/*
Theme Name: PLUM
Theme URI: https://example.com/
Author: PLUM Studio
Description: Soft lavender landing theme based on the PLUM site design.
Version: 1.0.0
Text Domain: plum
*/

@import url("https://fonts.googleapis.com/css2?family=Italiana&family=Manrope:wght@300;400;500&family=Noto+Serif+JP:wght@300;400;500&display=swap");

:root {
  --bg: #f6f1f9;
  --bg-alt: #efe8f5;
  --accent: #d8c1ec;
  --accent-dark: #9b7dbb;
  --ink: #2f2a35;
  --muted: #6a6175;
  --white: #ffffff;
  --shadow: 0 24px 60px rgba(80, 60, 110, 0.18);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Manrope", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Noto Serif JP", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(900px 380px at 20% -10%, rgba(231, 217, 243, 0.7), transparent 60%),
    radial-gradient(760px 420px at 85% 10%, rgba(214, 196, 236, 0.55), transparent 60%),
    linear-gradient(180deg, #faf7fc 0%, var(--bg) 55%, #ede6f3 100%);
  line-height: 1.7;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: min(1100px, 90%);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(246, 241, 249, 0.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(155, 125, 187, 0.18);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 1.2rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-family: "Italiana", "Noto Serif JP", serif;
}

.logo-mark {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  object-fit: cover;
  box-shadow: 0 10px 24px rgba(120, 90, 160, 0.22);
}

.logo span {
  color: var(--accent-dark);
}

.logo span:first-of-type {
  color: var(--ink);
  letter-spacing: 0.18em;
}

.nav {
  display: flex;
  gap: 24px;
  font-size: 0.95rem;
  letter-spacing: 0.08em;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 26px;
  background: linear-gradient(135deg, #ad8bd0 0%, #8d6bb4 100%);
  color: var(--white);
  border-radius: 999px;
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 12px 26px rgba(141, 107, 180, 0.35);
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 32px rgba(141, 107, 180, 0.45);
}

.btn.ghost {
  background: transparent;
  color: var(--accent-dark);
  border: 1px solid rgba(155, 125, 187, 0.4);
  box-shadow: none;
}

.btn.small {
  padding: 10px 18px;
  font-size: 0.85rem;
}

.btn.light {
  background: var(--white);
  color: var(--accent-dark);
}

.hero {
  position: relative;
  padding: 120px 0 60px;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 40px;
  align-items: center;
}

.hero h1 {
  font-size: clamp(2.6rem, 4vw, 4rem);
  line-height: 1.2;
  margin: 12px 0 18px;
  font-family: "Italiana", "Noto Serif JP", serif;
  letter-spacing: 0.04em;
}

.lead {
  font-size: 1.05rem;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 22px;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.hero-badges span {
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(216, 193, 236, 0.3);
  font-size: 0.85rem;
  letter-spacing: 0.05em;
}

.hero-card .glass {
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(190, 168, 216, 0.4);
  border-radius: 28px;
  padding: 34px;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}

.hero-card .glass::before {
  content: "";
  position: absolute;
  inset: 10% 8% auto 8%;
  height: 52%;
  border-radius: 120px 120px 24px 24px;
  border: 1px solid rgba(186, 162, 212, 0.5);
  background: rgba(255, 255, 255, 0.4);
  pointer-events: none;
}

.hero-card .glass::after {
  content: "";
  position: absolute;
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(216, 193, 236, 0.7), transparent 70%);
  right: -30px;
  bottom: -30px;
  opacity: 0.7;
  pointer-events: none;
}

.hero-card .glass > * {
  position: relative;
  z-index: 1;
}

.card-title {
  font-size: 1.3rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin: 0;
  font-family: "Italiana", "Noto Serif JP", serif;
}

.card-sub {
  color: var(--muted);
  margin: 10px 0 24px;
}

.card-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}

.metric {
  font-size: 1.4rem;
  margin: 0 0 4px;
}

.label {
  font-size: 0.75rem;
  color: var(--muted);
  margin: 0;
}

.note {
  margin-top: 22px;
  font-size: 0.75rem;
  color: var(--muted);
}

.hero-wave {
  position: absolute;
  left: -10%;
  right: -10%;
  bottom: 0;
  height: 140px;
  background: linear-gradient(180deg, transparent, rgba(201, 179, 226, 0.22));
  border-top-left-radius: 100% 100%;
  border-top-right-radius: 100% 100%;
  animation: wave 8s ease-in-out infinite;
}

.section {
  padding: 90px 0;
}

.section.alt {
  background: var(--bg-alt);
}

.section-head {
  margin-bottom: 40px;
}

.section h2 {
  font-family: "Italiana", "Noto Serif JP", serif;
  letter-spacing: 0.04em;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.3em;
  font-size: 0.75rem;
  color: var(--accent-dark);
}

.concept-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.concept-card {
  background: var(--white);
  padding: 26px;
  border-radius: 22px;
  box-shadow: 0 16px 34px rgba(72, 56, 110, 0.08);
}

.benefit-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

.benefit-item {
  background: var(--white);
  border-radius: 18px;
  padding: 22px;
  border: 1px solid rgba(190, 168, 216, 0.25);
}

.benefit-item .num {
  font-size: 1.4rem;
  color: var(--accent-dark);
  margin: 0 0 8px;
  font-family: "Italiana", "Noto Serif JP", serif;
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.step {
  background: var(--white);
  border-radius: 18px;
  padding: 22px;
  border: 1px solid rgba(190, 168, 216, 0.25);
}

.step span {
  display: inline-block;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(216, 193, 236, 0.3);
  text-align: center;
  line-height: 36px;
  color: var(--accent-dark);
  font-size: 0.9rem;
  margin-bottom: 12px;
}

.voices {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.voice {
  background: var(--white);
  padding: 26px;
  border-radius: 20px;
  box-shadow: 0 18px 36px rgba(72, 56, 110, 0.1);
}

.faq {
  display: grid;
  gap: 14px;
}

.faq-item {
  background: var(--white);
  border-radius: 16px;
  padding: 18px 22px;
  border: 1px solid rgba(190, 168, 216, 0.3);
}

.faq-q {
  width: 100%;
  background: none;
  border: none;
  font-size: 1rem;
  font-family: inherit;
  text-align: left;
  padding: 8px 0;
  cursor: pointer;
  position: relative;
}

.faq-q::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 0;
  font-size: 1.2rem;
  color: var(--accent-dark);
}

.faq-item.open .faq-q::after {
  content: "−";
}

.faq-a {
  display: none;
  padding-top: 6px;
  color: var(--muted);
}

.cta {
  padding: 90px 0;
  background: linear-gradient(120deg, rgba(216, 193, 236, 0.5), rgba(155, 125, 187, 0.25));
}

.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  background: var(--white);
  padding: 36px;
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.site-footer {
  padding: 40px 0 60px;
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
}

.bg-orbs span {
  position: fixed;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  filter: blur(20px);
  opacity: 0.35;
  z-index: -1;
  animation: float 10s ease-in-out infinite;
}

.bg-orbs span:nth-child(1) {
  background: #d8c6e8;
  top: -80px;
  left: -60px;
}

.bg-orbs span:nth-child(2) {
  background: #cbb3e2;
  bottom: 10%;
  right: -80px;
  animation-delay: 2s;
}

.bg-orbs span:nth-child(3) {
  background: #bca0d8;
  top: 40%;
  left: 60%;
  animation-delay: 4s;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0) translateX(0);
  }
  50% {
    transform: translateY(-16px) translateX(10px);
  }
}

@keyframes wave {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(8px);
  }
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 960px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

  .nav {
    display: none;
  }

  .benefit-list,
  .concept-grid,
  .steps,
  .voices {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 640px) {
  .site-header .container {
    flex-direction: column;
    gap: 12px;
  }

  .benefit-list,
  .concept-grid,
  .steps,
  .voices {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 90px;
  }
}