/* ==========================================
   QUANTERA - Marketing Website Styles
   ========================================== */

/* CSS Variables */
:root {
    /* Premium Color Palette */
    --primary-red: #ef4444;
    --primary-pink: #ec4899;
    --accent-rose: #f43f5e;
    --accent-purple: #a855f7;
    --primary-blue: #3b82f6;
    --accent-cyan: #06b6d4;

    /* Black & Grays */
    --black: #000000;
    --bg-black: #0a0a0a;
    --bg-dark: #111111;
    --bg-darker: #0d0d0d;
    --bg-card: #151515;
    --border-dark: #1f1f1f;
    --border-lighter: #2a2a2a;

    /* Text Colors */
    --text-white: #ffffff;
    --text-gray: #a1a1a1;
    --text-light: #737373;
    --text-dim: #525252;

    /* Light Mode */
    --bg-white: #ffffff;
    --bg-light: #fafafa;
    --bg-gray: #f5f5f5;
    --border-color: #e5e5e5;
    --text-dark: #171717;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.2), 0 2px 4px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.3), 0 10px 10px -5px rgba(0, 0, 0, 0.1);
    --shadow-red: 0 0 40px rgba(239, 68, 68, 0.3);
    --shadow-pink: 0 0 40px rgba(236, 72, 153, 0.3);
    --shadow-glow: 0 0 80px rgba(236, 72, 153, 0.15);

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

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--black);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ==========================================
   NAVIGATION
   ========================================== */

.navbar {
    background-color: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(20px) saturate(180%);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1.25rem 0;
    border-bottom: 1px solid var(--border-dark);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand h1 {
    font-size: 1.75rem;
    background: linear-gradient(135deg, var(--primary-pink), var(--primary-red));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.nav-menu {
    display: flex;
    list-style: none;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-gray);
    font-weight: 500;
    transition: all 0.3s ease;
    font-size: 0.9375rem;
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 0.25rem;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--text-dark);
    border-radius: 2px;
    transition: 0.3s;
}

/* ==========================================
   BUTTONS
   ========================================== */

.btn {
    display: inline-block;
    padding: 0.875rem 1.75rem;
    border-radius: var(--radius-md);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    border: 2px solid transparent;
    text-align: center;
    font-size: 0.975rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-pink), var(--primary-red));
    color: var(--text-white);
    border: none;
    box-shadow: 0 4px 14px 0 rgba(236, 72, 153, 0.4);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary-red), var(--accent-rose));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.btn-primary:hover::before {
    opacity: 1;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(236, 72, 153, 0.5);
}

.btn-primary span,
.btn-primary {
    position: relative;
    z-index: 1;
}

.btn-secondary {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--text-white);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-1px);
}

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

.btn-outline:hover {
    background-color: var(--bg-light);
    border-color: var(--primary-blue);
    color: var(--primary-blue);
    transform: translateY(-1px);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

/* ==========================================
   HERO SECTION
   ========================================== */

.hero {
    padding: 8rem 0 7rem;
    background: var(--black);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -10%;
    width: 60%;
    height: 60%;
    background: radial-gradient(circle, rgba(236, 72, 153, 0.15) 0%, transparent 70%);
    filter: blur(60px);
    pointer-events: none;
    animation: pulse 8s ease-in-out infinite;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    right: -10%;
    width: 50%;
    height: 50%;
    background: radial-gradient(circle, rgba(239, 68, 68, 0.12) 0%, transparent 70%);
    filter: blur(60px);
    pointer-events: none;
    animation: pulse 8s ease-in-out infinite reverse;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

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

.hero-content {
    text-align: center;
    margin-bottom: 5rem;
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 800;
    color: var(--text-white);
    margin-bottom: 1.5rem;
    line-height: 1.1;
    letter-spacing: -0.03em;
}

.hero-title::after {
    content: '';
    display: block;
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-pink), var(--primary-red));
    margin: 1.5rem auto 0;
    border-radius: 2px;
}

.hero-subtitle {
    font-size: 1.375rem;
    color: var(--text-gray);
    max-width: 750px;
    margin: 0 auto 2.5rem;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Feature Cards */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}

.feature-card {
    background: linear-gradient(135deg, rgba(21, 21, 21, 0.6), rgba(31, 31, 31, 0.4));
    backdrop-filter: blur(10px);
    padding: 2.25rem 2rem;
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.08);
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(236, 72, 153, 0.5), transparent);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.feature-card:hover {
    background: linear-gradient(135deg, rgba(31, 31, 31, 0.7), rgba(41, 41, 41, 0.5));
    border-color: rgba(236, 72, 153, 0.3);
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(236, 72, 153, 0.1);
}

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

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1.25rem;
    filter: drop-shadow(0 4px 8px rgba(236, 72, 153, 0.3));
}

.feature-card h3 {
    font-size: 1.375rem;
    margin-bottom: 0.875rem;
    color: var(--text-white);
    font-weight: 600;
    letter-spacing: -0.01em;
}

.feature-card p {
    color: var(--text-gray);
    line-height: 1.65;
    font-size: 0.9375rem;
}

/* ==========================================
   SECTIONS
   ========================================== */

.section {
    padding: 7rem 0;
}

.section-light {
    background-color: #ffffff;
}

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

.section-dark {
    background: var(--black);
    color: var(--text-white);
    position: relative;
}

.section-dark::before {
    content: '';
    position: absolute;
    top: 20%;
    right: -10%;
    width: 50%;
    height: 50%;
    background: radial-gradient(circle, rgba(239, 68, 68, 0.08) 0%, transparent 70%);
    filter: blur(80px);
    pointer-events: none;
}

.section-dark::after {
    content: '';
    position: absolute;
    bottom: 20%;
    left: -10%;
    width: 50%;
    height: 50%;
    background: radial-gradient(circle, rgba(236, 72, 153, 0.08) 0%, transparent 70%);
    filter: blur(80px);
    pointer-events: none;
}

.section-dark .container {
    position: relative;
    z-index: 1;
}

.section-dark .section-title,
.section-dark h3 {
    color: var(--text-white);
}

.section-dark p {
    color: var(--text-gray);
}

.section-title {
    font-size: 3rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1.25rem;
    color: var(--text-dark);
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 1.1875rem;
    text-align: center;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto 4.5rem;
    line-height: 1.7;
}

.section-dark .section-subtitle {
    color: var(--text-gray);
}

/* ==========================================
   SERVICES SECTION
   ========================================== */

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.75rem;
}

.service-card {
    background-color: var(--bg-white);
    padding: 2.5rem;
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-color);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-pink), var(--primary-red));
    opacity: 0;
    transition: opacity 0.4s ease;
}

.service-card::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(236, 72, 153, 0.05) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.service-card:hover {
    border-color: rgba(236, 72, 153, 0.3);
    transform: translateY(-6px);
    box-shadow: 0 20px 40px rgba(236, 72, 153, 0.08), 0 1px 3px rgba(0, 0, 0, 0.05);
}

.service-card:hover::before,
.service-card:hover::after {
    opacity: 1;
}

.service-header {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.25rem;
    position: relative;
    z-index: 1;
}

.service-icon {
    font-size: 2.5rem;
    line-height: 1;
}

.service-card h3 {
    font-size: 1.375rem;
    color: var(--text-dark);
    font-weight: 600;
    line-height: 1.3;
    position: relative;
    z-index: 1;
}

.service-card p {
    color: var(--text-light);
    line-height: 1.75;
    font-size: 0.9875rem;
    position: relative;
    z-index: 1;
}

/* ==========================================
   SECURITY SECTION
   ========================================== */

.security-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2.5rem;
    margin-top: 1rem;
}

.security-feature {
    text-align: center;
    padding: 2rem 1.75rem;
    border-radius: var(--radius-xl);
    background: linear-gradient(135deg, rgba(21, 21, 21, 0.5), rgba(31, 31, 31, 0.3));
    border: 1px solid rgba(255, 255, 255, 0.08);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.security-feature::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, rgba(236, 72, 153, 0.05) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.security-feature:hover {
    background: linear-gradient(135deg, rgba(31, 31, 31, 0.6), rgba(41, 41, 41, 0.4));
    border-color: rgba(236, 72, 153, 0.25);
    transform: translateY(-4px);
}

.security-feature:hover::before {
    opacity: 1;
}

.security-icon {
    font-size: 3.25rem;
    margin-bottom: 1.5rem;
    filter: drop-shadow(0 4px 12px rgba(239, 68, 68, 0.3));
    position: relative;
    z-index: 1;
}

.security-feature h3 {
    font-size: 1.375rem;
    margin-bottom: 1rem;
    color: var(--text-white);
    font-weight: 600;
    letter-spacing: -0.01em;
    position: relative;
    z-index: 1;
}

.security-feature p {
    line-height: 1.7;
    font-size: 0.9375rem;
    color: var(--text-gray);
    position: relative;
    z-index: 1;
}

/* ==========================================
   IMPACT & ROI SECTION
   ========================================== */

.chart-container {
    margin-bottom: 4rem;
    background: linear-gradient(135deg, rgba(21, 21, 21, 0.5), rgba(31, 31, 31, 0.3));
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-2xl);
    padding: 2.5rem;
    position: relative;
    overflow: hidden;
}

.chart-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(236, 72, 153, 0.5), transparent);
}

.chart-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.chart-header h3 {
    font-size: 1.75rem;
    color: var(--text-white);
    margin-bottom: 1rem;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.chart-description {
    color: var(--text-gray);
    font-size: 1rem;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.6;
}

.chart-wrapper {
    position: relative;
    height: 400px;
    padding: 1rem;
    background: rgba(0, 0, 0, 0.2);
    border-radius: var(--radius-lg);
}

/* Productivity Stats Grid */
.productivity-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.stat-card {
    background: linear-gradient(135deg, rgba(31, 31, 31, 0.6), rgba(41, 41, 41, 0.4));
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: 2rem 1.5rem;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at top, rgba(236, 72, 153, 0.1) 0%, transparent 60%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.stat-card:hover {
    transform: translateY(-6px);
    border-color: rgba(236, 72, 153, 0.3);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

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

.stat-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    filter: drop-shadow(0 4px 8px rgba(236, 72, 153, 0.4));
}

.stat-card h4 {
    color: var(--text-white);
    font-size: 1.25rem;
    margin-bottom: 1rem;
    font-weight: 600;
    position: relative;
    z-index: 1;
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-pink), var(--primary-red));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
    position: relative;
    z-index: 1;
}

.stat-card p {
    color: var(--text-gray);
    font-size: 0.9375rem;
    position: relative;
    z-index: 1;
}

/* Metrics Summary */
.metrics-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
    padding-top: 3rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.metric-item {
    text-align: center;
    padding: 2rem 1.5rem;
    background: linear-gradient(135deg, rgba(21, 21, 21, 0.5), rgba(31, 31, 31, 0.3));
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.08);
    transition: all 0.4s ease;
}

.metric-item:hover {
    transform: scale(1.05);
    border-color: rgba(236, 72, 153, 0.3);
}

.metric-number {
    font-size: 3.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-pink), var(--primary-red));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.75rem;
    letter-spacing: -0.02em;
}

.metric-label {
    color: var(--text-gray);
    font-size: 1rem;
    font-weight: 500;
    line-height: 1.5;
}

/* ==========================================
   PRICING SECTION
   ========================================== */

.pricing-table {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.75rem;
    margin-bottom: 3rem;
}

.pricing-card {
    background-color: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-2xl);
    padding: 2.75rem 2.25rem;
    position: relative;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.pricing-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at top right, rgba(236, 72, 153, 0.03) 0%, transparent 50%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

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

.pricing-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.08);
    border-color: rgba(236, 72, 153, 0.2);
}

.pricing-featured {
    border: 2px solid transparent;
    background:
        linear-gradient(white, white) padding-box,
        linear-gradient(135deg, var(--primary-pink), var(--primary-red)) border-box;
    box-shadow: 0 20px 48px rgba(236, 72, 153, 0.12);
}

.pricing-featured:hover {
    box-shadow: 0 24px 56px rgba(236, 72, 153, 0.18);
}

.pricing-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--primary-pink), var(--primary-red));
    color: var(--text-white);
    padding: 0.5rem 1.75rem;
    border-radius: var(--radius-lg);
    font-size: 0.875rem;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(236, 72, 153, 0.3);
    z-index: 10;
}

.pricing-header {
    text-align: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 2px solid var(--border-color);
}

.pricing-header h3 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
    font-weight: 700;
    position: relative;
    z-index: 1;
}

.price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 0.5rem;
    position: relative;
    z-index: 1;
}

.price-amount {
    font-size: 3rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-pink), var(--primary-red));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

.price-period {
    color: var(--text-light);
    font-size: 1rem;
}

.pricing-description {
    text-align: center;
    color: var(--text-light);
    margin-bottom: 1.75rem;
    position: relative;
    z-index: 1;
}

.pricing-features {
    list-style: none;
    margin-bottom: 2rem;
    position: relative;
    z-index: 1;
}

.pricing-features li {
    padding: 0.875rem 0;
    color: var(--text-light);
    border-bottom: 1px solid var(--bg-gray);
    font-size: 0.9375rem;
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-card .btn {
    position: relative;
    z-index: 1;
}

.pricing-cta {
    text-align: center;
    margin-top: 3rem;
    padding-top: 3rem;
    border-top: 2px solid var(--border-color);
}

.pricing-cta p {
    font-size: 1.125rem;
    color: var(--text-gray);
    margin-bottom: 1rem;
}

/* ==========================================
   CONTACT SECTION
   ========================================== */

.contact-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    max-width: 900px;
    margin: 0 auto;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 600;
    color: var(--text-dark);
}

.form-group input,
.form-group textarea {
    padding: 0.9375rem 1.125rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: all 0.2s ease;
    font-family: inherit;
    background-color: var(--bg-white);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-pink);
    box-shadow: 0 0 0 4px rgba(236, 72, 153, 0.08);
    background-color: #ffffff;
}

.contact-info h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.contact-links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background-color: var(--bg-white);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    text-decoration: none;
    color: var(--text-dark);
    transition: all 0.3s ease;
}

.contact-link:hover {
    border-color: rgba(236, 72, 153, 0.3);
    background-color: rgba(236, 72, 153, 0.02);
    transform: translateX(5px);
}

.contact-icon {
    font-size: 1.5rem;
}

/* ==========================================
   FOOTER
   ========================================== */

.footer {
    background: var(--black);
    color: var(--text-gray);
    padding: 4rem 0 2rem;
    border-top: 1px solid var(--border-dark);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 3rem;
    margin-bottom: 2.5rem;
}

.footer-brand h3 {
    background: linear-gradient(135deg, var(--primary-pink), var(--primary-red));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 1.75rem;
    margin-bottom: 0.75rem;
    font-weight: 700;
}

.footer-brand p {
    color: var(--text-gray);
    font-size: 0.9375rem;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer-column h4 {
    color: var(--text-white);
    margin-bottom: 1.25rem;
    font-size: 1.0625rem;
    font-weight: 600;
}

.footer-column ul {
    list-style: none;
}

.footer-column ul li {
    margin-bottom: 0.75rem;
}

.footer-column a {
    color: var(--text-gray);
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 0.9375rem;
}

.footer-column a:hover {
    color: var(--text-white);
    padding-left: 4px;
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--border-dark);
    text-align: center;
    color: var(--text-dim);
    font-size: 0.9375rem;
}

/* ==========================================
   RESPONSIVE DESIGN
   ========================================== */

@media (max-width: 968px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: rgba(10, 10, 10, 0.98);
        backdrop-filter: blur(20px);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
        padding: 2rem 0;
        border-top: 1px solid var(--border-dark);
    }

    .nav-menu.active {
        left: 0;
    }

    .hamburger {
        display: flex;
    }

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

    .hero {
        padding: 5rem 0 4rem;
    }

    .hero-title {
        font-size: 3rem;
    }

    .hero-subtitle {
        font-size: 1.25rem;
        color: var(--text-gray);
    }

    .contact-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    .footer-links {
        grid-template-columns: 1fr;
    }

    .chart-wrapper {
        height: 300px;
    }

    .productivity-stats {
        grid-template-columns: 1fr;
    }

    .metrics-summary {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

@media (max-width: 640px) {
    .container {
        padding: 0 1.25rem;
    }

    .hero {
        padding: 4rem 0 3rem;
    }

    .hero-content {
        margin-bottom: 3rem;
    }

    .hero-title {
        font-size: 2.25rem;
    }

    .hero-subtitle {
        font-size: 1.125rem;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 0.875rem;
    }

    .section {
        padding: 4rem 0;
    }

    .section-title {
        font-size: 2rem;
    }

    .section-subtitle {
        font-size: 1rem;
    }

    .pricing-table {
        grid-template-columns: 1fr;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .btn-lg {
        padding: 0.875rem 1.5rem;
        font-size: 1rem;
    }

    .chart-container {
        padding: 1.5rem;
    }

    .chart-wrapper {
        height: 250px;
        padding: 0.5rem;
    }

    .chart-header h3 {
        font-size: 1.375rem;
    }

    .metric-number {
        font-size: 2.5rem;
    }

    .stat-value {
        font-size: 2rem;
    }
}

/* ==========================================
   UTILITY CLASSES
   ========================================== */

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

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }