/* ===== LANDING PAGE - Talking Plants ===== */
@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,300;0,9..144,400;0,9..144,600;0,9..144,700;0,9..144,900;1,9..144,400;1,9..144,600&display=swap');

/* Landing-specific overrides */
.landing-page {
    --lp-font: 'Fraunces', var(--font-display);
    min-height: 100vh;
    overflow-x: hidden;
    background: var(--color-surface);
}

/* ===== TOP NAV ===== */
.landing-nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    display: flex; align-items: center; justify-content: space-between;
    padding: var(--space-4) var(--space-6);
    transition: background var(--duration-normal), box-shadow var(--duration-normal);
}
.landing-nav.scrolled {
    background: color-mix(in srgb, var(--color-surface) 85%, transparent);
    backdrop-filter: blur(20px) saturate(1.8);
    -webkit-backdrop-filter: blur(20px) saturate(1.8);
    box-shadow: var(--shadow-sm);
}
.landing-nav-brand {
    display: flex; align-items: center; gap: var(--space-3);
    font-family: var(--lp-font); font-weight: 700; font-size: 1.25rem;
    color: var(--color-on-surface); text-decoration: none;
}
.landing-nav-brand svg { width: 36px; height: 36px; color: var(--color-primary); }
.landing-nav-actions { display: flex; align-items: center; gap: var(--space-3); }
.nav-link-desktop {
    display: none;
    color: var(--color-on-surface-muted) !important; font-size: 0.875rem;
    font-weight: 500; text-decoration: none; margin-right: var(--space-3);
    transition: color var(--duration-fast);
}
.nav-link-desktop:hover { color: var(--color-primary) !important; }
@media (min-width: 769px) {
    .nav-link-desktop { display: inline; }
}
.landing-nav .btn-login {
    padding: 10px 28px; border-radius: var(--radius-full);
    background: var(--color-primary); color: var(--color-on-primary);
    font-family: var(--font-body); font-weight: 600; font-size: 0.875rem;
    border: none; cursor: pointer; text-decoration: none;
    transition: all var(--duration-normal) var(--ease-smooth);
    box-shadow: var(--shadow-sm);
}
.landing-nav .btn-login:hover {
    background: var(--color-primary-light);
    transform: translateY(-1px); box-shadow: var(--shadow-md);
}

/* ===== HERO ===== */
.hero {
    min-height: 100vh; display: flex; align-items: center;
    position: relative; overflow: hidden;
    padding: calc(var(--navbar-h) + var(--space-8)) var(--space-6) var(--space-8);
}

/* Animated gradient background */
.hero::before {
    content: ''; position: absolute; inset: 0;
    background:
        radial-gradient(ellipse 80% 60% at 15% 70%, color-mix(in srgb, var(--color-primary) 12%, transparent) 0%, transparent 70%),
        radial-gradient(ellipse 60% 50% at 85% 30%, color-mix(in srgb, var(--color-accent) 8%, transparent) 0%, transparent 70%),
        radial-gradient(ellipse 70% 40% at 50% 90%, color-mix(in srgb, var(--color-primary-lighter) 10%, transparent) 0%, transparent 60%);
    animation: heroGlow 12s ease-in-out infinite alternate;
}

@keyframes heroGlow {
    0% { opacity: 0.7; transform: scale(1); }
    100% { opacity: 1; transform: scale(1.05); }
}

/* Floating botanical shapes */
.hero-shape {
    position: absolute; border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
    background: var(--color-primary); pointer-events: none;
}
.hero-shape-1 {
    width: 400px; height: 400px; top: -80px; right: -60px; opacity: 0.03;
    animation: floatShape1 20s ease-in-out infinite;
}
.hero-shape-2 {
    width: 250px; height: 250px; bottom: 10%; left: -40px; opacity: 0.04;
    border-radius: 40% 60% 70% 30% / 50% 40% 60% 50%;
    animation: floatShape2 16s ease-in-out infinite;
}
.hero-shape-3 {
    width: 150px; height: 150px; top: 30%; right: 20%; opacity: 0.025;
    border-radius: 50% 50% 30% 70% / 60% 40% 60% 40%;
    animation: floatShape3 14s ease-in-out infinite;
}

@keyframes floatShape1 {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(-20px, 30px) rotate(5deg); }
    66% { transform: translate(10px, -20px) rotate(-3deg); }
}
@keyframes floatShape2 {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    50% { transform: translate(30px, -20px) rotate(8deg); }
}
@keyframes floatShape3 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(-15px, 15px) scale(1.1); }
}

.hero-content {
    max-width: 1200px; margin: 0 auto; width: 100%;
    display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-8);
    align-items: center; position: relative; z-index: 1;
}

.hero-text { animation: slideUp 0.8s var(--ease-out) both; }

.hero-badge {
    display: inline-flex; align-items: center; gap: var(--space-2);
    padding: 6px 16px; border-radius: var(--radius-full);
    background: var(--color-primary-surface); color: var(--color-primary);
    font-size: 0.8125rem; font-weight: 600; margin-bottom: var(--space-5);
    border: 1px solid color-mix(in srgb, var(--color-primary) 20%, transparent);
}
.hero-badge-dot {
    width: 8px; height: 8px; border-radius: 50%;
    background: var(--color-primary); animation: pulse 2s ease-in-out infinite;
}

.hero h1 {
    font-family: var(--lp-font); font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 900; line-height: 1.05; letter-spacing: -0.03em;
    color: var(--color-on-surface); margin-bottom: var(--space-5);
}
.hero h1 em {
    font-style: italic; color: var(--color-primary);
    text-decoration: underline;
    text-decoration-color: color-mix(in srgb, var(--color-primary) 30%, transparent);
    text-underline-offset: 6px; text-decoration-thickness: 3px;
}

.hero-subtitle {
    font-size: 1.1875rem; line-height: 1.65; color: var(--color-on-surface-muted);
    max-width: 480px; margin-bottom: var(--space-7);
}

.hero-cta { display: flex; gap: var(--space-4); flex-wrap: wrap; align-items: center; }

.btn-hero-primary {
    display: inline-flex; align-items: center; gap: var(--space-2);
    padding: 16px 36px; border-radius: var(--radius-full);
    background: var(--color-primary); color: var(--color-on-primary);
    font-family: var(--font-body); font-weight: 700; font-size: 1rem;
    border: none; cursor: pointer; text-decoration: none;
    transition: all var(--duration-normal) var(--ease-smooth);
    box-shadow: 0 4px 20px color-mix(in srgb, var(--color-primary) 35%, transparent);
}
.btn-hero-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px color-mix(in srgb, var(--color-primary) 45%, transparent);
    background: var(--color-primary-light); color: var(--color-on-primary);
}
.btn-hero-secondary {
    display: inline-flex; align-items: center; gap: var(--space-2);
    padding: 16px 32px; border-radius: var(--radius-full);
    background: transparent; color: var(--color-on-surface);
    font-family: var(--font-body); font-weight: 600; font-size: 1rem;
    border: 2px solid var(--color-outline); cursor: pointer; text-decoration: none;
    transition: all var(--duration-normal) var(--ease-smooth);
}
.btn-hero-secondary:hover {
    border-color: var(--color-primary); color: var(--color-primary);
    transform: translateY(-1px);
}

/* Hero visual - chat mockup */
.hero-visual {
    position: relative;
    animation: slideUp 0.8s var(--ease-out) 0.2s both;
}

.hero-phone {
    width: 320px; margin: 0 auto;
    background: var(--color-surface-container);
    border-radius: 32px; padding: 12px;
    box-shadow: var(--shadow-xl), 0 0 0 1px var(--color-outline-subtle);
    position: relative;
}
.hero-phone-inner {
    border-radius: 24px; overflow: hidden;
    background: var(--color-surface);
    border: 1px solid var(--color-outline-subtle);
}
.hero-phone-header {
    background: var(--color-surface-container-high);
    padding: 16px 20px;
    display: flex; align-items: center; gap: 12px;
    border-bottom: 1px solid var(--color-outline-subtle);
}
.hero-phone-avatar {
    width: 36px; height: 36px; border-radius: 50%;
    background: var(--color-primary-surface);
    display: flex; align-items: center; justify-content: center;
    font-size: 18px;
}
.hero-phone-name {
    font-weight: 600; font-size: 0.9375rem; color: var(--color-on-surface);
}
.hero-phone-status { font-size: 0.75rem; color: var(--color-primary); }
.hero-phone-messages { padding: 16px; display: flex; flex-direction: column; gap: 12px; min-height: 280px; }

.hero-msg {
    padding: 10px 14px; border-radius: 16px; font-size: 0.875rem;
    line-height: 1.5; max-width: 85%; animation: msgAppear 0.5s var(--ease-spring) both;
}
.hero-msg-plant {
    align-self: flex-start;
    background: var(--color-primary-surface); color: var(--color-on-primary-surface);
    border-bottom-left-radius: 4px;
}
.hero-msg-user {
    align-self: flex-end;
    background: var(--color-surface-container-high); color: var(--color-on-surface);
    border-bottom-right-radius: 4px;
}
.hero-msg:nth-child(1) { animation-delay: 0.6s; }
.hero-msg:nth-child(2) { animation-delay: 1.2s; }
.hero-msg:nth-child(3) { animation-delay: 1.8s; }
.hero-msg:nth-child(4) { animation-delay: 2.4s; }

@keyframes msgAppear {
    from { opacity: 0; transform: translateY(12px) scale(0.95); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

/* Floating emoji badges around the phone */
.hero-float {
    position: absolute; padding: 10px 16px;
    background: var(--color-surface-container);
    border-radius: var(--radius-lg); box-shadow: var(--shadow-md);
    font-size: 0.8125rem; font-weight: 600; color: var(--color-on-surface);
    display: flex; align-items: center; gap: 8px;
    border: 1px solid var(--color-outline-subtle);
    white-space: nowrap;
}
.hero-float-1 {
    top: 15%; left: -30px;
    animation: floatBadge 6s ease-in-out infinite, slideUp 0.8s var(--ease-out) 1s both;
}
.hero-float-2 {
    bottom: 25%; right: -20px;
    animation: floatBadge 7s ease-in-out 1s infinite, slideUp 0.8s var(--ease-out) 1.3s both;
}
.hero-float-3 {
    top: 55%; left: -50px;
    animation: floatBadge 5s ease-in-out 0.5s infinite, slideUp 0.8s var(--ease-out) 1.6s both;
}

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

/* ===== FEATURES SECTION ===== */
.section { padding: var(--space-9) var(--space-6); position: relative; }

.section-header {
    text-align: center; max-width: 600px; margin: 0 auto var(--space-8);
}
.section-label {
    font-size: 0.75rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
    color: var(--color-primary); margin-bottom: var(--space-3);
}
.section-title {
    font-family: var(--lp-font); font-size: clamp(1.75rem, 3.5vw, 2.5rem);
    font-weight: 700; line-height: 1.15; letter-spacing: -0.02em;
    margin-bottom: var(--space-4);
}
.section-subtitle {
    font-size: 1.0625rem; color: var(--color-on-surface-muted); line-height: 1.6;
}

.features-grid {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-5);
    max-width: 1100px; margin: 0 auto;
}

.feature-card {
    padding: var(--space-6); border-radius: var(--radius-xl);
    background: var(--color-surface-container);
    border: 1px solid var(--color-outline-subtle);
    transition: all var(--duration-normal) var(--ease-smooth);
    position: relative; overflow: hidden;
}
.feature-card:hover {
    transform: translateY(-4px); box-shadow: var(--shadow-lg);
    border-color: color-mix(in srgb, var(--color-primary) 30%, transparent);
}
.feature-card::after {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-lighter));
    opacity: 0; transition: opacity var(--duration-normal);
}
.feature-card:hover::after { opacity: 1; }

.feature-icon {
    width: 56px; height: 56px; border-radius: var(--radius-md);
    display: flex; align-items: center; justify-content: center;
    margin-bottom: var(--space-4); font-size: 1.75rem;
}
.feature-icon-green { background: var(--color-primary-surface); }
.feature-icon-pink { background: var(--color-accent-surface); }
.feature-icon-amber { background: var(--color-secondary-surface); }
.feature-icon-blue { background: color-mix(in srgb, var(--tp-water-400) 15%, var(--color-surface)); }

.feature-title {
    font-family: var(--lp-font); font-size: 1.25rem; font-weight: 700;
    margin-bottom: var(--space-2); letter-spacing: -0.01em;
}
.feature-desc {
    font-size: 0.9375rem; color: var(--color-on-surface-muted); line-height: 1.6;
}

/* ===== HOW IT WORKS ===== */
.how-it-works {
    background: var(--color-surface-dim);
    border-top: 1px solid var(--color-outline-subtle);
    border-bottom: 1px solid var(--color-outline-subtle);
}

.steps {
    display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-5);
    max-width: 1100px; margin: 0 auto; position: relative;
}
/* Connecting line */
.steps::before {
    content: ''; position: absolute;
    top: 36px; left: 10%; right: 10%; height: 2px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-lighter), var(--color-accent), var(--color-secondary));
    opacity: 0.2;
}

.step {
    text-align: center; position: relative; z-index: 1;
}
.step-number {
    width: 72px; height: 72px; border-radius: 50%;
    background: var(--color-surface);
    border: 2px solid var(--color-primary);
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto var(--space-4);
    font-family: var(--lp-font); font-size: 1.5rem; font-weight: 700;
    color: var(--color-primary);
    box-shadow: 0 0 0 6px var(--color-surface-dim);
    transition: all var(--duration-normal);
}
.step:hover .step-number {
    background: var(--color-primary); color: var(--color-on-primary);
    box-shadow: 0 0 0 6px var(--color-surface-dim), 0 4px 20px color-mix(in srgb, var(--color-primary) 30%, transparent);
}
.step-title {
    font-family: var(--lp-font); font-size: 1.125rem; font-weight: 700;
    margin-bottom: var(--space-2);
}
.step-desc { font-size: 0.875rem; color: var(--color-on-surface-muted); line-height: 1.5; }

/* ===== CHARACTERS SHOWCASE ===== */
.characters-showcase {
    display: grid; grid-template-columns: repeat(5, 1fr); gap: var(--space-4);
    max-width: 1100px; margin: 0 auto;
}
.char-preview {
    padding: var(--space-5); border-radius: var(--radius-xl);
    background: var(--color-surface-container); text-align: center;
    border: 1px solid var(--color-outline-subtle);
    transition: all var(--duration-normal) var(--ease-smooth);
}
.char-preview:hover {
    transform: translateY(-6px) scale(1.02);
    box-shadow: var(--shadow-lg);
}
.char-emoji { font-size: 2.5rem; margin-bottom: var(--space-3); display: block; }
.char-name {
    font-family: var(--lp-font); font-weight: 700; font-size: 1rem;
    margin-bottom: var(--space-2);
}
.char-tagline {
    font-size: 0.8125rem; color: var(--color-on-surface-muted);
    font-style: italic; line-height: 1.4;
}

/* ===== TESTIMONIAL / QUOTE ===== */
.quote-section {
    background: linear-gradient(135deg, var(--color-primary-surface) 0%, var(--color-surface) 100%);
    border-top: 1px solid color-mix(in srgb, var(--color-primary) 15%, transparent);
    border-bottom: 1px solid color-mix(in srgb, var(--color-primary) 15%, transparent);
}
.quote-content {
    max-width: 700px; margin: 0 auto; text-align: center;
}
.quote-text {
    font-family: var(--lp-font); font-size: clamp(1.25rem, 2.5vw, 1.75rem);
    font-weight: 400; font-style: italic; line-height: 1.5;
    color: var(--color-on-surface);
}
.quote-text::before { content: '\201E'; font-size: 3rem; color: var(--color-primary); line-height: 0; vertical-align: -0.4em; margin-right: 4px; }
.quote-text::after { content: '\201C'; font-size: 3rem; color: var(--color-primary); line-height: 0; vertical-align: -0.4em; margin-left: 4px; }
.quote-attr {
    margin-top: var(--space-5); font-size: 0.875rem;
    color: var(--color-on-surface-muted); font-weight: 500;
}

/* ===== CTA SECTION ===== */
.cta-section {
    text-align: center;
    background: var(--color-surface);
}
.cta-section .section-title {
    margin-bottom: var(--space-4);
}
.cta-section .section-subtitle {
    margin-bottom: var(--space-7);
}

/* ===== CONVERSATION EXAMPLES ===== */
.convo-grid {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-5);
    max-width: 1100px; margin: 0 auto;
}
.convo-card {
    background: var(--color-surface-container);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-outline-subtle);
    overflow: hidden;
    transition: all var(--duration-normal) var(--ease-smooth);
}
.convo-card:hover {
    transform: translateY(-4px); box-shadow: var(--shadow-lg);
}
.convo-header {
    display: flex; align-items: center; gap: var(--space-3);
    padding: var(--space-4) var(--space-5);
    background: var(--color-surface-container-high);
    border-bottom: 1px solid var(--color-outline-subtle);
}
.convo-msgs { padding: var(--space-4); display: flex; flex-direction: column; gap: var(--space-3); }
.convo-bubble {
    padding: 10px 14px; border-radius: 16px;
    font-size: 0.875rem; line-height: 1.5; max-width: 90%;
}
.convo-plant {
    align-self: flex-start;
    background: var(--color-primary-surface); color: var(--color-on-primary-surface);
    border-bottom-left-radius: 4px;
}
.convo-user {
    align-self: flex-end;
    background: var(--color-surface-container-high); color: var(--color-on-surface);
    border-bottom-right-radius: 4px;
}

@media (max-width: 1024px) { .convo-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 768px) { .convo-grid { grid-template-columns: 1fr; } }

/* ===== STATS ROW ===== */
.stats-row {
    display: flex; justify-content: center; gap: var(--space-8);
    max-width: 900px; margin: 0 auto; flex-wrap: wrap;
}
.stat-item { text-align: center; min-width: 140px; }
.stat-number {
    font-family: var(--lp-font); font-size: 2.5rem; font-weight: 900;
    color: var(--color-primary); line-height: 1.1; margin-bottom: var(--space-2);
}
.stat-label {
    font-size: 0.875rem; color: var(--color-on-surface-muted); font-weight: 500;
}

/* ===== FOOTER ===== */
.landing-footer {
    text-align: center; padding: var(--space-6);
    border-top: 1px solid var(--color-outline-subtle);
    color: var(--color-on-surface-faint); font-size: 0.8125rem;
}
.landing-footer a { color: var(--color-primary); }

/* ===== LOGIN MODAL ===== */
.login-modal-backdrop {
    position: fixed; inset: 0; z-index: 1000;
    background: rgba(0,0,0,0.5); backdrop-filter: blur(8px);
    display: flex; align-items: center; justify-content: center;
    animation: fadeIn 0.2s ease-out;
}
.login-modal-backdrop[hidden] { display: none; }

.login-modal {
    width: 100%; max-width: 420px; margin: var(--space-4);
    background: var(--color-surface-container);
    border-radius: var(--radius-2xl); padding: var(--space-7) var(--space-6);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--color-outline-subtle);
    animation: scaleIn 0.3s var(--ease-spring);
    position: relative;
}
.login-modal-close {
    position: absolute; top: var(--space-4); right: var(--space-4);
    background: none; border: none; cursor: pointer;
    color: var(--color-on-surface-muted); padding: 8px;
    border-radius: 50%; transition: background var(--duration-fast);
}
.login-modal-close:hover { background: var(--color-surface-container-high); }
.login-modal-close svg { width: 24px; height: 24px; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .characters-showcase { grid-template-columns: repeat(3, 1fr); }
    .steps { grid-template-columns: repeat(2, 1fr); gap: var(--space-6); }
    .steps::before { display: none; }
}

@media (max-width: 768px) {
    .hero-content { grid-template-columns: 1fr; text-align: center; }
    .hero-subtitle { margin-left: auto; margin-right: auto; }
    .hero-cta { justify-content: center; }
    .hero-visual { order: -1; }
    .hero-phone { width: 280px; }
    .hero-float-1 { left: 5px; }
    .hero-float-3 { left: 0; }
    .features-grid { grid-template-columns: 1fr; }
    .characters-showcase { grid-template-columns: repeat(2, 1fr); }
    .char-preview:nth-child(5) { display: none; }
    .steps { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
    .hero { padding-top: calc(var(--navbar-h) + var(--space-4)); }
    .hero h1 { font-size: 2.25rem; }
    .hero-phone { width: 260px; }
    .hero-float { display: none; }
    .characters-showcase { grid-template-columns: 1fr; }
    .steps { grid-template-columns: 1fr; }
    .landing-nav { padding: var(--space-3) var(--space-4); }
}

/* Scroll-triggered animations */
.reveal {
    opacity: 0; transform: translateY(30px);
    transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}
.reveal.visible {
    opacity: 1; transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* ===== WAITLIST BUTTON (Hero) ===== */
.btn-hero-waitlist {
    background: transparent;
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: 14px 28px;
    border-radius: var(--radius-full);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--duration-normal) var(--ease-smooth);
}
.btn-hero-waitlist:hover {
    background: var(--color-primary);
    color: var(--color-on-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ===== LOGIN MODAL: Divider & Waitlist Link ===== */
.login-divider {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin: var(--space-4) 0 var(--space-3);
    color: var(--color-on-surface-faint);
    font-size: 0.8125rem;
}
.login-divider::before,
.login-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--color-outline-subtle);
}

.btn-waitlist-link {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: 12px var(--space-4);
    border-radius: var(--radius-md);
    border: 1.5px solid var(--color-outline);
    background: transparent;
    color: var(--color-on-surface-muted);
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    text-align: center;
    transition: all var(--duration-fast) var(--ease-smooth);
}
.btn-waitlist-link:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: var(--color-primary-surface);
}