/* ===================================
   Buttons
   =================================== */
.btn {
  display: inline-block;
  font-family: var(--font-family);
  font-weight: var(--font-weight-semibold);
  text-align: center;
  text-decoration: none;
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-full);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-base);
  line-height: 1.5;
  font-size: var(--font-size-base);
}

.btn--primary {
  background-color: var(--color-bright-teal);
  color: var(--color-bg-dark);
  border-color: var(--color-bright-teal);
}

.btn--primary:hover,
.btn--primary:focus {
  background-color: var(--color-light-teal);
  border-color: var(--color-light-teal);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn--primary:active {
  transform: translateY(0);
}

.btn--secondary {
  background-color: transparent;
  color: var(--color-white);
  border-color: var(--color-white);
}

.btn--secondary:hover,
.btn--secondary:focus {
  background-color: var(--color-white);
  color: var(--color-bg-dark);
  border-color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn--secondary:active {
  transform: translateY(0);
}

.btn--large {
  font-size: var(--font-size-lg);
  padding: var(--space-md) var(--space-xl);
}

/* ===================================
   Features Section
   =================================== */
.features {
  position: relative;
  padding: var(--space-3xl) 0;
  background-color: var(--color-neutral-50);
  background-image:
    radial-gradient(circle at 15% 30%, rgba(56, 178, 172, 0.04) 0%, transparent 50%),
    radial-gradient(circle at 85% 70%, rgba(129, 230, 217, 0.04) 0%, transparent 50%),
    radial-gradient(circle at 50% 90%, rgba(79, 209, 197, 0.03) 0%, transparent 40%);
}

.feature-showcase {
  display: flex;
  flex-direction: column;
  gap: var(--space-2xl);
}

.feature-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  align-items: center;
  padding: var(--space-sm) 0;
  transition: all var(--transition-slow);
}

.feature-row__visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.feature-row__content h3 {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-bg-dark);
  margin-bottom: var(--space-sm);
  line-height: 1.3;
}

.feature-row__content p {
  font-size: var(--font-size-lg);
  color: var(--color-neutral-200);
  line-height: 1.7;
}

.mockup-placeholder--feature {
  max-width: 320px;
  width: 100%;
  aspect-ratio: 9 / 16;
  box-shadow: var(--shadow-xl);
  transition: transform var(--transition-slow);
}

.mockup-placeholder--feature:hover {
  transform: scale(1.02);
}

/* Phone mockup for feature sections - smaller than hero */
.phone-mockup--feature {
  max-width: 220px;
}

.phone-mockup--feature .phone-mockup__frame {
  border-radius: 32px;
  padding: 8px;
  box-shadow:
    0 0 0 1px #333,
    0 15px 30px rgba(0, 0, 0, 0.25),
    inset 0 0 0 1px rgba(255, 255, 255, 0.1);
}

.phone-mockup--feature .phone-mockup__screen {
  border-radius: 26px;
}

/* ===================================
   Beta Signup Section
   =================================== */
.beta-signup {
  position: relative;
  padding: var(--space-3xl) 0;
  background: linear-gradient(135deg, var(--color-primary-teal) 0%, var(--color-deep-teal) 100%);
  color: var(--color-white);
  text-align: center;
  overflow: hidden;
}

.beta-signup::before {
  content: '';
  position: absolute;
  top: -20%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.05) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.beta-signup__content {
  position: relative;
  z-index: 1;
  max-width: 600px;
  margin: 0 auto;
}

.beta-signup__description {
  font-size: var(--font-size-lg);
  color: var(--color-pale-teal);
  margin-bottom: var(--space-lg);
  line-height: 1.7;
}

.beta-form {
  max-width: 500px;
  margin: 0 auto;
}

.beta-form__input-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.beta-form__input {
  flex: 1;
  padding: var(--space-md);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  border: 2px solid var(--color-white);
  border-radius: var(--radius-full);
  background-color: var(--color-white);
  color: var(--color-dark-teal);
  transition: all var(--transition-base);
}

.beta-form__input::placeholder {
  color: var(--color-neutral-200);
}

.beta-form__input:focus {
  outline: none;
  border-color: var(--color-bright-teal);
  box-shadow: 0 0 0 3px rgba(79, 209, 197, 0.3);
}

.beta-form__input.error {
  border-color: #ff3a3a;
}

.beta-form__privacy {
  font-size: 0.875rem;
  color: var(--color-pale-teal);
}

/* ===================================
   Download Section
   =================================== */
.download {
  padding: var(--space-3xl) 0;
  background-color: var(--color-white);
  text-align: center;
}

.app-badges {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.app-badge {
  display: inline-block;
  transition: all var(--transition-base);
}

.app-badge--disabled {
  opacity: 0.5;
  filter: grayscale(100%);
  cursor: not-allowed;
  pointer-events: none;
}

.download__coming-soon {
  color: var(--color-neutral-200);
  font-size: var(--font-size-base);
}

/* ===================================
   Footer
   =================================== */
.footer {
  background-color: var(--color-neutral-100);
  padding: var(--space-lg) 0;
  text-align: center;
}

.footer__nav {
  margin-bottom: var(--space-sm);
}

.footer__links {
  list-style: none;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

.footer__links a {
  color: var(--color-dark-teal);
  text-decoration: none;
  font-weight: var(--font-weight-semibold);
  transition: color var(--transition-base);
}

.footer__links a:hover,
.footer__links a:focus {
  color: var(--color-primary-teal);
}

.footer__copyright {
  color: var(--color-neutral-200);
  font-size: 0.875rem;
}