/* ============================================
   TEAMGROW UNIFIED DESIGN SYSTEM V4
   Complete Redesign - January 2026
   ============================================ */

/* ==========================================
   1. CSS RESET & BASE
   ========================================== */

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.6;
    color: #1e293b;
    background-color: #ffffff;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ==========================================
   2. CSS CUSTOM PROPERTIES (DESIGN TOKENS)
   ========================================== */

:root {
    /* Brand Colors */
    --color-primary: #1e293b;
    --color-primary-light: #334155;
    --color-primary-dark: #0f172a;

    --color-accent: #a855f7;
    --color-accent-light: #c084fc;
    --color-accent-dark: #9333ea;

    --color-secondary: #3b82f6;
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-error: #ef4444;

    /* Neutrals */
    --color-white: #ffffff;
    --color-gray-50: #f8fafc;
    --color-gray-100: #f1f5f9;
    --color-gray-200: #e2e8f0;
    --color-gray-300: #cbd5e1;
    --color-gray-400: #94a3b8;
    --color-gray-500: #64748b;
    --color-gray-600: #475569;
    --color-gray-700: #334155;
    --color-gray-800: #1e293b;
    --color-gray-900: #0f172a;

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Outfit', 'Inter', sans-serif;

    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    --text-6xl: 3.75rem;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;

    /* Layout */
    --container-max: 1200px;
    --container-narrow: 800px;
    --container-wide: 1400px;
    --container-padding: clamp(1rem, 5vw, 2rem);

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;

    /* Z-Index */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal-backdrop: 400;
    --z-modal: 500;
    --z-popover: 600;
    --z-tooltip: 700;
}

/* ==========================================
   3. TYPOGRAPHY
   ========================================== */

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-gray-900);
    margin-bottom: var(--space-4);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 800;
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(2rem, 4vw, 2.75rem);
    letter-spacing: -0.01em;
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

h4 {
    font-size: var(--text-xl);
}

h5 {
    font-size: var(--text-lg);
}

h6 {
    font-size: var(--text-base);
    font-weight: 600;
}

p {
    margin-bottom: var(--space-4);
    color: var(--color-gray-600);
}

p:last-child {
    margin-bottom: 0;
}

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

a:hover {
    color: var(--color-accent-dark);
}

strong,
b {
    font-weight: 600;
}

small {
    font-size: var(--text-sm);
}

/* ==========================================
   4. LAYOUT UTILITIES
   ========================================== */

.container {
    width: 100%;
    max-width: var(--container-max);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
}

.container-narrow {
    max-width: var(--container-narrow);
}

.container-wide {
    max-width: var(--container-wide);
}

.section {
    padding-top: var(--space-20);
    padding-bottom: var(--space-20);
}

.section-sm {
    padding-top: var(--space-12);
    padding-bottom: var(--space-12);
}

.section-lg {
    padding-top: var(--space-24);
    padding-bottom: var(--space-24);
}

/* Grid */
.grid {
    display: grid;
    gap: var(--space-6);
}

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

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 1024px) {
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }

    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {

    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
}

/* 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-2 {
    gap: var(--space-2);
}

.gap-4 {
    gap: var(--space-4);
}

.gap-6 {
    gap: var(--space-6);
}

.gap-8 {
    gap: var(--space-8);
}

/* ==========================================
   5. NAVBAR (UNIFIED)
   ========================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-fixed);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-gray-100);
    transition: all var(--transition-base);
}

.navbar-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.navbar-logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--color-gray-900);
    text-decoration: none;
}

.navbar-logo img {
    height: 32px;
    width: auto;
}

.navbar-nav {
    display: flex;
    align-items: center;
    gap: var(--space-8);
    list-style: none;
}

.navbar-link {
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-gray-600);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.navbar-link:hover {
    color: var(--color-gray-900);
}

.navbar-cta {
    display: inline-flex;
    align-items: center;
    padding: var(--space-2) var(--space-5);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-white);
    background: var(--color-gray-900);
    border-radius: var(--radius-full);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.navbar-cta:hover {
    background: var(--color-gray-700);
    color: var(--color-white);
    transform: translateY(-1px);
}

/* Mobile Menu Toggle */
.navbar-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-2);
    background: none;
    border: none;
    cursor: pointer;
}

.navbar-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-gray-900);
    transition: all var(--transition-fast);
}

@media (max-width: 768px) {
    .navbar-nav {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        flex-direction: column;
        gap: 0;
        padding: var(--space-4);
        background: var(--color-white);
        border-bottom: 1px solid var(--color-gray-100);
        box-shadow: var(--shadow-lg);
    }

    .navbar-nav.active {
        display: flex;
    }

    .navbar-nav li {
        width: 100%;
    }

    .navbar-link {
        display: block;
        padding: var(--space-3) 0;
        border-bottom: 1px solid var(--color-gray-100);
    }

    .navbar-cta {
        width: 100%;
        justify-content: center;
        margin-top: var(--space-4);
    }

    .navbar-toggle {
        display: flex;
    }
}

/* ==========================================
   6. 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-sans);
    font-size: var(--text-sm);
    font-weight: 600;
    line-height: 1.5;
    text-decoration: none;
    border: 2px solid transparent;
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn:focus-visible {
    outline: 3px solid var(--color-accent);
    outline-offset: 2px;
}

.btn-primary {
    color: var(--color-white);
    background: var(--color-gray-900);
    border-color: var(--color-gray-900);
}

.btn-primary:hover {
    background: var(--color-gray-700);
    border-color: var(--color-gray-700);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    color: var(--color-gray-900);
    background: var(--color-white);
    border-color: var(--color-gray-200);
}

.btn-secondary:hover {
    background: var(--color-gray-50);
    border-color: var(--color-gray-300);
    color: var(--color-gray-900);
}

.btn-accent {
    color: var(--color-white);
    background: var(--color-accent);
    border-color: var(--color-accent);
}

.btn-accent:hover {
    background: var(--color-accent-dark);
    border-color: var(--color-accent-dark);
    color: var(--color-white);
    transform: translateY(-2px);
}

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-base);
}

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

.btn-icon {
    padding: var(--space-3);
}

/* ==========================================
   7. CARDS
   ========================================== */

.card {
    background: var(--color-white);
    border: 1px solid var(--color-gray-100);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    transition: all var(--transition-base);
}

.card:hover {
    border-color: var(--color-gray-200);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.card-header {
    margin-bottom: var(--space-4);
}

.card-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    margin-bottom: var(--space-4);
    background: var(--color-gray-50);
    border-radius: var(--radius-lg);
    color: var(--color-accent);
}

.card-title {
    font-size: var(--text-lg);
    font-weight: 600;
    margin-bottom: var(--space-2);
}

.card-text {
    font-size: var(--text-sm);
    color: var(--color-gray-500);
}

/* Feature Card Variant */
.card-feature {
    text-align: center;
    padding: var(--space-8);
}

.card-feature .card-icon {
    width: 64px;
    height: 64px;
    margin-left: auto;
    margin-right: auto;
    font-size: var(--text-2xl);
}

/* Pricing Card Variant */
.card-pricing {
    position: relative;
    padding: var(--space-8);
}

.card-pricing.featured {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 1px var(--color-accent);
}

.card-pricing .badge {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translate(-50%, -50%);
    padding: var(--space-1) var(--space-4);
    font-size: var(--text-xs);
    font-weight: 600;
    color: var(--color-white);
    background: var(--color-accent);
    border-radius: var(--radius-full);
}

.card-pricing .price {
    font-family: var(--font-display);
    font-size: var(--text-4xl);
    font-weight: 800;
    color: var(--color-gray-900);
}

.card-pricing .price span {
    font-size: var(--text-base);
    font-weight: 400;
    color: var(--color-gray-500);
}

/* ==========================================
   8. HERO SECTIONS
   ========================================== */

.hero {
    position: relative;
    padding: calc(72px + var(--space-20)) 0 var(--space-20);
    overflow: hidden;
}

.hero-gradient {
    background: linear-gradient(180deg, var(--color-gray-50) 0%, var(--color-white) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    margin-bottom: var(--space-6);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-accent);
    background: rgba(168, 85, 247, 0.1);
    border-radius: var(--radius-full);
}

.hero-title {
    margin-bottom: var(--space-6);
}

.hero-subtitle {
    font-size: var(--text-xl);
    color: var(--color-gray-500);
    margin-bottom: var(--space-8);
    max-width: 600px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
}

.hero-stats {
    display: flex;
    gap: var(--space-12);
    margin-top: var(--space-16);
    padding-top: var(--space-8);
    border-top: 1px solid var(--color-gray-100);
}

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

.hero-stat-value {
    font-family: var(--font-display);
    font-size: var(--text-3xl);
    font-weight: 700;
    color: var(--color-gray-900);
}

.hero-stat-label {
    font-size: var(--text-sm);
    color: var(--color-gray-500);
}

@media (max-width: 768px) {
    .hero {
        padding: calc(72px + var(--space-12)) 0 var(--space-12);
    }

    .hero-stats {
        flex-direction: column;
        gap: var(--space-6);
        align-items: center;
    }
}

/* ==========================================
   9. SECTION HEADERS
   ========================================== */

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-16);
}

.section-header-left {
    text-align: left;
    margin-left: 0;
}

.section-label {
    display: inline-block;
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-4);
}

.section-title {
    margin-bottom: var(--space-4);
}

.section-subtitle {
    font-size: var(--text-lg);
    color: var(--color-gray-500);
}

/* ==========================================
   10. FORMS
   ========================================== */

.form-group {
    margin-bottom: var(--space-4);
}

.form-label {
    display: block;
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--color-gray-700);
    margin-bottom: var(--space-2);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-family: var(--font-sans);
    font-size: var(--text-base);
    color: var(--color-gray-900);
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(168, 85, 247, 0.1);
}

.form-input::placeholder {
    color: var(--color-gray-400);
}

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

/* Inline Form */
.form-inline {
    display: flex;
    gap: var(--space-3);
}

.form-inline .form-input {
    flex: 1;
}

@media (max-width: 480px) {
    .form-inline {
        flex-direction: column;
    }

    .form-inline .btn {
        width: 100%;
    }
}

/* ==========================================
   11. FOOTER
   ========================================== */

.footer {
    background: var(--color-gray-900);
    color: var(--color-white);
    padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: var(--space-12);
    margin-bottom: var(--space-12);
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-8);
    }
}

@media (max-width: 480px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

.footer-brand {
    max-width: 280px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--space-4);
}

.footer-logo img {
    height: 32px;
    filter: brightness(0) invert(1);
}

.footer-tagline {
    font-size: var(--text-sm);
    color: var(--color-gray-400);
    margin-bottom: var(--space-6);
}

.footer-social {
    display: flex;
    gap: var(--space-3);
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: var(--color-gray-400);
    background: var(--color-gray-800);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.footer-social a:hover {
    color: var(--color-white);
    background: var(--color-accent);
}

.footer-heading {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-white);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-4);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--space-2);
}

.footer-links a {
    font-size: var(--text-sm);
    color: var(--color-gray-400);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-white);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-8);
    border-top: 1px solid var(--color-gray-800);
    font-size: var(--text-sm);
    color: var(--color-gray-500);
}

@media (max-width: 768px) {
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-4);
        text-align: center;
    }
}

/* ==========================================
   12. BACKGROUND VARIANTS
   ========================================== */

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

.bg-gray {
    background-color: var(--color-gray-50);
}

.bg-dark {
    background-color: var(--color-gray-900);
    color: var(--color-white);
}

.bg-dark h1,
.bg-dark h2,
.bg-dark h3,
.bg-dark h4,
.bg-dark h5,
.bg-dark h6 {
    color: var(--color-white);
}

.bg-dark p {
    color: var(--color-gray-300);
}

.bg-gradient {
    background: linear-gradient(135deg, var(--color-gray-50) 0%, var(--color-white) 50%, var(--color-gray-50) 100%);
}

/* ==========================================
   13. UTILITIES
   ========================================== */

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

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

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

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

.text-muted {
    color: var(--color-gray-500);
}

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

.font-bold {
    font-weight: 700;
}

.font-semibold {
    font-weight: 600;
}

.font-medium {
    font-weight: 500;
}

.mt-0 {
    margin-top: 0;
}

.mt-4 {
    margin-top: var(--space-4);
}

.mt-8 {
    margin-top: var(--space-8);
}

.mt-12 {
    margin-top: var(--space-12);
}

.mt-16 {
    margin-top: var(--space-16);
}

.mb-0 {
    margin-bottom: 0;
}

.mb-4 {
    margin-bottom: var(--space-4);
}

.mb-8 {
    margin-bottom: var(--space-8);
}

.mb-12 {
    margin-bottom: var(--space-12);
}

.mb-16 {
    margin-bottom: var(--space-16);
}

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

.hidden {
    display: none;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* ==========================================
   14. ANIMATIONS
   ========================================== */

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

.animate-fade-in {
    animation: fadeIn 0.5s ease forwards;
}

.animate-fade-up {
    animation: fadeUp 0.5s ease forwards;
}

/* ==========================================
   15. RESPONSIVE VISIBILITY
   ========================================== */

@media (max-width: 768px) {
    .hide-mobile {
        display: none !important;
    }
}

@media (min-width: 769px) {
    .hide-desktop {
        display: none !important;
    }
}

/* ==========================================
   16. PRINT STYLES
   ========================================== */

@media print {

    .navbar,
    .footer,
    .btn {
        display: none !important;
    }

    body {
        color: #000;
        background: #fff;
    }

    a {
        color: #000;
        text-decoration: underline;
    }
}