/* ==========================================================================
   ENTROPY LOGIC — Bunsen Studio-inspired Design
   Dark mode, massive typography, premium interactions
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS CUSTOM PROPERTIES
   -------------------------------------------------------------------------- */
:root {
  --bg: #0B0B0C;
  --bg-elevated: #141416;
  --bg-card: #1A1A1E;
  --text-primary: #FFFFFF;
  --text-secondary: rgba(255, 255, 255, 0.55);
  --text-muted: rgba(255, 255, 255, 0.25);
  --accent: #4D6BFF;
  --accent-glow: rgba(77, 107, 255, 0.15);
  --border: rgba(255, 255, 255, 0.08);

  --font-display: 'Space Grotesk', -apple-system, sans-serif;
  --font-body: 'Inter', -apple-system, sans-serif;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --transition: 0.3s var(--ease-out);

  --radius: 12px;
  --radius-lg: 16px;
  --container-max: 1320px;
  --container-padding: 40px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg);
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

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

button {
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
  color: inherit;
}

/* --------------------------------------------------------------------------
   NAVIGATION
   -------------------------------------------------------------------------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px var(--container-padding);
  transition: background var(--transition), backdrop-filter var(--transition);
}

.nav.scrolled {
  background: rgba(11, 11, 12, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

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

.nav__logo {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--text-primary);
}

.nav__links {
  display: flex;
  gap: 40px;
}

.nav__link {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  transition: color var(--transition);
}

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

.nav__cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 24px;
  background: var(--text-primary);
  color: var(--bg);
  border-radius: 100px;
  font-size: 0.9375rem;
  font-weight: 500;
  transition: transform var(--transition), opacity var(--transition);
}

.nav__cta:hover {
  transform: scale(1.03);
  color: var(--bg);
}

.nav__cta svg {
  transition: transform var(--transition);
}

.nav__cta:hover svg {
  transform: translateX(3px);
}

.nav__mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  width: 28px;
  padding: 4px 0;
}

.nav__mobile-toggle span {
  display: block;
  height: 1.5px;
  background: var(--text-primary);
  border-radius: 1px;
  transition: transform var(--transition), opacity var(--transition);
}

/* --------------------------------------------------------------------------
   CUSTOM CURSOR
   -------------------------------------------------------------------------- */
.cursor-dot {
  position: fixed;
  width: 8px;
  height: 8px;
  background: rgba(255, 255, 255, 0.8);
  border-radius: 50%;
  pointer-events: none;
  z-index: 200;
  transform: translate(-50%, -50%);
  transition: width 0.2s, height 0.2s, background 0.2s, box-shadow 0.2s;
  mix-blend-mode: difference;
}

.cursor-dot.pressing {
  width: 24px;
  height: 24px;
  background: rgba(59, 130, 246, 0.6);
  box-shadow: 0 0 30px rgba(59, 130, 246, 0.4);
  mix-blend-mode: normal;
}

.cursor-ring {
  position: fixed;
  width: 36px;
  height: 36px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 50%;
  pointer-events: none;
  z-index: 199;
  transform: translate(-50%, -50%);
  transition: width 0.3s, height 0.3s, border-color 0.3s, opacity 0.3s;
}

.cursor-ring.pressing {
  width: 60px;
  height: 60px;
  border-color: rgba(59, 130, 246, 0.3);
}

/* --------------------------------------------------------------------------
   NOISE OVERLAY
   -------------------------------------------------------------------------- */
.noise {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 100;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 256px 256px;
}

/* --------------------------------------------------------------------------
   MODE INDICATOR
   -------------------------------------------------------------------------- */
.mode-indicator {
  position: absolute;
  top: 32px;
  right: 32px;
  z-index: 20;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.15);
  transition: all 0.4s ease;
  pointer-events: none;
}

.mode-indicator.active {
  color: rgba(59, 130, 246, 0.6);
}

/* --------------------------------------------------------------------------
   INTERACTION HINTS
   -------------------------------------------------------------------------- */
.hero__hints {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 20;
  display: flex;
  gap: 24px;
  animation: hintFadeIn 1.8s 1.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  opacity: 0;
}

@keyframes hintFadeIn {
  to {
    opacity: 1;
  }
}

.hint {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  color: rgba(255, 255, 255, 0.2);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.hint-key {
  padding: 3px 7px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  font-size: 9px;
  color: rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.03);
}

/* --------------------------------------------------------------------------
   HERO SECTION
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: flex-end;
  padding: 0 var(--container-padding);
  padding-bottom: 80px;
  overflow: hidden;
  cursor: none;
}

.hero__canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: var(--container-max);
  margin: 0 auto;
  width: 100%;
}

.hero__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(48px, 8vw, 130px);
  line-height: 0.95;
  letter-spacing: -0.03em;
  margin-bottom: 32px;
}

.hero__line {
  display: block;
}

.hero__subtitle {
  font-size: clamp(1rem, 1.5vw, 1.25rem);
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 500px;
  margin-bottom: 40px;
}

.hero__actions {
  display: flex;
  align-items: center;
  gap: 32px;
}

.hero__link {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  text-decoration: underline;
  text-underline-offset: 4px;
  transition: color var(--transition);
}

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

.hero__play {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9375rem;
  color: var(--text-secondary);
  transition: color var(--transition);
}

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

.hero__play svg {
  opacity: 0.7;
}

/* --------------------------------------------------------------------------
   WORK / PORTFOLIO GRID
   -------------------------------------------------------------------------- */
.work {
  padding: 120px var(--container-padding);
  background: var(--bg);
}

.work__container {
  max-width: var(--container-max);
  margin: 0 auto;
}

.work__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.work__card {
  display: block;
  text-decoration: none;
  transition: transform var(--transition);
}

.work__card:hover {
  transform: translateY(-6px);
}

.work__card-image {
  position: relative;
  width: 100%;
  aspect-ratio: 3 / 4;
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 16px;
  background: var(--bg-card);
}

.work__card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s var(--ease-out);
}

.work__card:hover .work__card-image img {
  transform: scale(1.04);
}

.work__card-category {
  display: block;
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  margin-bottom: 4px;
  text-transform: uppercase;
}

.work__card-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* --------------------------------------------------------------------------
   MISSION TEXT (Scroll Reveal)
   -------------------------------------------------------------------------- */
.mission {
  padding: 160px var(--container-padding);
  background: var(--bg);
}

.mission__container {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  gap: 40px;
  align-items: flex-start;
}

.mission__icon {
  flex-shrink: 0;
  margin-top: 12px;
  color: var(--text-muted);
}

.mission__text {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 4.5rem);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text-muted);
}

.mission__text .word {
  display: inline-block;
  transition: color 0.3s ease;
}

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

/* --------------------------------------------------------------------------
   SERVICES + MARQUEE
   -------------------------------------------------------------------------- */
.services {
  padding-bottom: 100px;
  background: var(--bg);
}

.services__container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  margin-bottom: 60px;
}

.services__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 60px;
}

.services__description {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  font-weight: 500;
  line-height: 1.4;
  color: var(--text-primary);
  max-width: 600px;
}

.services__links {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex-shrink: 0;
}

.services__link {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  text-decoration: underline;
  text-underline-offset: 4px;
  transition: color var(--transition);
}

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

/* Marquee */
.marquee {
  overflow: hidden;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 28px 0;
}

.marquee__track {
  display: flex;
  width: max-content;
  animation: marquee-scroll 35s linear infinite;
}

.marquee__content {
  display: flex;
  gap: 0;
  flex-shrink: 0;
}

.marquee__item {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: clamp(0.875rem, 1.2vw, 1.0625rem);
  font-weight: 500;
  color: var(--text-secondary);
  white-space: nowrap;
  padding: 0 40px;
  border-right: 1px solid var(--border);
}

.marquee__item em {
  font-style: normal;
  color: var(--text-muted);
  font-size: 0.75rem;
}

@keyframes marquee-scroll {
  from {
    transform: translateX(0);
  }

  to {
    transform: translateX(-50%);
  }
}

/* --------------------------------------------------------------------------
   TESTIMONIAL
   -------------------------------------------------------------------------- */
.testimonial {
  padding: 120px var(--container-padding);
  background: var(--bg);
}

.testimonial__container {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.testimonial__quote p {
  font-family: var(--font-display);
  font-size: clamp(1.125rem, 2vw, 1.5rem);
  font-weight: 500;
  line-height: 1.6;
  color: var(--text-primary);
  margin-bottom: 40px;
}

.testimonial__attribution {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.testimonial__name {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-primary);
}

.testimonial__role {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   FOOTER
   -------------------------------------------------------------------------- */
.footer {
  padding: 100px var(--container-padding) 40px;
  background: var(--bg);
  border-top: 1px solid var(--border);
}

.footer__container {
  max-width: var(--container-max);
  margin: 0 auto;
}

.footer__cta {
  margin-bottom: 100px;
}

.footer__heading {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 8rem);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: -0.03em;
  margin-bottom: 40px;
}

.footer__cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 18px 36px;
  background: var(--text-primary);
  color: var(--bg);
  border-radius: 100px;
  font-size: 1.0625rem;
  font-weight: 500;
  transition: transform var(--transition), box-shadow var(--transition);
}

.footer__cta-btn:hover {
  transform: scale(1.03);
  box-shadow: 0 0 40px var(--accent-glow);
  color: var(--bg);
}

.footer__cta-btn svg {
  transition: transform var(--transition);
}

.footer__cta-btn:hover svg {
  transform: translateX(4px);
}

.footer__grid {
  display: grid;
  grid-template-columns: repeat(3, auto);
  gap: 80px;
  margin-bottom: 80px;
}

.footer__col {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer__col-title {
  font-family: var(--font-display);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 4px;
}

.footer__col-link {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  transition: color var(--transition);
}

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

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}

.footer__legal {
  display: flex;
  gap: 24px;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.footer__legal a {
  color: var(--text-muted);
  transition: color var(--transition);
}

.footer__legal a:hover {
  color: var(--text-secondary);
}

.footer__contact-info a {
  font-size: 0.8125rem;
  color: var(--text-muted);
  transition: color var(--transition);
}

.footer__contact-info a:hover {
  color: var(--text-secondary);
}

/* --------------------------------------------------------------------------
   BACKGROUND GLOW EFFECTS
   -------------------------------------------------------------------------- */
.work::before {
  content: '';
  position: absolute;
  top: -200px;
  left: 50%;
  width: 800px;
  height: 600px;
  background: radial-gradient(ellipse, rgba(77, 107, 255, 0.06) 0%, transparent 70%);
  transform: translateX(-50%);
  pointer-events: none;
}

.work {
  position: relative;
}

/* --------------------------------------------------------------------------
   RESPONSIVE
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  :root {
    --container-padding: 24px;
  }

  .work__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .services__header {
    flex-direction: column;
    align-items: flex-start;
    gap: 24px;
  }

  .footer__grid {
    gap: 48px;
  }
}

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

  .nav__cta {
    display: none;
  }

  .nav__mobile-toggle {
    display: flex;
  }

  .hero {
    align-items: center;
    padding-bottom: 60px;
    padding-top: 100px;
  }

  .hero__title {
    font-size: clamp(44px, 12vw, 80px);
  }

  .work__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .work__card-category {
    font-size: 0.5625rem;
  }

  .work__card-title {
    font-size: 1rem;
  }

  .mission {
    padding: 80px var(--container-padding);
  }

  .mission__container {
    flex-direction: column;
    gap: 20px;
  }

  .testimonial {
    padding: 80px var(--container-padding);
  }

  .footer__heading {
    font-size: clamp(2.5rem, 12vw, 5rem);
  }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer__bottom {
    flex-direction: column;
    gap: 16px;
    align-items: flex-start;
  }

  .footer__legal {
    flex-wrap: wrap;
    gap: 12px;
  }
}

@media (max-width: 480px) {
  .work__grid {
    grid-template-columns: 1fr;
  }

  .work__card-image {
    aspect-ratio: 4 / 3;
  }
}

/* --------------------------------------------------------------------------
   CONTACT MODAL
   -------------------------------------------------------------------------- */
.contact-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
}

.contact-modal.open {
  opacity: 1;
  pointer-events: all;
}

.contact-modal__backdrop {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.contact-modal__panel {
  position: relative;
  width: 90%;
  max-width: 540px;
  background: #111113;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 20px;
  padding: 48px;
  transform: translateY(30px) scale(0.97);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.contact-modal.open .contact-modal__panel {
  transform: translateY(0) scale(1);
}

.contact-modal__close {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-secondary);
  transition: background 0.2s, color 0.2s;
  cursor: pointer;
}

.contact-modal__close:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
}

.contact-modal__header {
  margin-bottom: 36px;
}

.contact-modal__title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.contact-modal__subtitle {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.contact-modal__fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 28px;
}

.form-group--full {
  grid-column: 1 / -1;
}

.form-label {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.35);
  margin-bottom: 8px;
}

.form-input {
  width: 100%;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.9375rem;
  transition: border-color 0.3s, box-shadow 0.3s;
  outline: none;
}

.form-input::placeholder {
  color: rgba(255, 255, 255, 0.2);
}

.form-input:focus {
  border-color: rgba(59, 130, 246, 0.4);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.08);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.form-submit {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  background: var(--text-primary);
  color: var(--bg);
  border-radius: 100px;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 500;
  cursor: pointer;
  transition: transform 0.2s, opacity 0.2s;
  border: none;
}

.form-submit:hover {
  transform: scale(1.03);
}

.form-submit:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.form-submit svg {
  transition: transform 0.2s;
}

.form-submit:hover svg {
  transform: translateX(3px);
}

/* Success state */
.contact-modal__success {
  display: none;
  text-align: center;
  padding: 40px 0;
}

.contact-modal__success.show {
  display: block;
}

.success-icon {
  margin-bottom: 20px;
}

.contact-modal__success h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.contact-modal__success p {
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

@media (max-width: 600px) {
  .contact-modal__panel {
    padding: 32px 24px;
  }

  .contact-modal__fields {
    grid-template-columns: 1fr;
  }
}