*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; scroll-padding-top: 72px; }

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-text-body);
  background: #f4f6f9;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: var(--fw-bold);
  line-height: var(--leading-tight);
  color: var(--color-text-heading);
  letter-spacing: var(--tracking-tight);
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

/* ===== LAYOUT ===== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

.section { padding-block: var(--space-6); }   /* 48px */

/* ===== 12-COLUMN GRID ===== */
/* Usage: <div class="grid"> + <div class="col-6"> etc. */
.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: var(--space-3);   /* 24px — matches container gutter */
}

.col-1  { grid-column: span 1; }
.col-2  { grid-column: span 2; }
.col-3  { grid-column: span 3; }
.col-4  { grid-column: span 4; }
.col-5  { grid-column: span 5; }
.col-6  { grid-column: span 6; }
.col-7  { grid-column: span 7; }
.col-8  { grid-column: span 8; }
.col-9  { grid-column: span 9; }
.col-10 { grid-column: span 10; }
.col-11 { grid-column: span 11; }
.col-12 { grid-column: span 12; }

/* ===== SECTION LABELS ===== */
.section__label {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: var(--fw-bold);
  letter-spacing: var(--tracking-tight);
  line-height: 1;
  background: linear-gradient(to bottom, #3b82f6 0%, #bfdbfe 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-4);
  display: block;
}

.section__title {
  font-family: var(--font-heading);
  font-size: var(--text-4xl);
  font-weight: var(--fw-extrabold);
  color: var(--color-text-heading);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  margin-bottom: var(--space-5);
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 8px 24px;
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--fw-semibold);
  cursor: pointer;
  border: none;
  transition: opacity var(--transition), transform var(--transition), box-shadow var(--transition);
  background: var(--gradient-btn);
  color: var(--color-text-inverse);
  text-decoration: none;
  white-space: nowrap;
  letter-spacing: 0.01em;
}
.btn:hover { opacity: 0.9; transform: translateY(-1px); box-shadow: 0 4px 16px rgba(59,130,246,0.3); }
.btn:active { transform: translateY(0); }

.btn--sm { padding: 8px 16px; font-size: var(--text-xs); }
.btn--lg { padding: 16px 32px; font-size: var(--text-base); }

.btn--ghost {
  background: transparent;
  color: var(--color-text-heading);
  border: 1.5px solid var(--color-border);
}
.btn--ghost:hover { border-color: var(--color-accent-2); color: var(--color-accent-2); box-shadow: none; }

.btn--soft {
  background: rgba(59, 130, 246, 0.08);
  color: var(--color-accent-1);
  border: 1.5px solid rgba(59, 130, 246, 0.15);
}
.btn--soft:hover { background: rgba(59, 130, 246, 0.14); border-color: rgba(59, 130, 246, 0.3); color: var(--color-accent-1); box-shadow: none; }

.btn--outline {
  background: transparent;
  color: var(--color-accent-1);
  border: 1.5px solid var(--color-accent-1);
}
.btn--outline:hover { background: var(--color-accent-1); color: #fff; box-shadow: none; }

/* ===== PILLS ===== */
.pill {
  display: inline-block;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: var(--fw-semibold);
  background: var(--color-pill-bg);
  color: var(--color-pill-text);
  letter-spacing: 0.02em;
}
.pill--dark {
  background: rgba(255,255,255,0.18);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.25);
}
.pill--outline {
  background: transparent;
  color: var(--color-accent-1);
  border: 1px solid var(--color-accent-1);
}

/* ===== LINK ARROW ===== */
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: var(--text-sm);
  font-weight: var(--fw-semibold);
  color: var(--color-accent-2);
  transition: gap var(--transition);
  font-family: var(--font-body);
}
.link-arrow:hover { gap: var(--space-1); }
.link-arrow--back { color: var(--color-text-muted); }
.link-arrow--back:hover { color: var(--color-text-heading); }

/* ===== TEXT GRADIENT ===== */
.text-gradient {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===== FORM ===== */
.form-group { display: flex; flex-direction: column; gap: var(--space-1); }
.form-group label {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--fw-medium);
  color: var(--color-text-heading);
}

input[type="email"],
textarea {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  padding: 8px 16px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  color: var(--color-text-heading);
  transition: border-color var(--transition), box-shadow var(--transition);
  resize: vertical;
  outline: none;
  width: 100%;
}
input[type="email"]:focus,
textarea:focus {
  border-color: var(--color-accent-2);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.1);
}

.form-feedback {
  font-size: var(--text-sm);
  min-height: 16px;
  margin-top: var(--space-1);
}
.form-feedback.success { color: #16a34a; }
.form-feedback.error   { color: #dc2626; }

/* ===== TEXT BLUE ===== */
.text-blue { color: var(--color-accent-2); }

@media (hover: none) {
  .btn:hover { opacity: 1; transform: none; box-shadow: none; }
  .link-arrow:hover { gap: 4px; }
}

@media (max-width: 768px) {
  .section { padding-block: var(--space-6); }
  .section__title { font-size: var(--text-3xl); }
  .container { padding-inline: var(--space-2); }  /* 16px */
  .grid {
    grid-template-columns: repeat(4, 1fr);
    column-gap: var(--space-2);  /* 16px */
  }
  .btn { height: 48px; }
}