/* ===================================================
   HIntelMedX — Design Tokens & Component Styles
   Art Direction: Professional Clinical — Deep navy,
   teal accent, authoritative serif display + clean sans body
   =================================================== */

/* --- Type Scale --- */
:root {
  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem    + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1.2rem  + 1.25vw, 2.25rem);
  --text-2xl:  clamp(2rem,     1.2rem  + 2.5vw,  3.5rem);

  /* Spacing (4px base) */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Content widths */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;
  --content-full: 100%;

  /* Fonts */
  --font-display: 'DM Serif Display', 'Georgia', serif;
  --font-body: 'DM Sans', 'Helvetica Neue', sans-serif;
}

/* --- Light Mode (Default) — Royal Red Palette --- */
:root, [data-theme="light"] {
  /* Surfaces — warm ivory / cream */
  --color-bg:             #fbf8f6;
  --color-surface:        #ffffff;
  --color-surface-2:      #f5efec;
  --color-surface-offset: #efe5e0;
  --color-divider:        #e6d6d2;
  --color-border:         #d4bcb5;

  /* Text — deep burgundy-tinted neutrals */
  --color-text:           #2a0d0f;
  --color-text-muted:     #6e4e51;
  --color-text-faint:     #a98c8f;
  --color-text-inverse:   #fbf8f6;

  /* Primary — royal crimson red */
  --color-primary:        #a91d2c;
  --color-primary-hover:  #8e1726;
  --color-primary-active: #72121f;
  --color-primary-light:  #fbe7ea;

  /* Accent — deep burgundy */
  --color-accent:         #4a0d18;
  --color-accent-light:   #6b1824;

  /* Shadows — warm undertone */
  --shadow-sm: 0 1px 2px oklch(0.25 0.05 20 / 0.08);
  --shadow-md: 0 4px 12px oklch(0.25 0.05 20 / 0.10);
  --shadow-lg: 0 12px 32px oklch(0.25 0.05 20 / 0.14);
}

/* --- Dark Mode — Royal Red --- */
[data-theme="dark"] {
  --color-bg:             #140608;
  --color-surface:        #1d0a0d;
  --color-surface-2:      #260e12;
  --color-surface-offset: #2f1216;
  --color-divider:        #3a1a1e;
  --color-border:         #4a2428;

  --color-text:           #f5e8ea;
  --color-text-muted:     #b8949a;
  --color-text-faint:     #7a5a5e;
  --color-text-inverse:   #140608;

  --color-primary:        #e8516a;
  --color-primary-hover:  #d83a55;
  --color-primary-active: #c02842;
  --color-primary-light:  rgba(232, 81, 106, 0.12);

  --color-accent:         #d4a5b0;
  --color-accent-light:   #e8c1c9;

  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.35);
  --shadow-md: 0 4px 12px oklch(0 0 0 / 0.45);
  --shadow-lg: 0 12px 32px oklch(0 0 0 / 0.55);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg:             #140608;
    --color-surface:        #1d0a0d;
    --color-surface-2:      #260e12;
    --color-surface-offset: #2f1216;
    --color-divider:        #3a1a1e;
    --color-border:         #4a2428;
    --color-text:           #f5e8ea;
    --color-text-muted:     #b8949a;
    --color-text-faint:     #7a5a5e;
    --color-text-inverse:   #140608;
    --color-primary:        #e8516a;
    --color-primary-hover:  #d83a55;
    --color-primary-active: #c02842;
    --color-primary-light:  rgba(232, 81, 106, 0.12);
    --color-accent:         #d4a5b0;
    --color-accent-light:   #e8c1c9;
    --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.35);
    --shadow-md: 0 4px 12px oklch(0 0 0 / 0.45);
    --shadow-lg: 0 12px 32px oklch(0 0 0 / 0.55);
  }
}

/* ============================
   GLOBAL COMPONENTS
   ============================ */

/* Container */
.container {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-4);
}
@media (min-width: 768px) {
  .container { padding-inline: var(--space-8); }
}

/* Section Spacing */
.section {
  padding-block: clamp(var(--space-12), 8vw, var(--space-24));
}

/* ============================
   HEADER / NAV
   ============================ */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: oklch(from var(--color-bg) l c h / 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-divider);
  transition: box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.header--scrolled {
  box-shadow: var(--shadow-sm);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-text);
}
.header__logo-text {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: var(--text-lg);
  letter-spacing: -0.02em;
}
.header__logo-text span {
  color: var(--color-primary);
}

.nav-desktop {
  display: none;
  align-items: center;
  gap: var(--space-6);
}
@media (min-width: 768px) {
  .nav-desktop { display: flex; }
}
.nav-desktop a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
  font-weight: 500;
  position: relative;
}
.nav-desktop a:hover,
.nav-desktop a:focus-visible {
  color: var(--color-primary);
}

/* Theme toggle */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
}
.theme-toggle:hover {
  background: var(--color-surface-2);
  color: var(--color-text);
}

/* Mobile nav toggle */
.nav-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  color: var(--color-text);
}
@media (min-width: 768px) {
  .nav-toggle { display: none; }
}
.nav-toggle svg {
  width: 24px;
  height: 24px;
}

/* Mobile nav overlay */
.mobile-nav {
  display: none;
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-bg);
  z-index: 40;
  padding: var(--space-8) var(--space-4);
}
.mobile-nav.active {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.mobile-nav a {
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-text);
  text-decoration: none;
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-divider);
}
.mobile-nav a:hover {
  color: var(--color-primary);
}

/* ============================
   HERO
   ============================ */
.hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(var(--space-16), 12vw, var(--space-32));
  background: linear-gradient(135deg, #4a0d18 0%, #7a1424 50%, #a91d2c 100%);
  color: #ffffff;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 40%, rgba(212, 165, 116, 0.18) 0%, transparent 70%),
    radial-gradient(ellipse 50% 80% at 20% 80%, rgba(74, 13, 24, 0.4) 0%, transparent 60%);
  pointer-events: none;
}
.hero__content {
  position: relative;
  z-index: 1;
  max-width: 720px;
}
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-4);
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.85);
  margin-bottom: var(--space-6);
}
.hero__badge::before {
  content: '';
  width: 6px;
  height: 6px;
  background: #f4c5a8;
  border-radius: 50%;
}
.hero h1 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  line-height: 1.1;
  margin-bottom: var(--space-6);
  letter-spacing: -0.01em;
}
.hero h1 em {
  font-style: italic;
  color: #f4c5a8;
}
.hero__sub {
  font-size: var(--text-base);
  line-height: 1.65;
  color: rgba(255,255,255,0.8);
  max-width: 560px;
  margin-bottom: var(--space-8);
}
.hero__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  background: #ffffff;
  color: var(--color-accent);
  font-weight: 600;
  font-size: var(--text-sm);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: transform var(--transition-interactive), box-shadow var(--transition-interactive);
}
.hero__cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}
.hero__cta svg {
  width: 16px;
  height: 16px;
  transition: transform var(--transition-interactive);
}
.hero__cta:hover svg {
  transform: translateX(2px);
}

/* ============================
   ABOUT
   ============================ */
.about__grid {
  display: grid;
  gap: var(--space-8);
  align-items: center;
}
@media (min-width: 768px) {
  .about__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
  }
}
.about__label {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}
.about__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  margin-bottom: var(--space-4);
  color: var(--color-text);
}
.about__text {
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}
.about__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-6);
}
.stat {
  text-align: center;
  padding: var(--space-4);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-divider);
}
.stat__number {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-primary);
  display: block;
}
.stat__label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}
.about__visual {
  position: relative;
  background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-surface-2) 100%);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 320px;
  overflow: hidden;
}
.about__visual svg {
  width: 100%;
  max-width: 280px;
  height: auto;
  opacity: 0.85;
}

/* ============================
   SERVICES
   ============================ */
.services {
  background: var(--color-surface-2);
}
.section-header {
  text-align: center;
  max-width: 640px;
  margin-inline: auto;
  margin-bottom: var(--space-12);
}
.section-header__label {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}
.section-header__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  margin-bottom: var(--space-4);
}
.section-header__desc {
  color: var(--color-text-muted);
}
.services__grid {
  display: grid;
  gap: var(--space-6);
}
@media (min-width: 640px) {
  .services__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .services__grid { grid-template-columns: repeat(3, 1fr); }
}
.service-card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: box-shadow var(--transition-interactive), transform var(--transition-interactive);
}
.service-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.service-card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--color-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
  color: var(--color-primary);
}
.service-card__icon svg {
  width: 24px;
  height: 24px;
}
.service-card__title {
  font-weight: 700;
  font-size: var(--text-base);
  margin-bottom: var(--space-2);
}
.service-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ============================
   CAPABILITIES
   ============================ */
.capabilities__grid {
  display: grid;
  gap: var(--space-6);
}
@media (min-width: 768px) {
  .capabilities__grid { grid-template-columns: repeat(2, 1fr); }
}
.capability-group {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}
.capability-group__title {
  font-weight: 700;
  font-size: var(--text-base);
  margin-bottom: var(--space-4);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.capability-group__title svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}
.capability-list {
  list-style: none;
  padding: 0;
}
.capability-list li {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--color-divider);
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
}
.capability-list li:last-child {
  border-bottom: none;
}
.capability-list li::before {
  content: '';
  display: block;
  width: 5px;
  height: 5px;
  background: var(--color-primary);
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 8px;
}

/* ============================
   APPROACH / PHASE 0
   ============================ */
.approach {
  background: var(--color-surface-2);
}
.approach__intro {
  text-align: center;
  max-width: 640px;
  margin-inline: auto;
  margin-bottom: var(--space-10);
}
.approach__steps {
  display: grid;
  gap: var(--space-6);
  max-width: 860px;
  margin-inline: auto;
}
.approach-step {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: var(--space-4);
  align-items: start;
}
.approach-step__number {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  flex-shrink: 0;
}
.approach-step__content {
  padding-top: var(--space-2);
}
.approach-step__title {
  font-weight: 700;
  margin-bottom: var(--space-2);
}
.approach-step__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* ============================
   REGULATORY
   ============================ */
.regulatory__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: center;
  margin-top: var(--space-8);
}
.reg-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
}
.reg-tag svg {
  width: 16px;
  height: 16px;
  color: var(--color-primary);
}

/* ============================
   CONTACT
   ============================ */
.contact {
  background: var(--color-surface-2);
}
.contact__grid {
  display: grid;
  gap: var(--space-8);
}
@media (min-width: 768px) {
  .contact__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
  }
}
.contact__info h3 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  margin-bottom: var(--space-4);
}
.contact__info p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
}
.contact-detail {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}
.contact-detail__icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: var(--color-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  flex-shrink: 0;
}
.contact-detail__icon svg {
  width: 18px;
  height: 18px;
}
.contact-detail__text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.contact-detail__text strong {
  display: block;
  color: var(--color-text);
  font-weight: 600;
  margin-bottom: var(--space-1);
}

/* Contact Form */
.contact-form {
  background: var(--color-surface);
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-divider);
}
.form-group {
  margin-bottom: var(--space-4);
}
.form-group label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  margin-bottom: var(--space-2);
  color: var(--color-text);
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  font-size: var(--text-sm);
  color: var(--color-text);
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}
.form-group textarea {
  resize: vertical;
  min-height: 120px;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  background: var(--color-primary);
  color: #ffffff;
  font-weight: 600;
  font-size: var(--text-sm);
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  width: 100%;
  justify-content: center;
  transition: background var(--transition-interactive), transform var(--transition-interactive);
}
.btn-primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
}
.btn-primary:active {
  background: var(--color-primary-active);
  transform: none;
}

/* ============================
   FOOTER
   ============================ */
.footer {
  padding: var(--space-8) 0;
  border-top: 1px solid var(--color-divider);
}
.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  text-align: center;
}
@media (min-width: 768px) {
  .footer__inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}
.footer__text {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}
.footer__text a {
  color: var(--color-text-muted);
  text-decoration: none;
}
.footer__text a:hover {
  color: var(--color-primary);
}

/* ============================
   SCROLL ANIMATIONS
   ============================ */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.visible {
  opacity: 1;
  transform: none;
}