/* ============================================================
   COMPONENTS — Your AI Guy SaaS Platform
   ============================================================ */

/* ---- SKIP LINK ---- */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-4);
  padding: var(--space-2) var(--space-4);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  font-size: var(--text-sm);
  border-radius: var(--radius-md);
  z-index: 200;
  text-decoration: none;
}
.skip-link:focus {
  top: var(--space-4);
}

/* ---- HEADER / NAV ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: oklch(from var(--color-bg) l c h / 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1),
              border-color 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.site-header--scrolled {
  border-bottom-color: var(--color-divider);
  box-shadow: var(--shadow-sm);
}
.site-header--hidden {
  transform: translateY(-100%);
}
.header-inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: var(--space-3) var(--space-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}
.logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  color: var(--color-text);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: var(--text-sm);
  letter-spacing: -0.01em;
}
.logo svg {
  flex-shrink: 0;
}
.logo-text {
  white-space: nowrap;
}

.nav-desktop {
  display: none;
  align-items: center;
  gap: var(--space-6);
}
@media (min-width: 768px) {
  .nav-desktop { display: flex; }
}
.nav-desktop a {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color var(--transition-interactive);
}
.nav-desktop a:hover {
  color: var(--color-text);
}
.nav-desktop a.active {
  color: var(--color-primary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

/* Mobile hamburger */
.hamburger {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  color: var(--color-text);
  cursor: pointer;
}
@media (min-width: 768px) {
  .hamburger { display: none; }
}

/* Mobile nav overlay */
.mobile-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 150;
  background: var(--color-bg);
  display: flex;
  flex-direction: column;
  padding: var(--space-16) var(--space-6);
  gap: var(--space-6);
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}
.mobile-nav--open {
  transform: translateX(0);
}
.mobile-nav a {
  font-family: var(--font-body);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-text);
  text-decoration: none;
  transition: color var(--transition-interactive);
}
.mobile-nav a:hover {
  color: var(--color-primary);
}
.mobile-nav-close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text);
  cursor: pointer;
}

/* Theme toggle */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: color var(--transition-interactive),
              background var(--transition-interactive);
}
.theme-toggle:hover {
  color: var(--color-text);
  background: var(--color-surface-offset);
}

/* ---- BUTTONS ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
  min-height: 44px;
  transition: background var(--transition-interactive),
              color var(--transition-interactive),
              box-shadow var(--transition-interactive),
              transform var(--transition-interactive),
              border-color var(--transition-interactive);
}
.btn:active {
  transform: translateY(0) !important;
  box-shadow: var(--shadow-sm) !important;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border: 1px solid var(--color-primary);
}
.btn-primary:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}
.btn-secondary:hover {
  background: var(--color-primary-highlight);
  transform: translateY(-1px);
}

.btn-accent {
  background: var(--color-accent);
  color: #fff;
  border: 1px solid var(--color-accent);
}
.btn-accent:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}
.btn-ghost:hover {
  color: var(--color-text);
  background: var(--color-surface-offset);
  border-color: var(--color-text-muted);
}

.btn-light {
  background: rgba(255,255,255,0.15);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.25);
  backdrop-filter: blur(8px);
}
.btn-light:hover {
  background: rgba(255,255,255,0.25);
  border-color: rgba(255,255,255,0.4);
  transform: translateY(-1px);
}

.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
  min-height: 36px;
}
.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
  min-height: 52px;
}

/* ---- BADGE ---- */
.badge {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.badge-primary {
  background: var(--color-primary-highlight);
  color: var(--color-primary);
}
.badge-accent {
  background: var(--color-accent-highlight);
  color: var(--color-accent);
}
.badge-popular {
  background: var(--color-accent);
  color: #fff;
}

/* ---- CONTAINER ---- */
.container {
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-4);
}
.container-narrow {
  max-width: var(--content-default);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

/* ---- SECTIONS ---- */
.section {
  padding-block: clamp(var(--space-12), 8vw, var(--space-24));
}
.section-dark {
  background: var(--color-navy);
  color: var(--color-text-inverse);
}
.section-alt {
  background: var(--color-surface-offset);
}
.section-label {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}
.section-dark .section-label {
  color: var(--color-accent);
}
.section-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 600;
  line-height: 1.15;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}
.section-dark .section-title {
  color: #fff;
}
.section-subtitle {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 60ch;
  line-height: 1.5;
}
.section-dark .section-subtitle {
  color: rgba(255,255,255,0.7);
}

/* ---- HERO ---- */
.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--color-navy);
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, rgba(15,22,41,0.5) 0%, rgba(15,22,41,0.85) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: var(--space-24) var(--space-4) var(--space-16);
}
.hero h1 {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 700;
  color: #fff;
  line-height: 1.1;
  margin-bottom: var(--space-6);
  max-width: 16ch;
}
.hero h1 .accent {
  color: var(--color-accent);
}
[data-theme="dark"] .hero h1 .accent {
  color: var(--color-accent);
}
.hero-sub {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  color: rgba(255,255,255,0.75);
  max-width: 48ch;
  line-height: 1.6;
  margin-bottom: var(--space-8);
}
.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}
/* The memorable diagonal line accent element */
.hero-line {
  position: absolute;
  top: 15%;
  right: 8%;
  width: 2px;
  height: 40%;
  background: linear-gradient(180deg, transparent, var(--color-primary), var(--color-accent), transparent);
  transform: rotate(15deg);
  opacity: 0.6;
  z-index: 2;
}
@media (max-width: 767px) {
  .hero-line { display: none; }
}

/* ---- THESIS ---- */
.thesis-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}
@media (min-width: 768px) {
  .thesis-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
  }
}
.thesis-point {
  display: flex;
  gap: var(--space-4);
}
.thesis-point-number {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-highlight);
  color: var(--color-primary);
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 700;
}
.thesis-point h3 {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}
.thesis-point p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.6;
}
.thesis-quote {
  margin-top: var(--space-8);
  padding: var(--space-6) var(--space-8);
  border-left: 3px solid var(--color-accent);
  background: var(--color-surface);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
}
.thesis-quote blockquote {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 500;
  color: var(--color-text);
  line-height: 1.4;
  font-style: italic;
  max-width: 100%;
}

/* ---- PRODUCT / SERVICE CARDS ---- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(300px, 100%), 1fr));
  gap: var(--space-6);
}
.card-grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}
@media (min-width: 768px) {
  .card-grid-2 {
    grid-template-columns: 1fr 1fr;
  }
}

.product-card {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  transition: box-shadow var(--transition-interactive),
              border-color var(--transition-interactive);
}
.product-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}

.product-card-popular {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 1px var(--color-accent);
}
.product-card-popular:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md), 0 0 0 1px var(--color-accent);
}

.card-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--color-primary-highlight);
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}
.card-icon-accent {
  background: var(--color-accent-highlight);
  color: var(--color-accent);
}

.card-title {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}
.card-desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: var(--space-4);
  flex: 1;
}
.card-price {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}
.card-price .price-period {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 400;
  color: var(--color-text-muted);
}
.card-features {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--space-6) 0;
}
.card-features li {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  padding: var(--space-2) 0;
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  max-width: 100%;
}
.card-features li::before {
  content: '';
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  margin-top: 2px;
  background: var(--color-success);
  mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'%3E%3C/polyline%3E%3C/svg%3E");
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'%3E%3C/polyline%3E%3C/svg%3E");
  mask-size: contain;
  -webkit-mask-size: contain;
}

.popular-badge {
  position: absolute;
  top: calc(0px - var(--space-3));
  right: var(--space-4);
}

/* Packages within premium cards */
.package-list {
  margin-bottom: var(--space-4);
}
.package-item {
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-divider);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--text-sm);
}
.package-item:last-child { border-bottom: none; }
.package-name { font-weight: 600; color: var(--color-text); }
.package-price { color: var(--color-text-muted); }

/* ---- HOW IT WORKS ---- */
.steps-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}
@media (min-width: 768px) {
  .steps-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
  }
}
.step {
  text-align: center;
  position: relative;
}
.step-number {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: #fff;
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: 700;
  margin: 0 auto var(--space-4);
}
.step h3 {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}
.section-dark .step h3 { color: #fff; }
.step p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  max-width: 28ch;
  margin: 0 auto;
  line-height: 1.6;
}
.section-dark .step p { color: rgba(255,255,255,0.6); }
.section-dark .step-number {
  background: var(--color-accent);
  color: var(--color-navy);
}

/* Step connector line (desktop) */
@media (min-width: 768px) {
  .step:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 28px;
    left: calc(50% + 36px);
    width: calc(100% - 72px);
    height: 2px;
    background: var(--color-divider);
  }
  .section-dark .step:not(:last-child)::after {
    background: rgba(255,255,255,0.15);
  }
}

/* ---- TESTIMONIALS ---- */
.testimonial-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}
@media (min-width: 768px) {
  .testimonial-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
.testimonial {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}
.testimonial-quote {
  font-size: var(--text-base);
  color: var(--color-text);
  line-height: 1.7;
  margin-bottom: var(--space-4);
  font-style: italic;
}
.testimonial-quote::before {
  content: '\201C';
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  color: var(--color-primary);
  line-height: 0;
  vertical-align: -0.5em;
  margin-right: var(--space-1);
}
.testimonial-author {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-weight: 500;
}
.testimonial-author strong {
  color: var(--color-text);
}

/* ---- ABOUT ---- */
.about-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}
@media (min-width: 768px) {
  .about-content {
    grid-template-columns: 2fr 1fr;
    gap: var(--space-12);
    align-items: start;
  }
}
.tool-logos {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  align-items: center;
  margin-top: var(--space-4);
}
.tool-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-muted);
}
.tool-logo svg {
  width: 20px;
  height: 20px;
}

/* ---- CONTACT / CTA ---- */
.cta-section {
  text-align: center;
}
.cta-section .section-title {
  color: #fff;
}
.cta-section .section-subtitle {
  margin-inline: auto;
  color: rgba(255,255,255,0.7);
}
.cta-embed {
  margin-top: var(--space-8);
  max-width: 640px;
  margin-inline: auto;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.cta-embed iframe {
  width: 100%;
  height: 500px;
  border: none;
}
.cta-email {
  margin-top: var(--space-6);
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.6);
}
.cta-email a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.cta-email a:hover {
  color: #fff;
}

/* ---- FOOTER ---- */
.site-footer {
  background: var(--color-navy);
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: var(--space-8) var(--space-4);
}
.footer-inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
@media (min-width: 768px) {
  .footer-inner {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}
.footer-brand {
  color: rgba(255,255,255,0.6);
  font-size: var(--text-sm);
}
.footer-brand strong {
  color: #fff;
  font-weight: 600;
}
.footer-tagline {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.4);
  margin-top: var(--space-1);
  font-style: italic;
}
.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  align-items: center;
}
.footer-links a {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.5);
  text-decoration: none;
  transition: color var(--transition-interactive);
}
.footer-links a:hover {
  color: #fff;
}
.footer-attribution {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.35);
  margin-top: var(--space-2);
}
.footer-attribution a {
  color: rgba(255,255,255,0.5);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.footer-attribution a:hover {
  color: rgba(255,255,255,0.8);
}

/* ---- SCROLL ANIMATIONS ---- */
.fade-in {
  opacity: 1;
}
@supports (animation-timeline: scroll()) {
  .fade-in {
    opacity: 0;
    animation: reveal-fade linear both;
    animation-timeline: view();
    animation-range: entry 0% entry 100%;
  }
}
@keyframes reveal-fade {
  to { opacity: 1; }
}

/* ---- DIVIDER ---- */
.section-divider {
  border: none;
  border-top: 1px solid var(--color-divider);
  margin: 0;
}