/* 
  AGAI Spark Website Styles
  Theme: Cinematic, Minimal, Modern Storytelling
*/

@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap");

:root {
  /* Color Palette */
  --bg-black: #000000;
  --bg-charcoal: #0a0a0a;
  --bg-darker: #050505;

  --text-white: #fafafa;
  --text-zinc: #a1a1aa;
  --text-dark: #27272a;

  --accent-indigo: #4f46e5;
  --accent-cyan: #06b6d4;

  --border-glow: rgba(79, 70, 229, 0.3);
  --border-light: rgba(250, 250, 250, 0.1);
  --border-lighter: rgba(250, 250, 250, 0.2);

  /* Typography */
  --font-primary:
    "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, sans-serif;
  --font-mono:
    "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas,
    monospace;
}

/* Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background-color: var(--bg-black);
  color: var(--text-white);
  font-family: var(--font-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  overflow-x: hidden;
  position: relative;
  font-size: 16px;
}

/* Background Effects */
.noise-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 50;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

.ambient-gradient {
  position: fixed;
  top: -50%;
  left: -50%;
  width: 200vw;
  height: 200vh;
  background: radial-gradient(
    circle at 50% 50%,
    rgba(79, 70, 229, 0.05) 0%,
    rgba(0, 0, 0, 0) 50%
  );
  pointer-events: none;
  z-index: -1;
  animation: drift 30s ease-in-out infinite alternate;
}

@keyframes drift {
  0% {
    transform: translateY(0) scale(1);
    opacity: 0.5;
  }
  100% {
    transform: translateY(-10%) scale(1.1);
    opacity: 0.8;
  }
}

/* Utility Classes */
.text-zinc {
  color: var(--text-zinc);
}
.text-white {
  color: var(--text-white);
}
.text-indigo {
  color: var(--accent-indigo);
}
.text-cyan {
  color: var(--accent-cyan);
}
.bg-absolute-black {
  background-color: var(--bg-black);
}
.bg-darker {
  background-color: var(--bg-darker);
}

.code-font {
  font-family: var(--font-mono);
}
.tracking-tight {
  letter-spacing: -0.04em;
}
.tracking-widest {
  letter-spacing: 0.1em;
}
.text-center {
  text-align: center;
}
.text-left {
  text-align: left;
}
.mx-auto {
  margin-left: auto;
  margin-right: auto;
}
.max-w-2xl {
  max-width: 42rem;
}
.max-w-3xl {
  max-width: 48rem;
}
.max-w-4xl {
  max-width: 56rem;
}
.mt-2 {
  margin-top: 0.5rem;
}
.mt-4 {
  margin-top: 1rem;
}
.mt-6 {
  margin-top: 1.5rem;
}
.mt-8 {
  margin-top: 2rem;
}
.mt-10 {
  margin-top: 2.5rem;
}
.mt-12 {
  margin-top: 3rem;
}
.mt-16 {
  margin-top: 4rem;
}
.mt-20 {
  margin-top: 5rem;
}
.mb-2 {
  margin-bottom: 0.5rem;
}
.mb-4 {
  margin-bottom: 1rem;
}
.mb-6 {
  margin-bottom: 1.5rem;
}
.mb-8 {
  margin-bottom: 2rem;
}
.mb-16 {
  margin-bottom: 4rem;
}
.mb-20 {
  margin-bottom: 5rem;
}
.p-4 {
  padding: 1rem;
}
.p-6 {
  padding: 1.5rem;
}
.px-4 {
  padding-left: 1rem;
  padding-right: 1rem;
}
.py-2 {
  padding-top: 0.5rem;
  padding-bottom: 0.5rem;
}
.py-4 {
  padding-top: 1rem;
  padding-bottom: 1rem;
}
.py-12 {
  padding-top: 3rem;
  padding-bottom: 3rem;
}
.py-20 {
  padding-top: 5rem;
  padding-bottom: 5rem;
}
.pb-4 {
  padding-bottom: 1rem;
}
.pt-4 {
  padding-top: 1rem;
}
.pt-16 {
  padding-top: 4rem;
}

.flex {
  display: flex;
}
.flex-col {
  display: flex;
  flex-direction: column;
}
.flex-center {
  display: flex;
  justify-content: center;
  align-items: center;
}
.flex-wrap {
  flex-wrap: wrap;
}
.items-center {
  align-items: center;
}
.justify-between {
  justify-content: space-between;
}
.gap-2 {
  gap: 0.5rem;
}
.gap-3 {
  gap: 0.75rem;
}
.gap-4 {
  gap: 1rem;
}
.gap-6 {
  gap: 1.5rem;
}
.gap-8 {
  gap: 2rem;
}
.gap-12 {
  gap: 3rem;
}

.grid-2-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
}
.grid-2x2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}
.grid-3-col {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 768px) {
  .grid-2-col,
  .grid-2x2,
  .grid-3-col {
    grid-template-columns: 1fr;
  }
  .hero-title {
    font-size: 3.5rem !important;
  }
}

.w-full {
  width: 100%;
}
.h-1 {
  height: 0.25rem;
}
.w-2 {
  width: 0.5rem;
}
.h-2 {
  height: 0.5rem;
}
.w-2\.5 {
  width: 0.625rem;
}
.h-2\.5 {
  height: 0.625rem;
}
.w-6 {
  width: 1.5rem;
}
.rounded-full {
  border-radius: 9999px;
}
.rounded {
  border-radius: 0.25rem;
}
.rounded-lg {
  border-radius: 0.5rem;
}

.border {
  border: 1px solid var(--border-light);
}
.border-t {
  border-top: 1px solid var(--border-light);
}
.border-b {
  border-bottom: 1px solid var(--border-light);
}
.border-y {
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}
.border-white-5 {
  border-color: rgba(255, 255, 255, 0.05);
}
.border-white-10 {
  border-color: rgba(255, 255, 255, 0.1);
}
.border-indigo {
  border-color: var(--accent-indigo);
}
.border-cyan {
  border-color: var(--accent-cyan);
}
.border-transparent {
  border-color: transparent;
}

.bg-indigo\/5 {
  background-color: rgba(79, 70, 229, 0.05);
}
.opacity-5 {
  opacity: 0.05;
}
.opacity-20 {
  opacity: 0.2;
}
.opacity-50 {
  opacity: 0.5;
}
.opacity-60 {
  opacity: 0.6;
}

.relative {
  position: relative;
}
.absolute {
  position: absolute;
}
.fixed {
  position: fixed;
}
.inset-0 {
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
}
.z-10 {
  z-index: 10;
}
.overflow-hidden {
  overflow: hidden;
}
.overflow-x-auto {
  overflow-x: auto;
}
.whitespace-nowrap {
  white-space: nowrap;
}
.inline-block {
  display: inline-block;
}
.block {
  display: block;
}

.text-xs {
  font-size: 0.75rem;
}
.text-sm {
  font-size: 0.875rem;
}
.text-lg {
  font-size: 1.125rem;
}
.text-2xl {
  font-size: 1.5rem;
}
.text-4xl {
  font-size: 2.25rem;
}
.font-medium {
  font-weight: 500;
}
.font-bold {
  font-weight: 700;
}
.font-thin {
  font-weight: 300;
}
.italic {
  font-style: italic;
}
.uppercase {
  text-transform: uppercase;
}

.bg-gradient-to-r {
  background-image: linear-gradient(to right, var(--tw-gradient-stops));
}
.from-indigo {
  --tw-gradient-from: var(--accent-indigo) var(--tw-gradient-from-position);
  --tw-gradient-to: rgba(79, 70, 229, 0) var(--tw-gradient-to-position);
  --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to);
}
.to-cyan {
  --tw-gradient-to: var(--accent-cyan) var(--tw-gradient-to-position);
}
.from-cyan {
  --tw-gradient-from: var(--accent-cyan) var(--tw-gradient-from-position);
  --tw-gradient-to: rgba(6, 182, 212, 0) var(--tw-gradient-to-position);
  --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to);
}
.to-indigo {
  --tw-gradient-to: var(--accent-indigo) var(--tw-gradient-to-position);
}

/* Layout */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section {
  padding: 8rem 0;
  min-height: auto;
}

/* Nav */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 1.5rem 0;
  z-index: 100;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.nav-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-links a {
  color: var(--text-zinc);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  transition: color 0.2s ease;
}

.nav-links a:hover {
  color: var(--text-white);
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  font-weight: 500;
  font-size: 0.875rem;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-lg {
  padding: 0.75rem 1.75rem;
  font-size: 1rem;
}

.btn-primary {
  background: linear-gradient(
    135deg,
    var(--accent-indigo),
    rgba(6, 182, 212, 0.8)
  );
  color: var(--text-white);
  border: none;
  box-shadow: 0 0 20px rgba(79, 70, 229, 0.2);
}

.btn-primary:hover {
  box-shadow: 0 0 30px rgba(6, 182, 212, 0.4);
  transform: translateY(-1px);
  color: var(--text-white) !important;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-white);
  border: 1px solid var(--border-light);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
}

.btn-ghost {
  background: transparent;
  color: var(--text-white);
  border: 1px solid var(--border-light);
}

.btn-ghost:hover {
  border-color: var(--text-white);
  background: rgba(255, 255, 255, 0.05);
}

/* Typography Specifics */
.text-gradient {
  background: linear-gradient(to right, #fafafa, #a1a1aa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-section {
  padding-top: 16rem;
  padding-bottom: 8rem;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.hero-title {
  font-size: 6rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1rem;
}

.hero-tagline {
  font-size: 2.25rem;
  font-weight: 400;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.statement-text {
  font-size: 3.5rem;
  line-height: 1.2;
}

@media (max-width: 768px) {
  .statement-text {
    font-size: 2.5rem;
  }
}

/* Cards & Elements */
.card {
  background: var(--bg-charcoal);
  border: 1px solid var(--border-light);
  border-radius: 8px;
  padding: 2rem;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.card-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.hover-glow:hover {
  border-color: var(--border-glow);
  transform: translateY(-4px);
  box-shadow: 0 10px 30px -10px rgba(79, 70, 229, 0.15);
}

.tag {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-light);
  border-radius: 4px;
  font-size: 0.75rem;
  font-family: var(--font-mono);
}

.badge {
  padding: 0.25rem 0.5rem;
  background: var(--bg-charcoal);
  border: 1px solid var(--border-lighter);
  border-radius: 4px;
}

/* Flow Diagram specific */
.step-node {
  padding: 0.5rem 1rem;
  background: var(--bg-charcoal);
  border: 1px solid var(--border-light);
  border-radius: 4px;
  min-width: max-content;
}

.active-pulse {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 15px rgba(6, 182, 212, 0.2);
  animation: pulse-border 2s infinite;
}

@keyframes pulse-border {
  0% {
    box-shadow: 0 0 0 0 rgba(6, 182, 212, 0.4);
  }
  70% {
    box-shadow: 0 0 0 6px rgba(6, 182, 212, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(6, 182, 212, 0);
  }
}

/* Timeline */
.timeline {
  padding: 4rem 0;
}



.timeline-item {
  position: relative;
  z-index: 1;
  margin-bottom: 4rem;
  background: var(--bg-black);
  padding: 1rem;
  max-width: 300px;
  margin-left: auto;
  margin-right: auto;
}

.t-dot {
  width: 2rem;
  height: 2rem;
  background: var(--bg-charcoal);
  border: 1px solid var(--accent-indigo);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--accent-indigo);
}

.t-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.t-desc {
  font-size: 0.875rem;
  color: var(--text-zinc);
}

/* Visual Panel (Terminal) */
.visual-panel {
  background: var(--bg-charcoal);
  border: 1px solid var(--border-light);
  border-radius: 8px;
  box-shadow: 0 20px 40px -20px rgba(0, 0, 0, 0.8);
  overflow: hidden;
}

/* Metric Items */
.metric-item {
  padding: 1.5rem;
  border-left: 2px solid var(--accent-indigo);
  background: linear-gradient(to right, rgba(79, 70, 229, 0.05), transparent);
  font-size: 1.125rem;
  font-weight: 500;
}

/* Accordion */
.accordion-header {
  background: none;
  border: none;
  color: var(--text-white);
  cursor: pointer;
}

.accordion-header:hover {
  color: var(--text-white);
}

.accordion-icon {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  transition: transform 0.3s ease;
}

.accordion-item.active .accordion-icon {
  transform: rotate(45deg);
  color: var(--accent-cyan);
}

.accordion-item.active .accordion-content {
  display: block;
  animation: slideDown 0.3s ease-out forwards;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Marquee */
.marquee-container {
  mask-image: linear-gradient(
    to right,
    transparent,
    black 10%,
    black 90%,
    transparent
  );
  -webkit-mask-image: linear-gradient(
    to right,
    transparent,
    black 10%,
    black 90%,
    transparent
  );
}

.marquee-content {
  display: inline-flex;
  animation: marquee 30s linear infinite;
}

@keyframes marquee {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(
      -50%
    ); /* Needs duplicate content in JS/HTML to work perfectly if long */
  }
}

/* Animations & Reveal Classes */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition:
    opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.fade-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.delay-1 {
  transition-delay: 0.1s;
}
.delay-2 {
  transition-delay: 0.2s;
}
.delay-3 {
  transition-delay: 0.3s;
}
.delay-4 {
  transition-delay: 0.4s;
}

.reveal-on-load {
  animation: cinematicFadeIn 2s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes cinematicFadeIn {
  0% {
    opacity: 0;
    filter: blur(10px);
    transform: scale(1.02);
  }
  100% {
    opacity: 1;
    filter: blur(0);
    transform: scale(1);
  }
}

.reveal-card {
  opacity: 0;
  transform: translateY(20px);
}

.reveal-card.is-visible {
  animation: cardSnap 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes cardSnap {
  0% {
    opacity: 0;
    transform: translateY(20px);
    filter: brightness(0.5);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
    filter: brightness(1);
  }
}

/* Stagger for grid children is handled by delay classes usually, but we can do it with JS for lists */
.staggered-container.is-visible .staggered {
  opacity: 1;
  transform: translateY(0);
}

/* Typing effect simple CSS proxy */
.typing-effect {
  overflow: hidden;
  white-space: normal;
  animation: typingProxy 2s steps(40, end);
}

@keyframes typingProxy {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}