/* ==========================================================================
   3Sixty Marketing Solutions — Stylesheet
   Dark theme, mobile-first, minimal
   ========================================================================== */

/* ---------- Custom Properties ---------- */
:root {
  --color-bg: #0a0a0a;
  --color-bg-elevated: #111111;
  --color-bg-card: #161616;
  --color-border: #222222;
  --color-border-light: #2a2a2a;
  --color-text: #f0f0f0;
  --color-text-muted: #888888;
  --color-accent: #3b82f6;
  --color-accent-hover: #2563eb;
  --color-accent-glow: rgba(59, 130, 246, 0.15);
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --radius: 12px;
  --radius-sm: 8px;
  --max-width: 1120px;
  --nav-height: 64px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color 0.2s;
}

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

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

ul {
  list-style: none;
}

strong {
  font-weight: 600;
}

/* ---------- Utility ---------- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.mono {
  font-family: var(--font-mono);
}

.text-accent {
  color: var(--color-accent);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
  white-space: nowrap;
}

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

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

.btn--ghost {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border-light);
}

.btn--ghost:hover {
  border-color: var(--color-text-muted);
  color: #fff;
}

.btn--sm {
  padding: 8px 20px;
  font-size: 0.875rem;
}

.btn--lg {
  padding: 16px 40px;
  font-size: 1.05rem;
}

.btn--full {
  width: 100%;
}

/* ---------- Navigation ---------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav__logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

.nav__logo:hover {
  color: var(--color-text);
}

.nav__logo-mark {
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-weight: 700;
}

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

.nav__links a {
  color: var(--color-text-muted);
  font-size: 0.875rem;
  font-weight: 500;
  transition: color 0.2s;
}

.nav__links a:hover {
  color: var(--color-text);
}

.nav__links .btn {
  color: #fff;
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav__toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 1px;
  transition: all 0.3s;
}

/* ---------- Hero ---------- */
.hero {
  padding: 160px 0 100px;
  text-align: center;
}

.hero__inner {
  max-width: 780px;
  margin: 0 auto;
}

.hero__eyebrow {
  font-size: 0.8rem;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 20px;
}

.hero__title {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.hero__sub {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  max-width: 580px;
  margin: 0 auto 36px;
  line-height: 1.7;
}

.hero__actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.hero__note {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  letter-spacing: 0.02em;
}

/* ---------- Sections ---------- */
.section {
  padding: 100px 0;
}

.section__eyebrow {
  font-size: 0.75rem;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 12px;
  text-align: center;
}

.section__title {
  font-size: clamp(1.7rem, 3.5vw, 2.5rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  text-align: center;
  margin-bottom: 56px;
}

/* ---------- Cards ---------- */
.cards {
  display: grid;
  gap: 24px;
}

.cards--3 {
  grid-template-columns: repeat(3, 1fr);
}

.cards--2 {
  grid-template-columns: repeat(2, 1fr);
}

.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.card:hover {
  border-color: var(--color-border-light);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
}

.card__icon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.card__icon-wrap {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-glow);
  border-radius: var(--radius-sm);
  color: var(--color-accent);
  margin-bottom: 20px;
}

.card__title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.card__text {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* ---------- Service Cards ---------- */
.card--service {
  position: relative;
}

/* ---------- Steps (How It Works) ---------- */
.how {
  background: var(--color-bg-elevated);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
  max-width: 900px;
  margin: 0 auto;
}

.step {
  flex: 1;
  text-align: center;
  padding: 0 24px;
}

.step__number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 16px;
}

.step__title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.step__text {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.65;
}

.step__connector {
  width: 60px;
  height: 2px;
  background: var(--color-border-light);
  margin-top: 28px;
  flex-shrink: 0;
}

/* ---------- Results ---------- */
.card--result {
  text-align: center;
}

.card__stat {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 4px;
}

.card__label {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
  color: var(--color-text);
}

.results__cta {
  text-align: center;
  margin-top: 48px;
}

.results__note {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  max-width: 540px;
  margin: 0 auto;
}

/* ---------- Pricing ---------- */
.pricing {
  background: var(--color-bg-elevated);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.pricing__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 800px;
  margin: 0 auto 64px;
}

.card--pricing {
  padding: 40px 32px;
  position: relative;
}

.card__badge {
  position: absolute;
  top: -1px;
  right: 24px;
  background: var(--color-accent);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.card--pricing .card__title {
  font-size: 1.3rem;
  margin-bottom: 12px;
}

.card__price {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.card__price span {
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--color-text-muted);
}

.card--pricing .card__text {
  margin-bottom: 24px;
}

.card__features {
  margin-bottom: 28px;
}

.card__features li {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  padding: 8px 0;
  border-bottom: 1px solid var(--color-border);
  position: relative;
  padding-left: 24px;
}

.card__features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: 600;
}

.pricing__extras {
  max-width: 800px;
  margin: 0 auto;
}

.pricing__extras-title {
  font-size: 1.25rem;
  font-weight: 600;
  text-align: center;
  margin-bottom: 24px;
}

.card--compact {
  padding: 24px;
}

.card--compact h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.card--compact .mono {
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: 8px;
}

.card--compact p:last-child {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ---------- FAQ ---------- */
.faq__list {
  max-width: 700px;
  margin: 0 auto;
}

.faq__item {
  border-bottom: 1px solid var(--color-border);
}

.faq__question {
  font-size: 1rem;
  font-weight: 600;
  padding: 20px 0;
  cursor: pointer;
  position: relative;
  padding-right: 32px;
  list-style: none;
}

.faq__question::-webkit-details-marker {
  display: none;
}

.faq__question::after {
  content: '+';
  position: absolute;
  right: 0;
  top: 20px;
  font-family: var(--font-mono);
  font-size: 1.2rem;
  color: var(--color-text-muted);
  transition: transform 0.2s;
}

details[open] .faq__question::after {
  content: '−';
}

.faq__answer {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  padding-bottom: 20px;
}

/* ---------- CTA ---------- */
.cta {
  text-align: center;
  padding: 120px 0;
}

.cta__title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.cta__sub {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  max-width: 480px;
  margin: 0 auto 36px;
  line-height: 1.7;
}

.cta__alt {
  margin-top: 20px;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* ---------- Footer ---------- */
.footer {
  border-top: 1px solid var(--color-border);
  padding: 48px 0;
}

.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  text-align: center;
}

.footer__brand p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-top: 8px;
}

.footer__links {
  display: flex;
  gap: 24px;
}

.footer__links a {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.footer__links a:hover {
  color: var(--color-text);
}

.footer__copy {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
  .nav__links {
    display: none;
    flex-direction: column;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    padding: 24px;
    gap: 20px;
  }

  .nav__links.active {
    display: flex;
  }

  .nav__toggle {
    display: flex;
  }

  .nav__toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .nav__toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .nav__toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .hero {
    padding: 120px 0 72px;
  }

  .hero__title {
    font-size: 2rem;
  }

  .section {
    padding: 72px 0;
  }

  .cards--3,
  .cards--2 {
    grid-template-columns: 1fr;
  }

  .pricing__grid {
    grid-template-columns: 1fr;
  }

  .steps {
    flex-direction: column;
    align-items: center;
    gap: 32px;
  }

  .step__connector {
    width: 2px;
    height: 32px;
    margin: 0;
  }

  .step {
    padding: 0;
  }

  .hero__actions {
    flex-direction: column;
    align-items: center;
  }
}

@media (max-width: 480px) {
  .hero__title {
    font-size: 1.7rem;
  }

  .card {
    padding: 24px;
  }

  .card--pricing {
    padding: 32px 24px;
  }
}

/* ---------- Legal Pages ---------- */
.legal-page {
  padding-top: 160px;
  padding-bottom: 100px;
}

.legal-page__inner {
  max-width: 780px;
  margin: 0 auto;
}

.legal-content {
  text-align: left;
}

.legal-content h2 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-top: 36px;
  margin-bottom: 12px;
}

.legal-content p {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: 16px;
}

.legal-content ul {
  margin-bottom: 16px;
  padding-left: 20px;
}

.legal-content li {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: 8px;
  position: relative;
  padding-left: 16px;
}

.legal-content li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
}

.legal-content a {
  color: var(--color-accent);
}

.legal-content a:hover {
  color: var(--color-accent-hover);
}

/* ---------- Error / 404 Page ---------- */
.error-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - var(--nav-height) - 160px);
  padding: 160px 0 100px;
  text-align: center;
}

.error-page__inner {
  max-width: 520px;
  margin: 0 auto;
}

.error-page__code {
  font-size: clamp(6rem, 15vw, 10rem);
  font-weight: 800;
  line-height: 1;
  color: var(--color-accent);
  opacity: 0.15;
  margin-bottom: -16px;
}

.error-page__title {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.error-page__text {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 36px;
}

.error-page__actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---------- Animations ---------- */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

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