/* ===========================
   根语 RootWhisper — 设计系统
   方向：日式侘寂 (Wabi-sabi)
   配色：森林绿 + 陶土棕 + 米白留白
   =========================== */

:root {
    --forest: #2A3B2D;
    --forest-deep: #1A2B1D;
    --forest-light: #3D5A40;
    --moss: #5A7A5E;
    --sage: #8BA890;
    --clay: #B07840;
    --clay-light: #C4935A;
    --terracotta: #A8684C;
    --sand: #E8DFD0;
    --sand-light: #F2EDE5;
    --cream: #F8F5EE;
    --warm-white: #FDFCF8;
    --stone: #6B6158;
    --stone-light: #9A8E82;
    --text: #2B2420;
    --text-muted: #7A6E62;
    --border: #E0D8CC;
    --border-light: #EDE7DC;

    --font-display: 'Cormorant Garamond', 'Noto Serif SC', serif;
    --font-body: 'Noto Sans SC', 'Noto Serif SC', sans-serif;

    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --shadow-sm: 0 2px 8px rgba(42, 59, 45, 0.06);
    --shadow-md: 0 8px 30px rgba(42, 59, 45, 0.1);
    --shadow-lg: 0 20px 60px rgba(42, 59, 45, 0.12);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }

body {
    font-family: var(--font-body);
    color: var(--text);
    background: var(--cream);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 500;
    line-height: 1.15;
    color: var(--forest-deep);
    letter-spacing: -0.01em;
}
h1 { font-size: clamp(2.5rem, 5.5vw, 4.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3.2rem); }
h3 { font-size: 1.15rem; }

.eyebrow {
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--clay);
    margin-bottom: 0.75rem;
}
.eyebrow.light { color: var(--clay-light); }

.section-header-center {
    text-align: center;
    max-width: 560px;
    margin: 0 auto 3.5rem;
}
.section-header-center h2 { margin-top: 0.5rem; margin-bottom: 1rem; }
.section-lead {
    color: var(--text-muted);
    font-size: 1.05rem;
    line-height: 1.8;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.6rem;
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    border: none;
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    white-space: nowrap;
}
.btn-primary {
    background: var(--forest);
    color: var(--cream);
    box-shadow: 0 4px 16px rgba(42, 59, 45, 0.25);
}
.btn-primary:hover {
    background: var(--forest-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(42, 59, 45, 0.3);
}
.btn-ghost {
    background: transparent;
    color: var(--warm-white);
    border: 1.5px solid rgba(253, 252, 248, 0.4);
}
.btn-ghost:hover {
    background: rgba(253, 252, 248, 0.1);
    border-color: var(--warm-white);
}
.btn-outline-light {
    background: transparent;
    color: var(--warm-white);
    border: 1.5px solid rgba(253, 252, 248, 0.3);
}
.btn-outline-light:hover {
    background: rgba(253, 252, 248, 0.08);
    border-color: rgba(253, 252, 248, 0.6);
}
.btn-full { width: 100%; justify-content: center; }
.btn-icon {
    display: flex; align-items: center; justify-content: center;
    width: 36px; height: 36px; border-radius: 50%;
    background: var(--sand-light); border: none; cursor: pointer;
    font-size: 1rem; color: var(--moss); transition: all 0.3s;
}
.btn-icon:hover { background: var(--forest); color: var(--cream); }

/* Nav */
.navbar {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    padding: 1.25rem 0; transition: all 0.4s ease;
}
.navbar.scrolled {
    background: rgba(248, 245, 238, 0.92);
    backdrop-filter: blur(12px);
    box-shadow: var(--shadow-sm);
    padding: 0.75rem 0;
}
.nav-container {
    max-width: 1280px; margin: 0 auto; padding: 0 2rem;
    display: flex; align-items: center; justify-content: space-between;
}
.nav-logo {
    display: flex; align-items: center; gap: 0.5rem;
}
.nav-logo i { font-size: 1.4rem; color: var(--forest); }
.logo-cn {
    font-family: var(--font-display); font-size: 1.4rem;
    font-weight: 600; color: var(--forest-deep);
}
.logo-en {
    font-size: 0.7rem; font-weight: 300; color: var(--stone-light);
    letter-spacing: 0.1em; text-transform: uppercase;
}
.nav-links {
    display: flex; align-items: center; gap: 2rem;
}
.nav-links a {
    font-size: 0.88rem; font-weight: 400; color: var(--stone);
    transition: color 0.3s; position: relative;
}
.nav-links a:hover { color: var(--forest); }
.nav-links a:not(.nav-cta)::after {
    content: ''; position: absolute; bottom: -4px; left: 0;
    width: 0; height: 1.5px; background: var(--forest);
    transition: width 0.3s;
}
.nav-links a:not(.nav-cta):hover::after { width: 100%; }
.nav-cta {
    background: var(--forest); color: var(--cream) !important;
    padding: 0.55rem 1.2rem; border-radius: var(--radius-sm);
}
.nav-cta:hover { background: var(--forest-light); }
.nav-toggle { display: none; background: none; border: none; font-size: 1.5rem; color: var(--forest); cursor: pointer; }

/* Hero */
.hero {
    position: relative; min-height: 100vh;
    display: flex; align-items: center;
    overflow: hidden;
}
.hero-image-wrap {
    position: absolute; inset: 0;
}
.hero-img {
    width: 100%; height: 100%; object-fit: cover;
}
.hero-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(135deg,
        rgba(26, 43, 29, 0.88) 0%,
        rgba(42, 59, 45, 0.72) 40%,
        rgba(42, 59, 45, 0.35) 100%
    );
}
.hero-content {
    position: relative; z-index: 2;
    max-width: 1280px; margin: 0 auto;
    padding: 0 4rem;
}
.hero-tag {
    display: inline-block;
    font-size: 0.8rem; font-weight: 400;
    color: var(--sage); letter-spacing: 0.12em;
    margin-bottom: 1.5rem;
    padding: 0.35rem 1rem;
    border: 1px solid rgba(139, 168, 144, 0.3);
    border-radius: 100px;
}
.hero h1 {
    color: var(--warm-white);
    margin-bottom: 1.25rem;
    animation: fadeUp 0.8s ease;
}
.hero h1 em {
    font-style: italic;
    font-weight: 300;
    color: var(--sage);
}
.hero-sub {
    font-size: 1.05rem; color: rgba(253, 252, 248, 0.65);
    max-width: 520px; line-height: 1.9;
    margin-bottom: 2rem;
    animation: fadeUp 0.8s ease 0.15s both;
}
.hero-cta {
    display: flex; gap: 1rem;
    animation: fadeUp 0.8s ease 0.3s both;
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Philosophy */
.philosophy {
    padding: 7rem 2rem;
    background: var(--warm-white);
}
.values-grid {
    max-width: 1100px; margin: 0 auto;
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem;
}
.value-card {
    padding: 2.5rem 2rem;
    background: var(--cream);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    transition: all 0.4s;
}
.value-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
}
.value-icon {
    width: 52px; height: 52px;
    display: flex; align-items: center; justify-content: center;
    background: rgba(42, 59, 45, 0.08);
    border-radius: var(--radius-sm);
    margin-bottom: 1.25rem;
}
.value-icon i { font-size: 1.6rem; color: var(--forest); }
.value-card h3 {
    font-family: var(--font-display);
    font-size: 1.4rem; margin-bottom: 0.75rem;
}
.value-card p { font-size: 0.9rem; color: var(--text-muted); line-height: 1.75; }

/* Collection */
.collection {
    padding: 7rem 2rem;
    background: var(--sand-light);
}
.collection-header {
    max-width: 1280px; margin: 0 auto 3.5rem;
    display: grid; grid-template-columns: 1fr 1fr; gap: 4rem;
    align-items: end;
}
.collection-header .header-right p {
    font-size: 1rem; color: var(--text-muted); line-height: 1.85;
}

.plant-grid {
    max-width: 1280px; margin: 0 auto;
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem;
}
.plant-card {
    background: var(--warm-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border-light);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.plant-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}
.plant-img-box {
    position: relative; aspect-ratio: 4/3; overflow: hidden;
    background: var(--sand);
}
.plant-img-box img {
    width: 100%; height: 100%; object-fit: cover;
    transition: transform 0.6s;
}
.plant-card:hover .plant-img-box img { transform: scale(1.06); }
.plant-badge {
    position: absolute; top: 0.75rem; left: 0.75rem;
    background: var(--forest-deep); color: var(--sage);
    padding: 0.25rem 0.7rem; border-radius: 100px;
    font-size: 0.7rem; font-weight: 500;
    letter-spacing: 0.05em;
}
.plant-info { padding: 1.5rem; }
.plant-info h3 {
    font-family: var(--font-display); font-size: 1.2rem;
    margin-bottom: 0.5rem;
}
.plant-info p { font-size: 0.82rem; color: var(--text-muted); margin-bottom: 1rem; }
.plant-footer {
    display: flex; align-items: center; justify-content: space-between;
}
.price {
    font-family: var(--font-display); font-size: 1.2rem;
    font-weight: 600; color: var(--clay);
}

/* Care */
.care {
    background: linear-gradient(180deg, var(--forest-deep) 0%, var(--forest) 100%);
    padding: 7rem 2rem; color: var(--cream);
    position: relative; overflow: hidden;
}
.care::before {
    content: ''; position: absolute; inset: 0;
    background-image: radial-gradient(circle, rgba(139, 168, 144, 0.05) 1px, transparent 1px);
    background-size: 32px 32px;
}
.care-content {
    position: relative; z-index: 1;
    text-align: center; max-width: 560px; margin: 0 auto 3.5rem;
}
.care-content h2 { color: var(--cream); margin: 0.5rem 0 1rem; }
.care-lead { color: rgba(253, 252, 248, 0.55); font-size: 1rem; line-height: 1.85; }

.seasons-timeline {
    position: relative; z-index: 1;
    max-width: 1100px; margin: 0 auto;
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem;
}
.season-card {
    background: rgba(253, 252, 248, 0.05);
    border: 1px solid rgba(253, 252, 248, 0.08);
    border-radius: var(--radius-md); padding: 2rem 1.5rem;
    backdrop-filter: blur(8px); transition: all 0.35s;
}
.season-card:hover {
    background: rgba(253, 252, 248, 0.08);
    border-color: rgba(139, 168, 144, 0.3);
}
.season-icon {
    width: 48px; height: 48px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 1.25rem; font-size: 1.3rem;
}
.season-icon.spring { background: rgba(139, 168, 144, 0.2); color: var(--sage); }
.season-icon.summer { background: rgba(196, 147, 90, 0.2); color: var(--clay-light); }
.season-icon.autumn { background: rgba(168, 104, 76, 0.2); color: var(--terracotta); }
.season-icon.winter { background: rgba(253, 252, 248, 0.12); color: rgba(253, 252, 248, 0.6); }
.season-card h3 {
    font-family: var(--font-display); font-size: 1.8rem;
    color: var(--cream); margin-bottom: 0.75rem; font-weight: 400;
}
.season-card p {
    font-size: 0.85rem; color: rgba(253, 252, 248, 0.5);
    line-height: 1.75;
}
.care-cta {
    position: relative; z-index: 1;
    text-align: center; margin-top: 3rem;
}

/* Pottery */
.pottery {
    padding: 7rem 2rem;
    background: var(--warm-white);
}
.pottery-header {
    max-width: 1100px; margin: 0 auto 3.5rem;
    text-align: center;
}
.pottery-header h2 { margin: 0.5rem 0 1rem; }
.pottery-header p { color: var(--text-muted); max-width: 520px; margin: 0 auto; font-size: 1rem; }

.pottery-grid {
    max-width: 1100px; margin: 0 auto;
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem;
}
.pottery-card {
    background: var(--cream);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    overflow: hidden; text-align: center;
    transition: all 0.35s;
}
.pottery-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}
.pottery-img {
    aspect-ratio: 1; overflow: hidden;
    background: var(--sand);
}
.pottery-img img {
    width: 100%; height: 100%; object-fit: cover;
    transition: transform 0.5s;
}
.pottery-card:hover .pottery-img img { transform: scale(1.05); }
.pottery-card h3 {
    font-family: var(--font-display); font-size: 1.15rem;
    margin: 1.25rem 1.25rem 0.5rem; text-align: left;
}
.pottery-card p {
    font-size: 0.85rem; color: var(--text-muted);
    padding: 0 1.25rem; text-align: left; margin-bottom: 0.75rem;
}
.pottery-card .price {
    padding: 0 1.25rem 1.25rem; display: block; text-align: left;
}
.pottery-note {
    max-width: 1100px; margin: 2rem auto 0;
    display: flex; align-items: center; gap: 0.75rem;
    padding: 1rem 1.5rem;
    background: var(--sand-light);
    border-radius: var(--radius-sm);
    font-size: 0.85rem; color: var(--stone);
}
.pottery-note i { font-size: 1.1rem; color: var(--clay); flex-shrink: 0; }

/* Testimonials */
.testimonials {
    padding: 7rem 2rem;
    background: var(--cream);
}
.testimonial-grid {
    max-width: 1100px; margin: 0 auto;
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem;
}
.testimonial-card {
    background: var(--warm-white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 2.25rem 1.75rem;
    position: relative; transition: all 0.35s;
}
.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}
.quote-icon { margin-bottom: 1rem; }
.quote-icon i { font-size: 2rem; color: var(--sage); opacity: 0.5; }
.testimonial-card > p {
    font-size: 0.92rem; color: var(--stone);
    line-height: 1.8; font-style: italic;
    margin-bottom: 1.25rem;
}
.testimonial-author {
    display: flex; align-items: center; gap: 0.75rem;
}
.author-avatar {
    width: 40px; height: 40px; border-radius: 50%;
    background: var(--sand-light);
    display: flex; align-items: center; justify-content: center;
    color: var(--moss); font-size: 1.1rem;
}
.testimonial-author strong {
    display: block; font-size: 0.85rem; color: var(--forest-deep);
}
.testimonial-author span { font-size: 0.75rem; color: var(--stone-light); }

/* Visit / Footer */
.visit {
    background: var(--forest-deep);
    color: var(--cream); padding: 7rem 2rem 2rem;
}
.visit-content {
    max-width: 1280px; margin: 0 auto;
    display: grid; grid-template-columns: 1fr 1fr; gap: 4rem;
    align-items: start;
}
.visit-left h2 { color: var(--cream); margin-bottom: 1rem; }
.visit-desc { color: rgba(253, 252, 248, 0.5); margin-bottom: 2.5rem; font-size: 1.05rem; }
.visit-info {
    display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem;
}
.visit-item { display: flex; align-items: flex-start; gap: 0.75rem; }
.visit-item i { font-size: 1.2rem; color: var(--sage); flex-shrink: 0; margin-top: 3px; }
.visit-item strong {
    display: block; font-size: 0.78rem;
    color: rgba(253, 252, 248, 0.4); font-weight: 400;
    margin-bottom: 0.15rem; letter-spacing: 0.05em;
    text-transform: uppercase;
}
.visit-item p { font-size: 0.92rem; color: var(--cream); }

.visit-cta-card {
    background: rgba(253, 252, 248, 0.04);
    border: 1px solid rgba(253, 252, 248, 0.08);
    border-radius: var(--radius-lg);
    padding: 2.5rem; backdrop-filter: blur(8px);
}
.visit-cta-card h3 { color: var(--cream); margin-bottom: 0.5rem; font-size: 1.3rem; }
.visit-cta-card > p {
    color: rgba(253, 252, 248, 0.4); font-size: 0.85rem; margin-bottom: 1.5rem;
}
.booking-form { display: flex; flex-direction: column; gap: 0.75rem; }
.booking-form input,
.booking-form select {
    width: 100%; padding: 0.8rem 1rem;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(253, 252, 248, 0.1);
    background: rgba(253, 252, 248, 0.04);
    color: var(--cream);
    font-family: var(--font-body); font-size: 0.88rem;
    transition: all 0.3s;
}
.booking-form input::placeholder { color: rgba(253, 252, 248, 0.3); }
.booking-form input:focus,
.booking-form select:focus {
    outline: none; border-color: var(--sage);
    background: rgba(253, 252, 248, 0.07);
}
.booking-form select option { color: var(--text); background: var(--warm-white); }

.footer-bottom {
    max-width: 1280px; margin: 4rem auto 0;
    padding-top: 2rem;
    border-top: 1px solid rgba(253, 252, 248, 0.08);
    text-align: center;
}
.footer-bottom p { font-size: 0.82rem; color: rgba(253, 252, 248, 0.3); }

/* Responsive */
@media (max-width: 968px) {
    .collection-header,
    .visit-content { grid-template-columns: 1fr; gap: 2rem; }
    .plant-grid, .testimonial-grid, .pottery-grid { grid-template-columns: 1fr 1fr; }
    .seasons-timeline { grid-template-columns: 1fr 1fr; }
    .hero-content { padding: 0 2rem; }
    .nav-links {
        display: none; position: absolute;
        top: 100%; left: 0; right: 0;
        background: var(--cream);
        flex-direction: column; padding: 1.5rem 2rem;
        gap: 1.25rem; box-shadow: var(--shadow-md);
    }
    .nav-links.open { display: flex; }
    .nav-toggle { display: block; }
}
@media (max-width: 640px) {
    .philosophy, .collection, .care, .pottery, .testimonials, .visit { padding: 4rem 1.25rem; }
    .hero-content { padding: 0 1.25rem; }
    .plant-grid, .plant-grid,
    .testimonial-grid, .pottery-grid,
    .seasons-timeline, .values-grid,
    .visit-info { grid-template-columns: 1fr; }
    .hero-cta { flex-direction: column; }
    .visit-cta-card { padding: 1.75rem; }
}