/* ===== SHARED INNER PAGE STYLES ===== */

/* ----- PAGE HERO ----- */
.page-hero {
  position: relative;
  padding-top: calc(68px + clamp(var(--space-12), 8vw, var(--space-20)));
  padding-bottom: clamp(var(--space-12), 6vw, var(--space-20));
  overflow: hidden;
}

.page-hero__glow {
  position: absolute;
  width: 700px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(ellipse, rgba(37,99,235,0.1) 0%, transparent 70%);
  top: 0;
  right: -100px;
  pointer-events: none;
}

.page-hero__content {
  max-width: 720px;
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.page-hero__title {
  color: var(--color-text);
  margin-top: var(--space-2);
}

.page-hero__sub {
  font-size: clamp(1rem, 1vw + 0.875rem, 1.2rem);
  color: var(--color-text-muted);
  line-height: 1.7;
  max-width: 60ch;
}

/* ----- SERVICES PAGE ----- */
.service-section {
  position: relative;
}

.service-section--alt {
  background: var(--color-surface);
}

.service-section__header {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-8);
  align-items: start;
  margin-bottom: var(--space-10);
  padding-bottom: var(--space-8);
  border-bottom: 1px solid var(--color-border-subtle);
}

.service-section__num {
  font-family: var(--font-mono);
  font-size: clamp(3rem, 5vw, 5rem);
  font-weight: 700;
  color: var(--color-border);
  line-height: 1;
  flex-shrink: 0;
  letter-spacing: -0.03em;
}

.service-section__title {
  margin-block: var(--space-2) var(--space-3);
  color: var(--color-text);
}

.service-section__desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.75;
  max-width: 60ch;
}

.services-list-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.service-item {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-6);
  transition:
    border-color var(--transition-interactive),
    transform var(--transition-interactive),
    box-shadow var(--transition-interactive);
}

.service-item:hover {
  border-color: rgba(37,99,235,0.25);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.service-item h3 {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-2);
  letter-spacing: -0.01em;
}

.service-item p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* Services cta in common */
.cta-banner {
  background: var(--color-surface);
  border-block: 1px solid var(--color-border-subtle);
}

.cta-banner__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
  padding-block: var(--space-8);
}

.cta-banner__text h2 { color: var(--color-text); margin-bottom: var(--space-2); }
.cta-banner__text p { color: var(--color-text-muted); font-size: var(--text-sm); }
.cta-banner__actions { display: flex; gap: var(--space-3); flex-shrink: 0; }

/* ----- AI SOLUTIONS PAGE ----- */
.ai-hero {
  padding-top: calc(68px + clamp(var(--space-12), 8vw, var(--space-16)));
  padding-bottom: clamp(var(--space-12), 6vw, var(--space-20));
  position: relative;
  overflow: hidden;
  text-align: center;
}

.ai-hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.ai-hero__bg-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(37,99,235,0.08);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.ai-hero__bg-ring:nth-child(1) { width: 400px; height: 400px; animation: pulse-ring 4s ease-in-out infinite; }
.ai-hero__bg-ring:nth-child(2) { width: 600px; height: 600px; animation: pulse-ring 4s ease-in-out infinite 0.8s; }
.ai-hero__bg-ring:nth-child(3) { width: 800px; height: 800px; animation: pulse-ring 4s ease-in-out infinite 1.6s; }

@keyframes pulse-ring {
  0%, 100% { opacity: 0.3; transform: translate(-50%, -50%) scale(1); }
  50% { opacity: 0.7; transform: translate(-50%, -50%) scale(1.02); }
}

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

.ai-hero__icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--color-primary-glow);
  border: 1px solid rgba(37,99,235,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary-bright);
  margin: 0 auto var(--space-6);
  box-shadow: 0 0 40px rgba(37,99,235,0.2);
}

.ai-solutions-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}

.ai-solution-card {
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  position: relative;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: var(--color-surface);
  transition:
    border-color var(--transition-interactive),
    transform var(--transition-interactive),
    box-shadow var(--transition-interactive);
}

.ai-solution-card:hover {
  border-color: rgba(37,99,235,0.3);
  transform: translateY(-4px);
  box-shadow: var(--shadow-blue), var(--shadow-lg);
}

.ai-solution-card__glow {
  position: absolute;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(37,99,235,0.08) 0%, transparent 70%);
  top: -60px;
  right: -60px;
  pointer-events: none;
}

.ai-solution-card__status {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  color: #22c55e;
}

.ai-solution-card__status::before {
  content: '';
  width: 6px;
  height: 6px;
  background: #22c55e;
  border-radius: 50%;
  animation: blink 2s ease-in-out infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.ai-solution-card h3 {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

.ai-solution-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
  flex: 1;
}

.ai-solution-card__features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-top: var(--space-2);
}

.ai-solution-card__features li {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.ai-solution-card__features li::before {
  content: '';
  width: 4px;
  height: 4px;
  background: var(--color-primary-bright);
  border-radius: 50%;
  flex-shrink: 0;
}

/* ----- PORTFOLIO PAGE ----- */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

.portfolio-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--color-surface);
  transition:
    border-color var(--transition-interactive),
    transform var(--transition-interactive),
    box-shadow var(--transition-interactive);
}

.portfolio-card:hover {
  border-color: rgba(37,99,235,0.3);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.portfolio-card__visual {
  height: 220px;
  background: var(--color-surface-2);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.portfolio-card__visual-bg {
  position: absolute;
  inset: 0;
}

.portfolio-card__visual-label {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: rgba(255,255,255,0.15);
  position: relative;
  z-index: 1;
  user-select: none;
}

[data-theme="light"] .portfolio-card__visual-label {
  color: rgba(0,0,0,0.1);
}

.portfolio-card__body {
  padding: var(--space-8);
}

.portfolio-card__tag {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary-bright);
  margin-bottom: var(--space-3);
}

.portfolio-card__title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-4);
  letter-spacing: -0.02em;
}

.portfolio-card__row {
  display: grid;
  grid-template-columns: 1fr 1px 1fr;
  gap: var(--space-5);
  margin-bottom: var(--space-6);
}

.portfolio-card__row-divider {
  background: var(--color-border-subtle);
  align-self: stretch;
}

.portfolio-detail-label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin-bottom: var(--space-2);
}

.portfolio-detail-text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

.portfolio-card__results {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

/* ----- ABOUT PAGE ----- */
.about-hero {
  padding-top: calc(68px + clamp(var(--space-16), 8vw, var(--space-24)));
  padding-bottom: clamp(var(--space-12), 6vw, var(--space-20));
  position: relative;
  overflow: hidden;
}

.about-content-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-20);
  align-items: start;
}

.about-portrait {
  position: sticky;
  top: calc(68px + var(--space-10));
}

.about-portrait__card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--color-surface);
}

.about-portrait__visual {
  height: 300px;
  background: linear-gradient(135deg, var(--color-surface-2) 0%, var(--color-surface-3) 100%);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-portrait__initials {
  font-family: var(--font-display);
  font-size: clamp(4rem, 8vw, 8rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  background: linear-gradient(135deg, var(--color-primary) 0%, #60a5fa 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  user-select: none;
}

.about-portrait__info {
  padding: var(--space-6);
}

.about-portrait__name {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: -0.03em;
  margin-bottom: var(--space-1);
}

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

.about-portrait__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-5);
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-border-subtle);
}

.about-text h2 {
  color: var(--color-text);
  margin-bottom: var(--space-6);
}

.about-text p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: var(--space-6);
}

.expertise-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-8);
}

.expertise-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-5);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
}

.expertise-item .icon-wrap {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
}

.expertise-item h4 {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-1);
}

.expertise-item p {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.6;
  margin: 0;
}

/* ----- CONTACT PAGE ----- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: var(--space-16);
  align-items: start;
}

.contact-info h2 {
  color: var(--color-text);
  margin-bottom: var(--space-5);
}

.contact-info p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: var(--space-8);
}

.contact-detail {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  margin-bottom: var(--space-3);
}

.contact-detail .icon-wrap {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
}

.contact-detail-label { font-size: var(--text-xs); color: var(--color-text-faint); margin-bottom: var(--space-1); }
.contact-detail-val { font-size: var(--text-sm); font-weight: 600; color: var(--color-text); }

/* Form */
.contact-form-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-10);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

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

.form-label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: 0.01em;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--color-surface-2);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-family: var(--font-body);
  color: var(--color-text);
  transition:
    border-color var(--transition-interactive),
    box-shadow var(--transition-interactive),
    background var(--transition-interactive);
  outline: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-glow);
  background: var(--color-surface);
}

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

.form-textarea {
  resize: vertical;
  min-height: 130px;
}

.form-select {
  cursor: pointer;
}

.form-select option {
  background: var(--color-surface);
  color: var(--color-text);
}

.contact-form-actions {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1100px) {
  .services-list-grid { grid-template-columns: repeat(2, 1fr); }
  .ai-solutions-grid { grid-template-columns: repeat(2, 1fr); }
  .portfolio-grid { grid-template-columns: 1fr; }
  .about-content-grid { grid-template-columns: 1fr; }
  .about-portrait { position: static; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  /* Inner page hero: kill viewport-padding, hug nav tightly */
  .page-hero {
    padding-top: calc(68px + 0.875rem) !important;
    padding-bottom: 1.25rem !important;
  }
  .ai-hero {
    padding-top: calc(68px + 0.875rem) !important;
  }
  .about-hero {
    padding-top: calc(68px + 0.875rem) !important;
    padding-bottom: 1.5rem !important;
  }
  .page-hero__content { gap: var(--space-3); }
  .page-hero__title { font-size: clamp(1.75rem, 8vw, 2.5rem); }

  .service-section__header { grid-template-columns: 1fr; gap: var(--space-4); }
  .service-section__num { font-size: 2.5rem; }
  .services-list-grid { grid-template-columns: 1fr; }
  .ai-solutions-grid { grid-template-columns: 1fr; }
  .expertise-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .contact-form-card { padding: var(--space-6); }
  .cta-banner__inner { flex-direction: column; text-align: center; }
  .cta-banner__actions { flex-direction: column; width: 100%; }
  .cta-banner__actions .btn { justify-content: center; }
}

/* ===== PROCESS STEPS (for inner pages) ===== */
.process__steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-10);
  position: relative;
}

.process__step {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.process__step-num {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-primary-bright);
  background: var(--color-primary-glow);
  border: 1px solid rgba(37,99,235,0.2);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  letter-spacing: 0.05em;
}

.process__step-content h3 {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-2);
  font-family: var(--font-display);
}

.process__step-content p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
}

@media (max-width: 768px) {
  .process__steps { grid-template-columns: 1fr 1fr !important; }
}
@media (max-width: 500px) {
  .process__steps { grid-template-columns: 1fr !important; }
}