:root {
  --purple: #5b0f6e;
  --purple-deep: #2e0839;
  --lilac: #e9a7ff;
  --green: #3fb52f;
  --white: #fff;
  --ink: #1d1224;
  --nav-h: clamp(68px, 7vw, 88px);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: "Inter", system-ui, sans-serif;
  color: var(--ink);
  background: #faf7fb;
  line-height: 1.6;
  overflow-x: clip;
  /* never split words mid-word; lines only wrap between words */
  overflow-wrap: normal;
  word-break: normal;
  hyphens: none;
}

img,
video {
  max-width: 100%;
}

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

:focus-visible {
  outline: 3px solid var(--lilac);
  outline-offset: 3px;
}

/* ---------- NAV ---------- */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(8px, 1.5vw, 24px);
  padding: 0 clamp(14px, 4vw, 56px);
  color: var(--white);
  background: transparent;
  transition: background .3s, box-shadow .3s, height .3s, color .3s;
}

.nav.scrolled {
  background: var(--white);
  color: var(--ink);
  height: clamp(60px, 6vw, 92px);
  box-shadow: 0 2px 18px rgba(46, 8, 57, .12);
}

.logo {
  flex-shrink: 0;
  font-weight: 800;
  font-size: 1.35rem;
  line-height: 1;
  letter-spacing: -.02em;
}

.logo small {
  display: inline-block;
  margin-top: 6px;
  padding: 2px 8px;
  background: var(--green);
  color: var(--white);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: 0;
}

.logo img {
  display: block;
  width: clamp(96px, 14vw, 150px);
  height: auto;
}

/* ===== NAV LOGO SWAP (white logo on the transparent bar, coloured logo once the bar turns white) ===== */
.logo .logo-color {
  display: none;
}

.nav.scrolled .logo .logo-white {
  display: none;
}

.nav.scrolled .logo .logo-color {
  display: block;
}

.nav-links {
  display: flex;
  flex-wrap: nowrap;
  gap: clamp(0px, .4vw, 8px);
  list-style: none;
}

.nav-links a {
  display: block;
  white-space: nowrap;
  padding: clamp(6px, .8vw, 10px) clamp(4px, calc(1.9vw - 9px), 20px);
  font-size: clamp(.68rem, 1.15vw, 1rem);
  border-radius: 999px;
  font-weight: 500;
  transition: background .2s;
}

.nav-links a:hover {
  color: var(--card-green);
}

.nav.scrolled .nav-links a:hover {
  color: var(--card-green);
}

.nav-links a.active {
  /* background: var(--ink); */
  color: var(--card-green);
}

.btn-register {
  flex-shrink: 0;
  white-space: nowrap;
  background: var(--green);
  color: var(--white);
  padding: clamp(8px, 1.1vw, 16px) clamp(10px, calc(2.6vw - 5px), 28px);
  font-size: clamp(.68rem, 1.1vw, 1rem);
  border-radius: 6px;
  font-weight: 600;
  transition: background .2s;
}

.btn-register:hover {
  background: var(--purple-deep);
}

.menu-toggle {
  display: none;
  background: none;
  border: 0;
  color: inherit;
  font-size: 1.8rem;
  cursor: pointer;
}

.btn-register-hide {
  display: none !important;
}

/* ---------- HERO ---------- */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--white);
  padding: calc(var(--nav-h) + clamp(12px, 2vw, 24px)) 5vw clamp(90px, 12vw, 120px);
  /* Gradient shows while the video loads */
  background:
    radial-gradient(circle at 20% 20%, rgba(233, 167, 255, .25), transparent 45%),
    linear-gradient(160deg, #7a1a8f 0%, var(--purple) 45%, var(--purple-deep) 100%);
  isolation: isolate;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.hero-bg video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Purple overlay keeps the white text readable over the footage */
.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, rgba(122, 26, 143, .75), rgba(91, 15, 110, .8) 45%, rgba(46, 8, 57, .9));
}

.hero .kicker {
  font-size: clamp(.9rem, 1.6vw, 1.15rem);
  font-weight: 500;
}

.hero-beyond-the-idea {
  font-size: 20px;
}

.hero-beyond-the-idea small {
  display: inline-block;
  padding: 2px 8px;
  background: var(--green);
  color: var(--white);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0;
  border-radius: 3px;
}

.hero h1 {
  font-size: clamp(2.25rem, 9vw, 7rem);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -.03em;
  margin: clamp(8px, 1.2vw, 12px) 0 clamp(12px, 1.8vw, 18px);
}

.hero h1 b {
  font-weight: 800;
}

.hero .tagline {
  color: var(--lilac);
  font-weight: 700;
  letter-spacing: clamp(.12em, 1.2vw, .3em);
  font-size: clamp(.62rem, 1.6vw, 1.2rem);
}

.hero .date {
  font-size: clamp(1.05rem, 3.4vw, 2.6rem);
  font-weight: 700;
  letter-spacing: clamp(.1em, .9vw, .25em);
  margin: clamp(12px, 1.8vw, 18px) 0 clamp(6px, 1vw, 10px);
}

.hero .venue {
  color: #e5d3ec;
  letter-spacing: clamp(.08em, .6vw, .2em);
  font-size: clamp(.75rem, 1.4vw, 1rem);
}

.countdown {
  display: flex;
  justify-content: center;
  gap: clamp(6px, 2vw, 40px);
  /* margin: clamp(18px, 2.8vw, 28px) 0 clamp(20px, 3.4vw, 34px); */
}

.countdown div {
  min-width: clamp(54px, 8vw, 84px);
  padding: clamp(8px, 1.4vw, 14px) clamp(4px, 1vw, 10px);
  background: rgba(255, 255, 255, .12);
  border: 1px solid rgba(255, 255, 255, .25);
  border-radius: 10px;
  backdrop-filter: blur(6px);
}

.countdown strong {
  display: block;
  font-size: clamp(1.4rem, 4vw, 2.8rem);
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
}

.countdown span {
  font-size: clamp(.62rem, 1vw, .8rem);
  color: #ffffff;
}

.btn-cta {
  display: inline-block;
  white-space: nowrap;
  background: var(--green);
  color: var(--white);
  padding: clamp(12px, 1.6vw, 16px) clamp(28px, 4vw, 44px);
  border-radius: 8px;
  font-weight: 700;
  font-size: clamp(.92rem, 1.4vw, 1.05rem);
  border: 2px solid var(--green);
  transition: background .2s, color .2s;
}

.btn-cta:hover {
  background: transparent;
}

.hero-stat {
  position: absolute;
  left: clamp(14px, 4vw, 56px);
  bottom: clamp(20px, 2.8vw, 32px);
  text-align: left;
}

.hero-stat strong {
  display: block;
  font-size: clamp(.9rem, 1.4vw, 1.15rem);
}

.hero-stat span {
  color: #e5d3ec;
  font-size: clamp(.8rem, 1.2vw, .95rem);
}

/* ---------- SECTIONS ---------- */
.section {
  padding: clamp(56px, 8vw, 96px) 6vw;
  max-width: 1100px;
  margin: 0 auto;
}

.section h2 {
  font-size: clamp(1.6rem, 4vw, 2.6rem);
  letter-spacing: -.02em;
  margin-bottom: clamp(14px, 1.8vw, 20px);
}

.section p {
  max-width: 70ch;
  margin-bottom: 16px;
  font-size: clamp(.95rem, 1.5vw, 1rem);
}

.section ul {
  max-width: 70ch;
  padding-left: 1.2rem;
}

.section li {
  margin-bottom: 10px;
}

.journey {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 8px;
  align-items: center;
  margin: clamp(18px, 2.8vw, 28px) 0;
  font-weight: 800;
  font-size: clamp(.9rem, 2.4vw, 1.5rem);
  color: var(--purple);
}

.journey i {
  font-style: normal;
  color: var(--green);
}

.closing {
  background: var(--purple-deep);
  color: var(--white);
  text-align: center;
  padding: clamp(25px, 8vw, 21px) 6vw;
}

.closing h2 {
  font-size: clamp(1.5rem, 6vw, 4rem);
  font-weight: 800;
  letter-spacing: .02em;
}

.closing p {
  color: #e5d3ec;
  margin: 12px auto clamp(18px, 2.8vw, 28px);
}

footer {
  text-align: center;
  padding: 24px 16px;
  font-size: clamp(.78rem, 1.2vw, .9rem);
  color: #6b5a74;
}

/* ---------- PLATFORM (heading + image + cards) ---------- */
.platform {
  /* same 1280px desktop width, but never touches the screen edges */
  width: min(1280px, calc(100% - clamp(32px, 8vw, 112px)));
  margin: 0 auto;
  padding: clamp(48px, 8vw, 80px) 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(24px, 6vw, 77px);
  align-items: start;
}

.platform>* {
  min-width: 0;
}

.platform h2 {
  font-size: clamp(1.9rem, 4.8vw, 4.6rem);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -.03em;
}

.platform h2 span {
  font-weight: 800;
  color: var(--purple);
}

.platform-lead {
  margin: clamp(16px, 2.2vw, 28px) 0 clamp(22px, 3.2vw, 40px);
  max-width: 52ch;
  font-size: clamp(.92rem, 1.5vw, 1.12rem);
  line-height: 1.75;
  color: #5d4f66;
}

.platform-img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: clamp(14px, 1.8vw, 22px);
  box-shadow: 0 24px 50px rgba(46, 8, 57, .18);
}

.platform-cards {
  display: flex;
  flex-direction: column;
  padding-top: 12px;
}

.pcard {
  position: relative;
  padding: clamp(20px, 2.6vw, 32px) clamp(20px, 2.8vw, 34px) clamp(22px, 2.8vw, 34px);
  border-radius: clamp(14px, 1.6vw, 20px);
  color: var(--white);
  transition: transform .3s ease, box-shadow .3s ease;
}

.pcard:hover {
  transform: translateY(-8px);
  box-shadow: 0 22px 40px rgba(46, 8, 57, .28);
}

.pcard-num {
  position: absolute;
  top: clamp(14px, 1.8vw, 22px);
  right: clamp(16px, 2.2vw, 28px);
  font-size: clamp(2.2rem, 3.6vw, 3.2rem);
  font-weight: 800;
  line-height: 1;
  opacity: .22;
}

.pcard h3 {
  font-size: clamp(1.4rem, 2.4vw, 2rem);
  font-weight: 800;
  letter-spacing: -.02em;
}

.pcard-sub {
  margin: 6px 0 clamp(10px, 1.3vw, 16px);
  font-size: clamp(.85rem, 1.25vw, 1rem);
  font-weight: 600;
  font-style: italic;
  opacity: .92;
}

.pcard p:last-child {
  line-height: 1.65;
  font-size: clamp(.84rem, 1.2vw, .98rem);
}

/* Staggered, overlapping arrangement with different heights */
.pcard--discover {
  background: linear-gradient(135deg, #3fb52f, #2a8c20);
  margin-right: 14%;
  padding-bottom: clamp(26px, 3.2vw, 44px);
  z-index: 1;
}

.pcard--build {
  background: linear-gradient(135deg, #6d1b82, var(--purple-deep));
  margin-left: 12%;
  margin-top: -22px;
  z-index: 2;
}

.pcard--connect {
  background: var(--ink);
  margin-right: 6%;
  margin-top: -22px;
  padding-bottom: clamp(26px, 3.4vw, 46px);
  z-index: 3;
  border-bottom: 5px solid var(--lilac);
}

/* ---------- ABOUT (text + image + cards) ---------- */
.about {
  --card-purple: #5a1670;
  --card-green: #62b536;
  --card-orange: #e07a2f;
  max-width: 1380px;
  margin: 0 auto;
  padding: clamp(56px, 8vw, 100px) clamp(16px, 4vw, 56px) clamp(48px, 7vw, 90px);
  display: grid;
  grid-template-columns: 2.05fr 1fr 0.98fr;
  gap: clamp(16px, 2vw, 24px) clamp(14px, 1.6vw, 22px);
  align-items: start;
}

.about>* {
  min-width: 0;
}

/* if you wrap the image + cards in .participants-sec, they still sit in the grid columns */
.participants-sec {
  display: contents;
}

.about-text {
  padding-right: clamp(0px, 1.7vw, 24px);
}

.about-eyebrow {
  color: var(--purple);
  font-size: clamp(.68rem, 1vw, .82rem);
  font-weight: 800;
  letter-spacing: .16em;
  margin-bottom: clamp(8px, 1vw, 14px);
}

.about h2 span {
  font-weight: 800;
  color: var(--purple);
}

.about h2 {
  font-size: clamp(1.9rem, 4.8vw, 4.6rem);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -.03em;
}

.about-text p:not(.about-eyebrow) {
  font-size: clamp(.92rem, 1.5vw, 1.1rem);
  line-height: 1.65;
  color: #6b6b6b;
  margin-bottom: clamp(14px, 1.6vw, 22px);
  max-width: 62ch;
}

.about-btn {
  display: inline-flex;
  align-items: center;
  gap: clamp(8px, 1vw, 14px);
  margin-top: 8px;
  white-space: nowrap;
  background: #62b536;
  color: var(--white);
  font-weight: 600;
  letter-spacing: .02em;
  font-size: clamp(.8rem, 1.3vw, 1rem);
  padding: clamp(10px, 1.2vw, 14px) clamp(16px, 1.8vw, 24px);
  border-radius: 8px;
  transition: background .2s;
}

.about-btn:hover {
  background: #4f9a2a;
}

.about-img {
  width: 100%;
  aspect-ratio: 315 / 504;
  object-fit: cover;
  border-radius: clamp(10px, 1.1vw, 14px);
  margin-top: clamp(16px, 2.8vw, 40px);
}

.about-cards {
  display: flex;
  flex-direction: column;
  gap: clamp(12px, 1.7vw, 24px);
  margin-top: clamp(16px, 2.8vw, 40px);
  aspect-ratio: 308 / 504;
}

.acard {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--white);
  border-radius: clamp(8px, 1vw, 12px);
  padding: clamp(8px, 1.1vw, 16px);
  background-size: 112px 112px;
  background-position: center;
  /* Repeating pattern drawn from the Beyond the Idea icon (person + six petals) */
  background-image: url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' width='112' height='112' viewBox='0 0 112 112'><g fill='white' fill-opacity='.15'><g transform='translate(28 28) scale(.85)'><ellipse cx='-19.73' cy='7.18' rx='4.2' ry='8.6' transform='rotate(70 -19.73 7.18)'/><ellipse cx='-19.03' cy='-8.87' rx='4.2' ry='8.6' transform='rotate(115 -19.03 -8.87)'/><ellipse cx='-7.18' cy='-19.73' rx='4.2' ry='8.6' transform='rotate(160 -7.18 -19.73)'/><ellipse cx='7.18' cy='-19.73' rx='4.2' ry='8.6' transform='rotate(200 7.18 -19.73)'/><ellipse cx='19.03' cy='-8.87' rx='4.2' ry='8.6' transform='rotate(245 19.03 -8.87)'/><ellipse cx='19.73' cy='7.18' rx='4.2' ry='8.6' transform='rotate(-70 19.73 7.18)'/><circle cx='0' cy='-3' r='5.6'/><path d='M-10.5 12A10.5 10.5 0 0 1 10.5 12Z'/></g><g transform='translate(84 84) scale(.85)'><ellipse cx='-19.73' cy='7.18' rx='4.2' ry='8.6' transform='rotate(70 -19.73 7.18)'/><ellipse cx='-19.03' cy='-8.87' rx='4.2' ry='8.6' transform='rotate(115 -19.03 -8.87)'/><ellipse cx='-7.18' cy='-19.73' rx='4.2' ry='8.6' transform='rotate(160 -7.18 -19.73)'/><ellipse cx='7.18' cy='-19.73' rx='4.2' ry='8.6' transform='rotate(200 7.18 -19.73)'/><ellipse cx='19.03' cy='-8.87' rx='4.2' ry='8.6' transform='rotate(245 19.03 -8.87)'/><ellipse cx='19.73' cy='7.18' rx='4.2' ry='8.6' transform='rotate(-70 19.73 7.18)'/><circle cx='0' cy='-3' r='5.6'/><path d='M-10.5 12A10.5 10.5 0 0 1 10.5 12Z'/></g></g></svg>");
}

.acard:nth-child(1) {
  flex: 1.2;
}

.acard:nth-child(3) {
  flex: .98;
}

.acard strong {
  font-size: clamp(1.6rem, 4.6vw, 4.4rem);
  font-weight: 800;
  line-height: 1.05;
}

.acard span {
  font-size: clamp(.62rem, 1.5vw, 1.2rem);
  font-weight: 500;
  line-height: 1.2;
}

.acard--purple {
  background-color: var(--card-purple);
}

.acard--green {
  background-color: var(--card-green);
}

.acard--orange {
  background-color: var(--card-orange);
}

/* ---------- 800px AND BELOW: stack everything vertically ---------- */
@media (max-width: 800px) {

  /* nav */
  .menu-toggle {
    display: block;
  }
  .btn-register {
    display: none;
  }
  .btn-register-hide {
    display: block !important;
    text-align: center;
    border-radius: 10px !important;
  }



  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--white);
    color: var(--ink);
    padding: 12px clamp(14px, 4vw, 32px) 20px;
    display: none;
    box-shadow: 0 12px 24px rgba(0, 0, 0, .1);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    font-size: 1rem;
    padding: 12px 16px;
    white-space: normal;
  }

  .nav-links a:hover {
    background: #f1e4f6;
  }

  /* hero */
  .hero-stat {
    position: static;
    margin-top: 36px;
    text-align: center;
  }

  /* platform */
  .platform {
    grid-template-columns: 1fr;
    gap: clamp(32px, 8vw, 48px);
  }

  .pcard--discover,
  .pcard--build,
  .pcard--connect {
    margin-left: 0;
    margin-right: 0;
  }

  /* about */
  .about {
    grid-template-columns: 1fr;
    padding: clamp(48px, 10vw, 80px) 5vw;
  }

  .about-text {
    padding-right: 0;
  }

  .about-img {
    margin-top: 0;
    aspect-ratio: 4 / 3;
  }

  .about-cards {
    margin-top: 0;
    aspect-ratio: auto;
  }

  .acard {
    min-height: clamp(110px, 28vw, 150px);
  }

  .acard strong {
    font-size: clamp(2.4rem, 11vw, 3.6rem);
  }

  .acard span {
    font-size: clamp(.85rem, 3.4vw, 1.1rem);
  }

  .hero {
    min-height: 70vh !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  * {
    transition: none !important;
  }
}

/* ---------- SPEAKERS ---------- */
.speakers {
  width: min(1280px, calc(100% - clamp(32px, 8vw, 112px)));
  margin: 0 auto;
  padding: clamp(56px, 8vw, 96px) 0;
}

.spk-label {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--purple);
  font-size: clamp(.68rem, 1vw, .82rem);
  font-weight: 800;
  letter-spacing: .18em;
  margin-bottom: clamp(12px, 1.6vw, 20px);
}

.spk-label::before {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--purple);
}

.spk-heading {
  font-size: clamp(1.5rem, 4.6vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -.03em;
  color: var(--ink);
  white-space: nowrap;
}

.spk-heading span {
  color: var(--green);
}

.spk-lead {
  margin: clamp(10px, 1.4vw, 16px) 0 clamp(32px, 4.5vw, 56px);
  font-size: clamp(.95rem, 1.6vw, 1.2rem);
  color: #6b6b6b;
}

.spk-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(10px, 1.6vw, 22px);
}

.spk {
  position: relative;
  overflow: hidden;
  min-width: 0;
  aspect-ratio: 4 / 5;
  border-radius: clamp(6px, .8vw, 10px);
  background: #e6d9ec;
}

.spk img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  transition: transform .5s ease;
}

.spk:hover img {
  transform: scale(1.04);
}

.spk-info {
  position: absolute;
  inset: auto 0 0 0;
  color: var(--white);
  padding: clamp(36px, 5vw, 70px) clamp(12px, 1.6vw, 22px) clamp(12px, 1.6vw, 22px);
  background: linear-gradient(to top, rgba(46, 8, 57, .94), rgba(46, 8, 57, 0));
}

.spk-info::before {
  content: "";
  display: block;
  width: 34px;
  height: 4px;
  background: var(--green);
  margin-bottom: clamp(6px, .8vw, 10px);
}

.spk-info h3 {
  font-size: clamp(.9rem, 1.6vw, 1.3rem);
  font-weight: 700;
  line-height: 1.2;
}

.spk-info p {
  margin-top: 2px;
  font-size: clamp(.72rem, 1.1vw, .92rem);
  opacity: .88;
}

.view-speakers {
  display: inline-flex;
  align-items: center;
  gap: clamp(8px, 1vw, 14px);
  margin-top: 8px;
  white-space: nowrap;
  background: var(--green);
  color: var(--white);
  font-weight: 600;
  letter-spacing: .02em;
  font-size: clamp(.8rem, 1.3vw, 1rem);
  padding: clamp(10px, 1.2vw, 14px) clamp(16px, 1.8vw, 24px);
  border-radius: 8px;
  border: 0;
  cursor: pointer;
  margin: 50px 0px 0px 0px;
}

/* =====================================================
   FOOTER (dark, like the reference)
===================================================== */
.sf {
  background: #11111a;
  color: #fff;
  text-align: left;
  padding: clamp(40px, 6vw, 72px) var(--gutter, clamp(14px, 4vw, 56px)) clamp(20px, 2.6vw, 28px);
}

.sf-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: clamp(28px, 4vw, 56px);
}

/* brand */
.sf-brand {
  max-width: 420px;
}

.sf-brand img {
  display: block;
  width: clamp(130px, 16vw, 180px);
  height: auto;
}

.sf-brand p {
  margin-top: clamp(14px, 2vw, 22px);
  font-size: clamp(.8rem, 1.05vw, .92rem);
  line-height: 1.7;
  color: #d8d8de;
}

/* columns */
.sf-col h4 {
  margin-bottom: clamp(14px, 2vw, 22px);
  font-size: clamp(.72rem, .95vw, .82rem);
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: #fff;
}

.sf-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: clamp(12px, 1.5vw, 16px);
}

.sf-col li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: clamp(.8rem, 1.05vw, .9rem);
  line-height: 1.5;
  color: #fff;
}

.sf-col a {
  color: #fff;
  transition: color .2s ease;
}

.sf-col a:hover {
  color: var(--card-green, #62b536);
}

.sf-contact li svg {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  margin-top: 3px;
  fill: none;
  stroke: var(--card-green, #62b536);
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* social icon: right-hand side */
.sf-social {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: clamp(24px, 3.4vw, 40px);
}

.sf-social a {
  display: grid;
  place-items: center;
  width: clamp(30px, 2.6vw, 34px);
  height: clamp(30px, 2.6vw, 34px);
  border-radius: 50%;
  background: var(--card-green, #62b536);
  color: #11111a;
  transition: transform .2s ease;
}

.sf-social a:hover {
  transform: translateY(-2px);
}

.sf-social svg {
  width: 55%;
  height: 55%;
  fill: currentColor;
}

/* line + copyright: right-hand side */
.sf-bottom {
  margin-top: clamp(16px, 2vw, 24px);
  padding-top: clamp(16px, 2vw, 22px);
  border-top: 1px solid rgba(255, 255, 255, .3);
  text-align: center;
  font-size: clamp(.72rem, 1vw, .85rem);
  color: #d8d8de;
}

/* 800px and below: stack vertically */
@media (max-width: 800px) {
  .sf-top {
    flex-direction: column;
    gap: 32px;
  }

  .sf-social {
    justify-content: flex-start;
  }

  .sf-bottom {
    text-align: left;
  }
}

/* =========================================================
   ABOUT PAGE BLOCKS (.bti-)
========================================================= */
.bti-about-page {
  width: 100%;
  overflow: hidden;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #17151f;
}

.bti-container {
  width: min(1110px, calc(100% - 48px));
  margin: 0 auto;
}

/* Hero */
.bti-about-hero {
  position: relative;
  min-height: 580px;
  display: flex;
  align-items: center;
  background-size: cover;
  background-position: center;
  color: #ffffff;
}

/* ===== BTI ABOUT HERO: scroll parallax (image layer only, design unchanged) ===== */
.bti-about-hero {
  overflow: hidden;
  /* image stays clipped inside the section */
  isolation: isolate;
  background-image: none;
  /* the same image now lives on the moving layer below */
}

.bti-about-hero::before {
  content: "";
  position: absolute;
  z-index: 0;
  left: 0;
  right: 0;
  top: -14%;
  bottom: -14%;
  /* extra height gives the image room to travel */
  background-image: url("./img//stage.png");
  /* same image as before */
  background-size: cover;
  background-position: center;
  transform: translate3d(0, var(--bti-shift, 0px), 0);
  will-change: transform;
}

@media (prefers-reduced-motion: reduce) {
  .bti-about-hero::before {
    transform: none;
    top: 0;
    bottom: 0;
  }
}

.bti-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(54, 20, 91, 0.95) 0%, rgba(76, 31, 112, 0.82) 48%, rgba(103, 54, 139, 0.72) 100%);
}

.bti-about-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(14, 8, 24, 0.15), rgba(14, 8, 24, 0.35));
}

.bti-hero-content {
  position: relative;
  z-index: 2;
  padding: 100px 0;
}

.bti-eyebrow {
  display: inline-block;
  margin-bottom: 16px;
  color: var(--card-green);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 1.8px;
}

.bti-hero-content h1 {
  max-width: 760px;
  margin: 0 0 22px;
  font-size: clamp(42px, 5vw, 68px);
  line-height: 0.98;
  letter-spacing: -2.8px;
  font-weight: 800;
}

.bti-hero-content p {
  max-width: 680px;
  margin: 0 0 34px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 17px;
  line-height: 1.7;
}

/* Buttons */
.bti-hero-buttons {
  display: flex;
  align-items: center;
  gap: 12px;
}

.bti-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 8px;
  text-decoration: none;
  font-size: 14px;
  font-weight: 700;
  transition: transform 0.2s ease, background 0.2s ease;
}

.bti-btn:hover {
  transform: translateY(-2px);
}

.bti-btn-primary {
  background: var(--card-green);
  color: var(--white);
}

.bti-btn-outline {
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #ffffff;
  background: rgba(255, 255, 255, 0.03);
}

/* Journey section */
.bti-journey-section {
  padding-bottom: 70px;
}

.bti-section-heading {
  max-width: 760px;
  margin-bottom: 48px;
}

.bti-eyebrow-purple {
  color: #8b4fc8;
}

.bti-section-heading h2 {
  margin: 0 0 18px;
  font-size: clamp(32px, 4vw, 48px);
  line-height: 1.05;
  letter-spacing: -1.8px;
}

.bti-section-heading p {
  margin: 0;
  color: #6e6978;
  font-size: 15px;
  line-height: 1.8;
}

/* Journey grid */
.bti-journey-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  border: 1px solid #e8e4ed;
  background: #e8e4ed;
}

.bti-journey-item {
  min-height: 210px;
  padding: 28px;
  background: #ffffff;
}

.bti-journey-number {
  margin-bottom: 26px;
  color: #8b4fc8;
  font-size: 13px;
  font-weight: 800;
}

.bti-journey-item h3 {
  margin: 0 0 10px;
  font-size: 16px;
  letter-spacing: 0.8px;
}

.bti-journey-item p {
  margin: 0;
  color: #77717f;
  font-size: 13px;
  line-height: 1.7;
}

/* Journey statement */
.bti-bottom-statement {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 55px;
  color: #8b4fc8;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 1.5px;
}

.bti-bottom-statement i {
  color: #a8e66b;
  font-size: 20px;
  font-style: normal;
}

/* Organizer */
.bti-organizer-section {
  padding: 85px 0;
  background: #ffffff;
}

.bti-organizer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 60px;
}

.bti-organizer-content h2 {
  margin: 0 0 16px;
  font-size: 32px;
  letter-spacing: -1px;
}

.bti-organizer-content p {
  max-width: 530px;
  margin: 0 0 14px;
  color: #6e6978;
  font-size: 14px;
  line-height: 1.8;
}

.bti-organizer-highlight {
  display: block;
  margin-top: 24px;
  color: #8b4fc8;
  font-size: 20px;
}

/* Organizer logo box */
.bti-organizer-logo-box {
  min-height: 240px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  border-radius: 16px;
  background: #f4f3f6;
}

.bti-logo-placeholder {
  width: 270px;
  height: 120px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: #ffffff;
  box-shadow: 0 10px 35px rgba(34, 20, 48, 0.08);
  color: #3a175d;
}

.bti-logo-placeholder span {
  font-size: 24px;
  font-weight: 900;
  letter-spacing: -1px;
}

.bti-logo-placeholder small {
  margin-top: 4px;
  color: #8b4fc8;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
}

/* Tablet */
@media (max-width: 850px) {
  .bti-about-hero {
    min-height: 520px;
  }

  .bti-two-cards {
    grid-template-columns: 1fr;
  }

  .bti-stats {
    grid-template-columns: repeat(2, 1fr);
    row-gap: 35px;
  }

  .bti-journey-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .bti-organizer-grid {
    grid-template-columns: 1fr;
  }
}

/* Mobile */
@media (max-width: 600px) {
  .bti-container {
    width: min(100% - 32px, 1110px);
  }

  .bti-section {
    padding: 60px 0;
  }

  .bti-about-hero {
    min-height: 650px;
    background-position: center;
  }

  .bti-hero-content {
    padding: 80px 0;
  }

  .bti-hero-content h1 {
    font-size: 42px;
    letter-spacing: -2px;
  }

  .bti-hero-content p {
    font-size: 15px;
  }

  .bti-hero-buttons {
    flex-direction: column;
    align-items: stretch;
  }

  .bti-btn {
    width: 100%;
  }

  .bti-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 30px 15px;
  }

  .bti-stat strong {
    font-size: 28px;
  }

  .bti-feature-card {
    padding: 26px;
  }

  .bti-feature-card h2 {
    font-size: 27px;
  }

  .bti-journey-grid {
    grid-template-columns: 1fr;
  }

  .bti-section-heading h2 {
    font-size: 34px;
  }

  .bti-bottom-statement {
    gap: 10px;
    font-size: 11px;
  }

  .bti-organizer-section {
    padding: 60px 0;
  }

  .bti-organizer-grid {
    gap: 35px;
  }

  .bti-organizer-logo-box {
    min-height: 190px;
  }
}

/* =========================================================
   RESPONSIVE LAYER (was responsive.css): load order matters, keep below the rules above
========================================================= */
:root {
  --gutter: clamp(14px, 4vw, 56px);
  /* same side spacing as the navbar */
  --card-green: #62b536;
  /* nav hover colour (was only defined inside .about) */
}

/* ===== 1. ALIGN SECTIONS WITH THE NAVBAR (logo edge to button edge) ===== */
.hero {
  padding-inline: var(--gutter);
}

.platform,
.about,
.speakers,
.experience {
  width: 100%;
  max-width: none;
  margin-inline: 0;
  padding-inline: var(--gutter);
}

.section {
  max-width: none;
  margin-inline: 0;
  padding-inline: var(--gutter);
}

.closing,
footer {
  padding-inline: var(--gutter);
}

.footer-container,
.bti-container {
  width: 100%;
  max-width: none;
  padding-inline: var(--gutter);
}

/* ===== 2. RESPONSIVE WITH clamp() ===== */
.hero-beyond-the-idea {
  font-size: clamp(.9rem, 1.6vw, 1.25rem);
}

.view-speakers {
  margin-top: clamp(28px, 4vw, 50px);
  background-color: var(--card-green) !important;
}

/* speakers: breakpoints that were missing */
.spk-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

@media (max-width: 1000px) {
  .spk-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 800px) {
  .spk-heading {
    white-space: normal;
  }

  .spk-grid {
    grid-template-columns: minmax(0, 1fr);
    /* width: clamp(260px, 80vw, 440px); */
    margin-inline: auto;
  }
}

/* footer */
.conference-footer {
  padding: clamp(40px, 6vw, 64px) 0 clamp(24px, 3vw, 32px);
}

.footer-top {
  gap: clamp(20px, 3vw, 40px);
  margin-bottom: clamp(32px, 4.4vw, 52px);
}

.brand-row img {
  width: clamp(130px, 16vw, 200px);
}

.newsletter-box input {
  width: clamp(200px, 26vw, 330px);
  height: clamp(40px, 3.6vw, 44px);
  font-size: clamp(.8rem, 1.1vw, .875rem);
}

.newsletter-box button {
  height: clamp(40px, 3.6vw, 44px);
  padding: 0 clamp(14px, 1.8vw, 22px);
  font-size: clamp(.8rem, 1.1vw, .875rem);
}

.footer-links {
  gap: clamp(24px, 3.3vw, 40px);
  padding-bottom: clamp(32px, 4vw, 48px);
}

.footer-column h4 {
  font-size: clamp(.68rem, 1vw, .75rem);
}

.footer-column a {
  font-size: clamp(.8rem, 1.15vw, .875rem);
}

.footer-organizer,
.footer-legal a,
.footer-legal span {
  font-size: clamp(.74rem, 1.05vw, .8125rem);
}

@media (max-width: 900px) {
  .newsletter-box input {
    width: auto;
    flex: 1;
  }
}

@media (max-width: 560px) {

  .newsletter-box input,
  .newsletter-box button {
    width: 100%;
  }
}

/* about-page blocks (.bti-) */
.bti-about-hero {
  min-height: clamp(460px, 48vw, 580px);
}

.bti-hero-content {
  padding-block: clamp(64px, 8vw, 100px);
}

.bti-hero-content p {
  font-size: clamp(.95rem, 1.5vw, 1.0625rem);
  margin-bottom: clamp(22px, 3vw, 34px);
}

.bti-btn {
  font-size: clamp(.8rem, 1.2vw, .875rem);
  padding: 0 clamp(14px, 1.8vw, 20px);
  min-height: clamp(42px, 4vw, 48px);
}

.bti-journey-section {
  padding-bottom: clamp(48px, 6vw, 70px);
}

.bti-section-heading {
  margin-bottom: clamp(28px, 4vw, 48px);
}

.bti-section-heading h2 {
  font-size: clamp(1.7rem, 4vw, 3rem);
}

.bti-section-heading p {
  font-size: clamp(.88rem, 1.3vw, .95rem);
}

.bti-bottom-statement {
  font-size: clamp(.7rem, 1.2vw, .875rem);
  margin-top: clamp(32px, 4.5vw, 55px);
}

.bti-organizer-section {
  padding-block: clamp(48px, 7vw, 85px);
}

.bti-organizer-grid {
  gap: clamp(28px, 5vw, 60px);
}

.bti-organizer-content h2 {
  font-size: clamp(1.5rem, 2.6vw, 2rem);
}

.bti-organizer-content p {
  font-size: clamp(.84rem, 1.2vw, .875rem);
}

.bti-organizer-highlight {
  font-size: clamp(1rem, 1.7vw, 1.25rem);
}

.bti-organizer-logo-box {
  min-height: clamp(179px, 25vw, 285px);
  padding: clamp(20px, 3.2vw, 40px);
}

.bti-logo-placeholder {
  width: clamp(190px, 22vw, 270px);
  height: clamp(90px, 13vw, 138px);
}

@media (max-width: 800px) {
  .bti-hero-buttons {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 600px) {
  .bti-about-hero {
    min-height: clamp(520px, 120vw, 650px);
  }

  .bti-hero-buttons {
    align-items: stretch;
  }
}

/* ===== JOURNEY CARDS: coloured, with the card title centred as a large background word ===== */
.bti-journey-grid {
  gap: clamp(12px, 1.8vw, 24px);
  background: transparent;
  border: 0;
}

.bti-journey-item {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  container-type: inline-size;
  /* lets the background word scale with the card */
  color: #fff;
  /* min-height: clamp(190px, 21vw, 280px); */
  /* taller cards */
  padding: clamp(20px, 2.8vw, 34px);
  border-radius: clamp(12px, 1.4vw, 20px);
  background-color: var(--j-bg, #5a1670);
  background-image: none;
  transition: transform .3s ease, box-shadow .3s ease;
}

.bti-journey-item:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 34px rgba(46, 8, 57, .22);
}

.bti-journey-item:nth-child(1) {
  --j-bg: #5a1670;
}

/* purple */
.bti-journey-item:nth-child(2) {
  --j-bg: #62b536;
}

/* green  */
.bti-journey-item:nth-child(3) {
  --j-bg: #e07a2f;
}

/* orange */
.bti-journey-item:nth-child(4) {
  --j-bg: #3b3d9e;
}

/* blue   */
.bti-journey-item:nth-child(5) {
  --j-bg: #1d1224;
}

/* black  */
.bti-journey-item:nth-child(6) {
  --j-bg: #7a1a8f;
}

/* violet */
.bti-journey-number {
  display: none;
}

/* large, bold, low-opacity card title, centred in the card and behind the content */
.bti-journey-item::after {
  content: attr(data-title);
  position: absolute;
  z-index: -1;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  font-size: clamp(2.2rem, 7vw, 4.6rem);
  /* fallback */
  font-size: clamp(3rem, 33cqw, 15rem);
  /* scales with the card width */
  font-weight: 900;
  line-height: 1;
  letter-spacing: -.04em;
  text-align: center;
  white-space: nowrap;
  text-transform: uppercase;
  color: #fff;
  opacity: .2;
  pointer-events: none;
  user-select: none;
}

/* larger card text */
.bti-journey-item h3 {
  color: #fff;
  margin-top: 0;
  margin-bottom: clamp(8px, 1vw, 12px);
  font-size: clamp(1.1rem, 1.9vw, 1.5rem);
}

.bti-journey-item p {
  color: #fff;
  font-size: clamp(.9rem, 1.35vw, 1.05rem);
  font-weight: 500;
  line-height: 1.6;
}

/* ---------- SPONSORS & PARTNERS ---------- */
.sponsors {
  width: 100%;
  padding: clamp(56px, 8vw, 96px) var(--gutter);
  text-align: center;
}

.sp-label {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: clamp(10px, 1.4vw, 18px);
  color: #5d4f66;
  font-size: clamp(0.68rem, 1vw, 0.82rem);
  font-weight: 800;
  letter-spacing: 0.18em;
}

.sp-label::before {
  content: "";
  width: 8px;
  height: 8px;
  flex: 0 0 8px;
  background: var(--green);
}

.sp-heading {
  color: var(--ink);
  font-size: clamp(1.7rem, 5.4vw, 4.2rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  text-wrap: balance;
}

.sp-lead {
  max-width: 54ch;
  margin: clamp(12px, 1.6vw, 20px) auto clamp(32px, 5vw, 60px);
  color: #6b6b6b;
  font-size: clamp(0.95rem, 1.6vw, 1.2rem);
  line-height: 1.6;
}

/* logo grid */
.sp-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(12px, 1.5vw, 20px);
  width: 100%;
  max-width: 1000px;
  margin: 0 auto;
}

/* logo card */
.plogo {
  min-width: 0;
  min-height: clamp(100px, 19vw, 130px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(18px, 2vw, 28px);
  background: #ffffff;
  border: 1px solid rgba(20, 20, 20, 0.07);
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04), 0 8px 24px rgba(0, 0, 0, 0.035);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.plogo:hover {
  transform: translateY(-3px);
  border-color: rgba(20, 20, 20, 0.12);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06), 0 12px 28px rgba(0, 0, 0, 0.06);
}

.plogo img {
  display: block;
  width: 100%;                          /* every logo gets the same box width */
  height: clamp(56px, 6.4vw, 80px);     /* and the same box height */
  object-fit: contain;                  /* each logo fits inside that box without stretching */
}

/* buttons */
.sp-actions {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: clamp(12px, 1.5vw, 20px);
  margin-top: clamp(32px, 5vw, 56px);
}

.sp-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: clamp(8px, 1vw, 14px);
  min-height: 48px;
  padding: clamp(12px, 1.5vw, 18px) clamp(20px, 2.6vw, 34px);
  border: 1px solid var(--green);
  border-radius: 6px;
  background: transparent;
  color: black;
  font-size: clamp(0.72rem, 1.2vw, 0.9rem);
  font-weight: 800;
  letter-spacing: 0.1em;
  white-space: nowrap;
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.sp-btn:hover {
  background: var(--green);
  color: var(--white);
  transform: translateY(-2px);
}

.sp-btn-primary {
  background: var(--green);
  border: 0;
  color: var(--white);
}

.sp-btn-primary:hover {
  background: transparent !important;
  color: black !important;
  border: 1px solid purple !important;
  transform: translateY(-2px);
}

.sp-btn-primary:hover {
  background: var(--purple-deep);
  color: var(--white);
}

/* sponsors responsive */
@media (max-width: 900px) {
  .sp-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 600px) {
  .sp-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

  .plogo {
    min-height: 90px;
    padding: 16px;
  }

  .plogo img {
    width: 100%;
    height: 44px;
  }

  .sp-actions {
    flex-direction: column;
  }

  .sp-btn {
    width: min(100%, 320px);
  }
}

@media (max-width: 380px) {
  .sp-grid {
    gap: 10px;
  }

  .plogo {
    min-height: 80px;
    padding: 12px;
  }
}

/* ===== FOOTER: YouTube button + alignment (NEW) ===== */
.footer-yt {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
  min-height: clamp(40px, 3.6vw, 44px);
  padding: 0 clamp(16px, 2vw, 24px);
  border-radius: 10px;
  background: #e62117;
  color: #fff;
  font-size: clamp(.8rem, 1.1vw, .875rem);
  font-weight: 600;
  transition: background .2s, transform .2s;
}

.footer-yt svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  fill: currentColor;
}

.footer-yt:hover {
  background: #c91b12;
  transform: translateY(-2px);
}

/* desktop: the link columns now run from the logo's left edge to the button's right edge */
@media (min-width: 901px) {
  .footer-links {
    grid-template-columns: repeat(5, auto);
    justify-content: space-between;
  }
}

/* phones: full-width button */
@media (max-width: 560px) {
  .footer-yt {
    width: 100%;
    justify-content: center;
  }
}