/* ===== CSS Variables & Reset ===== */
:root {
    --bg-1: #070B1A;
    --bg-2: #0E1A3A;
    --ink: #EAF2FF;
    --accent: #64D4FF;
    --gold: #F4D37E;
    
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.5rem;
    --space-6: 2rem;
    --space-7: 3rem;
    --space-8: 4rem;
    --space-9: 5rem;
    --space-10: 6rem;
    
    --section-padding: var(--space-9) 0;
    --container-padding: 0 var(--space-6);
    
    --font-stack: ui-sans-serif, -apple-system, "Segoe UI", Roboto, Inter, Arial, sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-stack);
    background: linear-gradient(135deg, var(--bg-1) 0%, var(--bg-2) 100%);
    color: var(--ink);
    line-height: 1.6;
    font-size: 16px;
    overflow-x: hidden;
}

/* ===== Noise Overlay ===== */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
    opacity: 0.03;
    background: 
        repeating-linear-gradient(
            90deg,
            transparent,
            transparent 2px,
            rgba(255,255,255,0.1) 2px,
            rgba(255,255,255,0.1) 4px
        ),
        repeating-linear-gradient(
            0deg,
            transparent,
            transparent 2px,
            rgba(255,255,255,0.1) 2px,
            rgba(255,255,255,0.1) 4px
        );
}

/* ===== Animated Background ===== */
.hero__bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--bg-1) 0%, var(--bg-2) 50%, #1a0b2e 100%);
    animation: gradientShift 8s ease-in-out infinite alternate;
}

@keyframes gradientShift {
    0% { background: linear-gradient(135deg, var(--bg-1) 0%, var(--bg-2) 50%, #1a0b2e 100%); }
    100% { background: linear-gradient(225deg, #0a0f2a 0%, var(--bg-2) 50%, var(--bg-1) 100%); }
}

/* ===== Starfield ===== */
.starfield {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(1px 1px at 20px 30px, rgba(255,255,255,0.8), transparent),
        radial-gradient(1px 1px at 40px 70px, rgba(100,212,255,0.6), transparent),
        radial-gradient(1px 1px at 90px 40px, rgba(255,255,255,0.4), transparent),
        radial-gradient(1px 1px at 130px 80px, rgba(244,211,126,0.5), transparent),
        radial-gradient(1px 1px at 160px 30px, rgba(255,255,255,0.7), transparent);
    background-repeat: repeat;
    background-size: 200px 100px;
    animation: twinkle 4s ease-in-out infinite alternate;
}

@keyframes twinkle {
    0% { opacity: 0.3; }
    100% { opacity: 0.8; }
}

/* ===== Typography ===== */
h1, h2, h3 {
    font-weight: bold;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(1.8rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.2rem, 3vw, 1.5rem); }

p { font-size: clamp(1rem, 2vw, 1.125rem); }

/* ===== Glassmorphism Components ===== */
.glass {
    background: rgba(234, 242, 255, 0.05);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(234, 242, 255, 0.1);
    border-radius: 16px;
}

.glass-strong {
    background: rgba(234, 242, 255, 0.08);
    backdrop-filter: blur(30px);
    border: 1px solid rgba(234, 242, 255, 0.15);
    border-radius: 20px;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4) var(--space-7);
    border: none;
    border-radius: 12px;
    font-family: var(--font-stack);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    min-height: 52px;
    gap: var(--space-2);
}

.btn--large {
    padding: var(--space-5) var(--space-8);
    font-size: 1.1rem;
    min-height: 60px;
}

.btn--primary {
    background: linear-gradient(135deg, var(--accent) 0%, #4facfe 100%);
    color: var(--bg-1);
    box-shadow: 0 8px 32px rgba(100, 212, 255, 0.3);
}

.btn--secondary {
    background: rgba(234, 242, 255, 0.1);
    color: var(--ink);
    border: 2px solid rgba(234, 242, 255, 0.2);
}

.btn:hover {
    transform: translateY(-2px) scale(1.02);
}

.btn--primary:hover {
    box-shadow: 0 12px 40px rgba(100, 212, 255, 0.4);
}

.btn--secondary:hover {
    background: rgba(234, 242, 255, 0.15);
    border-color: var(--accent);
}

/* ===== Reveal Animation ===== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    min-height: 85vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    z-index: 2;
    padding-top: 80px;
}

.hero__content {
    text-align: center;
    max-width: 900px;
    padding: var(--space-6);
    position: relative;
    z-index: 10;
}

.hero__title {
    margin-bottom: var(--space-4);
    background: linear-gradient(135deg, var(--ink) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

.hero__subtitle {
    font-size: clamp(1.1rem, 2.5vw, 1.25rem);
    margin-bottom: var(--space-7);
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero__cta {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
    flex-wrap: wrap;
}

.hero__spotlight {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 600px;
    background: radial-gradient(ellipse, rgba(100, 212, 255, 0.15) 0%, transparent 70%);
    z-index: 5;
}

/* ===== 3D Characters ===== */
.character {
    position: absolute;
    transition: transform 0.1s ease;
    z-index: 8;
    width: 200px;
    height: 300px;
}

.character img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    border-radius: 20px;
    border: 2px solid rgba(234, 242, 255, 0.1);
    background: linear-gradient(135deg, rgba(100, 212, 255, 0.2) 0%, rgba(244, 211, 126, 0.1) 100%);
}

.character--einstein {
    top: 20%;
    left: 5%;
}

.character--jobs {
    top: 30%;
    right: 5%;
}

.character--davinci {
    top: 10%;
    right: 25%;
    transform: scale(0.7);
}

/* ===== Hero Stats ===== */
.hero__stats {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
    margin-top: var(--space-7);
    flex-wrap: wrap;
}

.stat {
    padding: var(--space-4) var(--space-5);
    text-align: center;
    min-width: 140px;
    transition: all 0.3s ease;
}

.stat:hover {
    transform: translateY(-2px) scale(1.05);
}

.stat__number {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: bold;
    color: var(--accent);
    margin-bottom: var(--space-1);
    background: linear-gradient(135deg, var(--accent) 0%, var(--gold) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat__label {
    font-size: 0.9rem;
    opacity: 0.8;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ===== Section Containers ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--container-padding);
}

.section__title {
    text-align: center;
    margin-bottom: var(--space-8);
    background: linear-gradient(135deg, var(--ink) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    line-height: 1.2;
}

.section__description {
    font-size: clamp(1.1rem, 2.2vw, 1.25rem);
    max-width: 700px;
    margin: 0 auto var(--space-8);
    opacity: 0.9;
    text-align: center;
    line-height: 1.6;
}

.section__buttons {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
    flex-wrap: wrap;
}

/* ===== How It Works Section ===== */
.how-it-works {
    padding: var(--space-8) var(--space-4);
    position: relative;
    z-index: 2;
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-6);
    margin-top: var(--space-7);
}

.step {
    padding: var(--space-6);
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
}

.step:hover {
    transform: scale(1.02);
    box-shadow: 0 20px 60px rgba(100, 212, 255, 0.1);
}

.step__icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--space-4);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--accent), #4facfe);
    border-radius: 50%;
    color: var(--bg-1);
    font-size: 2rem;
}

.step__title {
    margin-bottom: var(--space-3);
    color: var(--accent);
}

.step__description {
    opacity: 0.8;
}

/* ===== IQ Test & Academy Sections ===== */
.iq-test-section, .academy-section {
    padding: var(--space-8) var(--space-4);
    position: relative;
    z-index: 2;
    text-align: center;
}

/* ===== Mentors Grid ===== */
.mentors {
    padding: var(--space-8) var(--space-4);
    position: relative;
    z-index: 2;
}

.mentors__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-5);
    margin-top: var(--space-7);
}

.mentor {
    padding: var(--space-5);
    text-align: center;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.mentor:hover {
    transform: translateY(-8px);
}

.mentor:hover::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    animation: sweep 0.8s ease-in-out;
}

@keyframes sweep {
    0% { left: -100%; }
    100% { left: 100%; }
}

.mentor__portrait {
    width: 120px;
    height: 120px;
    margin: 0 auto var(--space-4);
    background: linear-gradient(135deg, rgba(244, 211, 126, 0.2) 0%, rgba(100, 212, 255, 0.1) 100%);
    border-radius: 50%;
    border: 3px solid rgba(244, 211, 126, 0.3);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mentor__portrait img {
    width: 140%;
    height: 140%;
    object-fit: cover;
    object-position: center top;
    position: absolute;
    top: -10%;
    left: -20%;
    transition: transform 0.3s ease;
}

.mentor__portrait:hover img {
    transform: scale(1.05);
}

.mentor__week {
    font-size: 0.9rem;
    color: var(--gold);
    margin-bottom: var(--space-2);
}

.mentor__name {
    margin-bottom: var(--space-3);
}

.mentor__promise {
    opacity: 0.8;
    font-size: 0.9rem;
    margin-bottom: var(--space-4);
}

.mentor__preview {
    display: inline-block;
    color: var(--accent);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.3s ease;
    position: relative;
}

.mentor__preview:hover {
    color: var(--gold);
    transform: translateX(4px);
}

.mentor__preview::before {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, var(--accent), var(--gold));
    transition: width 0.3s ease;
}

.mentor__preview:hover::before {
    width: 100%;
}

/* ===== Leaderboard Preview ===== */
.leaderboard-preview {
    padding: var(--space-8) var(--space-4);
    position: relative;
    z-index: 2;
}

.leaderboard__container {
    max-width: 600px;
    margin: var(--space-7) auto 0;
    padding: var(--space-6);
}

.leaderboard__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-5);
    padding-bottom: var(--space-3);
    border-bottom: 1px solid rgba(234, 242, 255, 0.1);
}

.leaderboard__title {
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--gold);
}

.leaderboard__view-all {
    color: var(--accent);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.leaderboard__view-all:hover {
    color: var(--gold);
}

.leaderboard__list {
    margin-bottom: var(--space-5);
}

.leaderboard__item {
    display: flex;
    align-items: center;
    padding: var(--space-3) var(--space-4);
    margin-bottom: var(--space-2);
    background: rgba(234, 242, 255, 0.03);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.leaderboard__item:hover {
    background: rgba(234, 242, 255, 0.05);
    transform: translateX(4px);
}

.leaderboard__item--gold {
    background: linear-gradient(135deg, rgba(244, 211, 126, 0.1) 0%, rgba(255, 215, 0, 0.05) 100%);
}

.leaderboard__item--silver {
    background: linear-gradient(135deg, rgba(192, 192, 192, 0.1) 0%, rgba(169, 169, 169, 0.05) 100%);
}

.leaderboard__item--bronze {
    background: linear-gradient(135deg, rgba(205, 127, 50, 0.1) 0%, rgba(184, 115, 51, 0.05) 100%);
}

.leaderboard__item .rank {
    font-weight: bold;
    width: 30px;
    text-align: center;
    color: var(--gold);
}

.leaderboard__item .avatar {
    font-size: 1.5rem;
    margin: 0 var(--space-3);
}

.leaderboard__item .name {
    flex: 1;
    font-weight: 600;
}

.leaderboard__item .score {
    font-weight: bold;
    font-size: 1.1rem;
    color: var(--accent);
    margin-right: var(--space-3);
}

.leaderboard__item .badge {
    background: linear-gradient(135deg, var(--accent), var(--gold));
    color: var(--bg-1);
    padding: var(--space-1) var(--space-2);
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 600;
}

.leaderboard__cta {
    text-align: center;
    padding-top: var(--space-4);
    border-top: 1px solid rgba(234, 242, 255, 0.1);
}

.leaderboard__cta p {
    margin-bottom: var(--space-3);
    opacity: 0.8;
}

/* ===== Certificate Section ===== */
.certificate {
    padding: var(--space-8) var(--space-4);
    text-align: center;
    position: relative;
    z-index: 2;
}

.certificate__preview {
    max-width: 600px;
    margin: var(--space-7) auto 0;
    position: relative;
}

.certificate__frame {
    padding: var(--space-6);
    position: relative;
    overflow: hidden;
}

.certificate__frame::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent 30%, rgba(244, 211, 126, 0.3) 50%, transparent 70%);
    animation: shimmer 3s ease-in-out infinite;
    pointer-events: none;
}

@keyframes shimmer {
    0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
    100% { transform: translateX(100%) translateY(100%) rotate(45deg); }
}

.certificate__content {
    background: linear-gradient(135deg, rgba(244, 211, 126, 0.1) 0%, rgba(100, 212, 255, 0.05) 100%);
    padding: var(--space-7) var(--space-6);
    border: 2px solid var(--gold);
    border-radius: 12px;
    position: relative;
}

.certificate__seal {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    width: 60px;
    height: 60px;
    background: radial-gradient(circle, var(--gold) 0%, #d4af37 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-1);
    font-weight: bold;
    font-size: 0.7rem;
}

.certificate__title {
    font-size: 1.5rem;
    margin-bottom: var(--space-4);
    color: var(--gold);
}

.certificate__name {
    font-size: 1.8rem;
    margin: var(--space-4) 0;
    color: var(--accent);
    border-bottom: 2px solid rgba(100, 212, 255, 0.3);
    padding-bottom: var(--space-2);
}

.certificate__score {
    font-size: 1.2rem;
    color: var(--ink);
    margin-bottom: var(--space-4);
}

.certificate__signature {
    text-align: right;
    font-style: italic;
    opacity: 0.8;
    margin-top: var(--space-5);
}

/* ===== Pricing Section ===== */
.pricing {
    padding: var(--space-8) var(--space-4);
    position: relative;
    z-index: 2;
}

.pricing__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-6);
    margin-top: var(--space-7);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.pricing__card {
    padding: var(--space-7) var(--space-6);
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
}

.pricing__card:hover {
    transform: translateY(-5px);
    box-shadow: 0 25px 80px rgba(100, 212, 255, 0.15);
}

.pricing__badge {
    background: linear-gradient(135deg, var(--accent), #4facfe);
    color: var(--bg-1);
    padding: var(--space-2) var(--space-4);
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    display: inline-block;
    margin-bottom: var(--space-4);
}

.pricing__title {
    margin-bottom: var(--space-3);
}

.pricing__price {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--accent);
    margin-bottom: var(--space-4);
    line-height: 1.2;
}

.pricing__price small {
    display: block;
    font-size: 0.4em;
    font-weight: 600;
    color: rgba(234, 242, 255, 0.8);
    margin-top: var(--space-2);
}

.pricing__features {
    list-style: none;
    margin-bottom: var(--space-6);
}

.pricing__features li {
    padding: var(--space-2) 0;
    opacity: 0.9;
}

.pricing__features li::before {
    content: '✓';
    color: var(--accent);
    font-weight: bold;
    margin-right: var(--space-2);
}

.pricing__card--featured {
    border: 2px solid var(--accent);
    transform: scale(1.05);
}

/* ===== Testimonials Section ===== */
.testimonials {
    padding: var(--space-8) var(--space-4);
    position: relative;
    z-index: 2;
}

.testimonials__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-5);
    margin-top: var(--space-7);
}

.testimonial {
    padding: var(--space-6);
    position: relative;
    overflow: hidden;
}

.testimonial::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

.testimonial__quote {
    font-style: italic;
    font-size: 1.1rem;
    margin-bottom: var(--space-4);
    line-height: 1.7;
}

.testimonial__author {
    font-weight: 600;
    color: var(--accent);
}

/* ===== Final CTA Section ===== */
.final-cta {
    padding: var(--space-8) var(--space-4);
    position: relative;
    z-index: 2;
}

.final-cta__content {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--space-8) var(--space-6);
    text-align: center;
}

.final-cta__title {
    margin-bottom: var(--space-4);
    background: linear-gradient(135deg, var(--ink) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.final-cta__subtitle {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: var(--space-7);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.final-cta__buttons {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
    margin-bottom: var(--space-7);
    flex-wrap: wrap;
}

.btn--large {
    padding: var(--space-5) var(--space-7);
    font-size: 1.1rem;
}

.final-cta__badges {
    display: flex;
    justify-content: center;
    gap: var(--space-5);
    flex-wrap: wrap;
}

.badge {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    opacity: 0.8;
}

.badge__icon {
    font-size: 1.2rem;
}

.badge__text {
    font-size: 0.9rem;
    font-weight: 600;
}

/* ===== Footer ===== */
.footer {
    padding: var(--space-7) var(--space-4);
    border-top: 1px solid rgba(234, 242, 255, 0.1);
    text-align: center;
    position: relative;
    z-index: 2;
}

.footer__links {
    display: flex;
    justify-content: center;
    gap: var(--space-6);
    margin-bottom: var(--space-5);
    flex-wrap: wrap;
}

.footer__link {
    color: var(--ink);
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.footer__link:hover {
    opacity: 1;
    color: var(--accent);
}

.footer__disclaimer {
    font-size: 0.8rem;
    opacity: 0.6;
    max-width: 600px;
    margin: 0 auto;
}

/* ===== Mobile CTA Bar ===== */
.mobile-cta {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--space-3);
    background: rgba(7, 11, 26, 0.95);
    backdrop-filter: blur(20px);
    border-top: 1px solid rgba(234, 242, 255, 0.1);
    z-index: 100;
    display: none;
}

.mobile-cta__buttons {
    display: flex;
    gap: var(--space-3);
    max-width: 400px;
    margin: 0 auto;
}

.mobile-cta .btn {
    flex: 1;
    padding: var(--space-3) var(--space-4);
}

/* ===== Sticky Glass Navbar ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 200;
    padding: var(--space-3) var(--space-4);
    background: rgba(7, 11, 26, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(234, 242, 255, 0.1);
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(7, 11, 26, 0.95);
    backdrop-filter: blur(30px);
}

.navbar__container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.navbar__brand {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--ink);
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    transition: color 0.3s ease;
}

.navbar__brand:hover {
    color: var(--accent);
}

.navbar__right {
    display: flex;
    align-items: center;
    gap: 32px;
}

.navbar__logo {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 10px var(--accent);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

.navbar__menu {
    display: flex;
    align-items: center;
    gap: var(--space-5);
    list-style: none;
}

.navbar__menu-item {
    position: relative;
}

.navbar__menu-link {
    color: var(--ink);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    opacity: 0.8;
    transition: all 0.3s ease;
    position: relative;
}

.navbar__menu-link:hover,
.navbar__menu-link.active {
    opacity: 1;
    color: var(--accent);
}

.navbar__menu-link.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--accent);
    border-radius: 2px;
}

.navbar__cta {
    padding: var(--space-2) var(--space-4);
    background: linear-gradient(135deg, var(--accent) 0%, #4facfe 100%);
    color: var(--bg-1);
    border: none;
    border-radius: 8px;
    font-family: var(--font-stack);
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 16px rgba(100, 212, 255, 0.3);
}

.navbar__cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(100, 212, 255, 0.4);
}

.navbar__toggle {
    display: none;
    background: none;
    border: none;
    color: var(--ink);
    font-size: 1.5rem;
    cursor: pointer;
}

/* ===== Authentication Styles ===== */
.navbar__auth {
    display: flex !important;
    align-items: center;
    gap: 16px;
}

.auth-button {
    padding: 10px 20px !important;
    border: none !important;
    border-radius: 12px;
    font-family: var(--font-stack);
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    min-width: 80px;
    position: relative;
    z-index: 10;
}

.auth-button--primary {
    background: linear-gradient(135deg, var(--accent) 0%, #4FACFE 100%);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.auth-button--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(100, 212, 255, 0.3);
}

/* User Menu */
.user-menu {
    position: relative;
    display: flex;
    align-items: center;
}

.user-menu.hidden {
    display: none;
}

.user-menu-trigger {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    display: flex;
    align-items: center;
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent) 0%, var(--gold) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.user-avatar:hover {
    transform: scale(1.1);
    box-shadow: 0 0 20px rgba(100, 212, 255, 0.5);
}

.user-avatar span {
    color: white;
    font-weight: bold;
    font-size: 14px;
}

.user-menu-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    min-width: 240px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.15) 0%, rgba(234, 242, 255, 0.1) 100%);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 16px;
    backdrop-filter: blur(20px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    padding: 16px 0;
    margin-top: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px) scale(0.95);
    transition: all 0.3s ease;
    z-index: 1000;
}

.user-menu.active .user-menu-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.user-info {
    padding: 0 16px 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 8px;
}

.user-name {
    color: var(--ink);
    font-weight: 600;
    font-size: 16px;
    margin-bottom: 4px;
}

.user-email {
    color: rgba(234, 242, 255, 0.7);
    font-size: 14px;
}

.user-menu-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--ink);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
}

.user-menu-item:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--accent);
}

.menu-icon {
    font-size: 16px;
    width: 20px;
    text-align: center;
}

.user-menu-divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
    margin: 8px 0;
}

.logout-button:hover {
    color: #EF4444 !important;
}

/* ===== Scroll Margin for Sections ===== */
section[id] {
    scroll-margin-top: 100px;
}

/* ===== Responsive Design ===== */
@media (max-width: 768px) {
    .hero {
        min-height: 70vh;
        padding-top: 60px;
    }
    
    .hero__cta {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .character {
        display: none;
    }
    
    .mobile-cta {
        display: block;
    }
    
    .steps {
        grid-template-columns: 1fr;
    }
    
    .mentors__grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
    
    .pricing__grid {
        grid-template-columns: 1fr;
        max-width: 400px;
    }
    
    .navbar__right {
        gap: 16px;
    }
    
    .navbar__menu {
        position: fixed;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background: rgba(7, 11, 26, 0.98);
        backdrop-filter: blur(30px);
        border-top: 1px solid rgba(234, 242, 255, 0.1);
        padding: var(--space-6) var(--space-4);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        gap: var(--space-4);
        align-items: stretch;
    }
    
    .navbar__menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .navbar__menu-item {
        width: 100%;
        text-align: center;
    }
    
    .navbar__menu-link {
        display: block;
        padding: var(--space-3);
        font-size: 1rem;
    }
    
    .navbar__cta {
        margin-top: var(--space-4);
        text-align: center;
        display: block;
        padding: var(--space-4);
    }
    
    .navbar__toggle {
        display: block;
    }
    
    .auth-button {
        padding: 8px 16px;
        font-size: 13px;
        min-width: 70px;
    }
    
    .user-avatar {
        width: 36px;
        height: 36px;
    }
    
    .user-avatar span {
        font-size: 12px;
    }
    
    .user-menu-dropdown {
        min-width: 200px;
        right: -20px;
    }
}

@media (min-width: 1440px) {
    .container {
        max-width: 1400px;
    }
    
    .hero__content {
        max-width: 1000px;
    }
}

/* ===== Why IQ Section ===== */
.why-iq {
    padding: var(--section-padding);
    background: linear-gradient(135deg, rgba(7, 11, 26, 0.8) 0%, rgba(14, 26, 58, 0.6) 100%);
    position: relative;
}

.why-iq::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 2px;
    background: linear-gradient(135deg, var(--accent), var(--gold));
    border-radius: 1px;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-7);
    margin-top: var(--space-9);
}

.benefit {
    text-align: center;
    padding: var(--space-6);
    transition: transform 0.3s ease;
}

.benefit:hover {
    transform: translateY(-8px);
}

.benefit__icon {
    font-size: 3rem;
    margin-bottom: var(--space-4);
    display: block;
}

.benefit__title {
    font-size: 1.4rem;
    margin-bottom: var(--space-3);
    color: var(--gold);
}

.benefit__description {
    opacity: 0.9;
    line-height: 1.6;
}

/* ===== Success Stories Section ===== */
.success-stories {
    padding: var(--section-padding);
    background: linear-gradient(135deg, rgba(14, 26, 58, 0.8) 0%, rgba(7, 11, 26, 0.6) 100%);
    position: relative;
}

.success-stories::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 2px;
    background: linear-gradient(135deg, var(--gold), var(--accent));
    border-radius: 1px;
}

.stories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-7);
    margin: var(--space-9) 0;
}

.story {
    padding: var(--space-6);
    transition: transform 0.3s ease;
}

.story:hover {
    transform: translateY(-4px);
}

.story__quote {
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: var(--space-5);
    font-style: italic;
    color: rgba(234, 242, 255, 0.95);
    position: relative;
}

.story__quote::before {
    content: '"';
    font-size: 3rem;
    color: var(--accent);
    position: absolute;
    top: -10px;
    left: -15px;
    line-height: 1;
}

.story__author {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.story__avatar {
    font-size: 2.5rem;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--gold));
    display: flex;
    align-items: center;
    justify-content: center;
}

.story__name {
    font-weight: 600;
    color: var(--gold);
    margin-bottom: var(--space-1);
}

.story__title {
    font-size: 0.9rem;
    opacity: 0.8;
}

.section__cta {
    text-align: center;
    margin-top: var(--space-7);
    padding: var(--space-6);
    border-radius: 16px;
    background: linear-gradient(135deg, rgba(100, 212, 255, 0.1) 0%, rgba(244, 211, 126, 0.1) 100%);
    border: 1px solid rgba(100, 212, 255, 0.2);
}

.cta__text {
    font-size: 1.2rem;
    margin-bottom: var(--space-4);
    color: var(--accent);
}

/* ===== Certificate Preview Section ===== */
.certificate-preview {
    padding: var(--section-padding);
    background: linear-gradient(135deg, rgba(7, 11, 26, 0.9) 0%, rgba(14, 26, 58, 0.7) 100%);
    position: relative;
}

.certificate-preview::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 2px;
    background: linear-gradient(135deg, var(--accent), var(--gold));
    border-radius: 1px;
}

.certificate-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-9);
    align-items: center;
    margin-top: var(--space-9);
}

.certificate-mockup {
    perspective: 1000px;
}

.certificate {
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.15) 0%, 
        rgba(255, 255, 255, 0.08) 50%,
        rgba(255, 255, 255, 0.12) 100%);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-top: 1px solid rgba(255, 255, 255, 0.5);
    border-left: 1px solid rgba(255, 255, 255, 0.4);
    color: rgba(255, 255, 255, 0.95);
    padding: var(--space-5);
    border-radius: 20px;
    box-shadow: 
        0 25px 50px rgba(0, 0, 0, 0.15),
        0 10px 25px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.4),
        inset 0 -1px 0 rgba(255, 255, 255, 0.1);
    transform: rotateY(-5deg) rotateX(2deg);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.certificate::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(100, 212, 255, 0.08) 0%, 
        rgba(244, 211, 126, 0.05) 50%,
        rgba(100, 212, 255, 0.06) 100%);
    border-radius: 20px;
    z-index: -1;
}

.certificate:hover {
    transform: rotateY(0deg) rotateX(0deg) scale(1.02);
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.2) 0%, 
        rgba(255, 255, 255, 0.12) 50%,
        rgba(255, 255, 255, 0.18) 100%);
    border-color: rgba(255, 255, 255, 0.4);
    box-shadow: 
        0 35px 70px rgba(0, 0, 0, 0.2),
        0 15px 35px rgba(0, 0, 0, 0.15),
        0 0 30px rgba(100, 212, 255, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.5),
        inset 0 -1px 0 rgba(255, 255, 255, 0.15);
}

.certificate__header {
    text-align: center;
    margin-bottom: var(--space-3);
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    padding-bottom: var(--space-2);
}

.certificate__logo {
    font-size: 2rem;
    margin-bottom: var(--space-1);
}

.certificate__title {
    font-size: 1.6rem;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: var(--space-1);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.certificate__subtitle {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
}

.certificate__content {
    text-align: center;
    margin-bottom: var(--space-3);
}

.certificate__awarded {
    font-size: 0.8rem;
    margin-bottom: var(--space-1);
    color: rgba(255, 255, 255, 0.85);
}

.certificate__name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gold);
    margin-bottom: var(--space-1);
    text-decoration: underline;
    text-decoration-color: rgba(244, 211, 126, 0.6);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.certificate__achievement {
    margin-bottom: var(--space-2);
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.4;
    font-size: 0.8rem;
}

.certificate__score {
    margin-bottom: var(--space-2);
}

.genius__types {
    margin-bottom: var(--space-2);
}

.genius-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-1);
    margin: var(--space-1) 0;
}

.genius-type {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--space-1);
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.genius-icon {
    font-size: 1rem;
    margin-bottom: var(--space-1);
}

.genius-label {
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--space-1);
}

.genius-score {
    font-weight: 700;
    color: var(--accent);
    font-size: 0.8rem;
}

.score-value {
    font-size: 3rem;
    font-weight: 900;
    color: var(--accent);
    display: block;
    line-height: 0.7;
    text-shadow: 0 2px 8px rgba(100, 212, 255, 0.3);
}

.score-classification {
    font-size: 1rem;
    color: var(--gold);
    font-weight: 600;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.certificate__details {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--space-2);
}

.detail-item {
    text-align: left;
}

.detail-label {
    font-weight: 600;
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.8rem;
}

.detail-value {
    color: rgba(255, 255, 255, 0.7);
    font-family: monospace;
    font-size: 0.8rem;
}

.certificate__footer {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}

.certificate__signature {
    text-align: center;
}

.signature-line {
    width: 150px;
    height: 2px;
    background: rgba(255, 255, 255, 0.6);
    margin-bottom: var(--space-2);
}

.signature-title {
    font-weight: 600;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--space-1);
}

.signature-subtitle {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
}

.certificate__seal {
    position: relative;
}

.seal {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--gold) 0%, rgba(244, 211, 126, 0.8) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 
        0 8px 16px rgba(0, 0, 0, 0.2),
        inset 0 2px 4px rgba(255, 255, 255, 0.3);
    position: relative;
    backdrop-filter: blur(10px);
}

.seal::before {
    content: '';
    position: absolute;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.4);
}

.seal-inner {
    text-align: center;
    color: rgba(7, 11, 26, 0.9);
    text-shadow: 0 1px 2px rgba(255, 255, 255, 0.3);
}

.seal-text {
    font-size: 0.7rem;
    font-weight: 700;
}

.seal-year {
    font-size: 0.8rem;
    font-weight: 600;
}

.certificate-features {
    padding: var(--space-6);
}

.features__title {
    font-size: 1.8rem;
    margin-bottom: var(--space-5);
    color: var(--gold);
}

.features__list {
    list-style: none;
    margin-bottom: var(--space-6);
}

.feature-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-3);
    padding: var(--space-3);
    border-radius: 8px;
    background: rgba(100, 212, 255, 0.05);
    border: 1px solid rgba(100, 212, 255, 0.1);
    transition: all 0.3s ease;
}

.feature-item:hover {
    background: rgba(100, 212, 255, 0.1);
    border-color: rgba(100, 212, 255, 0.2);
    transform: translateX(8px);
}

.feature-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.feature-text {
    line-height: 1.5;
}

.certificate-cta {
    text-align: center;
    padding: var(--space-5);
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(244, 211, 126, 0.1) 0%, rgba(100, 212, 255, 0.1) 100%);
    border: 1px solid rgba(244, 211, 126, 0.2);
}

.cta-note {
    font-size: 1.1rem;
    margin-bottom: var(--space-4);
    color: var(--gold);
}

/* ===== Mobile Responsiveness for New Sections ===== */
@media (max-width: 768px) {
    :root {
        --section-padding: var(--space-7) 0;
        --container-padding: 0 var(--space-4);
    }
    
    .section__title {
        margin-bottom: var(--space-6);
        font-size: clamp(1.8rem, 6vw, 2.5rem);
    }
    
    .section__description {
        margin-bottom: var(--space-6);
        font-size: clamp(1rem, 4vw, 1.125rem);
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
        gap: var(--space-5);
        margin-top: var(--space-7);
    }
    
    .stories-grid {
        grid-template-columns: 1fr;
        gap: var(--space-5);
        margin: var(--space-7) 0;
    }
    
    .certificate-showcase {
        grid-template-columns: 1fr;
        gap: var(--space-7);
        margin-top: var(--space-7);
    }
    
    .certificate {
        transform: none;
        padding: var(--space-5);
    }
    
    .certificate__title {
        font-size: 1.6rem;
    }
    
    .certificate__name {
        font-size: 1.8rem;
    }
    
    .score-value {
        font-size: 3rem;
    }
    
    .certificate__details {
        flex-direction: column;
        gap: var(--space-2);
    }
    
    .certificate__footer {
        flex-direction: column;
        gap: var(--space-4);
        align-items: center;
    }
    
    .btn {
        padding: var(--space-3) var(--space-5);
        min-height: 48px;
    }
    
    .btn--large {
        padding: var(--space-4) var(--space-6);
        min-height: 54px;
        font-size: 1rem;
    }
}

/* ===== Focus States ===== */
.btn:focus,
.footer__link:focus,
.auth-button:focus {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* ===== Print Styles ===== */
@media print {
    .mobile-cta,
    .hero__bg,
    .starfield,
    .navbar {
        display: none;
    }
}

/* ===== Accessibility ===== */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}