/* ============================================
   Pro Tech Solutions - Landing Page
   Dark theme, orange accent, DM Sans
   Glassmorphism design system
   ============================================ */

:root {
    --bg-primary: #09090b;
    --bg-secondary: #111113;
    --bg-card: #18181b;
    --bg-card-hover: #1f1f23;
    --border: #27272a;
    --border-light: #3f3f46;
    --text-primary: #fafafa;
    --text-secondary: #b8b8c0;
    --text-muted: #9b9ba8;
    --accent: #F57C00;
    --accent-hover: #FF8F1C;
    --accent-glow: rgba(245, 124, 0, 0.15);
    --accent-soft: rgba(245, 124, 0, 0.08);
    --green: #22c55e;
    --red: #ef4444;
    --radius: 16px;
    --radius-sm: 12px;
    --transition: 0.2s ease;

    /* Glass tokens */
    --glass-bg: rgba(255, 255, 255, 0.06);
    --glass-bg-hover: rgba(255, 255, 255, 0.10);
    --glass-bg-strong: rgba(255, 255, 255, 0.08);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-border-hover: rgba(255, 255, 255, 0.14);
    --glass-blur: blur(12px);
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }

.skip-link {
    position: absolute; top: -100%; left: 0;
    background: var(--accent); color: #000;
    padding: 12px 24px; font-weight: 700;
    z-index: 9999; text-decoration: none;
    border-radius: 0 0 8px 0;
}
.skip-link:focus { top: 0; }

.sr-only {
    position: absolute; width: 1px; height: 1px;
    padding: 0; margin: -1px; overflow: hidden;
    clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

body {
    font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

.container { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

/* ============ Navigation ============ */
.nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    background: rgba(9, 9, 11, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
}

.nav-container {
    max-width: 1080px; margin: 0 auto; padding: 0 24px;
    height: 60px; display: flex; align-items: center; justify-content: space-between;
}

.nav-logo { display: flex; align-items: center; text-decoration: none; }
.nav-logo-img { height: 34px; width: auto; }
.nav-links { display: flex; align-items: center; gap: 20px; }
.nav-links a { text-decoration: none; color: var(--text-muted); font-size: 0.85rem; font-weight: 500; transition: color var(--transition); }
.nav-links a:hover { color: var(--text-primary); }

.nav-basketball {
    color: var(--accent) !important;
    font-weight: 600 !important;
}
.nav-basketball:hover { color: var(--accent-hover) !important; }

.nav-website {
    color: var(--green) !important;
    font-weight: 600 !important;
}
.nav-website:hover { color: #4ade80 !important; }

.lang-switch {
    font-size: 0.75rem !important; font-weight: 600 !important; color: var(--text-muted) !important;
    border: 1px solid var(--glass-border); border-radius: 6px; padding: 3px 7px !important; letter-spacing: 0.05em;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
}
.lang-switch:hover { color: var(--text-primary) !important; border-color: var(--glass-border-hover); background: var(--glass-bg-hover); }

.nav-toggle {
    display: none; background: none; border: none; cursor: pointer;
    padding: 10px; flex-direction: column; gap: 5px;
    min-width: 44px; min-height: 44px;
}
.nav-toggle span {
    display: block; width: 20px; height: 2px; background: var(--text-primary);
    transition: all 0.3s ease; border-radius: 1px;
}
.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ============ Buttons ============ */
.btn {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 14px 32px; border-radius: var(--radius-sm); font-size: 0.92rem;
    font-weight: 600; text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer; border: none; font-family: inherit;
    position: relative; touch-action: manipulation;
}
.btn-sm { padding: 7px 18px; font-size: 0.82rem; }
.btn-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-hover));
    color: #000;
    box-shadow: 0 4px 15px rgba(245, 124, 0, 0.25);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(245, 124, 0, 0.4), 0 0 60px rgba(245, 124, 0, 0.15);
}
.btn-primary:active { transform: translateY(0); }
.btn-ghost {
    background: transparent; color: var(--text-secondary);
    border: 1px solid var(--glass-border);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
}
.btn-ghost:hover {
    color: var(--text-primary);
    border-color: var(--glass-border-hover);
    background: var(--glass-bg);
    transform: translateY(-1px);
}
.btn-outline {
    background: var(--glass-bg); color: var(--text-primary);
    border: 1px solid var(--glass-border);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
}
.btn-outline:hover {
    border-color: var(--glass-border-hover);
    background: var(--glass-bg-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}
.btn-full { width: 100%; }

.btn-basketball {
    background: var(--glass-bg);
    color: var(--accent);
    border: 2px solid var(--accent);
    padding: 14px 32px;
    font-size: 0.92rem;
    white-space: nowrap;
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
}
.btn-basketball:hover {
    background: var(--accent);
    color: #000;
    box-shadow: 0 0 30px var(--accent-glow);
}

/* ============ Hero ============ */
.hero {
    padding: 100px 0 32px;
    position: relative;
    overflow: hidden;
}

/* Gradient background for glass to shine over */
.hero::before {
    content: '';
    position: absolute;
    top: -40%; left: -20%;
    width: 70%; height: 120%;
    background: radial-gradient(ellipse, rgba(245, 124, 0, 0.07) 0%, transparent 70%);
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -20%; right: -10%;
    width: 50%; height: 80%;
    background: radial-gradient(ellipse, rgba(245, 124, 0, 0.04) 0%, transparent 70%);
    pointer-events: none;
}

.hero .container { position: relative; z-index: 1; }

.hero-badge {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent);
    background: var(--glass-bg);
    border: 1px solid rgba(245, 124, 0, 0.2);
    border-radius: 20px;
    padding: 5px 14px;
    margin-bottom: 20px;
    letter-spacing: 0.03em;
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
}

.hero h1 {
    font-size: clamp(2.4rem, 5.5vw, 3.4rem);
    font-weight: 800; line-height: 1.08; letter-spacing: -0.04em; margin-bottom: 20px;
    max-width: 700px;
}

.hero-accent { color: var(--accent); }

.hero-subtitle {
    font-size: 1.05rem; color: var(--text-secondary); line-height: 1.7;
    margin-bottom: 32px; max-width: 580px;
}
.hero-subtitle strong { color: var(--text-primary); font-weight: 700; }

.hero-cta { display: flex; gap: 12px; margin-bottom: 28px; }

.hero-stats {
    display: flex; align-items: stretch; gap: 16px;
    padding-top: 24px;
}
.stat {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-left: 3px solid var(--accent);
    border-radius: var(--radius);
    padding: 22px 28px;
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    flex: 1;
}
.stat:hover {
    border-color: rgba(245, 124, 0, 0.25);
    border-left-color: var(--accent);
    background: var(--glass-bg-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3), 0 0 20px rgba(245, 124, 0, 0.06);
}
.stat-number {
    display: block; font-size: 2rem; font-weight: 800;
    letter-spacing: -0.04em; color: var(--text-primary);
    line-height: 1;
    margin-bottom: 4px;
}
.stat-label { font-size: 0.82rem; color: var(--accent); font-weight: 600; letter-spacing: 0.02em; }
.stat-divider { display: none; }

/* ============ Problem / Solution ============ */
.problem {
    padding: 28px 0;
    position: relative;
    overflow: hidden;
}

.problem::before {
    content: '';
    position: absolute;
    top: -30%; left: 50%;
    transform: translateX(-50%);
    width: 80%; height: 160%;
    background: radial-gradient(ellipse, rgba(245, 124, 0, 0.03) 0%, transparent 70%);
    pointer-events: none;
}

.problem .container { position: relative; z-index: 1; }

.problem-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.problem-card {
    border-radius: var(--radius); padding: 28px;
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    transition: all var(--transition);
}

.problem-card h3 { font-size: 0.9rem; font-weight: 700; margin-bottom: 16px; text-transform: uppercase; letter-spacing: 0.05em; }
.problem-card ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.problem-card li { font-size: 0.95rem; color: var(--text-secondary); padding-left: 24px; position: relative; line-height: 1.55; }
.problem-card li::before { position: absolute; left: 0; font-weight: 700; }

.problem-bad {
    background: rgba(239, 68, 68, 0.04);
    border: 1px solid rgba(239, 68, 68, 0.12);
    box-shadow: inset 0 1px 0 0 rgba(239, 68, 68, 0.06);
}
.problem-bad h3 { color: var(--red); }
.problem-bad li::before { content: "\2717"; color: var(--red); }

.problem-good {
    background: rgba(34, 197, 94, 0.04);
    border: 1px solid rgba(34, 197, 94, 0.12);
    box-shadow: inset 0 1px 0 0 rgba(34, 197, 94, 0.06);
}
.problem-good h3 { color: var(--green); }
.problem-good li::before { content: "\2713"; color: var(--green); }

/* ============ How It Works ============ */
.how {
    padding: 36px 0;
    border-top: 1px solid var(--glass-border);
    position: relative;
    overflow: hidden;
}

.how::before {
    content: '';
    position: absolute;
    top: 0; right: -10%;
    width: 60%; height: 100%;
    background: radial-gradient(ellipse at 70% 50%, rgba(245, 124, 0, 0.05) 0%, transparent 70%);
    pointer-events: none;
}

.how .container { position: relative; z-index: 1; }

.steps-grid {
    display: flex; align-items: flex-start; gap: 16px;
    margin-top: 20px;
}

.step {
    flex: 1;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    padding: 28px;
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    transition: all var(--transition);
}

.step:hover {
    background: var(--glass-bg-hover);
    border-color: var(--glass-border-hover);
    transform: translateY(-2px);
}

.step-number {
    display: inline-flex; align-items: center; justify-content: center;
    width: 36px; height: 36px; border-radius: 50%;
    background: var(--accent); color: #000;
    font-weight: 800; font-size: 0.9rem;
    margin-bottom: 14px;
    box-shadow: 0 0 20px rgba(245, 124, 0, 0.3), 0 0 40px rgba(245, 124, 0, 0.1);
}

.step h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
.step p { color: var(--text-secondary); font-size: 0.92rem; line-height: 1.6; }

.step-arrow {
    color: var(--text-muted); font-size: 1.4rem;
    padding-top: 40px;
    flex-shrink: 0;
}

/* ============ Solutions ============ */
.solutions {
    padding: 36px 0;
    border-top: 1px solid var(--glass-border);
    position: relative;
    overflow: hidden;
}

.solutions::before {
    content: '';
    position: absolute;
    top: 10%; left: -15%;
    width: 60%; height: 80%;
    background: radial-gradient(ellipse, rgba(245, 124, 0, 0.04) 0%, transparent 70%);
    pointer-events: none;
}

.solutions::after {
    content: '';
    position: absolute;
    bottom: 0; right: -10%;
    width: 50%; height: 60%;
    background: radial-gradient(ellipse, rgba(245, 124, 0, 0.03) 0%, transparent 70%);
    pointer-events: none;
}

.solutions .container { position: relative; z-index: 1; }

.section-title { font-size: 1.6rem; font-weight: 800; letter-spacing: -0.03em; margin-bottom: 6px; }
.section-subtitle { color: var(--text-secondary); font-size: 0.92rem; margin-bottom: 24px; }

.solutions-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }

.solution-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius); padding: 24px;
    transition: all var(--transition); position: relative;
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
}
.solution-card:hover {
    background: var(--glass-bg-hover);
    border-color: var(--glass-border-hover);
    transform: translateY(-2px);
}

.solution-featured {
    border-color: rgba(245, 124, 0, 0.25);
    background: rgba(245, 124, 0, 0.06);
    box-shadow: 0 0 60px rgba(245, 124, 0, 0.06), inset 0 1px 0 0 rgba(245, 124, 0, 0.1);
}
.solution-featured:hover {
    background: rgba(245, 124, 0, 0.09);
    border-color: rgba(245, 124, 0, 0.35);
    box-shadow: 0 0 80px rgba(245, 124, 0, 0.1), inset 0 1px 0 0 rgba(245, 124, 0, 0.12);
}

.solution-tag {
    display: inline-block;
    font-size: 0.75rem; font-weight: 700; text-transform: uppercase;
    color: var(--accent); letter-spacing: 0.08em;
    margin-bottom: 10px;
}

.solution-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
.solution-card p { color: var(--text-secondary); font-size: 0.92rem; line-height: 1.6; margin-bottom: 12px; }
.solution-example { font-size: 0.75rem; color: var(--text-muted); font-style: italic; }

/* ============ Sports Banner ============ */
.sports-banner {
    padding: 32px 0;
    border-top: 1px solid var(--glass-border);
    position: relative;
    overflow: hidden;
}

.sports-banner::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(135deg, rgba(245, 124, 0, 0.06) 0%, rgba(120, 50, 180, 0.04) 50%, transparent 100%);
    pointer-events: none;
}

.sports-banner .container { position: relative; z-index: 1; }

.sports-banner-content {
    display: flex; align-items: center; justify-content: space-between; gap: 40px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    padding: 32px;
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
}

.sports-banner-text h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 8px; }
.sports-banner-text p { color: var(--text-secondary); font-size: 0.88rem; line-height: 1.6; max-width: 560px; }

/* ============ Portfolio Banner ============ */
.portfolio-hint {
    padding: 32px 0;
    border-top: 1px solid var(--glass-border);
    position: relative;
    overflow: hidden;
}

.portfolio-hint::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.06) 0%, rgba(34, 197, 94, 0.02) 50%, transparent 100%);
    pointer-events: none;
}

.portfolio-hint .container { position: relative; z-index: 1; }

.portfolio-hint-content {
    display: flex; align-items: center; justify-content: space-between; gap: 40px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    padding: 28px 32px;
}

.portfolio-hint-text h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.portfolio-hint-text p {
    color: var(--text-secondary);
    font-size: 0.88rem;
    line-height: 1.6;
    max-width: 560px;
}

.btn-portfolio {
    white-space: nowrap;
    font-size: 0.85rem;
    padding: 12px 24px;
    background: var(--green);
    border: none;
    border-radius: 10px;
    color: #fff;
    text-decoration: none;
    font-weight: 700;
    transition: all var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-portfolio:hover {
    background: #4ade80;
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(34, 197, 94, 0.2);
}

.btn-portfolio svg {
    width: 16px;
    height: 16px;
    transition: transform var(--transition);
}

.btn-portfolio:hover svg {
    transform: translateX(4px);
}

/* ============ Contact ============ */
.contact {
    padding: 36px 0;
    border-top: 1px solid var(--glass-border);
    position: relative;
    overflow: hidden;
}

.contact::before {
    content: '';
    position: absolute;
    bottom: -20%; right: -10%;
    width: 60%; height: 100%;
    background: radial-gradient(ellipse, rgba(245, 124, 0, 0.04) 0%, transparent 70%);
    pointer-events: none;
}

.contact .container { position: relative; z-index: 1; }

.contact-content {
    display: grid; grid-template-columns: 1.4fr 1fr; gap: 48px; align-items: start;
}

.contact-form {
    display: flex; flex-direction: column; gap: 14px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    padding: 28px;
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-group { display: flex; flex-direction: column; gap: 5px; }
.form-group label { font-size: 0.8rem; font-weight: 500; color: var(--text-secondary); }

.form-group input,
.form-group textarea {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    padding: 11px 14px; color: var(--text-primary); font-size: 1rem;
    font-family: inherit; transition: all var(--transition); outline: none;
}
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--text-muted); }
.form-group input:focus, .form-group textarea:focus { border-color: var(--accent); background: rgba(255, 255, 255, 0.06); }
.form-group textarea { resize: vertical; min-height: 90px; }

.contact-info { display: flex; flex-direction: column; gap: 24px; padding-top: 6px; }
.contact-info-item h4 {
    font-size: 0.72rem; font-weight: 600; color: var(--text-muted);
    text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 4px;
}
.contact-info-item a, .contact-info-item p { color: var(--text-secondary); text-decoration: none; font-size: 0.9rem; }
.contact-info-item a:hover { color: var(--accent); }

/* ============ Consent Checkbox ============ */
.form-consent { margin-top: 4px; }
.form-consent label { font-size: 0.8rem; color: var(--text-muted); display: block; line-height: 1.5; cursor: pointer; }
.form-consent input[type="checkbox"] { accent-color: var(--accent); width: 16px; height: 16px; appearance: auto; -webkit-appearance: checkbox; cursor: pointer; vertical-align: middle; margin-right: 6px; }
.form-consent a { color: var(--accent); text-decoration: underline; }

/* ============ Footer ============ */
.footer { border-top: 1px solid var(--glass-border); padding: 24px 0; }
.footer-content { display: flex; align-items: center; justify-content: space-between; }
.footer-logo-img { height: 26px; width: auto; opacity: 0.5; }
.footer-logo-img:hover { opacity: 0.7; }
.footer-links { display: flex; gap: 24px; }
.footer-links a { color: var(--text-muted); text-decoration: none; font-size: 0.78rem; transition: color var(--transition); }
.footer-links a:hover { color: var(--text-secondary); }
.footer-copy { font-size: 0.78rem; color: var(--text-muted); }

/* ============ Fallback for no backdrop-filter ============ */
@supports not (backdrop-filter: blur(12px)) {
    .step,
    .solution-card,
    .problem-card,
    .sports-banner-content,
    .contact-form,
    .hero-badge,
    .lang-switch,
    .btn-outline,
    .btn-basketball {
        background: var(--bg-card);
    }
    .solution-featured {
        background: linear-gradient(135deg, var(--accent-soft), var(--bg-card));
    }
    .problem-bad { background: rgba(239, 68, 68, 0.06); }
    .problem-good { background: rgba(34, 197, 94, 0.06); }
    .nav { background: rgba(9, 9, 11, 0.95); }
}

/* ============ Responsive ============ */
@media (max-width: 768px) {
    .nav-toggle { display: flex; }
    .nav-links {
        display: none; position: absolute; top: 60px; left: 0; right: 0;
        background: rgba(9, 9, 11, 0.92); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
        flex-direction: column; padding: 24px; gap: 16px;
        border-bottom: 1px solid var(--glass-border);
    }
    .nav-links.nav-open { display: flex; }

    .hero { padding: 100px 0 40px; }
    .hero-cta { flex-direction: column; }
    .hero-stats { flex-direction: column; gap: 16px; align-items: flex-start; }
    .stat-divider { display: none; }

    .problem-grid { grid-template-columns: 1fr; }
    .steps-grid { flex-direction: column; }
    .step-arrow { display: none; }
    .solutions-grid { grid-template-columns: 1fr; }
    .sports-banner-content { flex-direction: column; text-align: center; padding: 24px; }
    .sports-banner-text p { max-width: none; }
    .portfolio-hint-content { flex-direction: column; text-align: center; padding: 24px; }
    .portfolio-hint-text p { max-width: none; }
    .contact-content { grid-template-columns: 1fr; gap: 32px; }
    .form-row { grid-template-columns: 1fr; }
    .footer-content { flex-direction: column; gap: 12px; text-align: center; }
}

@media (max-width: 480px) {
    .container { padding: 0 16px; }
    .hero h1 { font-size: 1.9rem; }
    .hero-subtitle { font-size: 0.95rem; }
    .hero-stats { flex-direction: column; gap: 10px; }
    .stat { padding: 16px 20px; }
    .stat-number { font-size: 1.6rem; }
    .btn { padding: 12px 24px; font-size: 0.85rem; }
    .btn-basketball { padding: 12px 24px; font-size: 0.85rem; }
    .problem-card { padding: 20px; }
    .step { padding: 20px; }
    .solution-card { padding: 20px; }
    .section-title { font-size: 1.35rem; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
    html { scroll-behavior: auto; }
}