/* ==========================================================================
   Datasaku Landing Page — Earthy Agritech Palette
   Primary:   #3A7D44 (forest green)
   Accent:    #5BAD66 (leaf green)
   Warm:      #8B6F47 (earthy brown)
   Dark:      #1E2A2A (deep charcoal-teal)
   Light BG:  #F7F5F0 (warm off-white)
   Card BG:   #FFFFFF
   ========================================================================== */

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
    color: #2D3436;
    background-color: #F7F5F0;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1160px;
    margin: 0 auto;
    padding: 0 24px;
}

h1, h2, h3, h4 {
    font-weight: 700;
    color: #1E2A2A;
    line-height: 1.2;
}

p {
    line-height: 1.7;
    color: #4A5568;
}

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

img, svg {
    display: block;
}

.section-title {
    text-align: center;
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    margin-bottom: 12px;
}

.section-subtitle {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 60px;
    font-size: 1.05rem;
    color: #636E72;
}

/* --- Navbar --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 9999;
    background: rgba(247, 245, 240, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    transition: box-shadow 0.3s ease;
}

.navbar.scrolled {
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    width: 40px;
    height: 40px;
}

.logo-text {
    font-size: 1.35rem;
    font-weight: 800;
    color: #1E2A2A;
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

.nav-links a {
    font-size: 0.92rem;
    font-weight: 500;
    color: #4A5568;
    transition: color 0.2s ease;
}

.nav-links a:hover {
    color: #3A7D44;
}

.nav-cta {
    background: #3A7D44;
    color: #fff !important;
    padding: 10px 22px;
    border-radius: 8px;
    font-weight: 600 !important;
    transition: background 0.2s ease, transform 0.2s ease !important;
}

.nav-cta:hover {
    background: #2E6336 !important;
    transform: translateY(-1px);
}

/* Nav right group (lang toggle + hamburger) */
.nav-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Language toggle */
.lang-toggle {
    display: flex;
    align-items: center;
    background: #E8E4DD;
    border: none;
    border-radius: 6px;
    padding: 3px;
    cursor: pointer;
    gap: 0;
    font-family: inherit;
}

.lang-toggle span {
    display: block;
    padding: 4px 10px;
    font-size: 0.78rem;
    font-weight: 600;
    color: #636E72;
    border-radius: 4px;
    transition: all 0.2s ease;
    line-height: 1;
}

.lang-toggle span.active {
    background: #3A7D44;
    color: #fff;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
}

/* Mobile nav toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: #1E2A2A;
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* --- Hero --- */
.hero {
    position: relative;
    background: linear-gradient(135deg, #1E2A2A 0%, #2D4A3E 50%, #3A7D44 100%);
    color: #fff;
    padding: 160px 0 140px;
    min-height: 520px;
    text-align: center;
    overflow: hidden;
    isolation: isolate;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 80%, rgba(91, 173, 102, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(58, 125, 68, 0.2) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: clamp(2.2rem, 5vw, 3.4rem);
    color: #fff;
    margin-bottom: 20px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 800;
}

.hero-sub {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-decoration {
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    line-height: 0;
}

.hero-decoration svg {
    width: 100%;
    height: 80px;
}

/* --- Rotating text animation --- */
.rotating-text {
    display: inline-block;
    position: relative;
    min-width: 0;
}

.rotating-text::after {
    content: '|';
    display: inline-block;
    animation: blink-cursor 0.7s step-end infinite;
    color: #5BAD66;
    font-weight: 400;
    margin-left: 2px;
}

@keyframes blink-cursor {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

/* --- CTA Button --- */
.cta-button {
    display: inline-block;
    background: #5BAD66;
    color: #fff;
    padding: 16px 36px;
    border-radius: 10px;
    font-size: 1.05rem;
    font-weight: 700;
    transition: all 0.25s ease;
    box-shadow: 0 4px 14px rgba(58, 125, 68, 0.3);
}

.cta-button:hover {
    background: #4A9B55;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(58, 125, 68, 0.4);
}

.cta-button--dark {
    background: #fff;
    color: #3A7D44;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
}

.cta-button--dark:hover {
    background: #F7F5F0;
    color: #2E6336;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

/* --- Business Case Section --- */
.business-case {
    padding: 100px 0;
    background: #fff;
}

.grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
}

.card {
    background: #fff;
    padding: 36px 32px;
    border-radius: 14px;
    border: 1px solid #E8E4DD;
    transition: all 0.3s ease;
    position: relative;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #3A7D44, #5BAD66);
    border-radius: 14px 14px 0 0;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.card:hover {
    border-color: #5BAD66;
    box-shadow: 0 8px 30px rgba(58, 125, 68, 0.1);
    transform: translateY(-3px);
}

.card:hover::before {
    opacity: 1;
}

.card-icon {
    width: 44px;
    height: 44px;
    margin-bottom: 18px;
    color: #3A7D44;
}

.card-icon svg {
    width: 100%;
    height: 100%;
}

.card h3 {
    font-size: 1.15rem;
    margin-bottom: 10px;
    font-weight: 700;
}

.card p {
    font-size: 0.95rem;
    color: #636E72;
}

.card-full-width {
    grid-column: 1 / -1;
}

/* --- Use Cases Section --- */
.use-cases {
    padding: 100px 0;
    background: #fff;
}

.uc-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.uc-card {
    background: #fff;
    padding: 28px 24px;
    border-radius: 14px;
    border: 1px solid #E8E4DD;
    transition: all 0.3s ease;
    position: relative;
}

.uc-card:hover {
    border-color: #5BAD66;
    box-shadow: 0 8px 30px rgba(58, 125, 68, 0.1);
    transform: translateY(-3px);
}

.uc-card-badge {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 4px 10px;
    border-radius: 20px;
    margin-bottom: 16px;
}

.uc-badge-ai {
    background: rgba(58, 125, 68, 0.1);
    color: #3A7D44;
}

.uc-badge-ops {
    background: rgba(139, 111, 71, 0.1);
    color: #8B6F47;
}

.uc-card-icon {
    width: 40px;
    height: 40px;
    margin-bottom: 14px;
    color: #3A7D44;
}

.uc-card-icon svg {
    width: 100%;
    height: 100%;
}

.uc-card h3 {
    font-size: 1.05rem;
    margin-bottom: 8px;
    font-weight: 700;
}

.uc-card p {
    font-size: 0.88rem;
    color: #636E72;
    line-height: 1.6;
}

/* --- Roadmap Section --- */
.roadmap {
    padding: 100px 0;
    background: #F7F5F0;
}

.timeline {
    position: relative;
    max-width: 760px;
    margin: 0 auto;
    padding-left: 60px;
}

/* Vertical line */
.timeline::before {
    content: '';
    position: absolute;
    left: 22px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, #5BAD66, #8B6F47);
    border-radius: 2px;
}

.phase {
    position: relative;
    margin-bottom: 36px;
}

.phase:last-child {
    margin-bottom: 0;
}

/* Phase number circle */
.phase-number {
    position: absolute;
    left: -60px;
    top: 0;
    width: 44px;
    height: 44px;
    background: #3A7D44;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 0.95rem;
    z-index: 2;
    box-shadow: 0 2px 8px rgba(58, 125, 68, 0.3);
    border: 3px solid #F7F5F0;
}

.phase-content {
    background: #fff;
    padding: 28px 30px;
    border-radius: 12px;
    border: 1px solid #E8E4DD;
    display: flex;
    gap: 18px;
    align-items: flex-start;
    transition: all 0.3s ease;
}

.phase-content:hover {
    border-color: #C5D8C8;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

.phase-icon {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    color: #5BAD66;
    margin-top: 2px;
}

.phase-icon svg {
    width: 100%;
    height: 100%;
}

.phase-text {
    flex: 1;
    min-width: 0;
}

.phase-text h4 {
    font-size: 1.05rem;
    margin-bottom: 6px;
    color: #1E2A2A;
    font-weight: 700;
}

.phase-text p {
    font-size: 0.9rem;
    color: #636E72;
    margin: 0;
}

/* --- Why Choose Us --- */
.why-choose-us {
    padding: 100px 0;
    background: #fff;
}

.philosophy {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 36px;
    max-width: 1000px;
    margin: 0 auto;
}

.benefit {
    text-align: center;
    padding: 40px 28px;
    border-radius: 14px;
    border: 1px solid #E8E4DD;
    transition: all 0.3s ease;
}

.benefit:hover {
    border-color: #C5D8C8;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}

.benefit-icon {
    width: 52px;
    height: 52px;
    margin: 0 auto 20px;
    color: #3A7D44;
}

.benefit-icon svg {
    width: 100%;
    height: 100%;
}

.benefit h3 {
    font-size: 1.15rem;
    margin-bottom: 12px;
}

.benefit p {
    font-size: 0.93rem;
    color: #636E72;
}

/* --- Footer --- */
footer {
    background: #1E2A2A;
    color: #E8E4DD;
}

.footer-content {
    padding: 80px 0 40px;
}

.footer-cta {
    text-align: center;
    padding-bottom: 60px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 40px;
}

.footer-cta h2 {
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    color: #fff;
    margin-bottom: 12px;
}

.footer-cta p {
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 32px;
    font-size: 1.05rem;
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-logo .logo-icon {
    width: 32px;
    height: 32px;
}

.footer-logo span {
    font-size: 1.1rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: -0.3px;
}

.footer-links {
    display: flex;
    gap: 28px;
    list-style: none;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
    transition: color 0.2s ease;
}

.footer-links a:hover {
    color: #5BAD66;
}

.copyright {
    font-size: 0.82rem;
    color: rgba(255, 255, 255, 0.35);
}

/* --- Contact Page --- */
.contact-page {
    padding: 120px 0 80px;
    min-height: calc(100vh - 200px);
}

.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-info h1 {
    font-size: clamp(1.8rem, 3.5vw, 2.4rem);
    margin-bottom: 16px;
}

.contact-intro {
    font-size: 1.05rem;
    color: #636E72;
    margin-bottom: 40px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.contact-detail-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.contact-detail-icon {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    color: #3A7D44;
    margin-top: 2px;
}

.contact-detail-icon svg {
    width: 100%;
    height: 100%;
}

.contact-detail-item h4 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 4px;
    color: #1E2A2A;
}

.contact-link {
    color: #3A7D44 !important;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.2s ease;
}

.contact-link:hover {
    color: #2E6336 !important;
    text-decoration: underline;
}

.contact-detail-sub {
    font-size: 0.85rem;
    color: #8E9AAF;
    margin-top: 4px;
}

/* Form card */
.contact-form-card {
    background: #fff;
    border-radius: 16px;
    border: 1px solid #E8E4DD;
    padding: 40px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
}

.form-group {
    margin-bottom: 22px;
}

.form-group label {
    display: block;
    font-size: 0.88rem;
    font-weight: 600;
    color: #1E2A2A;
    margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #E8E4DD;
    border-radius: 10px;
    font-family: inherit;
    font-size: 0.95rem;
    color: #2D3436;
    background: #FAFAF8;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #B0B8C1;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: #5BAD66;
    box-shadow: 0 0 0 3px rgba(91, 173, 102, 0.12);
    background: #fff;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-submit {
    width: 100%;
    border: none;
    cursor: pointer;
    font-family: inherit;
    text-align: center;
}

.form-note {
    font-size: 0.8rem;
    color: #8E9AAF;
    text-align: center;
    margin-top: 16px;
}

.form-note strong {
    color: #636E72;
}

/* Form success */
.form-success {
    text-align: center;
    padding: 40px 20px;
}

.form-success-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
}

.form-success-icon svg {
    width: 100%;
    height: 100%;
}

.form-success h3 {
    font-size: 1.4rem;
    margin-bottom: 12px;
    color: #3A7D44;
}

.form-success p {
    color: #636E72;
    font-size: 0.95rem;
}

/* Contact footer (shorter) */
.contact-footer {
    background: #1E2A2A;
    color: #E8E4DD;
    padding: 30px 0;
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 900px) {
    .grid {
        grid-template-columns: 1fr;
    }

    .uc-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .philosophy {
        grid-template-columns: 1fr;
        max-width: 480px;
    }

    .hero {
        padding: 140px 0 120px;
    }

    .contact-layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .contact-form-card {
        padding: 28px 24px;
    }
}

@media (max-width: 600px) {
    .uc-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: rgba(247, 245, 240, 0.98);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        flex-direction: column;
        padding: 24px;
        gap: 16px;
        border-bottom: 1px solid rgba(0, 0, 0, 0.06);
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: all 0.3s ease;
    }

    .nav-links.open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }

    .nav-cta {
        text-align: center;
        width: 100%;
    }

    .hero {
        padding: 130px 0 100px;
    }

    .section-title {
        font-size: 1.6rem;
    }

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

    .timeline {
        padding-left: 50px;
    }

    .phase-number {
        left: -50px;
        width: 38px;
        height: 38px;
        font-size: 0.85rem;
    }

    .timeline::before {
        left: 18px;
    }

    .phase-content {
        padding: 22px 20px;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .footer-logo {
        justify-content: center;
    }

    .footer-links {
        justify-content: center;
    }
}

/* --- Services Page --- */
.services-page {
    padding: 80px 0 100px;
    background: #F7F5F0;
}

.svc-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
}

.svc-card {
    background: #fff;
    padding: 40px 36px;
    border-radius: 14px;
    border: 1px solid #E8E4DD;
    transition: all 0.3s ease;
    position: relative;
}

.svc-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, #3A7D44, #5BAD66);
    border-radius: 14px 14px 0 0;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.svc-card:hover {
    border-color: #5BAD66;
    box-shadow: 0 8px 30px rgba(58, 125, 68, 0.1);
    transform: translateY(-3px);
}

.svc-card:hover::before {
    opacity: 1;
}

.svc-card-entry {
    grid-column: 1 / -1;
    background: linear-gradient(135deg, #1E2A2A 0%, #2D4A3E 100%);
    border-color: transparent;
}

.svc-card-entry::before {
    display: none;
}

.svc-card-entry:hover {
    border-color: #5BAD66;
    box-shadow: 0 8px 30px rgba(58, 125, 68, 0.2);
}

.svc-badge {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 4px 12px;
    border-radius: 20px;
    margin-bottom: 20px;
}

.svc-badge-entry {
    background: rgba(91, 173, 102, 0.2);
    color: #5BAD66;
}

.svc-badge-core {
    background: rgba(58, 125, 68, 0.1);
    color: #3A7D44;
}

.svc-badge-compliance {
    background: rgba(139, 111, 71, 0.1);
    color: #8B6F47;
}

.svc-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 20px;
    color: #3A7D44;
}

.svc-card-entry .svc-icon {
    color: #5BAD66;
}

.svc-icon svg {
    width: 100%;
    height: 100%;
}

.svc-card h3 {
    font-size: 1.25rem;
    margin-bottom: 14px;
    font-weight: 700;
    color: #1E2A2A;
}

.svc-card-entry h3 {
    color: #fff;
    font-size: 1.45rem;
}

.svc-card > p {
    font-size: 0.95rem;
    color: #636E72;
    line-height: 1.75;
    margin-bottom: 20px;
}

.svc-card-entry > p {
    color: rgba(255, 255, 255, 0.72);
}

.svc-deliverable {
    font-size: 0.85rem;
    font-weight: 600;
    color: #3A7D44;
    padding-top: 18px;
    border-top: 1px solid #E8E4DD;
    margin-bottom: 0;
}

.svc-card-entry .svc-deliverable {
    color: #5BAD66;
    border-top-color: rgba(255, 255, 255, 0.12);
}

.svc-differentiator {
    margin-top: 60px;
    background: #fff;
    border-radius: 16px;
    padding: 44px 52px;
    display: flex;
    gap: 40px;
    align-items: center;
    border: 1px solid #E8E4DD;
    transition: all 0.3s ease;
}

.svc-differentiator:hover {
    border-color: #C5D8C8;
    box-shadow: 0 4px 16px rgba(0,0,0,0.05);
}

.svc-diff-icon {
    flex-shrink: 0;
    width: 52px;
    height: 52px;
    color: #3A7D44;
}

.svc-diff-icon svg {
    width: 100%;
    height: 100%;
}

.svc-differentiator h3 {
    font-size: 1.15rem;
    margin-bottom: 10px;
    color: #1E2A2A;
}

.svc-differentiator p {
    font-size: 0.95rem;
    color: #636E72;
    margin: 0;
}

@media (max-width: 900px) {
    .svc-grid {
        grid-template-columns: 1fr;
    }

    .svc-card-entry {
        grid-column: 1;
    }

    .svc-differentiator {
        flex-direction: column;
        padding: 36px 28px;
        gap: 24px;
        text-align: center;
    }
}

/* --- FAQ Section --- */
.faq-section {
    padding: 100px 0;
    background: #fff;
}

.faq-list {
    max-width: 760px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faq-item {
    border: 1px solid #E8E4DD;
    border-radius: 12px;
    overflow: hidden;
    transition: border-color 0.2s ease;
}

.faq-item:has(.faq-question[aria-expanded="true"]) {
    border-color: #5BAD66;
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 22px 28px;
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 600;
    color: #1E2A2A;
    transition: background 0.2s ease;
}

.faq-question:hover {
    background: #F7F5F0;
}

.faq-chevron {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    color: #3A7D44;
    transition: transform 0.3s ease;
}

.faq-question[aria-expanded="true"] .faq-chevron {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease, padding 0.35s ease;
    padding: 0 28px;
}

.faq-answer.open {
    max-height: 400px;
    padding: 0 28px 22px;
}

.faq-answer p {
    font-size: 0.95rem;
    color: #636E72;
    line-height: 1.75;
    margin: 0;
}

@media (max-width: 768px) {
    .faq-question {
        padding: 18px 20px;
        font-size: 0.95rem;
    }

    .faq-answer {
        padding: 0 20px;
    }

    .faq-answer.open {
        padding: 0 20px 18px;
    }
}

/* --- Animations --- */
.fade-up {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger children */
.card:nth-child(2) { transition-delay: 0.1s; }
.card:nth-child(3) { transition-delay: 0.2s; }
.card:nth-child(4) { transition-delay: 0.3s; }
.card:nth-child(5) { transition-delay: 0.4s; }

.uc-card:nth-child(2) { transition-delay: 0.05s; }
.uc-card:nth-child(3) { transition-delay: 0.1s; }
.uc-card:nth-child(4) { transition-delay: 0.15s; }
.uc-card:nth-child(5) { transition-delay: 0.2s; }
.uc-card:nth-child(6) { transition-delay: 0.25s; }
.uc-card:nth-child(7) { transition-delay: 0.3s; }
.uc-card:nth-child(8) { transition-delay: 0.35s; }

.phase:nth-child(2) { transition-delay: 0.05s; }
.phase:nth-child(3) { transition-delay: 0.1s; }
.phase:nth-child(4) { transition-delay: 0.15s; }
.phase:nth-child(5) { transition-delay: 0.2s; }
.phase:nth-child(6) { transition-delay: 0.25s; }
.phase:nth-child(7) { transition-delay: 0.3s; }

.benefit:nth-child(2) { transition-delay: 0.1s; }
.benefit:nth-child(3) { transition-delay: 0.2s; }