/* ==========================================================================
   AK Site -- Orange accent (#FF9600), dark UI, modern glassmorphism
   ========================================================================== */

:root {
    --ak-orange: #FF9600;
    --ak-orange-hover: #e08700;
    --ak-orange-glow: rgba(255, 150, 0, 0.25);
    --ak-dark: #0d1117;
    --ak-dark-card: #161b22;
    --ak-dark-border: #30363d;
    --ak-dark-surface: #1c2128;
    --ak-text: #e6edf3;
    --ak-text-muted: #8b949e;
    --ak-white: #ffffff;
    --ak-light-bg: #f6f8fa;
    --ak-radius: 12px;
    --ak-radius-sm: 8px;
    --ak-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
    --ak-shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.2);
}

* { box-sizing: border-box; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: #24292f;
    background: var(--ak-white);
    -webkit-font-smoothing: antialiased;
}

/* ---------- Typography ---------- */

.ak-text-primary { color: var(--ak-orange) !important; }

.ak-section-title {
    font-weight: 800;
    font-size: 2.25rem;
    letter-spacing: -0.02em;
}

.ak-divider {
    width: 48px;
    height: 4px;
    background: var(--ak-orange);
    border-radius: 2px;
    margin-top: 12px;
}

/* ---------- Buttons ---------- */

.ak-btn-primary {
    background: var(--ak-orange);
    color: var(--ak-white);
    border: none;
    font-weight: 600;
    border-radius: var(--ak-radius-sm);
    transition: all 0.2s ease;
}

.ak-btn-primary:hover {
    background: var(--ak-orange-hover);
    color: var(--ak-white);
    transform: translateY(-1px);
    box-shadow: 0 4px 16px var(--ak-orange-glow);
}

/* ---------- Navbar ---------- */

.ak-navbar {
    background: rgba(13, 17, 23, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--ak-dark-border);
    padding: 0.6rem 0;
    transition: background 0.3s ease;
}

.ak-navbar .nav-link {
    color: var(--ak-text-muted);
    font-weight: 500;
    font-size: 0.9rem;
    padding: 0.5rem 1rem;
    transition: color 0.2s ease;
}

.ak-navbar .nav-link:hover {
    color: var(--ak-orange);
}

.ak-logo-bracket {
    color: var(--ak-orange);
    font-weight: 300;
    font-size: 1.4rem;
}

.ak-logo-text {
    color: var(--ak-white);
    font-weight: 800;
    font-size: 1.2rem;
    letter-spacing: 0.05em;
}

/* ---------- Hero ---------- */

.ak-hero {
    position: relative;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--ak-dark) 0%, #1a1f2e 50%, #1c2333 100%);
    overflow: hidden;
}

.ak-hero-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 70% 20%, var(--ak-orange-glow) 0%, transparent 50%),
        radial-gradient(ellipse at 20% 80%, rgba(255, 150, 0, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

.min-vh-75 { min-height: 75vh; }

.ak-hero-content { padding-top: 80px; }

.ak-hero-label {
    color: var(--ak-orange);
    font-weight: 700;
    font-size: 0.85rem;
    letter-spacing: 0.15em;
}

.ak-hero-title {
    color: var(--ak-white);
    font-weight: 900;
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 1rem;
}

.ak-hero-subtitle {
    color: var(--ak-text-muted);
    font-size: 1.15rem;
    line-height: 1.7;
    max-width: 520px;
}

/* Terminal graphic */

.ak-terminal {
    background: var(--ak-dark-card);
    border: 1px solid var(--ak-dark-border);
    border-radius: var(--ak-radius);
    overflow: hidden;
    box-shadow: var(--ak-shadow-lg);
    text-align: left;
    max-width: 400px;
    margin: 0 auto;
}

.ak-terminal-header {
    background: var(--ak-dark-surface);
    padding: 10px 14px;
    display: flex;
    align-items: center;
    gap: 7px;
    border-bottom: 1px solid var(--ak-dark-border);
}

.ak-terminal-dot {
    width: 11px;
    height: 11px;
    border-radius: 50%;
    display: inline-block;
}

.ak-terminal-title {
    color: var(--ak-text-muted);
    font-size: 0.75rem;
    margin-left: auto;
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
}

.ak-terminal-body {
    padding: 16px;
    font-family: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
    font-size: 0.78rem;
    line-height: 1.6;
    color: var(--ak-text-muted);
}

.ak-t-prompt { color: var(--ak-orange); font-weight: 700; }
.ak-t-cmd { color: #79c0ff; }
.ak-t-output { color: #8b949e; }
.ak-t-success { color: #3fb950; }

.ak-t-cursor {
    color: var(--ak-orange);
    animation: blink 1s step-end infinite;
}

@keyframes blink {
    50% { opacity: 0; }
}

/* ---------- Sections ---------- */

.ak-section {
    padding: 80px 0;
}

.ak-section-dark {
    background: var(--ak-dark);
    color: var(--ak-text);
}

.ak-section-dark .ak-section-title { color: var(--ak-white); }
.ak-section-dark .text-muted { color: var(--ak-text-muted) !important; }

/* ---------- Stat Cards ---------- */

.ak-stat-card {
    background: var(--ak-light-bg);
    border: 1px solid #e1e4e8;
    border-radius: var(--ak-radius);
    padding: 24px 20px;
    text-align: center;
    transition: all 0.25s ease;
}

.ak-stat-card:hover {
    border-color: var(--ak-orange);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px var(--ak-orange-glow);
}

.ak-stat-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--ak-orange);
    line-height: 1;
    margin-bottom: 6px;
}

.ak-stat-label {
    font-size: 0.8rem;
    color: #57606a;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ---------- Tech Stack Cards ---------- */

.ak-tech-card {
    background: var(--ak-dark-card);
    border: 1px solid var(--ak-dark-border);
    border-radius: var(--ak-radius);
    padding: 20px 12px;
    transition: all 0.25s ease;
}

.ak-tech-card:hover {
    border-color: var(--ak-orange);
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(255, 150, 0, 0.15);
}

.ak-tech-icon {
    font-size: 1.8rem;
    color: var(--ak-orange);
    margin-bottom: 8px;
    display: block;
}

.ak-tech-name {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--ak-text);
}

/* ---------- Service Cards ---------- */

.ak-service-card {
    background: var(--ak-white);
    border: 1px solid #e1e4e8;
    border-radius: var(--ak-radius);
    padding: 32px 24px;
    transition: all 0.25s ease;
}

.ak-service-card:hover {
    border-color: var(--ak-orange);
    transform: translateY(-3px);
    box-shadow: var(--ak-shadow);
}

.ak-service-icon {
    width: 52px;
    height: 52px;
    background: linear-gradient(135deg, var(--ak-orange), var(--ak-orange-hover));
    border-radius: var(--ak-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: var(--ak-white);
    margin-bottom: 16px;
}

.ak-service-card h5 {
    font-weight: 700;
    margin-bottom: 10px;
}

.ak-service-card p {
    color: #57606a;
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 0;
}

/* ---------- Contact ---------- */

.ak-contact-card {
    background: var(--ak-dark-card);
    border: 1px solid var(--ak-dark-border);
    border-radius: var(--ak-radius);
    padding: 32px;
}

.ak-contact-card .fw-semibold { color: var(--ak-text); }

.ak-contact-icon {
    width: 44px;
    height: 44px;
    background: rgba(255, 150, 0, 0.12);
    border-radius: var(--ak-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ak-orange);
    font-size: 1.1rem;
    flex-shrink: 0;
}

.ak-contact-card a {
    text-decoration: none;
    transition: opacity 0.2s;
}

.ak-contact-card a:hover { opacity: 0.8; }

/* ---------- Auth (Login) ---------- */

.ak-auth-section {
    background: linear-gradient(135deg, var(--ak-dark) 0%, #1a1f2e 100%);
    padding-top: 80px;
}

.ak-login-card {
    background: var(--ak-dark-card);
    border: 1px solid var(--ak-dark-border);
    border-radius: var(--ak-radius);
    padding: 40px 32px;
    box-shadow: var(--ak-shadow-lg);
}

.ak-login-card h4 { color: var(--ak-text); }
.ak-login-card .text-muted { color: var(--ak-text-muted) !important; }

.ak-login-card .form-label { color: var(--ak-text); }

.ak-login-card .form-control {
    background: var(--ak-dark-surface);
    border: 1px solid var(--ak-dark-border);
    color: var(--ak-text);
    border-radius: var(--ak-radius-sm);
}

.ak-login-card .form-control:focus {
    border-color: var(--ak-orange);
    box-shadow: 0 0 0 3px var(--ak-orange-glow);
    background: var(--ak-dark-surface);
    color: var(--ak-text);
}

.ak-login-card .input-group-text {
    background: var(--ak-dark-surface);
    border: 1px solid var(--ak-dark-border);
    color: var(--ak-text-muted);
    border-radius: var(--ak-radius-sm) 0 0 var(--ak-radius-sm);
}

.ak-login-card .form-check-input {
    background-color: var(--ak-dark-surface);
    border-color: var(--ak-dark-border);
}

.ak-login-card .form-check-input:checked {
    background-color: var(--ak-orange);
    border-color: var(--ak-orange);
}

.ak-login-card .form-check-label { color: var(--ak-text-muted); }

.ak-login-logo .ak-logo-bracket { font-size: 2rem; }
.ak-login-logo .ak-logo-text { font-size: 1.8rem; }

/* ---------- Portal / Dashboard (logged-in) ---------- */

.ak-portal-section {
    padding-top: 100px;
    padding-bottom: 60px;
    min-height: 100vh;
    background: var(--ak-light-bg);
}

/* Invoice cards */

.ak-invoice-card {
    background: var(--ak-white);
    border: 1px solid #e1e4e8;
    border-radius: var(--ak-radius);
    padding: 24px;
    transition: all 0.2s ease;
}

.ak-invoice-card:hover {
    box-shadow: var(--ak-shadow);
    transform: translateY(-2px);
}

.ak-invoice-amount {
    font-size: 1.8rem;
    font-weight: 800;
    color: #24292f;
    letter-spacing: -0.02em;
}

/* Dashboard cards */

.ak-dash-card {
    background: var(--ak-dark-card);
    border: 1px solid var(--ak-dark-border);
    border-radius: var(--ak-radius);
    padding: 20px;
    transition: all 0.25s ease;
}

.ak-dash-card:hover {
    border-color: var(--ak-orange);
    transform: translateY(-2px);
    box-shadow: 0 4px 20px var(--ak-orange-glow);
}

.ak-dash-icon {
    width: 44px;
    height: 44px;
    background: rgba(255, 150, 0, 0.12);
    border-radius: var(--ak-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ak-orange);
    font-size: 1.2rem;
    flex-shrink: 0;
}

.ak-category-label {
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    padding-bottom: 4px;
    border-bottom: 2px solid var(--ak-orange);
    display: inline-block;
}

.ak-portal-section .ak-dash-card {
    background: var(--ak-white);
    border: 1px solid #e1e4e8;
}

.ak-portal-section .ak-dash-card .fw-bold { color: #24292f; }

.ak-portal-section .ak-dash-card:hover {
    background: var(--ak-dark-card);
}

.ak-portal-section .ak-dash-card:hover .fw-bold { color: var(--ak-white); }

/* ---------- Flash Messages ---------- */

.ak-flash-container {
    position: fixed;
    top: 72px;
    right: 20px;
    z-index: 1100;
    max-width: 400px;
}

/* ---------- Footer ---------- */

.ak-footer {
    background: var(--ak-dark);
    border-top: 1px solid var(--ak-dark-border);
    padding: 24px 0;
}

.ak-footer-brand .ak-logo-bracket { font-size: 1.1rem; }
.ak-footer-brand .ak-logo-text { font-size: 0.95rem; }

/* ---------- Responsive ---------- */

@media (max-width: 768px) {
    .ak-hero-title { font-size: 2.5rem; }
    .ak-section { padding: 50px 0; }
    .ak-section-title { font-size: 1.75rem; }
    .ak-login-card { padding: 28px 20px; }
    .ak-stat-number { font-size: 1.5rem; }
    .ak-invoice-amount { font-size: 1.4rem; }
}

/* ---------- Smooth scroll ---------- */

html { scroll-behavior: smooth; }

/* ---------- Scrollbar ---------- */

::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--ak-light-bg); }
::-webkit-scrollbar-thumb { background: #c1c8d1; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--ak-orange); }