/* ==========================================================================
   OneOps Landing Page — styles.css
   Customize: colors, fonts, and spacing tokens below
   ========================================================================== */

/* ---------- Design tokens ---------- */
:root {
  --color-primary: #1f4788;
  --color-primary-hover: #163761;
  --color-secondary: #2e75b6;
  --color-text: #333333;
  --color-text-muted: #5c5c5c;
  --color-bg: #ffffff;
  --color-bg-alt: #f8f9fa;
  --color-bg-highlight: #eef3f9;
  --color-success: #28a745;
  --color-alert: #dc3545;
  --color-footer-bg: #2d3436;
  --color-footer-text: #e9ecef;

  --font-family: "Inter", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-size-body: 1rem;
  --font-size-body-lg: 1.125rem;
  --font-size-small: 0.875rem;
  --font-size-h1: 2rem;
  --font-size-h2: 1.75rem;
  --font-size-h3: 1.25rem;

  --line-height-body: 1.6;
  --line-height-heading: 1.2;

  --space-unit: 24px;
  --container-max: 1200px;
  --content-max: 800px;
  --section-padding-y: 3.75rem;
  --radius: 8px;
  --shadow-sm: 0 2px 8px rgba(31, 71, 136, 0.08);
  --shadow-btn: 0 4px 14px rgba(31, 71, 136, 0.25);
  --transition: 0.2s ease;
}

@media (min-width: 768px) {
  :root {
    --font-size-body: 1.125rem;
    --font-size-h1: 3rem;
    --font-size-h2: 2.25rem;
    --font-size-h3: 1.5rem;
    --section-padding-y: 5rem;
  }
}

/* ---------- Reset & base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-family);
  font-size: var(--font-size-body);
  line-height: var(--line-height-body);
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--color-secondary);
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

a:hover {
  color: var(--color-primary);
}

h1,
h2,
h3 {
  line-height: var(--line-height-heading);
  color: var(--color-primary);
  margin-top: 0;
}

h1 {
  font-size: var(--font-size-h1);
  font-weight: 700;
}

h2 {
  font-size: var(--font-size-h2);
  font-weight: 700;
  margin-bottom: var(--space-unit);
}

h3 {
  font-size: var(--font-size-h3);
  font-weight: 600;
  margin-bottom: 0.75rem;
}

p {
  margin: 0 0 1rem;
}

ul {
  margin: 0 0 1rem;
  padding-left: 0;
}

/* ---------- Utilities ---------- */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.content-narrow {
  max-width: var(--content-max);
  margin-left: auto;
  margin-right: auto;
}

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

.section {
  padding-top: var(--section-padding-y);
  padding-bottom: var(--section-padding-y);
}

.section-alt {
  background: var(--color-bg-alt);
}

.section-highlight {
  background: var(--color-bg-highlight);
}

.section-intro {
  font-size: var(--font-size-body-lg);
  color: var(--color-text-muted);
}

.section-subheading {
  font-size: var(--font-size-body-lg);
  font-weight: 600;
  color: var(--color-secondary);
  margin-bottom: 1.5rem;
}

.closing-statement {
  font-size: var(--font-size-body-lg);
  margin-top: 2rem;
}

.cta-wrap {
  margin-top: 2.5rem;
}

.placeholder-note {
  color: var(--color-text-muted);
  margin-top: 1rem;
}

/* ---------- Skip link ---------- */
.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
  z-index: 10001;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
  width: auto;
  height: auto;
  padding: 0.5rem 1rem;
  background: var(--color-primary);
  color: #fff;
  text-decoration: none;
  border-radius: var(--radius);
}

/* ---------- Header / Navigation ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--color-bg);
  border-bottom: 1px solid #e8e8e8;
  box-shadow: var(--shadow-sm);
}

.header-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
  flex-shrink: 0;
}

.logo:hover {
  color: var(--color-primary-hover);
}

.menu-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
  z-index: 1002;
}

.menu-toggle-bar {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 1px;
  transition: transform var(--transition), opacity var(--transition);
}

.menu-toggle[aria-expanded="true"] .menu-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .menu-toggle-bar:nth-child(2) {
  opacity: 0;
}

.menu-toggle[aria-expanded="true"] .menu-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.primary-nav {
  display: none;
}

.nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.nav-list a {
  color: var(--color-text);
  text-decoration: none;
  font-weight: 500;
}

.nav-list a:hover {
  color: var(--color-primary);
}

.nav-overlay {
  display: none;
}

/* Mobile nav open */
@media (max-width: 767px) {
  .primary-nav.is-open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    right: 0;
    width: min(320px, 85vw);
    height: 100vh;
    padding: 5rem 1.5rem 2rem;
    background: var(--color-bg);
    box-shadow: -4px 0 24px rgba(0, 0, 0, 0.12);
    z-index: 1001;
    animation: slideIn 0.3s ease;
  }

  .nav-overlay.is-visible {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 1000;
  }

  .primary-nav.is-open .btn-nav {
    margin-top: 1rem;
    width: 100%;
    text-align: center;
  }
}

@keyframes slideIn {
  from {
    transform: translateX(100%);
  }
  to {
    transform: translateX(0);
  }
}

@media (min-width: 768px) {
  .menu-toggle {
    display: none;
  }

  .primary-nav {
    display: flex;
    align-items: center;
    gap: 2rem;
  }

  .nav-list {
    flex-direction: row;
    align-items: center;
    gap: 1.5rem;
  }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  min-width: 200px;
  padding: 0.875rem 1.75rem;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.2;
  text-decoration: none;
  border-radius: var(--radius);
  border: 2px solid transparent;
  cursor: pointer;
  transition: background var(--transition), color var(--transition),
    box-shadow var(--transition), transform var(--transition),
    border-color var(--transition);
}

.btn:focus-visible {
  outline: 3px solid var(--color-secondary);
  outline-offset: 2px;
}

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

.btn-primary:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  color: #fff;
  box-shadow: var(--shadow-btn);
  transform: translateY(-2px);
}

.btn-secondary {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-secondary:hover {
  background: var(--color-bg-alt);
  transform: translateY(-2px);
}

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

.btn-inverse:hover {
  background: var(--color-bg-alt);
  color: var(--color-primary-hover);
  box-shadow: var(--shadow-btn);
  transform: translateY(-2px);
}

.btn-hero {
  font-size: 1.0625rem;
  padding: 1rem 2rem;
  width: 100%;
  max-width: 480px;
}

.btn-block {
  width: 100%;
  min-width: unset;
}

@media (max-width: 479px) {
  .btn {
    width: 100%;
    min-width: unset;
  }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, var(--color-bg-alt) 0%, var(--color-bg) 65%);
}

.hero-pattern {
  position: absolute;
  inset: 0;
  opacity: 0.4;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(46, 117, 182, 0.12) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(31, 71, 136, 0.08) 0%, transparent 45%),
    repeating-linear-gradient(
      -12deg,
      transparent,
      transparent 40px,
      rgba(31, 71, 136, 0.03) 40px,
      rgba(31, 71, 136, 0.03) 41px
    );
  pointer-events: none;
}

.hero-inner {
  position: relative;
  text-align: center;
}

.hero-subheading {
  font-size: var(--font-size-body-lg);
  color: var(--color-text-muted);
  max-width: 640px;
  margin: 0 auto 2rem;
}

.trust-badges {
  list-style: none;
  margin: 2rem auto 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  align-items: center;
  font-size: var(--font-size-small);
  color: var(--color-text-muted);
}

@media (min-width: 600px) {
  .trust-badges {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
  }
}

.trust-badges li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.check-icon::before {
  content: "✓";
  color: var(--color-success);
  font-weight: 700;
}

.check-icon.urgency::before {
  color: var(--color-alert);
}

/* ---------- Custom bullets (problem section) ---------- */
.custom-bullets {
  list-style: none;
  padding: 0;
}

.custom-bullets li {
  position: relative;
  padding-left: 1.75rem;
  margin-bottom: 1rem;
  font-size: var(--font-size-body-lg);
}

.custom-bullets li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 8px;
  height: 8px;
  background: var(--color-secondary);
  border-radius: 50%;
}

/* ---------- Cards (solution) ---------- */
.cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-unit);
  margin: 2.5rem 0;
}

@media (min-width: 768px) {
  .cards-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.card {
  background: var(--color-bg);
  border: 1px solid #e2e8f0;
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
}

.card:hover {
  box-shadow: 0 8px 24px rgba(31, 71, 136, 0.12);
  transform: translateY(-4px);
}

.card-icon {
  width: 48px;
  height: 48px;
  color: var(--color-secondary);
  margin-bottom: 1rem;
}

.card-icon svg {
  width: 100%;
  height: 100%;
}

.card h3 {
  color: var(--color-primary);
}

.results-statement {
  font-size: var(--font-size-body-lg);
  margin-top: 1rem;
}

/* ---------- Transparency / offer box ---------- */
.narrative p {
  font-size: var(--font-size-body-lg);
}

.offer-box {
  background: var(--color-bg);
  border: 1px solid #d0dbe8;
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius);
  padding: 2rem;
  margin: 2rem 0;
  box-shadow: var(--shadow-sm);
}

.offer-box-title {
  font-weight: 600;
  font-size: var(--font-size-body-lg);
  margin-bottom: 1.5rem;
}

.checklist {
  list-style: none;
  padding: 0;
  margin: 0;
}

.checklist li {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1rem;
  align-items: flex-start;
}

.check-green {
  color: var(--color-success);
  font-weight: 700;
  flex-shrink: 0;
}

.value-tag {
  color: var(--color-text-muted);
  font-size: var(--font-size-small);
}

.urgency-note {
  text-align: center;
  color: var(--color-text-muted);
  margin-top: 1rem;
}

/* ---------- Accordion ---------- */
.accordion {
  margin-top: 2rem;
}

.accordion-item {
  border-bottom: 1px solid #e2e8f0;
}

.accordion-item:first-child {
  border-top: 1px solid #e2e8f0;
}

.accordion-item h3 {
  margin: 0;
}

.accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1.25rem 0;
  background: none;
  border: none;
  font-family: inherit;
  font-size: var(--font-size-h3);
  font-weight: 600;
  color: var(--color-primary);
  text-align: left;
  cursor: pointer;
  transition: color var(--transition);
}

.accordion-trigger:hover {
  color: var(--color-secondary);
}

.accordion-trigger:focus-visible {
  outline: 3px solid var(--color-secondary);
  outline-offset: 2px;
  border-radius: 4px;
}

.accordion-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  color: var(--color-secondary);
}

.accordion-icon svg {
  width: 100%;
  height: 100%;
}

.accordion-chevron {
  margin-left: auto;
  width: 12px;
  height: 12px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  transition: transform var(--transition);
  flex-shrink: 0;
}

.accordion-trigger[aria-expanded="true"] .accordion-chevron {
  transform: rotate(-135deg);
}

.accordion-panel {
  padding: 0 0 1.25rem 2.75rem;
}

.accordion-panel[hidden] {
  display: none;
}

.accordion-panel ul {
  padding-left: 1.25rem;
}

.accordion-panel li {
  margin-bottom: 0.5rem;
}

.section-cta {
  margin-top: 3rem;
}

/* ---------- Two columns (audience) ---------- */
.two-columns {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  margin-top: 2rem;
}

@media (min-width: 768px) {
  .two-columns {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
  }
}

.column h3 {
  font-size: 1.125rem;
  margin-bottom: 1.25rem;
}

.audience-list {
  list-style: none;
  padding: 0;
}

.audience-list li {
  position: relative;
  padding-left: 1.75rem;
  margin-bottom: 0.875rem;
}

.audience-yes li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-success);
  font-weight: 700;
}

.audience-no li::before {
  content: "✗";
  position: absolute;
  left: 0;
  color: var(--color-alert);
  font-weight: 700;
}

/* ---------- Author ---------- */
.author-layout {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
  margin-top: 2rem;
}

@media (min-width: 768px) {
  .author-layout {
    flex-direction: row;
    align-items: flex-start;
    justify-content: center;
    gap: 3rem;
  }
}

.author-photo {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid var(--color-bg-highlight);
  box-shadow: var(--shadow-sm);
}

.author-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1rem;
  margin-top: 1.5rem;
}

.social-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
}

.social-link svg {
  width: 20px;
  height: 20px;
}

.link-sep {
  color: #ccc;
}

/* ---------- Email form ---------- */
.email-form {
  margin-top: 1.5rem;
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: 520px;
  margin: 0 auto;
}

@media (min-width: 560px) {
  .form-row {
    flex-direction: row;
  }

  .form-row input {
    flex: 1;
  }

  .form-row .btn {
    width: auto;
    flex-shrink: 0;
  }
}

.form-row input {
  min-height: 56px;
  padding: 0 1rem;
  font-family: inherit;
  font-size: 1rem;
  border: 2px solid #d0dbe8;
  border-radius: var(--radius);
  color: var(--color-text);
}

.form-row input:focus {
  outline: none;
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 3px rgba(46, 117, 182, 0.2);
}

.form-row input:invalid:not(:placeholder-shown) {
  border-color: var(--color-alert);
}

.form-message {
  margin-top: 0.75rem;
  font-size: var(--font-size-small);
}

.form-error {
  color: var(--color-alert);
}

.form-success {
  color: var(--color-success);
  font-weight: 600;
}

/* ---------- Final CTA ---------- */
.section-cta-final {
  background: var(--color-primary);
  color: #fff;
}

.section-cta-final h2,
.section-cta-final a:not(.btn) {
  color: #fff;
}

.section-cta-final p {
  font-size: var(--font-size-body-lg);
  opacity: 0.95;
}

.final-contact {
  margin-top: 2rem;
  font-size: var(--font-size-small);
  opacity: 0.9;
}

.final-contact a {
  color: #fff;
  text-decoration: underline;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-footer-bg);
  color: var(--color-footer-text);
  padding: 2.5rem 0;
  padding-bottom: calc(2.5rem + 72px); /* space for mobile CTA bar */
}

@media (min-width: 768px) {
  .site-footer {
    padding-bottom: 2.5rem;
  }
}

.footer-inner {
  text-align: center;
}

.footer-nav {
  margin: 1rem 0;
}

.footer-nav a {
  color: var(--color-footer-text);
  text-decoration: none;
  margin: 0 0.25rem;
}

.footer-nav a:hover {
  color: #fff;
  text-decoration: underline;
}

.footer-address {
  font-size: var(--font-size-small);
  opacity: 0.75;
  margin: 0;
}

.copyright {
  margin: 0;
  font-size: var(--font-size-small);
}

/* ---------- Mobile sticky CTA ---------- */
.mobile-cta-bar {
  display: block;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 0.75rem 1rem;
  background: var(--color-bg);
  border-top: 1px solid #e8e8e8;
  box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.08);
  z-index: 999;
  transform: translateY(100%);
  transition: transform 0.3s ease;
}

.mobile-cta-bar.is-visible {
  transform: translateY(0);
}

.mobile-cta-bar .btn {
  min-height: 48px;
}

@media (min-width: 768px) {
  .mobile-cta-bar {
    display: none;
  }
}

/* ---------- Back to top ---------- */
.back-to-top {
  position: fixed;
  bottom: 5.5rem;
  right: 1.25rem;
  width: 48px;
  height: 48px;
  border: none;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  cursor: pointer;
  box-shadow: var(--shadow-btn);
  z-index: 998;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition), transform var(--transition), opacity var(--transition);
}

.back-to-top:hover {
  background: var(--color-primary-hover);
  transform: translateY(-2px);
}

.back-to-top:focus-visible {
  outline: 3px solid var(--color-secondary);
  outline-offset: 2px;
}

.back-to-top svg {
  width: 22px;
  height: 22px;
}

.back-to-top[hidden] {
  display: none;
}

@media (min-width: 768px) {
  .back-to-top {
    bottom: 1.5rem;
  }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}