/* ==========================================================================
   Provider Credential - Landing Page Styles
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Custom Properties (Variables)
   -------------------------------------------------------------------------- */
:root {
    /* Colors */
    --color-primary: #6366F1;
    --color-primary-dark: #4F46E5;
    --color-primary-light: #818CF8;
    --color-secondary: #8B5CF6;
    --color-accent: #06B6D4;

    /* Neutrals */
    --color-white: #FFFFFF;
    --color-gray-50: #F9FAFB;
    --color-gray-100: #F3F4F6;
    --color-gray-200: #E5E7EB;
    --color-gray-300: #D1D5DB;
    --color-gray-400: #9CA3AF;
    --color-gray-500: #6B7280;
    --color-gray-600: #4B5563;
    --color-gray-700: #374151;
    --color-gray-800: #1F2937;
    --color-gray-900: #111827;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    --gradient-dark: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;

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

    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-2xl: 2rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-glow: 0 0 40px rgba(99, 102, 241, 0.3);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-gray-700);
    background-color: var(--color-white);
    overflow-x: hidden;
}

img, svg {
    max-width: 100%;
    height: auto;
    display: block;
}

/* --------------------------------------------------------------------------
   Utility Classes
   -------------------------------------------------------------------------- */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-6);
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* --------------------------------------------------------------------------
   Section Headers
   -------------------------------------------------------------------------- */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-16);
}

.section-tag {
    display: inline-block;
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-primary);
    background: rgba(99, 102, 241, 0.1);
    padding: var(--spacing-2) var(--spacing-4);
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-4);
}

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--color-gray-900);
    line-height: 1.2;
    margin-bottom: var(--spacing-4);
}

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

/* --------------------------------------------------------------------------
   Navigation
   -------------------------------------------------------------------------- */
.navbar {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: var(--spacing-6) 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

.logo-icon {
    width: 40px;
    height: 40px;
}

.logo-text {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-white);
}

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
.hero {
    position: relative;
    min-height: 100vh;
    background: var(--gradient-dark);
    padding: var(--spacing-24) 0 var(--spacing-20);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 80%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(139, 92, 246, 0.15) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-16);
    align-items: center;
    min-height: calc(100vh - 200px);
}

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

.hero-title {
    font-size: var(--font-size-6xl);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-6);
}

.hero-description {
    font-size: var(--font-size-xl);
    color: var(--color-gray-300);
    margin-bottom: var(--spacing-10);
    max-width: 500px;
}

.hero-stats {
    display: flex;
    gap: var(--spacing-10);
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-white);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--color-gray-400);
}

/* Hero Visual / Vault Animation */
.hero-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.vault-animation {
    position: relative;
    width: 350px;
    height: 350px;
}

.vault-outer {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2) 0%, rgba(139, 92, 246, 0.2) 100%);
    border: 2px solid rgba(99, 102, 241, 0.3);
    animation: pulse-outer 4s ease-in-out infinite;
}

.vault-inner {
    position: absolute;
    inset: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.3) 0%, rgba(139, 92, 246, 0.3) 100%);
    border: 2px solid rgba(99, 102, 241, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    animation: pulse-inner 4s ease-in-out infinite 0.5s;
}

.vault-lock {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-glow);
    animation: glow 2s ease-in-out infinite;
}

.vault-lock svg {
    width: 40px;
    height: 40px;
    color: var(--color-white);
}

.floating-keys {
    position: absolute;
    inset: 0;
}

.key {
    position: absolute;
    width: 12px;
    height: 12px;
    background: var(--color-primary-light);
    border-radius: 50%;
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.5);
}

.key-1 {
    top: 20%;
    left: 10%;
    animation: float-1 6s ease-in-out infinite;
}

.key-2 {
    top: 60%;
    right: 5%;
    animation: float-2 5s ease-in-out infinite 1s;
}

.key-3 {
    bottom: 15%;
    left: 20%;
    animation: float-3 7s ease-in-out infinite 2s;
}

/* Hero Wave */
.hero-wave {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    line-height: 0;
}

.hero-wave svg {
    width: 100%;
    height: auto;
}

/* --------------------------------------------------------------------------
   Features Section
   -------------------------------------------------------------------------- */
.features {
    padding: var(--spacing-24) 0;
    background: var(--color-white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-8);
}

.feature-card {
    padding: var(--spacing-8);
    border-radius: var(--radius-xl);
    background: var(--color-white);
    border: 1px solid var(--color-gray-100);
    transition: all var(--transition-slow);
}

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

.feature-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-lg);
    background: rgba(99, 102, 241, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-5);
}

.feature-icon svg {
    width: 28px;
    height: 28px;
    color: var(--color-primary);
}

.feature-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-3);
}

.feature-description {
    color: var(--color-gray-500);
    line-height: 1.7;
}

/* --------------------------------------------------------------------------
   How It Works Section
   -------------------------------------------------------------------------- */
.how-it-works {
    padding: var(--spacing-24) 0;
    background: var(--color-gray-50);
}

.steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-6);
}

.step {
    position: relative;
    padding: var(--spacing-8);
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

.step::after {
    content: '';
    position: absolute;
    top: 50%;
    right: -24px;
    width: 48px;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary) 0%, transparent 100%);
    transform: translateY(-50%);
}

.step:last-child::after {
    display: none;
}

.step-number {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-4);
}

.step-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-3);
}

.step-description {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
    line-height: 1.7;
}

/* --------------------------------------------------------------------------
   Security Section
   -------------------------------------------------------------------------- */
.security {
    padding: var(--spacing-24) 0;
    background: var(--color-white);
}

.security-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-16);
    align-items: center;
}

.security-text .section-title {
    text-align: left;
}

.security-text .section-description {
    text-align: left;
    margin-bottom: var(--spacing-8);
}

.security-list {
    list-style: none;
}

.security-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
    padding: var(--spacing-3) 0;
    font-size: var(--font-size-base);
    color: var(--color-gray-700);
}

.check-icon {
    width: 24px;
    height: 24px;
    color: var(--color-primary);
    flex-shrink: 0;
}

/* Security Visual */
.security-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.security-shield {
    position: relative;
    width: 300px;
    height: 300px;
}

.shield-outer {
    position: absolute;
    inset: 0;
    border-radius: var(--radius-2xl);
    background: rgba(99, 102, 241, 0.05);
    border: 2px solid rgba(99, 102, 241, 0.1);
    transform: rotate(45deg);
    animation: shield-pulse 3s ease-in-out infinite;
}

.shield-inner {
    position: absolute;
    inset: 40px;
    border-radius: var(--radius-xl);
    background: var(--gradient-primary);
    transform: rotate(45deg);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-glow);
}

.shield-inner svg {
    width: 80px;
    height: 80px;
    color: var(--color-white);
    transform: rotate(-45deg);
}

.shield-particles span {
    position: absolute;
    width: 8px;
    height: 8px;
    background: var(--color-primary-light);
    border-radius: 50%;
    opacity: 0.6;
}

.shield-particles span:nth-child(1) {
    top: 10%;
    left: 20%;
    animation: particle-float 4s ease-in-out infinite;
}

.shield-particles span:nth-child(2) {
    top: 30%;
    right: 10%;
    animation: particle-float 5s ease-in-out infinite 1s;
}

.shield-particles span:nth-child(3) {
    bottom: 20%;
    left: 10%;
    animation: particle-float 6s ease-in-out infinite 2s;
}

.shield-particles span:nth-child(4) {
    bottom: 10%;
    right: 25%;
    animation: particle-float 4.5s ease-in-out infinite 0.5s;
}

/* --------------------------------------------------------------------------
   Integrations Section
   -------------------------------------------------------------------------- */
.integrations {
    padding: var(--spacing-24) 0;
    background: var(--color-gray-50);
}

.integrations-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-6);
}

.integration-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-4);
    padding: var(--spacing-8);
    background: var(--color-white);
    border-radius: var(--radius-xl);
    border: 1px solid var(--color-gray-100);
    transition: all var(--transition-slow);
}

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

.integration-icon {
    width: 48px;
    height: 48px;
    color: var(--color-gray-600);
    transition: color var(--transition-base);
}

.integration-card:hover .integration-icon {
    color: var(--color-primary);
}

.integration-name {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-gray-700);
}

/* --------------------------------------------------------------------------
   Trust Section
   -------------------------------------------------------------------------- */
.trust {
    padding: var(--spacing-24) 0;
    background: var(--gradient-dark);
    position: relative;
    overflow: hidden;
}

.trust::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 30% 30%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 70% 70%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.trust-content {
    position: relative;
    text-align: center;
}

.trust-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--spacing-4);
}

.trust-description {
    font-size: var(--font-size-lg);
    color: var(--color-gray-400);
    max-width: 600px;
    margin: 0 auto var(--spacing-16);
}

.trust-metrics {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-8);
}

.metric {
    padding: var(--spacing-8);
}

.metric-value {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    color: var(--color-white);
}

.metric-suffix {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-primary-light);
}

.metric-label {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--color-gray-400);
    margin-top: var(--spacing-2);
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer {
    padding: var(--spacing-12) 0;
    background: var(--color-gray-900);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.footer-brand {
    margin-bottom: var(--spacing-8);
}

.footer-brand .logo {
    justify-content: center;
    margin-bottom: var(--spacing-4);
}

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

.footer-tagline {
    color: var(--color-gray-400);
    font-size: var(--font-size-sm);
}

.footer-bottom {
    padding-top: var(--spacing-8);
    border-top: 1px solid var(--color-gray-800);
    width: 100%;
}

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

/* --------------------------------------------------------------------------
   Animations
   -------------------------------------------------------------------------- */
@keyframes pulse-outer {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.05); opacity: 0.8; }
}

@keyframes pulse-inner {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.08); opacity: 0.9; }
}

@keyframes glow {
    0%, 100% { box-shadow: 0 0 40px rgba(99, 102, 241, 0.3); }
    50% { box-shadow: 0 0 60px rgba(99, 102, 241, 0.5); }
}

@keyframes float-1 {
    0%, 100% { transform: translate(0, 0); }
    33% { transform: translate(20px, -30px); }
    66% { transform: translate(-10px, 20px); }
}

@keyframes float-2 {
    0%, 100% { transform: translate(0, 0); }
    33% { transform: translate(-30px, 20px); }
    66% { transform: translate(15px, -25px); }
}

@keyframes float-3 {
    0%, 100% { transform: translate(0, 0); }
    33% { transform: translate(25px, 15px); }
    66% { transform: translate(-20px, -20px); }
}

@keyframes shield-pulse {
    0%, 100% { transform: rotate(45deg) scale(1); }
    50% { transform: rotate(45deg) scale(1.05); }
}

@keyframes particle-float {
    0%, 100% { transform: translate(0, 0); opacity: 0.6; }
    50% { transform: translate(10px, -15px); opacity: 1; }
}

/* --------------------------------------------------------------------------
   Responsive Design
   -------------------------------------------------------------------------- */

/* Tablet */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-12);
    }

    .hero-text {
        order: 1;
    }

    .hero-visual {
        order: 0;
    }

    .hero-title {
        font-size: var(--font-size-5xl);
    }

    .hero-description {
        margin: 0 auto var(--spacing-10);
    }

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

    .vault-animation {
        width: 280px;
        height: 280px;
    }

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

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

    .step::after {
        display: none;
    }

    .security-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .security-text .section-title,
    .security-text .section-description {
        text-align: center;
    }

    .security-list {
        display: inline-block;
        text-align: left;
    }

    .security-visual {
        order: -1;
    }

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

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

/* Mobile */
@media (max-width: 768px) {
    .section-title {
        font-size: var(--font-size-3xl);
    }

    .hero {
        min-height: auto;
        padding: var(--spacing-20) 0 var(--spacing-16);
    }

    .hero-title {
        font-size: var(--font-size-4xl);
    }

    .hero-description {
        font-size: var(--font-size-lg);
    }

    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-6);
    }

    .vault-animation {
        width: 220px;
        height: 220px;
    }

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

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

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

    .trust-metrics {
        grid-template-columns: 1fr;
        gap: var(--spacing-4);
    }

    .metric {
        padding: var(--spacing-4);
    }

    .metric-value {
        font-size: var(--font-size-4xl);
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-4);
    }

    .hero-title {
        font-size: var(--font-size-3xl);
    }

    .vault-animation {
        width: 180px;
        height: 180px;
    }

    .vault-inner {
        inset: 30px;
    }

    .vault-lock {
        width: 60px;
        height: 60px;
    }

    .vault-lock svg {
        width: 30px;
        height: 30px;
    }

    .security-shield {
        width: 200px;
        height: 200px;
    }

    .shield-inner {
        inset: 30px;
    }

    .shield-inner svg {
        width: 50px;
        height: 50px;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}