/* ===========================
 CORE WEB VITALS TESTER CSS
 Theme: Deep Navy + Electric Cyan
 =========================== */

:root {
--primary: #0a3d6b;
--primary-dark: #061f37;
--primary-mid: #0f4c81;
--accent: #00c6ff;
--accent2: #0072ff;
--accent-green: #00e676;
--accent-orange: #ff9800;
--accent-red: #f44336;
--accent-yellow: #ffc107;
--good: #00c853;
--avg: #ff9800;
--poor: #f44336;
--text: #1a2433;
--text-light: #5a6a7e;
--text-lighter: #8a9ab0;
--bg: #f4f7fc;
--bg-alt: #eaf1fb;
--card: #ffffff;
--card-border: #dce6f5;
--nav-bg: #061f37;
--nav-text: #b8d4f0;
--nav-hover: #00c6ff;
--footer-bg: #040f1c;
--shadow: 0 4px 20px rgba(10,61,107,0.10);
--shadow-strong: 0 8px 40px rgba(10,61,107,0.18);
--radius: 14px;
--radius-sm: 8px;
--transition: 0.25s cubic-bezier(.4,0,.2,1);
--font-head: 'Sora', sans-serif;
--font-body: 'DM Sans', sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
font-family: var(--font-body);
background: var(--bg);
color: var(--text);
line-height: 1.65;
overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent2); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent); }

/* ===== COOKIE BANNER ===== */
#cookie-banner {
position: fixed; bottom: 0; left: 0; right: 0; z-index: 9999;
background: #0a1929; color: #c8dff5;
padding: 14px 20px; display: flex; align-items: center; justify-content: space-between;
gap: 12px; flex-wrap: wrap;
border-top: 2px solid var(--accent2);
box-shadow: 0 -4px 20px rgba(0,0,0,0.3);
font-size: 0.88rem;
}
#cookie-banner p { flex: 1; min-width: 200px; }
#cookie-banner a { color: var(--accent); }
#cookie-dismiss {
background: var(--accent2); color: #fff;
border: none; padding: 8px 20px; border-radius: 6px;
cursor: pointer; font-weight: 600; font-size: 0.88rem;
white-space: nowrap; transition: background var(--transition);
}
#cookie-dismiss:hover { background: var(--accent); color: #000; }

/* ===== NAVIGATION ===== */
.navbar {
background: var(--nav-bg);
position: sticky; top: 0; z-index: 1000;
box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}
.nav-container {
max-width: 1280px; margin: 0 auto;
display: flex; align-items: center; justify-content: space-between;
padding: 0 20px; height: 62px;
}
.nav-brand {
display: flex; align-items: center; gap: 10px;
font-family: var(--font-head); font-weight: 700; font-size: 1.15rem;
color: #fff; white-space: nowrap; text-decoration: none;
}
.nav-brand .brand-icon {
width: 36px; height: 36px; background: linear-gradient(135deg, var(--accent2), var(--accent));
border-radius: 8px; display: flex; align-items: center; justify-content: center;
font-size: 1rem; flex-shrink: 0;
}
.nav-links {
display: flex; align-items: center; gap: 4px;
list-style: none; flex-wrap: nowrap;
}
.nav-links > li { position: relative; }
.nav-links > li > a {
display: flex; align-items: center; gap: 5px;
color: var(--nav-text); font-size: 0.88rem; font-weight: 500;
padding: 8px 12px; border-radius: 6px;
transition: all var(--transition); white-space: nowrap;
}
.nav-links > li > a:hover { background: rgba(0,198,255,0.12); color: var(--nav-hover); }
.nav-links > li > a .fa-chevron-down { font-size: 0.7rem; }

/* Dropdown */
.dropdown-menu {
display: none; position: absolute; top: calc(100% + 4px); left: 0;
background: #0a2540; border: 1px solid #1a3a5c;
border-radius: var(--radius-sm); min-width: 420px;
box-shadow: 0 12px 40px rgba(0,0,0,0.35);
padding: 12px; z-index: 2000;
display: none;
}
.dropdown-menu.two-col {
display: none; grid-template-columns: 1fr 1fr; gap: 4px;
}
.nav-links > li:hover .dropdown-menu.two-col { display: grid; }

.dropdown-menu a {
color: #a8c8f0; font-size: 0.82rem; padding: 7px 10px;
border-radius: 5px; display: flex; align-items: center; gap: 7px;
transition: all var(--transition); font-weight: 400;
}
.dropdown-menu a:hover { background: rgba(0,198,255,0.12); color: #00c6ff; }
.dropdown-menu a i { width: 14px; color: var(--accent2); font-size: 0.8rem; }

.nav-cta {
background: linear-gradient(135deg, var(--accent2), var(--accent));
color: #fff !important; padding: 8px 16px !important;
border-radius: 20px !important; font-weight: 600 !important;
}
.nav-cta:hover { transform: translateY(-1px); box-shadow: 0 4px 15px rgba(0,114,255,0.4); }

/* Mobile Menu */
.nav-toggle {
display: none; background: none; border: none;
cursor: pointer; padding: 8px; color: #fff; font-size: 1.3rem;
}
.mobile-menu {
display: none; position: fixed; top: 62px; left: 0; right: 0; bottom: 0;
background: #040f1c; overflow-y: auto; z-index: 999; padding: 16px;
}
.mobile-menu.open { display: block; }
.mobile-menu a {
display: block; color: #a8c8f0; padding: 12px 16px;
border-bottom: 1px solid #0f2a45; font-size: 0.9rem;
transition: all var(--transition);
}
.mobile-menu a:hover { color: var(--accent); background: rgba(0,198,255,0.05); }
.mobile-section-title {
font-size: 0.75rem; text-transform: uppercase; letter-spacing: 1px;
color: #3a6a9a; padding: 12px 16px 6px; font-weight: 600;
}

/* ===== BREADCRUMB ===== */
.breadcrumb-bar {
background: var(--primary-dark); padding: 10px 0;
border-bottom: 1px solid rgba(255,255,255,0.06);
}
.breadcrumb {
max-width: 1280px; margin: 0 auto; padding: 0 20px;
display: flex; align-items: center; gap: 8px;
font-size: 0.82rem; color: #5a85b5; flex-wrap: wrap;
}
.breadcrumb a { color: #5a85b5; transition: color var(--transition); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb .sep { color: #3a5a7a; }
.breadcrumb .current { color: var(--accent); }

/* ===== HERO ===== */
.hero {
background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-mid) 50%, #0d3a6e 100%);
position: relative; overflow: hidden; padding: 70px 20px 60px;
}
.hero::before {
content: ''; position: absolute; inset: 0;
background: url("data:image/svg+xml,%3Csvg width='60' height='60' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 0h60v60H0z' fill='none'/%3E%3Ccircle cx='30' cy='30' r='1' fill='%2300c6ff' opacity='0.08'/%3E%3C/svg%3E") repeat;
pointer-events: none;
}
.hero-grid {
max-width: 1280px; margin: 0 auto;
display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center;
}
.hero-badge {
display: inline-flex; align-items: center; gap: 7px;
background: rgba(0,198,255,0.12); border: 1px solid rgba(0,198,255,0.25);
color: var(--accent); font-size: 0.78rem; font-weight: 600;
padding: 5px 14px; border-radius: 20px; margin-bottom: 18px;
text-transform: uppercase; letter-spacing: 0.5px;
}
.hero h1 {
font-family: var(--font-head); font-size: clamp(1.8rem, 4vw, 2.8rem);
font-weight: 800; color: #fff; line-height: 1.2; margin-bottom: 16px;
}
.hero h1 .highlight {
background: linear-gradient(135deg, var(--accent), var(--accent2));
-webkit-background-clip: text; -webkit-text-fill-color: transparent;
background-clip: text;
}
.hero-desc { color: #8ab4d4; font-size: 1.05rem; margin-bottom: 28px; max-width: 520px; }

.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.btn {
display: inline-flex; align-items: center; gap: 8px;
padding: 12px 24px; border-radius: 8px; font-weight: 600;
font-size: 0.92rem; cursor: pointer; transition: all var(--transition);
border: none; font-family: var(--font-body); text-decoration: none;
}
.btn-primary {
background: linear-gradient(135deg, var(--accent2), var(--accent));
color: #fff; box-shadow: 0 4px 15px rgba(0,114,255,0.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(0,114,255,0.45); color: #fff; }
.btn-outline {
background: transparent; color: var(--accent);
border: 1.5px solid rgba(0,198,255,0.4);
}
.btn-outline:hover { background: rgba(0,198,255,0.1); border-color: var(--accent); color: var(--accent); }

/* Hero Visual */
.hero-visual {
display: flex; justify-content: center; align-items: center;
}
.hero-score-display {
background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1);
border-radius: 20px; padding: 28px; backdrop-filter: blur(10px);
display: grid; grid-template-columns: 1fr 1fr; gap: 16px; max-width: 360px;
width: 100%;
}
.hero-metric {
background: rgba(255,255,255,0.06); border-radius: 12px;
padding: 16px; text-align: center;
}
.hero-metric .label { font-size: 0.75rem; color: #6a9ac0; margin-bottom: 6px; font-weight: 500; }
.hero-metric .val { font-size: 1.6rem; font-weight: 800; font-family: var(--font-head); }
.hero-metric .val.g { color: var(--good); }
.hero-metric .val.o { color: var(--avg); }

/* ===== TOOL SECTION ===== */
.tool-section {
max-width: 1280px; margin: 0 auto; padding: 50px 20px;
}
.tool-card {
background: var(--card); border-radius: var(--radius);
box-shadow: var(--shadow-strong); border: 1px solid var(--card-border);
overflow: hidden;
}
.tool-header {
background: linear-gradient(135deg, var(--primary) 0%, var(--primary-mid) 100%);
padding: 28px 32px; display: flex; align-items: center; gap: 14px;
}
.tool-header-icon {
width: 48px; height: 48px; background: rgba(255,255,255,0.15);
border-radius: 12px; display: flex; align-items: center; justify-content: center;
font-size: 1.4rem; flex-shrink: 0;
}
.tool-header h2 { font-family: var(--font-head); font-size: 1.3rem; font-weight: 700; color: #fff; }
.tool-header p { color: rgba(255,255,255,0.65); font-size: 0.88rem; margin-top: 2px; }

.tool-body { padding: 32px; }

/* Input Area */
.input-group {
display: flex; gap: 10px; align-items: stretch;
background: var(--bg); border-radius: 10px; padding: 6px;
border: 2px solid var(--card-border); transition: border-color var(--transition);
}
.input-group:focus-within { border-color: var(--accent2); }
.url-input {
flex: 1; border: none; background: transparent; font-size: 1rem;
padding: 10px 14px; outline: none; font-family: var(--font-body);
color: var(--text); min-width: 0;
}
.url-input::placeholder { color: var(--text-lighter); }
#analyze-btn {
background: linear-gradient(135deg, var(--accent2), var(--accent));
color: #fff; border: none; border-radius: 7px; padding: 12px 28px;
font-weight: 700; font-size: 0.95rem; cursor: pointer;
white-space: nowrap; display: flex; align-items: center; gap: 8px;
font-family: var(--font-head); transition: all var(--transition);
flex-shrink: 0;
}
#analyze-btn:hover:not(:disabled) { transform: translateY(-1px); box-shadow: 0 4px 15px rgba(0,114,255,0.4); }
#analyze-btn:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

/* Validation */
.input-error {
background: #fff3f3; border: 1.5px solid #ffcdd2; color: #c62828;
border-radius: 8px; padding: 10px 14px; font-size: 0.88rem;
display: flex; align-items: center; gap: 8px; margin-top: 10px;
display: none;
}
.input-success-hint {
color: #2e7d32; font-size: 0.82rem; display: flex; align-items: center;
gap: 5px; margin-top: 8px; display: none;
}

/* Progress Bar */
#progress-section {
display: none; margin-top: 24px;
background: var(--bg); border-radius: 10px; padding: 20px 24px;
border: 1px solid var(--card-border);
}
.progress-header {
display: flex; align-items: center; justify-content: space-between;
margin-bottom: 14px;
}
.progress-header .label { font-weight: 600; color: var(--primary); font-size: 0.92rem; }
.progress-pct { font-weight: 700; color: var(--accent2); font-size: 0.92rem; }
.progress-bar-track {
height: 10px; background: #dce6f5; border-radius: 10px; overflow: hidden;
margin-bottom: 14px;
}
.progress-bar-fill {
height: 100%; width: 0%;
background: linear-gradient(90deg, var(--accent2), var(--accent));
border-radius: 10px; transition: width 0.35s ease;
}
.progress-steps { display: flex; gap: 8px; flex-wrap: wrap; }
.progress-step {
display: flex; align-items: center; gap: 6px;
font-size: 0.78rem; color: var(--text-lighter);
padding: 4px 10px; background: #fff; border-radius: 20px;
border: 1px solid var(--card-border);
transition: all var(--transition);
}
.progress-step.active { color: var(--accent2); border-color: var(--accent2); background: #e8f4ff; }
.progress-step.done { color: var(--good); border-color: var(--good); background: #e8fff0; }
.progress-step .dot { width: 7px; height: 7px; border-radius: 50%; background: currentColor; }

/* ===== RESULTS ===== */
#results-section { display: none; margin-top: 24px; }

/* Score Overview */
.scores-grid {
display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
margin-bottom: 28px;
}
.score-card {
background: var(--bg); border-radius: 12px; padding: 20px;
border: 1px solid var(--card-border); text-align: center;
transition: transform var(--transition), box-shadow var(--transition);
}
.score-card:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.score-circle {
width: 76px; height: 76px; border-radius: 50%;
display: flex; align-items: center; justify-content: center;
margin: 0 auto 12px; font-size: 1.5rem; font-weight: 800;
font-family: var(--font-head); position: relative;
}
.score-circle.perf { background: rgba(0,114,255,0.1); color: var(--accent2); border: 3px solid var(--accent2); }
.score-circle.seo { background: rgba(0,200,83,0.1); color: var(--good); border: 3px solid var(--good); }
.score-circle.acc { background: rgba(255,152,0,0.1); color: var(--avg); border: 3px solid var(--avg); }
.score-circle.bp { background: rgba(156,39,176,0.1); color: #9c27b0; border: 3px solid #9c27b0; }
.score-card h4 { font-size: 0.8rem; font-weight: 600; color: var(--text-light); text-transform: uppercase; letter-spacing: 0.5px; }

/* Vitals Grid */
.vitals-grid {
display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px;
margin-bottom: 28px;
}
.vital-card {
background: var(--bg); border-radius: 12px; padding: 18px;
border-left: 4px solid transparent; border: 1px solid var(--card-border);
border-left: 4px solid transparent;
transition: transform var(--transition);
}
.vital-card:hover { transform: translateY(-2px); }
.vital-card.good { border-left-color: var(--good); }
.vital-card.average { border-left-color: var(--avg); }
.vital-card.poor { border-left-color: var(--poor); }

.vital-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.vital-name { font-size: 0.78rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; color: var(--text-light); }
.vital-badge {
font-size: 0.72rem; padding: 3px 9px; border-radius: 20px; font-weight: 600;
}
.vital-badge.good { background: #e8fff0; color: var(--good); }
.vital-badge.average { background: #fff8e1; color: var(--avg); }
.vital-badge.poor { background: #ffebee; color: var(--poor); }

.vital-value { font-size: 1.8rem; font-weight: 800; font-family: var(--font-head); color: var(--text); margin-bottom: 4px; }
.vital-unit { font-size: 0.85rem; color: var(--text-lighter); }
.vital-desc { font-size: 0.78rem; color: var(--text-lighter); margin-top: 8px; }

/* Gauge Bar */
.vital-gauge { height: 6px; background: #dce6f5; border-radius: 6px; margin-top: 10px; overflow: hidden; }
.vital-gauge-fill { height: 100%; border-radius: 6px; transition: width 1s ease; }
.vital-gauge-fill.good { background: var(--good); }
.vital-gauge-fill.average { background: var(--avg); }
.vital-gauge-fill.poor { background: var(--poor); }

/* Details Tabs */
.tabs-wrapper { margin-bottom: 28px; }
.tabs-nav {
display: flex; gap: 4px; border-bottom: 2px solid var(--card-border);
margin-bottom: 20px; overflow-x: auto; scrollbar-width: none;
}
.tabs-nav::-webkit-scrollbar { display: none; }
.tab-btn {
padding: 10px 18px; border: none; background: none; cursor: pointer;
font-family: var(--font-body); font-size: 0.88rem; font-weight: 600;
color: var(--text-lighter); border-bottom: 2px solid transparent;
margin-bottom: -2px; white-space: nowrap; transition: all var(--transition);
display: flex; align-items: center; gap: 6px;
}
.tab-btn:hover { color: var(--accent2); }
.tab-btn.active { color: var(--accent2); border-bottom-color: var(--accent2); }
.tab-content { display: none; }
.tab-content.active { display: block; }

/* Meta Table */
.meta-table { width: 100%; border-collapse: collapse; }
.meta-table th, .meta-table td {
text-align: left; padding: 11px 14px; font-size: 0.88rem;
border-bottom: 1px solid var(--card-border);
}
.meta-table th { background: var(--bg); font-weight: 600; color: var(--text-light); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.4px; }
.meta-table td:first-child { font-weight: 500; color: var(--text); width: 35%; }
.meta-table td:last-child { color: var(--text-light); word-break: break-all; }
.check-icon { display: inline-flex; align-items: center; justify-content: center; width: 22px; height: 22px; border-radius: 50%; font-size: 0.72rem; font-weight: 700; }
.check-icon.ok { background: #e8fff0; color: var(--good); }
.check-icon.warn { background: #fff8e1; color: var(--avg); }
.check-icon.fail { background: #ffebee; color: var(--poor); }

/* Recommendations */
.rec-list { display: flex; flex-direction: column; gap: 10px; }
.rec-item {
background: var(--bg); border-radius: 10px; padding: 14px 16px;
border-left: 4px solid transparent; display: flex; gap: 12px; align-items: flex-start;
}
.rec-item.critical { border-left-color: var(--poor); background: #fff9f9; }
.rec-item.warning { border-left-color: var(--avg); background: #fffdf5; }
.rec-item.info { border-left-color: var(--accent2); background: #f5faff; }
.rec-icon { font-size: 1.1rem; flex-shrink: 0; margin-top: 1px; }
.rec-body { flex: 1; }
.rec-body strong { font-size: 0.9rem; color: var(--text); display: block; margin-bottom: 3px; }
.rec-body span { font-size: 0.82rem; color: var(--text-light); }

/* Stats Grid */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px; }
.stat-item {
background: var(--bg); border-radius: 10px; padding: 14px 16px;
border: 1px solid var(--card-border); display: flex; flex-direction: column; gap: 4px;
}
.stat-label { font-size: 0.78rem; color: var(--text-lighter); font-weight: 500; text-transform: uppercase; letter-spacing: 0.4px; }
.stat-value { font-size: 1.25rem; font-weight: 700; color: var(--text); font-family: var(--font-head); }

/* Output Actions */
.output-actions {
display: flex; gap: 10px; flex-wrap: wrap;
background: var(--bg); border-radius: 10px; padding: 14px 16px;
border: 1px solid var(--card-border); margin-top: 20px;
align-items: center;
}
.output-actions .label { font-weight: 600; color: var(--text); font-size: 0.9rem; margin-right: 4px; flex-shrink: 0; }
.action-btn {
display: inline-flex; align-items: center; gap: 7px;
padding: 9px 18px; border-radius: 7px; font-size: 0.88rem;
font-weight: 600; cursor: pointer; transition: all var(--transition);
border: 1.5px solid; font-family: var(--font-body);
}
.action-btn.clear { border-color: #ffcdd2; color: #c62828; background: #fff9f9; }
.action-btn.clear:hover { background: #ffebee; }
.action-btn.copy { border-color: var(--card-border); color: var(--primary); background: #fff; }
.action-btn.copy:hover { background: var(--bg-alt); border-color: var(--accent2); }
.action-btn.download { border-color: #c8e6c9; color: #2e7d32; background: #f9fff9; }
.action-btn.download:hover { background: #e8f5e9; }

/* ===== FEATURES SECTION ===== */
.features-section { background: #fff; padding: 70px 20px; }
.section-header { text-align: center; max-width: 700px; margin: 0 auto 48px; }
.section-label {
display: inline-block; font-size: 0.78rem; font-weight: 700; text-transform: uppercase;
letter-spacing: 1px; color: var(--accent2); margin-bottom: 10px;
}
.section-title { font-family: var(--font-head); font-size: clamp(1.6rem,3vw,2.2rem); font-weight: 800; color: var(--primary-dark); margin-bottom: 12px; }
.section-desc { color: var(--text-light); font-size: 1rem; }

.features-grid { max-width: 1280px; margin: 0 auto; display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 24px; }
.feature-card {
background: var(--bg); border-radius: var(--radius); padding: 28px;
border: 1px solid var(--card-border); transition: all var(--transition);
position: relative; overflow: hidden;
}
.feature-card::before {
content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
background: linear-gradient(90deg, var(--accent2), var(--accent));
transform: scaleX(0); transition: transform var(--transition); transform-origin: left;
}
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-strong); }
.feature-card:hover::before { transform: scaleX(1); }
.feature-icon {
width: 50px; height: 50px; border-radius: 12px;
display: flex; align-items: center; justify-content: center;
font-size: 1.3rem; margin-bottom: 16px;
background: linear-gradient(135deg, rgba(0,114,255,0.1), rgba(0,198,255,0.1));
color: var(--accent2);
}
.feature-card h3 { font-family: var(--font-head); font-size: 1rem; font-weight: 700; color: var(--primary-dark); margin-bottom: 8px; }
.feature-card p { font-size: 0.88rem; color: var(--text-light); line-height: 1.6; }

/* ===== HOW IT WORKS ===== */
.howto-section { background: var(--bg); padding: 70px 20px; }
.howto-steps { max-width: 900px; margin: 0 auto; display: flex; flex-direction: column; gap: 24px; }
.howto-step {
display: flex; gap: 24px; align-items: flex-start;
background: #fff; border-radius: var(--radius); padding: 28px;
border: 1px solid var(--card-border); box-shadow: var(--shadow);
}
.step-num {
width: 48px; height: 48px; border-radius: 50%; flex-shrink: 0;
background: linear-gradient(135deg, var(--accent2), var(--accent));
color: #fff; font-weight: 800; font-size: 1.1rem; font-family: var(--font-head);
display: flex; align-items: center; justify-content: center;
}
.step-content h3 { font-family: var(--font-head); font-size: 1.05rem; font-weight: 700; color: var(--primary-dark); margin-bottom: 6px; }
.step-content p { font-size: 0.9rem; color: var(--text-light); }

/* ===== SEO ARTICLE ===== */
.article-section { background: #fff; padding: 70px 20px; }
.article-box {
max-width: 900px; margin: 0 auto;
background: var(--bg); border-radius: var(--radius); padding: 36px;
border: 1px solid var(--card-border);
}
.article-box h2 { font-family: var(--font-head); font-size: 1.4rem; font-weight: 700; color: var(--primary-dark); margin-bottom: 16px; }
.article-box p { font-size: 0.95rem; color: var(--text-light); line-height: 1.75; margin-bottom: 14px; }
.article-box p:last-child { margin-bottom: 0; }

/* ===== FAQ ===== */
.faq-section { background: var(--bg); padding: 70px 20px; }
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
background: #fff; border-radius: var(--radius-sm); border: 1px solid var(--card-border);
overflow: hidden;
}
.faq-q {
display: flex; justify-content: space-between; align-items: center;
padding: 16px 20px; cursor: pointer; gap: 12px;
font-weight: 600; font-size: 0.92rem; color: var(--text);
transition: background var(--transition);
}
.faq-q:hover { background: var(--bg-alt); }
.faq-q .icon { font-size: 0.8rem; color: var(--text-lighter); flex-shrink: 0; transition: transform var(--transition); }
.faq-item.open .faq-q .icon { transform: rotate(180deg); }
.faq-a {
padding: 0 20px; max-height: 0; overflow: hidden;
transition: max-height 0.4s ease, padding 0.2s;
font-size: 0.88rem; color: var(--text-light); line-height: 1.7;
}
.faq-item.open .faq-a { max-height: 200px; padding: 0 20px 16px; }

/* ===== CTA ===== */
.cta-section {
background: linear-gradient(135deg, var(--primary-dark), var(--primary-mid));
padding: 70px 20px; text-align: center; position: relative; overflow: hidden;
}
.cta-section::before {
content: ''; position: absolute; inset: 0;
background: radial-gradient(circle at 30% 50%, rgba(0,198,255,0.1), transparent 60%),
radial-gradient(circle at 70% 50%, rgba(0,114,255,0.1), transparent 60%);
}
.cta-content { max-width: 700px; margin: 0 auto; position: relative; }
.cta-content h2 { font-family: var(--font-head); font-size: clamp(1.5rem,3vw,2rem); font-weight: 800; color: #fff; margin-bottom: 14px; }
.cta-content p { color: rgba(255,255,255,0.65); margin-bottom: 30px; }
.cta-buttons { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.btn-cta-primary { background: linear-gradient(135deg, #00c6ff, #0072ff); color: #fff; padding: 14px 30px; border-radius: 8px; font-weight: 700; font-size: 1rem; display: inline-flex; align-items: center; gap: 8px; transition: all var(--transition); text-decoration: none; }
.btn-cta-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(0,114,255,0.45); color: #fff; }
.btn-cta-secondary { background: rgba(255,255,255,0.1); color: #fff; border: 1.5px solid rgba(255,255,255,0.3); padding: 14px 30px; border-radius: 8px; font-weight: 600; font-size: 1rem; display: inline-flex; align-items: center; gap: 8px; transition: all var(--transition); text-decoration: none; }
.btn-cta-secondary:hover { background: rgba(255,255,255,0.18); color: #fff; }

/* ===== FOOTER ===== */
footer {
background: var(--footer-bg); color: #5a7a9a; padding: 56px 20px 24px;
}
.footer-grid {
max-width: 1280px; margin: 0 auto;
display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px;
}
.footer-brand h3 { font-family: var(--font-head); font-size: 1.2rem; font-weight: 700; color: #fff; margin-bottom: 10px; }
.footer-brand p { font-size: 0.85rem; line-height: 1.65; color: #4a6a8a; margin-bottom: 16px; }
.footer-col h4 { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 1px; color: #3a6a9a; font-weight: 700; margin-bottom: 14px; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.footer-col ul li a { font-size: 0.83rem; color: #4a6a8a; transition: color var(--transition); }
.footer-col ul li a:hover { color: var(--accent); }
.footer-links-2col { display: grid; grid-template-columns: 1fr 1fr; gap: 4px 16px; }
.footer-links-2col a { font-size: 0.78rem; color: #4a6a8a; transition: color var(--transition); display: block; padding: 4px 0; }
.footer-links-2col a:hover { color: var(--accent); }

.footer-bottom {
max-width: 1280px; margin: 0 auto;
border-top: 1px solid #0f2a45; padding-top: 20px;
display: flex; align-items: center; justify-content: space-between;
font-size: 0.8rem; flex-wrap: wrap; gap: 8px;
}
.footer-bottom a { color: #3a6a9a; transition: color var(--transition); }
.footer-bottom a:hover { color: var(--accent); }
.disclaimer { font-size: 0.75rem; color: #2a4a6a; margin-top: 16px; max-width: 1280px; margin-left: auto; margin-right: auto; padding-top: 12px; border-top: 1px solid #0a1e30; line-height: 1.6; }

/* ===== TOAST ===== */
.toast {
position: fixed; bottom: 70px; right: 20px; z-index: 9000;
background: #1a2433; color: #fff; border-radius: 8px;
padding: 12px 20px; font-size: 0.88rem; font-weight: 500;
box-shadow: 0 8px 24px rgba(0,0,0,0.3);
display: flex; align-items: center; gap: 8px;
transform: translateY(20px); opacity: 0;
transition: all 0.3s ease; pointer-events: none;
}
.toast.show { transform: translateY(0); opacity: 1; }
.toast .ti { color: var(--good); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
.scores-grid { grid-template-columns: repeat(2, 1fr); }
.vitals-grid { grid-template-columns: repeat(2, 1fr); }
.footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
.hero-grid { grid-template-columns: 1fr; }
.hero-visual { display: none; }
.nav-links { display: none; }
.nav-toggle { display: flex; }
.scores-grid { grid-template-columns: repeat(2, 1fr); }
.vitals-grid { grid-template-columns: 1fr; }
.footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
.tool-body { padding: 20px; }
.tool-header { padding: 20px; }
#analyze-btn { padding: 12px 16px; font-size: 0.88rem; }
.dropdown-menu { display: none !important; }
.howto-step { flex-direction: column; gap: 12px; }
}
@media (max-width: 480px) {
.scores-grid { grid-template-columns: repeat(2, 1fr); }
.footer-grid { grid-template-columns: 1fr; }
.footer-links-2col { grid-template-columns: 1fr; }
.cta-buttons { flex-direction: column; align-items: center; }
.hero { padding: 40px 16px 36px; }
.output-actions { flex-wrap: wrap; }
}

/* Dark-mode support placeholder */
@media (prefers-color-scheme: dark) {
/* intentionally keeping light for tool consistency */
}

/* Print */
@media print {
.navbar, .hero, .features-section, .howto-section, .faq-section, .cta-section, footer, #cookie-banner, .output-actions { display: none !important; }
}

/* Spinner */
.spin { animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Animation */
@keyframes fadeInUp {
from { opacity: 0; transform: translateY(18px); }
to { opacity: 1; transform: translateY(0); }
}
.fade-in { animation: fadeInUp 0.45s ease forwards; }