/* ========================================
   Hacker Hermanos - Main Stylesheet
   ======================================== */

/* CSS Variables */
:root {
  --color-bg: #000000;
  --color-bg-secondary: #0a0a0a;
  --color-primary: #00ff00;
  --color-primary-dim: #00cc00;
  --color-text: #ffffff;
  --color-text-muted: #888888;
  --color-border: #1a1a1a;
  --color-card-bg: #111111;
  --font-main: 'Goldman', sans-serif;
  --font-heading: 'Goldman', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

html, body {
  border: none;
  outline: none;
  margin: 0;
  padding: 0;
}

html {
  background-color: var(--color-bg);
}

body {
  font-family: var(--font-main);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-dim);
}

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

/* Skip Link for Accessibility */
.skip-link {
  position: absolute;
  top: 0;
  left: 0;
  background: var(--color-primary);
  color: var(--color-bg);
  padding: 8px 16px;
  z-index: 1000;
  transform: translateY(-100%);
  opacity: 0;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.skip-link:focus {
  transform: translateY(0);
  opacity: 1;
}

/* ========================================
   Header & Navigation
   ======================================== */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(10px);
}

nav {
  max-width: 100%;
  margin: 0;
  padding: 1.5rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
}

.logo img {
  height: 95px;
  width: auto;
}

.nav-links {
  display: flex;
  gap: 3rem;
  list-style: none;
  align-items: center;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

.nav-links a {
  color: var(--color-text);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 0.5rem 0;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width var(--transition-normal);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-primary);
}

.social-links {
  display: flex;
  gap: 1.5rem;
}

.social-links a {
  color: var(--color-text);
  font-size: 1.5rem;
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.social-links a:hover {
  color: var(--color-primary);
  transform: translateY(-2px);
}

/* Mobile Navigation */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-text);
  font-size: 1.5rem;
  cursor: pointer;
}

@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.98);
    flex-direction: column;
    padding: 2rem;
    gap: 1.5rem;
    transform: translateX(0) translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition-normal), opacity var(--transition-normal);
  }

  .nav-links.active {
    transform: translateX(0) translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .social-links {
    display: none;
  }
}

/* ========================================
   Tagline Section
   ======================================== */
.tagline-section {
  background: var(--color-bg);
  padding: 180px 2rem 20px;
  text-align: center;
  position: relative;
  z-index: 1;
}

.tagline {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 400;
  margin: 0;
  display: inline-flex;
  justify-content: center;
  align-items: baseline;
}

.tagline-static {
  color: var(--color-text);
  margin-right: 0.3em;
  font-size: 0.7em;
}

.tagline-rotating {
  color: var(--color-primary);
  display: inline-block;
  text-align: left;
  white-space: nowrap;
  transition: width 0.5s ease;
  font-size: 0.7em;
}

.tagline-rotating .letter {
  display: inline-block;
  opacity: 0;
  transform: translateY(-20px);
  animation: letterDrop 0.4s ease forwards;
}

@keyframes letterDrop {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 768px) {
  .tagline-section {
    padding: 150px 2rem 40px;
  }

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

  .tagline-static {
    margin-right: 0;
    margin-bottom: 0.1em;
  }
}

/* ========================================
   Hero/Background Sections (Sticky Parallax)
   ======================================== */
.hero-bg {
  height: 50vh;
  background:
    linear-gradient(180deg, rgba(0,0,0,0.1) 0%, rgba(0,0,0,0.3) 100%),
    url('images/pattern-maze.webp') center/cover;
  background-attachment: fixed;
}

.hero-bg-bottom {
  height: 50vh;
  background:
    linear-gradient(180deg, rgba(0,0,0,0.3) 0%, rgba(0,0,0,0.1) 100%),
    url('images/pattern-maze.webp') center/cover;
  background-attachment: fixed;
}

@media (max-width: 768px) {
  /* Homepage gradient+pattern on mobile - keep pattern subtle */
  body:not(.page-about):not(.page-blog) {
    background:
      linear-gradient(180deg,
        rgba(0,0,0,0.95) 0%,
        rgba(0,0,0,0.9) 30%,
        rgba(0,0,0,0.85) 60%,
        rgba(0,0,0,0.75) 100%
      ),
      url('images/pattern-maze.webp') center/auto 100% no-repeat scroll;
  }

  .hero-bg,
  .hero-bg-bottom {
    display: none;
  }

  /* Make homepage sections transparent so body gradient shows through */
  body:not(.page-about):not(.page-blog) .tagline-section,
  body:not(.page-about):not(.page-blog) .video-section,
  body:not(.page-about):not(.page-blog) .cta-section {
    background: transparent;
  }

  /* Reduce video section top padding on homepage */
  body:not(.page-about):not(.page-blog) .video-section {
    padding-top: 1rem;
  }
}

/* ========================================
   Video Carousel
   ======================================== */
.video-section {
  padding: 4rem 2rem;
  background: var(--color-bg);
  position: relative;
  z-index: 1;
}

.video-section h2 {
  text-align: center;
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  font-weight: 400;
  margin-bottom: 3rem;
  color: var(--color-text);
  -webkit-text-stroke: 1px var(--color-primary);
  text-shadow: 0 0 2px var(--color-primary);
}

.carousel-container {
  max-width: 1400px;
  margin: 0 auto;
  position: relative;
  padding: 0 2rem;
}

.carousel {
  display: flex;
  gap: 2rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  padding: 2rem 0;
  -webkit-overflow-scrolling: touch;
  justify-content: flex-start;
}

.carousel::-webkit-scrollbar {
  height: 8px;
}

.carousel::-webkit-scrollbar-track {
  background: var(--color-border);
  border-radius: 4px;
}

.carousel::-webkit-scrollbar-thumb {
  background: var(--color-primary);
  border-radius: 4px;
}

.video-card {
  flex: 0 0 400px;
  scroll-snap-align: center;
  background: var(--color-card-bg);
  border: 2px solid var(--color-primary);
  border-radius: 8px;
  overflow: hidden;
  cursor: pointer;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  position: relative;
}

.video-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 20px 40px rgba(0, 255, 0, 0.2);
}

.video-card img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
}

.video-card .play-overlay {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 70px;
  height: 70px;
  background: rgba(0, 0, 0, 0.7);
  border: 2px solid var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.video-card:hover .play-overlay {
  background: var(--color-primary);
  transform: translate(-50%, -50%) scale(1.1);
}

.video-card .play-overlay::after {
  content: '';
  width: 0;
  height: 0;
  border-left: 18px solid var(--color-primary);
  border-top: 10px solid transparent;
  border-bottom: 10px solid transparent;
  margin-left: 4px;
}

.video-card:hover .play-overlay::after {
  border-left-color: var(--color-bg);
}

.video-card .video-title {
  display: none;
}

.video-card .video-number {
  position: absolute;
  bottom: 60px;
  left: 1rem;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  color: var(--color-primary);
  opacity: 0.8;
}

@media (max-width: 768px) {
  .video-card {
    flex: 0 0 70vw;
    max-width: 260px;
  }
}

/* ========================================
   Video Modal
   ======================================== */
.video-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.95);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.video-modal.active {
  display: flex;
}

.video-modal-content {
  position: relative;
  width: 100%;
  max-width: 900px;
  aspect-ratio: 16/9;
  background: var(--color-bg);
}

.video-modal iframe {
  width: 100%;
  height: 100%;
  border: none;
}

.video-modal-close {
  position: absolute;
  top: -40px;
  right: 0;
  background: none;
  border: none;
  color: var(--color-text);
  font-size: 2rem;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.video-modal-close:hover {
  color: var(--color-primary);
}

/* ========================================
   About Page
   ======================================== */

/* Full-page fading background for About */
.page-about {
  background:
    linear-gradient(180deg,
      rgba(0,0,0,1) 0%,
      rgba(0,0,0,0.9) 25%,
      rgba(0,0,0,0.75) 50%,
      rgba(0,0,0,0.55) 80%,
      rgba(0,0,0,0.4) 100%
    ),
    url('images/pattern-maze.webp') bottom center/cover no-repeat fixed;
  background-color: var(--color-bg);
}

@media (max-width: 768px) {
  .page-about {
    background:
      linear-gradient(180deg,
        rgba(0,0,0,0.95) 0%,
        rgba(0,0,0,0.9) 50%,
        rgba(0,0,0,0.7) 80%,
        rgba(0,0,0,0.4) 100%
      ),
      url('images/pattern-maze.webp') center/auto 100% no-repeat scroll;
  }
}

.about-hero {
  min-height: 50vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 160px 2rem 4rem;
  background: transparent;
}

.about-hero .subtitle {
  font-size: 0.875rem;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.about-hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 8vw, 5rem);
  color: var(--color-primary);
  font-style: italic;
  position: relative;
  text-shadow: 0 0 20px rgba(0, 255, 0, 0.3);
  margin-bottom: 2rem;
}

.about-hero h1::after {
  content: attr(data-text);
  display: block;
  position: absolute;
  left: 0;
  top: 0.15em;
  width: 100%;
  background: linear-gradient(to bottom, rgba(0, 255, 0, 0.3) 0%, transparent 80%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  z-index: -1;
  pointer-events: none;
}

/* Lottie Section */
.lottie-section {
  padding: 4rem 2rem;
  text-align: center;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.lottie-section h2 {
  color: var(--color-primary);
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.lottie-section p {
  color: var(--color-text-muted);
  margin-bottom: 2rem;
}

.lottie-container {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.lottie-player {
  width: 150px;
  height: 150px;
}

.lottie-arrow {
  width: 80px;
}

/* Goal Section */
.goal-section {
  padding: 4rem 2rem;
  max-width: 900px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 3rem;
  align-items: start;
}

.goal-section h2 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  letter-spacing: 4px;
  text-transform: uppercase;
  border-bottom: 2px solid var(--color-primary);
  padding-bottom: 1rem;
}

.goal-content p {
  margin-bottom: 1rem;
  color: var(--color-text);
}

.goal-content strong {
  color: var(--color-primary);
}

@media (max-width: 768px) {
  .goal-section {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

/* Credentials Section */
.credentials-section {
  padding: 4rem 2rem;
  max-width: 900px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 3rem;
  align-items: start;
  border-top: 1px solid var(--color-border);
}

.credentials-section h2 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  letter-spacing: 4px;
  text-transform: uppercase;
  border-bottom: 2px solid var(--color-primary);
  padding-bottom: 1rem;
}

.credentials-list {
  list-style: none;
}

.credentials-list li {
  margin-bottom: 0.75rem;
  padding-left: 1rem;
  position: relative;
}

.credentials-list li::before {
  content: '-';
  position: absolute;
  left: 0;
  color: var(--color-primary);
}

.credentials-list strong {
  color: var(--color-primary);
}

@media (max-width: 768px) {
  .credentials-section {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

/* Contact Section */
.contact-section {
  padding: 4rem 2rem;
  margin: 4rem auto;
  max-width: 600px;
  text-align: center;
  border: 1px dashed rgba(0, 255, 0, 0.4);
}

.contact-section .label {
  font-size: 0.75rem;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 0.5rem;
}

.contact-section h2 {
  font-family: var(--font-heading);
  font-size: 2rem;
  margin-bottom: 1rem;
}

.contact-section .email {
  color: var(--color-primary);
  font-size: 1.125rem;
  margin-bottom: 2rem;
  display: block;
}

.contact-section h3 {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
}

.contact-social {
  display: flex;
  justify-content: center;
  gap: 1rem;
}

.contact-social a {
  width: 50px;
  height: 50px;
  background: var(--color-card-bg);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text);
  font-size: 1.25rem;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.contact-social a:hover {
  background: var(--color-primary);
  color: var(--color-bg);
}

/* ========================================
   Blog Page
   ======================================== */

/* Full-page fading background for Blog */
.page-blog {
  background:
    linear-gradient(180deg,
      rgba(0,0,0,1) 0%,
      rgba(0,0,0,0.95) 30%,
      rgba(0,0,0,0.8) 50%,
      rgba(0,0,0,0.55) 80%,
      rgba(0,0,0,0.4) 100%
    ),
    url('images/pattern-maze.webp') bottom center/cover no-repeat fixed;
  background-color: var(--color-bg);
}

@media (max-width: 768px) {
  .page-blog {
    background:
      linear-gradient(180deg,
        rgba(0,0,0,0.95) 0%,
        rgba(0,0,0,0.9) 50%,
        rgba(0,0,0,0.7) 80%,
        rgba(0,0,0,0.4) 100%
      ),
      url('images/pattern-maze.webp') center/auto 100% no-repeat scroll;
  }
}

.blog-hero {
  min-height: 40vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 120px 2rem 4rem;
  background: transparent;
}

.blog-hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 6vw, 4rem);
  letter-spacing: 8px;
  color: var(--color-primary);
}

/* Active Filter Notice */
.active-filter {
  display: none;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  padding: 1rem 2rem;
  max-width: 800px;
  margin: 0 auto;
  color: var(--color-text-muted);
}

.active-filter.visible {
  display: flex;
}

.active-filter strong {
  color: var(--color-primary);
}

.clear-filter {
  font-size: 0.85rem;
  color: var(--color-text);
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  transition: all var(--transition-fast);
}

.clear-filter:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

/* Blog Grid */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
  padding: 4rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.blog-card {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  overflow: hidden;
  transition: transform var(--transition-normal), border-color var(--transition-normal);
}

.blog-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-primary);
}

.blog-card-content {
  padding: 1.5rem;
}

.blog-card h2 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  line-height: 1.4;
}

.blog-card h2 a {
  color: var(--color-text);
}

.blog-card h2 a:hover {
  color: var(--color-primary);
}

.blog-card .categories {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.blog-card .category {
  font-size: 0.75rem;
  color: var(--color-primary);
  padding: 0.25rem 0.5rem;
  border: 1px solid var(--color-primary);
  border-radius: 4px;
  transition: all var(--transition-fast);
}

.blog-card .category:hover {
  background: var(--color-primary);
  color: var(--color-bg);
}

.blog-card.hidden {
  display: none;
}

.blog-card .excerpt {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-bottom: 1rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.blog-card .read-more {
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.blog-card .read-more::after {
  content: '>>';
  transition: transform var(--transition-fast);
}

.blog-card:hover .read-more::after {
  transform: translateX(4px);
}

/* ========================================
   Blog Post Page
   ======================================== */
.post-header {
  position: static;
  background: transparent;
  backdrop-filter: none;
  border-bottom: none;
  overflow: visible;
  z-index: auto;
  padding: 160px 2rem 2rem;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.post-header .categories {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  margin-bottom: 1rem;
}

.post-header .category {
  font-size: 0.75rem;
  color: var(--color-primary);
  padding: 0.25rem 0.5rem;
  border: 1px solid var(--color-primary);
  border-radius: 4px;
  transition: all var(--transition-fast);
}

.post-header .category:hover {
  background: var(--color-primary);
  color: var(--color-bg);
}

.post-header h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  line-height: 1.3;
  margin-bottom: 1rem;
}

.post-header .meta {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.post-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem;
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.8;
}

.post-content h2 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  margin: 2rem 0 1rem;
  color: var(--color-primary);
}

.post-content h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  margin: 1.5rem 0 0.75rem;
}

.post-content p {
  margin-bottom: 1rem;
}

.post-content img {
  margin: 1rem auto 2rem;
  border-radius: 8px;
  border: 1px solid var(--color-border);
}

.post-content > img:first-child {
  margin-top: 0;
}

.post-content pre {
  background: var(--color-card-bg);
  padding: 1rem;
  border-radius: 8px;
  overflow-x: auto;
  margin: 1.5rem 0;
  border: 1px solid var(--color-border);
}

.post-content code {
  font-family: 'Courier New', monospace;
  font-size: 0.9rem;
}

.post-content ul,
.post-content ol {
  margin: 1rem 0 1rem 2rem;
}

.post-content li {
  margin-bottom: 0.5rem;
}

.post-content blockquote {
  border-left: 4px solid var(--color-primary);
  padding-left: 1rem;
  margin: 1.5rem 0;
  color: var(--color-text-muted);
  font-style: italic;
}

/* ========================================
   Footer
   ======================================== */
footer {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  padding: 3rem 2rem;
  text-align: center;
}

footer .logo img {
  height: 50px;
  margin: 0 auto 1.5rem;
}

footer .footer-social {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

footer .footer-social a {
  color: var(--color-text-muted);
  font-size: 1.25rem;
  transition: color var(--transition-fast);
}

footer .footer-social a:hover {
  color: var(--color-primary);
}

footer .copyright {
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

/* ========================================
   CTA Section
   ======================================== */
.cta-section {
  padding: 4rem 2rem;
  text-align: center;
  background: var(--color-bg);
  position: relative;
  z-index: 1;
}

.cta-section p {
  font-size: 1.25rem;
}

.cta-section a {
  font-weight: 600;
}

/* ========================================
   Utility Classes
   ======================================== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

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

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

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Focus styles for accessibility */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}