/* ============================================
   ARVEO DIGITAL — Global Styles
   Dark theme: #0a0a0a bg, #5B9BD5 accent, Inter
   ============================================ */

/* --- Reset & Base --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
  font-size: 16px;
}

body {
  min-height: 100dvh;
  line-height: 1.6;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: #e0e0e0;
  background-color: #0a0a0a;
}

img, picture, video, canvas, svg { display: block; max-width: 100%; height: auto; }
ul[role="list"], ol[role="list"] { list-style: none; }
input, button, textarea, select { font: inherit; color: inherit; }

h1, h2, h3, h4, h5, h6 {
  text-wrap: balance;
  line-height: 1.15;
  color: #ffffff;
}
p, li, figcaption {
  text-wrap: pretty;
  max-width: 72ch;
}

::selection {
  background: rgba(91, 155, 213, 0.3);
  color: #fff;
}

:focus-visible {
  outline: 2px solid #5B9BD5;
  outline-offset: 3px;
  border-radius: 4px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

button { cursor: pointer; background: none; border: none; }
a { color: #5B9BD5; text-decoration: none; }
a:hover { text-decoration: underline; }

/* --- Design Tokens --- */
:root {
  /* Type Scale */
  --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);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 5rem);

  /* Spacing */
  --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;

  /* Colors */
  --bg: #0a0a0a;
  --surface: #111111;
  --surface-2: #181818;
  --surface-3: #1e1e1e;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);
  --accent: #5B9BD5;
  --accent-dim: rgba(91, 155, 213, 0.15);
  --accent-hover: #6B7FD4;
  --text-primary: #ffffff;
  --text-secondary: #b0b0b0;
  --text-muted: #707070;
  --error: #ff4d6a;
  --warning: #ffb020;

  /* Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

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

  /* Content widths */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;
}

/* --- Utility: Containers --- */
.container {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-4);
}
.container--narrow {
  max-width: var(--content-narrow);
  margin-inline: auto;
  padding-inline: var(--space-4);
}
.container--default {
  max-width: var(--content-default);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

/* --- Nav --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
.nav__inner {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding: var(--space-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 700;
  font-size: var(--text-lg);
  color: #fff;
  text-decoration: none;
}
.nav__logo:hover { text-decoration: none; }
.nav__logo svg { flex-shrink: 0; }
.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}
.nav__links a {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition);
}
.nav__links a:hover {
  color: #fff;
  text-decoration: none;
}
@media (max-width: 640px) {
  .nav__links .nav__link--desktop { display: none; }
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition);
  white-space: nowrap;
  min-height: 44px;
}
.btn:hover { text-decoration: none; }

.btn--primary {
  background: linear-gradient(135deg, #5B9BD5, #6B7FD4);
  color: #ffffff;
}
.btn--primary:hover {
  background: linear-gradient(135deg, #6BA8E0, #7B8FE4);
  transform: translateY(-1px);
  box-shadow: 0 4px 24px rgba(91, 155, 213, 0.3);
}
.btn--primary:active { transform: translateY(0); }

.btn--secondary {
  background: transparent;
  color: #fff;
  border: 1px solid var(--border-strong);
}
.btn--secondary:hover {
  border-color: rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.04);
}

.btn--large {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
  border-radius: var(--radius-lg);
}

.btn--full {
  width: 100%;
}

/* --- Sections --- */
.section {
  padding: clamp(var(--space-12), 8vw, var(--space-24)) 0;
}
.section--tight {
  padding: clamp(var(--space-8), 5vw, var(--space-16)) 0;
}

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

.section__title {
  font-size: var(--text-2xl);
  font-weight: 800;
  color: #fff;
  margin-bottom: var(--space-4);
}

.section__subtitle {
  font-size: var(--text-base);
  color: var(--text-secondary);
  max-width: 56ch;
  line-height: 1.7;
}

/* --- Cards --- */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}
.card--highlight {
  border-color: rgba(91, 155, 213, 0.25);
  background: linear-gradient(180deg, rgba(91, 155, 213, 0.06) 0%, var(--surface) 100%);
}

/* --- Forms --- */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.form-group label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
}
.form-group input,
.form-group select,
.form-group textarea {
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  color: #fff;
  transition: border-color var(--transition), box-shadow var(--transition);
  min-height: 44px;
}
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}
.form-group textarea {
  resize: vertical;
  min-height: 100px;
}
.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%23707070' viewBox='0 0 16 16'%3E%3Cpath d='M4.5 6l3.5 4 3.5-4z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 2.5rem;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}
@media (max-width: 640px) {
  .form-row { grid-template-columns: 1fr; }
}

/* --- Footer --- */
.footer {
  border-top: 1px solid var(--border);
  padding: var(--space-8) 0;
}
.footer__inner {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}
.footer__copy {
  font-size: var(--text-xs);
  color: var(--text-muted);
}
.footer__links {
  display: flex;
  gap: var(--space-6);
}
.footer__links a {
  font-size: var(--text-xs);
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition);
}
.footer__links a:hover { color: var(--text-secondary); }

/* --- Page top spacing (for fixed nav) --- */
.page-top {
  padding-top: 5rem;
}

/* --- Badge --- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-xs);
  font-weight: 600;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  background: var(--accent-dim);
  color: var(--accent);
}

/* --- Divider --- */
.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: var(--space-6) 0;
}

/* --- Scroll animations --- */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Skip to content --- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}
.skip-link {
  position: fixed;
  top: -100px;
  left: var(--space-4);
  z-index: 999;
  background: linear-gradient(135deg, #5B9BD5, #6B7FD4);
  color: #ffffff;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  font-weight: 600;
  transition: top 0.2s;
}
.skip-link:focus {
  top: var(--space-4);
}

/* --- Stepper for signup / onboarding --- */
.stepper {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
}
.stepper__step {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--text-muted);
  font-weight: 500;
}
.stepper__step.active {
  color: #fff;
}
.stepper__step.completed {
  color: var(--accent);
}
.stepper__num {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xs);
  font-weight: 700;
  border: 2px solid var(--border-strong);
  flex-shrink: 0;
}
.stepper__step.active .stepper__num {
  border-color: var(--accent);
  background: var(--accent);
  color: #0a0a0a;
}
.stepper__step.completed .stepper__num {
  border-color: var(--accent);
  color: var(--accent);
}
.stepper__line {
  width: 32px;
  height: 2px;
  background: var(--border-strong);
  flex-shrink: 0;
}
.stepper__line.completed {
  background: var(--accent);
}

/* --- Checkbox / Radio custom --- */
.checkbox-group {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: var(--space-2);
}
.checkbox-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--transition);
  font-size: var(--text-sm);
  color: var(--text-secondary);
}
.checkbox-item:hover {
  background: var(--surface-2);
}
.checkbox-item input[type="checkbox"] {
  accent-color: var(--accent);
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* --- Hours grid --- */
.hours-grid {
  display: grid;
  gap: var(--space-2);
}
.hours-row {
  display: grid;
  grid-template-columns: 80px 1fr auto;
  gap: var(--space-3);
  align-items: center;
  padding: var(--space-2) 0;
  font-size: var(--text-sm);
}
.hours-row__day {
  font-weight: 500;
  color: var(--text-secondary);
}
.hours-row__times {
  display: flex;
  gap: var(--space-2);
  align-items: center;
}
.hours-row__times input {
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  padding: var(--space-2);
  font-size: var(--text-sm);
  color: #fff;
  width: 110px;
  min-height: 36px;
}
.hours-row__times input:focus {
  outline: none;
  border-color: var(--accent);
}
.hours-row__times span { color: var(--text-muted); }
.hours-toggle {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  color: var(--text-muted);
}
.hours-toggle input[type="checkbox"] {
  accent-color: var(--accent);
}

@media (max-width: 640px) {
  .hours-row {
    grid-template-columns: 1fr;
    gap: var(--space-1);
    padding: var(--space-3) 0;
    border-bottom: 1px solid var(--border);
  }
}

/* --- Manage page cards --- */
.portal-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}
.portal-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
}
.portal-card__title {
  font-size: var(--text-lg);
  font-weight: 600;
  color: #fff;
}
.portal-card__placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-8) var(--space-4);
  color: var(--text-muted);
  gap: var(--space-3);
}
.portal-card__placeholder svg {
  opacity: 0.4;
}

/* --- Misc --- */
.text-accent { color: var(--accent); }
.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.text-center { text-align: center; }
.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }