/* ==========================================================================
   SÂN ĐÌNH - S.T.U.D.I.O SERIES PAGE STYLES (v2)
   Design System: Editorial Architectural Minimalism
   ========================================================================== */

:root {
  --color-bg-page: #FAF9F6;
  --color-bg-card: #FFFFFF;
  --color-bg-card-subtle: #F3F2EE;
  --color-text-primary: #181818;
  --color-text-secondary: #555555;
  --color-text-muted: #888888;
  --color-accent-gold: #B89C72;
  --color-accent-gold-hover: #9F8359;
  --color-dark-bg: #0A0A0A;
  --color-dark-surface: #141414;
  --color-dark-border: rgba(255, 255, 255, 0.12);
  --color-light-border: rgba(0, 0, 0, 0.08);
  --font-serif: "Playfair Display", Georgia, serif;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --container-max: 1280px;
  --container-pad: clamp(20px, 4vw, 60px);
  --transition-smooth: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

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

ul, ol {
  list-style: none;
  padding: 0;
  margin: 0;
}

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

body.studio-page-body {
  background-color: var(--color-bg-page);
  color: var(--color-text-primary);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.65;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-smooth);
}

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

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
}

/* Common Section */
.studio-section {
  padding-top: clamp(64px, 8vw, 110px);
  padding-bottom: clamp(64px, 8vw, 110px);
  position: relative;
}

.studio-section.border-top {
  border-top: 1px solid var(--color-light-border);
}

.studio-heading-center {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3.8vw, 3.2rem);
  font-weight: 400;
  color: var(--color-text-primary);
  text-align: center;
  margin-bottom: clamp(28px, 4vw, 48px);
}

.studio-pill-tag {
  display: inline-block;
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  font-style: italic;
  color: var(--color-text-muted);
  margin-bottom: 12px;
}

/* ==========================================================================
   1. HERO SECTION (S.T.U.D.I.O)
   ========================================================================== */
.studio-hero {
  padding-top: 120px;
  padding-bottom: clamp(60px, 7vw, 100px);
  text-align: center;
}

.studio-brand-mark {
  max-width: 220px;
  margin: 0 auto 16px;
}

.studio-tagline {
  font-size: clamp(0.95rem, 1.2vw, 1.25rem);
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--color-text-secondary);
  margin-bottom: clamp(40px, 5vw, 64px);
}

/* Hero Duo Layout: Left speaker info - Center duo image - Right speaker info */
.hero-duo-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.6fr 1fr;
  gap: clamp(20px, 3vw, 48px);
  align-items: center;
  max-width: 1160px;
  margin: 0 auto;
}

.speaker-hero-sidebar {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.speaker-hero-sidebar.left {
  text-align: right;
}

.speaker-hero-sidebar.right {
  text-align: left;
}

.hero-sidebar-tag {
  font-size: 0.775rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.hero-sidebar-name {
  font-size: clamp(1.2rem, 1.6vw, 1.55rem);
  font-weight: 600;
  color: var(--color-text-primary);
  line-height: 1.25;
}

.hero-sidebar-role {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.hero-sidebar-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-primary);
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
  margin-top: 8px;
  width: fit-content;
}

.speaker-hero-sidebar.left .hero-sidebar-link {
  margin-left: auto;
}

.hero-sidebar-link:hover {
  color: var(--color-accent-gold);
}

.hero-duo-photo-container {
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.08);
  border: 1px solid var(--color-light-border);
  background-color: #000;
}

.hero-duo-photo {
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: grayscale(100%);
  transition: transform 0.6s ease, filter 0.6s ease;
}

.hero-duo-photo:hover {
  transform: scale(1.02);
  filter: grayscale(80%);
}

/* ==========================================================================
   2. WHY SHOULD YOU LISTEN?
   ========================================================================== */
.why-listen-content {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 24px;
  font-size: clamp(1rem, 1.2vw, 1.15rem);
  line-height: 1.8;
  color: var(--color-text-secondary);
  text-align: center;
}

.why-listen-content p:first-of-type {
  font-weight: 500;
  color: var(--color-text-primary);
}

/* ==========================================================================
   3. OFFICIAL TRAILER
   ========================================================================== */
.trailer-section {
  text-align: center;
  background-color: #F5F4EE;
}

.trailer-media-box {
  max-width: 960px;
  margin: 0 auto clamp(36px, 4.5vw, 56px);
  position: relative;
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.1);
  background-color: #0D0D0D;
}

.trailer-poster {
  width: 100%;
  height: auto;
  display: block;
}

.trailer-play-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(0, 0, 0, 0.3);
  transition: var(--transition-smooth);
  cursor: pointer;
}

.trailer-play-overlay:hover {
  background-color: rgba(0, 0, 0, 0.15);
}

.play-circle {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  transition: var(--transition-smooth);
}

.trailer-play-overlay:hover .play-circle {
  transform: scale(1.1);
  background-color: #FFFFFF;
}

.btn-lecture-register {
  display: inline-block;
  padding: 16px 44px;
  border: 1px solid var(--color-text-primary);
  color: var(--color-text-primary);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  background-color: transparent;
  transition: var(--transition-smooth);
}

.btn-lecture-register:hover {
  background-color: var(--color-text-primary);
  color: #FFFFFF;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
  transform: translateY(-2px);
}

/* ==========================================================================
   4. INTRODUCING SPEAKERS & PROFILES
   ========================================================================== */
.speaker-feature-block {
  margin-bottom: clamp(80px, 10vw, 130px);
}

.speaker-header-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  border-bottom: 1px solid var(--color-light-border);
  padding-bottom: 28px;
  margin-bottom: 40px;
}

.speaker-meta {
  max-width: 500px;
}

.speaker-headline-name {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3.2vw, 3rem);
  font-weight: 500;
  line-height: 1.15;
  color: var(--color-text-primary);
  margin-bottom: 8px;
}

.speaker-headline-title {
  font-size: 1rem;
  color: var(--color-text-secondary);
  margin-bottom: 4px;
}

.speaker-headline-award {
  font-size: 0.9rem;
  font-style: italic;
  color: var(--color-accent-gold);
}

.speaker-prominent-quote {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 2.6vw, 2.5rem);
  font-style: italic;
  font-weight: 400;
  line-height: 1.35;
  color: var(--color-text-primary);
  text-align: right;
  max-width: 560px;
}

/* Biography & Outstanding Achievement Columns */
.speaker-details-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 80px);
  margin-bottom: 48px;
}

.speaker-col-title {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-primary);
  margin-bottom: 24px;
  position: relative;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-light-border);
}

.bio-timeline-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.bio-timeline-item {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 16px;
  font-size: 0.95rem;
  line-height: 1.6;
}

.bio-year {
  font-weight: 600;
  color: var(--color-text-primary);
}

.bio-desc {
  color: var(--color-text-secondary);
}

.achievements-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.achievement-item {
  position: relative;
  padding-left: 20px;
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.achievement-item::before {
  content: "•";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--color-accent-gold);
  font-size: 1.2rem;
}

/* Highlighting Projects Showcase */
.highlighting-projects-wrapper {
  margin-top: 56px;
}

.projects-section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}

.projects-section-title {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-primary);
}

.projects-hint-text {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  font-style: italic;
}

.projects-carousel-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.project-card-interactive {
  position: relative;
  height: 380px;
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
  background-color: #E6E5DF;
  cursor: pointer;
}

.project-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease, filter 0.6s ease;
}

.project-card-interactive:hover .project-bg-img {
  transform: scale(1.06);
  filter: brightness(0.4) contrast(1.1);
}

/* Interactive Crossfade Overlay */
.project-info-overlay {
  position: absolute;
  inset: 0;
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.92) 0%, rgba(0, 0, 0, 0.3) 60%, transparent 100%);
  color: #FFFFFF;
  opacity: 0;
  transform: translateY(12px);
  transition: var(--transition-smooth);
}

.project-card-interactive:hover .project-info-overlay {
  opacity: 1;
  transform: translateY(0);
}

.project-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 500;
  margin-bottom: 16px;
  color: #FFFFFF;
}

.project-meta-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.project-meta-table td {
  padding: 4px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.meta-key {
  color: rgba(255, 255, 255, 0.6);
  width: 45%;
}

.meta-val {
  color: #FFFFFF;
  font-weight: 500;
  text-align: right;
}

/* ==========================================================================
   5. SNØHETTA FEATURED PRACTICE
   ========================================================================== */
.snøhetta-practice-section {
  text-align: center;
  background-color: #F7F6F1;
}

.practice-desc-text {
  max-width: 820px;
  margin: 0 auto clamp(36px, 4vw, 56px);
  font-size: clamp(1rem, 1.25vw, 1.2rem);
  line-height: 1.75;
  color: var(--color-text-secondary);
}

.practice-team-photo-frame {
  max-width: 1040px;
  margin: 0 auto;
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.08);
  border: 1px solid var(--color-light-border);
}

.practice-team-photo {
  width: 100%;
  height: auto;
  filter: contrast(1.03);
}

/* ==========================================================================
   6. S.T.U.D.I.O TALK #1 EVENT DETAILS & ENDORSEMENT
   ========================================================================== */
.event-talk-section {
  text-align: center;
}

.event-details-card {
  max-width: 880px;
  margin: 0 auto clamp(40px, 5vw, 64px);
  background-color: #FFFFFF;
  border: 1px solid var(--color-light-border);
  border-radius: 4px;
  padding: clamp(36px, 5vw, 60px) clamp(24px, 4vw, 56px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.03);
}

.event-info-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px 48px;
  text-align: left;
  margin-bottom: 48px;
}

.event-info-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.info-label {
  font-size: 0.775rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.info-val {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-text-primary);
}

.info-val.highlight-date {
  font-size: 1.4rem;
  color: var(--color-accent-gold);
}

/* Logos: Organized by & Endorsed by */
.event-partners-row {
  display: flex;
  justify-content: space-around;
  align-items: flex-start;
  border-top: 1px solid var(--color-light-border);
  padding-top: 48px;
  margin-bottom: 48px;
  gap: 48px;
}

.partner-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
  text-align: center;
}

.partner-group-title {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  color: #111111;
}

.partner-logos-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 48px;
}

.partner-logo-img {
  height: clamp(52px, 5.5vw, 76px);
  width: auto;
  object-fit: contain;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.partner-logo-img.logo-sandinh {
  height: clamp(54px, 5.8vw, 78px);
}

.partner-logo-img.logo-dmd {
  height: clamp(66px, 7vw, 92px);
}

.partner-logo-img.logo-ktsvn {
  height: clamp(68px, 7.2vw, 94px);
}

.partner-logo-img:hover {
  transform: translateY(-2px);
  opacity: 0.88;
}

/* ==========================================================================
   7. POLL SPEAKER WISHLIST
   ========================================================================== */
.poll-section {
  background-color: #F5F4EE;
}

.poll-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(28px, 4vw, 56px);
  max-width: 1040px;
  margin: 0 auto;
}

.poll-card {
  background-color: #FFFFFF;
  border: 1px solid var(--color-light-border);
  border-radius: 4px;
  padding: clamp(32px, 4vw, 48px) clamp(24px, 3.5vw, 40px);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
  transition: var(--transition-smooth);
}

.poll-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.06);
  border-color: rgba(184, 156, 114, 0.4);
}

.poll-candidate-name {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 6px;
}

.poll-candidate-role {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 20px;
}

.poll-candidate-quote {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-style: italic;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: 32px;
  padding-left: 16px;
  border-left: 2px solid var(--color-accent-gold);
}

.btn-vote {
  align-self: flex-start;
  padding: 10px 28px;
  border: 1px solid var(--color-text-primary);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-primary);
  transition: var(--transition-smooth);
  border-radius: 2px;
}

.btn-vote:hover,
.btn-vote.has-voted {
  background-color: var(--color-text-primary);
  color: #FFFFFF;
}

/* ==========================================================================
   8. RESPONSIVE MEDIA QUERIES FOR STUDIO PAGE
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-duo-wrapper {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .speaker-hero-sidebar.left,
  .speaker-hero-sidebar.right {
    text-align: center;
  }

  .speaker-hero-sidebar.left .hero-sidebar-link,
  .speaker-hero-sidebar.right .hero-sidebar-link {
    margin: 8px auto 0;
  }

  .speaker-header-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
  }

  .speaker-prominent-quote {
    text-align: left;
  }

  .speaker-details-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .projects-carousel-row {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .project-card-interactive {
    height: 320px;
  }

  .event-info-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .event-partners-row {
    flex-direction: column;
    gap: 36px;
    align-items: center;
  }

  .partner-logos-wrap {
    gap: 24px;
    flex-wrap: wrap;
    justify-content: center;
  }

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