/* Reset and base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #6C3CE1;
    --primary-light: #8B5CF6;
    --primary-dark: #4F29B0;
    --bg-dark: #0B0E1A;
    --bg-card: #141828;
    --text-white: #F8FAFC;
    --text-gray: #94A3B8;
    --border-color: #2A3346;
    --radius: 16px;
    --shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.6);
    --max-gradient: linear-gradient(135deg, #6C3CE1, #A78BFA);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-white);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

/* ============ ЛОГОТИП ============ */
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.logo__icon {
    font-size: 28px;
    display: inline-block;
    animation: logoFloat 3s ease-in-out infinite;
}

@keyframes logoFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-4px); }
}

.logo__text {
    color: var(--text-white);
}

.logo__text span {
    background: linear-gradient(135deg, var(--primary-light), #A78BFA);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Buttons */
.btn {
    display: inline-block;
    font-weight: 600;
    border: none;
    border-radius: 60px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
}

.btn--primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff;
    box-shadow: 0 4px 20px rgba(108, 60, 225, 0.3);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(108, 60, 225, 0.5);
}

.btn--outline {
    background: transparent;
    color: var(--text-white);
    border: 1.5px solid var(--border-color);
}

.btn--outline:hover {
    border-color: var(--primary-light);
    background: rgba(108, 60, 225, 0.1);
}

.btn--small {
    padding: 8px 20px;
    font-size: 14px;
}

.btn--large {
    padding: 16px 40px;
    font-size: 18px;
}

.btn--full {
    width: 100%;
    padding: 16px;
}

/* Header */
.header {
    padding: 20px 0;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    background: rgba(11, 14, 26, 0.85);
    backdrop-filter: blur(12px);
    z-index: 100;
}

.header__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav {
    display: none;
    gap: 32px;
}

.nav a {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-gray);
    transition: color 0.3s;
}

.nav a:hover {
    color: #fff;
}

@media (min-width: 768px) {
    .nav {
        display: flex;
    }
}

/* ============ HERO С АНИМАЦИЕЙ КРУЖКА ============ */
.hero {
    padding: 60px 0 80px;
    border-bottom: 1px solid var(--border-color);
}

.hero__grid {
    display: grid;
    gap: 48px;
    align-items: center;
}

.hero__title {
    font-size: 36px;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -1px;
    margin-bottom: 20px;
}

.gradient-text {
    background: linear-gradient(135deg, #A78BFA, #6EE7B7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__desc {
    font-size: 18px;
    color: var(--text-gray);
    max-width: 500px;
    margin-bottom: 32px;
}

.hero__desc strong {
    color: #fff;
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 20px;
    margin-bottom: 48px;
}

.hero__secure {
    font-size: 14px;
    color: var(--text-gray);
}

.hero__stats {
    display: flex;
    gap: 40px;
}

.stat__number {
    display: block;
    font-size: 28px;
    font-weight: 700;
    color: #fff;
}

.stat__label {
    font-size: 14px;
    color: var(--text-gray);
}

.hero__image {
    display: flex;
    justify-content: center;
}

/* КРУЖОК С ПРЫГАЮЩИМ ЭМОДЗИ */
.hero__circle-bg {
    width: 280px;
    height: 280px;
    background: radial-gradient(circle at 30% 30%, var(--primary), var(--primary-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 80px rgba(108, 60, 225, 0.25),
                inset 0 -4px 20px rgba(0, 0, 0, 0.3);
    position: relative;
    animation: circlePulse 3s ease-in-out infinite;
    transition: all 0.3s ease;
}

.hero__circle-bg::before {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-light), transparent, var(--primary));
    opacity: 0.3;
    animation: circleGlow 3s ease-in-out infinite;
}

.hero__emoji {
    font-size: 100px;
    display: inline-block;
    animation: emojiJump 2.5s ease-in-out infinite;
    position: relative;
    z-index: 2;
    filter: drop-shadow(0 8px 20px rgba(0, 0, 0, 0.3));
}

/* Анимация прыжка эмодзи */
@keyframes emojiJump {
    0%, 100% {
        transform: translateY(0) scale(1);
    }
    30% {
        transform: translateY(-20px) scale(1.05);
    }
    50% {
        transform: translateY(-8px) scale(0.98);
    }
    70% {
        transform: translateY(-16px) scale(1.03);
    }
}

/* Анимация пульсации круга */
@keyframes circlePulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 0 80px rgba(108, 60, 225, 0.25);
    }
    50% {
        transform: scale(1.02);
        box-shadow: 0 0 120px rgba(108, 60, 225, 0.4);
    }
}

/* Анимация свечения вокруг круга */
@keyframes circleGlow {
    0%, 100% {
        opacity: 0.3;
        transform: rotate(0deg) scale(1);
    }
    50% {
        opacity: 0.6;
        transform: rotate(180deg) scale(1.05);
    }
}

/* Эффект при наведении */
.hero__circle-bg:hover {
    transform: scale(1.04);
    box-shadow: 0 0 120px rgba(108, 60, 225, 0.5);
}

.hero__circle-bg:hover .hero__emoji {
    animation: emojiJump 1s ease-in-out infinite;
}

@media (min-width: 1024px) {
    .hero__grid {
        grid-template-columns: 1fr 1fr;
    }
    .hero__title {
        font-size: 48px;
    }
}

/* Section Header */
.section-header {
    text-align: center;
    margin-bottom: 56px;
}

.tag {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--primary-light);
    background: rgba(108, 60, 225, 0.12);
    padding: 4px 16px;
    border-radius: 30px;
    margin-bottom: 12px;
}

.section-header h2 {
    font-size: 32px;
    font-weight: 700;
    line-height: 1.2;
}

@media (min-width: 768px) {
    .section-header h2 {
        font-size: 40px;
    }
}

/* Services */
.services {
    padding: 80px 0;
    border-bottom: 1px solid var(--border-color);
}

.services__grid {
    display: grid;
    gap: 24px;
}

.service-card {
    background: var(--bg-card);
    padding: 32px;
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    transition: all 0.3s;
}

.service-card:hover {
    border-color: var(--primary-light);
    transform: translateY(-4px);
}

.service-card--highlight {
    border-color: var(--primary-light);
    position: relative;
}

.service-card__badge {
    position: absolute;
    top: -12px;
    right: 24px;
    background: var(--primary);
    font-size: 12px;
    font-weight: 600;
    padding: 4px 16px;
    border-radius: 30px;
}

.service-card__icon {
    font-size: 36px;
    margin-bottom: 16px;
}

.service-card h3 {
    font-size: 20px;
    margin-bottom: 12px;
}

.service-card p {
    color: var(--text-gray);
    font-size: 15px;
    margin-bottom: 16px;
}

.service-card__list li {
    color: var(--text-gray);
    font-size: 14px;
    padding: 4px 0;
}

@media (min-width: 768px) {
    .services__grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Advantages */
.advantages {
    padding: 80px 0;
    border-bottom: 1px solid var(--border-color);
}

.advantages__grid {
    display: grid;
    gap: 32px;
}

.advantage-item {
    background: var(--bg-card);
    padding: 32px;
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
}

.advantage-item__num {
    font-size: 40px;
    font-weight: 800;
    color: var(--primary-light);
    opacity: 0.4;
    margin-bottom: 8px;
}

.advantage-item h4 {
    font-size: 20px;
    margin-bottom: 8px;
}

.advantage-item p {
    color: var(--text-gray);
    font-size: 15px;
}

@media (min-width: 768px) {
    .advantages__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Prices */
.prices {
    padding: 80px 0;
    border-bottom: 1px solid var(--border-color);
}

.prices__grid {
    display: grid;
    gap: 24px;
    margin-bottom: 24px;
}

.price-card {
    background: var(--bg-card);
    padding: 32px;
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    text-align: center;
    transition: all 0.3s;
    position: relative;
}

.price-card--popular {
    border-color: var(--primary-light);
}

.price-card__badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    font-size: 12px;
    font-weight: 600;
    padding: 4px 16px;
    border-radius: 30px;
    white-space: nowrap;
}

.price-card h3 {
    font-size: 20px;
    margin-bottom: 12px;
}

.price-card__value {
    font-size: 18px;
    color: var(--text-gray);
    margin-bottom: 24px;
}

.price-card__value span {
    font-size: 32px;
    font-weight: 700;
    color: #fff;
}

.price-card ul {
    margin-bottom: 28px;
}

.price-card ul li {
    color: var(--text-gray);
    font-size: 15px;
    padding: 6px 0;
    border-bottom: 1px solid var(--border-color);
}

.price-card ul li:last-child {
    border: none;
}

.prices__footnote {
    text-align: center;
    color: var(--text-gray);
    font-size: 14px;
    max-width: 600px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .prices__grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Reviews */
.reviews {
    padding: 80px 0;
    border-bottom: 1px solid var(--border-color);
}

.reviews__grid {
    display: grid;
    gap: 24px;
    margin-bottom: 40px;
}

.review-card {
    background: var(--bg-card);
    padding: 24px;
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
}

.review-card__header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 12px;
}

.review-card__avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 18px;
}

.review-card__name {
    font-weight: 600;
}

.review-card__university {
    font-size: 13px;
    color: var(--text-gray);
}

.review-card__stars {
    color: #FBBF24;
    letter-spacing: 2px;
}

.review-card__text {
    color: var(--text-gray);
    font-size: 15px;
    font-style: italic;
}

@media (min-width: 768px) {
    .reviews__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.reviews__more {
    text-align: center;
}

/* Contact */
.contact {
    padding: 80px 0;
}

.contact__inner {
    display: grid;
    gap: 48px;
}

.contact__content h2 {
    font-size: 32px;
    font-weight: 700;
    margin: 12px 0 16px;
}

.contact__content p {
    color: var(--text-gray);
    font-size: 18px;
    margin-bottom: 28px;
}

.contact__socials {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.contact__link {
    padding: 12px 28px;
    border-radius: 60px;
    font-weight: 600;
    transition: opacity 0.3s;
}

.contact__link:hover {
    opacity: 0.85;
}

.contact__hint {
    font-size: 14px !important;
    margin-top: 16px;
    color: var(--text-gray);
}

/* MAX Card */
.contact__form-wrapper {
    background: var(--bg-card);
    padding: 48px 40px;
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
}

.max-card {
    text-align: center;
    max-width: 420px;
    width: 100%;
}

.max-card__icon {
    font-size: 56px;
    margin-bottom: 16px;
    display: block;
}

.max-card__title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-white);
}

.max-card__desc {
    color: var(--text-gray);
    font-size: 16px;
    margin-bottom: 28px;
    line-height: 1.5;
}

.max-card__btn {
    display: inline-block;
    background: var(--max-gradient);
    color: #fff;
    font-size: 18px;
    font-weight: 600;
    padding: 16px 40px;
    border-radius: 60px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(108, 60, 225, 0.35);
    width: 100%;
    max-width: 320px;
}

.max-card__btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(108, 60, 225, 0.55);
}

.max-card__footer {
    margin-top: 20px;
    font-size: 14px;
    color: var(--text-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.max-card__dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    background: #6C3CE1;
    border-radius: 50%;
    animation: pulse-dot 1.5s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.4;
        transform: scale(0.8);
    }
}

@media (min-width: 1024px) {
    .contact__inner {
        grid-template-columns: 1fr 1fr;
    }
}

/* Footer */
.footer {
    padding: 40px 0;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.footer__inner {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer p {
    color: var(--text-gray);
    font-size: 14px;
}

.footer__policy {
    color: var(--text-gray);
    font-size: 13px;
    text-decoration: underline;
}

@media (min-width: 768px) {
    .footer__inner {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
}

.footer .logo {
    font-size: 20px;
}

.footer .logo__icon {
    font-size: 24px;
}