/* ============================================
   SPAMJAMMER — MONOCHROME DESIGN STYLE
   Single accent: #2563EB (electric blue)
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Newsreader:ital,opsz,wght@0,6..72,400;0,6..72,500;0,6..72,600;0,6..72,700;1,6..72,400;1,6..72,500&family=Archivo:wght@400;500;600;700&display=swap');

/* --- CSS Variables --- */
:root {
  --black: #000000;
  --white: #ffffff;
  --gray-900: #111111;
  --gray-800: #222222;
  --gray-700: #333333;
  --gray-600: #555555;
  --gray-500: #666666;
  --gray-400: #999999;
  --gray-300: #cccccc;
  --gray-200: #e5e5e5;
  --gray-100: #f5f5f5;
  --accent: #2563EB;
  --accent-hover: #1d4ed8;
  --font-serif: 'Newsreader', Georgia, serif;
  --font-sans: 'Archivo', 'Helvetica Neue', Arial, sans-serif;
  --max-width: 1200px;
  --nav-height: 72px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  color: var(--black);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

/* --- Typography --- */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 6vw, 4.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.75rem); }
h4 { font-size: 1.125rem; }

p {
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--gray-600);
}

.serif { font-family: var(--font-serif); }
.sans { font-family: var(--font-sans); }

/* --- Layout --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

.section {
  padding: 6rem 0;
}

.section--black {
  background: var(--black);
  color: var(--white);
}

.section--black p {
  color: var(--gray-400);
}

.section--gray {
  background: var(--gray-100);
}

.section--dark-gray {
  background: var(--gray-900);
  color: var(--white);
}

.section--dark-gray p {
  color: var(--gray-400);
}

/* --- Divider --- */
.divider {
  border: none;
  border-top: 1px solid var(--gray-200);
  margin: 0;
}

.section--black .divider,
.section--dark-gray .divider {
  border-top-color: var(--gray-800);
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--black);
  border-bottom: 1px solid var(--gray-800);
  height: var(--nav-height);
  transition: background 0.3s ease;
}

.nav__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  font-family: var(--font-sans);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.03em;
  text-transform: uppercase;
}

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

.nav__links {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.nav__link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--gray-400);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: color 0.2s ease;
}

.nav__link:hover,
.nav__link--active {
  color: var(--white);
}

.nav__cta {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--white);
  background: var(--accent);
  padding: 0.625rem 1.5rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: background 0.2s ease, transform 0.2s ease;
}

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

/* Mobile menu toggle */
.nav__toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  margin: 5px 0;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

/* --- Buttons --- */
.btn {
  display: inline-block;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.875rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 1rem 2.5rem;
  transition: all 0.25s ease;
  cursor: pointer;
  border: none;
}

.btn--accent {
  background: var(--accent);
  color: var(--white);
}

.btn--accent:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 24px rgba(37, 99, 235, 0.3);
}

.btn--outline {
  background: transparent;
  color: var(--black);
  border: 2px solid var(--black);
}

.btn--outline:hover {
  background: var(--black);
  color: var(--white);
}

.btn--outline-white {
  background: transparent;
  color: var(--white);
  border: 2px solid var(--white);
}

.btn--outline-white:hover {
  background: var(--white);
  color: var(--black);
}

.btn--large {
  padding: 1.25rem 3rem;
  font-size: 1rem;
}

/* --- Hero --- */
.hero {
  padding-top: calc(var(--nav-height) + 6rem);
  padding-bottom: 6rem;
  text-align: center;
}

.hero__label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gray-500);
  margin-bottom: 1.5rem;
  padding: 0.5rem 1.25rem;
  border: 1px solid var(--gray-300);
}

.hero h1 {
  margin-bottom: 1.5rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.hero p {
  font-size: 1.25rem;
  max-width: 600px;
  margin: 0 auto 2.5rem;
  color: var(--gray-500);
  line-height: 1.7;
}

.hero__actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* --- Stats Bar --- */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--gray-800);
  border-bottom: 1px solid var(--gray-800);
}

.stat {
  padding: 3rem 2rem;
  text-align: center;
  border-right: 1px solid var(--gray-800);
}

.stat:last-child {
  border-right: none;
}

.stat__number {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat__label {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--gray-500);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* --- Features Grid --- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
}

.feature-card {
  padding: 3rem 2.5rem;
  border: 1px solid var(--gray-200);
  border-right: none;
  transition: background 0.3s ease;
}

.feature-card:nth-child(3n) {
  border-right: 1px solid var(--gray-200);
}

.feature-card:hover {
  background: var(--gray-100);
}

.section--black .feature-card {
  border-color: var(--gray-800);
}

.section--black .feature-card:hover {
  background: var(--gray-900);
}

.feature-card__icon {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  display: inline-block;
  width: 48px;
  height: 48px;
  line-height: 48px;
  text-align: center;
  border: 1px solid var(--gray-300);
}

.section--black .feature-card__icon {
  border-color: var(--gray-700);
}

.feature-card h3 {
  margin-bottom: 0.75rem;
}

.feature-card p {
  font-size: 0.9375rem;
}

/* --- Editorial Feature (Split) --- */
.editorial {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  min-height: 500px;
}

.editorial__text {
  padding: 4rem 3rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.editorial__text h2 {
  margin-bottom: 1.5rem;
}

.editorial__text p {
  margin-bottom: 1.5rem;
}

.editorial__visual {
  background: var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem;
}

.section--black .editorial__visual {
  background: var(--gray-900);
}

/* --- Visual Block (Monochrome Diagram) --- */
.visual-block {
  width: 100%;
  max-width: 400px;
  padding: 2rem;
  border: 1px solid var(--gray-300);
}

.section--black .visual-block {
  border-color: var(--gray-700);
}

.visual-block__bar {
  height: 8px;
  margin-bottom: 0.75rem;
  background: var(--gray-300);
}

.section--black .visual-block__bar {
  background: var(--gray-700);
}

.visual-block__bar--accent {
  background: var(--accent) !important;
}

.visual-block__bar--short { width: 40%; }
.visual-block__bar--med { width: 65%; }
.visual-block__bar--long { width: 90%; }
.visual-block__bar--full { width: 100%; }

/* --- Testimonials --- */
.testimonials {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
}

.testimonial {
  padding: 3rem 2.5rem;
  border-right: 1px solid var(--gray-200);
}

.testimonial:last-child {
  border-right: none;
}

.testimonial__quote {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-style: italic;
  line-height: 1.7;
  color: var(--gray-700);
  margin-bottom: 2rem;
  position: relative;
  padding-top: 2rem;
}

.testimonial__quote::before {
  content: '\201C';
  position: absolute;
  top: 0;
  left: 0;
  font-size: 3rem;
  color: var(--gray-300);
  line-height: 1;
}

.testimonial__author {
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--black);
  margin-bottom: 0.25rem;
}

.testimonial__role {
  font-size: 0.8125rem;
  color: var(--gray-500);
}

/* --- Pricing --- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
}

.pricing-card {
  padding: 3rem 2.5rem;
  border: 1px solid var(--gray-200);
  border-right: none;
  display: flex;
  flex-direction: column;
}

.pricing-card:last-child {
  border-right: 1px solid var(--gray-200);
}

.pricing-card--highlighted {
  border: 2px solid var(--accent);
  position: relative;
}

.pricing-card--highlighted + .pricing-card {
  border-left: none;
}

.pricing-card__badge {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--accent);
  color: var(--white);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.375rem 1rem;
}

.pricing-card__name {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-500);
  margin-bottom: 1rem;
}

.pricing-card__price {
  font-family: var(--font-serif);
  font-size: 3rem;
  font-weight: 700;
  color: var(--black);
  line-height: 1;
  margin-bottom: 0.25rem;
}

.pricing-card__period {
  font-size: 0.875rem;
  color: var(--gray-500);
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--gray-200);
}

.pricing-card__features {
  flex: 1;
  margin-bottom: 2rem;
}

.pricing-card__feature {
  font-size: 0.9375rem;
  color: var(--gray-600);
  padding: 0.5rem 0;
  padding-left: 1.5rem;
  position: relative;
}

.pricing-card__feature::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 8px;
  height: 1px;
  background: var(--gray-400);
}

.pricing-card__cta {
  width: 100%;
  text-align: center;
}

/* --- FAQ / Accordion --- */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--gray-200);
}

.section--black .faq-item {
  border-bottom-color: var(--gray-800);
}

.faq-item__question {
  width: 100%;
  background: none;
  border: none;
  padding: 2rem 3rem 2rem 0;
  text-align: left;
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--black);
  cursor: pointer;
  position: relative;
  transition: color 0.2s ease;
}

.section--black .faq-item__question {
  color: var(--white);
}

.faq-item__question:hover {
  color: var(--accent);
}

.faq-item__question::after {
  content: '+';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-sans);
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--gray-400);
  transition: transform 0.3s ease;
}

.faq-item.active .faq-item__question::after {
  content: '\2212';
}

.faq-item__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-item__answer p {
  padding: 0 0 2rem;
  font-size: 1rem;
  line-height: 1.8;
}

.faq-item.active .faq-item__answer {
  max-height: 300px;
}

/* --- Contact Form --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  min-height: 600px;
}

.contact-form {
  padding: 4rem 3rem;
}

.contact-info {
  padding: 4rem 3rem;
  background: var(--black);
  color: var(--white);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-500);
  margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.875rem 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--black);
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--gray-300);
  outline: none;
  transition: border-color 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-bottom-color: var(--accent);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

.contact-info h3 {
  margin-bottom: 2rem;
  color: var(--white);
}

.contact-info__item {
  margin-bottom: 2rem;
}

.contact-info__label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-500);
  margin-bottom: 0.5rem;
}

.contact-info__value {
  font-size: 1.125rem;
  color: var(--white);
}

/* --- Section Headers --- */
.section-header {
  margin-bottom: 4rem;
}

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

.section-header__label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gray-500);
  margin-bottom: 1rem;
}

.section-header h2 {
  margin-bottom: 1rem;
}

.section-header p {
  max-width: 600px;
  font-size: 1.0625rem;
}

.section-header--center p {
  margin-left: auto;
  margin-right: auto;
}

/* --- Footer --- */
.footer {
  background: var(--black);
  color: var(--white);
  border-top: 1px solid var(--gray-800);
}

.footer__top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  padding: 4rem 0;
}

.footer__brand {
  max-width: 280px;
}

.footer__brand-name {
  font-family: var(--font-sans);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.footer__brand-name span {
  color: var(--accent);
}

.footer__brand p {
  font-size: 0.875rem;
  color: var(--gray-500);
  line-height: 1.7;
}

.footer__col-title {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gray-400);
  margin-bottom: 1.5rem;
}

.footer__links li {
  margin-bottom: 0.75rem;
}

.footer__links a {
  font-size: 0.875rem;
  color: var(--gray-500);
  transition: color 0.2s ease;
}

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

.footer__bottom {
  border-top: 1px solid var(--gray-800);
  padding: 1.5rem 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer__copyright {
  font-size: 0.8125rem;
  color: var(--gray-600);
}

.footer__legal {
  display: flex;
  gap: 1.5rem;
}

.footer__legal a {
  font-size: 0.8125rem;
  color: var(--gray-600);
  transition: color 0.2s ease;
}

.footer__legal a:hover {
  color: var(--white);
}

/* --- CTA Banner --- */
.cta-banner {
  text-align: center;
  padding: 6rem 2rem;
}

.cta-banner h2 {
  margin-bottom: 1rem;
  color: var(--white);
}

.cta-banner p {
  max-width: 500px;
  margin: 0 auto 2.5rem;
  color: var(--gray-400);
  font-size: 1.125rem;
}

/* --- Animations --- */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }
.fade-in-delay-4 { transition-delay: 0.4s; }

/* --- Page Header (for subpages) --- */
.page-header {
  padding-top: calc(var(--nav-height) + 4rem);
  padding-bottom: 4rem;
  text-align: center;
  border-bottom: 1px solid var(--gray-800);
}

.page-header h1 {
  margin-bottom: 1rem;
  color: var(--white);
}

.page-header p {
  color: var(--gray-400);
  max-width: 550px;
  margin: 0 auto;
  font-size: 1.125rem;
}

/* --- Feature List (Features Page) --- */
.feature-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border-bottom: 1px solid var(--gray-200);
}

.section--black .feature-detail {
  border-bottom-color: var(--gray-800);
}

.feature-detail:last-child {
  border-bottom: none;
}

.feature-detail__number {
  font-family: var(--font-serif);
  font-size: 5rem;
  font-weight: 700;
  color: var(--gray-200);
  line-height: 1;
  padding: 3rem;
}

.section--black .feature-detail__number {
  color: var(--gray-800);
}

.feature-detail__content {
  padding: 3rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.feature-detail__content h3 {
  margin-bottom: 0.75rem;
}

.feature-detail__content p {
  font-size: 0.9375rem;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .feature-card:nth-child(3n) { border-right: none; }
  .feature-card:nth-child(2n) { border-right: 1px solid var(--gray-200); }
  .section--black .feature-card:nth-child(2n) { border-right-color: var(--gray-800); }

  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 500px;
    margin: 0 auto;
  }
  .pricing-card { border-right: 1px solid var(--gray-200); }
  .pricing-card--highlighted + .pricing-card { border-left: 1px solid var(--gray-200); }

  .testimonials {
    grid-template-columns: 1fr;
  }
  .testimonial { border-right: none; border-bottom: 1px solid var(--gray-200); }
  .testimonial:last-child { border-bottom: none; }

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

@media (max-width: 768px) {
  .section { padding: 4rem 0; }

  .nav__links {
    display: none;
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--black);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2rem;
  }

  .nav__links.active {
    display: flex;
  }

  .nav__toggle {
    display: block;
  }

  .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);
  }

  .stats {
    grid-template-columns: repeat(2, 1fr);
  }
  .stat:nth-child(2) { border-right: none; }
  .stat:nth-child(1), .stat:nth-child(2) { border-bottom: 1px solid var(--gray-800); }

  .features-grid {
    grid-template-columns: 1fr;
  }
  .feature-card { border-right: 1px solid var(--gray-200); }
  .section--black .feature-card { border-right-color: var(--gray-800); }

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

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

  .feature-detail {
    grid-template-columns: 1fr;
  }
  .feature-detail__number {
    font-size: 3rem;
    padding: 2rem 2rem 0;
  }
  .feature-detail__content {
    padding: 1.5rem 2rem 2rem;
  }

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

  .footer__bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

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

@media (max-width: 480px) {
  .container { padding: 0 1.25rem; }
  .hero { padding-top: calc(var(--nav-height) + 3rem); padding-bottom: 3rem; }
}