/* css/style.css — Premium Redesign */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Tiro+Bangla:ital@0;1&display=swap');

/* ===== CSS VARIABLES ===== */
:root {
    /* Brand Colors */
    --primary-blue: #0a1628;          /* Deep Navy */
    --primary-mid:  #0f2244;          /* Mid Navy */
    --primary-btn:  #1d4ed8;          /* Royal Blue */
    --primary-btn-hover: #1e40af;
    --secondary-gold: #f59e0b;
    --secondary-gold-light: #fcd34d;

    /* Gradient Accents */
    --grad-hero: linear-gradient(135deg, #e8f4fd 0%, #dbeafe 50%, #bfdbfe 100%);
    --grad-blue: linear-gradient(135deg, #1d4ed8 0%, #2563eb 100%);
    --grad-gold: linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%);
    --grad-green: linear-gradient(135deg, #059669 0%, #10b981 100%);
    --grad-purple: linear-gradient(135deg, #7c3aed 0%, #8b5cf6 100%);
    --grad-cyan: linear-gradient(135deg, #0891b2 0%, #06b6d4 100%);
    --grad-red: linear-gradient(135deg, #dc2626 0%, #ef4444 100%);
    --grad-orange: linear-gradient(135deg, #d97706 0%, #f59e0b 100%);

    /* Backgrounds */
    --bg-light: #ffffff;
    --bg-gray: #f1f5f9;
    --bg-subtle: #f8fafc;

    /* Text */
    --text-dark: #0f172a;
    --text-body: #334155;
    --text-muted: #64748b;
    --text-light: #94a3b8;

    /* Card Pastels (soft) */
    --pastel-blue: #dbeafe;
    --pastel-green: #d1fae5;
    --pastel-yellow: #fef3c7;
    --pastel-purple: #ede9fe;
    --pastel-cyan: #cffafe;
    --pastel-red: #fee2e2;

    /* Status */
    --success: #059669;
    --danger: #dc2626;

    /* Borders & Shadows */
    --border-light: #e2e8f0;
    --border-mid: #cbd5e1;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.08), 0 2px 6px rgba(0,0,0,0.04);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.12), 0 4px 12px rgba(0,0,0,0.06);
    --shadow-xl: 0 20px 60px rgba(0,0,0,0.18), 0 8px 24px rgba(0,0,0,0.08);
    --shadow-glow-blue: 0 0 30px rgba(29,78,216,0.25);
    --shadow-glow-gold: 0 0 20px rgba(245,158,11,0.4);

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --radius-full: 9999px;

    --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
    --transition-fast: all 0.15s ease;
    --transition-slow: all 0.5s cubic-bezier(0.4,0,0.2,1);
}

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

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', 'Tiro Bangla', sans-serif;
    background-color: var(--bg-light);
    color: var(--text-body);
    line-height: 1.65;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-fast);
}

ul { list-style: none; }

img { max-width: 100%; display: block; }

/* ===== CONTAINER ===== */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ===== NAVBAR ===== */
.navbar {
    background: rgba(10, 22, 40, 0.97);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    color: #fff;
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 64px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.1rem;
    font-weight: 800;
    letter-spacing: -0.3px;
}

.nav-brand .brand-icon {
    width: 40px;
    height: 40px;
    background: var(--grad-gold);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--primary-blue);
    box-shadow: var(--shadow-glow-gold);
    flex-shrink: 0;
}

.nav-brand .brand-name {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.nav-brand .brand-main {
    font-size: 1rem;
    font-weight: 700;
    color: #fff;
}

.nav-brand .brand-sub {
    font-size: 0.68rem;
    font-weight: 500;
    color: var(--secondary-gold-light);
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.nav-links {
    display: flex;
    gap: 0.25rem;
    align-items: center;
    font-size: 0.875rem;
}

.nav-links a {
    color: #94a3b8;
    font-weight: 500;
    padding: 0.4rem 0.75rem;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    white-space: nowrap;
}

.nav-links a:hover,
.nav-links a.active {
    color: #fff;
    background: rgba(255,255,255,0.08);
}

.nav-links a.active {
    color: var(--secondary-gold-light);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.icon-btn {
    background: rgba(255,255,255,0.07);
    border: 1px solid rgba(255,255,255,0.1);
    color: #94a3b8;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    transition: var(--transition);
}

.icon-btn:hover {
    background: rgba(255,255,255,0.14);
    color: #fff;
}

/* ===== BUTTONS ===== */
.btn {
    padding: 0.6rem 1.25rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    position: relative;
    overflow: hidden;
    letter-spacing: 0.1px;
}

.btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255,255,255,0);
    transition: var(--transition);
    border-radius: inherit;
}

.btn:hover::after {
    background: rgba(255,255,255,0.1);
}

.btn-blue {
    background: var(--grad-blue);
    color: #fff;
    box-shadow: 0 4px 14px rgba(29,78,216,0.35);
}

.btn-blue:hover {
    box-shadow: 0 6px 20px rgba(29,78,216,0.5);
    transform: translateY(-1px);
}

.btn-yellow {
    background: var(--grad-gold);
    color: var(--primary-blue);
    font-weight: 700;
    box-shadow: 0 4px 14px rgba(245,158,11,0.35);
}

.btn-yellow:hover {
    box-shadow: 0 6px 20px rgba(245,158,11,0.5);
    transform: translateY(-1px);
}

.btn-green {
    background: var(--grad-green);
    color: #fff;
    box-shadow: 0 4px 14px rgba(5,150,105,0.35);
}

.btn-green:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(5,150,105,0.5);
}

.btn-white {
    background: rgba(255,255,255,0.95);
    color: var(--text-dark);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
}

.btn-white:hover {
    background: #fff;
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.btn-outline-white {
    background: transparent;
    border: 1.5px solid rgba(255,255,255,0.3);
    color: #fff;
}

.btn-outline-white:hover {
    background: rgba(255,255,255,0.08);
    border-color: rgba(255,255,255,0.5);
}

.btn-outline-blue {
    background: transparent;
    border: 1.5px solid var(--primary-btn);
    color: var(--primary-btn);
    font-weight: 600;
}

.btn-outline-blue:hover {
    background: var(--primary-btn);
    color: #fff;
    box-shadow: 0 4px 14px rgba(29,78,216,0.25);
}

/* ===== HERO SECTION ===== */
.hero {
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.85) 0%, rgba(30, 58, 138, 0.75) 100%), url('../images/hero_bg_2.jpg') center/cover no-repeat;
    padding: 4.5rem 0 2rem;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
}

/* Subtle light orbs */
.hero::before {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(29,78,216,0.08) 0%, transparent 70%);
    top: -100px;
    right: 0;
    border-radius: 50%;
    animation: floatOrb 8s ease-in-out infinite;
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, rgba(245,158,11,0.08) 0%, transparent 70%);
    bottom: -80px;
    left: -60px;
    border-radius: 50%;
    animation: floatOrb 10s ease-in-out infinite reverse;
    pointer-events: none;
}

/* Particle dots */
.hero-particles {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.hero-particles span {
    position: absolute;
    width: 2px;
    height: 2px;
    background: rgba(255,255,255,0.4);
    border-radius: 50%;
    animation: twinkle var(--dur, 4s) ease-in-out infinite;
    animation-delay: var(--delay, 0s);
}

@keyframes twinkle {
    0%, 100% { opacity: 0.2; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.5); }
}

@keyframes floatOrb {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -20px) scale(1.05); }
    66% { transform: translate(-20px, 20px) scale(0.95); }
}

.hero > .container {
    position: relative;
    z-index: 2;
    width: 100%;
}

.hero-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 4rem;
}

.hero-text {
    flex: 0 0 52%;
    max-width: 600px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: #fff;
    padding: 0.35rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    letter-spacing: 0.3px;
    animation: fadeSlideDown 0.7s ease both;
    backdrop-filter: blur(4px);
}

.hero-badge i { font-size: 0.75rem; }

.hero h1 {
    font-size: clamp(2rem, 4vw, 3.2rem);
    color: #ffffff;
    line-height: 1.18;
    margin-bottom: 1.25rem;
    font-weight: 800;
    letter-spacing: -1px;
    animation: fadeSlideDown 0.7s ease 0.1s both;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.hero h1 .highlight {
    background: var(--grad-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2.25rem;
    line-height: 1.8;
    animation: fadeSlideDown 0.7s ease 0.2s both;
    text-shadow: 0 1px 2px rgba(0,0,0,0.3);
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    animation: fadeSlideDown 0.7s ease 0.3s both;
}

.hero-buttons .btn {
    padding: 0.85rem 1.75rem;
    font-size: 0.95rem;
}

.hero-trust {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-top: 2.5rem;
    animation: fadeSlideDown 0.7s ease 0.4s both;
}

.hero-trust-item {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.85);
}

.hero-trust-item i {
    color: var(--success);
    font-size: 0.9rem;
}

/* ===== HERO VISUAL (Photo + WBP Badge overlay) ===== */
.hero-visual {
    flex: 0 0 46%;
    max-width: 520px;
    position: relative;
    animation: fadeSlideLeft 0.9s ease 0.2s both;
}

/* Standalone badge container (no photo) */
.wbp-badge-standalone {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 2rem 0;
}

/* Actual WBP Logo Image */
.wbp-logo-img {
    width: 300px;
    height: auto;
    position: relative;
    z-index: 2;
    animation: heroFloat 6s ease-in-out infinite;
    filter: drop-shadow(0 16px 40px rgba(10, 22, 80, 0.30))
            drop-shadow(0 4px 12px rgba(0, 0, 0, 0.20));
    transition: transform 0.3s ease;
}

.wbp-logo-img:hover {
    transform: scale(1.04) translateY(-4px);
}


/* Decorative glow rings */
.badge-glow-ring {
    position: absolute;
    border-radius: 50%;
    border: 1.5px solid rgba(29, 78, 216, 0.2);
    animation: ringPulse 3s ease-in-out infinite;
    pointer-events: none;
}

.ring-1 { width: 260px; height: 260px; animation-delay: 0s; }
.ring-2 { width: 320px; height: 320px; animation-delay: 0.6s; border-color: rgba(29,78,216,0.12); }
.ring-3 { width: 380px; height: 380px; animation-delay: 1.2s; border-color: rgba(29,78,216,0.06); }

@keyframes ringPulse {
    0%, 100% { transform: scale(1);    opacity: 1; }
    50%       { transform: scale(1.04); opacity: 0.5; }
}


.wbp-badge {
    width: 190px;
    height: 190px;
    position: relative;
    filter: drop-shadow(0 12px 30px rgba(0,0,0,0.22));
    animation: heroFloat 6s ease-in-out infinite;
}

/* Outermost ring — deep gold rope border */
.wbp-badge-outer {
    width: 190px;
    height: 190px;
    border-radius: 50%;
    background: conic-gradient(
        #c8960c 0deg, #f5d050 20deg,
        #c8960c 40deg, #f5d050 60deg,
        #c8960c 80deg, #f5d050 100deg,
        #c8960c 120deg, #f5d050 140deg,
        #c8960c 160deg, #f5d050 180deg,
        #c8960c 200deg, #f5d050 220deg,
        #c8960c 240deg, #f5d050 260deg,
        #c8960c 280deg, #f5d050 300deg,
        #c8960c 320deg, #f5d050 340deg,
        #c8960c 360deg
    );
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow:
        0 0 0 3px #8b6914,
        inset 0 0 0 3px #8b6914;
}

/* Middle ring — dark navy */
.wbp-badge-inner {
    width: 166px;
    height: 166px;
    border-radius: 50%;
    background: #0d1f4a;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 3px solid #c8960c;
}

/* Core — red background */
.wbp-badge-center {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    background: radial-gradient(circle at 40% 35%, #c0392b 0%, #922b21 60%, #7b241c 100%);
    border: 2px solid rgba(200,150,12,0.6);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    padding: 8px;
    position: relative;
    overflow: hidden;
}

.wbp-badge-center::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 30% 20%, rgba(255,255,255,0.12) 0%, transparent 60%);
    border-radius: 50%;
}

.wbp-top-text {
    font-size: 0.38rem;
    font-weight: 800;
    color: #f5d050;
    letter-spacing: 0.8px;
    text-transform: uppercase;
    text-align: center;
    line-height: 1.2;
    position: relative;
    z-index: 1;
}

.wbp-emblem {
    font-size: 2.6rem;
    color: #f5d050;
    line-height: 1;
    margin: 2px 0;
    position: relative;
    z-index: 1;
    text-shadow: 0 2px 6px rgba(0,0,0,0.4);
}

.wbp-monogram {
    font-size: 0.7rem;
    font-weight: 900;
    color: #f5d050;
    letter-spacing: 2px;
    position: relative;
    z-index: 1;
}

.wbp-bottom-text {
    font-size: 0.42rem;
    color: #f5d050;
    font-weight: 700;
    letter-spacing: 0.5px;
    background: rgba(0,0,0,0.3);
    padding: 1px 5px;
    border-radius: 2px;
    position: relative;
    z-index: 1;
}

@keyframes heroFloat {
    0%, 100% { transform: translateY(0px); }
    50%       { transform: translateY(-12px); }
}


/* ===== STATS BAR ===== */
.stats-bar {
    background: #ffffff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: 1.75rem 2.5rem;
    margin-top: 3rem;
    position: relative;
    z-index: 10;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    border: 1px solid rgba(255,255,255,0.8);
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.25rem 0;
    transition: var(--transition);
}

.stat-item:not(:last-child) {
    border-right: 1px solid var(--border-light);
    padding-right: 1.5rem;
}

.stat-icon-wrap {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    flex-shrink: 0;
}

.stat-icon-wrap.purple { background: var(--pastel-purple); color: #7c3aed; }
.stat-icon-wrap.green  { background: var(--pastel-green);  color: var(--success); }
.stat-icon-wrap.orange { background: var(--pastel-yellow); color: #d97706; }
.stat-icon-wrap.red    { background: var(--pastel-red);    color: #dc2626; }

.stat-info h3 {
    font-size: 1.35rem;
    color: var(--text-dark);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.5px;
}

.stat-info p {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 500;
    margin-top: 0.1rem;
}

/* ===== SECTIONS ===== */
.section {
    padding: 5rem 0;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2.5rem;
}

.section-label {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--primary-btn);
    background: var(--pastel-blue);
    padding: 0.3rem 0.9rem;
    border-radius: var(--radius-full);
    margin-bottom: 0.6rem;
}

.section-title {
    font-size: clamp(1.3rem, 2.5vw, 1.75rem);
    color: var(--text-dark);
    font-weight: 800;
    letter-spacing: -0.5px;
    line-height: 1.25;
}

.section-subtitle {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
}

.view-all {
    color: var(--primary-btn);
    font-weight: 600;
    font-size: 0.875rem;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.45rem 1rem;
    border-radius: var(--radius-full);
    background: var(--pastel-blue);
    transition: var(--transition);
    white-space: nowrap;
}

.view-all:hover {
    background: var(--primary-btn);
    color: #fff;
    gap: 0.55rem;
}

/* ===== MOCK TEST CARDS ===== */
.mock-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
    gap: 1.5rem;
}

.mock-card {
    border-radius: var(--radius-lg);
    padding: 1.75rem 1.5rem;
    text-align: center;
    border: 1px solid var(--border-light);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.mock-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--grad-blue);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}

.mock-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.mock-card:hover::before { transform: scaleX(1); }

.mock-card.bg-blue   { background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%); }
.mock-card.bg-blue::before { background: var(--grad-blue); }
.mock-card.bg-green  { background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%); }
.mock-card.bg-green::before { background: var(--grad-green); }
.mock-card.bg-yellow { background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%); }
.mock-card.bg-yellow::before { background: var(--grad-gold); }
.mock-card.bg-purple { background: linear-gradient(135deg, #ede9fe 0%, #ddd6fe 100%); }
.mock-card.bg-purple::before { background: var(--grad-purple); }
.mock-card.bg-cyan   { background: linear-gradient(135deg, #cffafe 0%, #a5f3fc 100%); }
.mock-card.bg-cyan::before { background: var(--grad-cyan); }

.mock-icon {
    font-size: 2.75rem;
    margin-bottom: 1rem;
    display: block;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
    transition: var(--transition);
}

.mock-card:hover .mock-icon {
    transform: scale(1.1) rotate(-3deg);
}

.mock-title {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-dark);
    line-height: 1.4;
}

.mock-details {
    display: flex;
    justify-content: center;
    gap: 1rem;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    flex-wrap: wrap;
}

.mock-details span {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    background: rgba(255,255,255,0.6);
    padding: 0.2rem 0.6rem;
    border-radius: var(--radius-full);
    font-weight: 500;
}

.mock-details-bottom {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.3rem;
}

/* ===== MIDDLE SECTION ===== */
.middle-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 2.5rem;
    align-items: start;
}

/* Daily Quiz Card */
.quiz-card {
    background: linear-gradient(135deg, #064e3b 0%, #065f46 60%, #059669 100%);
    border-radius: var(--radius-xl);
    padding: 2.5rem 2rem;
    text-align: center;
    color: #fff;
    position: relative;
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(5,150,105,0.3);
}

.quiz-card::before {
    content: '';
    position: absolute;
    width: 200px; height: 200px;
    background: rgba(255,255,255,0.05);
    border-radius: 50%;
    top: -50px; right: -50px;
}

.quiz-card::after {
    content: '';
    position: absolute;
    width: 150px; height: 150px;
    background: rgba(255,255,255,0.04);
    border-radius: 50%;
    bottom: -40px; left: -40px;
}

.quiz-card > * { position: relative; z-index: 1; }

.quiz-card p {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.8);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.quiz-reward {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin: 1rem 0 1.5rem;
}

.quiz-reward .gift-emoji { font-size: 3.5rem; filter: drop-shadow(0 4px 8px rgba(0,0,0,0.3)); }

.coin-badge {
    width: 52px; height: 52px;
    background: var(--grad-gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1rem;
    color: var(--primary-blue);
    box-shadow: 0 4px 12px rgba(245,158,11,0.5);
    animation: coinPulse 2s ease-in-out infinite;
}

@keyframes coinPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.08); }
}

.quiz-meta {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
    font-size: 0.82rem;
    color: rgba(255,255,255,0.7);
}

.quiz-meta span {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    background: rgba(255,255,255,0.1);
    padding: 0.3rem 0.75rem;
    border-radius: var(--radius-full);
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
}

.feature-item {
    padding: 1.5rem;
    background: #fff;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    cursor: default;
}

.feature-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--pastel-blue), transparent);
    opacity: 0;
    transition: var(--transition);
}

.feature-item:hover {
    border-color: #bfdbfe;
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.feature-item:hover::after { opacity: 0.4; }

.feature-icon {
    width: 48px; height: 48px;
    background: var(--pastel-purple);
    color: #7c3aed;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    margin-bottom: 0.9rem;
    transition: var(--transition);
    position: relative;
    z-index: 1;
}

.feature-item:hover .feature-icon { transform: scale(1.1); }

.feature-icon.blue   { background: var(--pastel-blue);   color: var(--primary-btn); }
.feature-icon.green  { background: var(--pastel-green);  color: var(--success); }
.feature-icon.red    { background: var(--pastel-red);    color: #dc2626; }
.feature-icon.orange { background: #ffedd5;               color: #d97706; }

.feature-item h4 {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.4rem;
    position: relative;
    z-index: 1;
}

.feature-item p {
    font-size: 0.8rem;
    color: var(--text-muted);
    line-height: 1.5;
    position: relative;
    z-index: 1;
}

/* ===== CTA BANNER ===== */
.cta-banner {
    background: linear-gradient(135deg, #0a1628 0%, #0f2244 50%, #1a3a6e 100%);
    border-radius: var(--radius-xl);
    padding: 2.5rem 3rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: #fff;
    margin-top: 2.5rem;
    position: relative;
    overflow: hidden;
    box-shadow: 0 12px 40px rgba(10,22,40,0.35), 0 4px 16px rgba(29,78,216,0.2);
    border: 1px solid rgba(255,255,255,0.06);
}

.cta-banner::before {
    content: '';
    position: absolute;
    width: 350px; height: 350px;
    background: radial-gradient(circle, rgba(29,78,216,0.35), transparent 70%);
    top: -100px; right: 80px;
    border-radius: 50%;
    pointer-events: none;
}

.cta-banner::after {
    content: '';
    position: absolute;
    width: 220px; height: 220px;
    background: radial-gradient(circle, rgba(245,158,11,0.25), transparent 70%);
    bottom: -60px; left: 40px;
    border-radius: 50%;
    pointer-events: none;
}

.cta-banner > * { position: relative; z-index: 1; }

.cta-banner-text {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.cta-trophy-wrap {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 50%, #d97706 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: #fff;
    flex-shrink: 0;
    position: relative;
    box-shadow:
        0 0 0 6px rgba(245,158,11,0.18),
        0 0 0 12px rgba(245,158,11,0.08),
        0 8px 24px rgba(245,158,11,0.45);
    animation: coinPulse 3s ease-in-out infinite;
}

.cta-trophy-wrap i {
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.25));
    position: relative;
    z-index: 1;
}

.cta-banner-text h2 {
    font-size: 1.35rem;
    font-weight: 700;
    line-height: 1.55;
    color: #ffffff;
    text-shadow: 0 1px 4px rgba(0,0,0,0.2);
}

/* ===== THREE COLUMNS SECTION ===== */
.section.bg-gray {
    background: var(--bg-gray);
}

.three-cols {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.col-card {
    background: #fff;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.col-card:hover {
    box-shadow: var(--shadow-md);
}

.list-item {
    display: flex;
    gap: 0.85rem;
    padding: 0.85rem 0;
    align-items: center;
    border-bottom: 1px solid var(--border-light);
    transition: var(--transition);
}

.list-item:first-child { padding-top: 0; }
.list-item:last-child  { border-bottom: none; padding-bottom: 0; }

.list-item:hover { background: none; }

.list-img {
    width: 44px; height: 44px;
    border-radius: var(--radius-sm);
    background: var(--bg-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: var(--primary-btn);
    flex-shrink: 0;
    transition: var(--transition);
}

.list-item:hover .list-img {
    background: var(--pastel-blue);
    transform: scale(1.05);
}

.list-content h4 {
    font-size: 0.875rem;
    color: var(--text-dark);
    font-weight: 600;
    line-height: 1.4;
}

.list-content p {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-top: 0.15rem;
}

.badge-new {
    background: var(--pastel-green);
    color: var(--success);
    padding: 0.2rem 0.55rem;
    border-radius: var(--radius-full);
    font-size: 0.7rem;
    font-weight: 700;
    white-space: nowrap;
    letter-spacing: 0.3px;
    flex-shrink: 0;
}

/* Ranker List */
.ranker-list .list-item {
    justify-content: space-between;
}

.ranker-left {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.rank-badge {
    width: 28px; height: 28px;
    background: #f1f5f9;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 0.78rem;
    color: var(--text-muted);
    flex-shrink: 0;
}

.rank-badge.gold   { background: linear-gradient(135deg, #fbbf24, #f59e0b); color: #fff; box-shadow: 0 2px 8px rgba(245,158,11,0.4); }
.rank-badge.silver { background: linear-gradient(135deg, #e2e8f0, #cbd5e1); color: #475569; }
.rank-badge.bronze { background: linear-gradient(135deg, #fdba74, #f97316); color: #fff; }

.ranker-avatar {
    width: 38px; height: 38px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--pastel-blue), var(--pastel-purple));
    flex-shrink: 0;
    border: 2px solid var(--border-light);
}

.ranker-score {
    font-weight: 800;
    color: var(--primary-btn);
    font-size: 0.9rem;
}

/* ===== TARGET EXAMS ===== */
.exams-grid {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
    padding-bottom: 0.5rem;
}

.exam-item {
    text-align: center;
    cursor: pointer;
}

.exam-icon {
    width: 72px; height: 72px;
    border-radius: var(--radius-lg);
    border: 2px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: var(--primary-btn);
    margin: 0 auto 0.65rem auto;
    background: #fff;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.exam-item:hover .exam-icon {
    background: var(--grad-blue);
    color: #fff;
    border-color: var(--primary-btn);
    transform: translateY(-5px) scale(1.05);
    box-shadow: var(--shadow-md), 0 0 0 4px var(--pastel-blue);
}

.exam-item p {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-body);
    transition: var(--transition);
}

.exam-item:hover p { color: var(--primary-btn); }

/* ===== FOOTER ===== */
.newsletter-section {
    background: var(--grad-blue);
    padding: 2.5rem 0;
    color: #fff;
}

.newsletter-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.newsletter-text {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.newsletter-text i {
    font-size: 2.25rem;
    color: var(--secondary-gold-light);
}

.newsletter-text h3 {
    font-size: 1.1rem;
    font-weight: 700;
}

.newsletter-text p {
    font-size: 0.85rem;
    opacity: 0.8;
    margin-top: 0.15rem;
}

.newsletter-form {
    display: flex;
    gap: 0.5rem;
    flex-shrink: 0;
}

.newsletter-form input {
    padding: 0.8rem 1.5rem;
    border-radius: var(--radius-full);
    border: none;
    width: 280px;
    outline: none;
    font-size: 0.9rem;
    background: rgba(255,255,255,0.15);
    color: #fff;
    border: 1px solid rgba(255,255,255,0.25);
    backdrop-filter: blur(4px);
}

.newsletter-form input::placeholder { color: rgba(255,255,255,0.6); }

.newsletter-form .btn {
    border-radius: var(--radius-full);
    padding: 0.8rem 1.75rem;
    background: #fff;
    color: var(--primary-btn);
    font-weight: 700;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.newsletter-form .btn:hover {
    background: var(--secondary-gold);
    color: var(--primary-blue);
}

.main-footer {
    background: var(--primary-blue);
    color: #94a3b8;
    padding: 4rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.8fr 1fr 1fr 1.6fr;
    gap: 3rem;
    margin-bottom: 3rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid rgba(255,255,255,0.07);
}

.footer-col h4 {
    color: #fff;
    font-size: 1rem;
    margin-bottom: 1.25rem;
    font-weight: 700;
    position: relative;
    padding-bottom: 0.75rem;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 28px;
    height: 2px;
    background: var(--grad-gold);
    border-radius: 2px;
}

.footer-col p {
    font-size: 0.875rem;
    margin-bottom: 1.25rem;
    line-height: 1.7;
}

.social-links {
    display: flex;
    gap: 0.6rem;
}

.social-links a {
    width: 36px; height: 36px;
    border-radius: var(--radius-sm);
    background: rgba(255,255,255,0.06);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #94a3b8;
    transition: var(--transition);
    border: 1px solid rgba(255,255,255,0.07);
}

.social-links a:hover {
    background: var(--primary-btn);
    color: #fff;
    border-color: var(--primary-btn);
    transform: translateY(-2px);
}

.footer-links li {
    margin-bottom: 0.65rem;
}

.footer-links a {
    font-size: 0.875rem;
    color: #94a3b8;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    transition: var(--transition);
}

.footer-links a::before {
    content: '›';
    font-size: 1rem;
    color: var(--primary-btn);
    opacity: 0;
    transform: translateX(-4px);
    transition: var(--transition);
}

.footer-links a:hover {
    color: #fff;
    padding-left: 4px;
}

.footer-links a:hover::before {
    opacity: 1;
    transform: translateX(0);
}

.contact-info li {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 0.85rem;
    align-items: flex-start;
    font-size: 0.875rem;
}

.contact-info i {
    color: var(--secondary-gold);
    margin-top: 0.2rem;
    flex-shrink: 0;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.82rem;
    color: #475569;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.footer-bottom-links {
    display: flex;
    gap: 1.5rem;
}

.footer-bottom-links a {
    color: #475569;
    transition: var(--transition);
}

.footer-bottom-links a:hover { color: #94a3b8; }

/* ===== SCROLL ANIMATIONS ===== */
.fade-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

@keyframes fadeSlideDown {
    from { opacity: 0; transform: translateY(-16px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeSlideLeft {
    from { opacity: 0; transform: translateX(24px); }
    to   { opacity: 1; transform: translateX(0); }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1100px) {
    .stats-bar { grid-template-columns: repeat(2, 1fr); }
    .stat-item:nth-child(2) { border-right: none; }
    .stat-item:nth-child(odd):not(:last-child) { border-right: 1px solid var(--border-light); }

    .middle-grid { grid-template-columns: 1fr; }
    .three-cols { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
    .hero { min-height: auto; padding: 4rem 0 6rem; }
    .hero-content { flex-direction: column; gap: 2.5rem; }
    .hero-text { flex: 0 0 100%; max-width: 100%; text-align: center; }
    .hero-buttons { justify-content: center; }
    .hero-trust { justify-content: center; }
    .hero-visual { flex: 0 0 100%; max-width: 420px; margin: 0 auto; }
    .wbp-logo-img { width: 220px; }
    .wbp-badge   { width: 150px; height: 150px; }
    .wbp-badge-outer { width: 150px; height: 150px; }
    .wbp-badge-inner { width: 130px; height: 130px; }
    .wbp-badge-center { width: 110px; height: 110px; }
    .wbp-emblem  { font-size: 2rem; }

    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .cta-banner { flex-direction: column; text-align: center; gap: 1.5rem; padding: 2rem; }
    .cta-banner-text { flex-direction: column; align-items: center; }
    .cta-banner-text h2 { font-size: 1.15rem; }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: #0a1628;
        padding: 1rem;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.4);
        z-index: 1000;
        border-top: 1px solid rgba(255,255,255,0.1);
    }
    .nav-links.active-mobile { display: flex; }
    .nav-links li { width: 100%; text-align: center; }
    .nav-links a { display: block; padding: 0.75rem; border-radius: 4px; }
    .mobile-only-auth { display: block !important; margin-top: 1rem; padding-top: 1rem; border-top: 1px solid rgba(255,255,255,0.1); }
    .nav-actions .btn { display: none; }
    .icon-btn { display: flex; }
    #mobile-menu-btn { display: flex !important; }

    .hero h1 { font-size: 2rem; }

    .stats-bar { grid-template-columns: repeat(2, 1fr); padding: 1.25rem; gap: 1rem; }
    .stat-item { border-right: none !important; padding-right: 0 !important; }

    .mock-grid { grid-template-columns: repeat(2, 1fr); }

    .features-grid { grid-template-columns: 1fr; }

    .newsletter-container { flex-direction: column; text-align: center; }
    .newsletter-form { flex-direction: column; width: 100%; }
    .newsletter-form input { width: 100%; }

    .three-cols { grid-template-columns: 1fr; }

    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
    .container { padding: 0 1.25rem; }
    .mock-grid { grid-template-columns: 1fr; }
    .stats-bar { grid-template-columns: 1fr 1fr; }
    .hero-buttons { flex-direction: column; align-items: center; }
    .hero-buttons .btn { width: 100%; max-width: 300px; }
}
