/* ============================================================ */
/* ROOT VARIABLES — Complete Design Tokens                      */
/* ============================================================ */
:root {
    /* ===== COLORS ===== */
    --color-primary: #2563EB;
    --color-primary-dark: #1D4ED8;
    --color-primary-light: #DBEAFE;
    --color-primary-active: #1A3A8A;
    --color-secondary: #7C3AED;
    --color-secondary-dark: #6D28D9;
    --color-secondary-light: #EDE9FE;
    --color-accent: #06B6D4;
    --color-success: #22C55E;
    --color-success-light: #DCFCE7;
    --color-warning: #F59E0B;
    --color-warning-light: #FEF3C7;
    --color-danger: #EF4444;
    --color-danger-light: #FEE2E2;
    --color-dark: #0F172A;
    --color-body: #1E293B;
    --color-muted: #64748B;
    --color-border: #E2E8F0;
    --color-background: #F8FAFC;
    --color-card: #FFFFFF;
    
    /* ===== TYPOGRAPHY ===== */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --font-size-h1: 52px;
    --font-size-h2: 36px;
    --font-size-h3: 30px;
    --font-size-h4: 24px;
    --font-size-h5: 20px;
    --font-size-body: 16px;
    --font-size-small: 14px;
    --font-size-caption: 12px;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* ===== SPACING ===== */
    --spacing-2: 2px;
    --spacing-3: 3px;
    --spacing-4: 4px;
    --spacing-5: 5px;
    --spacing-6: 6px;
    --spacing-7: 7px;
    --spacing-8: 8px;
    --spacing-12: 12px;
    --spacing-16: 16px;
    --spacing-20: 20px;
    --spacing-24: 24px;
    --spacing-32: 32px;
    --spacing-40: 40px;
    --spacing-48: 48px;
    --spacing-64: 64px;
    --spacing-80: 80px;
    --spacing-96: 96px;
    
    /* ===== BORDER RADIUS ===== */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-2xl: 24px;
    --radius-full: 9999px;
    
    /* ===== SHADOWS ===== */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.06);
    --shadow-xl: 0 12px 40px rgba(0, 0, 0, 0.08);
    --shadow-focus: 0 0 0 3px rgba(37, 99, 235, 0.25);
    
    /* ===== TRANSITIONS ===== */
    --transition-fast: 150ms ease;
    --transition-md: 200ms ease;
    --transition-slow: 300ms ease;
    --transition-smooth: 400ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================================ */
/* RESET & BASE                                                 */
/* ============================================================ */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    background: var(--color-background);
    color: var(--color-body);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

img,
svg {
    max-width: 100%;
}

button {
    cursor: pointer;
    font: inherit;
    border: none;
    background: none;
    color: inherit;
}

ul,
ol {
    list-style: none;
}

/* ============================================================ */
/* LAYOUT & CONTAINER                                           */
/* ============================================================ */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-24);
}

/* ============================================================ */
/* TYPOGRAPHY                                                   */
/* ============================================================ */
.h1 {
    font-size: var(--font-size-h1);
    font-weight: var(--font-weight-bold);
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.h2 {
    font-size: var(--font-size-h2);
    font-weight: var(--font-weight-bold);
    line-height: 1.15;
    letter-spacing: -0.015em;
}

.h3 {
    font-size: var(--font-size-h3);
    font-weight: var(--font-weight-semibold);
    line-height: 1.2;
}

.h4 {
    font-size: var(--font-size-h4);
    font-weight: var(--font-weight-semibold);
    line-height: 1.25;
}

.h5 {
    font-size: var(--font-size-h5);
    font-weight: var(--font-weight-semibold);
    line-height: 1.3;
}

.body {
    font-size: var(--font-size-body);
    font-weight: var(--font-weight-regular);
    line-height: 1.5;
}

.small {
    font-size: var(--font-size-small);
    font-weight: var(--font-weight-regular);
    line-height: 1.5;
}

.caption {
    font-size: var(--font-size-caption);
    font-weight: var(--font-weight-regular);
    line-height: 1.5;
}

.text-muted {
    color: var(--color-muted);
}

.text-center {
    text-align: center;
}

.text-primary {
    color: var(--color-primary);
}

.text-success {
    color: var(--color-success);
}

.text-danger {
    color: var(--color-danger);
}

/* ===== ADDITIONAL TEXT UTILITIES ===== */
.text-lg {
    font-size: 18px;
}

.text-xl {
    font-size: 20px;
}

.text-2xl {
    font-size: 24px;
}

.text-3xl {
    font-size: 32px;
}

.text-4xl {
    font-size: 40px;
}

.text-5xl {
    font-size: 48px;
}

.leading-loose {
    line-height: 1.8;
}

.font-medium {
    font-weight: var(--font-weight-medium);
}

.font-semibold {
    font-weight: var(--font-weight-semibold);
}

.font-bold {
    font-weight: var(--font-weight-bold);
}

/* ============================================================ */
/* SKIP LINK                                                    */
/* ============================================================ */
.skip-link {
    position: absolute;
    top: -9999px;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--spacing-12) var(--spacing-24);
    background: var(--color-primary);
    color: #fff;
    border-radius: var(--radius-md);
    z-index: 9999;
    font-weight: var(--font-weight-medium);
}

.skip-link:focus {
    top: var(--spacing-16);
}

/* ============================================================ */
/* BUTTONS                                                      */
/* ============================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-8);
    padding: 10px 20px;
    border-radius: var(--radius-md);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-body);
    line-height: 1;
    transition: all var(--transition-md);
    border: 1px solid transparent;
    cursor: pointer;
    background: transparent;
    color: var(--color-dark);
}

.btn:active {
    transform: scale(0.97);
}

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

.btn-primary:hover {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    transform: scale(1.02);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
    background: var(--color-secondary-dark);
    border-color: var(--color-secondary-dark);
    transform: scale(1.02);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background: transparent;
    color: var(--color-dark);
    border-color: var(--color-border);
}

.btn-outline:hover {
    background: var(--color-background);
    border-color: var(--color-muted);
}

.btn-ghost {
    background: transparent;
    border-color: transparent;
    color: var(--color-muted);
}

.btn-ghost:hover {
    color: var(--color-dark);
    background: rgba(0, 0, 0, 0.02);
}

.btn-sm {
    padding: 6px 14px;
    font-size: var(--font-size-small);
}

.btn-lg {
    padding: 14px 32px;
    font-size: var(--font-size-body);
}

.btn-block {
    display: flex;
    width: 100%;
    justify-content: center;
    padding: var(--spacing-12);
}

.btn:disabled {
    opacity: 0.5;
    pointer-events: none;
}

/* ============================================================ */
/* BADGES                                                       */
/* ============================================================ */
.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: var(--font-size-caption);
    font-weight: var(--font-weight-medium);
    background: var(--color-background);
    color: var(--color-muted);
    border: 1px solid var(--color-border);
}

.badge-primary {
    background: var(--color-primary-light);
    color: var(--color-primary);
    border-color: var(--color-primary-light);
}

.badge-success {
    background: var(--color-success-light);
    color: var(--color-success);
    border-color: var(--color-success-light);
}

.badge-warning {
    background: var(--color-warning-light);
    color: var(--color-warning);
    border-color: var(--color-warning-light);
}

.badge-danger {
    background: var(--color-danger-light);
    color: var(--color-danger);
    border-color: var(--color-danger-light);
}

.badge-lg {
    padding: 6px 16px;
    font-size: var(--font-size-small);
}

.badge-sm {
    padding: 2px 10px;
    font-size: 10px;
}

/* ============================================================ */
/* ANNOUNCEMENT BAR                                             */
/* ============================================================ */
.announcement {
    background: var(--color-dark);
    color: #fff;
    text-align: center;
    padding: var(--spacing-8) var(--spacing-16);
    font-size: var(--font-size-small);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-12);
    flex-wrap: wrap;
}

.announcement-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-8);
    flex-wrap: wrap;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-16);
}

.announcement-icon {
    font-size: 16px;
}

.announcement-text {
    color: rgba(255, 255, 255, 0.85);
}

.announcement-link {
    color: var(--color-accent);
    font-weight: var(--font-weight-semibold);
    transition: opacity var(--transition-fast);
}

.announcement-link:hover {
    text-decoration: underline;
    opacity: 0.8;
}

.announcement-dismiss {
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    padding: var(--spacing-4);
    transition: color var(--transition-fast);
    display: flex;
    align-items: center;
}

.announcement-dismiss:hover {
    color: #fff;
}

/* ============================================================ */
/* NAVIGATION                                                   */
/* ============================================================ */
.navbar {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: box-shadow var(--transition-md);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.navbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-4) 0;
    gap: var(--spacing-16);
}

/* ===== LOGO ===== */
.logo-large img {
    width: 160px;
    /* height: 200px; */
    object-fit: contain;
    display: block;
}

/* to be removed  */
.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-12);
    flex-shrink: 0;
    transition: opacity var(--transition-fast);
}

.logo:hover {
    opacity: 0.85;
}

.logo-mark {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
}

.logo-mark svg {
    width: 100%;
    height: 100%;
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.logo-name {
    font-size: 20px;
    font-weight: var(--font-weight-bold);
    color: var(--color-dark);
    letter-spacing: -0.02em;
}

.logo-highlight {
    color: var(--color-primary);
}

.logo-tagline {
    font-size: 10px;
    font-weight: var(--font-weight-medium);
    color: var(--color-muted);
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

/* ===== DESKTOP NAVIGATION ===== */
.nav-primary {
    display: flex;
    align-items: center;
    flex: 1;
    justify-content: center;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-8);
    padding: var(--spacing-8) var(--spacing-16);
    border-radius: var(--radius-md);
    font-size: var(--font-size-small);
    font-weight: var(--font-weight-medium);
    color: var(--color-body);
    transition: all var(--transition-md);
    position: relative;
}

.nav-link .nav-icon {
    display: flex;
    align-items: center;
    opacity: 0.5;
    transition: opacity var(--transition-md);
}

.nav-link:hover {
    color: var(--color-primary);
    background: var(--color-background);
}

.nav-link:hover .nav-icon {
    opacity: 1;
}

.nav-item.active .nav-link {
    color: var(--color-primary);
    background: var(--color-primary-light);
}

.nav-item.active .nav-link .nav-icon {
    opacity: 1;
}

.nav-item.active .nav-link::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 3px;
    background: var(--color-primary);
    border-radius: 2px 2px 0 0;
}

/* ===== NAV ACTIONS ===== */
.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-8);
    flex-shrink: 0;
}

.nav-action-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-8);
}

.nav-cta {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

.nav-cta:hover {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    transform: scale(1.02);
    box-shadow: var(--shadow-md);
}

/* ===== MOBILE TOGGLE ===== */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--spacing-8);
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
    flex-shrink: 0;
    background: transparent;
    border: none;
    cursor: pointer;
}

.nav-toggle:hover {
    background: var(--color-background);
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-dark);
    border-radius: 2px;
    transition: all var(--transition-md);
    transform-origin: center;
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================================ */
/* MOBILE MENU                                                  */
/* ============================================================ */

/* ===== OVERLAY ===== */
.mobile-menu-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.mobile-menu-overlay.active {
    display: block !important;
    opacity: 1;
    visibility: visible;
}

/* ===== PANEL ===== */
.mobile-menu-panel {
    position: fixed;
    top: 0;
    right: 0;
    width: 320px;
    max-width: 85vw;
    height: 100vh;
    background: var(--color-card);
    box-shadow: -8px 0 30px rgba(0, 0, 0, 0.1);
    z-index: 10000;
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
    overflow-x: hidden;
    padding: var(--spacing-24);
    padding-top: var(--spacing-16);
    display: flex;
    flex-direction: column;
}

.mobile-menu-overlay.active .mobile-menu-panel {
    transform: translateX(0);
}

/* ===== CLOSE BUTTON ===== */
.mobile-menu-close {
    align-self: flex-end;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--color-background);
    border: 1px solid var(--color-border);
    color: var(--color-dark);
    cursor: pointer;
    transition: all 0.2s ease;
    flex-shrink: 0;
    margin-bottom: var(--spacing-16);
}

.mobile-menu-close:hover {
    background: var(--color-danger-light);
    color: var(--color-danger);
    border-color: var(--color-danger);
}

.mobile-menu-close svg {
    width: 20px;
    height: 20px;
}

/* ===== MOBILE LOGO ===== */
.mobile-menu-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-12);
    font-size: 22px;
    font-weight: var(--font-weight-bold);
    color: var(--color-dark);
    padding-bottom: var(--spacing-16);
    border-bottom: 1px solid var(--color-border);
    margin-bottom: var(--spacing-20);
}

.mobile-menu-logo .logo-highlight {
    color: var(--color-primary);
}

/* ===== NAVIGATION LINKS ===== */
.mobile-menu-nav {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
    flex: 1;
}

.mobile-menu-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-12);
    padding: var(--spacing-14) var(--spacing-12);
    font-size: var(--font-size-body);
    font-weight: var(--font-weight-medium);
    color: var(--color-body);
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
    text-decoration: none;
}

.mobile-menu-link:hover {
    background: var(--color-background);
    color: var(--color-primary);
}

.mobile-menu-link.active {
    background: var(--color-primary-light);
    color: var(--color-primary);
}

.mobile-menu-link .icon {
    font-size: 20px;
    width: 32px;
    text-align: center;
}

.mobile-menu-link .arrow {
    margin-left: auto;
    color: var(--color-muted);
    font-size: 16px;
    transition: transform 0.2s ease;
}

.mobile-menu-link:hover .arrow {
    transform: translateX(4px);
}

/* ===== MOBILE ACTIONS ===== */
.mobile-menu-actions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-8);
    padding: var(--spacing-20) 0;
    border-top: 1px solid var(--color-border);
    margin-top: auto;
}

.mobile-menu-actions .btn {
    justify-content: center;
    padding: var(--spacing-12);
}

/* ===== MOBILE FOOTER ===== */
.mobile-menu-footer {
    padding-top: var(--spacing-12);
    text-align: center;
    font-size: var(--font-size-caption);
    color: var(--color-muted);
}

/* ============================================================ */
/* HERO                                                         */
/* ============================================================ */
.hero {
    padding: var(--spacing-48) 0 var(--spacing-64);
    background: linear-gradient(180deg, var(--color-background) 0%, #fff 100%);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-48);
    align-items: center;
}

.hero-content {
    max-width: 560px;
}

.hero-badge {
    display: inline-block;
    padding: 4px 16px;
    background: var(--color-primary-light);
    color: var(--color-primary);
    border-radius: var(--radius-full);
    font-size: var(--font-size-small);
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--spacing-16);
}

.hero h1 {
    margin-bottom: var(--spacing-16);
}

.hero .highlight {
    color: var(--color-primary);
}

.hero-sub {
    font-size: 18px;
    color: var(--color-muted);
    margin-bottom: var(--spacing-24);
}

.hero-actions {
    display: flex;
    gap: var(--spacing-12);
    margin-bottom: var(--spacing-24);
    flex-wrap: wrap;
}

.hero-meta {
    display: flex;
    gap: var(--spacing-24);
    padding-top: var(--spacing-16);
    border-top: 1px solid var(--color-border);
    margin-bottom: var(--spacing-16);
    flex-wrap: wrap;
}

.hero-meta span {
    font-size: var(--font-size-small);
    color: var(--color-muted);
}

.hero-meta strong {
    color: var(--color-dark);
    font-weight: var(--font-weight-semibold);
}

.hero-trust {
    display: flex;
    gap: var(--spacing-16);
    flex-wrap: wrap;
}

.hero-trust span {
    font-size: var(--font-size-small);
    padding: 4px 12px;
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
}

.hero-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-banner {
    width: 100%;
    max-width: 500px;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-background));
    box-shadow: var(--shadow-xl);
    position: relative;
}

.hero-banner-img {
    width: 100%;
    height: auto;
    display: block;
}

.hero-banner-overlay {
    position: absolute;
    top: var(--spacing-16);
    right: var(--spacing-16);
    display: flex;
    gap: var(--spacing-8);
    flex-wrap: wrap;
}

/* ===== HERO CENTERED (for internal pages) ===== */
.hero-centered {
    text-align: center;
}

.hero-centered .hero-content {
    max-width: 100%;
    margin: 0 auto;
}

.hero-centered .hero-sub {
    max-width: 640px;
    margin: 0 auto var(--spacing-24);
}

.hero-centered .hero-actions {
    justify-content: center;
}

.hero-centered .hero-meta {
    justify-content: center;
}

.hero-centered .hero-trust {
    justify-content: center;
}

/* ============================================================ */
/* TRUSTED BY                                                   */
/* ============================================================ */
.trusted-by {
    padding: var(--spacing-32) 0;
    background: var(--color-card);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.trusted-label {
    text-align: center;
    font-size: var(--font-size-caption);
    font-weight: var(--font-weight-semibold);
    letter-spacing: 0.08em;
    color: var(--color-muted);
    margin-bottom: var(--spacing-16);
}

.trusted-logos {
    display: flex;
    justify-content: center;
    gap: var(--spacing-32);
    flex-wrap: wrap;
    opacity: 0.5;
    font-size: var(--font-size-small);
    font-weight: var(--font-weight-medium);
}

/* ============================================================ */
/* SECTION HEADERS                                              */
/* ============================================================ */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-32);
}

.section-tag {
    display: inline-block;
    font-size: var(--font-size-caption);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-primary);
    margin-bottom: var(--spacing-8);
}

.section-header .h2 {
    margin-bottom: var(--spacing-8);
}

.section-header .text-muted {
    font-size: var(--font-size-body);
}

/* ============================================================ */
/* TOOLS GRID                                                   */
/* ============================================================ */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-16);
}

.tool-card {
    background: var(--color-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-24);
    border: 1px solid var(--color-border);
    text-align: center;
    transition: all var(--transition-md);
    cursor: pointer;
    text-decoration: none;
    color: inherit;
    display: block;
}

.tool-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-lg);
}

.tool-icon {
    font-size: 32px;
    display: block;
    margin-bottom: var(--spacing-12);
}

.tool-card h5 {
    margin-bottom: var(--spacing-4);
}

.tool-card .badge {
    margin-top: var(--spacing-8);
}

/* ============================================================ */
/* CATEGORIES GRID                                              */
/* ============================================================ */
.categories-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-16);
}

.category-card {
    background: var(--color-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-24);
    border: 1px solid var(--color-border);
    text-align: center;
    transition: all var(--transition-md);
}

.category-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-lg);
}

.category-icon {
    font-size: 32px;
    display: block;
    margin-bottom: var(--spacing-8);
}

.category-card h5 {
    margin-bottom: var(--spacing-4);
}

/* ============================================================ */
/* FEATURES GRID                                                */
/* ============================================================ */
.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-24);
}

.feature-card {
    background: var(--color-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-24);
    border: 1px solid var(--color-border);
    text-align: center;
    transition: all var(--transition-md);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    font-size: 32px;
    display: block;
    margin-bottom: var(--spacing-8);
}

.feature-card h5 {
    margin-bottom: var(--spacing-4);
}

/* ============================================================ */
/* BEFORE / AFTER                                               */
/* ============================================================ */
.before-after-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-24);
}

.before-after-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-16);
}

.before-after-image {
    border-radius: var(--radius-lg);
    padding: var(--spacing-32);
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    border: 1px solid var(--color-border);
}

.before-after-label {
    position: absolute;
    top: var(--spacing-12);
    left: var(--spacing-12);
    padding: 4px 12px;
    border-radius: var(--radius-sm);
    font-size: var(--font-size-caption);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
}

.before-after-label.before {
    background: var(--color-background);
    color: var(--color-muted);
}

.before-after-label.after {
    background: var(--color-primary);
    color: #fff;
}

.before-after-content {
    text-align: center;
}

.before-after-content svg {
    margin-bottom: var(--spacing-8);
}

/* ============================================================ */
/* STEPS GRID                                                   */
/* ============================================================ */
.steps-grid {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-12);
}

.step-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-16);
    padding: var(--spacing-20) var(--spacing-24);
    background: var(--color-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    flex: 1;
    max-width: 280px;
}

.step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--color-primary);
    color: #fff;
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-body);
    flex-shrink: 0;
}

.step-content h5 {
    margin-bottom: var(--spacing-4);
}

.step-arrow {
    font-size: 24px;
    color: var(--color-border);
    padding: 0 var(--spacing-4);
}

/* ============================================================ */
/* FORMATS GRID                                                 */
/* ============================================================ */
.formats-grid {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-8);
    justify-content: center;
}

/* ============================================================ */
/* STATS GRID                                                   */
/* ============================================================ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-24);
    text-align: center;
    padding: var(--spacing-40);
    background: var(--color-card);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--color-border);
}

.stat-number {
    display: block;
    font-size: 36px;
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
}

.stat-label {
    display: block;
    font-size: var(--font-size-small);
    color: var(--color-muted);
    margin-top: var(--spacing-4);
}

/* ============================================================ */
/* TESTIMONIALS                                                 */
/* ============================================================ */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-24);
}

.testimonial-card {
    background: var(--color-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-24);
    border: 1px solid var(--color-border);
    transition: all var(--transition-md);
}

.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.testimonial-stars {
    color: #F59E0B;
    font-size: var(--font-size-small);
    letter-spacing: 2px;
    margin-bottom: var(--spacing-12);
}

.testimonial-text {
    font-size: 15px;
    line-height: 1.6;
    color: var(--color-dark);
    margin-bottom: var(--spacing-16);
}

.testimonial-author .author-name {
    display: block;
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-small);
}

.testimonial-author .author-title {
    display: block;
    font-size: var(--font-size-small);
    color: var(--color-muted);
}

/* ============================================================ */
/* BLOG GRID                                                    */
/* ============================================================ */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-24);
}

.blog-card {
    background: var(--color-card);
    border-radius: var(--radius-lg);
    padding: var(--spacing-24);
    border: 1px solid var(--color-border);
    transition: all var(--transition-md);
}

.blog-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.blog-image {
    height: 120px;
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-12);
}

.blog-card .badge {
    margin-bottom: var(--spacing-8);
}

.blog-card h5 {
    margin-bottom: var(--spacing-4);
}

.blog-read-more {
    display: inline-block;
    margin-top: var(--spacing-8);
    font-size: var(--font-size-small);
    font-weight: var(--font-weight-medium);
    color: var(--color-primary);
}

.blog-read-more:hover {
    text-decoration: underline;
}

/* ============================================================ */
/* API CTA                                                      */
/* ============================================================ */
.api-cta {
    text-align: center;
    padding: var(--spacing-48);
    background: var(--color-background);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.api-cta .h3 {
    margin-top: var(--spacing-12);
}

.api-cta .body {
    margin: var(--spacing-8) auto var(--spacing-24);
    max-width: 480px;
}

.api-actions {
    display: flex;
    gap: var(--spacing-12);
    justify-content: center;
    flex-wrap: wrap;
}

/* ============================================================ */
/* FAQ GRID                                                     */
/* ============================================================ */
.faq-grid {
    max-width: 720px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--color-border);
    padding: var(--spacing-16) 0;
}

.faq-item:last-child {
    border-bottom: none;
}

.faq-item details summary {
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    padding: var(--spacing-8) 0;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-item details summary::-webkit-details-marker {
    display: none;
}

.faq-item details summary::after {
    content: '+';
    font-size: 20px;
    color: var(--color-muted);
    transition: transform var(--transition-md);
}

.faq-item details[open] summary::after {
    content: '−';
}

.faq-item details summary:hover {
    color: var(--color-primary);
}

.faq-item details p {
    padding: var(--spacing-8) 0 var(--spacing-4);
    color: var(--color-muted);
    font-size: var(--font-size-small);
    line-height: 1.6;
}

/* ============================================================ */
/* CTA CARD                                                     */
/* ============================================================ */
.cta-card {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    border-radius: var(--radius-2xl);
    padding: var(--spacing-64) var(--spacing-48);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.05) 0%, transparent 70%);
    pointer-events: none;
}

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

.cta-card .h2 {
    color: #fff;
    margin-bottom: var(--spacing-8);
}

.cta-card .body {
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: var(--spacing-24);
}

.cta-actions {
    display: flex;
    gap: var(--spacing-12);
    justify-content: center;
    flex-wrap: wrap;
}

.cta-card .btn-primary {
    background: #fff;
    color: var(--color-primary);
    border: none;
}

.cta-card .btn-primary:hover {
    background: var(--color-background);
    transform: scale(1.02);
}

.cta-card .btn-secondary {
    background: transparent;
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.cta-card .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
}

.cta-note {
    font-size: var(--font-size-small);
    color: rgba(255, 255, 255, 0.7);
    margin-top: var(--spacing-16);
}

/* ============================================================ */
/* FOOTER                                                       */
/* ============================================================ */
.footer {
    padding: var(--spacing-48) 0 var(--spacing-24);
    border-top: 1px solid var(--color-border);
    background: var(--color-card);
    margin-top: var(--spacing-24);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-32);
}

.footer-brand {
    display: flex;
    flex-direction: column;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-8);
    font-size: 24px;
    font-weight: var(--font-weight-bold);
    color: var(--color-dark);
}

.footer-description {
    margin-top: var(--spacing-8);
    font-size: var(--font-size-small);
    color: var(--color-muted);
    max-width: 300px;
}

.footer-social {
    display: flex;
    gap: var(--spacing-12);
    margin-top: var(--spacing-16);
}

.footer-social a {
    font-size: 20px;
    opacity: 0.6;
    transition: opacity var(--transition-fast);
}

.footer-social a:hover {
    opacity: 1;
}

.footer h5 {
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-small);
    margin-bottom: var(--spacing-8);
}

.footer ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
}

.footer ul a {
    font-size: var(--font-size-small);
    color: var(--color-muted);
    transition: color var(--transition-fast);
}

.footer ul a:hover {
    color: var(--color-primary);
}

.footer-bottom {
    margin-top: var(--spacing-32);
    padding-top: var(--spacing-16);
    border-top: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-12);
}

.footer-bottom .caption {
    color: var(--color-muted);
}

.back-to-top {
    color: var(--color-muted);
    transition: color var(--transition-fast);
}

.back-to-top:hover {
    color: var(--color-primary);
}

/* ============================================================ */
/* LEGAL PAGES CARD                                             */
/* ============================================================ */
.card-legal {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-40);
    background: var(--color-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.card-legal h3 {
    margin-bottom: var(--spacing-8);
}

.card-legal h3.h4 {
    margin-top: var(--spacing-24);
}

.card-legal h3.h4:first-of-type {
    margin-top: 0;
}

.card-legal p {
    margin-bottom: var(--spacing-16);
    color: var(--color-muted);
    line-height: 1.7;
}

.card-legal ul {
    list-style: disc;
    padding-left: var(--spacing-24);
    margin-bottom: var(--spacing-16);
}

.card-legal ul li {
    margin-bottom: var(--spacing-4);
    color: var(--color-muted);
    line-height: 1.6;
}

.card-legal .divider {
    margin-top: var(--spacing-32);
    padding-top: var(--spacing-16);
    border-top: 1px solid var(--color-border);
}

.card-legal .divider p {
    margin-bottom: 0;
    font-size: var(--font-size-caption);
}

/* ============================================================ */
/* SITEMAP                                                      */
/* ============================================================ */
.sitemap-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-32);
}

.sitemap-card {
    background: var(--color-card);
    padding: var(--spacing-24);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
}

.sitemap-card h5 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-12);
    font-size: var(--font-size-body);
}

.sitemap-card ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
}

.sitemap-card ul a {
    font-size: var(--font-size-small);
    color: var(--color-muted);
    transition: color var(--transition-fast);
}

.sitemap-card ul a:hover {
    color: var(--color-primary);
}

.sitemap-card ul span {
    font-size: var(--font-size-small);
    color: var(--color-muted);
}

/* ============================================================ */
/* 404 PAGE                                                     */
/* ============================================================ */
.error-404 {
    min-height: 60vh;
    display: flex;
    align-items: center;
}

.error-404 .hero-badge {
    font-size: 48px;
    padding: 8px 24px;
    background: var(--color-danger-light);
    color: var(--color-danger);
    border-radius: var(--radius-full);
}

.error-404 .hero-trust a {
    color: var(--color-primary);
    font-weight: var(--font-weight-medium);
}

.error-404 .hero-trust a:hover {
    text-decoration: underline;
}

/* ============================================================ */
/* UTILITIES                                                    */
/* ============================================================ */

/* ===== MARGIN ===== */
.mt-8 { margin-top: var(--spacing-8); }
.mt-12 { margin-top: var(--spacing-12); }
.mt-16 { margin-top: var(--spacing-16); }
.mt-24 { margin-top: var(--spacing-24); }
.mt-32 { margin-top: var(--spacing-32); }
.mt-48 { margin-top: var(--spacing-48); }

.mb-8 { margin-bottom: var(--spacing-8); }
.mb-12 { margin-bottom: var(--spacing-12); }
.mb-16 { margin-bottom: var(--spacing-16); }
.mb-24 { margin-bottom: var(--spacing-24); }
.mb-32 { margin-bottom: var(--spacing-32); }

.mx-auto {
    margin-left: auto;
    margin-right: auto;
}

/* ===== PADDING ===== */
.p-16 { padding: var(--spacing-16); }
.p-24 { padding: var(--spacing-24); }
.p-32 { padding: var(--spacing-32); }
.p-40 { padding: var(--spacing-40); }
.p-48 { padding: var(--spacing-48); }

/* ===== MAX-WIDTH ===== */
.max-w-720 {
    max-width: 720px;
}

.max-w-640 {
    max-width: 640px;
}

.max-w-560 {
    max-width: 560px;
}

/* ===== FLEXBOX ===== */
.flex {
    display: flex;
}

.flex-col {
    flex-direction: column;
}

.items-center {
    align-items: center;
}

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

.justify-between {
    justify-content: space-between;
}

.gap-8 { gap: var(--spacing-8); }
.gap-12 { gap: var(--spacing-12); }
.gap-16 { gap: var(--spacing-16); }
.gap-24 { gap: var(--spacing-24); }
.gap-32 { gap: var(--spacing-32); }

/* ===== GRID ===== */
.grid-12 {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: var(--spacing-24);
}

.col-span-3 {
    grid-column: span 3;
}

.col-span-4 {
    grid-column: span 4;
}

.col-span-6 {
    grid-column: span 6;
}

.col-span-8 {
    grid-column: span 8;
}

.col-span-12 {
    grid-column: span 12;
}

/* ===== OTHER UTILITIES ===== */
.w-full {
    width: 100%;
}

.h-full {
    height: 100%;
}

.bg-white {
    background: var(--color-card);
}

.bg-muted {
    background: var(--color-background);
}

.border {
    border: 1px solid var(--color-border);
}

.border-t {
    border-top: 1px solid var(--color-border);
}

.rounded {
    border-radius: var(--radius-md);
}

.rounded-lg {
    border-radius: var(--radius-lg);
}

.shadow-sm {
    box-shadow: var(--shadow-sm);
}

.shadow-md {
    box-shadow: var(--shadow-md);
}

.relative {
    position: relative;
}

.absolute {
    position: absolute;
}

.overflow-hidden {
    overflow: hidden;
}

.text-center {
    text-align: center;
}

/* ============================================================ */
/* RESPONSIVE - CORE                                           */
/* ============================================================ */

/* Tablet (1024px and below) */
@media (max-width: 1024px) {
    .nav-primary {
        display: none !important;
    }
    
    .nav-toggle {
        display: flex !important;
    }
    
    .nav-actions .nav-action-btn:not(.nav-cta) {
        display: none;
    }
    
    .mobile-menu-overlay {
        display: block !important;
    }
    
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content {
        max-width: 100%;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .hero-meta {
        justify-content: center;
    }
    
    .hero-trust {
        justify-content: center;
    }
    
    .hero-banner {
        max-width: 100%;
    }
    
    .tools-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        padding: var(--spacing-32);
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .blog-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .sitemap-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Mobile (768px and below) */
@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-16);
    }
    
    .h1 {
        font-size: 36px;
    }
    
    .h2 {
        font-size: 28px;
    }
    
    .hero {
        padding: var(--spacing-32) 0 var(--spacing-48);
    }
    
    .hero h1 {
        font-size: 32px;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }
    
    .hero-actions .btn {
        justify-content: center;
    }
    
    .hero-meta {
        flex-direction: column;
        gap: var(--spacing-8);
    }
    
    .tools-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .categories-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .steps-grid {
        flex-direction: column;
    }
    
    .step-card {
        max-width: 100%;
        width: 100%;
    }
    
    .step-arrow {
        transform: rotate(90deg);
    }
    
    .stats-grid {
        grid-template-columns: 1fr 1fr;
        padding: var(--spacing-24);
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .blog-grid {
        grid-template-columns: 1fr;
    }
    
    .before-after-card {
        grid-template-columns: 1fr;
    }
    
    .cta-card {
        padding: var(--spacing-32) var(--spacing-16);
    }
    
    .cta-actions {
        flex-direction: column;
        align-items: stretch;
    }
    
    .cta-actions .btn {
        justify-content: center;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-description {
        max-width: 100%;
        margin-left: auto;
        margin-right: auto;
    }
    
    .footer-social {
        justify-content: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .api-cta {
        padding: var(--spacing-24);
    }
    
    .api-actions {
        flex-direction: column;
        align-items: stretch;
    }
    
    .api-actions .btn {
        justify-content: center;
    }
    
    .logo-mark {
        width: 32px;
        height: 32px;
    }
    
    .logo-name {
        font-size: 18px;
    }
    
    .logo-tagline {
        font-size: 9px;
    }
    
    .announcement-text {
        font-size: 12px;
    }
    
    .mobile-menu-panel {
        max-width: 100%;
        padding: var(--spacing-16);
    }
    
    .sitemap-grid {
        grid-template-columns: 1fr;
    }
    
    .card-legal {
        padding: var(--spacing-24);
        margin: 0 var(--spacing-16);
    }
    
    .error-404 .hero-badge {
        font-size: 36px;
        padding: 6px 18px;
    }
}

/* Small Mobile (480px and below) */
@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-12);
    }
    
    .h1 {
        font-size: 28px;
    }
    
    .h2 {
        font-size: 24px;
    }
    
    .hero h1 {
        font-size: 28px;
    }
    
    .hero-sub {
        font-size: var(--font-size-body);
    }
    
    .tools-grid {
        grid-template-columns: 1fr;
    }
    
    .categories-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        padding: var(--spacing-16);
    }
    
    .stat-number {
        font-size: 28px;
    }
    
    .hero-banner-overlay {
        top: var(--spacing-8);
        right: var(--spacing-8);
    }
    
    .hero-banner-overlay .badge {
        font-size: var(--font-size-caption);
        padding: 2px 8px;
    }
    
    section {
        padding: var(--spacing-32) 0;
    }
    
    .logo-text .logo-tagline {
        display: none !important;
    }
    
    .logo-name {
        font-size: 16px;
    }
    
    .logo-mark {
        width: 28px;
        height: 28px;
    }
    
    .announcement-inner {
        gap: var(--spacing-4);
        font-size: 12px;
    }
    
    .announcement-link {
        font-size: 12px;
    }
    
    .mobile-menu-close {
        width: 34px;
        height: 34px;
    }
    
    .mobile-menu-close svg {
        width: 18px;
        height: 18px;
    }
    
    .card-legal {
        padding: var(--spacing-16);
        margin: 0 var(--spacing-8);
    }
    
    .error-404 .hero-badge {
        font-size: 28px;
        padding: 4px 12px;
    }
    
    .sitemap-card {
        padding: var(--spacing-16);
    }
}

/* ============================================================ */
/* SCROLLBAR                                                    */
/* ============================================================ */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-background);
}

::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-muted);
}