/* =====================================================
   Design tokens
   ===================================================== */
:root {
  /* Backgrounds */
  --color-page:             #fdfcfc;
  --color-surface:          #f9f7ff;
  --color-icon-bg:          #f2eeff;
  --color-footer-bg:        #000000;

  /* Violet scale */
  --color-violet:           #6b4ae0;
  --color-violet-hover:     #5a3bc7;
  --color-violet-alt:       #7c57fc;
  --color-violet-light:     #9d81fd;
  --color-violet-disabled:  #cbbcfe;

  /* Accents */
  --color-lime:             #cbfd55;

  /* Text */
  --color-ink:              #191132;
  --color-muted:            #717179;

  /* Borders */
  --color-rule:             #f1f1f1;

  /* Shadows */
  --shadow-card:            10px 10px 0px -2px rgba(0, 0, 0, 0.05);
}

/* =====================================================
   Base
   ===================================================== */
body {
  font-family: 'Archivo', sans-serif;
  background-color: var(--color-page);
  color: var(--color-ink);
}

/* Semi-expanded width — used for UI text (nav, buttons, labels, chips) */
.font-ui {
  font-stretch: semi-expanded;
}

.material-symbols-outlined {
  font-family: 'Material Symbols Outlined';
  font-weight: normal;
  font-style: normal;
  font-size: 20px;
  line-height: 1;
  letter-spacing: normal;
  text-transform: none;
  display: inline-block;
  white-space: nowrap;
  direction: ltr;
  -webkit-font-feature-settings: 'liga';
  font-feature-settings: 'liga';
  -webkit-font-smoothing: antialiased;
}

/* =====================================================
   Typography
   ===================================================== */
.letter-tight {
  letter-spacing: -0.02em;
}

.hero-heading {
  font-stretch: semi-expanded;
  font-size: clamp(36px, 5vw, 52px);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.section-heading {
  font-stretch: semi-expanded;
  font-size: clamp(28px, 4vw, 38px);
  font-weight: 600;
  line-height: 1.21;
  letter-spacing: -0.02em;
}

.card-heading {
  font-stretch: semi-expanded;
  font-size: 24px;
  font-weight: 600;
  line-height: 1.33;
  letter-spacing: -0.02em;
}

.evidence-heading {
  font-stretch: semi-expanded;
  font-size: 24px;
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

/* =====================================================
   Buttons
   ===================================================== */
.btn {
  font-stretch: semi-expanded;
  font-size: 14px;
  font-weight: 500;
  line-height: normal;
  padding: 12px 24px;
  border-radius: 4px;
  display: inline-block;
  border: 1px solid transparent;
  transition: opacity 0.15s;
}
.btn:hover { opacity: 0.85; }

.btn-sm {
  padding: 8px 12px;
}

.btn-primary {
  background-color: var(--color-violet);
  border-color: var(--color-violet);
  color: #fff;
}

.btn-accent {
  background-color: var(--color-lime);
  border-color: var(--color-lime);
  color: var(--color-ink);
}

/* =====================================================
   Components
   ===================================================== */

/* Chip / badge */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-stretch: semi-expanded;
  font-size: 14px;
  font-weight: 500;
  border-radius: 100px;
  padding: 4px 10px;
  border: 1px solid;
}
.chip-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* Benefit card */
.benefit-card {
  background: #fff;
  border-radius: 24px;
  padding: 16px;
  box-shadow: var(--shadow-card);
}

.aspect-evidence {
  aspect-ratio: 272/450;
}

.evidence-overlay {
  background: linear-gradient(180deg, transparent 42%, var(--color-footer-bg) 100%);
}

.aspect-team {
  aspect-ratio: 272/372;
}

.bg-team-gradient {
  background: linear-gradient(224deg, var(--color-violet-light) 0%, var(--color-violet) 88%);
}

.icon-lg {
  font-size: 36px;
}

/* Form fields */
.field-input {
  font-family: 'Archivo', sans-serif;
  font-stretch: semi-expanded;
  font-size: 14px;
  font-weight: 300;
  color: var(--color-ink);
  background: #fff;
  border: 1px solid #d9d9d9;
  border-radius: 4px;
  padding: 10px 12px;
  width: 100%;
  transition: border-color 0.15s, box-shadow 0.15s;
  appearance: none;
}
.field-input::placeholder {
  color: var(--color-muted);
  font-weight: 300;
}
.field-input:focus {
  outline: none;
  border-color: var(--color-violet);
  box-shadow: 0 0 0 3px rgba(107, 74, 224, 0.12);
}
.field-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none'%3E%3Cpath d='M7 10l5 5 5-5' stroke='%23717179' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 36px;
  cursor: pointer;
}

/* FAQ */
.faq-answer { display: none; }
.faq-answer.open { display: block; }

/* Floating overlay pill (on feature images) */
.overlay-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: #fff;
  border-radius: 4px;
  padding: 8px 16px;
  white-space: nowrap;
  box-shadow: var(--shadow-card);
  font-stretch: semi-expanded;
  font-size: 14px;
  color: var(--color-violet-alt);
}

/* Floating stat card (on feature images) */
.stat-card {
  box-shadow: var(--shadow-card);
}

/* Floating element scroll animations */
.float-anim {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.9s ease, transform 0.9s ease;
}
.float-anim.in-view {
  opacity: 1;
  transform: translateY(0);
}

.btn:focus-visible,
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-violet-alt);
  outline-offset: 2px;
}

/* Mobile nav */
#mobile-menu { display: none; }
#mobile-menu.open { display: flex; }