:root {
    --gold: #ffd447;
    --gold-soft: #fff0a8;
    --dark-bg: #090a0b;
    --card-bg: #151719;
    --card-raised: #1b1e20;
    --text-gray: #aeb4b7;
    --text-muted: #747c81;
    --line: rgba(255,255,255,.1);
    --line-gold: rgba(255,212,71,.24);
    --success: #43d18a;
    --danger: #ff6b6b;
    --shadow: 0 18px 50px rgba(0,0,0,.22);
    --radius: 12px;
}

/* Base Reset */
* { 
    margin: 0; 
    padding: 0; 
    box-sizing: border-box; 
    font-family: 'Trebuchet MS', 'Segoe UI', sans-serif;
}

body { 
    background-color: var(--dark-bg);
    background-image: linear-gradient(135deg, rgba(255,212,71,.035), transparent 32rem), linear-gradient(315deg, rgba(255,255,255,.018), transparent 28rem);
    color: #fff; 
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

.academiconchain-watermark {
    position: fixed;
    right: 14px;
    bottom: 12px;
    z-index: 1100;
    color: rgba(255,212,71,.58);
    font-size: .64rem;
    font-weight: 700;
    letter-spacing: .04em;
    text-decoration: none;
    opacity: .72;
    transition: color .2s ease, opacity .2s ease;
}
.academiconchain-watermark:hover, .academiconchain-watermark:focus-visible { color: var(--gold); opacity: 1; }
@media (max-width: 600px) { .academiconchain-watermark { right: 9px; bottom: 8px; font-size: .58rem; } }

::selection { background: var(--gold); color: #111; }
button, input, select, textarea { font: inherit; }
button, a, input, select, textarea { -webkit-tap-highlight-color: transparent; }
button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible { outline: 3px solid rgba(255,212,71,.45); outline-offset: 2px; }
h1, h2, h3, h4, p { overflow-wrap: anywhere; }

/* Navigation - Adapts to screen size */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px clamp(20px, 5vw, 72px);
    background: rgba(15,16,17,.86);
    border-bottom: 1px solid var(--line-gold);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(18px);
}

.logo { 
    font-size: 1rem;
    font-weight: 800; 
    color: var(--gold); 
    text-transform: uppercase; 
    letter-spacing: 1.4px;
}

nav ul, nav .nav-links { display: flex; list-style: none; align-items: center; gap: 16px; }
nav ul li a, nav .nav-links a { text-decoration: none; color: #fff; font-size: 0.85rem; transition: color .2s ease; }
nav ul li a:hover, nav .nav-links a:hover { color: var(--gold); }
.nav-menu-toggle { display:none; width:44px; height:40px; padding:8px; border:1px solid var(--line-gold); border-radius:8px; background:transparent; color:var(--gold); cursor:pointer; }
.nav-menu-toggle span { display:block; height:2px; margin:5px 0; background:currentColor; transition:transform .2s ease, opacity .2s ease; }

/* Main Content Container */
.container { 
    width: min(90%, 1220px);
    max-width: 1220px;
    margin: 0 auto; 
    padding: clamp(28px, 5vw, 58px) 0;
}

/* Auth Cards (Login/Signup) */
.auth-card {
    background: linear-gradient(145deg, var(--card-raised), var(--card-bg));
    padding: clamp(22px, 4vw, 34px);
    border-radius: var(--radius);
    border: 1px solid var(--line);
    width: 100%;
    max-width: 400px;
    margin: 20px auto;
    text-align: center;
    box-shadow: var(--shadow);
}

/* Forms & Inputs - Optimized for Mobile Typing */
input, select, textarea {
    width: 100%;
    padding: 13px 14px;
    margin: 10px 0;
    background: #0c0d0e;
    border: 1px solid var(--line);
    border-radius: 8px;
    color: #fff;
    font-size: 16px;
    display: block;
}

input:focus, select:focus, textarea:focus { border-color: var(--gold); outline: none; }
input::placeholder, textarea::placeholder { color: #687075; }
.password-field { position: relative; }
.password-field input { padding-right: 92px; }
.password-toggle { position: absolute; top: 50%; right: 9px; transform: translateY(-50%); padding: 5px 7px; border: 0; background: transparent; color: var(--gold); cursor: pointer; font-size: .72rem; font-weight: 800; }
.password-toggle:hover { color: var(--gold-soft); }
.password-match-message { min-height: 18px; margin: 5px 0 8px; color: var(--danger); font-size: .75rem; text-align: left; }

/* Buttons - Big enough for thumbs */
.btn {
    display: block;
    width: 100%;
    padding: 15px;
    background: var(--gold);
    color: #000;
    border: none;
    border-radius: 8px;
    font-weight: 700;
    cursor: pointer;
    text-align: center;
    text-decoration: none;
    font-size: 1rem;
    transition: transform .2s ease, filter .2s ease, box-shadow .2s ease;
    box-shadow: 0 8px 22px rgba(255,212,71,.12);
}

.btn:hover { opacity: 1; filter: brightness(1.08); transform: translateY(-2px); box-shadow: 0 12px 28px rgba(255,212,71,.2); }
.btn:active { transform: translateY(0); }
.btn:disabled { opacity: .45; cursor: not-allowed; box-shadow: none; transform: none; }

/* Service Grids - Responsive Columns */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 18px;
    margin-top: 24px;
}

.card {
    background: linear-gradient(145deg, var(--card-raised), var(--card-bg));
    padding: 22px;
    border-radius: var(--radius);
    border: 1px solid var(--line);
    text-align: left;
    box-shadow: 0 10px 30px rgba(0,0,0,.12);
    transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}

.card:hover { transform: translateY(-3px); border-color: var(--line-gold); box-shadow: var(--shadow); }

.cart-item, .track-card, .checkout-card, .success-card {
    background: linear-gradient(145deg, var(--card-raised), var(--card-bg)) !important;
    border: 1px solid var(--line) !important;
    border-radius: var(--radius) !important;
    box-shadow: var(--shadow);
}
.cart-item { padding: clamp(18px, 4vw, 26px) !important; }
.item-title { color: var(--gold); font-weight: 800; letter-spacing: .2px; }
.remove-btn { transition: background .2s ease, color .2s ease; }
.remove-btn:hover { background: var(--danger) !important; color: #160707 !important; }
.checkout-card, .success-card { padding: clamp(24px, 5vw, 42px) !important; }
.price-tag { color: var(--gold) !important; font-size: clamp(2.3rem, 8vw, 3.4rem) !important; }
.track-card { border-style: solid !important; }
.support-link { transition: background .2s ease, color .2s ease; }
.support-link:hover { background: var(--gold); color: #111; }
.success-card .check-icon { text-shadow: 0 0 24px rgba(67,209,138,.28); }
.receipt-details { background: #0c0d0e !important; border-color: var(--line) !important; }

.price { font-size: 1.3rem; color: var(--gold); font-weight: bold; margin: 10px 0; }

/* Table Handling for Mobile */
.table-wrapper {
    width: 100%;
    overflow-x: auto; /* Makes tables swipeable on small screens */
    margin-top: 18px;
    border: 1px solid var(--line);
    background: var(--card-bg);
    box-shadow: var(--shadow);
    border-radius: 8px;
}

table {
    width: 100%;
    border-collapse: collapse;
    min-width: 600px;
}

th, td {
    padding: 12px;
    border-bottom: 1px solid var(--line);
    text-align: left;
    font-size: 0.85rem;
}

/* Progress Tracker Styling */
.progress-container { display: flex; justify-content: space-between; position: relative; margin: 40px 0; }
.progress-container::before { content: ''; background: #333; position: absolute; top: 15px; height: 2px; width: 100%; z-index: 1; }
.step { 
    width: 30px; height: 30px; border-radius: 50%; background: #111; border: 2px solid #333; 
    display: flex; align-items: center; justify-content: center; z-index: 2; font-size: 0.7rem; 
}
.step.active { border-color: var(--gold); color: var(--gold); }
.step-label { position: absolute; top: 35px; font-size: 0.6rem; white-space: nowrap; }

/* --- MOBILE SPECIFIC FIXES --- */
@media (max-width: 600px) {
    nav { 
        padding: 10px 5%; 
        flex-direction: row; /* Keep logo and menu on one line */
    }
    
    .container { 
        padding-top: 20px; 
    }

    h1 { font-size: 1.5rem; }
    
    .grid { 
        grid-template-columns: 1fr; /* Single column on phones */
    }

    .auth-card {
        padding: 20px 15px;
    }

    /* Floating cart button smaller on mobile */
    .cart-float {
        padding: 10px 15px;
        font-size: 0.8rem;
    }

    nav ul, nav .nav-links { gap: 9px; }
    nav ul li a, nav .nav-links a { font-size: .76rem; }
    .cart-item { margin-bottom: 14px !important; }
    .detail-item { align-items: flex-start; flex-direction: column; gap: 3px; }
    .detail-item b { text-align: left; }
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}
.fade-in { animation: fadeIn 0.5s ease forwards; }

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}

@media (max-width: 760px) {
    nav { position: sticky; }
    .nav-menu-toggle { display:block; flex:0 0 auto; }
    nav ul, nav .nav-links { position:absolute !important; top:100%; right:12px; display:none !important; flex-direction:column; align-items:stretch; gap:0; width:min(290px, calc(100vw - 24px)); padding:8px; background:#151719; border:1px solid var(--line-gold); border-radius:0 0 10px 10px; box-shadow:var(--shadow); }
    nav.nav-open ul, nav.nav-open .nav-links { display:flex !important; }
    nav ul li, nav .nav-links > a { width:100%; }
    nav ul li a, nav ul li button, nav .nav-links > a { display:block; width:100%; min-height:44px; padding:11px 12px; text-align:left; }
    nav.nav-open .nav-menu-toggle span:first-child { transform:translateY(7px) rotate(45deg); }
    nav.nav-open .nav-menu-toggle span:nth-child(2) { opacity:0; }
    nav.nav-open .nav-menu-toggle span:last-child { transform:translateY(-7px) rotate(-45deg); }
    .container { width:min(94%, 1220px); }
    .grid { grid-template-columns:repeat(auto-fit, minmax(min(100%, 260px), 1fr)); }
    .inline-form, .dashboard-grid { grid-template-columns:1fr !important; }
    .progress-container { margin-left:4px; margin-right:4px; }
    .step-label { font-size:.52rem; }
    .modal { padding:3vh 10px; }
    .modal-content { padding:18px; }
}

@media (max-width: 420px) {
    nav { padding-left:12px; padding-right:12px; }
    .container { width:calc(100% - 24px); padding-top:18px; }
    .card, .auth-card { padding:17px; }
    .btn { min-height:46px; }
    .cart-float { right:12px; bottom:12px; max-width:calc(100vw - 24px); }
    .table-wrapper { margin-left:-2px; width:calc(100% + 4px); }
}