/* style.css — design tokens + component styles for Summit Project Group */

: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, 4.75rem);
  --text-hero: clamp(2.75rem, 0.8rem + 6vw, 6.5rem);

  /* 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;

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

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

  /* ===== PARENT SHELL — neutral, no accent of its own ===== */
  --color-bg: #f6f4ef;
  --color-surface: #fbfaf7;
  --color-surface-2: #efece4;
  --color-border: #ddd8cc;
  --color-text: #23211c;
  --color-text-muted: #6b675e;
  --color-text-faint: #a19c8f;
  --color-text-inverse: #f6f4ef;

  --shadow-sm: 0 1px 2px oklch(0.2 0.01 80 / 0.06);
  --shadow-md: 0 4px 16px oklch(0.2 0.01 80 / 0.09);
  --shadow-lg: 0 16px 40px oklch(0.2 0.01 80 / 0.14);

  --font-display: 'Source Serif 4', Georgia, serif;
  --font-body: 'General Sans', 'Helvetica Neue', Arial, sans-serif;

  /* ===== SUMMITTOOLS BRAND BLOCK — deep forest green ===== */
  --st-bg: #17301f;
  --st-bg-2: #1e3d28;
  --st-surface: #fbfaf5;
  --st-surface-tint: #234a2f;
  --st-border: #35573f;
  --st-text: #f2f0e6;
  --st-text-muted: #b9cabb;
  --st-accent: #8fc9a0;
  --st-accent-strong: #eaf3ea;
  --st-font-display: 'Cabinet Grotesk', 'General Sans', sans-serif;

  /* ===== SUMMITPG BRAND BLOCK — navy + refreshed amber ===== */
  --pg-bg: #0b1a2e;
  --pg-bg-2: #11233b;
  --pg-surface: #fbfaf7;
  --pg-surface-tint: #172c46;
  --pg-border: #27405e;
  --pg-text: #f2f3f5;
  --pg-text-muted: #aebdd0;
  --pg-accent: #c1710a;
  --pg-accent-cta: #8f5408;
  --pg-accent-strong: #e2924a;
  --pg-font-display: 'General Sans', 'Helvetica Neue', sans-serif;
}

/* ============ GLOBAL / SHELL ============ */

body {
  overflow-x: hidden;
}

.container {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-5), 5vw, var(--space-12));
}

.container--narrow {
  max-width: var(--content-default);
}

section {
  position: relative;
}

.eyebrow {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

/* ---- Header / Nav ---- */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in oklab, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-4);
  gap: var(--space-4);
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text);
  text-decoration: none;
}

.nav__brand svg {
  width: 30px;
  height: 30px;
  color: var(--color-text);
  flex-shrink: 0;
}

.nav__wordmark {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-base);
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.nav__wordmark small {
  display: block;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.55em;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: clamp(var(--space-4), 3vw, var(--space-8));
  list-style: none;
}

.nav__links a {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
  text-decoration: none;
  padding: var(--space-2) 0;
  border-bottom: 1px solid transparent;
}

.nav__links a:hover,
.nav__links a:focus-visible {
  border-bottom-color: var(--color-text);
}

.nav__contact {
  font-weight: 600;
  color: var(--color-text) !important;
}

.nav__toggle {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  color: var(--color-text);
}

.nav__toggle svg {
  width: 22px;
  height: 22px;
}

/* ---- Hero ---- */
.hero {
  padding-block: clamp(var(--space-20), 14vw, var(--space-32)) clamp(var(--space-16), 10vw, var(--space-24));
  text-align: center;
}

.hero__inner {
  max-width: 880px;
  margin-inline: auto;
}

.hero__mark {
  width: 56px;
  height: 56px;
  margin: 0 auto var(--space-8);
  color: var(--color-text);
}

.hero h1 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-hero);
  letter-spacing: -0.01em;
  color: var(--color-text);
  margin-bottom: var(--space-6);
}

.hero h1 em {
  font-style: italic;
  color: var(--color-text-muted);
}

.hero__sub {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 640px;
  margin-inline: auto;
  line-height: 1.55;
}

.hero__badges {
  display: flex;
  justify-content: center;
  gap: var(--space-3);
  margin-top: var(--space-10);
  flex-wrap: wrap;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: var(--space-2) var(--space-5);
  background: var(--color-surface);
}

.hero__badge .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}
.hero__badge .dot--st { background: #2f6b41; }
.hero__badge .dot--pg { background: var(--pg-accent); }
.hero__badge .dot--auto { background: var(--pg-accent-strong); }

/* ---- Section title (shell, connective sections) ---- */
.section-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-xl);
  color: var(--color-text);
  margin-bottom: var(--space-5);
}

/* ---- Connective / "Why two products" section ---- */
.connect {
  padding-block: clamp(var(--space-16), 10vw, var(--space-24));
  border-top: 1px solid var(--color-border);
}

.connect__grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: clamp(var(--space-8), 6vw, var(--space-16));
  align-items: start;
}

.connect p {
  font-size: var(--text-lg);
  color: var(--color-text);
  line-height: 1.55;
}

.connect p + p {
  margin-top: var(--space-4);
}

.connect__meta {
  color: var(--color-text-muted);
}

/* ---- Footer ---- */
.footer {
  border-top: 1px solid var(--color-border);
  padding-block: clamp(var(--space-12), 8vw, var(--space-20));
}

.footer__top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-10);
  flex-wrap: wrap;
  padding-bottom: var(--space-10);
  border-bottom: 1px solid var(--color-border);
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-text);
}

.footer__brand svg {
  width: 28px;
  height: 28px;
  color: var(--color-text);
}

.footer__cols {
  display: flex;
  gap: clamp(var(--space-10), 8vw, var(--space-20));
  flex-wrap: wrap;
}

.footer__col h3 {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin-bottom: var(--space-3);
}

.footer__col a {
  display: block;
  font-size: var(--text-sm);
  color: var(--color-text);
  text-decoration: none;
  padding-block: var(--space-1);
}

.footer__col a:hover {
  color: var(--color-text-muted);
  text-decoration: underline;
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  padding-top: var(--space-8);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.footer__bottom a {
  color: var(--color-text-muted);
  text-decoration: underline;
}

/* ============ SHARED BRAND-BLOCK PRIMITIVES ============ */

.brand-block {
  padding-block: clamp(var(--space-20), 12vw, var(--space-32));
}

.brand-block__head {
  max-width: 720px;
  margin-bottom: clamp(var(--space-10), 6vw, var(--space-16));
}

.brand-block__kicker {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--space-5);
}

.brand-block__title {
  font-weight: 600;
  font-size: var(--text-2xl);
  letter-spacing: -0.01em;
  margin-bottom: var(--space-5);
}

.brand-block__desc {
  font-size: var(--text-lg);
  line-height: 1.6;
  max-width: 620px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-5);
}

.feature-card {
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  border: 1px solid;
}

.feature-card__num {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-4);
  opacity: 0.7;
}

.feature-card h3 {
  font-size: var(--text-base);
  font-weight: 600;
  margin-bottom: var(--space-2);
}

.feature-card p {
  font-size: var(--text-sm);
  line-height: 1.55;
}

.feature-group {
  margin-top: clamp(var(--space-10), 6vw, var(--space-16));
}

.feature-group__label {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: var(--space-5);
  opacity: 0.75;
}

.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: var(--space-4) var(--space-6);
  border-radius: var(--radius-md);
  text-decoration: none;
  border: 1px solid transparent;
  margin-top: clamp(var(--space-8), 5vw, var(--space-12));
}

.cta-btn svg {
  width: 16px;
  height: 16px;
  transition: transform var(--transition-interactive);
}

.cta-btn:hover svg,
.cta-btn:focus-visible svg {
  transform: translateX(3px);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-4);
  margin-top: clamp(var(--space-8), 5vw, var(--space-12));
}

.cta-row .cta-btn {
  margin-top: 0;
}

.cta-btn--ghost {
  background: transparent !important;
  border-width: 1px;
  border-style: solid;
}

.feature-card__tag {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 2px 7px;
  border-radius: 999px;
  margin-left: var(--space-2);
  vertical-align: middle;
}

/* ============ SUMMITTOOLS SECTION ============ */

#summittools {
  background: linear-gradient(160deg, var(--st-bg) 0%, var(--st-bg-2) 100%);
  color: var(--st-text);
}

#summittools .brand-block__kicker { color: var(--st-accent); }
#summittools .brand-block__title { font-family: var(--st-font-display); color: var(--st-text); }
#summittools .brand-block__desc { color: var(--st-text-muted); }
#summittools .feature-group__label { color: var(--st-text-muted); }

#summittools .feature-card {
  background: color-mix(in oklab, var(--st-bg-2) 60%, black 5%);
  border-color: var(--st-border);
}
#summittools .feature-card__num { color: var(--st-accent); }
#summittools .feature-card h3 { color: var(--st-text); }
#summittools .feature-card p { color: var(--st-text-muted); }

.feature-card--pro {
  background: color-mix(in oklab, var(--st-surface-tint) 75%, black 8%) !important;
  border-color: color-mix(in oklab, var(--st-accent) 40%, var(--st-border)) !important;
}

#summittools .cta-btn {
  background: var(--st-accent-strong);
  color: #15281c;
}
#summittools .cta-btn:hover,
#summittools .cta-btn:focus-visible {
  background: #ffffff;
}

.st-more {
  font-size: var(--text-sm);
  color: var(--st-text-muted);
  margin-top: var(--space-4);
  font-style: italic;
}

/* SummitTools mini mockup card (workflow-style) */
.st-mock {
  margin-top: clamp(var(--space-10), 6vw, var(--space-16));
  background: var(--st-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  color: #17301f;
  box-shadow: var(--shadow-lg);
  max-width: 460px;
}

.st-mock__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-5);
}

.st-mock__brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #17301f;
}

.st-mock__brand svg { width: 14px; height: 14px; }

.st-mock__tag {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #2f6b41;
}

.st-mock__label {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #436049;
  margin-bottom: var(--space-1);
}

.st-mock__row {
  background: #eef3ec;
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-5);
  margin-top: var(--space-3);
}

.st-mock__value {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: #17301f;
}

.st-mock__meta {
  font-size: var(--text-xs);
  color: #436049;
  margin-top: var(--space-1);
}

/* ============ SUMMITPG SECTION ============ */

#summitpg {
  background: linear-gradient(160deg, var(--pg-bg) 0%, var(--pg-bg-2) 100%);
  color: var(--pg-text);
}

#summitpg .brand-block__kicker { color: var(--pg-accent-strong); }
#summitpg .brand-block__title { font-family: var(--pg-font-display); color: var(--pg-text); }
#summitpg .brand-block__desc { color: var(--pg-text-muted); }
#summitpg .feature-group__label { color: var(--pg-text-muted); }

#summitpg .feature-card {
  background: color-mix(in oklab, var(--pg-bg-2) 55%, black 10%);
  border-color: var(--pg-border);
}
#summitpg .feature-card__num { color: var(--pg-accent-strong); }
#summitpg .feature-card h3 { color: var(--pg-text); }
#summitpg .feature-card p { color: var(--pg-text-muted); }

#summitpg .cta-btn {
  background: var(--pg-accent-cta);
  color: #fff;
}
#summitpg .cta-btn:hover,
#summitpg .cta-btn:focus-visible {
  background: #713f06;
}

#summitpg .cta-btn--ghost {
  border-color: var(--pg-accent-strong);
  color: var(--pg-accent-strong);
}
#summitpg .cta-btn--ghost:hover,
#summitpg .cta-btn--ghost:focus-visible {
  background: color-mix(in oklab, var(--pg-accent-strong) 12%, transparent) !important;
}

#summitpg .feature-card--automation {
  background: color-mix(in oklab, var(--pg-surface-tint) 75%, black 6%);
  border-color: color-mix(in oklab, var(--pg-accent-strong) 45%, var(--pg-border));
}
#summitpg .feature-card__tag {
  background: color-mix(in oklab, var(--pg-accent-strong) 22%, transparent);
  color: var(--pg-accent-strong);
}

/* SummitPG bid comparison mockup table */
.pg-mock {
  margin-top: clamp(var(--space-10), 6vw, var(--space-16));
  background: var(--pg-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-lg);
  color: #14203a;
  overflow-x: auto;
}

.pg-mock__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
  flex-wrap: wrap;
}

.pg-mock__title {
  font-size: var(--text-sm);
  font-weight: 600;
  color: #14203a;
}

.pg-mock__badge {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #2f6b41;
  background: #e3efe4;
  border-radius: var(--radius-full);
  padding: var(--space-1) var(--space-3);
}

.pg-mock table {
  width: 100%;
  min-width: 460px;
  font-size: var(--text-sm);
}

.pg-mock th {
  text-align: right;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #6b7690;
  padding-bottom: var(--space-3);
  border-bottom: 1px solid #e3e2dc;
}

.pg-mock th:first-child { text-align: left; }

.pg-mock td {
  padding: var(--space-3) 0;
  border-bottom: 1px solid #eeede7;
  text-align: right;
  font-weight: 500;
  color: #14203a;
}

.pg-mock td:first-child {
  text-align: left;
  color: #14203a;
  font-weight: 600;
}

.pg-mock td.flag {
  color: var(--pg-accent-cta);
  font-weight: 700;
}

.pg-mock__note {
  margin-top: var(--space-5);
  background: #fbf1e3;
  border-left: 3px solid var(--pg-accent);
  border-radius: var(--radius-sm);
  padding: var(--space-4);
  font-size: var(--text-sm);
}

.pg-mock__note strong {
  display: block;
  color: #7a4408;
  margin-bottom: var(--space-1);
}

.pg-mock__note span {
  color: #5c5648;
}

/* ============ RESPONSIVE ============ */

@media (max-width: 860px) {
  .nav__links {
    position: fixed;
    inset: 64px var(--space-4) auto var(--space-4);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-4);
    gap: var(--space-1);
    box-shadow: var(--shadow-lg);
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    transition:
      opacity var(--transition-interactive),
      transform var(--transition-interactive),
      visibility var(--transition-interactive);
  }

  .nav__links a {
    width: 100%;
    padding: var(--space-3) var(--space-2);
  }

  .nav__links.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav__toggle {
    display: flex;
  }

  .connect__grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .footer__top {
    flex-direction: column;
    gap: var(--space-8);
  }
}

@media (max-width: 600px) {
  .hero__badges {
    flex-direction: column;
    align-items: center;
  }
}