*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
:root {
  --ink: #080f1e;
  --ink-mid: #0d1c35;
  --ink-card: #102040;
  --ink-light: #16305a;
  --blue: #0066cc;
  --blue-hi: #1a8fe3;
  --blue-lo: #004a99;
  --teal: #00a8b4;
  --teal-hi: #00c8d6;
  --white: #fff;
  --body: #9ab0cc;
  --muted: #4e6a8a;
  --blue-glow: rgba(0, 102, 204, 0.2);
  --blue-rim: rgba(0, 102, 204, 0.32);
  --r: 4px;
  --ease: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
body {
  font-family: "Open Sans", sans-serif;
  background: var(--ink);
  color: var(--white);
  overflow-x: hidden;
  line-height: 1.65;
  max-width: 100vw !important;
}
img {
  display: block;
  max-width: 100%;
  height: auto;
}
a {
  text-decoration: none;
  color: inherit;
}
button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}
section {
  overflow-x: hidden;
}

/* CURSOR */
.cursor {
  position: fixed;
  width: 8px;
  height: 8px;
  background: var(--blue-hi);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition:
    width 0.2s,
    height 0.2s;
  mix-blend-mode: screen;
}
.cursor-ring {
  position: fixed;
  width: 34px;
  height: 34px;
  border: 1.5px solid var(--blue-rim);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9998;
  transform: translate(-50%, -50%);
  transition:
    width 0.2s,
    height 0.2s;
}

/* NAV */
#nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
  height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 2px 60px;
  transition: background var(--ease);
}
#nav.scrolled {
  background: rgba(8, 15, 30, 0.97);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(0, 102, 204, 0.18);
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 14px;
}
.nav-logo img {
  height: 72px;
  width: auto;
  object-fit: contain;
}
.nav-divider {
  width: 1px;
  height: 32px;
  background: rgba(0, 102, 204, 0.3);
  margin: 0 4px;
}
.nav-edition {
  display: flex;
  flex-direction: column;
}
.nav-edition span:first-child {
  font-size: 12px;
  letter-spacing: 2px;
  color: var(--teal);
  text-transform: uppercase;
  font-weight: 700;
}
.nav-edition span:last-child {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.55);
  font-weight: 500;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
  list-style: none;
}
.nav-links a {
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  font-weight: 600;
  color: rgb(255, 236, 236);
  transition: color 0.2s;
}
.nav-links a:hover {
  color: var(--blue-hi);
}
.nav-cta {
  padding: 9px 22px;
  background: var(--blue);
  color: var(--white);
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  font-weight: 700;
  border-radius: var(--r);
  transition:
    background 0.2s,
    transform 0.2s,
    box-shadow 0.2s;
}
.nav-cta:hover {
  background: var(--blue-hi);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(0, 102, 204, 0.45);
  color: #ffffff !important;
}
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  width: 22px;
  height: 2px;
  background: var(--blue-hi);
  border-radius: 2px;
}
.mob-nav {
  display: none;
  position: fixed;
  inset: -30px 0 0;
  background: rgba(8, 15, 30, 0.98);
  z-index: 190;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 28px;
}
.mob-nav a {
  font-family: "Montserrat", sans-serif;
  font-size: 26px;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.7);
  transition: color 0.2s;
}
.mob-nav a:hover {
  color: var(--blue-hi);
}
.mob-nav.open {
  display: flex;
}

.mob-close {
  position: absolute;
  top: 100px;
  right: 20px;
  font-size: 32px;
  color: #fff;
  background: none;
  border: none;
  cursor: pointer;
  line-height: 1;
  font-weight: 300;
  opacity: 1;
  transition: opacity 0.2s;
  z-index: 10;
}
.mob-close:hover { opacity: 1; }

/* ── HERO ── */
/* hero + org-strip together fill one viewport (nav is fixed/overlapping) */
#hero {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding-top: 74px;
  min-height: calc(100vh - var(--strip-h, 128px));
}
.hero-slides {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 2s ease;
  background-size: cover;
  background-position: center;
}
.hero-slide.active {
  opacity: 1;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: #0d1c35b3;
  /* background: linear-gradient(
    180deg,
    rgba(8, 15, 30, 0.5) 0%,
    rgba(8, 15, 30, 0.05) 30%,
    rgba(8, 15, 30, 0.25) 60%,
    rgba(8, 15, 30, 0.97) 100%
  ); */
}
.hero-overlay::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    rgba(8, 15, 30, 0.75) 0%,
    rgba(8, 15, 30, 0.15) 55%,
    transparent 100%
  );
}
.hero-geo {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}
#particles {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  overflow: hidden;
}
.hero-content {
  position: relative;
  z-index: 3;
  padding: 20px 80px 56px;
  max-width: 1000px;
  width: 100%;
}
.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 7px 16px;
  border: 1px solid var(--blue-rim);
  border-radius: 100px;
  background: rgba(0, 102, 204, 0.1);
  margin-bottom: 18px;
  opacity: 0;
  animation: fup 0.8s 0.3s forwards;
}
.pdot {
  width: 7px;
  height: 7px;
  background: var(--teal-hi);
  border-radius: 50%;
  animation: blink 2s ease-in-out infinite;
}
@keyframes blink {
  0%,
  100% {
    opacity: 1;
    box-shadow: 0 0 0 0 rgba(0, 200, 214, 0.5);
  }
  50% {
    opacity: 0.4;
    box-shadow: 0 0 0 8px rgba(0, 200, 214, 0);
  }
}
.hero-pill span {
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--teal-hi);
  text-transform: uppercase;
  font-weight: 700;
}
.hero-h1 {
  font-family: "Montserrat", sans-serif;
  font-weight: 900;
  line-height: 0.92;
  margin-bottom: 18px;
}
.hero-h1 .l1 {
  display: block;
  font-size: clamp(44px, 6vw, 70px);
  color: var(--white);
  opacity: 0;
  animation: fup 0.8s 0.5s forwards;
  letter-spacing: -1.5px;
}
.hero-h1 .l2 {
  display: block;
  font-size: clamp(44px, 6vw, 70px);
  color: var(--blue-hi);
  opacity: 0;
  animation: fup 0.8s 0.65s forwards;
  letter-spacing: -1.5px;
}
.hero-h1 .l3 {
  display: block;
  font-size: clamp(15px, 1.7vw, 22px);
  color: rgba(255, 255, 255, 0.92);
  font-weight: 500;
  letter-spacing: 3px;
  text-transform: uppercase;
  opacity: 0;
  animation: fup 0.8s 0.8s forwards;
  margin-top: 12px;
}
@keyframes fup {
  from {
    opacity: 0;
    transform: translateY(26px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* DATE SPLIT DISPLAY in hero */
.hero-dates {
  display: flex;
  align-items: stretch;
  gap: 0;
  margin-bottom: 0;
  opacity: 0;
  animation: fup 0.8s 0.95s forwards;
  border: 1px solid rgba(0, 102, 204, 0.3);
  border-radius: var(--r);
  overflow: hidden;
  width: fit-content;
  max-width: 100%;
  flex-wrap: wrap;
}
.hd-block {
  padding: 12px 22px;
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.hd-block:first-child {
  background: var(--blue);
  border-right: 1px solid rgba(255, 255, 255, 0.15);
}
.hd-block:last-child {
  background: rgba(0, 102, 204, 0.12);
}
.hd-tag {
  font-size: 9px;
  letter-spacing: 2px;
  color: rgba(255, 255, 255, 0.65);
  text-transform: uppercase;
  font-weight: 700;
}
.hd-dates {
  font-family: "Montserrat", sans-serif;
  font-size: 15px;
  font-weight: 800;
  color: var(--white);
  letter-spacing: 0.3px;
}
.hd-label {
  font-size: 10px;
  color: rgba(255, 255, 255, 0.55);
  font-weight: 500;
}
.hd-sep {
  width: 1px;
  background: rgba(0, 102, 204, 0.25);
}

.hero-info-row {
  display: flex;
  align-items: stretch;
  gap: 24px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.hero-dates {
  display: flex;
  align-items: stretch;
  gap: 0;
  margin-bottom: 0;
  opacity: 0;
  animation: fup 0.8s 0.95s forwards;
  border: 1px solid rgba(0, 102, 204, 0.3);
  border-radius: var(--r);
  overflow: hidden;
  width: fit-content;
  max-width: 100%;
  flex-wrap: wrap;
}
.hero-meta {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-bottom: 0;
  opacity: 0;
  animation: fup 0.8s 1.05s forwards;
  flex-wrap: wrap;
}
.hmi {
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.hmi-l {
  font-size: 9px;
  letter-spacing: 2px;
  color: var(--teal);
  text-transform: uppercase;
  font-weight: 700;
}
.hmi-v {
  font-size: 14px;
  color: var(--white);
  font-weight: 600;
}
.hm-sep {
  width: 1px;
  height: 28px;
  background: rgba(0, 102, 204, 0.28);
}
.hero-btns {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  opacity: 0;
  animation: fup 0.8s 1.15s forwards;
  margin-bottom: 8px;
}
.btn-blue {
  padding: 13px 30px;
  background: var(--blue);
  color: var(--white);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  border-radius: var(--r);
  transition: all 0.25s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  border: 2px solid var(--blue);
}
.btn-blue:hover {
  background: var(--blue-hi);
  border-color: var(--blue-hi);
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(0, 102, 204, 0.5);
}
.btn-outline-w {
  padding: 11px 28px;
  background: transparent;
  color: var(--white);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  border: 2px solid rgba(255, 255, 255, 0.28);
  border-radius: var(--r);
  transition: all 0.25s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 9px;
}
.btn-outline-w:hover {
  border-color: var(--blue-hi);
  color: var(--blue-hi);
  background: rgba(0, 102, 204, 0.1);
}
.hero-dots {
  position: absolute;
  bottom: 24px;
  right: 80px;
  z-index: 3;
  display: flex;
  gap: 8px;
}
.hdot {
  width: 26px;
  height: 3px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 3px;
  cursor: pointer;
  transition: all 0.3s;
}
.hdot.active {
  background: var(--blue-hi);
  width: 44px;
}

/* ORGANISER STRIP — redesigned: Hosted by (3 logos) + Organised by (1 logo) */
.org-strip {
  background: var(--ink-card);
  border-top: 1px solid rgba(0, 102, 204, 0.15);
  border-bottom: 3px solid var(--blue);
  padding: 18px 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0;
  flex-wrap: wrap;
}
.org-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 0 48px;
  border-right: 1px solid rgba(0, 102, 204, 0.18);
  text-align: center;
}
.org-block:last-child {
  border-right: none;
}
.org-block:first-child {
  padding-left: 0;
}
.org-role {
  font-size: 9px;
  letter-spacing: 2.5px;
  color: var(--teal);
  text-transform: uppercase;
  font-weight: 700;
}
.org-logos {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 30px;
  flex-wrap: wrap;
}
/* fixed logo box — normalises any logo dimension to the same height, centered */
.org-logo {
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.org-logo.pd{
    height: 50px;
}
.org-logo img {
  height: 100%;
  width: auto;
  max-width: 150px;
  object-fit: contain;
  transition: opacity 0.2s;
}


/* IMPACT BAR */
.impact-bar {
  background: var(--blue);
  display: flex;
}
.ib-item {
  flex: 1;
  padding: 22px 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  border-right: 1px solid rgba(255, 255, 255, 0.15);
  transition: background 0.25s;
  text-align: center;
}
.ib-item:last-child {
  border-right: none;
}
.ib-item:hover {
  background: var(--blue-lo);
}
.ib-num {
  font-family: "Montserrat", sans-serif;
  font-size: 42px;
  font-weight: 900;
  color: var(--white);
  line-height: 1;
  margin-bottom: 3px;
}
.ib-plus {
  font-size: 26px;
  vertical-align: top;
  margin-top: 6px;
  display: inline-block;
}
.ib-lbl {
  font-size: 9px;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.6);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  line-height: 1.5;
}

/* SECTIONS */
.sec {
  padding: 108px 80px;
}
.sec-dark {
  background: var(--ink);
}
.sec-mid {
  background: var(--ink-mid);
}
.eyebrow {
  font-size: 10px;
  letter-spacing: 3px;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--teal);
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--teal);
  border-radius: 2px;
}
.sec-h {
  font-family: "Montserrat", sans-serif;
  font-size: clamp(34px, 3.8vw, 54px);
  font-weight: 800;
  line-height: 1.05;
  margin-bottom: 16px;
  letter-spacing: -1px;
}
.sec-h em {
  font-style: normal;
  color: var(--blue-hi);
}
.blue-rule {
  width: 44px;
  height: 3px;
  background: var(--blue);
  border-radius: 3px;
  margin: 16px 0 24px;
}
.sbody {
  font-size: 15px;
  color: var(--body);
  line-height: 1.8;
  max-width: 520px;
}

/* ABOUT */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 88px;
  align-items: center;
}
.av-stack {
  position: relative;
}
.av-main {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  border-radius: var(--r);
  display: block;
}
.av-inset {
  position: absolute;
  bottom: -24px;
  right: -24px;
  width: 50%;
  aspect-ratio: 3/2;
  object-fit: cover;
  border-radius: var(--r);
  border: 3px solid var(--ink);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.55);
}
.av-stack::before {
  content: "";
  position: absolute;
  inset: -2px;
  border-radius: calc(var(--r)+2px);
  background: linear-gradient(135deg, var(--blue), var(--teal));
  z-index: -1;
  opacity: 0.5;
}
.av-counter {
  position: absolute;
  top: -16px;
  left: -16px;
  background: var(--blue);
  padding: 16px 20px;
  border-radius: var(--r);
  box-shadow: 0 8px 32px rgba(0, 102, 204, 0.5);
}
.av-counter-num {
  font-family: "Montserrat", sans-serif;
  font-size: 34px;
  font-weight: 900;
  color: var(--white);
  line-height: 1;
}
.av-counter-lbl {
  font-size: 10px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.6);
  font-weight: 700;
  margin-top: 3px;
}
.pillars {
  margin-top: 30px;
  border: 1px solid rgba(0, 102, 204, 0.16);
  border-radius: var(--r);
  overflow: hidden;
}
.pillar {
  padding: 13px 16px;
  border-bottom: 1px solid rgba(0, 102, 204, 0.09);
  display: flex;
  gap: 13px;
  align-items: flex-start;
  transition: background 0.2s;
  cursor: default;
}
.pillar:last-child {
  border-bottom: none;
}
.pillar:hover {
  background: rgba(0, 102, 204, 0.07);
}
.p-n {
  font-size: 9px;
  letter-spacing: 2px;
  color: var(--teal);
  font-weight: 700;
  min-width: 24px;
  padding-top: 2px;
}
.p-b strong {
  display: block;
  font-size: 12.5px;
  color: var(--white);
  font-weight: 700;
  margin-bottom: 1px;
}
.p-b span {
  font-size: 11.5px;
  color: var(--muted);
  line-height: 1.5;
}

/* VIDEO BANNER */
.vid-banner {
  position: relative;
  min-height: 480px;
  height: auto;
  padding: 80px 40px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.vid-bg {
  position: absolute;
  inset: 0;
  object-fit: cover;
  width: 100%;
  height: 100%;
  opacity: 0.28;
  filter: blur(3px);
}
.vid-ov {
  position: absolute;
  inset: 0;
  background: rgba(8, 15, 30, 0.68);
}
.vid-scan {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--blue-hi),
    var(--teal),
    transparent
  );
  animation: scan 4s ease-in-out infinite;
  opacity: 0.5;
}
@keyframes scan {
  0%,
  100% {
    top: 0;
    opacity: 0;
  }
  10% {
    opacity: 0.6;
  }
  90% {
    opacity: 0.3;
  }
  100% {
    top: 100%;
  }
}
.vid-inner {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 40px;
  max-width: 660px;
}
.play-btn {
  width: 78px;
  height: 78px;
  border-radius: 50%;
  border: 2px solid var(--blue-hi);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s;
  background: rgba(0, 102, 204, 0.15);
  margin: 22px 0;
  position: relative;
}
.play-btn::before {
  content: "";
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  border: 1px solid rgba(0, 102, 204, 0.3);
  animation: ripple 2.5s ease-out infinite;
}
@keyframes ripple {
  0% {
    transform: scale(1);
    opacity: 0.7;
  }
  100% {
    transform: scale(1.5);
    opacity: 0;
  }
}
.play-btn:hover {
  background: var(--blue);
  transform: scale(1.08);
  box-shadow: 0 0 48px rgba(0, 102, 204, 0.6);
}
.play-btn svg {
  width: 24px;
  height: 24px;
  fill: var(--blue-hi);
  transition: fill 0.3s;
  margin-left: 4px;
}
.play-btn:hover svg {
  fill: var(--white);
}
.vid-modal {
  position: fixed;
  inset: 0;
  z-index: 500;
  background: rgba(0, 0, 0, 0.94);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 40px;
}
.vid-modal.open {
  display: flex;
}
.vid-fw {
  position: relative;
  width: 100%;
  max-width: 1000px;
  aspect-ratio: 16/9;
}
.vid-fw iframe {
  width: 100%;
  height: 100%;
  border: none;
  border-radius: var(--r);
}
.vid-close {
  position: absolute;
  top: -44px;
  right: 0;
  color: rgba(255, 255, 255, 0.6);
  font-size: 30px;
  cursor: pointer;
  transition: color 0.2s;
}
.vid-close:hover {
  color: var(--blue-hi);
}

/* SPEAKERS */
.spk-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 68px;
  align-items: end;
  margin-bottom: 52px;
}
.spk-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
}
.spk-card {
  background: var(--ink-card);
  border: 1px solid rgba(0, 102, 204, 0.12);
  border-radius: var(--r);
  overflow: hidden;
  transition:
    transform var(--ease),
    border-color var(--ease),
    box-shadow var(--ease);
  cursor: default;
  display: flex;
  flex-direction: column;
}
.spk-card:hover {
  transform: translateY(-7px);
  border-color: var(--blue-rim);
  box-shadow: 0 22px 52px rgba(0, 0, 0, 0.5);
}
.spk-photo {
  width: 100%;
  aspect-ratio: 3/4;
  overflow: hidden;
  background: var(--ink-light);
  position: relative;
  flex-shrink: 0;
}
.spk-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  transition: transform 0.55s ease;
}
.spk-card:hover .spk-photo img {
  transform: scale(1.05);
}
.spk-shim {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    transparent 50%,
    rgba(8, 15, 30, 0.88) 100%
  );
}
.spk-org {
  position: absolute;
  top: 10px;
  left: 10px;
  background: var(--blue);
  padding: 3px 9px;
  border-radius: 2px;
  font-size: 9px;
  color: var(--white);
  letter-spacing: 1.5px;
  text-transform: uppercase;
  font-weight: 700;
  box-shadow: 0 2px 10px rgba(0, 102, 204, 0.5);
}
.spk-info {
  padding: 13px;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  background: var(--ink-card);
}
.spk-he {
  font-size: 9px;
  letter-spacing: 2px;
  color: var(--teal);
  text-transform: uppercase;
  font-weight: 700;
  margin-bottom: 3px;
}
.spk-name {
  font-size: 12.5px;
  font-weight: 700;
  color: var(--white);
  line-height: 1.3;
  margin-bottom: 3px;
  font-family: "Montserrat", sans-serif;
}
.spk-role {
  font-size: 10.5px;
  color: var(--muted);
  line-height: 1.4;
}
.tba-card {
  background: var(--ink-card);
  border: 1px dashed rgba(0, 102, 204, 0.14);
  border-radius: var(--r);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 28px 14px;
  aspect-ratio: 3/4;
}
.tba-card p {
  font-size: 9px;
  color: var(--muted);
  letter-spacing: 1px;
  text-transform: uppercase;
  text-align: center;
}

/* ══════════════════════════════════════
   AGENDA — redesigned, impactful
══════════════════════════════════════ */
.agenda-outer {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 0;
  min-height: 520px;
  border: 1px solid rgba(0, 102, 204, 0.15);
  border-radius: var(--r);
  overflow: hidden;
}
.ag-sidebar {
  background: rgba(0, 0, 0, 0.25);
  border-right: 1px solid rgba(0, 102, 204, 0.15);
  display: flex;
  flex-direction: column;
}
/* date-phase tabs */
.ag-phase {
  padding: 0;
  border-bottom: 1px solid rgba(0, 102, 204, 0.12);
}
.ag-phase:last-child {
  border-bottom: none;
  flex: 1;
}
.ag-phase-head {
  padding: 16px 18px;
  cursor: pointer;
  border-left: 4px solid transparent;
  transition:
    background 0.2s,
    border-left-color 0.2s;
  user-select: none;
}
.ag-phase-head.active {
  background: rgba(0, 102, 204, 0.12);
  border-left-color: var(--blue-hi);
}
.ag-phase-head:hover:not(.active) {
  background: rgba(255, 255, 255, 0.03);
}
.ag-ph-tag {
  font-size: 8px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--teal);
  font-weight: 700;
  margin-bottom: 4px;
}
.ag-ph-dates {
  font-family: "Montserrat", sans-serif;
  font-size: 15px;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 2px;
}
.ag-ph-theme {
  font-size: 10px;
  color: var(--muted);
  line-height: 1.4;
}
/* day sub-tabs */
.ag-days-row {
  display: flex;
  border-bottom: 1px solid rgba(0, 102, 204, 0.1);
}
.ag-day-btn {
  flex: 1;
  padding: 9px 4px;
  text-align: center;
  cursor: pointer;
  font-size: 9px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--muted);
  transition:
    color 0.2s,
    background 0.2s;
  border-right: 1px solid rgba(0, 102, 204, 0.1);
}
.ag-day-btn:last-child {
  border-right: none;
}
.ag-day-btn.active {
  color: var(--white);
  background: rgba(0, 102, 204, 0.15);
}
.ag-day-btn:hover:not(.active) {
  color: var(--body);
}

.ag-main {
  padding: 0;
}
.ag-panel {
  display: none;
  flex-direction: column;
}
.ag-panel.active {
  display: flex;
}

/* single agenda item — rich card */
.ag-item {
  display: grid;
  grid-template-columns: 72px 1fr auto;
  gap: 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  transition: background 0.2s;
  align-items: stretch;
}
.ag-item:last-child {
  border-bottom: none;
}
.ag-item:hover {
  background: rgba(0, 102, 204, 0.05);
}
.ag-time-col {
  padding: 18px 10px 18px 20px;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  justify-content: flex-start;
  border-right: 1px solid rgba(0, 102, 204, 0.1);
  margin-right: 0;
}
.ag-time {
  font-size: 11px;
  color: var(--blue-hi);
  font-weight: 700;
  letter-spacing: 0.5px;
  line-height: 1;
  margin-bottom: 3px;
}
.ag-dur {
  font-size: 9px;
  color: var(--muted);
  letter-spacing: 0.3px;
}
/* coloured dot */
.ag-dot-col {
  width: 3px;
  background: var(--blue);
  flex-shrink: 0;
  margin: 0;
}
.ag-dot-col.dc-teal {
  background: var(--teal);
}
.ag-dot-col.dc-purple {
  background: #7b6fe0;
}
.ag-dot-col.dc-green {
  background: #2ecc8a;
}
.ag-body {
  padding: 16px 18px;
  flex: 1;
}
.ag-type {
  font-size: 8px;
  letter-spacing: 2px;
  text-transform: uppercase;
  font-weight: 700;
  margin-bottom: 5px;
  display: inline-block;
  padding: 2px 8px;
  border-radius: 2px;
}
.at-keynote {
  background: rgba(0, 102, 204, 0.15);
  color: var(--blue-hi);
}
.at-panel {
  background: rgba(255, 255, 255, 0.06);
  color: rgba(255, 255, 255, 0.4);
}
.at-workshop {
  background: rgba(0, 168, 180, 0.12);
  color: var(--teal-hi);
}
.at-hackathon {
  background: rgba(123, 111, 224, 0.12);
  color: #9b90f0;
}
.at-net {
  background: rgba(46, 204, 138, 0.1);
  color: #2ecc8a;
}
.at-ceremony {
  background: rgba(0, 102, 204, 0.2);
  color: var(--white);
}
.ag-title {
  font-family: "Montserrat", sans-serif;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 5px;
  line-height: 1.3;
}
.ag-desc {
  font-size: 11.5px;
  color: var(--muted);
  line-height: 1.55;
  margin-bottom: 8px;
}
/* speaker mini-avatars row */
.ag-speakers {
  display: flex;
  align-items: center;
  gap: 0;
}
.ag-spk-avatar {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 2px solid var(--ink-card);
  overflow: hidden;
  margin-left: -6px;
  background: var(--ink-light);
  flex-shrink: 0;
  transition:
    transform 0.2s,
    z-index 0.2s;
  position: relative;
}
.ag-spk-avatar:first-child {
  margin-left: 0;
}
.ag-spk-avatar:hover {
  transform: scale(1.15);
  z-index: 10;
}
.ag-spk-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
}
.ag-spk-more {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 2px solid var(--ink-card);
  background: var(--blue-lo);
  margin-left: -6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 9px;
  color: rgba(255, 255, 255, 0.7);
  font-weight: 700;
  flex-shrink: 0;
}
.ag-spk-names {
  font-size: 10px;
  color: var(--muted);
  margin-left: 8px;
  line-height: 1.4;
}

/* empty placeholder avatar */
.av-ph {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 2px dashed rgba(0, 102, 204, 0.3);
  background: rgba(0, 102, 204, 0.06);
  margin-left: -6px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.av-ph:first-child {
  margin-left: 0;
}
.av-ph svg {
  width: 12px;
  height: 12px;
  stroke: rgba(0, 102, 204, 0.4);
  fill: none;
  stroke-width: 1.5;
}

/* SPONSORS — recreated: centered tiers, responsive auto-fit logo grid */
.spons-wrap {
  max-width: 1080px;
  margin: 0 auto;
}
.tier-row {
  margin-bottom: 44px;
  text-align: center;
}
.tier-row:last-of-type {
  margin-bottom: 0;
}
.tier-head {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 24px;
}
.tier-head::before,
.tier-head::after {
  content: "";
  height: 1px;
  width: 60px;
  background: linear-gradient(90deg, transparent, rgba(0, 102, 204, 0.35));
  flex: 0 0 auto;
}
.tier-head::after {
  background: linear-gradient(90deg, rgba(0, 102, 204, 0.35), transparent);
}
.t-pill {
  padding: 6px 18px;
  border-radius: 100px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  white-space: nowrap;
}
.td {
  background: linear-gradient(135deg, #b8eeff, #7ad4f0);
  color: #02344a;
}
.ts {
  background: linear-gradient(135deg, #b0c4de, #d8e8f8);
  color: #1a2a3a;
}
.tst {
  background: linear-gradient(135deg, var(--blue), var(--blue-hi));
  color: #fff;
}
.tsup {
  background: rgba(255, 255, 255, 0.07);
  color: rgba(255, 255, 255, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.14);
}
/* responsive grid — auto-fit keeps logos centered & even at every width */
.logos-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(150px, 1fr));
  gap: 14px;
  justify-items: stretch;
  justify-content: center;
}
.logos-row.lg {
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  max-width: 760px;
  margin: 0 auto;
}
.lchip {
  background: #fff;
  border: 1px solid rgba(0, 102, 204, 0.14);
  border-radius: var(--r);
  padding: 0 22px;
  height: 84px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition:
    border-color 0.25s,
    background 0.25s,
    transform 0.25s;
}
.lchip:hover {
  border-color: var(--blue-rim);
  transform: translateY(-3px);
}
/* every logo normalises to identical height regardless of source dimensions */
.lchip img {
  max-height: 55px;
  max-width: 100%;
  width: auto;
  object-fit: contain;
  opacity: 0.8;
  transition: opacity 0.25s;
}
.lchip:hover img {
  opacity: 1;
}
.lchip.lg {
  height: 104px;
}
.lchip.lg img {
  max-height: 55px;
  opacity: 0.7;
}
.spons-cta {
  margin-top: 56px;
  padding: 48px 52px;
  background: linear-gradient(
    135deg,
    rgba(0, 102, 204, 0.12) 0%,
    rgba(0, 168, 180, 0.06) 100%
  );
  border: 1px solid var(--blue-rim);
  border-radius: var(--r);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  position: relative;
  overflow: hidden;
  text-align: left;
}
.spons-cta::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--blue) 25%,
    var(--teal-hi) 50%,
    var(--blue) 75%,
    transparent
  );
}
.spons-cta::after {
  content: "";
  position: absolute;
  top: -60px;
  right: -60px;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(0, 102, 204, 0.18), transparent 70%);
  border-radius: 50%;
  animation: cglow 4s ease-in-out infinite alternate;
}
@keyframes cglow {
  0% {
    opacity: 0.5;
    transform: scale(1);
  }
  100% {
    opacity: 1;
    transform: scale(1.15);
  }
}
.spons-cta h3 {
  font-family: "Montserrat", sans-serif;
  font-size: clamp(22px, 2.4vw, 28px);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 7px;
  letter-spacing: -0.5px;
}
.spons-cta p {
  font-size: 14px;
  color: var(--body);
  max-width: 430px;
}

/* GALLERY */
.gal-mosaic {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-auto-rows: 76px;
  gap: 8px;
}
.gi {
  overflow: hidden;
  border-radius: var(--r);
  position: relative;
  cursor: pointer;
}
.gi img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition:
    transform 0.55s ease,
    filter 0.35s ease;
}
.gi:hover img {
  transform: scale(1.06);
  filter: brightness(1.08);
}
.gi-ov {
  position: absolute;
  inset: 0;
  background: rgba(8, 15, 30, 0);
  transition: background 0.3s;
}
.gi:hover .gi-ov {
  background: rgba(0, 60, 140, 0.35);
}
.gi-zoom {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s;
}
.gi:hover .gi-zoom {
  opacity: 1;
}
.zi {
  width: 38px;
  height: 38px;
  border: 1.5px solid rgba(255, 255, 255, 0.8);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.zi svg {
  width: 15px;
  height: 15px;
  stroke: white;
  fill: none;
  stroke-width: 2;
}
.ga {
  grid-column: span 5;
  grid-row: span 5;
}
.gb {
  grid-column: span 4;
  grid-row: span 3;
}
.gc {
  grid-column: span 3;
  grid-row: span 3;
}
.gd {
  grid-column: span 4;
  grid-row: span 4;
}
.ge {
  grid-column: span 3;
  grid-row: span 2;
}
.gf {
  grid-column: span 5;
  grid-row: span 3;
}
.gg {
  grid-column: span 4;
  grid-row: span 2;
}
.gh {
  grid-column: span 3;
  grid-row: span 2;
}
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 400;
  background: rgba(0, 0, 0, 0.96);
  display: none;
  align-items: center;
  justify-content: center;
}
.lightbox.open {
  display: flex;
}
.lb-img {
  max-width: 92vw;
  max-height: 90vh;
  object-fit: contain;
  border-radius: var(--r);
}
.lb-close {
  position: absolute;
  top: 24px;
  right: 32px;
  color: rgba(255, 255, 255, 0.55);
  font-size: 28px;
  cursor: pointer;
}
.lb-close:hover {
  color: var(--blue-hi);
}
.lb-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0, 102, 204, 0.12);
  border: 1px solid var(--blue-rim);
  border-radius: 50%;
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.2s;
  color: white;
  font-size: 22px;
}
.lb-nav:hover {
  background: var(--blue-glow);
  border-color: var(--blue-hi);
}
.lb-prev {
  left: 24px;
}
.lb-next {
  right: 24px;
}

/* CONTACT */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 88px;
  align-items: start;
}
.c-detail {
  display: flex;
  align-items: flex-start;
  gap: 13px;
  margin-bottom: 20px;
}
.c-icon {
  width: 40px;
  height: 40px;
  border: 1px solid var(--blue-rim);
  border-radius: var(--r);
  display: grid;
  place-items: center;
  flex-shrink: 0;
  background: rgba(0, 102, 204, 0.08);
}
.c-icon svg {
  width: 15px;
  height: 15px;
  stroke: var(--blue-hi);
  fill: none;
  stroke-width: 1.5;
}
.c-lbl {
  font-size: 9px;
  letter-spacing: 2px;
  color: var(--teal);
  text-transform: uppercase;
  font-weight: 700;
  margin-bottom: 3px;
}
.c-val {
  font-size: 14px;
  color: var(--white);
  font-weight: 600;
}
.venue-card {
  margin-top: 28px;
  border-radius: var(--r);
  overflow: hidden;
  border: 1px solid rgba(0, 102, 204, 0.2);
}
.venue-img {
  width: 100%;
  height: 148px;
  object-fit: cover;
}
.venue-foot {
  padding: 16px;
  background: rgba(0, 102, 204, 0.06);
  border-top: 1px solid rgba(0, 102, 204, 0.15);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 13px;
}
.vf .vfl {
  font-size: 9px;
  letter-spacing: 1.5px;
  color: var(--teal);
  text-transform: uppercase;
  font-weight: 700;
  margin-bottom: 3px;
}
.vf .vfv {
  font-size: 13px;
  color: var(--white);
  font-weight: 600;
}
.form-box {
  background: var(--ink-card);
  border: 1px solid rgba(0, 102, 204, 0.18);
  border-radius: var(--r);
  padding: 42px;
  position: relative;
  overflow: hidden;
}
.form-box::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--blue), var(--teal));
}
.form-title {
  font-family: "Montserrat", sans-serif;
  font-size: 24px;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 5px;
  letter-spacing: -0.5px;
}
.form-sub {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 26px;
}
.fg {
  margin-bottom: 16px;
}
.fl {
  display: block;
  font-size: 9px;
  letter-spacing: 2px;
  color: var(--teal);
  text-transform: uppercase;
  font-weight: 700;
  margin-bottom: 6px;
}
.fi,
.fsel,
.fta {
  width: 100%;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(0, 102, 204, 0.14);
  border-radius: var(--r);
  padding: 11px 13px;
  color: var(--white);
  font-size: 14px;
  font-family: "Open Sans", sans-serif;
  outline: none;
  transition:
    border-color 0.2s,
    background 0.2s;
  appearance: none;
}
.fi::placeholder,
.fta::placeholder {
  color: var(--muted);
}
.fi:focus,
.fsel:focus,
.fta:focus {
  border-color: var(--blue-hi);
  background: rgba(0, 102, 204, 0.06);
  box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.12);
}
.fsel {
  cursor: pointer;
}
.fsel option {
  background: var(--ink-mid);
}
.fta {
  resize: vertical;
  min-height: 82px;
}
.frow {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 13px;
}
.f-btn {
  width: 100%;
  padding: 14px;
  background: var(--blue);
  color: var(--white);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  border-radius: var(--r);
  border: none;
  cursor: pointer;
  transition: all 0.25s;
  margin-top: 4px;
  font-family: "Open Sans", sans-serif;
}
.f-btn:hover {
  background: var(--blue-hi);
  transform: translateY(-1px);
  box-shadow: 0 10px 28px rgba(0, 102, 204, 0.45);
}
.f-note {
  font-size: 11px;
  color: var(--muted);
  text-align: center;
  margin-top: 11px;
  line-height: 1.6;
}

/* FOOTER — redesigned to match brief layout */
footer {
  background: #040a16;
  padding: 0;
  border-top: none;
}
.foot-main {
  padding: 72px 80px 56px;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
  align-items: start;
}
/* brand column */
.foot-brand {
  display: flex;
  align-items: center;
  gap: 26px;
  flex-wrap: wrap;
}
.foot-brand .fb-logo {
  height: 96px;
  width: auto;
  object-fit: contain;
}
.foot-collab {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.foot-collab .fc-label {
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.85);
}
.foot-collab .fc-logos {
  display: flex;
  align-items: center;
  gap: 14px;
}
.foot-collab .fc-logos img {
  height: 46px;
  width: auto;
  object-fit: contain;
  filter: brightness(0) invert(1);
  opacity: 0.92;
}
/* column headings */
.foot-col-h {
  font-size: 18px;
  letter-spacing: 3px;
  text-transform: uppercase;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 26px;
}
.foot-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.foot-links a {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.92);
  transition: color 0.2s;
  letter-spacing: 0.5px;
}
.foot-links a:hover {
  color: var(--blue-hi);
}
/* contact column */
.foot-contact {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.fct-row {
  display: flex;
  align-items: center;
  gap: 14px;
}
.fct-row svg {
  width: 20px;
  height: 20px;
  stroke: var(--white);
  fill: none;
  stroke-width: 1.6;
  flex-shrink: 0;
}
.fct-row span {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.92);
  letter-spacing: 0.3px;
}
.foot-social {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-top: 6px;
}
.foot-social a {
  color: var(--white);
  opacity: 0.92;
  transition:
    opacity 0.2s,
    transform 0.2s;
}
.foot-social a:hover {
  opacity: 1;
  transform: translateY(-2px);
}
.foot-social svg {
  width: 26px;
  height: 26px;
  display: block;
}
/* light bottom bar */
.foot-bot {
  background: #0d1c35;
  padding: 26px 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  position: relative;
}
.foot-bot .fb-copy {
  font-size: 15px;
  color: #eee;
  letter-spacing: 0.5px;
  font-weight: 500;
}
.foot-bot .fb-legal {
  font-size: 15px;
  color: #eee;
  letter-spacing: 0.3px;
}
.foot-bot .fb-legal a {
  color: #eee;
  transition: color 0.2s;
}
.foot-bot .fb-legal a:hover {
  color: #fff;
}
.foot-bot .fb-org {
  display: flex;
  align-items: center;
}
.foot-bot .fb-org img {
  height: 46px;
  width: auto;
  object-fit: contain;
}
/* scroll to top */
.to-top {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: #1a1a1a;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition:
    background 0.2s,
    transform 0.2s;
  flex-shrink: 0;
}
.to-top:hover {
  background: var(--blue);
  transform: translateY(-2px);
}
.to-top svg {
  width: 20px;
  height: 20px;
  stroke: #fff;
  fill: none;
  stroke-width: 2.4;
}

/* REVEAL */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition:
    opacity 0.75s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.75s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.in {
  opacity: 1;
  transform: none;
}
.d1 {
  transition-delay: 0.1s;
}
.d2 {
  transition-delay: 0.2s;
}
.d3 {
  transition-delay: 0.3s;
}
.d4 {
  transition-delay: 0.4s;
}
.d5 {
  transition-delay: 0.5s;
}

/* ════════════════ RESPONSIVE ════════════════ */

/* ── Large laptop / small desktop (≤1280px) ── */
@media (max-width: 1280px) {
  #nav {
    padding: 0 40px;
  }
  .sec {
    padding: 96px 56px;
  }
  .hero-content {
    padding: 0 56px 52px;
  }
  .hero-dots {
    right: 56px;
  }
  .about-grid {
    gap: 56px;
  }
  .contact-grid {
    gap: 56px;
  }
  .spk-grid {
    grid-template-columns: repeat(5, 1fr);
    gap: 12px;
  }
  .spk-photo {
    aspect-ratio: 1/1.1;
  }
  .spk-info {
    padding: 10px 8px;
    min-height: 76px;
  }
  .spk-name {
    font-size: 10.5px;
    line-height: 1.25;
  }
  .spk-role {
    font-size: 9px;
    line-height: 1.3;
  }
  .spk-he {
    font-size: 8px;
  }
  .foot-main {
    padding: 64px 56px 48px;
  }
  .foot-bot {
    padding: 24px 56px;
  }
}

/* ── Tablet landscape (≤1024px) ── */
@media (max-width: 1024px) {
  #nav {
    padding: 0 32px;
  }
  .nav-links {
    display: none;
  }
  .hamburger {
    display: flex;
  }
  .sec {
    padding: 84px 40px;
  }
  .hero-content {
    padding: 0 40px 48px;
  }
  .hero-h1 .l1,
  .hero-h1 .l2 {
    font-size: clamp(40px, 7vw, 72px);
  }
  .about-grid,
  .contact-grid,
  .spk-intro {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .av-inset {
    width: 46%;
  }
  .spk-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .spk-photo {
    aspect-ratio: 1/1.15;
  }
  .spk-info {
    padding: 11px;
    min-height: 70px;
  }
  .spk-name {
    font-size: 11px;
  }
  .spk-role {
    font-size: 9.5px;
  }
  /* agenda → stacked */
  .agenda-outer {
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr;
  }
  .ag-sidebar {
    flex-direction: row;
    overflow-x: auto;
    border-right: none;
    border-bottom: 1px solid rgba(0, 102, 204, 0.15);
  }
  .ag-phase {
    border-bottom: none;
    border-right: 1px solid rgba(0, 102, 204, 0.12);
    flex: 0 0 auto;
  }
  .ag-phase:last-child {
    flex: 0 0 auto;
  }
  .ag-phase-head {
    min-width: 150px;
  }
  .ag-main {
    min-height: 400px;
  }
  /* org strip */
  .org-strip {
    padding: 16px 40px;
    gap: 20px;
  }
  .org-block {
    padding: 0 28px;
  }
  /* footer → 2 cols */
  .foot-main {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    padding: 60px 40px 44px;
  }
  .foot-brand {
    grid-column: 1 / -1;
  }
  .foot-bot {
    padding: 22px 40px;
  }
  /* video banner */
  .vid-banner {
    height: auto;
    min-height: 420px;
    padding: 72px 24px;
  }
}

/* ── Tablet portrait (≤768px) ── */
@media (max-width: 768px) {
  .sec {
    padding: 64px 28px;
  }
  /* hero */
  #hero {
    min-height: auto;
    padding-top: 64px;
  }
  .hero-content {
    padding: 120px 28px 40px;
    max-width: 100%;
  }
  .hero-pill {
    margin-bottom: 16px;
    padding: 7px 10px;
  }
  .hero-pill span {
    font-size: 9px !important; 
    font-weight: 600;
  }
  .hero-h1 .l1,
  .hero-h1 .l2 {
    font-size: clamp(38px, 11vw, 60px);
    letter-spacing: -1px;
  }
  .hero-h1 .l3 {
    font-size: clamp(13px, 3.4vw, 17px);
    letter-spacing: 2px;
    margin-top: 10px;
  }
  .hero-info-row {
    flex-direction: column;
    gap: 16px;
    align-items: flex-start;
  }
  .hero-dates {
    width: 100%;
  }
  .hd-block {
    flex: 1;
  }
  .hero-meta {
    gap: 18px;
  }
  .hero-dots {
    right: 28px;
    bottom: 18px;
  }
  .btn-blue,
  .btn-outline-w {
    font-size: 10px;
    padding: 12px 22px;
  }
  /* org strip → stack the two groups */
  .org-strip {
    flex-direction: column;
    gap: 22px;
    padding: 22px 28px;
  }
  .org-block {
    border-right: none;
    padding: 0 0 22px;
    border-bottom: 1px solid rgba(0, 102, 204, 0.18);
    width: 100%;
  }
  .org-block:last-child {
    border-bottom: none;
    padding-bottom: 0;
  }
  .org-logos {
    gap: 24px;
  }
  /* impact bar → 2 per row */
  .impact-bar {
    flex-wrap: wrap;
  }
  .ib-item {
    flex: 0 0 50%;
    border-right: 1px solid rgba(255, 255, 255, 0.12);
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  }
  .ib-item:nth-child(2n) {
    border-right: none;
  }
  .ib-num {
    font-size: 36px;
  }
  /* about */
  .av-inset {
    position: relative;
    bottom: auto;
    right: auto;
    width: 60%;
    margin: 14px 0 0 auto;
    display: block;
  }
  .av-counter {
    top: -12px;
    left: -8px;
    padding: 12px 16px;
  }
  .av-stack::before {
    display: none;
  }
  /* speakers */
  .spk-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  .spk-photo {
    aspect-ratio: 3/3.8;
  }
  .spk-info {
    padding: 12px;
    min-height: 72px;
  }
  .spk-name {
    font-size: 12px;
  }
  .spk-role {
    font-size: 10px;
  }
  /* sponsors */
  .logos-row,
  .logos-row.lg {
    grid-template-columns: repeat(2, 1fr);
  }
  .spons-cta {
    flex-direction: column;
    align-items: flex-start;
    padding: 32px 26px;
    text-align: left;
  }
  /* contact */
  .form-box {
    padding: 30px 24px;
  }
  /* gallery → uniform 3-col grid at tablet */
  .gal-mosaic {
    grid-template-columns: repeat(6, 1fr);
    grid-auto-rows: 120px;
  }
  .ga {
    grid-column: span 4;
    grid-row: span 2;
  }
  .gb {
    grid-column: span 2;
    grid-row: span 2;
  }
  .gc {
    grid-column: span 2;
    grid-row: span 2;
  }
  .gd {
    grid-column: span 2;
    grid-row: span 2;
  }
  .ge {
    grid-column: span 2;
    grid-row: span 2;
  }
  .gf {
    grid-column: span 4;
    grid-row: span 2;
  }
  .gg {
    grid-column: span 3;
    grid-row: span 2;
  }
  .gh {
    grid-column: span 3;
    grid-row: span 2;
  }
  /* footer */
  .foot-main {
    grid-template-columns: 1fr;
    gap: 40px;
    padding: 52px 28px 40px;
    text-align: center;
  }
  .foot-brand {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 20px;
  }
  .foot-collab {
    align-items: center;
  }
  .foot-links {
    align-items: center;
  }
  .foot-contact {
    align-items: center;
  }
  .fct-row {
    justify-content: center;
  }
  .foot-social {
    justify-content: center;
  }
  .foot-bot {
    flex-direction: column;
    text-align: center;
    gap: 18px;
    padding: 28px;
  }
  .to-top {
    position: absolute;
    right: 24px;
    bottom: 24px;
    width: 46px;
    height: 46px;
  }
  /* video modal */
  .vid-modal {
    padding: 20px;
  }
  .vid-close {
    top: -36px;
  }
}

/* ── Mobile (≤560px) ── */
@media (max-width: 560px) {
  .sec {
    padding: 54px 20px;
  }
  #nav {
    padding: 0 20px;
    height: 64px;
    box-sizing: border-box;
  }
  * {
    box-sizing: border-box;
  }
  body {
    max-width: 100vw;
  }
  section,
  #hero {
    overflow-x: hidden;
  }
  .nav-logo img {
    height: 36px;
  }
  .hero-content {
    padding: 40px 20px 36px;
  }
  .hero-h1 .l1,
  .hero-h1 .l2 {
    font-size: clamp(34px, 12vw, 48px);
  }
  .hd-block {
    padding: 10px 16px;
  }
  .hd-dates {
    font-size: 14px;
  }
  .hero-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    width: 100%;
  }
  .hm-sep {
    display: none;
  }
  .btn-blue,
  .btn-outline-w {
    width: 100%;
    justify-content: center;
    text-align: center;
  }
  .hero-btns {
    width: 100%;
    flex-direction: column;
  }
  /* about section mobile layout */
  .about-grid {
    gap: 32px;
  }
  .av-stack {
    margin-bottom: 0;
  }
  .av-inset {
    position: relative;
    bottom: auto;
    right: auto;
    width: 70%;
    margin: 16px 0 0 auto;
  }
  .av-counter {
    position: relative;
    top: auto;
    left: auto;
    display: inline-flex;
    flex-direction: column;
    padding: 12px 16px;
    margin-bottom: 12px;
  }
  .av-counter-num {
    font-size: 28px;
  }
  .pillars {
    margin-top: 24px;
  }
  /* impact → 1 per row stays readable as 2; keep 2 but smaller */
  .ib-num {
    font-size: 32px;
  }
  .ib-item {
    padding: 18px 10px;
  }
  /* speakers → keep 2 but allow text scaling */
  .spk-grid {
    grid-template-columns: repeat(1, 1fr);
    gap: 10px;
  }
  .spk-photo {
    aspect-ratio: 1/1.15;
  }
  .spk-info {
    padding: 10px;
    min-height: 80px;
  }
  .spk-name {
    font-size: 11.5px;
    line-height: 1.25;
  }
  .spk-role {
    font-size: 10px;
    line-height: 1.3;
  }
  .spk-he {
    font-size: 8px;
  }
  /* sponsors → 1 per row for clarity */
  .tier-row {
    margin-bottom: 36px;
  }
  .tier-head {
    margin-bottom: 18px;
  }
  .t-pill {
    font-size: 10px;
    padding: 5px 14px;
  }
  .t-rule {
    width: 40px;
  }
  /* REDESIGNED: clean 2-column grid for mobile */
  .logos-row {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    max-width: 100%;
  }
  .logos-row.tight {
    grid-template-columns: repeat(2, 1fr);
    max-width: 100%;
  }
  .lchip {
    height: 88px;
    padding: 14px;
    background: #fff;
    border: 1px solid rgba(0, 102, 204, 0.15);
  }
  .lchip img {
    max-height: 42px;
    max-width: 85%;
  }
  .lchip.lg {
    height: 96px;
  }
  .lchip.lg img {
    max-height: 48px;
  }
  .spons-cta {
    padding: 28px 20px;
    gap: 20px;
  }
  .spons-cta h3 {
    font-size: 18px;
    margin-bottom: 6px;
  }
  .spons-cta p {
    font-size: 13px;
  }
  /* agenda items */
  .ag-item {
    grid-template-columns: 56px 4px 1fr;
  }
  .ag-time-col {
    padding: 14px 10px 14px 12px;
  }
  .ag-body {
    padding: 14px;
  }
  .ag-title {
    font-size: 12.5px;
  }
  .ag-phase-head {
    min-width: 130px;
    padding: 13px 14px;
  }
  /* gallery → simple 2-col uniform */
  .gal-mosaic {
    grid-template-columns: 1fr 1fr;
    grid-auto-rows: 140px;
    gap: 8px;
  }
  .gal-mosaic .gi {
    grid-column: span 1 !important;
    grid-row: span 1 !important;
  }
  /* contact venue grid */
  .venue-foot {
    grid-template-columns: 1fr;
  }
  .frow {
    grid-template-columns: 1fr;
  }
  /* footer */
  .foot-brand .fb-logo {
    height: 72px;
  }
  .foot-col-h {
    font-size: 16px;
  }
  .foot-links a,
  .fct-row span {
    font-size: 15px;
  }
  .foot-bot .fb-copy,
  .foot-bot .fb-legal {
    font-size: 13px;
  }
  .fakke {
    display: none;
  }
}

/* ── Very small phones (≤380px) ── */
@media (max-width: 500px) {
  .hero-h1 .l1,
  .hero-h1 .l2 {
    font-size: 40px;
  }
  .spk-grid {
    grid-template-columns: 1fr;
  }
  .ib-item {
    flex: 0 0 100%;
    border-right: none;
  }
}

/* Disable custom cursor on touch devices (restore native cursor) */
@media (hover: none), (pointer: coarse) {
  .cursor,
  .cursor-ring {
    display: none !important;
  }
  * {
    cursor: auto !important;
  }
  a,
  button,
  .gi,
  .hdot,
  .ag-phase-head,
  .ag-day-btn {
    cursor: pointer !important;
  }
}
.back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--blue);
  border: none;
  cursor: pointer;
  display: grid;
  place-items: center;
  z-index: 900;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.3s, transform 0.3s, background 0.2s;
  pointer-events: none;
}
.back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.back-to-top:hover { background: var(--blue-hi); }
.back-to-top svg { width: 20px; height: 20px; color: #fff; }