/* =========================
   METANEXIS - FIXED HOME CSS
   ========================= */

:root {
  --bg: #0a0a0f;
  --card: rgba(18, 18, 26, 0.88);
  --accent: #4f46e5;
  --accent2: #06b6d4;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --border: #1f2937;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: system-ui, -apple-system, sans-serif;
}

body {
  background: url("img/ai-bg.jpg") no-repeat center center fixed;
  background-size: cover;
  color: var(--text);
  line-height: 1.5;
  position: relative;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background: rgba(10, 10, 15, 0.82);
  z-index: -1;
}

/* AI BAR */
#ai-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 100%;
  background: linear-gradient(90deg, #4f46e5, #06b6d4, #8b5cf6, #4f46e5);
  background-size: 300% 100%;
  animation: aiFlow 2.5s linear infinite;
  box-shadow: 0 0 8px #06b6d4, 0 0 18px #8b5cf6;
  z-index: 999;
}



/* LOGO INTRO */
.logo-intro {
  position: fixed;
  inset: 0;
  background: #0a0a0f;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 12px;
  z-index: 1000;
  transition: opacity 0.8s ease;
}

.logo-intro.hide {
  opacity: 0;
}

.intro-logo {
  width: 100px;
  animation: introScale 1.6s ease forwards;
}

.intro-text {
  color: #9ca3af;
  letter-spacing: 0.3rem;
}

/* ANIMATIONS */
@keyframes aiFlow {
  0% { background-position: 0% 0; }
  100% { background-position: 200% 0; }
}

@keyframes pulseGlow {
  0% { filter: drop-shadow(0 0 5px #06b6d4); }
  50% { filter: drop-shadow(0 0 14px #8b5cf6); }
  100% { filter: drop-shadow(0 0 5px #06b6d4); }
}

@keyframes introScale {
  0% { transform: scale(0.6); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}

/* HEADER SYSTEM */
header {
  padding: 18px 24px;
  border-bottom: 1px solid #1f2937;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(10,10,15,0.6);
  backdrop-filter: blur(8px);
}

.header-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.header-left h1 {
  font-size: 1.1rem;
  letter-spacing: 0.05rem;
}

/* LOGO SYSTEM */
.logo-symbol {
  height: 38px;
  animation: pulseGlow 3s infinite ease-in-out;
}

nav ul {
  display: flex;
  gap: 16px;
  list-style: none;
  flex-wrap: wrap;
  justify-content: flex-end;
}

nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
}

nav a:hover,
nav a[aria-current="page"] {
  color: var(--text);
}

/* Layout */
main {
  max-width: 1100px;
  margin: 60px auto;
  padding: 0 20px;
}

.section {
  margin-top: 48px;
}

.section h2 {
  margin-bottom: 18px;
}

/* Hero */
.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 28px;
  align-items: center;
}

.eyebrow {
  color: var(--accent2);
  text-transform: uppercase;
  letter-spacing: 0.12rem;
  font-size: 0.8rem;
  margin-bottom: 10px;
}

.hero-text h2 {
  font-size: clamp(2rem, 4vw, 3.3rem);
  line-height: 1.05;
  margin-bottom: 16px;
}

.hero-text p {
  color: var(--muted);
  max-width: 58ch;
}

.hero-actions {
  display: flex;
  gap: 12px;
  margin-top: 24px;
  flex-wrap: wrap;
}

.hero-image img {
  width: 100%;
  display: block;
  border-radius: 18px;
  border: 1px solid var(--border);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
}

/* Buttons */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  border-radius: 8px;
  border: none;
  text-decoration: none;
  color: white;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  font-weight: 600;
}

.button:hover {
  opacity: 0.92;
}

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

/* Cards */
.cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.card {
  background: var(--card);
  padding: 18px;
  border-radius: 12px;
  border: 1px solid var(--border);
  backdrop-filter: blur(8px);
}

.card h3 {
  margin-bottom: 8px;
}

.card p {
  color: var(--muted);
}

/* Footer */
footer {
  margin-top: 60px;
  padding: 22px;
  text-align: center;
  border-top: 1px solid var(--border);
  color: var(--muted);
  background: rgba(10, 10, 15, 0.45);
}

/* Responsive */
@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .cards {
    grid-template-columns: repeat(2, 1fr);
  }

  header {
    flex-direction: column;
    align-items: flex-start;
  }

  nav ul {
    justify-content: flex-start;
  }

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

@media (max-width: 560px) {
  .cards {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }
}

/* ===== AI LOADING SYSTEM ===== */


.loading.active {
  display: inline-block;
  opacity: 1;
}

/* typing dots */
.loading::after {
  content: "";
  display: inline-block;
  width: 1em;
  animation: dots 1.2s infinite steps(3);
}

@keyframes dots {
  0% { content: ""; }
  25% { content: "."; }
  50% { content: ".."; }
  75% { content: "..."; }
  100% { content: ""; }
}

@keyframes pulseText {
  0% { opacity: 0.4; }
  50% { opacity: 1; }
  100% { opacity: 0.4; }
}

/* Prompt card animation */

.prompt-card.show {
  opacity: 1;
  transform: none;
}

.prompt-generator {
  background: rgba(18, 18, 26, 0.76);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 28px;
  backdrop-filter: blur(12px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
}

.prompt-generator h2 {
  margin-bottom: 18px;
  font-size: 1.8rem;
}
 .prompt-controls {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
  margin-top: 18px;
  align-items: end;
}

.prompt-controls label {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 0.9rem;
}

.prompt-controls select,
.prompt-controls input {
  width: 100%;
  background: rgba(10, 10, 15, 0.72);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 12px 14px;
  border-radius: 10px;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.prompt-controls select:focus,
.prompt-controls input:focus {
  border-color: var(--accent2);
  box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.18);
}

.generate-btn,
.save-btn {
  padding: 12px 16px;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  transition: transform 0.15s ease, box-shadow 0.2s ease, opacity 0.2s ease;
}

.generate-btn:hover,
.save-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 22px rgba(79, 70, 229, 0.35);
}

.generate-btn:active,
.save-btn:active {
  transform: translateY(0);
  opacity: 0.95;
}

.prompt-card {
  margin-top: 18px;
  background: rgba(10, 10, 15, 0.72);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px;
  min-height: 150px;
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.4s ease;
}

.prompt-card.show {
  opacity: 1;
  transform: none;
}

#prompt-text {
  font-size: 1.05rem;
  line-height: 1.7;
  margin: 12px 0 16px;
  color: var(--text);
}

.loading {
  display: none;
  color: var(--accent2);
  font-size: 0.95rem;
  letter-spacing: 0.02rem;
}

.loading.active {
  display: inline-block;
}

.prompt-feed {
  margin-top: 30px;
}

.prompt-feed h2 {
  margin-bottom: 18px;
  font-size: 1.6rem;
}

.feed-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.feed-column {
  background: rgba(18, 18, 26, 0.72);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px;
  backdrop-filter: blur(10px);
}

.feed-column h3 {
  margin-bottom: 12px;
  font-size: 1rem;
}

.feed-column ul {
  list-style: none;
  padding-left: 0;
}

.feed-column li {
  color: var(--muted);
  margin-bottom: 10px;
  line-height: 1.5;
}

.regen-btn {
  margin-top: 10px;
}

button:focus {
  outline: 2px solid var(--accent2);
  outline-offset: 2px;
}

/* FORM SECTION */
.form-section {
  display: flex;
  justify-content: center;
  margin-top: 60px;
}

.form-container {
  background: rgba(18,18,26,0.85);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 32px;
  width: 100%;
  max-width: 520px;
  backdrop-filter: blur(12px);
  box-shadow: 0 20px 50px rgba(0,0,0,0.4);
}

.form-subtext {
  color: var(--muted);
  margin-bottom: 20px;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  margin-bottom: 6px;
  font-size: 0.9rem;
  color: var(--muted);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(10,10,15,0.7);
  color: var(--text);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent2);
  box-shadow: 0 0 0 3px rgba(6,182,212,0.2);
}

.full-width {
  width: 100%;
}

.form-success {
  display: none;
  margin-top: 15px;
  color: #10b981;
  font-weight: 500;
  text-align: center;
}

/* BENEFITS HERO */
.benefits-hero {
  text-align: center;
  margin-top: 60px;
}

.benefits-hero h2 {
  font-size: 2.5rem;
  margin-bottom: 10px;
}

.benefits-hero p {
  color: var(--muted);
  max-width: 600px;
  margin: auto;
}

/* GRID */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 50px;
}

.benefit-card {
  background: rgba(18,18,26,0.8);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  backdrop-filter: blur(10px);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.benefit-card img {
  width: 100%;
  border-radius: 12px;
  margin-bottom: 12px;
}

.benefit-card h3 {
  margin-bottom: 8px;
}

.benefit-card p {
  color: var(--muted);
}

.benefit-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

/* STRIP */
.benefits-strip {
  margin-top: 60px;
  padding: 40px;
  text-align: center;
  background: linear-gradient(90deg, rgba(79,70,229,0.15), rgba(6,182,212,0.15));
  border-radius: 16px;
}

.strip-content h2 {
  margin-bottom: 10px;
}

.strip-content p {
  color: var(--muted);
}

/* MOBILE */
@media (max-width: 900px) {
  .benefits-grid {
    grid-template-columns: 1fr;
  }
}

/* ABOUT HERO */
.about-hero {
  text-align: center;
  margin-top: 60px;
}

.about-hero h2 {
  font-size: 2.5rem;
  margin-bottom: 10px;
}

.about-hero p {
  color: var(--muted);
  max-width: 600px;
  margin: auto;
}

/* GRID */
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 30px;
  margin-top: 50px;
  align-items: center;
}

.about-text h3 {
  margin-top: 20px;
}

.about-text p {
  color: var(--muted);
  margin-top: 8px;
}

.about-image img {
  width: 100%;
  border-radius: 16px;
  border: 1px solid var(--border);
}

/* FEATURES */
.about-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 60px;
}

.feature-card {
  background: rgba(18,18,26,0.8);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px;
  text-align: center;
}

.feature-card img {
  width: 100%;
  border-radius: 12px;
  margin-bottom: 10px;
}

.feature-card p {
  color: var(--muted);
}

/* CTA */
.about-cta {
  margin-top: 60px;
  text-align: center;
  padding: 40px;
  border-radius: 16px;
  background: linear-gradient(90deg, rgba(79,70,229,0.15), rgba(6,182,212,0.15));
}

/* MOBILE */
@media (max-width: 900px) {
  .about-grid {
    grid-template-columns: 1fr;
  }

  .about-features {
    grid-template-columns: 1fr;
  }
}

/* HERO */
.how-hero {
  text-align: center;
  margin-top: 60px;
}

.how-hero h2 {
  font-size: 2.4rem;
  margin-bottom: 10px;
}

.how-hero p {
  color: var(--muted);
}

/* STEPS GRID */
.how-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 50px;
}

/* STEP CARD */
.step-card {
  background: rgba(18,18,26,0.8);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  text-align: center;
  position: relative;
  backdrop-filter: blur(10px);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.step-card img {
  width: 100%;
  border-radius: 12px;
  margin-bottom: 12px;
}

.step-card h3 {
  margin-bottom: 8px;
}

.step-card p {
  color: var(--muted);
}

/* STEP NUMBER */
.step-number {
  position: absolute;
  top: -12px;
  left: -12px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
}

/* HOVER */
.step-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 30px rgba(0,0,0,0.3);
}

/* STRIP */
.how-strip {
  margin-top: 60px;
  padding: 40px;
  text-align: center;
  border-radius: 16px;
  background: linear-gradient(90deg, rgba(79,70,229,0.15), rgba(6,182,212,0.15));
}

/* MOBILE */
@media (max-width: 900px) {
  .how-steps {
    grid-template-columns: 1fr;
  }
}