/* ============================================
   Kani — Logistics Management Platform
   Single Page Website Styles
   ============================================ */

/* --- CSS Variables --- */
:root {
    --color-primary: #0F5132;
    --color-primary-dark: #0a3d25;
    --color-primary-light: #198754;
    --color-primary-subtle: #d1e7dd;
    --color-accent: #ffc107;
    --color-accent-dark: #e0a800;
    --color-text: #1a1a2e;
    --color-text-secondary: #4a5568;
    --color-text-light: #718096;
    --color-bg: #ffffff;
    --color-bg-alt: #f8faf9;
    --color-bg-dark: #0a1628;
    --color-border: #e2e8f0;
    --color-border-light: #edf2f7;
    --color-success: #198754;
    --color-warning: #fd7e14;
    --color-danger: #dc3545;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --shadow-sm: 0 1px 2px rgba(0,0,0,.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,.07), 0 2px 4px -1px rgba(0,0,0,.04);
    --shadow-lg: 0 10px 25px -5px rgba(0,0,0,.08), 0 8px 10px -6px rgba(0,0,0,.04);
    --shadow-xl: 0 20px 40px -10px rgba(0,0,0,.1);
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --container-max: 1200px;
    --transition: 0.2s ease;
}

/* --- 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);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    display: block;
}

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

ul {
    list-style: none;
}

/* --- Container --- */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

/* --- Typography --- */
h1, h2, h3, h4 {
    line-height: 1.2;
    font-weight: 700;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.35rem); }

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--font-family);
    font-weight: 600;
    font-size: 0.95rem;
    padding: 10px 24px;
    border-radius: var(--radius-sm);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
}

.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: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

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

.btn-outline-white {
    background: transparent;
    color: #fff;
    border-color: rgba(255,255,255,0.4);
}
.btn-outline-white:hover {
    background: rgba(255,255,255,0.1);
    border-color: #fff;
}

.btn-lg {
    padding: 14px 32px;
    font-size: 1.05rem;
}

.btn-block {
    width: 100%;
}

.btn-nav {
    background: var(--color-primary);
    color: #fff !important;
    padding: 8px 20px;
    border-radius: var(--radius-sm);
}
.btn-nav:hover {
    background: var(--color-primary-dark);
}

/* --- Navbar --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid transparent;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    border-bottom-color: var(--color-border);
    box-shadow: var(--shadow-sm);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--color-primary);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    transition: color var(--transition);
}

.nav-links a:hover {
    color: var(--color-primary);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* --- Hero --- */
.hero {
    padding: 140px 0 80px;
    background: linear-gradient(135deg, #f8faf9 0%, #e8f5ed 50%, #f0f4f8 100%);
    overflow: hidden;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-badge {
    display: inline-block;
    padding: 6px 16px;
    background: var(--color-primary-subtle);
    color: var(--color-primary);
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: 50px;
    margin-bottom: 20px;
}

.hero h1 {
    margin-bottom: 20px;
    color: var(--color-text);
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--color-text-secondary);
    margin-bottom: 32px;
    line-height: 1.7;
    max-width: 540px;
}

.hero-ctas {
    display: flex;
    gap: 16px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.stat {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

.stat-icon {
    color: var(--color-primary);
    display: flex;
    flex-shrink: 0;
}

/* --- Dashboard Preview --- */
.dashboard-preview {
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    border: 1px solid var(--color-border-light);
    transform: perspective(1000px) rotateY(-2deg) rotateX(1deg);
    transition: transform 0.4s ease;
}

.dashboard-preview:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

.preview-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: #f7f8fa;
    border-bottom: 1px solid var(--color-border-light);
}

.preview-dots {
    display: flex;
    gap: 6px;
}

.preview-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #ddd;
}

.preview-dots span:first-child { background: #ff5f57; }
.preview-dots span:nth-child(2) { background: #ffbd2e; }
.preview-dots span:nth-child(3) { background: #28c840; }

.preview-title {
    font-size: 0.8rem;
    color: var(--color-text-light);
    font-weight: 500;
}

.preview-body {
    padding: 20px;
}

.preview-stats-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-bottom: 20px;
}

.preview-stat-card {
    background: var(--color-primary-subtle);
    padding: 14px;
    border-radius: var(--radius-sm);
}

.preview-stat-card.accent {
    background: #fff3cd;
}

.preview-stat-card.warn {
    background: #ffe8cc;
}

.preview-stat-label {
    font-size: 0.7rem;
    color: var(--color-text-secondary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 4px;
}

.preview-stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text);
}

.preview-table {
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.preview-table-header {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    padding: 10px 14px;
    background: #f7f8fa;
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.preview-table-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    padding: 10px 14px;
    border-top: 1px solid var(--color-border-light);
    font-size: 0.82rem;
    align-items: center;
}

.status-badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 50px;
    font-size: 0.7rem;
    font-weight: 600;
}

.status-badge.active { background: #dbeafe; color: #1d4ed8; }
.status-badge.complete { background: #d1e7dd; color: #0f5132; }
.status-badge.pending { background: #fff3cd; color: #856404; }

/* --- Problem Section --- */
.problem-section {
    padding: 80px 0;
    background: var(--color-bg);
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.problem-card {
    text-align: center;
    padding: 32px 24px;
}

.problem-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    background: #fef3f2;
    color: var(--color-danger);
    border-radius: var(--radius-md);
}

.problem-card h3 {
    margin-bottom: 12px;
    color: var(--color-text);
}

.problem-card p {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* --- Section Headers --- */
.section-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 60px;
}

.section-label {
    display: inline-block;
    padding: 4px 14px;
    background: var(--color-primary-subtle);
    color: var(--color-primary);
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: 50px;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.section-header h2 {
    margin-bottom: 16px;
    color: var(--color-text);
}

.section-header p {
    color: var(--color-text-secondary);
    font-size: 1.05rem;
    line-height: 1.7;
}

/* --- Features Section --- */
.features-section {
    padding: 100px 0;
    background: var(--color-bg-alt);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    background: #fff;
    border-radius: var(--radius-md);
    padding: 32px 28px;
    border: 1px solid var(--color-border-light);
    transition: all 0.3s ease;
    position: relative;
}

.feature-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
    border-color: var(--color-primary-subtle);
}

.feature-card.featured {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.feature-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    padding: 4px 10px;
    background: var(--color-primary);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 600;
    border-radius: 50px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.feature-icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
}

.feature-icon.import { background: #dbeafe; color: #1d4ed8; }
.feature-icon.export { background: #d1e7dd; color: #0f5132; }
.feature-icon.expense { background: #fff3cd; color: #856404; }
.feature-icon.payment { background: #e8daef; color: #6c3483; }
.feature-icon.customer { background: #d1ecf1; color: #0c5460; }
.feature-icon.exchange { background: #fce4ec; color: #c62828; }
.feature-icon.notify { background: #fff8e1; color: #f57f17; }
.feature-icon.docs { background: #e3f2fd; color: #1565c0; }
.feature-icon.dashboard { background: #f3e5f5; color: #7b1fa2; }
.feature-icon.users { background: #e0f2f1; color: #00695c; }
.feature-icon.reference { background: #fbe9e7; color: #bf360c; }

.feature-card h3 {
    margin-bottom: 12px;
    color: var(--color-text);
}

.feature-card > p {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 16px;
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.feature-list li {
    position: relative;
    padding-left: 20px;
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

.feature-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 7px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-primary-subtle);
    border: 2px solid var(--color-primary);
}

/* --- How It Works --- */
.how-it-works {
    padding: 100px 0;
    background: var(--color-bg);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    position: relative;
}

.steps-grid::before {
    content: '';
    position: absolute;
    top: 32px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary-subtle), var(--color-primary), var(--color-primary-subtle));
    z-index: 0;
}

.step-card {
    text-align: center;
    position: relative;
    z-index: 1;
}

.step-number {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    background: var(--color-primary);
    color: #fff;
    font-size: 1.4rem;
    font-weight: 800;
    border-radius: 50%;
    box-shadow: 0 4px 12px rgba(15,81,50,0.3);
}

.step-card h3 {
    margin-bottom: 10px;
    color: var(--color-text);
}

.step-card p {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* --- Workflow Section --- */
.workflow-section {
    padding: 100px 0;
    background: var(--color-bg-alt);
}

.workflow-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 32px;
}

.workflow-step {
    text-align: center;
    flex: 0 1 180px;
}

.workflow-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 12px;
    border-radius: 50%;
    border: 2px solid;
}

.workflow-icon.draft { background: #f3f4f6; color: #6b7280; border-color: #d1d5db; }
.workflow-icon.review { background: #fff3cd; color: #856404; border-color: #ffc107; }
.workflow-icon.approve { background: #d1e7dd; color: #0f5132; border-color: #198754; }
.workflow-icon.paid { background: #dbeafe; color: #1d4ed8; border-color: #3b82f6; }

.workflow-step h4 {
    font-size: 0.95rem;
    margin-bottom: 6px;
    color: var(--color-text);
}

.workflow-step p {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

.workflow-arrow {
    color: var(--color-text-light);
    flex-shrink: 0;
}

.workflow-note {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    max-width: 680px;
    margin: 0 auto;
    padding: 16px 20px;
    background: #fff;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    font-size: 0.88rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.workflow-note svg {
    flex-shrink: 0;
    color: var(--color-primary);
    margin-top: 2px;
}

/* --- Why Kani --- */
.why-kani {
    padding: 100px 0;
    background: var(--color-bg);
}

.differentiators-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.diff-card {
    padding: 32px 28px;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border-light);
    transition: all 0.3s ease;
}

.diff-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
    border-color: var(--color-primary-subtle);
}

.diff-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: var(--color-primary);
    background: var(--color-primary-subtle);
    border-radius: var(--radius-sm);
}

.diff-card h3 {
    margin-bottom: 10px;
    color: var(--color-text);
}

.diff-card p {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* --- Pricing --- */
.pricing-section {
    padding: 100px 0;
    background: var(--color-bg-alt);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    align-items: start;
}

.pricing-card {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 36px 32px;
    border: 1px solid var(--color-border-light);
    position: relative;
    transition: all 0.3s ease;
}

.pricing-card:hover {
    box-shadow: var(--shadow-lg);
}

.pricing-card.popular {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-xl);
    transform: scale(1.03);
    z-index: 1;
}

.popular-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    padding: 6px 20px;
    background: var(--color-primary);
    color: #fff;
    font-size: 0.78rem;
    font-weight: 600;
    border-radius: 50px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.pricing-tier {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    margin-bottom: 8px;
}

.pricing-price {
    display: flex;
    align-items: baseline;
    gap: 2px;
    margin-bottom: 12px;
}

.pricing-price .currency {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-text);
}

.pricing-price .amount {
    font-size: 3rem;
    font-weight: 800;
    color: var(--color-text);
    line-height: 1;
}

.pricing-price .period {
    font-size: 0.95rem;
    color: var(--color-text-light);
    margin-left: 4px;
}

.pricing-desc {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    margin-bottom: 24px;
    line-height: 1.5;
}

.pricing-features {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 28px;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

.pricing-features li svg {
    flex-shrink: 0;
    color: var(--color-primary);
}

/* --- Security --- */
.security-section {
    padding: 100px 0;
    background: var(--color-bg);
}

.security-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.security-item {
    padding: 28px 24px;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border-light);
    transition: all 0.3s ease;
}

.security-item:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary-subtle);
}

.security-icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    color: var(--color-primary);
    background: var(--color-primary-subtle);
    border-radius: var(--radius-sm);
}

.security-item h4 {
    margin-bottom: 8px;
    color: var(--color-text);
    font-size: 1.05rem;
}

.security-item p {
    color: var(--color-text-secondary);
    font-size: 0.88rem;
    line-height: 1.6;
}

/* --- CTA Section --- */
.cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, #0a3d25 100%);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: rgba(255,255,255,0.03);
}

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

.cta-content h2 {
    color: #fff;
    margin-bottom: 16px;
}

.cta-content p {
    color: rgba(255,255,255,0.8);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto 32px;
    line-height: 1.7;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* --- Contact Section --- */
.contact-section {
    padding: 100px 0;
    background: var(--color-bg-alt);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 48px;
    align-items: start;
}

.contact-form {
    background: #fff;
    padding: 36px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-light);
    box-shadow: var(--shadow-md);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--color-text);
}

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-family: var(--font-family);
    font-size: 0.9rem;
    color: var(--color-text);
    transition: border-color var(--transition), box-shadow var(--transition);
    background: #fff;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-subtle);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #a0aec0;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%234a5568' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

.form-note {
    text-align: center;
    font-size: 0.82rem;
    color: var(--color-text-light);
    margin-top: 12px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-info-card {
    padding: 24px;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border-light);
    background: #fff;
}

.contact-info-card h3 {
    margin-bottom: 8px;
    color: var(--color-text);
    font-size: 1.05rem;
}

.contact-info-card p {
    color: var(--color-text-secondary);
    font-size: 0.88rem;
    line-height: 1.5;
    margin-bottom: 12px;
}

.contact-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--color-primary);
    font-size: 0.9rem;
    font-weight: 500;
    transition: color var(--transition);
}

.contact-link:hover {
    color: var(--color-primary-dark);
}

/* --- Footer --- */
.footer {
    padding: 60px 0 24px;
    background: var(--color-bg-dark);
    color: rgba(255,255,255,0.7);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand .logo {
    color: #fff;
    margin-bottom: 12px;
}

.footer-brand p {
    font-size: 0.88rem;
    line-height: 1.6;
    color: rgba(255,255,255,0.5);
    max-width: 280px;
}

.footer-links h4 {
    color: #fff;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.5);
    transition: color var(--transition);
}

.footer-links a:hover {
    color: #fff;
}

.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid rgba(255,255,255,0.1);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.82rem;
    color: rgba(255,255,255,0.4);
}

/* --- Animations --- */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-visual {
        max-width: 560px;
        margin: 0 auto;
    }

    .dashboard-preview {
        transform: none;
    }

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

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

    .pricing-card.popular {
        transform: scale(1);
    }

    .pricing-card:last-child {
        grid-column: 1 / -1;
        max-width: 400px;
        justify-self: center;
    }

    .steps-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }

    .steps-grid::before {
        display: none;
    }

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

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #fff;
        flex-direction: column;
        gap: 0;
        padding: 12px 24px 24px;
        border-bottom: 1px solid var(--color-border);
        box-shadow: var(--shadow-md);
    }

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

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

    .nav-links a {
        display: block;
        padding: 12px 0;
        border-bottom: 1px solid var(--color-border-light);
    }

    .nav-links .btn-nav {
        text-align: center;
        margin-top: 8px;
        border-bottom: none;
    }

    .hero {
        padding: 110px 0 60px;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .problem-grid,
    .features-grid,
    .differentiators-grid,
    .pricing-grid,
    .security-grid {
        grid-template-columns: 1fr;
    }

    .pricing-card:last-child {
        max-width: none;
    }

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

    .workflow-visual {
        flex-direction: column;
    }

    .workflow-arrow {
        transform: rotate(90deg);
    }

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

    .contact-form {
        padding: 24px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .cta-content h2 {
        font-size: 1.6rem;
    }
}

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

    .hero-ctas .btn {
        width: 100%;
    }

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