/* ===========================
   Assemble Conference — Styles
   =========================== */

@import url("https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;1,9..40,300&display=swap");
@import url("https://api.fontshare.com/v2/css?f[]=kola@400,700&display=swap");

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

:root {
  --black: #0d0d0d;
  --white: #ffffff;
  --off-white: #f7f5f2;
  --light-gray: #ebebeb;
  --mid-gray: #b0afa9;
  --dark-gray: #6b6a65;
  --border: #e2e1dc;

  /* Brand crimson */
  --crimson: #fe6536 ;
  --crimson-dark: #7b3b00;
  --crimson-card-bg: #fce8ef;
  --crimson-card-bg-alt: #fef4f7;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-pill: 999px;
  --max-w: 1080px;
  --nav-h: 64px;
  --font-sans: "DM Sans", sans-serif;
  --font-display: "Kola", "DM Sans", sans-serif;
  --transition: 0.18s ease;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--black);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

img {
  display: block;
  max-width: 100%;
}
a {
  color: inherit;
  text-decoration: none;
}

/* ============================================================
   ABOUT US SECTION
   ============================================================ */
.about-us-two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  margin-top: 3rem;
}

/* ---- Layout Utilities ---- */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
}

.section {
  padding: 5rem 0;
}
.section--sm {
  padding: 3rem 0;
}
.section--lg {
  padding: 7rem 0;
}

/* ---- Typography ---- */
h1,
h2,
h3,
h4 {
  line-height: 1.15;
  font-weight: 400;
}

.display {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5.5vw, 4.2rem);
  font-weight: 600;
  letter-spacing: 0.01em;
  line-height: 1.05;
  text-transform: uppercase;
}

h2.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin-bottom: 2rem;
}

.overline {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--dark-gray);
}

.body-lg {
  font-size: 17px;
  line-height: 1.7;
  color: var(--dark-gray);
}
.body-sm {
  font-size: 14px;
  line-height: 1.65;
  color: var(--dark-gray);
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 22px;
  border-radius: var(--radius-pill);
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--transition), color var(--transition),
    border-color var(--transition), opacity var(--transition);
  border: 1.5px solid transparent;
  white-space: nowrap;
  width: fit-content;
}

.btn--outline {
  background: transparent;
  border-color: var(--border);
  color: var(--black);
}
.btn--outline:hover {
  background: var(--off-white);
}

.btn--dark {
  background: var(--crimson);
  color: var(--white);
  border-color: var(--crimsonm);
}
.btn--dark:hover {
  opacity: 0.8;
}

/* ---- Pill / Tag ---- */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  font-size: 14px;
  color: var(--dark-gray);
  font-weight: 500;
}

/* ============================================================
   NAVIGATION
   ============================================================ */
.nav {
  position: sticky;
  top: 0;
  z-index: 200;
  height: var(--nav-h);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
}

.nav__logo {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 400;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;#ef564c
}

.nav__links a {
  font-size: 14px;
  color: var(--dark-gray);
  transition: color var(--transition);
}
.nav__links a:hover {
  color: var(--black);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  padding: 4rem 0 20rem;
  /* min-height: 100vh; */
  display: flex;
  align-items: center;
}

.hero__content {
  /* display: grid;
  grid-template-columns: 1fr 1fr; */
  gap: 3rem;
  align-items: center;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
  width: 100%;
}

.hero__text {
  display: flex;
  flex-direction: column;
}

.hero__tag {
  margin-bottom: 1.75rem;
}

.hero__text h1 {
    max-width: 800px;
  margin-bottom: 1.5rem;
}

.hero__body {
  max-width: 600px;
  margin-bottom: 2rem;
}

.hero__graphic {
  width: 500px;
  /* border-radius: var(--radius-lg); */
  overflow: hidden;
  /* background: linear-gradient(
    135deg,
    #667eea 0%,
    #764ba2 25%,
    #f093fb 50%,
    #4facfe 75%,
    #00f2fe 100%
  ); */
  position: absolute;
  right: 0;
  top: 350px;
}

.hero__graphic-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    #667eea 0%,
    #764ba2 25%,
    #f093fb 50%,
    #4facfe 75%,
    #00f2fe 100%
  );
  animation: gradientShift 15s ease infinite;
  background-size: 400% 400%;
}

@keyframes gradientShift {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

.hero__graphic img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
    clip-path: polygon(
    22px 0%,
    calc(100% - 22px) 0%,
    100% 22px,
    100% calc(100% - 22px),
    calc(100% - 22px) 100%,
    22px 100%,
    0% calc(100% - 22px),
    0% 22px
  );
}

/* INITIATIVES */
.initiatives-section {
  padding: 6rem 2rem;
  background: transparent;
  position: relative;
}

.initiatives-section::before {
  content: "";
  position: absolute;
  top: 2rem;
  left: 50%;
  transform: translateX(-50%);
  width: 90%;
  max-width: 1200px;
  height: calc(100% - 4rem);
  background: linear-gradient(
    135deg,
    #ef564c 0%,
    #fa963f 50%,
    #fe6536 100%
  );
  background-size: 400% 400%;
  /* animation: gradientShift 15s ease infinite; */
  clip-path: polygon(
    22px 0%,
    calc(100% - 22px) 0%,
    100% 22px,
    100% calc(100% - 22px),
    calc(100% - 22px) 100%,
    22px 100%,
    0% calc(100% - 22px),
    0% 22px
  );
  z-index: 1;
}

.initiatives-section .container {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
}

.initiatives-section .pill {
  display: inline-block;
  background: white;
  margin-bottom: 3rem;
}

#initiatives {
  /* padding: 0; */
}

/* Event Cards in Hero */
.hero__events {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.event-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 2rem;
  background: var(--white);
  clip-path: polygon(
    22px 0%,
    calc(100% - 22px) 0%,
    100% 22px,
    100% calc(100% - 22px),
    calc(100% - 22px) 100%,
    22px 100%,
    0% calc(100% - 22px),
    0% 22px
  );
  transition: all var(--transition);
}

.event-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.12);
}

.event-card .pill {
  display: inline-block;
  margin-bottom: 1.5rem;
}

.event-card__title {
  font-family: var(--font-sans);
  font-size: 1.4rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 1rem;
  color: var(--black);
}

.event-card__desc {
  font-size: 15px;
  line-height: 1.7;
  color: var(--dark-gray);
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.event-card .btn {
  width: 100%;
  justify-content: center;
  margin-top: auto;
}

/* ============================================================
   SERVICES SECTION
   ============================================================ */
.services-section .section-title {
  text-align: center;
  margin-bottom: 3rem;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.service-card {
  padding: 2rem;
  background: var(--off-white);
  border: 1.5px solid var(--crimson);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
  cursor: pointer;
  clip-path: polygon(
    22px 0%,
    calc(100% - 22px) 0%,
    100% 22px,
    100% calc(100% - 22px),
    calc(100% - 22px) 100%,
    22px 100%,
    0% calc(100% - 22px),
    0% 22px
  );

}

.service-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin-bottom: 1rem;
  color: var(--black);
}

.service-card p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--dark-gray);
}

.service-card:hover {
  background: var(--white);
  border-color: var(--crimson);
  transform: translateY(-4px);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.08);
}

.service-card:hover h3 {
  color: var(--crimson)
}

/* ============================================================
   ADVANTAGE SECTION
   ============================================================ */
.advantage-section .section-title {
  margin-bottom: 1rem;
}

.advantage-section > .container > div:first-child {
  text-align: center;
  margin-bottom: 3rem;
}

.advantage-section > .container > div:first-child p {
  font-size: 17px;
  color: var(--dark-gray);
  margin-bottom: 2rem;
}

.advantage-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-bottom: 3rem;
}

@media (max-width: 900px) {
  .advantage-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .advantage-grid {
    grid-template-columns: 1fr;
  }
}

.advantage-item {
  text-align: center;
}

.advantage-item h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin-bottom: 0.75rem;
  color: var(--crimson);
}

.advantage-item p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--dark-gray);
}

.advantage-highlight {
  text-align: center;
  padding: 2rem;
  background: var(--off-white);
  border-radius: var(--radius-lg);
  font-size: 17px;
  line-height: 1.8;
  color: var(--black);
  font-weight: 500;
}

/* ============================================================
   ABOUT / FEATURES — crimson background + chamfered cards
   ============================================================ */
.about-section {
  background: linear-gradient(
    135deg,
    #ef564c 0%,
    #fa963f 50%,
    #fe6536 100%
  );
  background-size: 400% 400%;
  padding: 5rem 0 6rem;
}

.about__header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 4rem;
}

.about__header h2.section-title {
  color: var(--white);
  margin-bottom: 1rem;
}

.about__header p {
  color: rgba(255, 255, 255, 0.78);
  font-size: 16px;
  line-height: 1.7;
}

/* 2×2 grid of chamfered feature cards */
.features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

/*
  Chamfered card: clip-path cuts all four corners at 22px.
  This matches the octagonal shape seen in the screenshot.
*/
.feature-card {
  padding: 2rem 2rem 2.5rem;
  clip-path: polygon(
    22px 0%,
    calc(100% - 22px) 0%,
    100% 22px,
    100% calc(100% - 22px),
    calc(100% - 22px) 100%,
    22px 100%,
    0% calc(100% - 22px),
    0% 22px
  );
  background: var(--crimson-card-bg);
  transition: transform 0.22s ease;
}

/* Alternating card backgrounds — left/odd is slightly more pink */
.feature-card:nth-child(odd) {
  background: var(--crimson-card-bg);
}
.feature-card:nth-child(even) {
  background: var(--crimson-card-bg-alt);
}

.feature-card:hover {
  transform: translateY(-4px);
  background-color: var(--white);
}

.feature-card__icon {
  width: 40px;
  height: 40px;
  margin-bottom: 2.5rem;
  /* Tint SVG icons to crimson to match the screenshot */
  filter: invert(13%) sepia(90%) saturate(3000%) hue-rotate(320deg)
    brightness(90%);
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2vw, 1.55rem);
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--black);
  margin-bottom: 0.75rem;
}

.feature-card p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--dark-gray);
}

/* ============================================================
   SPEAKERS
   ============================================================ */
.speakers-section {
  border-top: 1px solid var(--border);
}
#founder-card{
  text-align: center;
}

#founder-card .keynote-card__name{
  font-size: 24px;
}

.keynote-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 3rem;
}

.keynote-grid .keynote-card:first-child {
  grid-column: 1 / -1;
  max-width: 350px;
  justify-self: center;
}

.keynote-card {
  background: var(--white);
  display: flex;
  flex-direction: column;
}

.keynote-card__img {
  aspect-ratio: 3 / 4;
  overflow: hidden;
  background: var(--off-white);
}

.keynote-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}
.keynote-card:hover .keynote-card__img img {
  transform: scale(1.03);
}

.keynote-card__body {
  padding: 1.25rem 1.25rem 1.5rem;
  border-top: 1px solid var(--border);
}

.keynote-card__role {
  display: block;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--dark-gray);
  margin-bottom: 0.3rem;
}

.keynote-card__name {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin-bottom: 0.6rem;
}

.keynote-card__bio {
  font-size: 13px;
  color: var(--dark-gray);
  line-height: 1.6;
}

.keynote-card__body .btn {
  display: inline-block;
  margin-top: 1rem;
  padding: 8px 16px;
  font-size: 13px;
}

/* Session leaders */
.leaders-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

@media (max-width: 900px) {
  .leaders-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .leaders-grid {
    grid-template-columns: 1fr;
  }
}

.leader-card {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  padding: 1rem 1.25rem;
  background: var(--white);
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}
.leader-card:hover {
  background: var(--off-white);
}

.leader-card__avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
  background: var(--light-gray);
}
.leader-card__avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.leader-card__name {
  font-size: 14px;
  font-weight: 500;
  line-height: 1.3;
}
.leader-card__role {
  font-size: 12px;
  color: var(--dark-gray);
  margin-top: 1px;
}

/* ============================================================
   SCHEDULE
   ============================================================ */
.schedule-section {
  border-top: 1px solid var(--border);
}
.schedule-list {
  border-top: 1px solid var(--border);
}

.schedule-row {
  display: grid;
  grid-template-columns: 200px 1fr auto;
  gap: 2rem;
  padding: 2rem 0;
  border-bottom: 1px solid var(--border);
  align-items: start;
}

.schedule-time {
  font-size: 13px;
  color: var(--mid-gray);
  padding-top: 3px;
  font-variant-numeric: tabular-nums;
  line-height: 1.5;
}
.schedule-time em {
  font-style: normal;
  display: block;
  color: var(--dark-gray);
}

.schedule-name {
  font-size: 15px;
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.schedule-desc {
  font-size: 13px;
  line-height: 1.65;
  color: var(--dark-gray);
  max-width: 520px;
}

.schedule-avatars {
  display: flex;
  align-items: center;
  padding-top: 2px;
}

.schedule-avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 2px solid var(--white);
  overflow: hidden;
  background: var(--light-gray);
  margin-left: -8px;
  flex-shrink: 0;
}
.schedule-avatar:first-child {
  margin-left: 0;
}
.schedule-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ============================================================
   PARTNERS
   ============================================================ */
.partners-section {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 3rem 0;
}

.partners-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 3rem;
}

.partner-logo {
  height: 24px;
  opacity: 0.4;
  filter: grayscale(1);
  transition: opacity var(--transition);
}
.partner-logo:hover {
  opacity: 0.7;
}

/* ============================================================
   CTA SECTION
   ============================================================ */
.cta-section {
  text-align: center;
  padding: 1rem 0;
}

.cta-section h2 {
  margin-bottom: 1rem;
}

.cta-section p {
  max-width: 500px;
  margin: 0 auto 2.5rem;
  color: var(--dark-gray);
  font-size: 16px;
  line-height: 1.7;
}

/* ============================================================
   FAQ
   ============================================================ */
.faq-section {
  border-top: 1px solid var(--border);
}
.faq-list {
  margin-top: 0;
}
.faq-item {
  border-bottom: 1px solid var(--border);
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  padding: 1.5rem 0;
  cursor: pointer;
  font-size: 16px;
  font-weight: 500;
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  color: var(--black);
  font-family: var(--font-sans);
  transition: color var(--transition);
}
.faq-question:hover {
  color: var(--dark-gray);
}

.faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1.5px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 16px;
  font-weight: 300;
  line-height: 1;
  transition: transform 0.22s ease, background var(--transition);
}
.faq-item.open .faq-icon {
  transform: rotate(45deg);
  background: var(--black);
  border-color: var(--black);
  color: var(--white);
}

.faq-answer {
  display: none;
  padding: 0 2rem 1.5rem 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--dark-gray);
  max-width: 640px;
}
.faq-item.open .faq-answer {
  display: block;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem 0;
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer__logo {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer__nav {
  display: flex;
  gap: 1.5rem;
  list-style: none;
  flex-wrap: wrap;
}
.footer__nav a {
  font-size: 13px;
  color: var(--dark-gray);
  transition: color var(--transition);
}
.footer__nav a:hover {
  color: var(--black);
}

.footer__social {
  display: flex;
  gap: 1rem;
}
.footer__social a {
  font-size: 13px;
  color: var(--dark-gray);
  transition: color var(--transition);
}
.footer__social a:hover {
  color: var(--black);
}

.footer__bottom {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.footer__bottom span,
.footer__bottom a {
  font-size: 12px;
  color: var(--mid-gray);
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact-section {
  border-top: 1px solid var(--border);
}

.contact-section h2 {
  text-align: center;
  margin-bottom: 0.75rem;
}

.contact-subtitle {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 3rem;
  color: var(--dark-gray);
  font-size: 16px;
  line-height: 1.7;
}

.contact-form {
  max-width: 600px;
  margin: 0 auto;
}

.form-group {
  display: flex;
  flex-direction: column;
  margin-bottom: 1.75rem;
}

.form-label {
  font-size: 14px;
  font-weight: 500;
  color: var(--black);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-input,
.form-textarea {
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--black);
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--mid-gray);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--black);
  box-shadow: 0 0 0 3px rgba(13, 13, 13, 0.05);
}

.form-textarea {
  resize: vertical;
  min-height: 140px;
  line-height: 1.6;
}

.contact-form .btn {
  margin-top: 1rem;
  width: 100%;
  justify-content: center;
}

.form-message {
  padding: 15px;
  border-radius: 6px;
  margin-bottom: 20px;
  font-weight: 500;
  text-align: center;
}

.form-success {
  background-color: #e8f5e9;
  color: #2e7d32;
  border: 1px solid #4caf50;
}

.form-error {
  background-color: #ffebee;
  color: #c62828;
  border: 1px solid #ef5350;
}

/* ============================================================
   DIVIDER
   ============================================================ */
.divider {
  border: none;
  border-top: 1px solid var(--border);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  .hero {
    display: block;
    min-height: auto;
    padding: 4rem 0;
  }

  .hero__content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .hero__graphic {
    position: static;
    width: 100%;
    height: 350px;
    margin-top: 2rem;
    display: block;
  }

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

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

  .schedule-row {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .schedule-avatars {
    margin-top: 0.5rem;
  }

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

  .about-us-two-col {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .container {
    padding: 1.25rem 1.25rem;
  }

  .hero__content {
    padding: 0 1.25rem;
  }

  .hero {
    min-height: auto;
    padding: 3rem 0;
  }

  .hero__graphic {
    position: static;
    width: 100%;
    height: 250px;
    margin-top: 1.5rem;
  }

  .nav__links {
    display: none;
  }

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

  .footer__inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .contact-form {
    padding: 0 1rem;
  }
  .feature-card {
    clip-path: polygon(
      14px 0%,
      calc(100% - 14px) 0%,
      100% 14px,
      100% calc(100% - 14px),
      calc(100% - 14px) 100%,
      14px 100%,
      0% calc(100% - 14px),
      0% 14px
    );
  }
}