/* ================================================================
   ISCA — Coming Soon
   Apple-inspired: pure black, massive type, surgical whitespace
   ================================================================ */

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

:root {
  --black: #000000;
  --white: #f5f5f7;
  --gray-1: #86868b;
  --gray-2: #6e6e73;
  --gray-3: #424245;
  --gray-4: #1d1d1f;
  --blue: #2997ff;
  --blue-hover: #0077ed;
  --cyan: #64d2ff;
  --teal: #5ce5d5;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', sans-serif;
  --font-serif: 'Instrument Serif', Georgia, 'Times New Roman', serif;
  --ease: cubic-bezier(0.25, 1, 0.5, 1);
  --ease-spring: cubic-bezier(0.16, 1, 0.3, 1);
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  background: var(--black);
  color: var(--white);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection {
  background: rgba(41, 151, 255, 0.3);
  color: #fff;
}

/* -------------------- Ambient Glow -------------------- */
.ambient {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.ambient-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0;
  animation: ambientIn 3s var(--ease) forwards;
}

.ambient-orb--1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(100, 210, 255, 0.07) 0%, transparent 70%);
  top: -15%;
  left: 50%;
  transform: translateX(-50%);
  animation-delay: 1s;
}

.ambient-orb--2 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(92, 229, 213, 0.04) 0%, transparent 70%);
  bottom: -20%;
  left: 50%;
  transform: translateX(-50%);
  animation-delay: 1.5s;
}

@keyframes ambientIn {
  to { opacity: 1; }
}

/* -------------------- Navigation -------------------- */
.nav {
  position: relative;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.nav__logo {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--white);
  text-decoration: none;
  transition: opacity 0.3s ease;
}

.nav__logo:hover {
  opacity: 0.7;
}

/* -------------------- Hero -------------------- */
.hero {
  position: relative;
  z-index: 10;
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px 24px 40px;
  max-width: 980px;
  margin: 0 auto;
  width: 100%;
}

/* Eyebrow */
.hero__eyebrow {
  font-size: 17px;
  font-weight: 400;
  color: var(--gray-1);
  letter-spacing: 0.01em;
  margin-bottom: 20px;
}

/* Headline — the star */
.hero__headline {
  font-size: clamp(56px, 11vw, 96px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.025em;
  color: var(--white);
  margin-bottom: 24px;
}

.hero__headline--accent {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  background: linear-gradient(90deg, var(--cyan), var(--teal), var(--cyan));
  background-size: 200% 100%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradientFlow 8s ease infinite;
}

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

/* Body Copy */
.hero__body {
  font-size: clamp(17px, 2.4vw, 21px);
  font-weight: 400;
  line-height: 1.5;
  color: var(--gray-1);
  max-width: 500px;
  margin-bottom: 48px;
}

/* -------------------- Macros -------------------- */
.macros {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin-bottom: 52px;
}

.macros__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 clamp(20px, 4vw, 40px);
}

.macros__value {
  font-size: clamp(28px, 5vw, 40px);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--white);
  line-height: 1;
}

.macros__label {
  font-size: 13px;
  font-weight: 400;
  color: var(--gray-2);
  margin-top: 6px;
  letter-spacing: 0.02em;
}

.macros__sep {
  width: 1px;
  height: 40px;
  background: rgba(255, 255, 255, 0.08);
  flex-shrink: 0;
}

/* -------------------- Notify Form -------------------- */
.notify {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  max-width: 440px;
}

.notify__form {
  display: flex;
  width: 100%;
  border-radius: 12px;
  overflow: hidden;
  background: var(--gray-4);
  border: 1px solid rgba(255, 255, 255, 0.06);
  transition: border-color 0.4s ease, box-shadow 0.4s ease;
}

.notify__form:focus-within {
  border-color: rgba(100, 210, 255, 0.2);
  box-shadow: 0 0 0 4px rgba(100, 210, 255, 0.04);
}

.notify__input {
  flex: 1;
  padding: 15px 20px;
  background: transparent;
  border: none;
  font-family: var(--font);
  font-size: 16px;
  font-weight: 400;
  color: var(--white);
  outline: none;
  min-width: 0;
}

.notify__input::placeholder {
  color: var(--gray-2);
}

.notify__btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 15px 24px;
  background: var(--blue);
  border: none;
  font-family: var(--font);
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.2s ease;
}

.notify__btn:hover {
  background: var(--blue-hover);
}

.notify__btn:active {
  transform: scale(0.98);
}

.notify__btn-icon {
  font-size: 16px;
  transition: transform 0.2s var(--ease);
}

.notify__btn:hover .notify__btn-icon {
  transform: translateX(2px);
}

.notify__hint {
  margin-top: 14px;
  font-size: 13px;
  color: var(--gray-2);
  font-weight: 400;
}

/* Success state */
.notify__success {
  display: none;
  align-items: center;
  gap: 10px;
  font-size: 17px;
  font-weight: 400;
  color: var(--teal);
  padding: 16px 0;
}

.notify__success.show {
  display: flex;
}

.notify__form.hidden {
  display: none;
}

.notify__hint.hidden {
  display: none;
}

.notify__check {
  font-weight: 600;
  font-size: 20px;
}

/* -------------------- Footer -------------------- */
.footer {
  position: relative;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  padding: 20px 24px 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
}

.footer__social {
  display: flex;
  gap: 16px;
}

.footer__link {
  color: var(--gray-2);
  transition: color 0.2s ease;
  display: flex;
}

.footer__link:hover {
  color: var(--white);
}

.footer__copy {
  font-size: 12px;
  color: var(--gray-3);
}

/* Separator dot between social and copy */
.footer__social::after {
  content: '';
  display: block;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--gray-3);
  align-self: center;
  margin-left: 8px;
}

/* -------------------- Entry Animations -------------------- */
.anim {
  opacity: 0;
  transform: translateY(20px);
}

.anim.in {
  animation: fadeIn 1s var(--ease-spring) forwards;
}

@keyframes fadeIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* -------------------- Responsive -------------------- */
@media (max-width: 600px) {
  .hero {
    padding: 40px 20px 32px;
    justify-content: center;
  }

  .hero__eyebrow {
    font-size: 15px;
  }

  .hero__headline {
    margin-bottom: 18px;
  }

  .hero__body {
    margin-bottom: 36px;
  }

  .macros {
    margin-bottom: 40px;
    gap: 0;
    flex-wrap: wrap;
    justify-content: center;
  }

  .macros__item {
    padding: 0 16px;
  }

  .macros__value {
    font-size: 28px;
  }

  .macros__sep {
    height: 32px;
  }

  .notify__form {
    flex-direction: column;
    border-radius: 14px;
  }

  .notify__btn {
    justify-content: center;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
  }

  .hide-mobile {
    display: none;
  }

  .ambient-orb--1 {
    width: 350px;
    height: 350px;
  }

  .ambient-orb--2 {
    width: 300px;
    height: 300px;
  }
}

/* -------------------- Scrollbar -------------------- */
::-webkit-scrollbar {
  width: 0;
  background: transparent;
}