/* Main Stylesheet - CloudCV
   PURPOSE: Modern landing page with gradient background and pill navigation
   DESIGN: Minimalist, clean typography, subtle shadows, teal accent (#0d4d4d) */

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

/* Theme variables */
:root {
    --primary: #0d4d4d;
    --primary-dark: #0a3d3d;
    --primary-light: #1a6b6b;
    --text-on-dark: #ffffff;
    --text-muted: rgba(255, 255, 255, 0.7);
    --bg-gradient: linear-gradient(135deg, #e8e8e8 0%, #d4e7f5 100%);
    --card-shadow: 0 16px 40px rgba(13, 77, 77, 0.25);
    --pill-shadow: 0 10px 24px rgba(13, 77, 77, 0.2);
    --font-family: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;

    /* Spacing Scale (used by CV and Projects pages) */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;

    /* Typography Scale */
    --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: 2rem;

    /* Border Radii */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;

    /* Light mode colors (for CV and Projects pages) */
    --accent: #0d4d4d;
    --bg: #f5f7f7;
    --bg-surface: #ffffff;
    --bg-elevated: #f0f4f4;
    --text: #1a2e2e;
    --text-secondary: #4a5e5e;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
    font-family: var(--font-family);
    background: var(--bg-gradient);
    color: var(--text-on-dark);
    display: flex;
    flex-direction: column;
    align-items: center;
}

/* Pill Navigation */
.pill-nav {
    position: fixed;
    top: 24px;
    left: 50%;
    transform: translateX(-50%);
    display: inline-flex;
    gap: 8px;
    padding: 10px 16px;
    border-radius: 50px;
    background: var(--primary);
    box-shadow: var(--pill-shadow);
    z-index: 100;
}

.pill-link {
    color: var(--text-on-dark);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    padding: 8px 18px;
    border-radius: 999px;
    transition: background 0.2s ease, transform 0.2s ease;
}

.pill-link:hover {
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-1px);
}

.pill-link.is-active {
    background: rgba(255, 255, 255, 0.2);
}

/* Page Layout */
.page {
    width: 100%;
    padding: 140px 24px 80px;
    display: flex;
    justify-content: center;
    align-items: flex-start;
}

/* Hero Card */
.hero-card {
    width: min(640px, 100%);
    background: var(--primary);
    border-radius: 32px;
    padding: 56px 48px 40px;
    text-align: center;
    box-shadow: var(--card-shadow);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.hero-photo {
    width: 190px;
    height: 190px;
    border-radius: 50%;
    border: 4px solid rgba(255, 255, 255, 0.45);
    object-fit: cover;
    object-position: top center;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.hero-card h1 {
    font-size: 2.9rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-top: 8px;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    font-weight: 400;
}

.hero-bio {
    max-width: 500px;
    color: rgba(255, 255, 255, 0.85);
    font-size: 1rem;
    line-height: 1.7;
    margin-top: 4px;
}

/* Social Buttons */
.social-row {
    display: flex;
    gap: 12px;
    margin-top: 4px;
}

.social-button {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-on-dark);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.social-button:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
}

.social-button svg {
    width: 18px;
    height: 18px;
}

/* Action Buttons */
.action-row {
    display: flex;
    gap: 12px;
    margin-top: 16px;
    flex-wrap: wrap;
    justify-content: center;
}

.action-button {
    padding: 16px 28px;
    border-radius: 999px;
    text-decoration: none;
    font-size: 1rem;
    font-weight: 600;
    transition: transform 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
    color: var(--text-on-dark);
}

.action-button.primary {
    background: rgba(255, 255, 255, 0.2);
}

.action-button.secondary {
    background: rgba(255, 255, 255, 0.1);
}

.action-button:hover {
    transform: translateY(-2px);
    background: rgba(255, 255, 255, 0.28);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.hero-footnote {
    width: 100%;
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    flex-direction: column;
    gap: 8px;
    align-items: center;
}

.deploy-badge {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.7);
    padding: 6px 14px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    letter-spacing: 0.01em;
    background: rgba(255, 255, 255, 0.08);
}

/* Visit Counter */
.visit-counter {
    margin-top: 0;
    padding-top: 0;
    border-top: 0;
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Focus States (Accessibility) */
.pill-link:focus-visible,
.social-button:focus-visible,
.action-button:focus-visible {
    outline: 2px solid #ffffff;
    outline-offset: 3px;
}

/* Responsive Design */
@media (max-width: 600px) {
    .pill-nav {
        top: 16px;
        padding: 8px 12px;
        gap: 4px;
    }

    .pill-link {
        padding: 8px 14px;
        font-size: 0.9rem;
    }

    .page {
        padding: 110px 16px 48px;
    }

    .hero-card {
        padding: 40px 24px 28px;
        border-radius: 24px;
        gap: 14px;
    }

    .hero-photo {
        width: 150px;
        height: 150px;
    }

    .hero-card h1 {
        font-size: 2.2rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .hero-bio {
        font-size: 0.95rem;
    }

    .social-button {
        width: 36px;
        height: 36px;
    }

    .social-button svg {
        width: 16px;
        height: 16px;
    }

    .action-button {
        padding: 14px 22px;
        font-size: 0.95rem;
    }

    .deploy-badge {
        font-size: 0.8rem;
    }
}

/* Extra small screens */
@media (max-width: 380px) {
    .pill-nav {
        gap: 2px;
        padding: 6px 10px;
    }

    .pill-link {
        padding: 6px 10px;
        font-size: 0.85rem;
    }

    .action-row {
        flex-direction: column;
        width: 100%;
    }

    .action-button {
        width: 100%;
        text-align: center;
    }
}