/* =====================================================
   ServiYa Landing Page - Premium Purple Theme
   ===================================================== */

:root {
    /* Primary palette */
    --primary-50: #faf5ff;
    --primary-100: #f3e8ff;
    --primary-200: #e9d5ff;
    --primary-300: #d8b4fe;
    --primary-400: #c084fc;
    --primary-500: #a855f7;
    --primary-600: #9333ea;
    --primary-700: #7e22ce;
    --primary-800: #6b21a8;
    --primary-900: #581c87;

    /* Neutral palette */
    --gray-50: #fafafa;
    --gray-100: #f4f4f5;
    --gray-200: #e4e4e7;
    --gray-300: #d4d4d8;
    --gray-400: #a1a1aa;
    --gray-500: #71717a;
    --gray-600: #52525b;
    --gray-700: #3f3f46;
    --gray-800: #27272a;
    --gray-900: #18181b;

    /* Semantic */
    --success: #10b981;
    --white: #ffffff;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-700) 100%);
    --gradient-text: linear-gradient(135deg, var(--primary-400) 0%, var(--primary-600) 100%);
    --gradient-subtle: linear-gradient(180deg, var(--primary-50) 0%, var(--white) 100%);

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    /* Spacing */
    --section-padding: 6rem 0;
    --container-padding: 0 1.5rem;

    /* Borders */
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 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 -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-glow: 0 0 40px rgba(168, 85, 247, 0.15);

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

/* =====================================================
   Reset & Base
   ===================================================== */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--gray-800);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

input, select {
    font-family: inherit;
    font-size: inherit;
}

/* =====================================================
   Layout
   ===================================================== */

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--container-padding);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 1rem;
    line-height: 1.2;
}

.section-header p {
    font-size: 1.125rem;
    color: var(--gray-500);
    max-width: 500px;
    margin: 0 auto;
}

/* =====================================================
   Typography
   ===================================================== */

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

.badge {
    display: inline-block;
    padding: 0.375rem 1rem;
    background: var(--primary-100);
    color: var(--primary-700);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-bottom: 1.5rem;
}

/* =====================================================
   Buttons
   ===================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: var(--shadow-md), 0 0 0 0 rgba(168, 85, 247, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), 0 0 20px rgba(168, 85, 247, 0.3);
}

.btn-secondary {
    background: var(--white);
    color: var(--gray-700);
    border: 1px solid var(--gray-200);
}

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

.btn-nav {
    padding: 0.625rem 1.25rem;
    background: var(--primary-600);
    color: var(--white);
    font-size: 0.875rem;
}

.btn-nav:hover {
    background: var(--primary-700);
}

.btn-full {
    width: 100%;
}

.btn-icon {
    width: 1.25rem;
    height: 1.25rem;
}

/* =====================================================
   Navigation
   ===================================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-100);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 4rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
}

.logo span {
    color: var(--primary-600);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links a:not(.btn) {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--gray-600);
    transition: color var(--transition-fast);
}

.nav-links a:not(.btn):hover {
    color: var(--primary-600);
}

/* =====================================================
   Hero Section
   ===================================================== */

.hero {
    position: relative;
    padding: 8rem 0 6rem;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: var(--gradient-subtle);
    z-index: -1;
}

.hero-bg::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 80%;
    height: 150%;
    background: radial-gradient(ellipse at center, rgba(168, 85, 247, 0.08) 0%, transparent 70%);
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1;
    color: var(--gray-900);
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--gray-600);
    margin-bottom: 2rem;
    max-width: 480px;
}

.hero-cta {
    display: flex;
    gap: 1rem;
}

.hero-visual {
    display: flex;
    justify-content: center;
}

.hero-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    box-shadow: var(--shadow-xl), var(--shadow-glow);
    width: 320px;
    border: 1px solid var(--gray-100);
}

.card-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--gray-500);
    margin-bottom: 1rem;
}

.status-dot {
    width: 8px;
    height: 8px;
    background: var(--success);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.card-service {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 1rem;
}

.card-provider {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    background: var(--gray-50);
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
}

.avatar {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: 50%;
}

.provider-info {
    display: flex;
    flex-direction: column;
}

.provider-name {
    font-weight: 600;
    color: var(--gray-900);
}

.provider-rating {
    font-size: 0.875rem;
    color: var(--gray-500);
}

.card-status {
    text-align: center;
    padding: 0.75rem;
    background: var(--primary-50);
    color: var(--primary-700);
    font-weight: 600;
    font-size: 0.875rem;
    border-radius: var(--radius-md);
}

/* =====================================================
   Features Section
   ===================================================== */

.features {
    padding: var(--section-padding);
}

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

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

.feature-label {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--primary-600);
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--primary-200);
}

.feature-card {
    padding: 1.5rem;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.feature-card:hover {
    border-color: var(--primary-200);
    box-shadow: var(--shadow-md), var(--shadow-glow);
}

.feature-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-100);
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
}

.feature-icon svg {
    width: 24px;
    height: 24px;
    color: var(--primary-600);
}

.feature-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

.feature-card p {
    font-size: 0.9375rem;
    color: var(--gray-500);
    line-height: 1.6;
}

/* =====================================================
   How It Works Section
   ===================================================== */

.how-it-works {
    padding: var(--section-padding);
    background: var(--gray-50);
}

.steps {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 1rem;
}

.step {
    flex: 1;
    max-width: 220px;
    text-align: center;
}

.step-number {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    color: var(--white);
    font-size: 1.25rem;
    font-weight: 700;
    border-radius: 50%;
    margin: 0 auto 1rem;
}

.step h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

.step p {
    font-size: 0.875rem;
    color: var(--gray-500);
}

.step-connector {
    width: 60px;
    height: 2px;
    background: var(--gray-300);
    margin-top: 24px;
    flex-shrink: 0;
}

/* =====================================================
   Categories Section
   ===================================================== */

.categories {
    padding: var(--section-padding);
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.category-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    padding: 1.5rem;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    cursor: default;
}

.category-card:hover {
    border-color: var(--primary-300);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.category-icon {
    font-size: 2rem;
}

.category-card span {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--gray-700);
}

/* =====================================================
   Signup Section
   ===================================================== */

.signup {
    padding: var(--section-padding);
    background: var(--gray-900);
}

.signup-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    padding: 4rem;
    background: linear-gradient(135deg, var(--gray-800) 0%, var(--gray-900) 100%);
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-700);
}

.signup-content .badge {
    background: rgba(168, 85, 247, 0.2);
    color: var(--primary-300);
}

.signup-content h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 1rem;
}

.signup-content > p {
    color: var(--gray-400);
    margin-bottom: 2rem;
}

.signup-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-group {
    display: flex;
    gap: 0.75rem;
}

.form-group input,
.form-group select {
    padding: 1rem;
    background: var(--gray-800);
    border: 1px solid var(--gray-700);
    border-radius: var(--radius-md);
    color: var(--white);
    transition: border-color var(--transition-fast);
}

.form-group input {
    flex: 1;
}

.form-group input::placeholder {
    color: var(--gray-500);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-500);
}

.form-group select {
    cursor: pointer;
}

.form-group select option {
    background: var(--gray-800);
}

.form-note {
    font-size: 0.875rem;
    color: var(--gray-500);
    text-align: center;
}

.signup-visual {
    display: flex;
    justify-content: center;
}

.notification-preview {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.25rem;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    max-width: 300px;
}

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

.notif-content {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.notif-title {
    font-weight: 600;
    color: var(--gray-900);
    font-size: 0.9375rem;
}

.notif-text {
    font-size: 0.875rem;
    color: var(--gray-500);
}

/* =====================================================
   Footer
   ===================================================== */

.footer {
    padding: 3rem 0 2rem;
    background: var(--gray-900);
    border-top: 1px solid var(--gray-800);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--gray-800);
}

.footer-brand .logo {
    color: var(--white);
    margin-bottom: 0.5rem;
}

.footer-brand p {
    font-size: 0.875rem;
    color: var(--gray-500);
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    font-size: 0.875rem;
    color: var(--gray-400);
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    padding-top: 2rem;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.875rem;
    color: var(--gray-600);
}

/* =====================================================
   Toast
   ===================================================== */

.toast {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    opacity: 0;
    transition: all var(--transition-slow);
    z-index: 200;
    pointer-events: none;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

.toast-content {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    background: var(--gray-900);
    color: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
}

.toast-icon {
    width: 24px;
    height: 24px;
    color: var(--success);
}

/* =====================================================
   Responsive Design
   ===================================================== */

@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content h1 {
        font-size: 2.75rem;
    }

    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }

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

    .hero-visual {
        display: none;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .steps {
        flex-wrap: wrap;
        gap: 2rem;
    }

    .step-connector {
        display: none;
    }

    .step {
        max-width: 200px;
    }

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

    .signup-card {
        grid-template-columns: 1fr;
        padding: 2rem;
        text-align: center;
    }

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

    .signup-visual {
        display: none;
    }
}

@media (max-width: 640px) {
    :root {
        --section-padding: 4rem 0;
    }

    .nav-links a:not(.btn) {
        display: none;
    }

    .hero {
        padding: 6rem 0 4rem;
    }

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

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

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

    .section-header h2 {
        font-size: 1.75rem;
    }

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

    .category-card {
        padding: 1rem;
    }

    .footer-content {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }
}