/* ===== Переменные ===== */
:root {
    --pink-light: #fce4f2;
    --pink: #f8a4d1;
    --pink-dark: #e86aad;
    --blue-light: #e0f0ff;
    --blue: #9ec5f6;
    --blue-dark: #5a9bd5;
    --purple-light: #ede4fc;
    --purple: #c9a7eb;
    --purple-dark: #9b6fcd;
    --lavender: #e8dff5;
    --white: #ffffff;
    --text: #3a3348;
    --text-light: #6b6080;
    --gradient-main: linear-gradient(135deg, var(--pink) 0%, var(--purple) 50%, var(--blue) 100%);
    --gradient-soft: linear-gradient(135deg, var(--pink-light) 0%, var(--lavender) 50%, var(--blue-light) 100%);
    --shadow-sm: 0 2px 10px rgba(180, 140, 200, 0.15);
    --shadow-md: 0 8px 30px rgba(180, 140, 200, 0.2);
    --shadow-lg: 0 15px 50px rgba(180, 140, 200, 0.25);
    --radius: 16px;
    --radius-sm: 10px;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: 'Nunito', sans-serif;
    color: var(--text);
    background: var(--white);
    line-height: 1.7;
    overflow-x: hidden;
}

h1, h2, h3, h4 {
    font-family: 'Cormorant Garamond', serif;
    line-height: 1.2;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 100px 0;
}

.section-title {
    font-size: 2.6rem;
    text-align: center;
    margin-bottom: 16px;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-title.light {
    -webkit-text-fill-color: white;
    text-shadow: none;
}

.section-subtitle {
    text-align: center;
    color: var(--text-light);
    font-size: 1.1rem;
    margin-bottom: 50px;
}

.section-subtitle.light { color: rgba(255,255,255,0.85); }

.accent { color: var(--purple-dark); }

/* ===== Навигация ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 40px;
    background: rgba(255,255,255,0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(200,170,230,0.15);
    transition: all 0.3s ease;
}

.navbar.scrolled {
    padding: 10px 40px;
    box-shadow: var(--shadow-sm);
}

.nav-logo {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.6rem;
    font-weight: 700;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 32px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text);
    font-weight: 600;
    font-size: 0.95rem;
    transition: color 0.3s;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-main);
    transition: width 0.3s;
}

.nav-links a:hover::after { width: 100%; }
.nav-links a:hover { color: var(--purple-dark); }

.burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.burger span {
    width: 26px;
    height: 2.5px;
    background: var(--purple-dark);
    border-radius: 2px;
    transition: 0.3s;
}

/* ===== Герой ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
    background: var(--gradient-main);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(248,164,209,0.4) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 50%, rgba(158,197,246,0.4) 0%, transparent 60%),
        radial-gradient(ellipse at 50% 80%, rgba(201,167,235,0.3) 0%, transparent 50%);
}

.hero-particles {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.particle {
    position: absolute;
    border-radius: 50%;
    background: rgba(255,255,255,0.3);
    animation: float linear infinite;
}

@keyframes float {
    0% { transform: translateY(100vh) scale(0); opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { transform: translateY(-10vh) scale(1); opacity: 0; }
}

.hero-content {
    position: relative;
    z-index: 2;
    color: white;
}

.hero-subtitle {
    font-size: 1.2rem;
    font-weight: 300;
    letter-spacing: 4px;
    text-transform: uppercase;
    margin-bottom: 16px;
    opacity: 0.9;
}

.hero-title {
    font-size: 5.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    text-shadow: 0 4px 30px rgba(0,0,0,0.15);
}

.hero-tagline {
    font-size: 1.3rem;
    font-weight: 300;
    margin-bottom: 40px;
    opacity: 0.9;
}

.btn-primary {
    display: inline-block;
    padding: 14px 40px;
    background: rgba(255,255,255,0.25);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255,255,255,0.5);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-family: 'Nunito', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    letter-spacing: 1px;
}

.btn-primary:hover {
    background: white;
    color: var(--purple-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

/* Скролл-индикатор */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.mouse {
    width: 28px;
    height: 44px;
    border: 2px solid rgba(255,255,255,0.6);
    border-radius: 14px;
    display: flex;
    justify-content: center;
    padding-top: 8px;
}

.wheel {
    width: 4px;
    height: 10px;
    background: rgba(255,255,255,0.8);
    border-radius: 2px;
    animation: scroll-wheel 2s ease infinite;
}

@keyframes scroll-wheel {
    0% { transform: translateY(0); opacity: 1; }
    100% { transform: translateY(12px); opacity: 0; }
}

/* ===== Обо мне ===== */
.about {
    background: var(--gradient-soft);
}

.about-grid {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 60px;
    align-items: start;
    margin-top: 50px;
}

.photo-frame {
    position: relative;
    width: 280px;
    height: 340px;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    background: var(--gradient-main);
    display: flex;
    align-items: center;
    justify-content: center;
}

.photo-frame::before {
    content: '';
    position: absolute;
    inset: 6px;
    border: 2px solid rgba(255,255,255,0.4);
    border-radius: 12px;
    z-index: 1;
}

.photo-placeholder span {
    font-size: 5rem;
    filter: drop-shadow(0 4px 10px rgba(0,0,0,0.1));
}

.about-info h3 {
    font-size: 2rem;
    margin-bottom: 24px;
}

.about-details {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 30px;
}

.detail-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.detail-icon {
    font-size: 1.8rem;
    min-width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--white);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-sm);
}

.detail-item h4 {
    font-family: 'Nunito', sans-serif;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--purple-dark);
    margin-bottom: 2px;
}

.detail-item p {
    color: var(--text-light);
    font-size: 0.95rem;
}

.about-quote {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.3rem;
    font-style: italic;
    color: var(--purple-dark);
    border-left: 3px solid var(--purple);
    padding-left: 20px;
    margin-top: 20px;
}

/* ===== Экзерсис ===== */
.exercise {
    background: var(--gradient-main);
    position: relative;
}

.exercise::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 0% 0%, rgba(255,255,255,0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 100% 100%, rgba(255,255,255,0.1) 0%, transparent 50%);
    pointer-events: none;
}

.exercise .container { position: relative; z-index: 1; }

.exercise-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 60px;
}

.exercise-card {
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: var(--radius);
    padding: 30px 24px;
    color: white;
    transition: transform 0.3s, box-shadow 0.3s;
}

.exercise-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.card-number {
    font-family: 'Cormorant Garamond', serif;
    font-size: 3rem;
    font-weight: 700;
    opacity: 0.3;
    line-height: 1;
    margin-bottom: 8px;
}

.exercise-card h3 {
    font-size: 1.4rem;
    margin-bottom: 10px;
}

.exercise-card p {
    font-size: 0.92rem;
    opacity: 0.9;
    line-height: 1.6;
    margin-bottom: 14px;
}

.card-time {
    font-size: 0.85rem;
    opacity: 0.7;
    font-weight: 600;
}

/* Таймер */
.timer-section {
    text-align: center;
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: var(--radius);
    padding: 40px;
    color: white;
}

.timer-section h3 {
    font-size: 1.4rem;
    margin-bottom: 20px;
}

.timer-display {
    font-family: 'Cormorant Garamond', serif;
    font-size: 5rem;
    font-weight: 700;
    margin-bottom: 24px;
    letter-spacing: 4px;
    text-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.timer-controls {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 20px;
}

.btn-timer {
    padding: 12px 32px;
    border: 2px solid rgba(255,255,255,0.5);
    background: rgba(255,255,255,0.2);
    color: white;
    border-radius: 50px;
    font-family: 'Nunito', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-timer:hover {
    background: white;
    color: var(--purple-dark);
}

.btn-timer.secondary { background: transparent; }

.timer-presets {
    display: flex;
    gap: 12px;
    justify-content: center;
}

.preset-btn {
    padding: 8px 20px;
    border: 1px solid rgba(255,255,255,0.3);
    background: transparent;
    color: rgba(255,255,255,0.7);
    border-radius: 20px;
    font-family: 'Nunito', sans-serif;
    cursor: pointer;
    transition: all 0.3s;
}

.preset-btn:hover, .preset-btn.active {
    background: rgba(255,255,255,0.2);
    color: white;
}

/* ===== Советы ===== */
.tips { background: var(--gradient-soft); }

.tips-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 60px;
}

.tip-card {
    background: white;
    border-radius: var(--radius);
    padding: 30px 22px;
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s, box-shadow 0.3s;
    border-top: 3px solid transparent;
    background-image: linear-gradient(white, white), var(--gradient-main);
    background-origin: border-box;
    background-clip: padding-box, border-box;
}

.tip-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
}

.tip-icon {
    font-size: 2.2rem;
    margin-bottom: 14px;
}

.tip-card h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: var(--text);
}

.tip-card p {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.6;
}

/* Чек-лист */
.checklist {
    background: white;
    border-radius: var(--radius);
    padding: 40px;
    box-shadow: var(--shadow-md);
}

.checklist h3 {
    font-size: 1.5rem;
    margin-bottom: 24px;
    text-align: center;
}

.checklist-items {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
}

.check-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    background: var(--lavender);
    cursor: pointer;
    transition: all 0.3s;
}

.check-item:hover { background: var(--purple-light); }

.check-item input[type="checkbox"] {
    width: 20px;
    height: 20px;
    accent-color: var(--purple-dark);
    cursor: pointer;
}

.check-item span { font-size: 0.95rem; }

.check-item:has(input:checked) {
    opacity: 0.6;
    text-decoration: line-through;
}

/* ===== Контакты ===== */
.contact {
    background: white;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    margin-top: 50px;
}

.contact-item {
    display: flex;
    gap: 16px;
    margin-bottom: 28px;
    align-items: flex-start;
}

.contact-icon {
    font-size: 1.6rem;
    min-width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--lavender);
    border-radius: var(--radius-sm);
}

.contact-item h4 {
    font-family: 'Nunito', sans-serif;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--purple-dark);
    margin-bottom: 2px;
}

.contact-item p {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* Форма */
.contact-form {
    background: var(--gradient-soft);
    border-radius: var(--radius);
    padding: 40px;
    box-shadow: var(--shadow-md);
}

.contact-form h3 {
    font-size: 1.5rem;
    margin-bottom: 24px;
    text-align: center;
}

.form-group {
    margin-bottom: 18px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid rgba(200,170,230,0.2);
    border-radius: var(--radius-sm);
    font-family: 'Nunito', sans-serif;
    font-size: 0.95rem;
    background: rgba(255,255,255,0.8);
    color: var(--text);
    transition: border-color 0.3s;
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--purple);
}

.form-group textarea { resize: vertical; }

.contact-form .btn-primary {
    width: 100%;
    padding: 16px;
    font-size: 1.05rem;
    border: none;
    border-radius: var(--radius-sm);
}

/* ===== Футер ===== */
.footer {
    background: var(--gradient-main);
    color: white;
    text-align: center;
    padding: 40px 24px;
}

.footer-sub {
    opacity: 0.7;
    font-size: 0.9rem;
    margin-top: 8px;
}

/* ===== Адаптив ===== */
@media (max-width: 900px) {
    .nav-links { display: none; }
    .nav-links.open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        padding: 20px;
        gap: 16px;
        box-shadow: var(--shadow-md);
    }
    .burger { display: flex; }

    .hero-title { font-size: 3.5rem; }

    .about-grid {
        grid-template-columns: 1fr;
        justify-items: center;
        text-align: center;
    }

    .about-quote { border-left: none; padding-left: 0; text-align: center; }

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

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

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

    .checklist-items { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
    .hero-title { font-size: 2.8rem; }
    .section { padding: 60px 0; }
    .section-title { font-size: 2rem; }
    .exercise-grid { grid-template-columns: 1fr; }
    .tips-grid { grid-template-columns: 1fr; }
    .timer-display { font-size: 3.5rem; }
    .navbar { padding: 12px 20px; }
}