/* ============================================
   ClarioFin Landing Page — styles.css
   ============================================ */

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

:root {
    --color-primary: #2563eb;
    --color-primary-dark: #1d4ed8;
    --color-primary-light: #dbeafe;
    --color-accent: #0ea5e9;
    --color-text: #1e293b;
    --color-text-light: #64748b;
    --color-text-white: #ffffff;
    --color-bg: #ffffff;
    --color-bg-alt: #f8fafc;
    --color-bg-dark: #0f172a;
    --color-border: #e2e8f0;
    --color-success: #10b981;
    --color-stocks: #6366f1;
    --color-trust: #0ea5e9;
    --color-bank: #10b981;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 9999px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.08);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.10);
    --shadow-xl: 0 20px 60px rgba(0,0,0,0.12);
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 24px;
}

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

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

img {
    max-width: 100%;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    border: none;
    border-radius: var(--radius-sm);
    font-family: var(--font);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

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

.btn-primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.btn-primary:disabled {
    background: var(--color-success);
    transform: none;
    box-shadow: none;
    cursor: default;
}

.btn-sm {
    padding: 8px 20px;
    font-size: 0.85rem;
}

.btn-lg {
    padding: 16px 36px;
    font-size: 1.05rem;
}

/* --- Navigation --- */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid transparent;
    transition: all 0.3s ease;
}

.nav.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;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-text);
}

.nav-logo-icon {
    width: 32px;
    height: 32px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 36px;
    list-style: none;
}

.nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-light);
    transition: color 0.2s ease;
}

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

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

.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;
}

.nav-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

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

.nav-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* --- Hero --- */
.hero {
    padding: 140px 0 80px;
    background: linear-gradient(170deg, var(--color-bg) 0%, var(--color-primary-light) 100%);
}

.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-light);
    color: var(--color-primary);
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-bottom: 24px;
    letter-spacing: 0.03em;
}

.hero h1 {
    font-size: 3.5rem;
    letter-spacing: -0.03em;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--color-text) 0%, var(--color-primary-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--color-text-light);
    line-height: 1.7;
    margin-bottom: 32px;
    max-width: 480px;
}

.hero-form {
    display: flex;
    gap: 12px;
    margin-bottom: 12px;
}

.hero-form input {
    flex: 1;
    padding: 14px 18px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-family: var(--font);
    background: var(--color-bg);
    outline: none;
    transition: border-color 0.2s;
}

.hero-form input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.hero-note {
    font-size: 0.8rem;
    color: var(--color-text-light);
}

/* Dashboard Preview */
.dashboard-preview {
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    padding: 28px;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--color-border);
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.dashboard-greeting {
    font-weight: 600;
    font-size: 0.95rem;
}

.dashboard-date {
    font-size: 0.8rem;
    color: var(--color-text-light);
}

.dashboard-total {
    text-align: center;
    padding: 24px 0;
    margin-bottom: 24px;
    border-bottom: 1px solid var(--color-border);
}

.dashboard-label {
    display: block;
    font-size: 0.8rem;
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 8px;
}

.dashboard-value {
    display: block;
    font-size: 2.2rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--color-text);
}

.dashboard-change {
    display: inline-block;
    margin-top: 6px;
    font-size: 0.85rem;
    font-weight: 500;
}

.dashboard-change.positive {
    color: var(--color-success);
}

.dashboard-breakdown {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.dashboard-item {
    display: flex;
    align-items: center;
    gap: 12px;
}

.dashboard-item-bar {
    width: 4px;
    height: 32px;
    border-radius: 4px;
}

.dashboard-item-bar.stocks { background: var(--color-stocks); }
.dashboard-item-bar.trust { background: var(--color-trust); }
.dashboard-item-bar.bank { background: var(--color-bank); }

.dashboard-item-label {
    flex: 1;
    font-size: 0.9rem;
    color: var(--color-text-light);
}

.dashboard-item-value {
    font-weight: 600;
    font-size: 0.95rem;
}

/* --- Section Header --- */
.section-header {
    text-align: center;
    max-width: 580px;
    margin: 0 auto 56px;
}

.section-header h2 {
    font-size: 2.2rem;
    letter-spacing: -0.02em;
    margin-bottom: 12px;
}

.section-header p {
    font-size: 1.05rem;
    color: var(--color-text-light);
}

/* --- Features --- */
.features {
    padding: 100px 0;
}

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

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

.feature-card:hover {
    border-color: transparent;
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.feature-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary-light);
    color: var(--color-primary);
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
}

.feature-icon svg {
    width: 22px;
    height: 22px;
}

.feature-card h3 {
    font-size: 1.05rem;
    margin-bottom: 10px;
}

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

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

.steps {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 24px;
}

.step {
    flex: 1;
    max-width: 280px;
    text-align: center;
}

.step-number {
    width: 52px;
    height: 52px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary);
    color: var(--color-text-white);
    font-size: 1.2rem;
    font-weight: 700;
    border-radius: 50%;
    margin-bottom: 20px;
}

.step h3 {
    font-size: 1.1rem;
    margin-bottom: 10px;
}

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

.step-arrow {
    display: flex;
    align-items: center;
    padding-top: 16px;
    color: var(--color-text-light);
    opacity: 0.3;
}

.step-arrow svg {
    width: 28px;
    height: 28px;
}

/* --- Security --- */
.security {
    padding: 100px 0;
}

.security-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.security-item {
    display: flex;
    gap: 20px;
    padding: 28px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
}

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

.security-icon {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary-light);
    color: var(--color-primary);
    border-radius: var(--radius-sm);
}

.security-icon svg {
    width: 22px;
    height: 22px;
}

.security-item h3 {
    font-size: 1rem;
    margin-bottom: 6px;
}

.security-item p {
    font-size: 0.85rem;
    color: var(--color-text-light);
    line-height: 1.6;
}

/* --- CTA --- */
.cta {
    padding: 100px 0;
    background: var(--color-bg-dark);
    color: var(--color-text-white);
}

.cta-content {
    text-align: center;
    max-width: 560px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: 2.2rem;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.cta-content > p {
    font-size: 1.05rem;
    color: #94a3b8;
    margin-bottom: 36px;
    line-height: 1.7;
}

.cta-form {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
}

.cta-form input {
    flex: 1;
    padding: 16px 20px;
    border: 1px solid #334155;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-family: var(--font);
    background: #1e293b;
    color: var(--color-text-white);
    outline: none;
    transition: border-color 0.2s;
}

.cta-form input::placeholder {
    color: #64748b;
}

.cta-form input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

.cta-note {
    font-size: 0.8rem;
    color: #64748b;
}

/* --- Footer --- */
.footer {
    padding: 60px 0 0;
    background: var(--color-bg-dark);
    color: #94a3b8;
    border-top: 1px solid #1e293b;
}

.footer-container {
    display: flex;
    justify-content: space-between;
    gap: 40px;
    padding-bottom: 40px;
}

.footer-brand {
    max-width: 260px;
}

.footer-brand .nav-logo {
    color: var(--color-text-white);
    margin-bottom: 12px;
}

.footer-brand p {
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: 64px;
}

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

.footer-col h4 {
    font-size: 0.85rem;
    color: var(--color-text-white);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 4px;
}

.footer-col a {
    font-size: 0.9rem;
    color: #94a3b8;
    transition: color 0.2s;
}

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

.footer-bottom {
    padding: 24px 0;
    border-top: 1px solid #1e293b;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.8rem;
    color: #64748b;
}

/* --- Responsive --- */
@media (max-width: 900px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .hero {
        padding: 120px 0 60px;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

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

    .steps {
        flex-direction: column;
        align-items: center;
    }

    .step-arrow {
        transform: rotate(90deg);
        padding-top: 0;
    }

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

    .footer-container {
        flex-direction: column;
    }

    .footer-links {
        gap: 40px;
    }
}

@media (max-width: 600px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--color-bg);
        padding: 24px;
        gap: 20px;
        border-bottom: 1px solid var(--color-border);
        box-shadow: var(--shadow-md);
    }

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

    .nav-toggle {
        display: flex;
    }

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

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

    .hero-form {
        flex-direction: column;
    }

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

    .cta-form {
        flex-direction: column;
    }

    .section-header h2 {
        font-size: 1.7rem;
    }

    .dashboard-value {
        font-size: 1.7rem;
    }

    .footer-links {
        flex-direction: column;
        gap: 32px;
    }
}