/* ============================================================
   paperly – Waitlist Landing Page
   styles.css
   ============================================================ */

/* ── Variables de diseño ──────────────────────────────────── */
:root {
  --color-bg:        #FFF5F8;
  --color-primary:   #D6336C;
  --color-accent:    #FF4081;
  --color-border:    #FFB6C1;
  --color-white:     #FFFFFF;
  --color-text-soft: #a85080;

  --font-base: 'Poppins', sans-serif;

  --radius-sm:  8px;
  --radius-md:  16px;
  --radius-lg:  24px;
  --radius-xl:  40px;

  --shadow-card: 0 8px 32px rgba(214, 51, 108, 0.12);
  --shadow-btn:  0 4px 20px rgba(255, 64, 129, 0.4);

  --transition: 0.25s ease;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-base);
  background-color: var(--color-bg);
  color: var(--color-primary);
  line-height: 1.6;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

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

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ── Contenedor ───────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1100px;
  margin-inline: auto;
  padding-inline: 1.25rem;
}

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  z-index: 100;
  padding-block: 1rem;
  background: rgba(255, 245, 248, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
}

.logo-img {
  height: 36px;
  width: auto;
  object-fit: contain;
}

.logo-name {
  font-size: 1.25rem;
  font-weight: 700;
  font-style: italic;
  letter-spacing: -0.04em;
  background: linear-gradient(120deg, var(--color-primary) 0%, var(--color-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  background: rgba(255, 64, 129, 0.1);
  border: 1px solid rgba(255, 64, 129, 0.3);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-xl);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-block: 6rem 4rem;
}

.hero-video-wrapper {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(255, 245, 248, 0.92) 0%,
    rgba(255, 245, 248, 0.75) 50%,
    rgba(255, 182, 193, 0.55) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding-block: 2rem;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-soft);
  margin-bottom: 1rem;
  background: rgba(255, 182, 193, 0.35);
  padding: 0.3rem 1rem;
  border-radius: var(--radius-xl);
}

.hero-title {
  font-size: clamp(2rem, 6vw, 3.5rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--color-primary);
  margin-bottom: 1rem;
  text-wrap: balance;
}

.hero-subtitle {
  font-size: clamp(0.95rem, 2vw, 1.1rem);
  font-weight: 300;
  color: var(--color-text-soft);
  max-width: 520px;
  margin-inline: auto;
  margin-bottom: 2.5rem;
  text-wrap: pretty;
}

/* ── Tarjeta del formulario ───────────────────────────────── */
.waitlist-card {
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  max-width: 460px;
  margin-inline: auto;
  box-shadow: var(--shadow-card);
}

.waitlist-label {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-soft);
  margin-bottom: 1.25rem;
}

.field-group {
  margin-bottom: 0.85rem;
}

.form-input {
  width: 100%;
  padding: 0.85rem 1.1rem;
  font-family: var(--font-base);
  font-size: 0.95rem;
  color: var(--color-primary);
  background: var(--color-bg);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-input::placeholder {
  color: #c994b0;
}

.form-input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(255, 64, 129, 0.18);
}

.form-input.is-error {
  border-color: #e53e3e;
  box-shadow: 0 0 0 3px rgba(229, 62, 62, 0.15);
}

.form-textarea {
  resize: vertical;
  min-height: 80px;
  line-height: 1.55;
}

.field-error {
  font-size: 0.78rem;
  color: #e53e3e;
  margin-top: 0.35rem;
  min-height: 1em;
}

.btn-submit {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.95rem 1.5rem;
  font-family: var(--font-base);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-white);
  background: var(--color-accent);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  box-shadow: var(--shadow-btn);
  transition:
    background var(--transition),
    transform var(--transition),
    box-shadow var(--transition);
  margin-top: 0.5rem;
}

.btn-submit:hover:not(:disabled) {
  background: #e0306a;
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(255, 64, 129, 0.5);
}

.btn-submit:active:not(:disabled) {
  transform: translateY(0);
  box-shadow: var(--shadow-btn);
}

.btn-submit:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.btn-loader {
  display: none;
  width: 18px;
  height: 18px;
  border: 2.5px solid rgba(255,255,255,0.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

.btn-submit.is-loading .btn-text {
  display: none;
}

.btn-submit.is-loading .btn-loader {
  display: block;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ── Mensaje de éxito ─────────────────────────────────────── */
.success-message {
  text-align: center;
  padding: 1.5rem 1rem;
  animation: fadeInUp 0.5s ease forwards;
}

.success-icon {
  font-size: 3rem;
  margin-bottom: 0.75rem;
}

.success-title {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.success-text {
  font-size: 0.95rem;
  color: var(--color-text-soft);
  line-height: 1.6;
}

/* ============================================================
   FEATURES
   ============================================================ */
.features {
  padding-block: 5rem 4rem;
  background: var(--color-white);
}

.section-title {
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 700;
  text-align: center;
  color: var(--color-primary);
  margin-bottom: 2.5rem;
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 640px) {
  .features-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.feature-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.75rem 1.5rem;
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.feature-icon {
  font-size: 2.25rem;
  margin-bottom: 0.85rem;
}

.feature-name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.feature-desc {
  font-size: 0.88rem;
  color: var(--color-text-soft);
  line-height: 1.65;
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  margin-top: auto;
  background: var(--color-primary);
  color: var(--color-white);
  padding-block: 1.75rem;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  text-align: center;
}

.footer-logo {
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--color-white);
}

.footer-copy {
  font-size: 0.8rem;
  opacity: 0.75;
}

/* ============================================================
   ANIMACIONES
   ============================================================ */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-eyebrow,
.hero-title,
.hero-subtitle,
.waitlist-card {
  animation: fadeInUp 0.6s ease both;
}

.hero-eyebrow  { animation-delay: 0.1s; }
.hero-title    { animation-delay: 0.22s; }
.hero-subtitle { animation-delay: 0.34s; }
.waitlist-card { animation-delay: 0.46s; }

/* ── Responsive ───────────────────────────────────────────── */
@media (min-width: 768px) {
  .waitlist-card {
    padding: 2.5rem 2rem;
  }

  .logo-img {
    height: 42px;
  }
}