/* =============================================================================
   ENIGMATCH LANDING PAGE - MAIN STYLES
   =============================================================================

   TABLE OF CONTENTS:
   1. Layout & Container
   2. Header & Navigation
   3. Buttons
   4. Hero Section
   5. Problem Section
   6. Solution Section
   7. How It Works Section
   8. Candidate Preview Section
   9. Features Section
   10. Enigma Examples Section
   11. Social Proof Section
   12. CTA Section
   13. Footer
   14. Utilities

   ============================================================================= */

/* =============================================================================
   1. LAYOUT & CONTAINER
   ============================================================================= */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

.container--narrow {
  max-width: var(--container-narrow);
}

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

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

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

.section__header {
  margin-bottom: var(--space-10);
}

.section__label {
  display: inline-block;
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-3);
}

.section__title {
  font-size: var(--text-4xl);
  font-weight: var(--font-bold);
  margin-bottom: var(--space-4);
}

.section__subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  max-width: 600px;
}

/* =============================================================================
   2. HEADER & NAVIGATION
   ============================================================================= */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border-light);
  transition: box-shadow var(--transition-base);
}

.header--scrolled {
  box-shadow: var(--shadow-md);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--color-text-primary);
}

.header__logo-icon {
  width: 32px;
  height: 32px;
  background-color: var(--color-accent);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: var(--font-bold);
  font-size: var(--text-sm);
}

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

.header__nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.header__nav-link {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

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

.header__mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: var(--space-2);
}

.header__mobile-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background-color: var(--color-text-primary);
  transition: var(--transition-fast);
}

/* Mobile navigation */
@media (max-width: 768px) {
  .header__nav-links {
    display: none;
  }

  .header__mobile-toggle {
    display: flex;
  }

  .header__nav-links--open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background-color: var(--color-bg-primary);
    padding: var(--space-6);
    border-bottom: 1px solid var(--color-border-light);
    gap: var(--space-4);
  }
}

/* =============================================================================
   3. BUTTONS
   ============================================================================= */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn--primary {
  background-color: var(--color-accent);
  color: var(--color-text-inverse);
}

.btn--primary:hover {
  background-color: var(--color-accent-light);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn--secondary {
  background-color: transparent;
  color: var(--color-text-primary);
  border: 1px solid var(--color-border-medium);
}

.btn--secondary:hover {
  background-color: var(--color-bg-tertiary);
  border-color: var(--color-border-medium);
}

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

.btn--ghost:hover {
  background-color: var(--color-accent-subtle);
}

.btn--large {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
}

/* =============================================================================
   4. HERO SECTION
   ============================================================================= */

.hero {
  padding-top: calc(64px + var(--space-16));
  padding-bottom: var(--section-padding-y);
  background: linear-gradient(180deg, var(--color-bg-secondary) 0%, var(--color-bg-primary) 100%);
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
}

.hero__content {
  max-width: 560px;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  background-color: var(--color-accent-subtle);
  color: var(--color-accent-dark);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-6);
}

.hero__title {
  font-size: var(--text-5xl);
  font-weight: var(--font-extrabold);
  line-height: var(--leading-tight);
  margin-bottom: var(--space-6);
}

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

.hero__description {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-8);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.hero__visual {
  position: relative;
}

.hero__image-wrapper {
  position: relative;
  background-color: var(--color-bg-tertiary);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--color-border-light);
}

.hero__image-placeholder {
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.hero__image {
  width: 100%;
  height: auto;
  display: block;
}

/* Hero floating stats */
.hero__stat {
  position: absolute;
  background-color: var(--color-bg-primary);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border-light);
}

.hero__stat--top {
  top: -16px;
  right: -16px;
}

.hero__stat--bottom {
  bottom: 24px;
  left: -24px;
}

.hero__stat-value {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  color: var(--color-accent);
}

.hero__stat-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

@media (max-width: 968px) {
  .hero__inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero__content {
    max-width: 100%;
  }

  .hero__actions {
    justify-content: center;
  }

  .hero__visual {
    order: -1;
    max-width: 500px;
    margin-inline: auto;
  }

  .hero__stat--top {
    top: -8px;
    right: 8px;
  }

  .hero__stat--bottom {
    bottom: 16px;
    left: 8px;
  }
}

/* =============================================================================
   5. PROBLEM SECTION
   ============================================================================= */

.problem {
  background-color: var(--color-bg-dark);
  color: var(--color-text-inverse);
}

.problem__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

.problem__item {
  padding: var(--space-6);
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.problem__icon {
  width: 48px;
  height: 48px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
  font-size: var(--text-xl);
}

.problem__item-title {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-2);
}

.problem__item-desc {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.7);
  line-height: var(--leading-relaxed);
}

@media (max-width: 768px) {
  .problem__grid {
    grid-template-columns: 1fr;
  }
}

/* =============================================================================
   6. SOLUTION SECTION
   ============================================================================= */

.solution__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.solution__content {
  max-width: 480px;
}

.solution__description {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-8);
}

.solution__comparison {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.solution__comparison-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4);
  border-radius: var(--radius-md);
}

.solution__comparison-item--old {
  background-color: var(--color-bg-tertiary);
}

.solution__comparison-item--new {
  background-color: var(--color-accent-subtle);
}

.solution__comparison-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-sm);
}

.solution__comparison-item--old .solution__comparison-icon {
  background-color: var(--color-border-medium);
  color: var(--color-text-muted);
}

.solution__comparison-item--new .solution__comparison-icon {
  background-color: var(--color-accent);
  color: white;
}

.solution__comparison-text {
  font-size: var(--text-sm);
  line-height: var(--leading-normal);
}

.solution__comparison-item--old .solution__comparison-text {
  color: var(--color-text-muted);
  text-decoration: line-through;
}

.solution__visual {
  position: relative;
}

.solution__image-wrapper {
  background-color: var(--color-bg-tertiary);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border-light);
}

.solution__image-placeholder {
  aspect-ratio: 16 / 10;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.solution__image {
  width: 100%;
  height: auto;
  display: block;
}

@media (max-width: 968px) {
  .solution__inner {
    grid-template-columns: 1fr;
  }

  .solution__content {
    max-width: 100%;
  }

  .solution__visual {
    order: -1;
  }
}

/* =============================================================================
   7. HOW IT WORKS SECTION
   ============================================================================= */

.how-it-works__steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
  position: relative;
}

/* Connecting line between steps */
.how-it-works__steps::before {
  content: '';
  position: absolute;
  top: 40px;
  left: calc(16.67% + 24px);
  right: calc(16.67% + 24px);
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent) 0%, var(--color-accent-light) 100%);
}

.how-it-works__step {
  position: relative;
  text-align: center;
}

.how-it-works__step-number {
  width: 48px;
  height: 48px;
  background-color: var(--color-accent);
  color: white;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  margin: 0 auto var(--space-6);
  position: relative;
  z-index: 1;
}

.how-it-works__step-title {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-2);
}

.how-it-works__step-desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

@media (max-width: 768px) {
  .how-it-works__steps {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }

  .how-it-works__steps::before {
    display: none;
  }

  .how-it-works__step {
    display: grid;
    grid-template-columns: 48px 1fr;
    gap: var(--space-4);
    text-align: left;
  }

  .how-it-works__step-number {
    margin: 0;
    grid-row: span 2;
  }

  .how-it-works__step-title {
    align-self: end;
    margin-bottom: 0;
  }

  .how-it-works__step-desc {
    align-self: start;
  }
}

/* =============================================================================
   8. CANDIDATE PREVIEW SECTION
   ============================================================================= */

.candidate-preview {
  background-color: var(--color-bg-secondary);
}

.candidate-preview__inner {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: var(--space-12);
  align-items: center;
}

.candidate-preview__content {
  max-width: 400px;
}

.candidate-preview__description {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-6);
}

.candidate-preview__features {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.candidate-preview__feature {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.candidate-preview__feature-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  background-color: var(--color-accent-subtle);
  color: var(--color-accent);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
}

.candidate-preview__visual {
  position: relative;
}

.candidate-preview__mockup {
  background-color: transparent;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--color-border-medium);
}

/* Removed candidate-preview__mockup-header styles */

.candidate-preview__mockup-body {
  /* No background color needed as image covers it */
  line-height: 0; /* Removes potential whitespace below image */
}

/* Removed candidate-preview__mockup-main/sidebar/placeholder styles */

.candidate-preview__image {
  width: 100%;
  height: auto;
  display: block;
}

@media (max-width: 968px) {
  .candidate-preview__inner {
    grid-template-columns: 1fr;
  }

  .candidate-preview__content {
    max-width: 100%;
  }

  .candidate-preview__visual {
    order: -1;
  }
}

/* =============================================================================
   9. FEATURES SECTION
   ============================================================================= */

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

.feature-card {
  padding: var(--space-6);
  background-color: var(--color-bg-primary);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

.feature-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.feature-card__icon {
  width: 40px;
  height: 40px;
  background-color: var(--color-accent-subtle);
  color: var(--color-accent);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
  font-size: var(--text-lg);
}

.feature-card__title {
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-2);
}

.feature-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

@media (max-width: 968px) {
  .features__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .features__grid {
    grid-template-columns: 1fr;
  }
}

/* =============================================================================
   10. ENIGMA EXAMPLES SECTION
   ============================================================================= */

.enigma-examples {
  background-color: var(--color-bg-secondary);
}

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

.enigma-card {
  background-color: var(--color-bg-primary);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
}

.enigma-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.enigma-card__header {
  padding: var(--space-4);
  background-color: var(--color-bg-tertiary);
  border-bottom: 1px solid var(--color-border-light);
}

.enigma-card__category {
  display: inline-block;
  padding: var(--space-1) var(--space-2);
  background-color: var(--color-accent-subtle);
  color: var(--color-accent-dark);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.enigma-card__body {
  padding: var(--space-5);
}

.enigma-card__title {
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-3);
  line-height: var(--leading-snug);
}

.enigma-card__preview {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

.enigma-card__footer {
  padding: var(--space-4);
  border-top: 1px solid var(--color-border-light);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.enigma-card__meta {
  display: flex;
  gap: var(--space-4);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.enigma-card__meta-item {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

@media (max-width: 968px) {
  .enigma-examples__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .enigma-examples__grid {
    grid-template-columns: 1fr;
  }
}

/* =============================================================================
   11. SOCIAL PROOF SECTION
   ============================================================================= */

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

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

.social-proof__logo {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  opacity: 0.6;
}

.social-proof__testimonial {
  max-width: 700px;
  margin-inline: auto;
  padding: var(--space-8);
  background-color: var(--color-bg-secondary);
  border-radius: var(--radius-xl);
}

.social-proof__quote {
  font-size: var(--text-xl);
  font-style: italic;
  color: var(--color-text-primary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-6);
}

.social-proof__author {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
}

.social-proof__author-avatar {
  width: 48px;
  height: 48px;
  background-color: var(--color-bg-tertiary);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.social-proof__author-info {
  text-align: left;
}

.social-proof__author-name {
  font-weight: var(--font-semibold);
  font-size: var(--text-sm);
}

.social-proof__author-role {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* =============================================================================
   12. CTA SECTION
   ============================================================================= */

.cta {
  background-color: var(--color-bg-dark);
  color: var(--color-text-inverse);
  text-align: center;
}

.cta__inner {
  max-width: 600px;
  margin-inline: auto;
}

.cta__title {
  font-size: var(--text-4xl);
  font-weight: var(--font-bold);
  margin-bottom: var(--space-4);
}

.cta__description {
  font-size: var(--text-lg);
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: var(--space-8);
}

.cta__form {
  display: flex;
  gap: var(--space-3);
  max-width: 440px;
  margin-inline: auto;
}

.cta__input {
  flex: 1;
  padding: var(--space-3) var(--space-4);
  background-color: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-md);
  color: white;
  font-size: var(--text-sm);
}

.cta__input::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

.cta__input:focus {
  outline: none;
  border-color: var(--color-accent);
  background-color: rgba(255, 255, 255, 0.15);
}

.cta__submit {
  flex-shrink: 0;
}

.cta__note {
  margin-top: var(--space-4);
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.5);
}

@media (max-width: 500px) {
  .cta__form {
    flex-direction: column;
  }
}

/* =============================================================================
   13. FOOTER
   ============================================================================= */

.footer {
  padding: var(--space-12) 0;
  background-color: var(--color-bg-dark);
  color: rgba(255, 255, 255, 0.6);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer__logo {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  color: white;
}

.footer__links {
  display: flex;
  gap: var(--space-6);
}

.footer__link {
  font-size: var(--text-sm);
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: white;
}

.footer__copyright {
  width: 100%;
  text-align: center;
  margin-top: var(--space-8);
  padding-top: var(--space-8);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: var(--text-xs);
}

@media (max-width: 600px) {
  .footer__inner {
    flex-direction: column;
    text-align: center;
  }

  .footer__links {
    flex-wrap: wrap;
    justify-content: center;
  }
}

/* =============================================================================
   14. UTILITIES
   ============================================================================= */

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

.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;
}

/* Animation utilities */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fade-in-up {
  animation: fadeInUp 0.6s ease-out forwards;
}

.animate-delay-1 { animation-delay: 0.1s; }
.animate-delay-2 { animation-delay: 0.2s; }
.animate-delay-3 { animation-delay: 0.3s; }

/* =============================================================================
   15. LANGUAGE SWITCHER
   ============================================================================= */

.lang-switcher {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  margin-left: var(--space-4);
}

.lang-switcher__btn {
  padding: var(--space-1) var(--space-2);
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  color: var(--color-text-muted);
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.lang-switcher__btn:hover {
  color: var(--color-text-primary);
  background-color: var(--color-bg-tertiary);
}

.lang-switcher__btn--active {
  color: var(--color-accent);
  background-color: var(--color-accent-subtle);
  border-color: var(--color-accent);
}

@media (max-width: 768px) {
  .lang-switcher {
    margin-left: var(--space-2);
  }
}