/* ============================================================
   DealForge Marketing Site Styles
   ============================================================ */

/* ── Navigation ── */
.df-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--df-nav-height);
  z-index: var(--df-z-sticky);
  display: flex;
  align-items: center;
  padding: 0 var(--df-space-8);
  transition: background var(--df-duration-slow) var(--df-ease),
              box-shadow var(--df-duration-slow) var(--df-ease),
              backdrop-filter var(--df-duration-slow) var(--df-ease);
}

.df-nav.is-scrolled {
  background: rgba(6, 13, 24, 0.85);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.06);
}

.df-nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--df-container-lg);
  margin: 0 auto;
}

.df-nav__logo {
  display: flex;
  align-items: center;
  gap: var(--df-space-3);
  font-family: var(--df-font-body);
  font-weight: var(--df-weight-bold);
  font-size: 1.125rem;
  color: #fff;
  letter-spacing: -0.02em;
}

.df-nav__logo-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--df-blue), var(--df-blue-bright));
  border-radius: var(--df-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  color: #fff;
}

.df-nav__links {
  display: flex;
  align-items: center;
  gap: var(--df-space-8);
}

.df-nav__link {
  font-size: var(--df-text-small);
  font-weight: var(--df-weight-medium);
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--df-duration) var(--df-ease);
  letter-spacing: 0.01em;
}

.df-nav__link:hover {
  color: #fff;
}

.df-nav__cta {
  display: inline-flex;
  align-items: center;
  gap: var(--df-space-2);
  padding: var(--df-space-2) var(--df-space-5);
  background: var(--df-blue);
  color: #fff;
  font-size: var(--df-text-small);
  font-weight: var(--df-weight-semibold);
  border-radius: var(--df-radius);
  transition: background var(--df-duration) var(--df-ease),
              box-shadow var(--df-duration) var(--df-ease),
              transform var(--df-duration) var(--df-ease);
}

.df-nav__cta:hover {
  background: var(--df-blue-bright);
  box-shadow: var(--df-shadow-blue);
  transform: translateY(-1px);
}

/* ── Hero Section ── */
.df-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--df-bg-deepest);
  padding: calc(var(--df-nav-height) + var(--df-space-16)) var(--df-space-8) var(--df-space-16);
}

.df-hero__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 20% 40%, rgba(59, 130, 246, 0.08), transparent),
    radial-gradient(ellipse 60% 50% at 80% 30%, rgba(99, 102, 241, 0.06), transparent),
    radial-gradient(ellipse 50% 40% at 50% 80%, rgba(16, 185, 129, 0.04), transparent);
}

.df-hero__grid {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 32px 32px;
}

.df-hero__inner {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--df-space-16);
  align-items: center;
  max-width: var(--df-container-lg);
  margin: 0 auto;
  width: 100%;
}

.df-hero__content {
  max-width: 600px;
}

.df-hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--df-space-2);
  padding: var(--df-space-1) var(--df-space-3);
  background: var(--df-blue-subtle);
  border: 1px solid var(--df-blue-border);
  border-radius: var(--df-radius-full);
  font-size: var(--df-text-micro);
  font-weight: var(--df-weight-medium);
  color: var(--df-blue-bright);
  margin-bottom: var(--df-space-6);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.df-hero__badge-dot {
  width: 6px;
  height: 6px;
  background: var(--df-green);
  border-radius: 50%;
  animation: df-pulse 2s ease-in-out infinite;
}

@keyframes df-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.df-hero__headline {
  font-family: var(--df-font-display);
  font-size: var(--df-text-display);
  font-weight: var(--df-weight-normal);
  color: var(--df-text-primary);
  line-height: var(--df-leading-tight);
  margin-bottom: var(--df-space-4);
}

.df-hero__subheadline {
  font-family: var(--df-font-display);
  font-size: var(--df-text-display-2);
  font-weight: var(--df-weight-normal);
  color: var(--df-blue-bright);
  line-height: var(--df-leading-tight);
  margin-bottom: var(--df-space-6);
}

.df-hero__body {
  font-size: 1.0625rem;
  color: var(--df-text-secondary);
  line-height: var(--df-leading-relaxed);
  margin-bottom: var(--df-space-8);
  max-width: 520px;
}

.df-hero__actions {
  display: flex;
  align-items: center;
  gap: var(--df-space-4);
  margin-bottom: var(--df-space-8);
}

.df-hero__screenshot {
  position: relative;
}

.df-hero__screenshot-img {
  width: 100%;
  border-radius: var(--df-radius-lg);
  border: 1px solid var(--df-border-2);
  box-shadow: var(--df-shadow-blue-lg), var(--df-shadow-lg);
  transform: perspective(1200px) rotateY(-3deg) rotateX(2deg);
  transition: transform 0.6s var(--df-ease);
}

.df-hero__screenshot:hover .df-hero__screenshot-img {
  transform: perspective(1200px) rotateY(-1deg) rotateX(1deg);
}

.df-hero__screenshot-glow {
  position: absolute;
  inset: -20%;
  background: radial-gradient(ellipse at center, rgba(59, 130, 246, 0.15), transparent 70%);
  z-index: -1;
  filter: blur(40px);
}

/* ── Buttons ── */
.df-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--df-space-2);
  font-family: var(--df-font-body);
  font-weight: var(--df-weight-semibold);
  border-radius: var(--df-radius);
  transition: all var(--df-duration) var(--df-ease);
  cursor: pointer;
  white-space: nowrap;
  text-decoration: none;
}

.df-btn--primary {
  padding: var(--df-space-3) var(--df-space-6);
  background: var(--df-blue);
  color: #fff;
  font-size: var(--df-text-body);
}

.df-btn--primary:hover {
  background: var(--df-blue-bright);
  box-shadow: var(--df-shadow-blue);
  transform: translateY(-1px);
}

.df-btn--primary-lg {
  padding: var(--df-space-4) var(--df-space-8);
  font-size: 1rem;
}

.df-btn--ghost {
  padding: var(--df-space-3) var(--df-space-6);
  background: transparent;
  color: var(--df-text-secondary);
  font-size: var(--df-text-body);
  border: 1px solid var(--df-border-3);
}

.df-btn--ghost:hover {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.05);
}

.df-btn--ghost-lg {
  padding: var(--df-space-4) var(--df-space-8);
  font-size: 1rem;
}

/* dark buttons for light sections */
.df-btn--dark {
  padding: var(--df-space-3) var(--df-space-6);
  background: var(--df-bg-base);
  color: #fff;
  font-size: var(--df-text-body);
}

.df-btn--dark:hover {
  background: var(--df-bg-surface);
  box-shadow: var(--df-shadow-md);
  transform: translateY(-1px);
}

/* ── Stats Ticker ── */
.df-ticker {
  background: var(--df-bg-base);
  border-top: 1px solid var(--df-border);
  border-bottom: 1px solid var(--df-border);
  padding: var(--df-space-5) 0;
  overflow: hidden;
}

.df-ticker__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--df-space-12);
  max-width: var(--df-container-lg);
  margin: 0 auto;
  padding: 0 var(--df-space-6);
}

.df-ticker__item {
  display: flex;
  align-items: center;
  gap: var(--df-space-3);
  white-space: nowrap;
}

.df-ticker__value {
  font-family: var(--df-font-mono);
  font-size: 1.5rem;
  font-weight: var(--df-weight-bold);
  color: var(--df-blue-bright);
  font-feature-settings: 'tnum' 1;
}

.df-ticker__label {
  font-size: var(--df-text-small);
  color: var(--df-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: var(--df-weight-medium);
}

.df-ticker__sep {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--df-text-muted);
  flex-shrink: 0;
}

/* ── Section ── */
.df-section {
  padding: var(--df-space-24) var(--df-space-8);
}

.df-section--dark {
  background: var(--df-bg-deepest);
  color: var(--df-text-primary);
}

.df-section--surface {
  background: var(--df-bg-base);
  color: var(--df-text-primary);
}

.df-section--light {
  background: var(--df-bg-light);
  color: var(--df-text-dark);
}

.df-section--white {
  background: var(--df-bg-white);
  color: var(--df-text-dark);
}

.df-section__header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto var(--df-space-16);
}

.df-section__pill {
  display: inline-flex;
  align-items: center;
  gap: var(--df-space-2);
  padding: var(--df-space-1) var(--df-space-3);
  border-radius: var(--df-radius-full);
  font-size: var(--df-text-micro);
  font-weight: var(--df-weight-semibold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--df-space-4);
}

.df-section--dark .df-section__pill,
.df-section--surface .df-section__pill {
  background: var(--df-blue-subtle);
  color: var(--df-blue-bright);
  border: 1px solid var(--df-blue-border);
}

.df-section--light .df-section__pill,
.df-section--white .df-section__pill {
  background: rgba(59, 130, 246, 0.08);
  color: var(--df-blue-dim);
  border: 1px solid rgba(59, 130, 246, 0.15);
}

.df-section__title {
  font-family: var(--df-font-display);
  font-size: var(--df-text-h1);
  font-weight: var(--df-weight-normal);
  line-height: var(--df-leading-tight);
  margin-bottom: var(--df-space-4);
}

.df-section__subtitle {
  font-size: 1.0625rem;
  line-height: var(--df-leading-relaxed);
  max-width: 600px;
  margin: 0 auto;
}

.df-section--dark .df-section__subtitle,
.df-section--surface .df-section__subtitle {
  color: var(--df-text-secondary);
}

.df-section--light .df-section__subtitle,
.df-section--white .df-section__subtitle {
  color: var(--df-text-dark-3);
}

/* ── Pain Point Cards ── */
.df-pain-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--df-space-6);
  max-width: var(--df-container);
  margin: 0 auto;
}

.df-pain-card {
  background: var(--df-bg-surface);
  border: 1px solid var(--df-border);
  border-radius: var(--df-radius-lg);
  padding: var(--df-space-8);
  transition: border-color var(--df-duration) var(--df-ease),
              transform var(--df-duration) var(--df-ease);
}

.df-pain-card:hover {
  border-color: var(--df-border-3);
  transform: translateY(-2px);
}

.df-pain-card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--df-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  margin-bottom: var(--df-space-5);
  background: var(--df-red-glow);
  color: var(--df-red);
}

.df-pain-card__stat {
  font-family: var(--df-font-mono);
  font-size: 1.75rem;
  font-weight: var(--df-weight-bold);
  color: var(--df-text-primary);
  margin-bottom: var(--df-space-2);
  font-feature-settings: 'tnum' 1;
}

.df-pain-card__title {
  font-size: var(--df-text-body);
  font-weight: var(--df-weight-semibold);
  color: var(--df-text-primary);
  margin-bottom: var(--df-space-2);
}

.df-pain-card__desc {
  font-size: var(--df-text-small);
  color: var(--df-text-tertiary);
  line-height: var(--df-leading-normal);
}

/* ── Product Cards ── */
.df-product-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--df-space-6);
  max-width: var(--df-container);
  margin: 0 auto;
}

.df-product-card {
  background: var(--df-bg-surface);
  border: 1px solid var(--df-border);
  border-radius: var(--df-radius-lg);
  padding: var(--df-space-8);
  transition: border-color var(--df-duration) var(--df-ease),
              box-shadow var(--df-duration-slow) var(--df-ease),
              transform var(--df-duration) var(--df-ease);
}

.df-product-card:hover {
  border-color: var(--df-blue-border);
  box-shadow: var(--df-shadow-blue);
  transform: translateY(-3px);
}

.df-product-card__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--df-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: var(--df-space-5);
  background: var(--df-blue-subtle);
  color: var(--df-blue);
}

.df-product-card__name {
  font-size: var(--df-text-h3);
  font-weight: var(--df-weight-bold);
  color: var(--df-text-primary);
  margin-bottom: var(--df-space-2);
}

.df-product-card__desc {
  font-size: var(--df-text-body);
  color: var(--df-text-secondary);
  line-height: var(--df-leading-normal);
  margin-bottom: var(--df-space-5);
}

.df-product-card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--df-space-2);
  font-size: var(--df-text-small);
  font-weight: var(--df-weight-semibold);
  color: var(--df-blue);
  transition: gap var(--df-duration) var(--df-ease);
}

.df-product-card__link:hover {
  gap: var(--df-space-3);
}

/* ── Social Proof ── */
.df-proof {
  max-width: var(--df-container);
  margin: 0 auto;
}

.df-proof__logos {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--df-space-10);
  margin-bottom: var(--df-space-12);
  flex-wrap: wrap;
}

.df-proof__logo {
  display: flex;
  align-items: center;
  gap: var(--df-space-3);
  padding: var(--df-space-3) var(--df-space-5);
  background: var(--df-bg-surface);
  border: 1px solid var(--df-border);
  border-radius: var(--df-radius);
  font-size: var(--df-text-small);
  font-weight: var(--df-weight-medium);
  color: var(--df-text-tertiary);
}

.df-proof__logo i {
  font-size: 1rem;
  color: var(--df-text-muted);
}

.df-testimonials {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--df-space-6);
}

.df-testimonial {
  background: var(--df-bg-surface);
  border: 1px solid var(--df-border);
  border-left: 3px solid var(--df-blue);
  border-radius: var(--df-radius-lg);
  padding: var(--df-space-6);
}

.df-testimonial__quote {
  font-size: var(--df-text-body);
  color: var(--df-text-secondary);
  line-height: var(--df-leading-relaxed);
  margin-bottom: var(--df-space-5);
  font-style: italic;
}

.df-testimonial__author {
  font-size: var(--df-text-small);
  font-weight: var(--df-weight-semibold);
  color: var(--df-text-primary);
}

.df-testimonial__role {
  font-size: var(--df-text-micro);
  color: var(--df-text-tertiary);
  margin-top: 2px;
}

/* ── CTA Section ── */
.df-cta-section {
  text-align: center;
  padding: var(--df-space-24) var(--df-space-8);
  background: linear-gradient(180deg, var(--df-bg-base) 0%, var(--df-bg-deepest) 100%);
  position: relative;
}

.df-cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--df-blue-border), transparent);
}

.df-cta-section__title {
  font-family: var(--df-font-display);
  font-size: var(--df-text-h1);
  color: var(--df-text-primary);
  margin-bottom: var(--df-space-4);
}

.df-cta-section__subtitle {
  font-size: 1.0625rem;
  color: var(--df-text-secondary);
  margin-bottom: var(--df-space-8);
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

/* ── Footer ── */
.df-footer {
  background: var(--df-bg-deepest);
  border-top: 1px solid var(--df-border);
  padding: var(--df-space-12) var(--df-space-8) var(--df-space-8);
}

.df-footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  max-width: var(--df-container);
  margin: 0 auto;
  gap: var(--df-space-16);
}

.df-footer__brand {
  max-width: 300px;
}

.df-footer__logo {
  font-size: 1.125rem;
  font-weight: var(--df-weight-bold);
  color: var(--df-text-primary);
  margin-bottom: var(--df-space-3);
  display: flex;
  align-items: center;
  gap: var(--df-space-3);
}

.df-footer__tagline {
  font-size: var(--df-text-small);
  color: var(--df-text-tertiary);
  line-height: var(--df-leading-normal);
  margin-bottom: var(--df-space-4);
}

.df-footer__backed {
  display: inline-flex;
  align-items: center;
  gap: var(--df-space-2);
  font-size: var(--df-text-micro);
  color: var(--df-text-muted);
  padding: var(--df-space-1) var(--df-space-3);
  border: 1px solid var(--df-border);
  border-radius: var(--df-radius-sm);
}

.df-footer__columns {
  display: flex;
  gap: var(--df-space-16);
}

.df-footer__col-title {
  font-size: var(--df-text-micro);
  font-weight: var(--df-weight-semibold);
  color: var(--df-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--df-space-4);
}

.df-footer__col-link {
  display: block;
  font-size: var(--df-text-small);
  color: var(--df-text-tertiary);
  padding: var(--df-space-1) 0;
  transition: color var(--df-duration) var(--df-ease);
}

.df-footer__col-link:hover {
  color: var(--df-text-primary);
}

.df-footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: var(--df-container);
  margin: var(--df-space-8) auto 0;
  padding-top: var(--df-space-6);
  border-top: 1px solid var(--df-border);
  font-size: var(--df-text-micro);
  color: var(--df-text-muted);
}

/* ── Responsive ── */
@media (max-width: 1200px) {
  .df-hero__inner {
    gap: var(--df-space-10);
  }
}

@media (max-width: 1024px) {
  .df-hero__inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .df-hero__content {
    max-width: 640px;
    margin: 0 auto;
  }
  .df-hero__body {
    margin-left: auto;
    margin-right: auto;
  }
  .df-hero__actions {
    justify-content: center;
  }
  .df-hero__screenshot {
    max-width: 700px;
    margin: 0 auto;
  }
  .df-hero__screenshot-img {
    transform: none;
  }
  .df-pain-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .df-testimonials {
    grid-template-columns: 1fr;
    max-width: 600px;
    margin: 0 auto;
  }
  .df-footer__inner {
    flex-direction: column;
    gap: var(--df-space-8);
  }
}

@media (max-width: 768px) {
  .df-section {
    padding: var(--df-space-16) var(--df-space-5);
  }
  .df-nav__links {
    display: none;
  }
  .df-pain-grid {
    grid-template-columns: 1fr;
  }
  .df-product-grid {
    grid-template-columns: 1fr;
  }
  .df-ticker__inner {
    flex-direction: column;
    gap: var(--df-space-4);
  }
  .df-ticker__sep {
    display: none;
  }
  .df-proof__logos {
    gap: var(--df-space-4);
  }
  .df-footer__columns {
    flex-direction: column;
    gap: var(--df-space-6);
  }
}