*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --navy: #0c2340;
  --navy-light: #1a3a5c;
  --gold: #b99b6b;
  --gold-hover: #a8895a;
  --gray-text: #5a5a5a;
  --gray-light: #8a8a8a;
  --gray-border: #d4d4d4;
  --gray-bg: #f2f2f2;
  --white: #ffffff;

  /* Hero typography & layout — 1920px design */
  --hero-height: 800px;
  --hero-content-max: 1000px;
  --hero-heading-size: 84px;
  --hero-subtext-size: 30px;
  --form-label-size: 24px;
  --form-control-size: 30px;
  --form-control-width: 600px;
  --form-control-height: 90px;
  --hero-contact-size: 23px;
  --hero-contact-icon: 40px;
  --header-logo-max: 400px;
}

body {
  font-family: 'Inter', Arial, sans-serif;
  color: var(--navy);
  background: var(--white);
  line-height: 1.5;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  display: block;
}

/* Header */
.header {
  padding: 1rem;
  background: var(--white);
  text-align: center;
}

.header__logo {
  display: inline-block;
  max-width: min(var(--header-logo-max), 92vw);
  height: auto;
}

/* Hero */
.hero {
  position: relative;
  min-height: var(--hero-height);
  background: url('../images/shared/banner-bg.png') 65% center / cover no-repeat;
  display: flex;
  align-items: center;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to right,
    var(--white) 0%,
    var(--white) 32%,
    rgba(255, 255, 255, 0.92) 42%,
    rgba(255, 255, 255, 0.55) 55%,
    transparent 72%
  );
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: var(--hero-content-max);
  padding: 3rem 2rem 3rem clamp(1.5rem, 8vw, 10rem);
  text-align: center;
}

.form {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
}

.hero__heading {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: var(--hero-heading-size);
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 1.25rem;
  line-height: 1.15;
}

.hero__subtext {
  font-size: var(--hero-subtext-size);
  color: var(--gray-text);
  width: 80%;
  margin-bottom: 2.25rem;
  line-height: 1.6;
}

.form__label {
  display: block;
  font-size: var(--form-label-size);
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--navy);
  margin-bottom: 0.5rem;
}

.form__input {
  width: var(--form-control-width);
  max-width: 100%;
  height: var(--form-control-height);
  padding: 0 1.25rem;
  font-size: var(--form-control-size);
  font-family: inherit;
  border: 1px solid var(--gray-border);
  border-radius: 0;
  margin-bottom: 1.25rem;
  outline: none;
  transition: border-color 0.2s;
  background: var(--white);
}

.form__input:focus {
  border-color: var(--gold);
}

.form__input::placeholder {
  color: #aaa;
}

.form__error {
  width: var(--form-control-width);
  max-width: 100%;
  margin: -0.5rem 0 1rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: #b42318;
  text-align: left;
}

.form__button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  width: var(--form-control-width);
  max-width: 100%;
  height: var(--form-control-height);
  padding: 0 2rem;
  font-size: var(--form-control-size);
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--white);
  background: var(--gold);
  border: none;
  border-radius: 0;
  cursor: pointer;
  transition: background 0.2s;
}

.form__button:hover {
  background: var(--gold-hover);
}

.form__button-arrow {
  font-size: var(--form-control-size);
  line-height: 1;
}

.hero__contact {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-top: 2rem;
  font-size: var(--hero-contact-size);
  color: var(--gray-text);
  line-height: 1.5;
}

.hero__contact-icon {
  flex-shrink: 0;
  width: var(--hero-contact-icon);
  height: var(--hero-contact-icon);
  mix-blend-mode: screen;
}

.hero__contact-text {
  text-align: left;
}

.hero__contact-text p + p {
  margin-top: 0.15rem;
}

.hero__contact strong {
  color: var(--navy);
  font-weight: 700;
}

/* Why Attend */
.why-attend {
  background: var(--gray-bg);
  padding: 4rem 1.5rem;
}

.why-attend__inner {
  margin: 0 auto;
}

.why-attend__title {
  text-align: center;
  font-size: 36px;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--navy);
  margin-bottom: 0.75rem;
}

.why-attend__underline {
  width: 50px;
  height: 3px;
  background: var(--gold);
  margin: 0 auto 3rem;
}

.why-attend__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.why-attend__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 1.5rem;
  border-right: 1px solid var(--gray-border);
}

.why-attend__item:last-child {
  border-right: none;
}

.why-attend__icon {
  display: block;
  flex-shrink: 0;
  width: 100px;
  height: 100px;
  margin-bottom: 1.25rem;
  border: 2px solid #021739;
  border-radius: 50%;
}

.why-attend__text {
  font-size: 22px;
  color: var(--navy);
  line-height: 1.45;
}

/* Footer */
.footer {
  background: var(--navy);
  padding: 1.5rem;
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.footer__logo {
  width: 47px;
  height: 57px;
  flex-shrink: 0;
}

.footer__divider {
  width: 1px;
  height: 28px;
  background: rgba(255, 255, 255, 0.4);
}

.footer__tagline {
  font-size: 0.9rem;
  color: var(--white);
}

/* 1536px — scale to match 1920px design proportions */
@media (max-width: 1536px) {
  :root {
    --hero-height: 640px;
    --hero-content-max: 800px;
    --hero-heading-size: 67px;
    --hero-subtext-size: 24px;
    --form-label-size: 17px;
    --form-control-size: 20px;
    --form-control-width: 380px;
    --form-control-height: 52px;
    --hero-contact-size: 18px;
    --hero-contact-icon: 32px;
  }

  .hero__content {
    padding: 3rem 2rem 3rem clamp(1.5rem, 4vw, 3rem);
  }
}

/* Responsive */
@media (max-width: 900px) {
  :root {
    --hero-height: auto;
    --hero-heading-size: clamp(2.25rem, 6vw, 3.25rem);
    --hero-subtext-size: 1.15rem;
    --form-label-size: 0.9rem;
    --form-control-size: 1.05rem;
    --form-control-width: 100%;
    --form-control-height: 56px;
    --hero-contact-size: 0.95rem;
    --hero-contact-icon: 34px;
  }

  .hero {
    align-items: flex-start;
    background-position: 70% center;
  }

  .hero::before {
    background: linear-gradient(
      to bottom,
      var(--white) 0%,
      var(--white) 58%,
      rgba(255, 255, 255, 0.95) 72%,
      rgba(255, 255, 255, 0.75) 82%,
      transparent 100%
    );
  }

  .hero__content {
    padding: 2rem 1.5rem 2.5rem;
    max-width: 520px;
  }

  .hero__subtext {
    width: 100%;
    margin-bottom: 1.75rem;
  }

  .hero__contact {
    position: relative;
    z-index: 1;
  }

  .hero__contact-icon {
    mix-blend-mode: normal;
    border-radius: 50%;
    background-color: var(--navy);
    padding: 5px;
    box-sizing: border-box;
  }

  .why-attend__grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem 1.5rem;
  }

  .why-attend__item {
    border-right: none;
    padding: 0 0.5rem;
  }
}

@media (max-width: 768px) {
  :root {
    --hero-height: auto;
    --hero-heading-size: clamp(1.85rem, 7.5vw, 2.5rem);
    --hero-subtext-size: 1rem;
    --form-label-size: 0.8rem;
    --form-control-size: 1rem;
    --form-control-height: 52px;
    --hero-contact-size: 0.875rem;
    --hero-contact-icon: 30px;
    --header-logo-max: 320px;
  }

  .header {
    padding: 1rem 1.25rem;
  }

  .header__logo {
    max-width: min(320px, 90vw);
    width: 100%;
  }

  .hero {
    min-height: auto;
    align-items: flex-start;
    background-position: center top;
  }

  .hero__content {
    padding: 2rem 1.25rem 2.5rem;
    max-width: 100%;
  }

  .hero__heading {
    margin-bottom: 1rem;
  }

  .hero__subtext {
    margin-bottom: 1.5rem;
    line-height: 1.55;
  }

  .form__input,
  .form__button {
    margin-bottom: 1rem;
  }

  .hero__contact {
    margin-top: 1.25rem;
    gap: 0.65rem;
    width: 100%;
    max-width: 100%;
    justify-content: center;
  }

  .hero__contact-text {
    text-align: left;
    color: var(--navy);
  }

  .hero__contact-text p:first-child {
    color: var(--gray-text);
  }

  .why-attend {
    padding: 2.5rem 1.25rem;
  }

  .why-attend__title {
    font-size: 1.25rem;
    letter-spacing: 0.12em;
    margin-bottom: 0.65rem;
  }

  .why-attend__underline {
    margin-bottom: 2rem;
  }

  .why-attend__grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .why-attend__item {
    padding: 0;
  }

  .why-attend__icon {
    width: 100px;
    height: 100px;
    margin-bottom: 1rem;
  }

  .why-attend__text {
    font-size: 22px;
    max-width: 280px;
  }

  .footer {
    padding: 1.25rem;
  }

  .footer__inner {
    flex-direction: column;
    gap: 0.75rem;
    text-align: center;
  }

  .footer__divider {
    width: 40px;
    height: 1px;
  }

  .footer__tagline {
    font-size: 0.8rem;
    line-height: 1.45;
  }
}

@media (max-width: 480px) {
  :root {
    --hero-heading-size: 1.75rem;
    --hero-subtext-size: 0.95rem;
    --form-control-height: 48px;
    --form-control-size: 0.95rem;
    --hero-contact-size: 0.8rem;
    --hero-contact-icon: 28px;
  }

  .hero__content {
    padding: 1.75rem 1.25rem 2rem;
  }

  .hero__contact-icon {
    width: 28px;
    height: 28px;
    padding: 4px;
  }

  .why-attend {
    padding: 2rem 1.25rem;
  }

  .why-attend__icon {
    width: 100px;
    height: 100px;
  }

  .why-attend__text {
    font-size: 22px;
  }

  .form__button {
    gap: 0.5rem;
    padding: 0 1.25rem;
  }
}
