/* ================================
   BASIC STYLES
   ================================ */

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "DM Sans", sans-serif;
  background: white;
  color: #17202a;
  overflow-x: hidden;
}

body:before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 160 160' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.55'/%3E%3C/svg%3E");
  z-index: 50;
}

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

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

/* ================================
   HEADER
   ================================ */

.site-header {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;

  display: flex;
  justify-content: space-between;
  align-items: center;

  padding: 24px 6vw;

  color: white;
}

.brand-logo {
  width: 300px;
  height: auto;
}

.header-cta {
  display: flex;
  align-items: center;
  justify-content: center;

  width: 180px;
  min-height: 60px;

  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 30px;

  padding: 12px 18px;

  font-weight: 700;
  font-size: 13px;

  line-height: 1.3;
  text-align: center;
  white-space: normal;

  transition: 0.25s;
}

.header-cta:hover {
  background: white;
  color: #1e52c4;
}

/* ================================
   HERO
   ================================ */

.hero {
  min-height: 780px;
  position: relative;
  overflow: hidden;

  background: black;
  color: white;

  padding: 170px 9vw 90px;

  display: flex;
  align-items: center;
}

.hero:after {
  content: "";
  position: absolute;

  width: 700px;
  height: 700px;

  border-radius: 50%;

  right: -250px;
  top: -260px;

  border: 1px solid rgba(30, 82, 196, 0.25);

  box-shadow:
    0 0 0 80px rgba(30, 82, 196, 0.04),
    0 0 0 160px rgba(30, 82, 196, 0.03);
}

.hero-grid {
  position: absolute;
  inset: 0;

  opacity: 0.08;

  background-image:
    linear-gradient(rgba(255, 255, 255, 0.2) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.2) 1px, transparent 1px);

  background-size: 80px 80px;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 850px;
}

.eyebrow,
.edition,
.mini-kicker,
.section-label {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;

  margin-bottom: 25px;

  color: #1e52c4;
}

.live-dot {
  width: 8px;
  height: 8px;

  border-radius: 50%;

  background: #1e52c4;

  box-shadow: 0 0 0 7px rgba(30, 82, 196, 0.12);
}

.edition {
  opacity: 0.6;
  margin-bottom: 22px;
}

.hero h1 {
  font-family: Manrope, sans-serif;

  font-size: clamp(52px, 8vw, 112px);

  line-height: 0.9;

  letter-spacing: -5px;

  font-weight: 800;
}

.hero h1 em {
  font-style: normal;
  color: #1e52c4;
}

.hero h1 span {
  font-size: 0.38em;

  letter-spacing: -1px;

  vertical-align: top;

  position: relative;

  top: 8px;

  color: rgba(255, 255, 255, 0.55);
}

.hero-sub {
  font-size: clamp(18px, 2vw, 25px);

  line-height: 1.35;

  max-width: 700px;

  margin-top: 32px;

  font-weight: 600;
}

.hero-lead {
  font-size: 16px;

  color: rgba(255, 255, 255, 0.65);

  margin-top: 10px;
}

.hero-actions {
  display: flex;

  gap: 25px;

  align-items: center;

  margin-top: 36px;
}

.button {
  display: inline-flex;

  align-items: center;

  justify-content: center;

  gap: 18px;

  border: 0;

  cursor: pointer;

  border-radius: 30px;

  padding: 16px 22px;

  font-weight: 800;

  font-size: 14px;

  transition: 0.25s;
}

.button:hover {
  transform: translateY(-3px);
}

.button-primary {
  background: #1e52c4;

  color: white;
}

.text-link {
  font-size: 13px;

  font-weight: 700;

  color: rgba(255, 255, 255, 0.75);
}

.hero-card {
  position: absolute;

  z-index: 3;

  right: 7vw;

  bottom: 75px;

  background: rgba(255, 255, 255, 0.08);

  border: 1px solid rgba(255, 255, 255, 0.2);

  backdrop-filter: blur(18px);

  border-radius: 22px;

  padding: 18px;

  display: flex;

  gap: 18px;

  min-width: 285px;

  animation: float 5s ease-in-out infinite;
}

.date-card {
  background: #1e52c4;

  color: white;

  width: 80px;

  height: 90px;

  border-radius: 14px;

  padding: 11px;

  display: flex;

  flex-direction: column;

  justify-content: space-between;
}

.date-card span {
  font-size: 8px;

  font-weight: 900;

  letter-spacing: 1px;
}

.date-card strong {
  font: 800 38px/1 Manrope;
}

.event-meta {
  display: flex;

  flex-direction: column;

  justify-content: center;

  gap: 17px;
}

.event-meta div {
  display: flex;

  flex-direction: column;

  gap: 4px;
}

.event-meta small {
  font-size: 8px;

  letter-spacing: 1.5px;

  color: #1e52c4;
}

.event-meta b {
  font-size: 14px;
}

@keyframes float {
  50% {
    transform: translateY(-9px);
  }
}

/* ================================
   TICKER
   ================================ */

.ticker {
  overflow: hidden;

  background: #1e52c4;

  color: white;

  padding: 15px 0;

  white-space: nowrap;

  font: 800 11px Manrope;

  letter-spacing: 1.5px;
}

.ticker div {
  display: inline-block;

  animation: ticker 24s linear infinite;
}

.ticker span:after {
  content: "  •  ";

  margin: 0 18px;
}

@keyframes ticker {
  from {
    transform: translateX(0);
  }

  to {
    transform: translateX(-35%);
  }
}

/* ================================
   GENERAL SECTIONS
   ================================ */

.section {
  padding: 110px 9vw;
}

.section-label {
  color: #4b6680;

  margin-bottom: 40px;
}

h2 {
  font-family: Manrope, sans-serif;

  font-size: clamp(38px, 5vw, 72px);

  line-height: 0.98;

  letter-spacing: -3px;
}

h2 span {
  color: #1e52c4;
}

p {
  line-height: 1.7;
}

/* ================================
   ABOUT
   ================================ */

.intro {
  display: grid;

  grid-template-columns: 180px 1fr;

  gap: 80px;

  background: white;
}

.intro-copy {
  max-width: 850px;
}

.intro-copy p {
  max-width: 750px;

  margin-top: 25px;

  color: #5f6c78;
}

/* ================================
   SPEAKER
   ================================ */

.speaker {
  background: white;
}

.speaker-layout {
  display: grid;

  grid-template-columns: 0.85fr 1fr;

  gap: 80px;

  align-items: center;
}

.speaker-portrait,
.host-portrait,
.founder-image-wrap {
  position: relative;
}

.speaker-image,
.host-image,
.founder-image {
  width: 100%;

  height: 600px;

  object-fit: cover;

  border-radius: 24px;
}

.speaker-tag,
.host-tag,
.founder-caption {
  position: absolute;

  bottom: 20px;

  left: 20px;

  background: #1e52c4;

  color: white;

  padding: 12px 16px;

  border-radius: 10px;

  font-size: 10px;

  font-weight: 900;

  letter-spacing: 1px;
}

.speaker-info,
.host-info {
  max-width: 700px;
}

.speaker-info p,
.host-info p {
  color: #5f6c78;

  margin-top: 22px;
}

.speaker-role,
.host-role {
  font-weight: 700;

  color: #1e52c4 !important;
}

/* ================================
   HOST
   ================================ */

.host {
  background: #eef3ff;
}

.host-layout {
  display: grid;

  grid-template-columns: 0.85fr 1fr;

  gap: 80px;

  align-items: center;
}

.host-image {
  object-position: center top;
}

.host-tag {
  background: #1e52c4;

  color: white;
}

/* ================================
   FOUNDER
   ================================ */

.founder {
  display: grid;

  grid-template-columns: 0.85fr 1fr;

  gap: 80px;

  align-items: center;

  background: white;
}

.founder-copy p {
  color: #5f6c78;

  margin-top: 22px;
}

.founder-caption {
  background: #1e52c4;

  color: white;
}

/* ================================
   WHAT YOU WILL GAIN
   ================================ */

.gain {
  background: white;
}

.gain-head {
  display: flex;

  justify-content: space-between;

  gap: 50px;

  align-items: end;
}

.gain-head p {
  max-width: 450px;

  color: #5f6c78;
}

.gain-grid {
  display: grid;

  grid-template-columns: repeat(4, 1fr);

  gap: 20px;

  margin-top: 70px;
}

.gain-grid article {
  background: white;

  padding: 30px;

  border-radius: 18px;

  border: 1px solid #dce5ed;
}

.gain-grid article > span {
  color: #1e52c4;

  font-weight: 800;
}

.gain-grid h3 {
  margin: 40px 0 15px;

  font-family: Manrope, sans-serif;

  font-size: 20px;
}

.gain-grid p {
  color: #687581;

  font-size: 14px;
}

/* ================================
   AUDIENCE
   ================================ */

.audience {
  background: #1e52c4;

  color: white;
}

.audience-panel {
  max-width: 1100px;

  margin: auto;
}

.audience .section-label {
  color: white;
}

.audience-list {
  display: flex;

  flex-wrap: wrap;

  gap: 12px;

  margin-top: 50px;
}

.audience-list span {
  border: 1px solid rgba(255, 255, 255, 0.4);

  border-radius: 30px;

  padding: 13px 18px;

  font-size: 14px;
}

.audience-panel > p {
  margin-top: 35px;

  color: white;
}

/* ================================
   GRADUATION
   ================================ */

.graduation {
  display: grid;

  grid-template-columns: 160px 1fr 160px;

  gap: 60px;

  align-items: center;

  background: white;
}

.graduation p:not(.mini-kicker) {
  max-width: 600px;

  margin-top: 25px;

  color: #5f6c78;
}

.graduation-mark,
.grad-badge {
  font-weight: 900;

  font-size: 12px;

  letter-spacing: 2px;

  color: #1e52c4;
}

.grad-badge {
  text-align: right;
}

.grad-badge strong {
  font-size: 40px;

  color: #1e52c4;
}

/* ================================
   REGISTRATION
   ================================ */

.register {
  background: white;

  display: grid;

  grid-template-columns: 0.8fr 1.2fr;

  gap: 80px;
}

.register-heading p {
  margin-top: 25px;

  max-width: 450px;

  color: #5f6c78;
}

.form-grid {
  display: grid;

  grid-template-columns: 1fr 1fr;

  gap: 25px;
}

.registration-form label,
.event-history legend {
  display: block;

  font-weight: 700;

  font-size: 14px;
}

.registration-form label > span,
.event-history legend span {
  color: #1e52c4;

  margin-right: 8px;
}

.registration-form input[type="text"],
.registration-form input[type="email"],
.registration-form input[type="tel"] {
  width: 100%;

  margin-top: 10px;

  border: 0;

  border-bottom: 1px solid #bfcbd6;

  background: transparent;

  padding: 14px 0;

  outline: none;

  font: inherit;
}

.registration-form input:focus {
  border-bottom-color: #1e52c4;
}

.registration-form input.invalid {
  border-bottom-color: #d94b4b;
}

.event-history {
  border: 0;

  margin-top: 45px;
}

.event-history p {
  color: #71808d;

  font-size: 13px;

  margin: 10px 0 20px;
}

.check-grid {
  display: grid;

  grid-template-columns: 1fr 1fr;

  gap: 12px;
}

.choice {
  display: flex !important;

  align-items: center;

  gap: 10px;

  cursor: pointer;

  border: 1px solid #dce5ed;

  padding: 14px;

  border-radius: 10px;
}

.choice input {
  accent-color: #1e52c4;
}

.button-submit {
  margin-top: 35px;

  background: #1e52c4;

  color: white;
}

.button-submit:disabled {
  opacity: 0.6;

  cursor: wait;
}

.form-note {
  color: #71808d;

  font-size: 12px;

  margin-top: 15px;
}

.success {
  display: none;

  margin-top: 30px;

  padding: 20px;

  background: #eef3ff;

  border-left: 4px solid #1e52c4;
}

.success.show {
  display: block;
}

.success strong,
.success span {
  display: block;
}

.success span {
  margin-top: 8px;

  color: #5f6c78;
}

/* ================================
   FOOTER
   ================================ */

.site-footer {
  background: #252a31;

  color: white;

  padding: 50px 6vw;

  display: flex;

  align-items: center;

  justify-content: space-between;

  gap: 30px;
}

.footer-logo {
  width: 300px;
}

.site-footer p {
  color: #aeb8c1;

  font-size: 13px;
}

.site-footer a {
  color: #1e52c4;

  font-size: 13px;

  font-weight: 700;
}

/* ================================
   MOBILE
   ================================ */

@media (max-width: 900px) {
  .hero {
    min-height: 850px;

    padding: 150px 6vw 250px;
  }

  .hero-card {
    left: 6vw;

    right: auto;

    bottom: 50px;
  }

  .intro,
  .speaker-layout,
  .host-layout,
  .founder,
  .register {
    grid-template-columns: 1fr;

    gap: 40px;
  }

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

  .graduation {
    grid-template-columns: 1fr;

    gap: 30px;
  }

  .grad-badge {
    text-align: left;
  }
}

/* ================================
   SMALL MOBILE
   ================================ */

@media (max-width: 600px) {
  .site-header {
    padding: 20px;
  }

  .brand-logo {
    width: 230px;
  }

  .header-cta {
    width: 150px;

    min-height: 55px;

    display: flex;

    align-items: center;

    justify-content: center;

    text-align: center;

    padding: 10px 18px;

    font-size: 11px;

    line-height: 1.3;
  }

  .hero {
    min-height: 800px;

    padding: 140px 20px 230px;
  }

  .hero h1 {
    font-size: 52px;

    letter-spacing: -3px;
  }

  .hero-actions {
    flex-direction: column;

    align-items: flex-start;
  }

  .hero-card {
    left: 20px;

    right: 20px;

    min-width: 0;
  }

  .section {
    padding: 75px 20px;
  }

  h2 {
    letter-spacing: -2px;
  }

  .speaker-image,
  .host-image,
  .founder-image {
    height: 450px;
  }

  .gain-head {
    display: block;
  }

  .gain-head p {
    margin-top: 25px;
  }

  .gain-grid,
  .form-grid,
  .check-grid {
    grid-template-columns: 1fr;
  }

  .gain-grid {
    margin-top: 40px;
  }

  .site-footer {
    flex-direction: column;

    align-items: flex-start;
  }
}