/**
 * SnapSave.site - Official Pure CSS Design System
 * Chuẩn phong cách snapsave.site: Màu sắc, hiệu ứng, typography, responsive.
 */

:root {
    --color-primary: #166FE5;
    --color-primary-hover: #1565C0;
    --color-primary-light: #E7F3FF;
    --color-secondary: #42B72A;
    --color-secondary-hover: #36A420;
    --color-tiktok: #FE2C55;
    --color-tiktok-hover: #E01E45;
    --color-instagram: #E1306C;
    --color-bg: #F0F2F5;
    --color-surface: #FFFFFF;
    --color-text: #1C1E21;
    --color-text-secondary: #65676B;
    --color-text-light: #8A8D91;
    --color-border: #DADDE1;
    --color-border-light: #E4E6EB;
    --color-error: #FA3E3E;
    --color-error-bg: #FFEBE9;
    --color-success: #42B72A;
    --color-success-bg: #E6F4EA;
    --color-warning: #F7B928;
    --font-family: "Google Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-size-xs: .75rem;
    --font-size-sm: .875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.5rem;
    --font-size-2xl: 2rem;
    --space-1: .25rem;
    --space-2: .5rem;
    --space-3: .75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --max-width: 860px;
    --radius: 8px;
    --radius-sm: 4px;
    --radius-lg: 12px;
    --radius-full: 9999px;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);
    --shadow: 0 1px 3px rgba(0, 0, 0, .1), 0 1px 2px rgba(0, 0, 0, .06);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, .07), 0 2px 4px rgba(0, 0, 0, .06);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, .1);
    --transition: .2s ease;
}

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

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover {
    text-decoration: underline;
}

img {
    max-width: 100%;
    height: auto;
}

.wrapper, .container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-4);
    width: 100%;
}

main.wrapper {
    flex: 1;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: 600;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    line-height: 1;
}

.btn:hover {
    text-decoration: none;
}

.btn-primary {
    background-color: var(--color-primary);
    color: #fff;
}
.btn-primary:hover {
    background-color: var(--color-primary-hover);
}

.btn-success {
    background-color: var(--color-secondary);
    color: #fff;
}
.btn-success:hover {
    background-color: var(--color-secondary-hover);
}

.btn-tiktok {
    background-color: var(--color-tiktok);
    color: #fff;
}
.btn-tiktok:hover {
    background-color: var(--color-tiktok-hover);
}

.btn-douyin {
    background: linear-gradient(135deg, #161823 0%, #242633 100%);
    color: #fff;
    border: 1px solid #333;
}
.btn-douyin:hover {
    background: linear-gradient(135deg, #242633 0%, #2f3242 100%);
    box-shadow: 0 4px 15px rgba(22, 24, 35, 0.4);
}

.btn-xiaohongshu {
    background: linear-gradient(135deg, #ff2442 0%, #ff4d6a 100%);
    color: #fff;
}
.btn-xiaohongshu:hover {
    background: linear-gradient(135deg, #e01b38 0%, #f73655 100%);
    box-shadow: 0 4px 15px rgba(255, 36, 66, 0.4);
}

.btn-instagram {
    background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888);
    color: #fff;
}

.btn-outline {
    background-color: transparent;
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
}
.btn-outline:hover {
    background-color: var(--color-primary-light);
}

.btn-sm {
    padding: var(--space-2) var(--space-4);
    font-size: var(--font-size-sm);
}

.btn:disabled, .btn--loading {
    opacity: .7;
    pointer-events: none;
}

.btn__spinner {
    width: 18px;
    height: 18px;
    border: 2px solid #FFF;
    border-bottom-color: transparent;
    border-radius: 50%;
    display: inline-block;
    animation: rotation 0.8s linear infinite;
}

@keyframes rotation {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* --- Input --- */
.input {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    border: 2px solid var(--color-border);
    border-radius: var(--radius);
    outline: none;
    transition: border-color var(--transition);
    background-color: #fff;
}

.input:focus {
    border-color: var(--color-primary);
}

.input--error {
    border-color: var(--color-error) !important;
}

.card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: var(--space-6);
}

/* --- Badges --- */
.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-1) var(--space-3);
    font-size: var(--font-size-xs);
    font-weight: 700;
    border-radius: var(--radius-full);
    text-transform: uppercase;
}
.badge-4k { background: #7c3aed; color: #fff; }
.badge-2k { background: #4f46e5; color: #fff; }
.badge-fhd { background: var(--color-primary); color: #fff; }
.badge-hd { background: var(--color-primary-light); color: var(--color-primary); }
.badge-sd { background: var(--color-border-light); color: var(--color-text); }
.badge-audio { background: var(--color-success-bg); color: var(--color-success); }

/* --- Alert --- */
.alert {
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius);
    font-size: var(--font-size-sm);
    margin-top: var(--space-3);
    text-align: left;
}
.alert-error {
    background: var(--color-error-bg);
    color: var(--color-error);
    border: 1px solid #f5c2c7;
    font-weight: 500;
}

/* --- Navbar --- */
.navbar {
    background-color: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border-light);
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--space-3);
    padding-bottom: var(--space-3);
    max-width: 1200px;
}

.navbar-logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--color-text);
    text-decoration: none;
}
.navbar-logo:hover { text-decoration: none; }
.navbar-logo__icon {
    width: 34px;
    height: 34px;
    border-radius: var(--radius-sm);
    background: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 800;
    font-size: 1.2rem;
}
.text-primary { color: var(--color-primary); }

.navbar-links {
    display: flex;
    align-items: center;
    gap: var(--space-5);
}
.navbar-links a {
    color: var(--color-text);
    font-size: var(--font-size-sm);
    font-weight: 500;
}
.navbar-links a:hover {
    color: var(--color-primary);
    text-decoration: none;
}

.navbar-dropdown {
    position: relative;
    display: flex;
    align-items: center;
}
.navbar-dropdown__toggle {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 0;
    border: none;
    background: none;
    cursor: pointer;
    color: var(--color-text);
    font-size: var(--font-size-sm);
    font-weight: 500;
    font-family: inherit;
}
.navbar-dropdown__toggle:hover { color: var(--color-primary); }
.navbar-dropdown__arrow { transition: transform .2s; }
.navbar-dropdown.open .navbar-dropdown__arrow { transform: rotate(180deg); }

.navbar-dropdown__menu {
    position: absolute;
    left: 0;
    top: calc(100% + var(--space-3));
    list-style: none;
    margin: 0;
    padding: var(--space-1) 0;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
    min-width: 220px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-6px);
    transition: opacity .2s, transform .2s, visibility .2s;
    z-index: 100;
}
.navbar-dropdown.open .navbar-dropdown__menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.navbar-dropdown__menu a {
    display: block;
    padding: var(--space-2) var(--space-3);
    font-size: var(--font-size-sm);
    color: inherit;
    text-decoration: none;
    white-space: nowrap;
    transition: background .15s;
}
.navbar-dropdown__menu a:hover {
    background: var(--color-bg);
    color: var(--color-primary);
}

.navbar-right {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

/* Language selector */
.navbar-lang {
    position: relative;
}
.navbar-lang__toggle {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-3);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    background: var(--color-surface);
    cursor: pointer;
    font-weight: 500;
}
.navbar-lang__menu {
    position: absolute;
    right: 0;
    top: calc(100% + 6px);
    list-style: none;
    padding: var(--space-1) 0;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
    min-width: 150px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-6px);
    transition: opacity .2s, transform .2s, visibility .2s;
    z-index: 100;
}
.navbar-lang.open .navbar-lang__menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.navbar-lang__menu a {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    font-size: var(--font-size-xs);
    color: inherit;
    text-decoration: none;
}
.navbar-lang__menu a:hover { background: var(--color-bg); }
.navbar-lang__menu a.active { color: var(--color-primary); font-weight: 700; }

.navbar-hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 36px;
    height: 36px;
    padding: 6px;
    border: none;
    background: none;
    cursor: pointer;
}
.navbar-hamburger__line {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: transform .3s, opacity .3s;
}

/* --- Hero & Download Form --- */
.hero {
    text-align: center;
    padding: var(--space-10) 0 var(--space-6);
}
.hero__title {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--space-2);
    letter-spacing: -0.02em;
}
.hero__subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-6);
}

.download-form {
    max-width: 100%;
    margin: 0 auto;
}
.download-form__input-wrap {
    position: relative;
    display: flex;
    align-items: center;
}
.download-form__input {
    width: 100%;
    padding: var(--space-4) var(--space-5);
    padding-right: 96px;
    font-size: 1.1rem;
    border-radius: var(--radius);
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.04);
}
.download-form__action-btn {
    position: absolute;
    right: var(--space-2);
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: var(--space-2) var(--space-3);
    background: var(--color-primary-light);
    border: 1px solid var(--color-primary);
    color: var(--color-primary);
    font-size: var(--font-size-sm);
    font-family: inherit;
    font-weight: 600;
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}
.download-form__action-btn:hover {
    background-color: var(--color-primary);
    color: #fff;
}
.download-form__btn {
    width: 100%;
    margin-top: var(--space-3);
    padding: var(--space-4) var(--space-8);
    font-size: 1.15rem;
    box-shadow: 0 4px 12px rgba(22, 111, 229, 0.25);
}

.hero__trust {
    margin-top: var(--space-3);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}
.hero__cta-link {
    margin-top: var(--space-3);
    font-size: var(--font-size-sm);
}

/* --- Media Result Card --- */
.media-result {
    margin: var(--space-6) 0 var(--space-8);
}
.media-result__card {
    padding: 0;
    overflow: hidden;
    border: 1px solid var(--color-border);
}
.media-result__header {
    display: flex;
    gap: var(--space-4);
    padding: var(--space-4);
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border-light);
}
.media-result__thumb-wrap {
    width: 160px;
    aspect-ratio: 16 / 9;
    border-radius: var(--radius);
    overflow: hidden;
    flex-shrink: 0;
    background: var(--color-bg);
}
.media-result__thumb {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.media-result__info {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
}
.media-result__title {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--color-text);
    line-height: 1.4;
}
.media-result__duration, .media-result__author {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
}

.render-notice {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    background: #FFF8E1;
    border-top: 1px solid #FFE082;
    border-bottom: 1px solid #FFE082;
    color: #795548;
    font-size: .85rem;
}
.render-notice svg { flex-shrink: 0; color: #FFA000; }

.media-result__list {
    background: #fff;
}
.media-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-3) var(--space-4);
    border-bottom: 1px solid var(--color-border-light);
}
.media-item:last-child { border-bottom: none; }
.media-item__info {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}
.media-item__quality {
    font-weight: 600;
    font-size: var(--font-size-sm);
    min-width: 140px;
}
.media-item__size {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    min-width: 80px;
}
.badge-image {
    background: #E8F5E9;
    color: #2E7D32;
    border: 1px solid #C8E6C9;
}

/* --- SnapSave.site Exact CSS: ig-result & ig-media-card --- */
.ig-result {
    background: var(--color-surface, #fff);
    border: 1px solid var(--color-border-light, #e4e6eb);
    border-radius: var(--radius-lg, 12px);
    padding: var(--space-4, 16px);
    margin-top: 16px;
}
.ig-result__header {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3, 12px);
    margin-bottom: var(--space-4, 16px);
}
.ig-result__thumb-wrap {
    width: 96px;
    height: 96px;
    border-radius: var(--radius, 8px);
    overflow: hidden;
    flex-shrink: 0;
    background: var(--color-bg, #f0f2f5);
}
.ig-result__thumb-wrap.ig-shimmer {
    background: linear-gradient(90deg,#e0e0e0 25%,#f0f0f0,#e0e0e0 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}
.ig-result__thumb {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.ig-result__info {
    display: flex;
    flex-direction: column;
    gap: var(--space-1, 4px);
    min-width: 0;
    flex: 1;
}
.ig-result__title {
    font-size: var(--font-size-base, 1rem);
    font-weight: var(--font-weight-semibold, 600);
    color: var(--color-text, #1c1e21);
    margin: 0;
}
.ig-result__user {
    font-size: var(--font-size-sm, 0.875rem);
    color: var(--color-text-secondary, #65676b);
    font-weight: 500;
}
.ig-result__caption {
    font-size: var(--font-size-sm, 0.875rem);
    color: var(--color-text-secondary, #65676b);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.4;
}
.ig-result__hint {
    margin-top: var(--space-3, 12px);
    font-size: var(--font-size-xs, 0.75rem);
    color: var(--color-text-light, #8a8d91);
    text-align: center;
}
.ig-bulk {
    background: var(--color-bg, #f0f2f5);
    border: 1px solid var(--color-border-light, #e4e6eb);
    border-radius: var(--radius, 8px);
    padding: var(--space-3, 12px);
    margin-bottom: var(--space-4, 16px);
}
.ig-bulk__row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3, 12px);
    flex-wrap: wrap;
}
.ig-bulk__hint {
    font-size: var(--font-size-sm, 0.875rem);
    color: var(--color-text-secondary, #65676b);
}
.ig-media-grid {
    display: grid;
    gap: var(--space-3, 12px);
}
.ig-media-grid--one {
    grid-template-columns: minmax(0, 360px);
    justify-content: center;
}
.ig-media-grid--many {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
}
@media (min-width: 640px) {
    .ig-media-grid--many {
        grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
    }
}
.ig-media-card {
    display: flex;
    flex-direction: column;
    border: 1px solid var(--color-border-light, #e4e6eb);
    border-radius: var(--radius, 8px);
    overflow: hidden;
    background: var(--color-surface, #fff);
    box-shadow: 0 1px 3px rgba(0,0,0,0.04);
    transition: transform .15s ease, box-shadow .15s ease;
}
.ig-media-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}
.ig-media-card__media {
    position: relative;
    display: block;
    aspect-ratio: 1 / 1;
    background: var(--color-bg, #f0f2f5);
    overflow: hidden;
    text-decoration: none;
}
.ig-media-card--vertical .ig-media-card__media {
    aspect-ratio: 9 / 16;
}
.ig-media-card__img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform .25s ease;
}
.ig-media-card__media:hover .ig-media-card__img {
    transform: scale(1.03);
}
.ig-media-card__badge {
    position: absolute;
    top: var(--space-2, 8px);
    left: var(--space-2, 8px);
    padding: 2px 8px;
    font-size: 10px;
    font-weight: var(--font-weight-bold, 700);
    line-height: 1.6;
    color: #fff;
    background: #000000b3;
    border-radius: 999px;
    pointer-events: none;
    z-index: 1;
}
.ig-media-card__overlay {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    background: #00000059;
    opacity: 0;
    transition: opacity .15s ease;
    pointer-events: none;
    z-index: 2;
}
.ig-media-card__media:hover .ig-media-card__overlay {
    opacity: 1;
}
.ig-media-card__btn {
    width: calc(100% - var(--space-4, 16px)) !important;
    margin: var(--space-2, 8px) var(--space-2, 8px) var(--space-3, 12px) !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 6px !important;
    font-size: 0.85rem !important;
    font-weight: 600 !important;
    padding: 7px 12px !important;
}
.media-result__footer {
    text-align: center;
    margin-top: var(--space-6);
}

/* --- Features Section --- */
.section-title {
    font-size: 1.4rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--space-4);
    color: var(--color-text);
}
.features {
    padding: var(--space-6) 0;
}
.features__list {
    list-style: none;
    padding: var(--space-5);
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    background-color: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}
.features__list li {
    font-size: var(--font-size-base);
    padding-left: var(--space-6);
    position: relative;
    line-height: 1.6;
}
.features__list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: 800;
    font-size: 1.1rem;
}

/* --- How-to Steps --- */
.how-to {
    padding: var(--space-6) 0;
}
.how-to__steps {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    padding: var(--space-5);
    background-color: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}
.step {
    display: flex;
    align-items: flex-start;
    gap: var(--space-4);
}
.step__number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
    border-radius: 50%;
    font-weight: 700;
    font-size: 1.1rem;
    flex-shrink: 0;
}
.step__content h3 {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 2px;
}
.step__content p {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

/* --- FAQ Accordion --- */
.faq {
    padding: var(--space-6) 0;
}
.faq__list {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}
.faq-item {
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius);
    background: #fff;
    overflow: hidden;
    transition: box-shadow var(--transition);
}
.faq-item__question {
    width: 100%;
    padding: var(--space-4);
    background: none;
    border: none;
    text-align: left;
    font-size: var(--font-size-base);
    font-weight: 600;
    font-family: inherit;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    color: var(--color-text);
}
.faq-item__arrow {
    transition: transform .2s ease;
    flex-shrink: 0;
    color: var(--color-text-light);
}
.faq-item.active .faq-item__arrow {
    transform: rotate(180deg);
}
.faq-item__answer {
    display: none;
    padding: 0 var(--space-4) var(--space-4);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: 1.6;
}
.faq-item.active .faq-item__answer {
    display: block;
}

/* --- Related Tools --- */
.related-tools {
    padding: var(--space-6) 0;
}
.related-tools__list {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2) var(--space-3);
    justify-content: center;
}
.related-tools__list a {
    display: inline-block;
    padding: var(--space-2) var(--space-4);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    background: #fff;
    color: var(--color-text);
    font-size: var(--font-size-sm);
    font-weight: 500;
    transition: all var(--transition);
}
.related-tools__list a:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: var(--color-primary-light);
    text-decoration: none;
}

/* --- Blog Card Grid --- */
.latest-articles {
    padding: var(--space-6) 0;
}
.blog__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-5);
}
.blog-card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border-light);
    transition: transform var(--transition), box-shadow var(--transition);
    display: flex;
    flex-direction: column;
}
.blog-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}
.blog-card__thumb {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    background: var(--color-bg);
}
.blog-card__body {
    padding: var(--space-4);
    flex: 1;
    display: flex;
    flex-direction: column;
}
.blog-card__title {
    font-size: var(--font-size-base);
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: var(--space-2);
}
.blog-card__title a {
    color: var(--color-text);
}
.blog-card__title a:hover {
    color: var(--color-primary);
}
.blog-card__excerpt {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    line-height: 1.5;
    margin-bottom: var(--space-3);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
}
.blog-card__date {
    font-size: var(--font-size-xs);
    color: var(--color-text-light);
}

/* --- Private Form Step UI --- */
.private-step-box {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    margin-bottom: var(--space-5);
    border: 1px solid var(--color-border);
}
.private-step-title {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: var(--space-3);
}
.private-step-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: var(--color-primary);
    color: #fff;
    border-radius: 50%;
    font-size: var(--font-size-sm);
}

/* --- Footer --- */
.footer {
    padding: var(--space-8) 0 var(--space-6);
    background: #fff;
    border-top: 1px solid var(--color-border-light);
    margin-top: var(--space-10);
}
.footer__columns {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
    margin-bottom: var(--space-6);
}
.footer__heading {
    font-size: var(--font-size-base);
    font-weight: 700;
    margin-bottom: var(--space-3);
    color: var(--color-text);
}
.footer__links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}
.footer__links a {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}
.footer__links a:hover {
    color: var(--color-primary);
}
.footer__copyright {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    text-align: center;
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-border-light);
}
.footer__disclaimer {
    font-size: var(--font-size-xs);
    color: var(--color-text-light);
    text-align: center;
    margin-top: var(--space-1);
}

/* --- Mobile Responsive --- */
@media (max-width: 860px) {
    .blog__grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer__columns {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .hero__title {
        font-size: 1.65rem;
    }
    .hero__subtitle {
        font-size: 1rem;
    }
    .navbar-hamburger {
        display: flex;
    }
    .navbar-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #fff;
        flex-direction: column;
        padding: var(--space-4);
        gap: 0;
        box-shadow: var(--shadow-md);
        border-top: 1px solid var(--color-border-light);
    }
    .navbar.menu-open .navbar-links {
        display: flex;
    }
    .navbar-links a {
        display: block;
        padding: var(--space-3) 0;
        border-bottom: 1px solid var(--color-border-light);
        width: 100%;
    }
    .media-item__size {
        display: none;
    }
}

@media (max-width: 480px) {
    .media-result__header {
        flex-direction: column;
    }
    .media-result__thumb-wrap {
        width: 100%;
    }
    .blog__grid {
        grid-template-columns: 1fr;
    }
    .footer__columns {
        grid-template-columns: 1fr;
    }
}