/* ============================================================
   ANDRADA RESEARCH — Premium Black & Yellow Theme
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;500;600;700&family=DM+Sans:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
    /* Core palette — from the logo */
    --black:        #0a0a0a;
    --black-light:  #141414;
    --black-card:   #1a1a1a;
    --black-border: #2a2a2a;
    --yellow:       #e8d44d;
    --yellow-light: #f5e76b;
    --yellow-dim:   #bfa82e;
    --yellow-glow:  rgba(232, 212, 77, 0.15);
    --white:        #f5f5f0;
    --gray:         #888888;
    --gray-light:   #aaaaaa;
    --gray-dark:    #555555;
    --success:      #4caf50;
    --danger:       #e74c3c;
    --info:         #5dade2;
    --warning:      #f39c12;

    /* Typography */
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body:    'DM Sans', -apple-system, sans-serif;
    --font-mono:    'JetBrains Mono', monospace;

    /* Spacing */
    --section-pad: 100px 0;
    --container:   1200px;
    --radius:      8px;
    --radius-lg:   16px;
    --transition:  all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Reset ───────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-body);
    background: var(--black);
    color: var(--white);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
a { color: var(--yellow); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--yellow-light); }
img { max-width: 100%; height: auto; }
ul { list-style: none; }

/* ── Container ───────────────────────────────────────── */
.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}

/* ── Typography ──────────────────────────────────────── */
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 600; line-height: 1.2; }
h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.6rem); }
.text-yellow { color: var(--yellow); }
.text-gray   { color: var(--gray); }
.text-center { text-align: center; }
.section-subtitle {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--yellow);
    margin-bottom: 12px;
}

/* ── Buttons ─────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 1.5px;
}
.btn-primary {
    background: var(--yellow);
    color: var(--black);
}
.btn-primary:hover {
    background: var(--yellow-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(232, 212, 77, 0.3);
}
.btn-outline {
    background: transparent;
    color: var(--yellow);
    border: 2px solid var(--yellow);
}
.btn-outline:hover {
    background: var(--yellow);
    color: var(--black);
}
.btn-dark {
    background: var(--black-card);
    color: var(--white);
    border: 1px solid var(--black-border);
}
.btn-dark:hover { border-color: var(--yellow); }
.btn-sm { padding: 10px 20px; font-size: 0.8rem; }
.btn-lg { padding: 18px 44px; font-size: 1.05rem; }
.btn-block { display: block; width: 100%; text-align: center; }

/* ── Navbar ──────────────────────────────────────────── */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
    background: rgba(10,10,10,0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid transparent;
}
.navbar.scrolled { border-bottom-color: var(--black-border); }
.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.navbar-logo img { height: 48px; }
.navbar-logo span {
    font-family: var(--font-display);
    font-size: 1.3rem;
    color: var(--yellow);
    margin-left: 12px;
    letter-spacing: 2px;
}
.navbar-links { display: flex; align-items: center; gap: 36px; }
.navbar-links a {
    color: var(--gray-light);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    position: relative;
}
.navbar-links a::after {
    content: '';
    position: absolute;
    bottom: -4px; left: 0;
    width: 0; height: 2px;
    background: var(--yellow);
    transition: width 0.3s ease;
}
.navbar-links a:hover { color: var(--white); }
.navbar-links a:hover::after { width: 100%; }
.navbar-actions { display: flex; gap: 12px; align-items: center; }

/* Mobile menu toggle */
.menu-toggle {
    display: none;
    background: none; border: none;
    color: var(--yellow);
    font-size: 1.5rem;
    cursor: pointer;
}

/* ── Hero Section ────────────────────────────────────── */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}
.hero::before {
    content: '';
    position: absolute;
    top: -200px; right: -200px;
    width: 600px; height: 600px;
    background: radial-gradient(circle, var(--yellow-glow) 0%, transparent 70%);
    animation: pulseGlow 6s ease-in-out infinite;
}
.hero::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 200px;
    background: linear-gradient(transparent, var(--black));
}
@keyframes pulseGlow {
    0%, 100% { opacity: 0.4; transform: scale(1); }
    50%      { opacity: 0.7; transform: scale(1.1); }
}
.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}
.hero-text h1 { margin-bottom: 24px; }
.hero-text h1 span { color: var(--yellow); }
.hero-text p {
    font-size: 1.15rem;
    color: var(--gray-light);
    max-width: 500px;
    margin-bottom: 40px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-stats {
    display: flex;
    gap: 48px;
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px solid var(--black-border);
}
.hero-stats .stat-number {
    font-family: var(--font-display);
    font-size: 2.4rem;
    font-weight: 700;
    color: var(--yellow);
}
.hero-stats .stat-label {
    font-size: 0.8rem;
    color: var(--gray);
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* Hero right — order card */
.hero-card {
    background: var(--black-card);
    border: 1px solid var(--black-border);
    border-radius: var(--radius-lg);
    padding: 40px;
    position: relative;
}
.hero-card::before {
    content: '';
    position: absolute;
    top: -1px; left: 40px; right: 40px;
    height: 3px;
    background: linear-gradient(90deg, var(--yellow), var(--yellow-dim));
    border-radius: 0 0 4px 4px;
}
.hero-card h3 { margin-bottom: 6px; }
.hero-card .card-subtitle { color: var(--gray); margin-bottom: 28px; }

/* ── Forms ───────────────────────────────────────────── */
.form-group { margin-bottom: 20px; }
.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--gray-light);
    margin-bottom: 8px;
}
.form-control {
    width: 100%;
    padding: 14px 16px;
    background: var(--black-light);
    border: 1px solid var(--black-border);
    border-radius: var(--radius);
    color: var(--white);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: var(--transition);
}
.form-control:focus {
    outline: none;
    border-color: var(--yellow);
    box-shadow: 0 0 0 3px var(--yellow-glow);
}
.form-control::placeholder { color: var(--gray-dark); }
select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23888' fill='none' stroke-width='1.5'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}
textarea.form-control { min-height: 120px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-text { font-size: 0.8rem; color: var(--gray-dark); margin-top: 4px; }
.form-error { color: var(--danger); font-size: 0.85rem; margin-top: 4px; }

/* ── Cards ───────────────────────────────────────────── */
.card {
    background: var(--black-card);
    border: 1px solid var(--black-border);
    border-radius: var(--radius-lg);
    padding: 36px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.card:hover {
    border-color: var(--yellow);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.5);
}
.card-icon {
    width: 56px; height: 56px;
    background: var(--yellow-glow);
    border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.4rem;
    margin-bottom: 20px;
    color: var(--yellow);
}
.card h3 { margin-bottom: 12px; }
.card p { color: var(--gray-light); font-size: 0.95rem; }
.card .card-price {
    font-family: var(--font-display);
    font-size: 1.6rem;
    color: var(--yellow);
    margin-top: 20px;
}
.card .card-price span { font-size: 0.85rem; color: var(--gray); }

/* ── Services Grid ───────────────────────────────────── */
.services-section { padding: var(--section-pad); }
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 28px;
    margin-top: 48px;
}

/* ── Trust bar ───────────────────────────────────────── */
.trust-bar {
    padding: 60px 0;
    border-top: 1px solid var(--black-border);
    border-bottom: 1px solid var(--black-border);
}
.trust-items {
    display: flex;
    justify-content: center;
    gap: 60px;
    flex-wrap: wrap;
}
.trust-item {
    display: flex;
    align-items: center;
    gap: 16px;
}
.trust-icon {
    width: 48px; height: 48px;
    border: 2px solid var(--yellow);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    color: var(--yellow);
    font-size: 1.2rem;
    flex-shrink: 0;
}
.trust-item h4 { font-family: var(--font-body); font-size: 0.95rem; font-weight: 600; }
.trust-item p { font-size: 0.8rem; color: var(--gray); }

/* ── Testimonials ────────────────────────────────────── */
.testimonials-section { padding: var(--section-pad); }
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 28px;
    margin-top: 48px;
}
.testimonial-card {
    background: var(--black-card);
    border: 1px solid var(--black-border);
    border-radius: var(--radius-lg);
    padding: 36px;
}
.testimonial-stars { color: var(--yellow); margin-bottom: 16px; letter-spacing: 4px; }
.testimonial-card blockquote {
    font-style: italic;
    color: var(--gray-light);
    line-height: 1.8;
    margin-bottom: 20px;
}
.testimonial-author { font-weight: 600; }
.testimonial-role { font-size: 0.85rem; color: var(--gray); }

/* ── How It Works ────────────────────────────────────── */
.how-section { padding: var(--section-pad); background: var(--black-light); }
.steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    margin-top: 48px;
}
.step {
    text-align: center;
    position: relative;
}
.step-number {
    font-family: var(--font-display);
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--yellow);
    opacity: 0.2;
    line-height: 1;
    margin-bottom: 16px;
}
.step h4 { margin-bottom: 10px; font-family: var(--font-body); font-weight: 600; }
.step p { color: var(--gray-light); font-size: 0.9rem; }

/* ── CTA Banner ──────────────────────────────────────── */
.cta-section {
    padding: 80px 0;
    text-align: center;
    position: relative;
}
.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--yellow-glow), transparent 60%);
}
.cta-section .container { position: relative; z-index: 1; }
.cta-section h2 { margin-bottom: 16px; }
.cta-section p { color: var(--gray-light); max-width: 500px; margin: 0 auto 32px; }

/* ── Footer ──────────────────────────────────────────── */
.footer {
    padding: 60px 0 30px;
    border-top: 1px solid var(--black-border);
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 40px;
}
.footer-brand p { color: var(--gray); max-width: 300px; margin-top: 12px; font-size: 0.9rem; }
.footer h4 {
    font-family: var(--font-body);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--yellow);
    margin-bottom: 20px;
}
.footer a { color: var(--gray); font-size: 0.9rem; display: block; margin-bottom: 10px; }
.footer a:hover { color: var(--white); }
.footer-bottom {
    border-top: 1px solid var(--black-border);
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    color: var(--gray-dark);
}

/* ── Auth Pages ──────────────────────────────────────── */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
}
.auth-card {
    background: var(--black-card);
    border: 1px solid var(--black-border);
    border-radius: var(--radius-lg);
    padding: 48px;
    width: 100%;
    max-width: 460px;
    position: relative;
}
.auth-card::before {
    content: '';
    position: absolute;
    top: -1px; left: 48px; right: 48px;
    height: 3px;
    background: var(--yellow);
    border-radius: 0 0 4px 4px;
}
.auth-card .logo-area {
    text-align: center;
    margin-bottom: 32px;
}
.auth-card .logo-area img { height: 60px; margin-bottom: 12px; }
.auth-card h2 { text-align: center; margin-bottom: 8px; }
.auth-card .subtitle { text-align: center; color: var(--gray); margin-bottom: 32px; }
.auth-divider {
    text-align: center;
    color: var(--gray-dark);
    font-size: 0.85rem;
    margin: 24px 0;
}

/* ── Dashboard Layout ────────────────────────────────── */
.dashboard { display: flex; min-height: 100vh; }
.sidebar {
    width: 260px;
    background: var(--black-card);
    border-right: 1px solid var(--black-border);
    padding: 24px 0;
    position: fixed;
    top: 0; bottom: 0; left: 0;
    overflow-y: auto;
    z-index: 100;
}
.sidebar-logo {
    padding: 0 24px 24px;
    border-bottom: 1px solid var(--black-border);
    margin-bottom: 24px;
}
.sidebar-logo img { height: 40px; }
.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 24px;
    color: var(--gray-light);
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
    border-left: 3px solid transparent;
}
.sidebar-nav a:hover,
.sidebar-nav a.active {
    color: var(--yellow);
    background: var(--yellow-glow);
    border-left-color: var(--yellow);
}
.sidebar-nav a .icon { width: 20px; text-align: center; }
.sidebar-section-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--gray-dark);
    padding: 20px 24px 8px;
}

.main-content {
    flex: 1;
    margin-left: 260px;
    padding: 32px 40px;
}
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
}
.page-header h1 { font-size: 1.8rem; }

/* ── Stat Cards ──────────────────────────────────────── */
.stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 32px;
}
.stat-card {
    background: var(--black-card);
    border: 1px solid var(--black-border);
    border-radius: var(--radius);
    padding: 24px;
}
.stat-card .stat-label { font-size: 0.8rem; color: var(--gray); text-transform: uppercase; letter-spacing: 1px; }
.stat-card .stat-value {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--yellow);
    margin: 4px 0;
}

/* ── Tables ──────────────────────────────────────────── */
.table-wrap {
    background: var(--black-card);
    border: 1px solid var(--black-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}
.table-wrap table { width: 100%; border-collapse: collapse; }
.table-wrap th {
    padding: 16px 20px;
    text-align: left;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--gray);
    background: var(--black-light);
    border-bottom: 1px solid var(--black-border);
}
.table-wrap td {
    padding: 16px 20px;
    border-bottom: 1px solid var(--black-border);
    font-size: 0.9rem;
}
.table-wrap tr:last-child td { border-bottom: none; }
.table-wrap tr:hover td { background: rgba(232, 212, 77, 0.03); }

/* ── Status Badges ───────────────────────────────────── */
.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.badge-pending    { background: rgba(243, 156, 18, 0.15); color: #f39c12; }
.badge-confirmed  { background: rgba(93, 173, 226, 0.15); color: #5dade2; }
.badge-progress   { background: rgba(232, 212, 77, 0.15); color: var(--yellow); }
.badge-review     { background: rgba(155, 89, 182, 0.15); color: #9b59b6; }
.badge-revision   { background: rgba(243, 156, 18, 0.15); color: #f39c12; }
.badge-completed  { background: rgba(76, 175, 80, 0.15);  color: #4caf50; }
.badge-cancelled  { background: rgba(231, 76, 60, 0.15);  color: #e74c3c; }

/* ── Messages ────────────────────────────────────────── */
.chat-container {
    background: var(--black-card);
    border: 1px solid var(--black-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}
.chat-messages {
    height: 400px;
    overflow-y: auto;
    padding: 24px;
}
.chat-msg {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
}
.chat-msg.mine { flex-direction: row-reverse; }
.chat-avatar {
    width: 36px; height: 36px;
    border-radius: 50%;
    background: var(--yellow-glow);
    display: flex; align-items: center; justify-content: center;
    color: var(--yellow);
    font-weight: 700;
    font-size: 0.85rem;
    flex-shrink: 0;
}
.chat-bubble {
    background: var(--black-light);
    border: 1px solid var(--black-border);
    border-radius: 12px;
    padding: 14px 18px;
    max-width: 70%;
    font-size: 0.9rem;
    line-height: 1.6;
}
.chat-msg.mine .chat-bubble {
    background: var(--yellow-glow);
    border-color: rgba(232, 212, 77, 0.2);
}
.chat-time { font-size: 0.7rem; color: var(--gray-dark); margin-top: 4px; }
.chat-input-bar {
    padding: 16px 24px;
    border-top: 1px solid var(--black-border);
    display: flex;
    gap: 12px;
}
.chat-input-bar input {
    flex: 1;
    padding: 12px 16px;
    background: var(--black-light);
    border: 1px solid var(--black-border);
    border-radius: var(--radius);
    color: var(--white);
    font-family: var(--font-body);
}
.chat-input-bar input:focus { outline: none; border-color: var(--yellow); }

/* ── Flash Messages ──────────────────────────────────── */
.flash {
    padding: 16px 20px;
    border-radius: var(--radius);
    margin-bottom: 20px;
    font-size: 0.9rem;
}
.flash-success { background: rgba(76,175,80,0.1); border: 1px solid rgba(76,175,80,0.3); color: var(--success); }
.flash-error   { background: rgba(231,76,60,0.1);  border: 1px solid rgba(231,76,60,0.3);  color: var(--danger); }
.flash-info    { background: rgba(93,173,226,0.1);  border: 1px solid rgba(93,173,226,0.3);  color: var(--info); }

/* ── File upload zone ────────────────────────────────── */
.upload-zone {
    border: 2px dashed var(--black-border);
    border-radius: var(--radius);
    padding: 40px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
}
.upload-zone:hover { border-color: var(--yellow); background: var(--yellow-glow); }
.upload-zone .icon { font-size: 2rem; color: var(--yellow); margin-bottom: 8px; }
.upload-zone p { color: var(--gray); }

/* ── Responsive ──────────────────────────────────────── */
@media (max-width: 992px) {
    .hero-grid { grid-template-columns: 1fr; }
    .hero-card { margin-top: 40px; }
    .steps { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .sidebar { transform: translateX(-100%); transition: var(--transition); }
    .sidebar.open { transform: translateX(0); }
    .main-content { margin-left: 0; }
    .menu-toggle { display: block; }
}
@media (max-width: 600px) {
    .hero-stats { flex-direction: column; gap: 24px; }
    .steps { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .trust-items { flex-direction: column; align-items: center; }
    .navbar-links { display: none; }
    .page-header { flex-direction: column; align-items: flex-start; gap: 16px; }
}