/*
  Ziviro Design System
  Research-driven palette: Bricolage Grotesque display + Instrument Sans body,
  warm terracotta accent, light warm background.
  Every value derived from research. Not a framework default.
*/

/* ── Custom Properties ─────────────────────────────────────────── */
:root {
  /* Warm light backgrounds */
  --bg:             #FAFAF7;
  --surface:        #F4F3EF;
  --surface-raised: #FFFFFF;
  --border:         #E2E0DA;
  --border-subtle:  #EDECE8;

  /* Terracotta accent — warm, grounded, trades-appropriate */
  --accent:         #C9582E;
  --accent-dim:     rgba(201, 88, 46, 0.07);
  --accent-border:  rgba(201, 88, 46, 0.20);
  --accent-hover:   #B44E28;
  --accent-text:    #B34D26;

  /* Sand — warm secondary */
  --sand:           #8A7E72;
  --sand-dim:       rgba(138, 126, 114, 0.06);
  --sand-border:    rgba(138, 126, 114, 0.15);

  /* Text — warm dark, not cool gray */
  --text-1:         #1A1816;
  --text-2:         #4A4541;
  --text-3:         #84807A;
  --text-4:         #B0ACA6;
  --text-muted:     #84807A;

  /* Functional */
  --success:        #3D8B4D;
  --danger:         #C44A3A;

  /* Typography */
  --font-display:   'Bricolage Grotesque', sans-serif;
  --font-body:      'Instrument Sans', sans-serif;

  /* Radius — intentional, not rounded-everything */
  --r-xs:   3px;
  --r-sm:   5px;
  --r-md:   8px;
  --r-lg:   12px;
  --r-xl:   18px;
  --r-pill: 9999px;

  /* Shadows — warm-toned, light theme */
  --shadow-sm:  0 1px 2px rgba(28, 24, 20, 0.05);
  --shadow-md:  0 4px 12px rgba(28, 24, 20, 0.08);
  --shadow-lg:  0 12px 36px rgba(28, 24, 20, 0.12);

  /* Layout */
  --max-w:         1200px;
  --max-w-narrow:  960px;
  --max-w-tight:   720px;
  --pad-x:         32px;
  --section-y:     120px;
  --section-y-sm:  72px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text-1);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection {
  background: rgba(201, 88, 46, 0.18);
  color: #1A1816;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: var(--font-body);
  cursor: pointer;
}

img {
  max-width: 100%;
  display: block;
}

/* ── Containers ─────────────────────────────────────────────────── */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding-left: var(--pad-x);
  padding-right: var(--pad-x);
}

.container--narrow {
  max-width: var(--max-w-narrow);
  margin: 0 auto;
  padding-left: var(--pad-x);
  padding-right: var(--pad-x);
}

.container--tight {
  max-width: var(--max-w-tight);
  margin: 0 auto;
  padding-left: var(--pad-x);
  padding-right: var(--pad-x);
}

/* ── Typography Scale ───────────────────────────────────────────── */
.t-hero {
  font-family: var(--font-display);
  font-size: clamp(42px, 6vw, 78px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.02;
  color: var(--text-1);
}

.t-section {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.08;
  color: var(--text-1);
}

.t-card-title {
  font-family: var(--font-display);
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.2;
  color: var(--text-1);
}

.t-body-lg {
  font-size: clamp(16px, 1.9vw, 19px);
  font-weight: 400;
  line-height: 1.65;
  color: var(--text-2);
}

.t-body {
  font-size: 15px;
  font-weight: 400;
  line-height: 1.62;
  color: var(--text-2);
}

.t-small {
  font-size: 13px;
  line-height: 1.5;
  color: var(--text-2);
}

.t-micro {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--text-3);
}

/* ── Section Label (eyebrow) ────────────────────────────────────── */
.section-label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}

/* ── Dividers ───────────────────────────────────────────────────── */
hr {
  border: none;
  border-top: 1px solid var(--border);
}

/* ── Navigation ─────────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  transition: background 300ms ease, border-color 300ms ease;
  border-bottom: 1px solid transparent;
}

.nav.scrolled {
  background: rgba(250, 250, 247, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom-color: var(--border-subtle);
}

.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 16px var(--pad-x);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--text-1);
  letter-spacing: -0.03em;
  text-decoration: none;
  flex-shrink: 0;
}

.nav-logo span {
  color: var(--accent);
}

.nav-links {
  display: flex;
  gap: 32px;
  align-items: center;
}

.nav-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-2);
  transition: color 180ms;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-1);
}

.nav-cta {
  font-size: 13px;
  font-weight: 600;
  padding: 9px 20px;
  border-radius: var(--r-md);
  border: 1px solid var(--accent-border);
  background: var(--accent-dim);
  color: var(--accent-text);
  transition: all 180ms;
  cursor: pointer;
  white-space: nowrap;
}

.nav-cta:hover {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--text-1);
}

.nav-mobile-toggle {
  display: none;
  background: none;
  border: none;
  padding: 4px;
  cursor: pointer;
  color: var(--text-2);
}

.nav-mobile-menu {
  display: none;
  flex-direction: column;
  background: rgba(250, 250, 247, 0.98);
  border-top: 1px solid var(--border-subtle);
  padding: 8px 0 16px;
}

.nav-mobile-menu a {
  padding: 13px var(--pad-x);
  display: block;
  font-size: 15px;
  color: var(--text-2);
  font-weight: 500;
  transition: color 180ms;
}

.nav-mobile-menu a:hover {
  color: var(--text-1);
}

.nav-mobile-menu .nav-cta-wrap {
  padding: 12px var(--pad-x) 4px;
}

.nav-mobile-menu .nav-cta {
  display: block;
  text-align: center;
  padding: 13px 20px;
  font-size: 15px;
}

/* ── Buttons ────────────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: var(--r-md);
  border: none;
  background: var(--accent);
  color: #fff;
  transition: background 180ms, transform 150ms;
  cursor: pointer;
  text-align: center;
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  padding: 13px 28px;
  border-radius: var(--r-md);
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-1);
  transition: all 180ms;
  cursor: pointer;
}

.btn-secondary:hover {
  border-color: var(--sand);
  color: var(--text-1);
  background: var(--sand-dim);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  padding: 8px 0;
  background: none;
  border: none;
  color: var(--accent-text);
  cursor: pointer;
  transition: color 180ms;
}

.btn-ghost:hover {
  color: var(--text-1);
}

/* ── Cards ──────────────────────────────────────────────────────── */
.card {
  background: var(--surface-raised);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 24px;
  transition: border-color 180ms;
}

.card:hover {
  border-color: var(--sand-border);
}

.card--accent {
  border-color: var(--accent-border);
  background: var(--surface-raised);
}

/* ── Section Helpers ────────────────────────────────────────────── */
.section {
  padding: var(--section-y) var(--pad-x);
}

.section--surface {
  background: var(--surface);
  padding: var(--section-y) var(--pad-x);
}

.section--compact {
  padding: var(--section-y-sm) var(--pad-x);
}

.section--compact.section--surface {
  padding: var(--section-y-sm) var(--pad-x);
}

.section-header {
  margin-bottom: 56px;
}

.section-header--center {
  text-align: center;
}

.section-header .t-section {
  margin-bottom: 14px;
}

/* ── Form Elements ──────────────────────────────────────────────── */
.input {
  width: 100%;
  padding: 13px 16px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 400;
  background: var(--surface-raised);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  color: var(--text-1);
  transition: border-color 180ms, box-shadow 180ms;
  outline: none;
}

.input::placeholder {
  color: var(--text-3);
}

.input:focus {
  border-color: var(--accent-border);
  box-shadow: 0 0 0 3px rgba(201, 88, 46, 0.08);
}

.select {
  width: 100%;
  padding: 13px 44px 13px 16px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 400;
  background: var(--surface-raised);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='7' viewBox='0 0 12 7'%3E%3Cpath d='M1 1l5 4 5-4' stroke='%235A5450' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  color: var(--text-3);
  appearance: none;
  -webkit-appearance: none;
  outline: none;
  cursor: pointer;
  transition: border-color 180ms;
}

.select:focus {
  border-color: var(--accent-border);
  box-shadow: 0 0 0 3px rgba(201, 88, 46, 0.08);
}

.select:valid,
.select.has-value {
  color: var(--text-1);
}

.select option {
  background: var(--surface-raised);
  color: var(--text-1);
}

.label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-2);
  margin-bottom: 6px;
}

.form-group {
  margin-bottom: 12px;
}

.form-success {
  display: none;
  padding: 22px;
  background: rgba(104, 176, 116, 0.08);
  border: 1px solid rgba(104, 176, 116, 0.22);
  border-radius: var(--r-lg);
  margin-top: 16px;
}

.form-success p {
  font-size: 14px;
  font-weight: 600;
  color: var(--success);
}

.consent-label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
  font-size: 12px;
  color: var(--text-3);
  line-height: 1.55;
}

.consent-label input[type="checkbox"] {
  margin-top: 2px;
  accent-color: var(--accent);
  width: 15px;
  height: 15px;
  flex-shrink: 0;
  cursor: pointer;
}

.consent-label a {
  color: var(--sand);
}

.consent-error {
  color: var(--danger);
  font-size: 12px;
  margin-top: 5px;
  display: none;
}

/* ── Stat Number ────────────────────────────────────────────────── */
.stat-num {
  font-family: var(--font-display);
  font-size: clamp(48px, 6vw, 76px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
  color: var(--text-1);
  font-variant-numeric: tabular-nums;
}

/* ── Ticker / Marquee ───────────────────────────────────────────── */
.ticker-section {
  padding: 22px 0;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  overflow: hidden;
  position: relative;
}

.ticker-wrap {
  overflow: hidden;
  mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
}

.ticker-track {
  display: flex;
  gap: 0;
  animation: tickerScroll 38s linear infinite;
  width: max-content;
}

.ticker-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 28px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-3);
  white-space: nowrap;
  letter-spacing: 0.02em;
}

.ticker-item::before {
  content: '';
  display: block;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.6;
  flex-shrink: 0;
}

@keyframes tickerScroll {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ── Waveform Animation ─────────────────────────────────────────── */
.waveform {
  display: flex;
  align-items: center;
  gap: 3px;
  height: 40px;
}

.wave-bar {
  width: 3px;
  border-radius: 2px;
  background: var(--accent);
  animation: waveAnim 1.2s ease-in-out infinite;
  opacity: 0.8;
}

.wave-bar:nth-child(1)  { height: 10px; animation-delay: 0s; }
.wave-bar:nth-child(2)  { height: 20px; animation-delay: 0.09s; }
.wave-bar:nth-child(3)  { height: 32px; animation-delay: 0.18s; }
.wave-bar:nth-child(4)  { height: 38px; animation-delay: 0.27s; }
.wave-bar:nth-child(5)  { height: 30px; animation-delay: 0.36s; }
.wave-bar:nth-child(6)  { height: 18px; animation-delay: 0.45s; }
.wave-bar:nth-child(7)  { height: 26px; animation-delay: 0.54s; }
.wave-bar:nth-child(8)  { height: 38px; animation-delay: 0.63s; }
.wave-bar:nth-child(9)  { height: 28px; animation-delay: 0.72s; }
.wave-bar:nth-child(10) { height: 16px; animation-delay: 0.81s; }
.wave-bar:nth-child(11) { height: 10px; animation-delay: 0.90s; }

@keyframes waveAnim {
  0%, 100% { transform: scaleY(0.35); opacity: 0.45; }
  50%       { transform: scaleY(1);    opacity: 0.9; }
}

/* ── Fade-up Scroll Animation ───────────────────────────────────── */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── FAQ ────────────────────────────────────────────────────────── */
.faq-item + .faq-item {
  border-top: 1px solid var(--border-subtle);
}

.faq-btn {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px 0;
  background: none;
  border: none;
  text-align: left;
  cursor: pointer;
  gap: 20px;
}

.faq-question {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-1);
  font-family: var(--font-body);
}

.faq-chevron {
  flex-shrink: 0;
  transition: transform 200ms;
  color: var(--text-3);
}

.faq-item.open .faq-chevron {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 320ms ease, opacity 220ms ease;
  opacity: 0;
}

.faq-answer.open {
  max-height: 280px;
  opacity: 1;
}

.faq-answer p {
  font-size: 15px;
  color: var(--text-2);
  line-height: 1.65;
  padding-bottom: 22px;
  padding-right: 40px;
}

/* ── Footer ─────────────────────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--border-subtle);
  padding: 40px var(--pad-x);
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--text-1);
  letter-spacing: -0.03em;
}

.footer-brand span {
  color: var(--accent);
}

.footer-info {
  font-size: 13px;
  color: var(--text-3);
  margin-top: 4px;
}

.footer-links {
  display: flex;
  gap: 24px;
  align-items: center;
  flex-wrap: wrap;
}

.footer-link {
  font-size: 13px;
  color: var(--text-3);
  transition: color 180ms;
}

.footer-link:hover {
  color: var(--text-2);
}

.footer-copy {
  font-size: 12px;
  color: var(--text-4);
  margin-top: 4px;
}

.footer-tcpa {
  max-width: var(--max-w);
  margin: 12px auto 0;
  padding: 0 var(--pad-x);
  font-size: 11px;
  color: var(--text-4);
  line-height: 1.55;
}

.footer-tcpa a {
  color: var(--text-3);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ── Responsive ─────────────────────────────────────────────────── */
@media (max-width: 768px) {
  :root {
    --pad-x: 20px;
    --section-y: 80px;
    --section-y-sm: 52px;
  }

  .nav-links {
    display: none !important;
  }

  .nav-mobile-toggle {
    display: flex !important;
  }

  .nav-mobile-menu.open {
    display: flex !important;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
  }

  .footer-links {
    gap: 16px;
  }
}

@media (max-width: 480px) {
  :root {
    --pad-x: 16px;
  }

  .btn-primary,
  .btn-secondary {
    width: 100%;
    justify-content: center;
  }
}