/* ============================================================ */
/* 01. VARIABLES + GLOBAL SETUP                                 */
/* ============================================================ */

:root {
  --black: #050505;
  --cyan: #d9ffff;
  --white: #ffffff;
  --grid: rgba(255, 255, 255, 0.09);
  --muted: rgba(255, 255, 255, 0.65);
  --card: rgba(255, 255, 255, 0.06);

  --heading: "mrs-eaves-xl-serif", serif;
  --font: "input-mono", monospace;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--black);
  color: var(--white);
  font-family: var(--font);
  overflow-x: hidden;
}

img,
video {
  width: 100%;
  display: block;
}

section {
  min-height: 100vh;
  padding: 7rem 7vw;
  position: relative;
}

.grid-bg {
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 120px 120px;
}

/* ============================================================ */
/* 02. TYPOGRAPHY                                                */
/* ============================================================ */

h1,
h2 {
  margin: 0;
  color: var(--cyan);
  line-height: 0.95;
  font-family: var(--font);
  font-weight: lighter;
}

h1 {
  font-size: clamp(70px, 13vw, 190px);
}

h2 {
  font-size: clamp(42px, 7vw, 95px);
}

p {
  margin: 0;
  line-height: 1.7;
  color: var(--muted);
  font-size: 18px;
  max-width: 760px;
}

.tag {
  color: var(--cyan);
  font-size: 14px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-family: var(--font);
  margin-bottom: 1rem;
}

/* ============================================================ */
/* 03. BACK BUTTON + DECORATION                                  */
/* ============================================================ */

.back-btn {
  position: fixed;
  top: 28px;
  left: 28px;
  z-index: 1000;

  color: var(--cyan);
  text-decoration: none;
  border: 1px solid var(--cyan);
  border-radius: 999px;
  padding: 10px 20px;
  font-size: 14px;

  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(10px);
}

.star {
  position: absolute;
  top: 10%;
  left: 8%;
  color: var(--white);
  font-size: clamp(90px, 13vw, 190px);
  line-height: 1;
  font-weight: 900;
}

.star.small {
  position: relative;
  top: auto;
  left: auto;
  font-size: 120px;
}

/* ============================================================ */
/* 04. HERO SECTION                                              */
/* ============================================================ */

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(
      circle at 50% 45%,
      rgba(217, 255, 255, 0.12),
      transparent 32%
    ),
    radial-gradient(
      circle at 80% 20%,
      rgba(124, 87, 255, 0.12),
      transparent 28%
    );
  pointer-events: none;
}

.hero-noise {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.025) 0px,
    rgba(255, 255, 255, 0.025) 1px,
    transparent 2px,
    transparent 7px
  );
  opacity: 0.35;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(1100px, 86vw);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.hero-star {
  top: 8%;
  left: 8%;
  opacity: 0.95;
}

.logo-card {
  width: min(1000px, 82vw);
  padding: clamp(2rem, 5vw, 5rem);
  margin: 2rem 0 3rem;
}

.logo-card img {
  width: 100%;
}

.hero h2 {
  margin-top: -50px;
  font-size: clamp(30px, 1.5vw, 76px);
  max-width: 1000px;
  text-align: center;
}

.hero-meta {
  margin-top: 3rem;
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
}

.hero-meta p {
  max-width: none;
  margin: 0;
  padding: 0.75rem 1rem;
  border: 1px solid rgba(217, 255, 255, 0.35);
  color: var(--white);
  font-size: 12px;
  letter-spacing: 0.12em;
  background: rgba(0, 0, 0, 0.35);
}

.scroll-hint {
  position: absolute;
  bottom: 2rem;
  right: 3rem;
  z-index: 3;
  color: var(--cyan);
  font-size: 12px;
  letter-spacing: 0.15em;
}

/* ============================================================ */
/* 05. PROJECT OVERVIEW                                          */
/* ============================================================ */

.overview {
  display: grid;
  grid-template-columns: 1fr 450px;
  gap: 8rem;
  align-items: center;
}

.overview h2 {
  max-width: 900px;
}

.terminal-card {
  width: 100%;
  justify-self: end;

  border: 1px solid var(--cyan);
  background: var(--card);
  padding: 2.5rem;
  border-radius: 4px;
  box-shadow: 0 0 35px rgba(217, 255, 255, 0.08);
}

.terminal-card p {
  margin-bottom: 1.2rem;
}

.terminal-card span {
  color: var(--cyan);
}

/* ============================================================ */
/* 06. STATEMENT SECTION                                         */
/* ============================================================ */

.statement {
  background: var(--cyan);
  color: var(--black);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.statement h2,
.statement p {
  color: var(--black);
}

.statement p {
  max-width: 800px;
  margin-top: 2rem;
}

/* ============================================================ */
/* 07. EXHIBITION BREAKDOWN                                      */
/* ============================================================ */

.breakdown {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.breakdown-list {
  margin-top: 4rem;
  display: grid;
  gap: 1.5rem;
  max-width: 900px;
}

.breakdown-list div {
  display: grid;
  grid-template-columns: 90px 1fr;
  align-items: center;
  border-bottom: 1px solid var(--grid);
  padding-bottom: 1rem;
  font-size: clamp(24px, 4vw, 54px);
  color: var(--white);
}

.breakdown-list span {
  color: var(--cyan);
}

/* ============================================================ */
/* 08. EXHIBITION LAYOUT OVERVIEW                                */
/* ============================================================ */

.overview1 {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3rem;
}

.overview-text {
  width: 100%;
  max-width: 1200px;
}

#overview-text-p {
  max-width: none;
  padding-top: 10px;
  padding-bottom: 10px;
}

#roomLayout {
  width: 100%;
  max-width: 1250px;
  margin-top: -50px;

  background: rgba(255, 255, 255, 0.04);
  padding: 1rem;
  border: 1px solid var(--grid);
}

/* ============================================================ */
/* 09. ROOM SECTIONS                                             */
/* ============================================================ */

.room {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 5rem;
  align-items: center;
}

.room.reverse {
  grid-template-columns: 0.9fr 1.1fr;
}

.room.reverse .room-img {
  order: 2;
}

.room-img {
  background: rgba(255, 255, 255, 0.04);
  padding: 1rem;
  border: 1px solid var(--grid);
}

.room-img img {
  height: 560px;
  object-fit: cover;
}

.room-text h2 {
  margin-bottom: 2rem;
}

.room-text p {
  margin-bottom: 1.5rem;
}

/* ============================================================ */
/* 10. MODAL / POPUP                                             */
/* ============================================================ */

.view-btn {
  margin-top: 2rem;
  background: transparent;
  border: 1px solid var(--cyan);
  color: var(--cyan);
  padding: 1rem 1.5rem;
  cursor: pointer;
  font-family: var(--font);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.view-btn:hover {
  background: var(--cyan);
  color: var(--black);
}

.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 999;
  padding: 2rem;
  background: rgba(0, 0, 0, 0.9);

  opacity: 0;
  visibility: hidden;
  pointer-events: none;

  transition: 0.3s ease;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.modal-content {
  position: relative;
  width: min(1000px, 92vw);
  height: 90vh;
  margin: 0 auto;
  overflow-y: auto;

  background: var(--black);
  border: 1px solid var(--cyan);
  padding: 4rem 3rem;

  box-shadow: 0 0 45px rgba(217, 255, 255, 0.12);
}

.close-modal {
  position: sticky;
  top: 0;
  margin-left: auto;
  display: block;

  background: var(--black);
  border: 1px solid var(--cyan);
  color: var(--cyan);

  width: 48px;
  height: 48px;
  font-size: 2rem;
  cursor: pointer;
  z-index: 10;
}

.close-modal:hover {
  background: var(--cyan);
  border: 1px solid var(--black);
  color: var(--black);
}

/* ============================================================ */
/* 11. TROLLEY EXPERIENCE INSIDE POPUP — SCROLL COLUMN           */
/* ============================================================ */

.trolley-experience {
  display: flex;
  flex-direction: column;
  gap: 4rem;
}

.trolley-text {
  max-width: 850px;
}

.trolley-text p {
  margin-bottom: 1.5rem;
}

.trolley-ui {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.trolleyVid {
  width: min(700px, 60vw);
  aspect-ratio: 1 / 1;

  margin: 3rem auto 0;
  padding: 1rem;

  border: 1px solid var(--cyan);
  background: var(--card);
}

.trolleyVid iframe {
  width: 100%;
  height: 100%;

  display: block;
  border: none;
}

.scenario-card,
.ai-response-card {
  border: 1px solid rgba(217, 255, 255, 0.55);
  background: rgba(255, 255, 255, 0.045);
  padding: 2rem;
  box-shadow: 0 0 35px rgba(217, 255, 255, 0.08);
}

.scenario-card video {
  margin: 1.5rem 0;
  border: 1px solid rgba(217, 255, 255, 0.3);
  background: black;
}

.scenario-question {
  max-width: none;
  justify-content: center;
  text-align: center;
  color: var(--white);
  font-size: 20px;
  padding-top: 30px;
}

.choice-buttons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
  margin-top: 2rem;
}

.choice-btn {
  min-height: 120px;
  padding: 1.4rem;

  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(217, 255, 255, 0.6);

  color: var(--white);
  cursor: pointer;
  font-family: var(--font);
  text-align: left;

  transition: all 0.25s ease;
}

.choice-btn:hover {
  transform: translateY(-4px);
  background: rgba(217, 255, 255, 0.08);
  box-shadow: 0 0 25px rgba(217, 255, 255, 0.18);
}

.choice-btn.selected {
  background: var(--cyan);
  border-color: var(--cyan);
}

.choice-btn.selected .choice-label,
.choice-btn.selected .choice-text {
  color: var(--black);
}

.choice-btn:disabled {
  cursor: default;
}

.choice-label {
  display: block;
  color: var(--cyan);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: 0.8rem;
}

.choice-text {
  display: block;
  color: var(--white);
  font-size: 20px;
  line-height: 1.3;
}

.ai-response-card {
  min-height: 230px;
}

.ai-response-card h3 {
  color: var(--cyan);
  font-size: clamp(28px, 3vw, 46px);
  font-weight: lighter;
  margin: 1rem 0;
}

#ai-paragraph {
  max-width: none;
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.5s ease;
}

#ai-paragraph.show {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================ */
/* 11. CONFESSION EXPERIENCE INSIDE POPUP — SCROLL COLUMN           */
/* ============================================================ */

.confess-experience {
  display: flex;
  flex-direction: column;
  gap: 4rem;
}

.confess-text {
  max-width: 900px;
}

.confession-ui {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

#confessionInput {
  width: 100%;
  min-height: 160px;
  margin-top: 1.5rem;
  padding: 1.2rem;

  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(217, 255, 255, 0.6);

  color: var(--white);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;

  resize: vertical;
}

#confessionInput::placeholder {
  color: rgba(255, 255, 255, 0.35);
}

#confessionInput:focus {
  outline: none;
  border-color: var(--cyan);
  box-shadow: 0 0 20px rgba(217, 255, 255, 0.12);
}

#confessionResponse {
  max-width: none;
  color: var(--cyan);
  font-size: 22px;
  opacity: 0.5;
  transition: all 0.4s ease;
}

#confessionResponse.show {
  opacity: 1;
}

.confessVid {
  width: min(800px, 60vw);
  aspect-ratio: 16 / 9;

  margin: 3rem auto 0;
  padding: 1rem;

  border: 1px solid var(--cyan);
  background: var(--card);
}

.confessVid iframe {
  width: 100%;
  height: 100%;

  display: block;
  border: none;
}

.scenario-question-2 {
  max-width: none;
  color: var(--white);
  font-size: 20px;
  padding-top: 30px;
}

/* ============================================================ */
/* 12. VIDEO SECTION                                             */
/* ============================================================ */

.video-section {
  min-height: auto;
  padding: 7rem 7vw;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.video-frame {
  width: min(1200px, 90vw);
  aspect-ratio: 16 / 9;

  margin: 3rem auto 0;
  padding: 1rem;

  border: 1px solid var(--cyan);
  background: var(--card);
}

.video-frame iframe {
  width: 100%;
  height: 100%;

  display: block;
  border: none;
}

/* ============================================================ */
/* 13. GALLERY SECTION                                           */
/* ============================================================ */

.gallery-section {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

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

.gallery img {
  height: 420px;
  object-fit: cover;
  border: 1px solid var(--grid);
}

/* ============================================================ */
/* 14. FINAL STATEMENT                                           */
/* ============================================================ */

.final-statement {
  background: var(--black);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.final-statement h2 {
  color: var(--white);
  max-width: 1100px;
}

.quote-author {
  margin-top: 2rem;
  color: var(--cyan);
  font-size: 14px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.8;
}

/* ============================================================ */
/* 15. RESPONSIVE                                                */
/* ============================================================ */

@media (max-width: 900px) {
  section {
    padding: 5rem 6vw;
  }

  .hero {
    align-items: flex-start;
    padding-top: 9rem;
  }

  .overview,
  .room,
  .room.reverse,
  .trolley-experience {
    grid-template-columns: 1fr;
  }

  .room.reverse .room-img {
    order: 0;
  }

  .room-img img,
  .gallery img {
    height: 320px;
  }

  .gallery,
  .choice-buttons {
    grid-template-columns: 1fr;
  }

  .breakdown-list div {
    grid-template-columns: 60px 1fr;
  }

  .modal-content {
    padding: 2rem;
  }

  .hero h2 {
    margin-top: -20px;
  }
}