/* ===========================
   VARIABLES & RESET
   — Палитра из фона заказчика:
   фиолетовый #7B2D8E → розовый #D64C8A → голубой #3CC8E8
   =========================== */
:root {
    /* Основные цвета из градиента заказчика */
    --color-violet: #7B2D8E;
    --color-violet-deep: #5A1A6E;
    --color-violet-dark: #3D0F4F;
    --color-pink: #D64C8A;
    --color-pink-light: #E87FAF;
    --color-cyan: #3CC8E8;
    --color-cyan-light: #6EDCF5;

    /* Фоны */
    --color-bg: #F7F4FA;
    --color-bg-alt: #EDE8F3;
    --color-bg-dark: var(--color-violet-dark);

    /* Текст */
    --color-text: #1A0E2E;
    --color-text-secondary: #4A3660;
    --color-white: #ffffff;

    /* Карточки */
    --color-card-bg: #ffffff;
    --color-card-border: rgba(123, 45, 142, 0.22);
    --color-card-shadow: rgba(123, 45, 142, 0.12);

    /* Акцент — кнопки CTA */
    --color-accent: var(--color-pink);
    --color-accent-hover: #C03A78;

    /* Утилиты */
    --font: 'Montserrat', 'Segoe UI', Arial, sans-serif;
    --max-width: 1366px;
    --header-height: 64px;
    --radius: 12px;
    --radius-lg: 20px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--color-violet);
    text-decoration: none;
    transition: color var(--transition);
}
a:hover {
    color: var(--color-pink);
}

ul { list-style: none; }
img { max-width: 100%; height: auto; }

/* ===========================
   BUTTONS
   =========================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 36px;
    border: none;
    border-radius: 8px;
    font-family: var(--font);
    font-weight: 700;
    font-size: 0.9rem;
    letter-spacing: 0.03em;
    cursor: pointer;
    transition: all var(--transition);
}

.btn--cta {
    background: linear-gradient(135deg, var(--color-pink), var(--color-violet));
    color: var(--color-white);
    box-shadow: 0 4px 20px rgba(214, 76, 138, 0.35);
}
.btn--cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(214, 76, 138, 0.5);
}

.btn--accent {
    background: var(--color-pink);
    color: var(--color-white);
    padding: 10px 24px;
    font-size: 0.85rem;
    border-radius: 8px;
}
.btn--accent:hover {
    background: var(--color-accent-hover);
    transform: translateY(-1px);
}

.btn--outline {
    background: transparent;
    color: var(--color-violet);
    border: 2px solid var(--color-violet);
}
.btn--outline:hover {
    background: var(--color-violet);
    color: var(--color-white);
}

.btn--lg {
    padding: 18px 48px;
    font-size: 1rem;
    border-radius: 10px;
}

.btn--white {
    background: var(--color-white);
    color: var(--color-violet);
    box-shadow: 0 2px 12px rgba(0,0,0,0.1);
}
.btn--white:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.15);
}

/* ===========================
   HEADER — burger for mobile
   =========================== */
.header__burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    z-index: 10;
}
.header__burger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: all var(--transition);
}

/* ===========================
   SECTIONS — стандартный скролл
   =========================== */
.section {
    width: 100%;
    padding: 80px 20px;
}

.section__content {
    max-width: var(--max-width);
    width: 100%;
    margin: 0 auto;
}

.section__title {
    font-size: clamp(1.6rem, 3.5vw, 2.4rem);
    font-weight: 800;
    letter-spacing: -0.01em;
    margin-bottom: 40px;
    text-align: center;
    color: var(--color-text);
}

.section__title span {
    color: var(--color-violet);
}

/* page-dots removed — стандартный скролл */

/* ===========================
   MODAL
   =========================== */
.modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
}
.modal.open {
    opacity: 1;
    visibility: visible;
}
.modal__overlay {
    position: absolute;
    inset: 0;
    background: rgba(61, 15, 79, 0.5);
    backdrop-filter: blur(6px);
}
.modal__content {
    position: relative;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 40px;
    max-width: 420px;
    width: 90%;
    text-align: center;
    transform: scale(0.92) translateY(20px);
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    box-shadow: 0 24px 80px rgba(61, 15, 79, 0.25);
}
.modal.open .modal__content {
    transform: scale(1) translateY(0);
}
.modal__close {
    position: absolute;
    top: 16px;
    right: 16px;
    background: none;
    border: none;
    color: var(--color-text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    line-height: 1;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all var(--transition);
}
.modal__close:hover {
    background: var(--color-bg-alt);
    color: var(--color-text);
}
.modal__content h3 {
    font-size: 1.3rem;
    margin-bottom: 24px;
    color: var(--color-text);
    font-weight: 700;
}
.modal__options {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.modal__option {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 20px;
    border-radius: var(--radius);
    background: var(--color-bg);
    border: 1px solid transparent;
    color: var(--color-text);
    font-weight: 500;
    font-size: 0.95rem;
    transition: all var(--transition);
}
.modal__option:hover {
    background: var(--color-bg-alt);
    border-color: var(--color-card-border);
    color: var(--color-violet);
    transform: translateX(4px);
}
.modal__option-icon {
    font-size: 1.3rem;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-violet), var(--color-pink));
    color: white;
    border-radius: 10px;
    flex-shrink: 0;
}

/* ===========================
   STICKY NAV — появляется при скролле
   =========================== */
.sticky-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-card-border);
    transform: translateY(-100%);
    transition: transform 0.3s ease;
}
.sticky-nav.visible {
    transform: translateY(0);
}
.sticky-nav__inner {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 24px;
}
.sticky-nav__logo {
    height: 36px;
    width: auto;
}
.sticky-nav__links {
    display: flex;
    gap: 28px;
}
.sticky-nav__links a {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    text-decoration: none;
    padding: 6px 0;
    border-bottom: 2px solid transparent;
    transition: all 0.2s ease;
}
.sticky-nav__links a:hover {
    color: var(--color-violet);
}
.sticky-nav__links a.active {
    color: var(--color-violet);
    border-bottom-color: var(--color-violet);
}
.sticky-nav__login {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--color-violet);
    text-decoration: none;
    padding: 8px 20px;
    border: 1.5px solid var(--color-violet);
    border-radius: 6px;
    transition: all 0.2s ease;
}
.sticky-nav__login:hover {
    background: var(--color-violet);
    color: var(--color-white);
}