/* ============================================
   HedstromHaus — Base & Reset
   ============================================ */

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

:root {
    --color-bg: #0a0a0b;
    --color-surface: #111113;
    --color-surface-raised: #1a1a1d;
    --color-border: #2a2a2d;
    --color-text: #e8e8ec;
    --color-text-muted: #8b8b94;
    --color-accent: #4f8ff7;
    --color-accent-hover: #6ba0f9;
    --color-accent-subtle: rgba(79, 143, 247, 0.08);
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    --font-mono: 'SF Mono', 'Fira Code', 'Fira Mono', monospace;
    --max-width: 1120px;
    --radius: 8px;
    --radius-lg: 12px;
    --transition: 0.2s ease;
}

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

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

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover {
    color: var(--color-accent-hover);
}

h1, h2, h3 {
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

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

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 16px 0;
    transition: all var(--transition);
    background: transparent;
}

.nav.scrolled {
    background: rgba(10, 10, 11, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--color-border);
    padding: 12px 0;
}

.nav-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: -0.03em;
}

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

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    font-weight: 500;
    transition: color var(--transition);
}

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

.nav-cta {
    background: var(--color-accent);
    color: #fff !important;
    padding: 8px 16px;
    border-radius: var(--radius);
    font-size: 0.875rem;
    font-weight: 500;
    transition: background var(--transition);
}

.nav-cta:hover {
    background: var(--color-accent-hover);
    color: #fff !important;
}

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

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 24px 80px;
    max-width: var(--max-width);
    margin: 0 auto;
}

.hero-content {
    max-width: 700px;
}

.hero-label {
    color: var(--color-accent);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    margin-bottom: 20px;
}

.hero-sub {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    line-height: 1.7;
    max-width: 560px;
    margin-bottom: 36px;
}

.hero-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: var(--radius);
    font-size: 0.9375rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
    border: none;
    font-family: var(--font-sans);
}

.btn-primary {
    background: var(--color-accent);
    color: #fff;
}

.btn-primary:hover {
    background: var(--color-accent-hover);
    color: #fff;
}

.btn-secondary {
    background: transparent;
    color: var(--color-text-muted);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    color: var(--color-text);
    border-color: var(--color-text-muted);
}

.btn-full {
    width: 100%;
}

/* ============================================
   Services
   ============================================ */

.services {
    padding: 100px 0;
    border-top: 1px solid var(--color-border);
}

.services h2 {
    font-size: 2rem;
    margin-bottom: 12px;
}

.section-sub {
    color: var(--color-text-muted);
    font-size: 1.0625rem;
    max-width: 520px;
    margin-bottom: 48px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.service-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 28px;
    transition: all var(--transition);
}

.service-card:hover {
    border-color: var(--color-accent);
    background: var(--color-accent-subtle);
}

.service-icon {
    color: var(--color-accent);
    margin-bottom: 16px;
}

.service-card h3 {
    font-size: 1.0625rem;
    margin-bottom: 8px;
    font-weight: 600;
}

.service-card p {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    line-height: 1.6;
}

/* ============================================
   About
   ============================================ */

.about {
    padding: 100px 0;
    border-top: 1px solid var(--color-border);
}

.about-grid {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 64px;
    align-items: start;
}

.about h2 {
    font-size: 2rem;
    margin-bottom: 20px;
}

.about-text p {
    color: var(--color-text-muted);
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 16px;
}

.about-stats {
    display: flex;
    gap: 40px;
    margin-top: 32px;
    padding-top: 32px;
    border-top: 1px solid var(--color-border);
}

.stat-number {
    display: block;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-accent);
    letter-spacing: -0.02em;
}

.stat-label {
    display: block;
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    margin-top: 4px;
}

.about-tech h3 {
    font-size: 1.0625rem;
    margin-bottom: 16px;
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 32px;
}

.tag {
    background: var(--color-surface-raised);
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
    padding: 6px 14px;
    border-radius: 100px;
    font-size: 0.8125rem;
    font-weight: 500;
}

.about-credentials {
    padding-bottom: 24px;
    margin-bottom: 24px;
    border-bottom: 1px solid var(--color-border);
}

.about-credentials h3 {
    margin-bottom: 12px;
}

.credential {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--color-text-muted);
    font-size: 0.9375rem;
}

.credential svg {
    color: var(--color-accent);
    flex-shrink: 0;
}

.about-education {
    padding-top: 0;
}

.about-education h3 {
    margin-bottom: 8px;
}

.about-education p {
    color: var(--color-text-muted);
    font-size: 0.9375rem;
    line-height: 1.5;
}

/* ============================================
   Contact
   ============================================ */

.contact {
    padding: 100px 0;
    border-top: 1px solid var(--color-border);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 64px;
    align-items: start;
}

.contact h2 {
    font-size: 2rem;
    margin-bottom: 16px;
}

.contact-info > p {
    color: var(--color-text-muted);
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 32px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--color-text-muted);
    font-size: 0.9375rem;
    transition: color var(--transition);
}

.contact-link:hover {
    color: var(--color-text);
}

.contact-link svg {
    flex-shrink: 0;
    color: var(--color-accent);
}

/* Contact Form */

.contact-form {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 32px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-text-muted);
    margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 14px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    color: var(--color-text);
    font-size: 0.9375rem;
    font-family: var(--font-sans);
    transition: border-color var(--transition);
    outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #555;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-accent);
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%238b8b94' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    cursor: pointer;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-note {
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.8125rem;
    margin-top: 12px;
}

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

.footer {
    padding: 32px 0;
    border-top: 1px solid var(--color-border);
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.footer p {
    color: var(--color-text-muted);
    font-size: 0.8125rem;
}

.footer-logo {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--color-text-muted);
    letter-spacing: -0.03em;
}

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

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

@media (max-width: 768px) {
    .nav-links a:not(.nav-cta) {
        display: none;
    }

    .hero {
        min-height: auto;
        padding: 140px 24px 60px;
    }

    .hero h1 {
        font-size: 2.25rem;
    }

    .services-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-stats {
        gap: 24px;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .contact-form {
        padding: 24px;
    }

    .footer-inner {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.875rem;
    }

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

    .hero-actions .btn {
        width: 100%;
        text-align: center;
    }

    .about-stats {
        flex-direction: column;
        gap: 16px;
    }
}