/* ==========================================================================
   Andy Tanguay Portfolio - Clean, Dark Theme
   ========================================================================== */

:root {
    --color-bg: #0a0a0b;
    --color-bg-elevated: #141416;
    --color-bg-card: #1a1a1e;
    --color-text: #e8e8eb;
    --color-text-muted: #8b8b94;
    --color-accent: #4A9EFF;
    --color-accent-hover: #6bb3ff;
    --color-border: #2a2a30;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --container-width: 1100px;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
}

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

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color 0.2s ease;
}

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

ul {
    list-style: none;
}

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

/* Container
   ========================================================================== */

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

/* Section Titles
   ========================================================================== */

.section-title {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text);
    letter-spacing: -0.02em;
}

/* Header & Navigation
   ========================================================================== */

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(10, 10, 11, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: var(--spacing-sm) var(--spacing-md);
}

.nav-logo {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-text);
}

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

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.nav-links a {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    font-weight: 400;
}

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

.nav-cta {
    background-color: var(--color-accent);
    color: var(--color-bg) !important;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-weight: 500;
}

.nav-cta:hover {
    background-color: var(--color-accent-hover);
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 28px;
    height: 28px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

.mobile-menu-btn span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--color-text);
    transition: all 0.3s ease;
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

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

.btn {
    display: inline-block;
    padding: 0.875rem 1.75rem;
    font-size: 0.95rem;
    font-weight: 500;
    border-radius: 8px;
    transition: all 0.2s ease;
    cursor: pointer;
    border: none;
}

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

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

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

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

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

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-elevated) 100%);
}

.hero .container {
    text-align: center;
}

.hero-name {
    font-size: clamp(2.5rem, 8vw, 4.5rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.hero-title {
    font-size: clamp(1rem, 3vw, 1.5rem);
    color: var(--color-accent);
    font-weight: 500;
    margin-bottom: var(--spacing-md);
}

.hero-tagline {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--color-text-muted);
    max-width: 600px;
    margin: 0 auto var(--spacing-lg);
    line-height: 1.7;
}

.hero-ctas {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

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

.about {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-bg-elevated);
}

.about-content {
    max-width: 800px;
}

.about-content p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
}

.about-content p:last-child {
    margin-bottom: 0;
}

.about-emphasis {
    color: var(--color-text) !important;
    font-weight: 500;
    font-style: italic;
}

/* Work Section
   ========================================================================== */

.work {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-bg);
}

/* Video Embed */
.reel-container {
    margin-bottom: var(--spacing-lg);
}

.video-wrapper {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    height: 0;
    overflow: hidden;
    border-radius: 12px;
    background-color: var(--color-bg-card);
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* Project Grid */
.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.project-card {
    background-color: var(--color-bg-card);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--color-border);
    transition: border-color 0.2s ease, transform 0.2s ease;
}

.project-card:hover {
    border-color: var(--color-text-muted);
    transform: translateY(-2px);
}

.project-image {
    aspect-ratio: 16 / 10;
    background-color: var(--color-bg-elevated);
    overflow: hidden;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-image.placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-bg-elevated) 0%, var(--color-bg-card) 100%);
    border-bottom: 1px solid var(--color-border);
}

.placeholder-text {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    font-weight: 500;
}

.project-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    padding: var(--spacing-sm) var(--spacing-sm) var(--spacing-xs);
    color: var(--color-text);
}

.project-card p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    padding: 0 var(--spacing-sm) var(--spacing-sm);
    line-height: 1.6;
}

/* Skills Section
   ========================================================================== */

.skills {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-bg-elevated);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.skills-column h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--color-accent);
}

.skills-column ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.skills-column li {
    font-size: 1rem;
    color: var(--color-text-muted);
    padding: var(--spacing-xs) 0;
    border-bottom: 1px solid var(--color-border);
}

.skills-column li:last-child {
    border-bottom: none;
}

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

.contact {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-bg);
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.contact-link {
    display: flex;
    flex-direction: column;
    padding: var(--spacing-md);
    background-color: var(--color-bg-card);
    border-radius: 12px;
    border: 1px solid var(--color-border);
    transition: border-color 0.2s ease;
    color: var(--color-text);
}

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

.contact-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
}

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

.site-footer {
    padding: var(--spacing-md) 0;
    border-top: 1px solid var(--color-border);
    background-color: var(--color-bg);
}

.site-footer p {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    text-align: center;
}

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

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        bottom: 0;
        background-color: var(--color-bg);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: var(--spacing-md);
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.3s ease, visibility 0.3s ease;
    }

    .nav-links.active {
        opacity: 1;
        visibility: visible;
    }

    .nav-links a {
        font-size: 1.25rem;
    }

    .hero {
        min-height: calc(100vh - 60px);
    }

    .section-title {
        font-size: 1.5rem;
        margin-bottom: var(--spacing-md);
    }

    .about,
    .work,
    .skills,
    .contact {
        padding: var(--spacing-lg) 0;
    }

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

    .contact-info {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-md: 1.5rem;
        --spacing-lg: 3rem;
    }

    .container {
        padding: 0 var(--spacing-sm);
    }

    .hero-ctas {
        flex-direction: column;
        align-items: stretch;
    }

    .btn {
        text-align: center;
    }
}