/* ==========================================================================
   ANGLE-NET SESSION VIII — OFFICIAL WEBINAR PROGRAM STYLESHEET
   Accurately matching the official Angle-Net InDesign slides & visual identity
   ========================================================================== */

:root {
  --navy: #18487a;
  --navy-dark: #0f3053;
  --navy-deep: #0a1f36;
  --teal: #63c3d1;
  --teal-dark: #46a7b6;
  --teal-light: #e4f5f8;
  --teal-glow: rgba(99, 195, 209, 0.4);
  --white: #ffffff;
  --text-dark: #123356;
  --text-muted: rgba(24, 72, 122, 0.75);
  --zoom-blue: #0b5cff;
  --zoom-hover: #004de6;
  --card-shadow: 0 10px 30px rgba(10, 31, 54, 0.12);
  --card-shadow-hover: 0 18px 40px rgba(10, 31, 54, 0.2);
  
  --font-mono: 'Hack', 'SF Mono', 'Fira Code', Menlo, Monaco, Consolas, monospace;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  
  --border-radius-sm: 6px;
  --border-radius-md: 10px;
  --border-radius-lg: 18px;
  --transition: all 0.25s cubic-bezier(0.2, 0.8, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-mono);
  background-color: var(--navy-dark);
  color: var(--white);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  width: 100%;
  position: relative;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

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

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

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

/* ==========================================================================
   NAVIGATION BAR
   ========================================================================== */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(15, 48, 83, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(99, 195, 209, 0.25);
  padding: 0.85rem 2rem;
  padding-top: max(0.85rem, env(safe-area-inset-top));
  padding-left: max(1.25rem, env(safe-area-inset-left));
  padding-right: max(1.25rem, env(safe-area-inset-right));
  transition: var(--transition);
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.brand-logo-img {
  height: 48px;
  width: auto;
  border-radius: var(--border-radius-sm);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--white);
}

.brand-subtitle {
  font-size: 0.72rem;
  color: var(--teal);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.8);
  letter-spacing: 0.04em;
  transition: var(--transition);
  padding: 0.4rem 0.6rem;
  border-radius: var(--border-radius-sm);
}

.nav-links a:hover {
  color: var(--teal);
  background: rgba(99, 195, 209, 0.1);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Mobile Hamburger Toggle Button */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 42px;
  height: 42px;
  border-radius: var(--border-radius-sm);
  background: rgba(24, 72, 122, 0.4);
  border: 1px solid rgba(99, 195, 209, 0.35);
  cursor: pointer;
  padding: 9px;
  gap: 5px;
  transition: var(--transition);
}

.mobile-menu-toggle:hover {
  background: rgba(99, 195, 209, 0.2);
  border-color: var(--teal);
}

.hamburger-line {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.2s ease;
}

.mobile-menu-toggle.active .hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle.active .hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Drawer Dropdown */
.mobile-drawer {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: rgba(10, 31, 54, 0.98);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 2px solid var(--teal);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
  padding: 1.25rem 1.5rem 1.75rem;
  flex-direction: column;
  animation: slideDown 0.25s ease-out forwards;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

.mobile-drawer.active {
  display: flex;
}

.mobile-nav-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.mobile-nav-item {
  display: block;
  padding: 0.85rem 1rem;
  font-size: 0.95rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.9);
  border-radius: var(--border-radius-sm);
  transition: var(--transition);
  border-left: 3px solid transparent;
}

.mobile-nav-item:hover, .mobile-nav-item:active {
  color: var(--teal);
  background: rgba(99, 195, 209, 0.12);
  border-left-color: var(--teal);
}

.mobile-drawer-footer {
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

/* Primary Zoom CTA */
.btn-zoom {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  background: var(--zoom-blue);
  color: var(--white);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.03em;
  padding: 0.65rem 1.25rem;
  border-radius: 30px;
  box-shadow: 0 4px 15px rgba(11, 92, 255, 0.4);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.btn-zoom::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 50%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transform: skewX(-20deg);
  animation: shine 4s infinite;
}

@keyframes shine {
  0%, 75% { left: -100%; }
  100% { left: 200%; }
}

.btn-zoom:hover {
  background: var(--zoom-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(11, 92, 255, 0.55);
  color: var(--white);
}

.btn-zoom svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

/* Secondary Button */
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border: 1.5px solid var(--teal);
  color: var(--teal);
  font-weight: 700;
  font-size: 0.85rem;
  padding: 0.6rem 1.15rem;
  border-radius: 30px;
  transition: var(--transition);
}

.btn-outline:hover {
  background: var(--teal);
  color: var(--navy-dark);
  transform: translateY(-2px);
}

/* ==========================================================================
   HERO / COVER SECTION (Exact replication of Slide 1)
   ========================================================================== */
.hero-cover {
  position: relative;
  min-height: 85vh;
  display: flex;
  background: var(--navy);
  border-bottom: 4px solid var(--teal);
  overflow: hidden;
}

.hero-main {
  flex: 1;
  padding: 5rem 3rem 4rem 4rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
}

/* Globe Grid Background Effect */
.hero-main::before {
  content: '';
  position: absolute;
  top: -10%;
  left: 20%;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, rgba(99, 195, 209, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-logo-box {
  margin-bottom: 3.5rem;
}

.hero-logo-img {
  width: 140px;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  border: 2px solid rgba(255, 255, 255, 0.15);
}

.hero-content {
  margin-bottom: 3rem;
}

/* Outlined Title exactly matching Page 1 */
.hero-title-group {
  margin-bottom: 2rem;
}

.hero-title-row {
  display: flex;
  align-items: baseline;
  gap: 1.25rem;
  line-height: 0.95;
}

.text-stroke-cyan {
  font-size: clamp(3.2rem, 7.5vw, 6.2rem);
  font-weight: 900;
  font-style: italic;
  color: transparent;
  -webkit-text-stroke: 2.2px var(--teal);
  letter-spacing: -0.02em;
  text-shadow: 0 0 20px rgba(99, 195, 209, 0.25);
}

.text-solid-white {
  font-size: clamp(3.2rem, 7.5vw, 6.2rem);
  font-weight: 900;
  font-style: italic;
  color: var(--white);
  letter-spacing: -0.02em;
}

.hero-tagline {
  color: var(--teal);
  font-size: clamp(0.95rem, 2vw, 1.4rem);
  font-weight: 400;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  margin-top: 1.5rem;
}

/* Hero Action CTAs & Countdown */
.hero-actions-container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.5rem;
  margin-top: 2.5rem;
}

/* Vertical Time Banner on the Right (Slide 1 aesthetic) */
.hero-time-sidebar {
  width: 110px;
  background-color: var(--teal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 0;
  box-shadow: -5px 0 25px rgba(0, 0, 0, 0.2);
}

.hero-time-text {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  color: var(--navy-dark);
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  white-space: nowrap;
}

/* Live Countdown Bar */
.countdown-strip {
  background: rgba(10, 31, 54, 0.85);
  border-top: 1px solid rgba(99, 195, 209, 0.2);
  border-bottom: 1px solid rgba(99, 195, 209, 0.2);
  padding: 1.25rem 2rem;
}

.countdown-container {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.countdown-label-group {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.pulse-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 10px #10b981;
  animation: pulse-green 2s infinite;
}

@keyframes pulse-green {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1.05); box-shadow: 0 0 0 10px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.countdown-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--teal);
  letter-spacing: 0.05em;
}

.countdown-subtitle {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.7);
}

.countdown-timer-units {
  display: flex;
  gap: 1.25rem;
}

.timer-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(99, 195, 209, 0.25);
  padding: 0.4rem 0.9rem;
  border-radius: var(--border-radius-sm);
  min-width: 65px;
}

.timer-number {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--white);
  line-height: 1.1;
}

.timer-label {
  font-size: 0.65rem;
  color: var(--teal);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ==========================================================================
   PROGRAM SESSIONS SECTION
   Reproducing Slide 2, 3, and 4
   ========================================================================== */
.section-program {
  padding: 5rem 2rem 6rem;
  background: #11365c;
  background-image: 
    radial-gradient(rgba(99, 195, 209, 0.08) 1px, transparent 1px);
  background-size: 32px 32px;
}

.program-header-bar {
  max-width: 1400px;
  margin: 0 auto 3rem;
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
}

.section-title-wrap h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.2;
}

.section-title-wrap h2 span {
  color: var(--teal);
}

.section-title-wrap p {
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.95rem;
  margin-top: 0.5rem;
  max-width: 650px;
}

/* View switcher & search */
.program-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.btn-filter {
  font-size: 0.8rem;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  border: 1px solid rgba(99, 195, 209, 0.4);
  color: rgba(255, 255, 255, 0.8);
  background: rgba(15, 48, 83, 0.7);
  transition: var(--transition);
}

.btn-filter.active, .btn-filter:hover {
  background: var(--teal);
  color: var(--navy-dark);
  font-weight: 700;
  border-color: var(--teal);
}

/* Sessions Container */
.sessions-list {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 3.5rem;
}

/* ==========================================================================
   SLIDE CARD DESIGN (Authentic Slide Replication)
   ========================================================================== */
.slide-card {
  background-color: var(--teal);
  border-radius: var(--border-radius-lg);
  color: var(--navy-dark);
  padding: 3rem 3.5rem 2.5rem;
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.35);
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}

.slide-card:hover {
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.45);
  transform: translateY(-3px);
}

/* Slide Card Interior Grid */
.slide-content-grid {
  display: grid;
  grid-template-columns: 1.15fr 1.85fr;
  gap: 3.5rem;
  align-items: start;
  min-width: 0;
}

/* Left Column: Date & Title */
.session-info-col {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.session-date-badge {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.session-number-tag {
  background: var(--navy);
  color: var(--white);
  font-size: 0.75rem;
  padding: 0.2rem 0.6rem;
  border-radius: var(--border-radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.session-main-title {
  font-size: clamp(1.6rem, 2.5vw, 2.3rem);
  font-weight: 800;
  line-height: 1.25;
  color: var(--navy);
  margin-bottom: 0.85rem;
}

.session-sub-title {
  font-size: 1.15rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--navy-dark);
  margin-bottom: 2rem;
  opacity: 0.9;
}

.session-time-callout {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--navy);
  background: rgba(24, 72, 122, 0.12);
  padding: 0.6rem 1rem;
  border-radius: var(--border-radius-sm);
  margin-bottom: 2rem;
  border-left: 3px solid var(--navy);
}

.session-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: auto;
}

.btn-slide-zoom {
  background: var(--navy);
  color: var(--white);
  font-weight: 700;
  font-size: 0.85rem;
  padding: 0.7rem 1.3rem;
  border-radius: 30px;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  box-shadow: 0 4px 15px rgba(24, 72, 122, 0.35);
  transition: var(--transition);
}

.btn-slide-zoom:hover {
  background: var(--navy-deep);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(10, 31, 54, 0.45);
  color: var(--white);
}

.btn-slide-cal {
  background: rgba(24, 72, 122, 0.12);
  color: var(--navy);
  border: 1.5px solid var(--navy);
  font-weight: 700;
  font-size: 0.82rem;
  padding: 0.65rem 1.15rem;
  border-radius: 30px;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  transition: var(--transition);
}

.btn-slide-cal:hover {
  background: var(--navy);
  color: var(--white);
}

/* Right Column: Speakers & Moderators */
.speakers-col {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  min-width: 0;
}

.speakers-category-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 0.75rem;
  text-transform: capitalize;
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  min-width: 0;
}

.speakers-category-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: rgba(24, 72, 122, 0.25);
}

/* Two Columns for US / EU or Left / Right */
.speakers-dual-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.75rem;
  min-width: 0;
}

.speakers-group {
  min-width: 0;
}

.speakers-stack {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  min-width: 0;
}

/* Individual Speaker Card (Photo + Navy Bar) */
.speaker-pill {
  display: flex;
  align-items: center;
  height: 68px;
  border-radius: var(--border-radius-sm);
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(10, 31, 54, 0.18);
  transition: var(--transition);
  background: var(--navy);
}

.speaker-pill:hover {
  transform: translateX(4px);
  box-shadow: 0 6px 18px rgba(10, 31, 54, 0.28);
}

.speaker-photo-wrap {
  width: 68px;
  height: 68px;
  min-width: 68px;
  background: #e2e8f0;
  overflow: hidden;
  position: relative;
}

.speaker-photo-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%);
  transition: var(--transition);
}

.speaker-pill:hover .speaker-photo-wrap img {
  filter: grayscale(0%);
  transform: scale(1.05);
}

.speaker-name-bar {
  flex: 1;
  height: 100%;
  background-color: var(--navy);
  padding: 0 1.25rem;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  border-left: 2px solid rgba(99, 195, 209, 0.3);
}

.speaker-name-text {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.03em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Moderator Special Block */
.moderator-block {
  margin-top: 0.5rem;
}

.moderator-pill {
  border: 2px solid var(--navy-dark);
}

.moderator-pill .speaker-name-bar {
  background: linear-gradient(90deg, var(--navy) 0%, var(--navy-dark) 100%);
}

.moderator-badge {
  font-size: 0.65rem;
  background: var(--teal);
  color: var(--navy-dark);
  font-weight: 800;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  margin-left: 0.65rem;
  text-transform: uppercase;
}

/* Slide Card Footer (Mission text + Session VIII Badge) */
.slide-card-footer {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(24, 72, 122, 0.35);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.slide-footer-mission {
  font-size: 0.72rem;
  color: var(--navy);
  font-weight: 600;
  max-width: 650px;
  line-height: 1.4;
}

.slide-footer-badge img {
  height: 38px;
  width: auto;
  opacity: 0.9;
}

/* ==========================================================================
   TIMEZONE CONVERTER SECTION
   ========================================================================== */
.section-tz {
  background: var(--navy-dark);
  padding: 4rem 2rem;
  border-top: 1px solid rgba(99, 195, 209, 0.2);
  border-bottom: 1px solid rgba(99, 195, 209, 0.2);
}

.tz-container {
  max-width: 1200px;
  margin: 0 auto;
  background: rgba(24, 72, 122, 0.3);
  border: 1px solid rgba(99, 195, 209, 0.3);
  border-radius: var(--border-radius-lg);
  padding: 2.5rem 3rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.tz-info h3 {
  font-size: 1.5rem;
  color: var(--white);
  margin-bottom: 0.5rem;
}

.tz-info h3 span {
  color: var(--teal);
}

.tz-info p {
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.88rem;
  max-width: 500px;
}

.tz-slots {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
}

.tz-pill {
  background: rgba(10, 31, 54, 0.85);
  border: 1px solid rgba(99, 195, 209, 0.3);
  border-radius: var(--border-radius-md);
  padding: 0.85rem 1.4rem;
  text-align: center;
  min-width: 140px;
  transition: var(--transition);
}

.tz-pill.highlight {
  border-color: var(--teal);
  background: rgba(99, 195, 209, 0.15);
  box-shadow: 0 0 15px rgba(99, 195, 209, 0.25);
}

.tz-pill .tz-city {
  font-size: 0.72rem;
  color: var(--teal);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
}

.tz-pill .tz-time {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--white);
  margin: 0.2rem 0;
}

.tz-pill .tz-zone {
  font-size: 0.68rem;
  color: rgba(255, 255, 255, 0.6);
}

/* ==========================================================================
   SPEAKERS DIRECTORY MODAL / GRID
   ========================================================================== */
.section-speakers-directory {
  padding: 5rem 2rem;
  background: var(--navy-deep);
  border-bottom: 1px solid rgba(99, 195, 209, 0.2);
}

.directory-container {
  max-width: 1400px;
  margin: 0 auto;
}

.directory-header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.directory-header h2 {
  font-size: 2.4rem;
  color: var(--white);
  margin-bottom: 0.6rem;
}

.directory-header h2 span {
  color: var(--teal);
}

.directory-header p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.95rem;
}

.speakers-grid-all {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.5rem;
}

.faculty-card {
  background: rgba(24, 72, 122, 0.4);
  border: 1px solid rgba(99, 195, 209, 0.25);
  border-radius: var(--border-radius-md);
  padding: 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  transition: var(--transition);
}

.faculty-card:hover {
  background: rgba(24, 72, 122, 0.8);
  border-color: var(--teal);
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

.faculty-photo {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid var(--teal);
  flex-shrink: 0;
}

.faculty-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%);
  transition: var(--transition);
}

.faculty-card:hover .faculty-photo img {
  filter: grayscale(0%);
}

.faculty-meta {
  display: flex;
  flex-direction: column;
}

.faculty-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--white);
}

.faculty-session-link {
  font-size: 0.75rem;
  color: var(--teal);
  margin-top: 0.2rem;
  transition: var(--transition);
}

.faculty-session-link:hover {
  text-decoration: underline;
}

/* ==========================================================================
   ORIGINAL SLIDES LIGHTBOX MODAL
   ========================================================================== */
.slides-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(5, 15, 25, 0.94);
  backdrop-filter: blur(12px);
  z-index: 2000;
  padding: 2rem;
  align-items: center;
  justify-content: center;
}

.slides-modal.active {
  display: flex;
}

.modal-content-box {
  background: var(--navy);
  border: 2px solid var(--teal);
  border-radius: var(--border-radius-lg);
  max-width: 1200px;
  width: 100%;
  max-height: 92vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 25px 80px rgba(0, 0, 0, 0.7);
  overflow: hidden;
}

.modal-header {
  padding: 1.25rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(99, 195, 209, 0.3);
}

.modal-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--white);
}

.modal-close-btn {
  font-size: 1.5rem;
  color: var(--teal);
  padding: 0.2rem 0.6rem;
  border-radius: var(--border-radius-sm);
  transition: var(--transition);
}

.modal-close-btn:hover {
  background: rgba(99, 195, 209, 0.2);
  color: var(--white);
}

.modal-body {
  padding: 2rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}

.modal-slide-preview {
  width: 100%;
  max-width: 1050px;
  border-radius: var(--border-radius-md);
  border: 2px solid rgba(99, 195, 209, 0.4);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.modal-footer {
  padding: 1rem 2rem;
  display: flex;
  justify-content: flex-end;
  gap: 1rem;
  border-top: 1px solid rgba(99, 195, 209, 0.3);
  background: rgba(10, 31, 54, 0.5);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  background: #08192a;
  border-top: 2px solid var(--teal);
  padding: 4.5rem 2rem 2.5rem;
  color: rgba(255, 255, 255, 0.8);
}

.footer-container {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr;
  gap: 4rem;
  margin-bottom: 3.5rem;
}

.footer-brand-col {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.footer-logo-row {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.footer-logo-img {
  height: 52px;
  width: auto;
  border-radius: var(--border-radius-sm);
}

.footer-brand-name {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--white);
}

.footer-mission {
  font-size: 0.85rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.7);
  max-width: 480px;
}

.footer-links-col h4,
.footer-cta-col h4 {
  font-size: 0.95rem;
  color: var(--teal);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1.25rem;
}

.footer-links-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links-list a {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.7);
  transition: var(--transition);
}

.footer-links-list a:hover {
  color: var(--teal);
  padding-left: 4px;
}

.footer-cta-col {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-cta-desc {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.5;
}

.footer-bottom-bar {
  max-width: 1400px;
  margin: 0 auto;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.5);
}

/* ==========================================================================
   RESPONSIVE MEDIA QUERIES (FULL SMARTPHONE & TABLET OPTIMIZATION)
   ========================================================================== */

/* Tablet & Smaller Laptops */
@media (max-width: 1100px) {
  .slide-content-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 2.5rem;
  }
  
  .footer-container {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}

/* Tablet & Mobile Landscape */
@media (max-width: 850px) {
  .navbar {
    padding: 0.65rem 1.25rem;
  }
  
  .nav-desktop {
    display: none;
  }
  
  .mobile-menu-toggle {
    display: flex;
  }
  
  .brand-logo-img {
    height: 40px;
  }
  
  .brand-title {
    font-size: 1.05rem;
  }
  
  .brand-subtitle {
    font-size: 0.65rem;
  }
  
  .nav-actions {
    gap: 0.5rem;
  }
  
  .nav-zoom-btn {
    padding: 0.5rem 0.95rem;
    font-size: 0.8rem;
    gap: 0.45rem;
  }
  
  /* Hero Cover */
  .hero-cover {
    flex-direction: column;
    min-height: auto;
  }
  
  .hero-main {
    padding: 2.75rem 1.5rem 2.25rem;
  }
  
  .hero-logo-box {
    margin-bottom: 2rem;
  }
  
  .hero-logo-img {
    width: 115px;
  }
  
  .hero-title-group {
    margin-bottom: 1.5rem;
  }
  
  .hero-title-row {
    gap: 0.85rem;
  }
  
  .text-stroke-cyan,
  .text-solid-white {
    font-size: clamp(2.4rem, 10vw, 4.5rem);
  }
  
  .hero-tagline {
    font-size: clamp(0.82rem, 3vw, 1.15rem);
    letter-spacing: 0.16em;
    margin-top: 1rem;
    line-height: 1.45;
  }
  
  .hero-actions-container {
    flex-direction: column;
    width: 100%;
    align-items: stretch;
    gap: 0.85rem;
    margin-top: 2rem;
  }
  
  .hero-actions-container .btn-zoom,
  .hero-actions-container .btn-outline {
    width: 100%;
    justify-content: center;
    text-align: center;
    padding: 0.85rem 1.25rem !important;
    font-size: 0.95rem !important;
  }
  
  .hero-time-sidebar {
    width: 100%;
    height: auto;
    padding: 0.85rem 1rem;
  }
  
  .hero-time-text {
    writing-mode: horizontal-tb;
    transform: none;
    font-size: 0.8rem;
    white-space: normal;
    text-align: center;
    letter-spacing: 0.1em;
    line-height: 1.4;
  }
  
  /* Countdown Strip */
  .countdown-strip {
    padding: 1.25rem 1.25rem;
  }
  
  .countdown-container {
    flex-direction: column;
    align-items: stretch;
    gap: 1.25rem;
  }
  
  .countdown-timer-units {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.65rem;
  }
  
  .timer-box {
    min-width: 0;
    padding: 0.5rem 0.25rem;
    text-align: center;
  }
  
  .timer-number {
    font-size: 1.35rem;
  }
  
  .timer-label {
    font-size: 0.62rem;
  }
  
  .countdown-container .btn-zoom {
    width: 100%;
    justify-content: center;
  }
  
  /* Program Section */
  .section-program {
    padding: 4rem 1.25rem 4.5rem;
  }
  
  .program-header-bar {
    margin-bottom: 2.25rem;
    gap: 1.5rem;
  }
  
  .section-title-wrap h2 {
    font-size: clamp(1.75rem, 6vw, 2.4rem);
  }
  
  .section-title-wrap p {
    font-size: 0.9rem;
  }
  
  .program-controls {
    width: 100%;
    display: flex;
    gap: 0.5rem;
  }
  
  .btn-filter {
    flex: 1 1 auto;
    text-align: center;
    padding: 0.6rem 0.85rem;
    font-size: 0.8rem;
    min-height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
  
  .sessions-list {
    gap: 2.5rem;
  }
  
  /* Slide Cards */
  .slide-card {
    padding: 1.85rem 1.35rem 1.6rem;
    border-radius: 16px;
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.35);
  }
  
  .slide-content-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 2rem;
  }
  
  .session-info-col,
  .speakers-col {
    min-width: 0;
  }
  
  .session-date-badge {
    font-size: 1.2rem;
    margin-bottom: 0.65rem;
    flex-wrap: wrap;
    gap: 0.5rem;
  }
  
  .session-number-tag {
    font-size: 0.72rem;
    padding: 0.2rem 0.55rem;
  }
  
  .session-main-title {
    font-size: clamp(1.35rem, 5.5vw, 1.95rem);
    line-height: 1.25;
    margin-bottom: 0.75rem;
    word-break: normal;
    overflow-wrap: break-word;
  }
  
  .session-sub-title {
    font-size: 0.95rem;
    line-height: 1.45;
    margin-bottom: 1.35rem;
    word-break: normal;
    overflow-wrap: break-word;
  }
  
  .session-time-callout {
    font-size: 0.8rem;
    padding: 0.6rem 0.85rem;
    gap: 0.55rem;
    margin-bottom: 1.35rem;
    flex-wrap: wrap;
    line-height: 1.4;
  }
  
  .session-time-callout svg {
    flex-shrink: 0;
    margin-top: 1px;
  }
  
  .session-actions {
    display: flex;
    flex-direction: column;
    width: 100%;
    gap: 0.75rem;
  }
  
  .btn-slide-zoom,
  .btn-slide-cal {
    width: 100%;
    justify-content: center;
    text-align: center;
    padding: 0.8rem 1rem;
    font-size: 0.85rem;
    min-height: 44px;
  }
  
  /* Speakers Column */
  .speakers-col {
    gap: 1.5rem;
  }
  
  .speakers-category-title {
    font-size: 0.9rem;
    margin-bottom: 0.75rem;
  }
  
  .speakers-dual-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.85rem;
  }
  
  .speakers-stack {
    gap: 0.85rem;
  }
  
  .speaker-pill {
    min-height: 62px;
    height: auto;
    border-radius: var(--border-radius-sm);
  }
  
  .speaker-photo-wrap {
    width: 62px;
    height: 62px;
    min-width: 62px;
    align-self: stretch;
  }
  
  .speaker-name-bar {
    padding: 0.6rem 0.85rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.35rem;
    height: auto;
    min-height: 62px;
  }
  
  .speaker-name-text {
    font-size: 0.88rem;
    white-space: normal;
    line-height: 1.25;
    word-break: break-word;
  }
  
  .moderator-block {
    margin-top: 0.5rem;
  }
  
  .moderator-pill {
    min-height: 62px;
    height: auto;
  }
  
  .moderator-badge {
    margin-left: 0;
    font-size: 0.65rem;
    padding: 0.15rem 0.45rem;
    white-space: nowrap;
  }
  
  .slide-card-footer {
    margin-top: 2rem;
    padding-top: 1.15rem;
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }
  
  .slide-footer-mission {
    font-size: 0.72rem;
    line-height: 1.45;
  }
  
  .slide-footer-badge img {
    height: 32px;
  }
  
  /* Timezone Converter */
  .section-tz {
    padding: 3.5rem 1.25rem;
  }
  
  .tz-container {
    padding: 1.75rem 1.25rem;
    flex-direction: column;
    align-items: stretch;
    gap: 1.75rem;
  }
  
  .tz-info h3 {
    font-size: 1.35rem;
  }
  
  .tz-slots {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
  }
  
  .tz-pill {
    min-width: 0;
    padding: 0.85rem 0.5rem;
  }
  
  .tz-pill .tz-time {
    font-size: 1.2rem;
  }
  
  /* Faculty Directory */
  .section-speakers-directory {
    padding: 3.5rem 1.25rem;
  }
  
  .directory-header {
    margin-bottom: 2.25rem;
  }
  
  .directory-header h2 {
    font-size: 1.85rem;
  }
  
  .speakers-grid-all {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }
  
  .faculty-card {
    padding: 0.85rem 1rem;
    gap: 0.85rem;
  }
  
  .faculty-photo {
    width: 52px;
    height: 52px;
  }
  
  .faculty-name {
    font-size: 0.9rem;
  }
  
  /* Lightbox Modal */
  .slides-modal {
    padding: 0.75rem;
  }
  
  .modal-content-box {
    max-height: 94vh;
    border-radius: 12px;
  }
  
  .modal-header {
    padding: 0.85rem 1.15rem;
  }
  
  .modal-title {
    font-size: 1rem;
  }
  
  .modal-body {
    padding: 0.85rem;
    gap: 1rem;
  }
  
  .modal-footer {
    padding: 0.85rem 1.15rem;
    flex-wrap: wrap;
    justify-content: stretch;
    gap: 0.5rem;
  }
  
  .modal-footer .btn-outline,
  .modal-footer .btn-zoom {
    flex: 1 1 100%;
    justify-content: center;
    text-align: center;
  }
  
  /* Footer */
  .site-footer {
    padding: 3.5rem 1.25rem 2rem;
  }
  
  .footer-container {
    gap: 2.25rem;
    margin-bottom: 2.25rem;
  }
  
  .footer-bottom-bar {
    flex-direction: column;
    text-align: center;
    gap: 0.75rem;
  }
}

/* Smartphone Specific (e.g. iPhone, Android <= 600px) */
@media (max-width: 600px) {
  .navbar {
    padding: 0.55rem 0.9rem;
    padding-top: max(0.55rem, env(safe-area-inset-top));
    padding-left: max(0.9rem, env(safe-area-inset-left));
    padding-right: max(0.9rem, env(safe-area-inset-right));
  }

  .brand {
    gap: 0.65rem;
  }

  .brand-logo-img {
    height: 36px;
  }

  .brand-title {
    font-size: 0.98rem;
    letter-spacing: 0.05em;
  }

  .brand-subtitle {
    font-size: 0.62rem;
  }

  .hero-main {
    padding: 2.25rem 1rem 1.75rem;
  }

  .hero-logo-img {
    width: 95px;
  }

  .text-stroke-cyan,
  .text-solid-white {
    font-size: clamp(2rem, 9vw, 3.2rem);
  }

  .hero-tagline {
    font-size: clamp(0.72rem, 2.7vw, 0.95rem);
    letter-spacing: 0.12em;
  }

  .section-program {
    padding: 3rem 0.85rem 3.5rem;
  }

  .slide-card {
    padding: 1.35rem 1rem 1.25rem;
    border-radius: 14px;
  }

  .session-date-badge {
    font-size: 1.1rem;
  }

  .session-number-tag {
    font-size: 0.68rem;
    padding: 0.18rem 0.45rem;
  }

  .session-main-title {
    font-size: clamp(1.2rem, 5vw, 1.65rem);
  }

  .session-sub-title {
    font-size: 0.88rem;
    line-height: 1.4;
    margin-bottom: 1.15rem;
  }

  .session-time-callout {
    font-size: 0.76rem;
    padding: 0.5rem 0.7rem;
    margin-bottom: 1.15rem;
  }

  .speaker-pill {
    min-height: 56px;
  }

  .speaker-photo-wrap {
    width: 56px;
    height: 56px;
    min-width: 56px;
  }

  .speaker-name-bar {
    padding: 0.5rem 0.65rem;
    min-height: 56px;
  }

  .speaker-name-text {
    font-size: 0.82rem;
  }

  .moderator-pill {
    min-height: 56px;
  }

  .section-tz {
    padding: 2.75rem 0.85rem;
  }

  .tz-container {
    padding: 1.35rem 0.85rem;
  }

  .section-speakers-directory {
    padding: 2.75rem 0.85rem;
  }

  .site-footer {
    padding: 2.75rem 0.85rem 1.75rem;
  }
}

/* Very Compact Smartphone (e.g. iPhone SE, 320px - 420px) */
@media (max-width: 420px) {
  .nav-zoom-label {
    display: none;
  }

  .nav-zoom-btn {
    padding: 0.45rem 0.65rem;
    border-radius: 50%;
    width: 38px;
    height: 38px;
    justify-content: center;
  }

  .nav-zoom-btn svg {
    margin: 0;
  }

  .brand-text {
    max-width: 140px;
  }

  .brand-title {
    font-size: 0.92rem;
  }

  .brand-subtitle {
    font-size: 0.58rem;
  }

  .countdown-timer-units {
    gap: 0.35rem;
  }

  .timer-number {
    font-size: 1.15rem;
  }

  .timer-label {
    font-size: 0.55rem;
  }

  .tz-slots {
    grid-template-columns: 1fr;
  }

  .btn-filter {
    font-size: 0.72rem;
    padding: 0.45rem 0.5rem;
  }
}