/* ==========================================================================
   플로와 (Flowa) - Premium White & Emotional Blue Design System
   ========================================================================== */

:root {
    --bg-white: #ffffff;
    --bg-subtle: #f8fafc;
    --border-light: #e2e8f0;
    --border-hover: #2563eb;

    /* Blue Font & Accent Palette */
    --text-navy: #0f172a;
    --text-blue: #1e40af;
    --text-royal: #2563eb;
    --text-slate: #475569;
    --text-muted: #94a3b8;

    --primary-blue: #2563eb;
    --primary-blue-hover: #1d4ed8;
    --light-blue-bg: #eff6ff;
    --badge-blue: #0284c7;

    --font-sans: 'Outfit', 'Noto Sans KR', -apple-system, sans-serif;
    --font-serif: 'Gowun Batang', 'Playfair Display', serif;
    --font-script: 'Great Vibes', cursive;

    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;

    --shadow-card: 0 4px 14px rgba(15, 23, 42, 0.05);
    --shadow-hover: 0 12px 30px rgba(37, 99, 235, 0.12);

    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-white);
    color: var(--text-navy);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

button, input, select, textarea {
    font-family: inherit;
}

.container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Top Subtle Announcement Bar */
.flowa-top-bar {
    background: #0f172a;
    color: #ffffff;
    font-size: 13px;
    padding: 9px 0;
    text-align: center;
    font-weight: 500;
}

.flowa-top-bar span {
    color: #60a5fa;
    font-weight: 700;
}

/* Flowa Header */
.flowa-header {
    background: var(--bg-white);
    border-bottom: 1px solid var(--border-light);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(15, 23, 42, 0.03);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 0; /* Reduced from 22px */
    gap: 16px;
}

/* Emotional Brand Logo */
.flowa-logo-wrap {
    display: flex;
    flex-direction: column;
}

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

.flowa-brand-name {
    font-family: 'Outfit', 'Noto Sans KR', sans-serif;
    font-size: 36px;
    font-weight: 800;
    color: var(--primary-blue);
    letter-spacing: -1px;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
}

.flowa-logo:hover .flowa-brand-name {
    color: var(--primary-blue-hover);
    transform: scale(1.02);
}

.flowa-slogan-text {
    font-family: var(--font-sans);
    font-size: 12px;
    color: var(--text-slate);
    font-weight: 600;
    margin-top: 1px;
    letter-spacing: -0.2px;
}

/* Blue Search Bar */
.search-wrapper {
    flex-grow: 1;
    max-width: 500px;
}

.search-box-blue {
    display: flex;
    align-items: center;
    border: 2px solid var(--primary-blue);
    border-radius: var(--radius-md);
    background: var(--bg-white);
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.08);
}

.search-input-blue {
    flex-grow: 1;
    border: none;
    outline: none;
    padding: 12px 18px;
    font-size: 15px;
    color: var(--text-navy);
}

.search-btn-blue {
    background: var(--primary-blue);
    color: #ffffff;
    border: none;
    padding: 0 24px;
    height: 46px;
    cursor: pointer;
    font-weight: 700;
    font-size: 15px;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition);
}

.search-btn-blue:hover {
    background: var(--primary-blue-hover);
}

.header-right-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
    flex-shrink: 0;
}

.btn-header-login {
    background: transparent;
    border: none;
    color: var(--text-slate);
    padding: 9px 12px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.btn-header-login:hover {
    color: var(--primary-blue);
}

.btn-header-signup {
    background: var(--primary-blue);
    border: 1px solid transparent;
    color: #ffffff;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
    transition: var(--transition);
}

.btn-header-signup:hover {
    background: var(--primary-blue-hover);
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(37, 99, 235, 0.3);
}

.btn-blue-outline {
    background: var(--light-blue-bg);
    color: var(--text-blue);
    border: 1px solid rgba(37, 99, 235, 0.3);
    padding: 8px 18px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition);
}

.btn-blue-outline:hover {
    background: var(--primary-blue);
    color: #ffffff;
}

/* Category Navigation (Blue Underline Tabs) */
.category-nav {
    background: var(--bg-white);
    border-top: 1px solid var(--border-light);
}

.cat-menu-list {
    display: flex;
    align-items: center;
    gap: 8px; /* Reduced gap */
    list-style: none;
    padding: 0; /* Removed padding */
}

.cat-item-btn {
    background: transparent;
    border: none;
    color: var(--text-slate);
    font-size: 15px; /* Reduced font size */
    font-weight: 600;
    padding: 0 14px; /* Reduced padding */
    height: 48px; /* Reduced height */
    cursor: pointer;
    white-space: nowrap;
    position: relative;
    transition: var(--transition);
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cat-item-btn:hover {
    color: var(--text-blue);
}

.cat-item-btn.active {
    color: var(--text-blue);
    font-weight: 800;
}

.cat-item-btn.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: var(--primary-blue);
    border-radius: 2px;
}

/* Dropdown Menu Styles */
.dropdown-wrap {
    position: relative;
    display: inline-block;
}

.dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: #fff;
    min-width: 160px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    border-radius: var(--radius-md);
    z-index: 100;
    padding: 8px 0;
    border: 1px solid var(--border-light);
}

.dropdown-wrap:hover .dropdown-menu,
.dropdown-wrap:focus-within .dropdown-menu {
    display: block;
}

.dropdown-item {
    background: transparent;
    border: none;
    width: 100%;
    text-align: left;
    padding: 10px 16px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-navy);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-sizing: border-box;
    position: relative;
    white-space: nowrap;
}

.dropdown-item:hover {
    background-color: var(--light-blue-bg);
    color: var(--primary-blue);
    font-weight: 700;
}

/* Nested Sub-Dropdown Menu */
.sub-dropdown-wrap {
    position: relative;
}

.sub-dropdown-menu {
    display: none;
    position: absolute;
    top: 0;
    left: 100%;
    background-color: #fff;
    min-width: 140px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    border-radius: var(--radius-md);
    z-index: 101;
    padding: 8px 0;
    border: 1px solid var(--border-light);
    margin-left: 2px;
}

.sub-dropdown-wrap:hover > .sub-dropdown-menu,
.sub-dropdown-wrap:focus-within > .sub-dropdown-menu {
    display: block;
}

.dropdown-item-arrow::after {
    content: "▸";
    font-size: 12px;
    color: var(--text-muted);
    transition: var(--transition);
}

.sub-dropdown-wrap:hover > .dropdown-item-arrow::after {
    color: var(--primary-blue);
    transform: translateX(2px);
}


/* Hero Section / Banner */
.flowa-hero-banner {
    margin: 32px 0;
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
    border-radius: 20px;
    padding: 48px 56px;
    color: #ffffff;
    box-shadow: 0 20px 40px rgba(37, 99, 235, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.flowa-hero-banner::after {
    content: '';
    position: absolute;
    right: -10%;
    bottom: -50%;
    width: 60%;
    height: 150%;
    background: linear-gradient(to top left, rgba(255,255,255,0.1), transparent);
    transform: rotate(-15deg);
    pointer-events: none;
}

.hero-banner-left {
    z-index: 1;
    max-width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.hero-banner-left h2 {
    font-family: var(--font-sans);
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 16px;
    line-height: 1.4;
    letter-spacing: -0.5px;
}

.highlight-cyan {
    color: #38bdf8;
}

.hero-banner-left p {
    font-size: 17px;
    opacity: 0.9;
    margin-bottom: 0;
    line-height: 1.6;
    font-weight: 400;
}

.banner-blue-badge {
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: #ffffff;
    font-size: 13px;
    font-weight: 700;
    padding: 6px 14px;
    border-radius: 30px;
    display: inline-block;
    margin-bottom: 20px;
}

.btn-primary-blue {
    background: #ffffff;
    color: var(--text-blue);
    font-weight: 800;
    border: none;
    padding: 14px 28px;
    border-radius: var(--radius-md);
    font-size: 15px;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.btn-primary-blue:hover {
    background: var(--light-blue-bg);
    transform: translateY(-2px);
}

.hero-banner-right {
    z-index: 1;
}

.btn-primary-premium {
    background: #ffffff;
    color: #1e3a8a;
    font-weight: 800;
    border: none;
    padding: 16px 32px;
    border-radius: 50px;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 10px 20px rgba(0,0,0,0.15);
    white-space: nowrap;
}

.btn-primary-premium:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 24px rgba(0,0,0,0.2);
    background: #f8fafc;
}

/* Products Mall Section */
.products-section {
    padding: 20px 0 80px;
}

.section-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--border-light);
}

.toolbar-title {
    font-family: var(--font-sans);
    font-size: 20px;
    font-weight: 700;
    color: var(--text-blue);
    display: flex;
    align-items: center;
    gap: 8px;
}

.toolbar-title span {
    color: var(--primary-blue);
    font-family: var(--font-sans);
    font-size: 16px;
    font-weight: 700;
}

.sort-options {
    display: flex;
    gap: 16px;
    font-size: 14px;
}

.sort-btn {
    background: none;
    border: none;
    color: var(--text-slate);
    cursor: pointer;
    font-weight: 500;
}

.sort-btn.active {
    color: var(--text-blue);
    font-weight: 800;
    text-decoration: underline;
}

/* Product Cards Grid (4 Columns) */
.product-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.product-card {
    background: var(--bg-white);
    border-radius: var(--radius-sm);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: var(--transition);
    cursor: pointer;
    position: relative;
}

.product-card:hover {
    transform: translateY(-3px);
}

.product-thumb {
    width: 100%;
    aspect-ratio: 1 / 1;
    background: #f1f5f9;
    position: relative;
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.product-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Fallback icon inside thumb if no image */
.product-thumb svg.fallback-icon {
    width: 48px;
    height: 48px;
    color: #cbd5e1;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.product-info {
    padding: 12px 4px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.product-title-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 8px;
    margin-bottom: 6px;
}

.product-title {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-navy);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.btn-heart {
    background: none;
    border: none;
    color: #cbd5e1;
    cursor: pointer;
    padding: 0;
    flex-shrink: 0;
    margin-top: 2px;
}
.btn-heart:hover {
    color: #ef4444;
}

.price-original {
    font-size: 12px;
    color: #94a3b8;
    text-decoration: line-through;
    margin-bottom: 2px;
}

.price-row {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 6px;
}

.discount-rate {
    font-size: 16px;
    font-weight: 800;
    color: #dc2626; /* Red */
}

.price-val {
    font-size: 16px;
    font-weight: 800;
    color: var(--text-navy);
}

.delivery-fee {
    font-size: 12px;
    color: #94a3b8;
    display: flex;
    align-items: center;
    gap: 2px;
}

.rating-row {
    font-size: 12px;
    color: #64748b;
    display: flex;
    align-items: center;
    gap: 4px;
}
.rating-star {
    color: #ef4444; /* Red star */
}

/* Modal Popup */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.6);
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(4px);
}

.modal-overlay.active {
    display: flex;
}

.modal-box {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 580px;
    padding: 36px;
    position: relative;
    box-shadow: 0 25px 50px rgba(15, 23, 42, 0.25);
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 24px;
    background: none;
    border: none;
    font-size: 26px;
    cursor: pointer;
    color: var(--text-slate);
}

.modal-title {
    font-family: var(--font-serif);
    font-size: 22px;
    font-weight: 700;
    color: var(--text-blue);
    margin-bottom: 8px;
}

.modal-desc {
    color: var(--text-slate);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 24px;
}

.btn-blue-submit {
    background: var(--primary-blue);
    color: #ffffff;
    border: none;
    padding: 15px;
    border-radius: var(--radius-md);
    font-size: 16px;
    font-weight: 700;
    width: 100%;
    cursor: pointer;
    transition: var(--transition);
}

.btn-blue-submit:hover {
    background: var(--primary-blue-hover);
}

/* Toast */
.flowa-toast {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    background: #0f172a;
    color: #ffffff;
    padding: 14px 28px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 14px;
    z-index: 2000;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

/* Footer */
.flowa-footer {
    background: #0f172a;
    color: #94a3b8;
    padding: 50px 0 30px;
    font-size: 13px;
    text-align: center;
}

.footer-nav {
    display: flex;
    justify-content: center;
    gap: 20px;
    font-weight: 700;
    margin-bottom: 20px;
}

.footer-nav a {
    color: #ffffff;
}

.footer-nav a.highlight {
    color: #60a5fa;
}

.footer-info {
    line-height: 1.8;
}

/* Sign Up & Login Modal Backdrop & Card */
.flowa-modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(15, 23, 42, 0.65);
    backdrop-filter: blur(6px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 20px;
}

.flowa-modal-backdrop.active {
    opacity: 1;
    visibility: visible;
}

.flowa-modal-card {
    background: #ffffff;
    border-radius: 20px;
    width: 100%;
    max-width: 540px;
    padding: 36px;
    position: relative;
    box-shadow: 0 25px 60px rgba(15, 23, 42, 0.25);
    transform: translateY(20px) scale(0.97);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    max-height: 92vh;
    overflow-y: auto;
}

.flowa-modal-backdrop.active .flowa-modal-card {
    transform: translateY(0) scale(1);
}

.flowa-modal-card.login-card {
    max-width: 440px;
}

.flowa-modal-close {
    position: absolute;
    top: 20px;
    right: 22px;
    background: #f1f5f9;
    border: none;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    font-size: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-slate);
    transition: var(--transition);
}

.flowa-modal-close:hover {
    background: #e2e8f0;
    color: var(--text-navy);
}

.modal-brand-header {
    text-align: center;
    margin-bottom: 24px;
}

.modal-logo-text {
    font-family: 'Cinzel', serif;
    font-size: 26px;
    font-weight: 900;
    letter-spacing: 2px;
    color: var(--text-blue);
    display: inline-block;
    margin-bottom: 6px;
}

.modal-title-text {
    font-size: 22px;
    font-weight: 800;
    color: var(--text-navy);
    margin-bottom: 4px;
}

.modal-sub-text {
    font-size: 13px;
    color: var(--text-slate);
}

.signup-form-body {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-field-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-field-group label {
    font-size: 13px;
    font-weight: 700;
    color: var(--text-navy);
}

.form-field-group label .req {
    color: #ef4444;
}

.form-field-group input {
    padding: 12px 14px;
    border: 1px solid var(--border-light);
    border-radius: 10px;
    font-size: 14px;
    color: var(--text-navy);
    outline: none;
    transition: var(--transition);
}

.form-field-group input:focus {
    border-color: var(--primary-blue);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.input-with-action {
    display: flex;
    gap: 8px;
}

.input-with-action input {
    flex-grow: 1;
}

.btn-input-action {
    background: var(--light-blue-bg);
    color: var(--primary-blue);
    border: 1px solid rgba(37, 99, 235, 0.3);
    padding: 0 16px;
    border-radius: 10px;
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    white-space: nowrap;
    transition: var(--transition);
}

.btn-input-action:hover {
    background: var(--primary-blue);
    color: #ffffff;
}

.form-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.agreement-box {
    background: #f8fafc;
    border: 1px solid var(--border-light);
    border-radius: 12px;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    font-size: 13px;
}

.agree-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-slate);
}

.agree-item input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--primary-blue);
    cursor: pointer;
}

.agree-item label {
    cursor: pointer;
    line-height: 1.3;
}

.agree-item label a {
    color: var(--primary-blue);
    text-decoration: underline;
}

.agree-divider {
    height: 1px;
    background: var(--border-light);
    margin: 2px 0;
}

.btn-signup-submit-blue {
    background: var(--primary-blue);
    color: #ffffff;
    border: none;
    padding: 15px;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 800;
    cursor: pointer;
    transition: var(--transition);
    margin-top: 6px;
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.25);
}

.btn-signup-submit-blue:hover {
    background: var(--primary-blue-hover);
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.35);
}

.modal-bottom-switch {
    text-align: center;
    margin-top: 20px;
    font-size: 13px;
    color: var(--text-slate);
}

.modal-bottom-switch a {
    color: var(--primary-blue);
    font-weight: 700;
    margin-left: 4px;
}

.modal-bottom-switch a:hover {
    text-decoration: underline;
}

@media (max-width: 600px) {
    .form-grid-2 {
        grid-template-columns: 1fr;
    }
    .flowa-modal-card {
        padding: 24px 20px;
    }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .header-inner {
        flex-wrap: wrap;
    }
    .category-nav {
        order: 3;
        width: 100%;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    .cat-menu-list {
        padding-bottom: 8px;
    }
    .product-grid {
        grid-template-columns: repeat(2, 1fr) !important;
    }
}

@media (max-width: 768px) {
    .flowa-logo-wrap {
        margin-right: auto;
    }
    .cat-menu-list {
        gap: 4px;
    }
    .cat-item-btn {
        padding: 0 10px;
        font-size: 14px;
        height: 40px;
    }
    .btn-header-login {
        display: none;
    }
    .btn-header-signup span {
        display: none;
    }
    .btn-blue-outline span {
        display: none;
    }
    .btn-header-signup, .btn-blue-outline {
        padding: 8px 12px;
    }
    .hero-banner-left h2 {
        font-size: 28px;
    }
    .footer-nav {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 8px;
    }
    .footer-nav span { display: none; }
}

@media (max-width: 480px) {
    .product-grid {
        grid-template-columns: repeat(2, 1fr) !important;
    }
}


/* Why Flowa Section */
.flowa-why-section {
    padding: 80px 0;
    background-color: var(--bg-subtle);
    border-radius: 24px;
    margin: 40px 0;
    text-align: center;
}
.why-header {
    margin-bottom: 48px;
}
.why-badge {
    display: inline-block;
    background-color: var(--primary-blue);
    color: #fff;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 14px;
    margin-bottom: 16px;
}
.why-header h2 {
    font-size: 32px;
    color: var(--text-navy);
    font-weight: 800;
    margin-bottom: 12px;
}
.why-header h2 strong {
    color: var(--primary-blue);
}
.why-header p {
    color: var(--text-slate);
    font-size: 16px;
}
.why-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    padding: 0 40px;
}
.why-card {
    background: #fff;
    padding: 32px;
    border-radius: 16px;
    box-shadow: var(--shadow-card);
    transition: var(--transition);
    text-align: left;
}
.why-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}
.why-icon {
    font-size: 40px;
    margin-bottom: 20px;
}
.why-card h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--text-navy);
    margin-bottom: 12px;
    white-space: nowrap;
    letter-spacing: -0.5px;
}
.why-card p {
    color: var(--text-slate);
    font-size: 14px;
    line-height: 1.6;
    word-break: keep-all;
    overflow-wrap: break-word;
}

/* OEM Guide Section */
.oem-guide-section {
    padding: 60px 0 100px;
}
.guide-header {
    text-align: center;
    margin-bottom: 40px;
}
.guide-header h2 {
    font-size: 32px;
    font-weight: 800;
    color: var(--text-navy);
    margin-bottom: 12px;
}
.guide-header h2 strong {
    color: var(--primary-blue);
}
.guide-header p {
    color: var(--text-slate);
    font-size: 16px;
}
.guide-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    max-width: 900px;
    margin: 0 auto;
}
.guide-item {
    display: flex;
    align-items: flex-start;
    padding: 24px;
    background: #fff;
    border: 1px solid var(--border-light);
    border-radius: 12px;
    transition: var(--transition);
    text-decoration: none;
}
.guide-item:hover {
    border-color: var(--primary-blue);
    box-shadow: 0 4px 12px rgba(37,99,235,0.08);
    transform: translateX(5px);
}
.guide-number {
    font-family: var(--font-sans);
    font-weight: 900;
    font-size: 24px;
    color: #cbd5e1;
    margin-right: 24px;
    line-height: 1;
}
.guide-item:hover .guide-number {
    color: var(--primary-blue);
}
.guide-content h4 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-navy);
    margin-bottom: 8px;
}
.guide-content p {
    font-size: 15px;
    color: var(--text-slate);
    margin: 0;
}

