absolute;
  top: 14px;
  right: 14px;
  background: rgba(5, 5, 7, 0.7);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-pill);
  color: var(--text-muted);
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  transition: all var(--transition-fast);
}

.modal-close-btn:hover {
  color: #FFFFFF;
  border-color: var(--border-light);
  background: rgba(171, 51, 234, 0.2);
}

.modal-media-header {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  max-height: 320px;
  background: #000000;
  border-bottom: 1px solid var(--border-subtle);
  overflow: hidden;
}

.modal-media-header img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

.modal-scrollable {
  padding: 30px;
  overflow-y: auto;
}

.modal-eyebrow {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-light);
  margin-bottom: 8px;
  display: block;
}

.modal-title {
  font-size: 26px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.modal-subtitle {
  font-size: 14.5px;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.modal-section-h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 22px 0 10px;
  letter-spacing: -0.01em;
}

.modal-text {
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--text-secondary);
}

.modal-bullets {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 8px;
}

.modal-bullets li {
  font-size: 14px;
  color: var(--text-secondary);
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.modal-bullets li::before {
  content: '▸';
  color: var(--accent-light);
  font-size: 12px;
}

.modal-bullets-results li::before {
  content: '✓';
  color: #10B981;
}

.modal-tech-list {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 10px;
}

/* ==========================================================================
   Responsive Adaptations for Components
   ========================================================================== */
@media (max-width: 992px) {
  .capabilities-grid,
  .projects-grid,
  .principles-grid,
  .contact-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
  }

  .stats-strip {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
  }

  .hero {
    padding-top: 140px;
    padding-bottom: 75px;
  }
}

@media (max-width: 768px) {
  .hero {
    padding-top: 125px;
    padding-bottom: 60px;
  }

  .hero-headline {
    font-size: clamp(28px, 6vw, 42px);
  }

  .hero-subhead {
    font-size: 15.5px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    gap: 10px;
    margin-bottom: 44px;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .stats-strip {
    grid-template-columns: 1fr;
    gap: 16px;
    padding-top: 28px;
  }

  .capability-card {
    padding: 28px 24px;
  }

  .project-body {
    padding: 22px 20px;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 14px;
  }
}

@media (max-width: 600px) {
  .btn {
    white-space: normal;
    text-align: center;
    padding: 12px 18px;
  }

  .hero {
    padding-top: 110px;
    padding-bottom: 50px;
  }

  .hero-eyebrow {
    font-size: 10px;
    padding: 5px 12px;
    margin-bottom: 16px;
    max-width: 100%;
    white-space: normal;
    line-height: 1.4;
  }

  .hero-headline {
    font-size: clamp(25px, 7vw, 34px);
    margin-bottom: 16px;
    line-height: 1.14;
  }

  .hero-subhead {
    font-size: 14.5px;
    line-height: 1.6;
    margin-bottom: 24px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    margin-bottom: 38px;
    width: 100%;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .stats-strip {
    grid-template-columns: minmax(0, 1fr);
    gap: 14px;
    padding-top: 24px;
  }

  .stat-value {
    font-size: 24px;
  }

  .portfolio-filters {
    gap: 6px;
    margin-bottom: 24px;
    width: 100%;
  }

  .filter-btn {
    font-size: 12px;
    padding: 6px 12px;
    white-space: normal;
  }

  .capability-card,
  .contact-form-card {
    padding: 22px 18px;
    border-radius: var(--radius-sm);
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .form-input {
    font-size: 16px; /* Prevents auto-zoom in iOS Safari */
    padding: 11px 13px;
  }

  .contact-info-title {
    font-size: 22px;
  }

  .contact-method-card {
    padding: 14px 16px;
  }

  .modal-overlay {
    padding: 12px;
  }

  .modal-card {
    max-height: 94vh;
    border-radius: var(--radius-md);
  }

  .modal-scrollable {
    padding: 18px 16px;
  }

  .modal-title {
    font-size: 21px;
  }
}

@media (max-width: 400px) {
  .hero {
    padding-top: 96px;
  }

  .hero-headline {
    font-size: 24px;
    line-height: 1.15;
  }

  .stat-value {
    font-size: 22px;
  }

  .capability-card,
  .contact-form-card {
    padding: 18px 14px;
  }

  .capability-title,
  .project-title {
    font-size: 17px;
  }

  .capability-desc,
  .project-summary {
    font-size: 13px;
  }

  .project-body {
    padding: 16px 12px;
  }

  .filter-btn {
    font-size: 11px;
    padding: 5px 10px;
  }
}

/* ==========================================================================
   Static / Floating Back-to-Top Bubble
   ========================================================================== */
.scroll-top-bubble {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(14, 14, 18, 0.85);
  border: 1px solid var(--border-light);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 95;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.35);
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: opacity var(--transition-base), transform var(--transition-base), border-color var(--transition-fast), background var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
  -webkit-tap-highlight-color: transparent;
}

.scroll-top-bubble.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.scroll-top-bubble:hover {
  background: rgba(22, 22, 28, 0.95);
  border-color: rgba(255, 255, 255, 0.3);
  color: #FFFFFF;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.5);
  transform: translateY(-2px);
}

.scroll-top-bubble:active {
  transform: translateY(1px);
}

.scroll-top-icon {
  width: 20px;
  height: 20px;
  transition: transform var(--transition-fast);
}

.scroll-top-bubble:hover .scroll-top-icon {
  transform: translateY(-2px);
}

@media (max-width: 600px) {
  .scroll-top-bubble {
    bottom: 20px;
    right: 20px;
    width: 42px;
    height: 42px;
  }

  .scroll-top-icon {
    width: 18px;
    height: 18px;
  }
}