/* ═══════════════════════════════════════════════════════════
   WORKOUT TRACKER HOMEPAGE — Dark Steel Theme
   manuelankner.com
   ═══════════════════════════════════════════════════════════ */

/* ─── CSS Variables ──────────────────────────────────────── */
:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-card: rgba(30, 30, 46, 0.6);
    --bg-card-hover: rgba(40, 40, 60, 0.8);
    --border-card: rgba(255, 255, 255, 0.06);
    --border-hover: rgba(59, 130, 246, 0.3);
    --text-primary: #f0f0f5;
    --text-secondary: #8888a0;
    --text-muted: #555570;
    --accent-blue: #3b82f6;
    --accent-blue-glow: rgba(59, 130, 246, 0.15);
    --accent-green: #10b981;
    --accent-red: #ef4444;
    --accent-orange: #f59e0b;
    --accent-purple: #a855f7;
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 40px rgba(59, 130, 246, 0.1);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ─── Reset & Base ───────────────────────────────────────── */
* {
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-main);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    overflow-x: hidden;
}

::selection {
    background: var(--accent-blue);
    color: white;
}

/* ─── Navigation ─────────────────────────────────────────── */
nav {
    background: rgba(10, 10, 15, 0.85) !important;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-card);
    box-shadow: none !important;
    position: fixed;
    top: 0;
    z-index: 1000;
    height: 70px;
    line-height: 70px;
}

nav .nav-wrapper {
    height: 70px;
}

.logo-text {
    font-size: 1.8rem !important;
    font-weight: 800;
    letter-spacing: -1px;
    color: var(--text-primary) !important;
}

.accent-dot {
    color: var(--accent-blue);
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    color: var(--text-secondary) !important;
    transition: var(--transition);
    position: relative;
}

.nav-link:hover {
    color: var(--text-primary) !important;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 20px;
    height: 2px;
    background: var(--accent-blue);
    transition: transform 0.3s ease;
}

.nav-link:hover::after {
    transform: translateX(-50%) scaleX(1);
}

.sidenav-dark {
    background: var(--bg-secondary) !important;
}

.sidenav-dark li > a {
    color: var(--text-primary) !important;
}

/* ─── Hero Section ───────────────────────────────────────── */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 70px;
    overflow: hidden;
}

.hero-bg-animation {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(ellipse at 20% 50%, rgba(59, 130, 246, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(168, 85, 247, 0.05) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 80%, rgba(16, 185, 129, 0.04) 0%, transparent 50%);
    animation: heroGlow 8s ease-in-out infinite alternate;
}

@keyframes heroGlow {
    0% { opacity: 0.6; transform: scale(1); }
    100% { opacity: 1; transform: scale(1.05); }
}

.hero-content {
    position: relative;
    z-index: 2;
    min-height: 60vh;
}

.hero-subtitle {
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--accent-blue);
    margin-bottom: 0.5rem;
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 900;
    line-height: 1.05;
    letter-spacing: -2px;
    margin: 0 0 1.5rem 0;
    color: var(--text-primary);
}

.hero-description {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 500px;
    margin-bottom: 2.5rem;
    line-height: 1.8;
}

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

.btn-primary {
    background: var(--accent-blue) !important;
    border-radius: var(--radius-sm);
    font-weight: 600;
    letter-spacing: 0.5px;
    padding: 0 2rem;
    height: 48px;
    line-height: 48px;
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.3);
    transition: var(--transition);
}

.btn-primary:hover {
    box-shadow: 0 8px 30px rgba(59, 130, 246, 0.5);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent !important;
    border: 1.5px solid var(--border-card);
    border-radius: var(--radius-sm);
    font-weight: 600;
    letter-spacing: 0.5px;
    padding: 0 2rem;
    height: 48px;
    line-height: 46px;
    color: var(--text-primary) !important;
    transition: var(--transition);
}

.btn-outline:hover {
    border-color: var(--accent-blue);
    background: var(--accent-blue-glow) !important;
}

/* Level Ring */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.level-ring {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    border: 3px solid var(--accent-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    box-shadow: 0 0 60px rgba(59, 130, 246, 0.2), inset 0 0 40px rgba(59, 130, 246, 0.05);
    animation: ringPulse 3s ease-in-out infinite;
}

@keyframes ringPulse {
    0%, 100% { box-shadow: 0 0 60px rgba(59, 130, 246, 0.2), inset 0 0 40px rgba(59, 130, 246, 0.05); }
    50% { box-shadow: 0 0 80px rgba(59, 130, 246, 0.35), inset 0 0 50px rgba(59, 130, 246, 0.1); }
}

.level-ring-inner {
    text-align: center;
}

.level-number {
    display: block;
    font-size: 4rem;
    font-weight: 900;
    color: var(--accent-blue);
    line-height: 1;
}

.level-label {
    display: block;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
    color: var(--text-muted);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

/* ─── Sections ───────────────────────────────────────────── */
.section-padding {
    padding: 100px 0;
}

.section-dark {
    background: var(--bg-secondary);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 0.5rem;
}

.section-divider {
    width: 50px;
    height: 3px;
    background: var(--accent-blue);
    border-radius: 2px;
    margin-bottom: 1rem;
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 3rem;
}

/* ─── Glass Cards ────────────────────────────────────────── */
.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--border-card);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: var(--transition);
    box-shadow: var(--shadow-card);
}

.glass-card:hover {
    border-color: var(--border-hover);
    background: var(--bg-card-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-card), var(--shadow-glow);
}

/* ─── About Section ──────────────────────────────────────── */
.about-stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.about-stat {
    text-align: center;
    padding: 1rem;
    border-radius: var(--radius-md);
    background: rgba(59, 130, 246, 0.05);
    border: 1px solid rgba(59, 130, 246, 0.1);
}

.stat-value {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent-blue);
    line-height: 1.2;
}

.stat-unit {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-left: 2px;
}

.stat-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 0.3rem;
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-size: 1rem;
}

.about-text strong {
    color: var(--text-primary);
}

/* ─── Stats Section ──────────────────────────────────────── */
.stats-card {
    margin-bottom: 0;
}

.card-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.card-title i {
    font-size: 1.2rem;
    color: var(--accent-blue);
}

/* Week Dots */
.week-dots {
    display: flex;
    justify-content: space-between;
    gap: 0.5rem;
}

.day-dot {
    text-align: center;
    flex: 1;
}

.day-dot span {
    display: block;
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
}

.day-dot .dot {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid var(--border-card);
    margin: 0 auto;
    transition: var(--transition);
}

.day-dot.active .dot {
    background: var(--accent-green);
    border-color: var(--accent-green);
    box-shadow: 0 0 15px rgba(16, 185, 129, 0.4);
}

.day-dot.missed .dot {
    background: rgba(239, 68, 68, 0.2);
    border-color: rgba(239, 68, 68, 0.4);
}

/* Skill Cards */
.skill-card {
    text-align: center;
    padding: 1.5rem;
}

.skill-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.skill-icon.push-power { background: rgba(239, 68, 68, 0.15); }
.skill-icon.push-power i { color: var(--accent-red); }
.skill-icon.core { background: rgba(245, 158, 11, 0.15); }
.skill-icon.core i { color: var(--accent-orange); }
.skill-icon.legs { background: rgba(16, 185, 129, 0.15); }
.skill-icon.legs i { color: var(--accent-green); }
.skill-icon.skills { background: rgba(168, 85, 247, 0.15); }
.skill-icon.skills i { color: var(--accent-purple); }

.skill-name {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.skill-level {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.level-elite { background: rgba(239, 68, 68, 0.15); color: var(--accent-red); border: 1px solid rgba(239, 68, 68, 0.3); }
.level-novice { background: rgba(16, 185, 129, 0.15); color: var(--accent-green); border: 1px solid rgba(16, 185, 129, 0.3); }
.level-beginner { background: rgba(59, 130, 246, 0.15); color: var(--accent-blue); border: 1px solid rgba(59, 130, 246, 0.3); }
.level-intermediate { background: rgba(245, 158, 11, 0.15); color: var(--accent-orange); border: 1px solid rgba(245, 158, 11, 0.3); }
.level-advanced { background: rgba(168, 85, 247, 0.15); color: var(--accent-purple); border: 1px solid rgba(168, 85, 247, 0.3); }

.skill-reps {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin: 0.5rem 0;
}

.skill-progress {
    background: rgba(255, 255, 255, 0.05) !important;
    border-radius: 10px;
    height: 6px !important;
}

.skill-progress .determinate {
    border-radius: 10px;
}

.skill-progress .determinate[data-color="red"] { background: var(--accent-red) !important; }
.skill-progress .determinate[data-color="orange"] { background: var(--accent-orange) !important; }
.skill-progress .determinate[data-color="green"] { background: var(--accent-green) !important; }
.skill-progress .determinate[data-color="purple"] { background: var(--accent-purple) !important; }

/* Big Stats */
.big-stat {
    text-align: center;
    padding: 1rem 0;
}

.big-number {
    font-size: 4rem;
    font-weight: 900;
    color: var(--accent-blue);
    font-family: var(--font-mono);
    line-height: 1;
}

.big-label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-top: 0.5rem;
}

.xp-progress-container {
    margin-top: 1rem;
}

.xp-progress-container .progress {
    background: rgba(255, 255, 255, 0.05) !important;
    border-radius: 10px;
    height: 8px !important;
}

.xp-progress-container .determinate {
    background: var(--accent-blue) !important;
    border-radius: 10px;
}

.xp-next-level {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-align: center;
    margin-top: 0.5rem;
}

/* Workout Table */
.workout-table {
    border: none;
}

.workout-table th {
    color: var(--text-muted);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-bottom: 1px solid var(--border-card);
    padding: 0.8rem;
}

.workout-table td {
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-card);
    padding: 0.8rem;
    font-size: 0.9rem;
}

.workout-table tr:last-child td {
    border-bottom: none;
}

/* ─── App Showcase ───────────────────────────────────────── */
.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.2rem;
    margin-bottom: 1rem;
    border-radius: var(--radius-md);
}

.feature-icon {
    width: 44px;
    height: 44px;
    min-width: 44px;
    border-radius: var(--radius-sm);
    background: var(--accent-blue-glow);
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-icon i {
    color: var(--accent-blue);
    font-size: 1.3rem;
}

.feature-text h6 {
    font-weight: 700;
    font-size: 1rem;
    margin: 0 0 0.3rem 0;
    color: var(--text-primary);
}

.feature-text p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.5;
}

/* Phone Mockup */
.app-mockup {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
}

.phone-frame {
    width: 280px;
    height: 560px;
    background: var(--bg-secondary);
    border-radius: 36px;
    border: 3px solid rgba(255, 255, 255, 0.1);
    padding: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), inset 0 0 0 1px rgba(255, 255, 255, 0.05);
    position: relative;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: #121212;
    border-radius: 24px;
    overflow: hidden;
    padding: 1.5rem 1rem;
    display: flex;
    flex-direction: column;
}

.mockup-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.mockup-icon {
    font-size: 1.2rem;
}

.mockup-title {
    font-weight: 700;
    font-size: 1rem;
}

.mockup-tabs {
    display: flex;
    gap: 0.8rem;
    margin-bottom: 1.5rem;
    font-size: 0.7rem;
    color: var(--text-muted);
}

.tab-active {
    color: var(--accent-blue);
    border-bottom: 2px solid var(--accent-blue);
    padding-bottom: 4px;
}

.mockup-card {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    padding: 1rem;
    flex: 1;
}

.mockup-card h6 {
    font-size: 0.9rem;
    font-weight: 700;
    margin: 0 0 0.8rem 0;
}

.mockup-reps {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 0.8rem;
}

.rep-btn {
    width: 30px;
    height: 30px;
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--text-secondary);
}

.rep-count {
    font-size: 1.5rem;
    font-weight: 800;
    font-family: var(--font-mono);
}

.mockup-set {
    text-align: center;
    font-size: 0.8rem;
    background: rgba(255, 255, 255, 0.08);
    padding: 0.4rem 0.8rem;
    border-radius: 6px;
    display: inline-block;
    margin-bottom: 0.5rem;
}

.mockup-progress {
    font-size: 0.75rem;
    color: var(--accent-green);
}

.mockup-nav {
    display: flex;
    justify-content: space-around;
    padding-top: 1rem;
    border-top: 1px solid var(--border-card);
    margin-top: auto;
    font-size: 0.7rem;
    color: var(--text-muted);
}

.nav-active {
    color: var(--accent-blue);
}

/* ─── Tech Stack ─────────────────────────────────────────── */
.tech-badge {
    text-align: center;
    padding: 1.5rem 1rem;
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
}

.tech-icon {
    display: block;
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.tech-name {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: 0.5px;
}

/* ─── Contact ────────────────────────────────────────────── */
.contact-card {
    text-align: center;
    padding: 3rem 2rem;
}

.contact-text {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.contact-links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    color: var(--text-primary);
    font-weight: 500;
    padding: 0.8rem 1.5rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-card);
    transition: var(--transition);
    text-decoration: none;
    min-width: 280px;
    justify-content: center;
}

.contact-link:hover {
    border-color: var(--accent-blue);
    background: var(--accent-blue-glow);
    color: var(--accent-blue);
}

.contact-link i {
    color: var(--accent-blue);
}

/* ─── Footer ─────────────────────────────────────────────── */
.page-footer {
    background: var(--bg-primary) !important;
    border-top: 1px solid var(--border-card);
    padding: 2rem 0 !important;
}

.footer-text {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin: 0;
}

/* ─── Animations ─────────────────────────────────────────── */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s ease forwards;
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* ─── Responsive ─────────────────────────────────────────── */
@media (max-width: 992px) {
    .hero-title {
        font-size: 3.5rem;
    }

    .section-title {
        font-size: 2rem;
    }
}

@media (max-width: 600px) {
    .hero-section {
        padding-top: 100px;
    }

    .hero-title {
        font-size: 2.8rem;
    }

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

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

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

    .section-padding {
        padding: 60px 0;
    }

    .glass-card {
        padding: 1.5rem;
    }

    .about-stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 1rem;
    }

    .week-dots {
        gap: 0.2rem;
    }

    .day-dot .dot {
        width: 28px;
        height: 28px;
    }

    .big-number {
        font-size: 3rem;
    }

    .phone-frame {
        width: 240px;
        height: 480px;
    }

    .contact-link {
        min-width: auto;
        width: 100%;
    }
}