:root {
    --c-lavender: #E8DAEF;
    --c-lavender-deep: #C39BD3;
    --c-mint: #D5F5E3;
    --c-peach: #FADBD8;
    --c-sky: #D6EAF8;
    --c-primary: #7C3AED;
    --c-primary-hover: #6D28D9;
    --c-text: #1F2937;
    --c-text-muted: #6B7280;
    --c-bg: #FFFFFF;
    --c-light: #F9FAFB;
    --c-border: #E5E7EB;

    --fs-xs: clamp(0.70rem, 0.65rem + 0.25vw, 0.75rem);
    --fs-sm: clamp(0.80rem, 0.75rem + 0.25vw, 0.875rem);
    --fs-base: clamp(0.938rem, 0.875rem + 0.3vw, 1rem);
    --fs-md: clamp(1.00rem, 0.95rem + 0.3vw, 1.125rem);
    --fs-lg: clamp(1.10rem, 1.00rem + 0.5vw, 1.35rem);
    --fs-xl: clamp(1.30rem, 1.10rem + 0.8vw, 1.75rem);
    --fs-2xl: clamp(1.60rem, 1.30rem + 1.0vw, 2.25rem);
}

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

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    font-size: var(--fs-base);
    color: var(--c-text);
    background-color: var(--c-bg);
    display: flex;
    flex-direction: column;
    height: 100vh;
    height: 100dvh;
    overflow: hidden;
}

.header {
    height: calc(64px + env(safe-area-inset-top));
    padding-top: env(safe-area-inset-top);
    background: var(--c-bg);
    border-bottom: 1px solid var(--c-border);
    z-index: 50;
    flex-shrink: 0;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
    padding: 0 24px;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    font-size: var(--fs-lg);
    font-weight: 700;
    color: var(--c-primary);
    letter-spacing: -0.5px;
}

.content {
    flex: 1;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: env(safe-area-inset-bottom);
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 24px;
}

.fs-xs { font-size: var(--fs-xs); }
.fs-sm { font-size: var(--fs-sm); }
.text-center { text-align: center; }
.text-muted { color: var(--c-text-muted); }
.mt-2 { margin-top: 0.5rem; }
.mt-4 { margin-top: 1.5rem; }
.mx-auto { margin-left: auto; margin-right: auto; }

.section-padding { padding: 4rem 0; }
.border-top { border-top: 1px solid var(--c-border); }
.bg-white { background-color: #FFFFFF; }
.bg-light { background-color: var(--c-light); }
.bg-mint { background-color: var(--c-mint); }
.bg-peach { background-color: var(--c-peach); }
.bg-sky { background-color: var(--c-sky); }
.bg-lavender-gradient { background: linear-gradient(135deg, var(--c-lavender) 0%, var(--c-lavender-deep) 100%); }

.bg-mint-hover:hover { background-color: var(--c-mint); border-color: var(--c-mint); }
.bg-peach-hover:hover { background-color: var(--c-peach); border-color: var(--c-peach); }
.bg-sky-hover:hover { background-color: var(--c-sky); border-color: var(--c-sky); }
.bg-light-hover:hover { background-color: var(--c-light); border-color: var(--c-border); }

.section-title {
    font-size: var(--fs-xl);
    font-weight: 600;
    margin-bottom: 1rem;
    color: #111827;
}

.section-body {
    font-size: var(--fs-md);
    line-height: 1.6;
    max-width: 700px;
    color: #374151;
}

.hero-title {
    font-size: var(--fs-2xl);
    font-weight: 800;
    margin-bottom: 1rem;
    color: #111827;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: var(--fs-lg);
    max-width: 650px;
    margin: 0 auto;
    color: #374151;
    line-height: 1.5;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1.25rem;
    font-size: var(--fs-base);
    font-weight: 500;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
}

.btn-primary { background-color: var(--c-primary); color: #FFFFFF; }
.btn-primary:hover { background-color: var(--c-primary-hover); }

.btn-outline {
    background-color: transparent;
    border: 1px solid var(--c-border);
    color: var(--c-text);
    width: 100%;
    padding: 1rem;
    font-size: var(--fs-md);
    text-align: left;
    justify-content: flex-start;
}

.btn-lg { padding: 0.75rem 2rem; font-size: var(--fs-md); }

input, select, textarea { font-size: 16px; }

.grid-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.card {
    background: var(--c-bg);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    border: 1px solid var(--c-border);
}

.stat-number {
    font-size: var(--fs-2xl);
    color: var(--c-primary);
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.modal-backdrop {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    opacity: 1;
    transition: opacity 0.2s ease;
}

.modal-backdrop.hidden {
    opacity: 0;
    pointer-events: none;
}

.modal-content {
    background: var(--c-bg);
    width: 90%;
    max-width: 400px;
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    transform: translateY(0);
    transition: transform 0.2s ease;
}

.modal-backdrop.hidden .modal-content {
    transform: translateY(10px);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.modal-header h2 {
    font-size: var(--fs-lg);
    font-weight: 600;
}

.btn-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--c-text-muted);
    line-height: 1;
    padding: 0.25rem;
}

.portal-grid {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer {
    padding: 2rem 0;
    background: var(--c-bg);
    border-top: 1px solid var(--c-border);
}