:root {
    --color-primary: #0a1628;
    --color-primary-light: #132238;
    --color-accent: #c9a227;
    --color-accent-hover: #b08d1e;
    --color-light: #f5f3ef;
    --color-white: #ffffff;
    --color-text: #2c2c2c;
    --color-muted: #6b7280;
    --color-border: rgba(0, 0, 0, 0.08);
    --radius: 16px;
    --radius-sm: 10px;
    --shadow: 0 10px 40px rgba(10, 22, 40, 0.1);
    --shadow-lg: 0 20px 60px rgba(10, 22, 40, 0.18);
    --transition: 0.25s ease;
    --container: 1200px;
    --container-narrow: 820px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--color-text);
    background: var(--color-white);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

img {
    max-width: 100%;
    height: auto;
}

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

h1, h2, h3, h4, p {
    margin: 0;
}

.container {
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}

.container--narrow {
    max-width: var(--container-narrow);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    font-size: 15px;
    font-weight: 600;
    border-radius: 50px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.btn--primary {
    background: var(--color-accent);
    color: var(--color-primary);
    border-color: var(--color-accent);
}

.btn--primary:hover {
    background: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
    transform: translateY(-2px);
}

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

.btn--outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--color-white);
}

.btn--light {
    background: var(--color-white);
    color: var(--color-primary);
    border-color: var(--color-white);
}

.btn--light:hover {
    background: var(--color-light);
    border-color: var(--color-light);
}

.btn--small {
    padding: 10px 20px;
    font-size: 14px;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 18px 0;
    transition: var(--transition);
}

.header--scrolled {
    background: rgba(10, 22, 40, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    padding: 12px 0;
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--color-white);
    font-weight: 700;
    font-size: 20px;
    letter-spacing: 1.5px;
}

.logo__mark {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--color-accent);
    color: var(--color-primary);
    border-radius: 50%;
    font-family: 'Playfair Display', serif;
    font-size: 20px;
    font-weight: 700;
}

.logo__text {
    font-family: 'Playfair Display', serif;
}

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

.nav__link {
    color: rgba(255, 255, 255, 0.85);
    font-size: 14px;
    font-weight: 500;
    position: relative;
    transition: var(--transition);
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: var(--transition);
}

.nav__link:hover {
    color: var(--color-white);
}

.nav__link:hover::after {
    width: 100%;
}

.burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.burger span {
    display: block;
    width: 26px;
    height: 2px;
    background: var(--color-white);
    transition: var(--transition);
}

/* Hero */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--color-primary);
    color: var(--color-white);
    overflow: hidden;
    padding: 140px 0 100px;
}

.hero__bg {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at 80% 20%, rgba(201, 162, 39, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 20% 80%, rgba(201, 162, 39, 0.08) 0%, transparent 40%),
        linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
}

.hero__bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.4;
}

.hero__inner {
    position: relative;
    z-index: 1;
}

.hero__content {
    max-width: 780px;
}

.hero__subtitle {
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 16px;
}

.hero__title {
    font-family: 'Playfair Display', serif;
    font-size: clamp(42px, 7vw, 72px);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 24px;
}

.hero__lead {
    font-size: clamp(18px, 2.5vw, 22px);
    font-weight: 300;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 36px;
    max-width: 620px;
}

.hero__price {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 16px;
    margin-bottom: 20px;
}

.hero__amount {
    font-size: clamp(36px, 5vw, 52px);
    font-weight: 700;
    color: var(--color-accent);
}

.hero__equiv {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.7);
}

.hero__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 40px;
}

.hero__badge {
    display: inline-block;
    padding: 8px 18px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 50px;
    font-size: 14px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 28px;
}

.hero__note {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.5);
    max-width: 560px;
}

/* Sections */
.section {
    padding: 100px 0;
}

.section--light {
    background: var(--color-white);
}

.section--dark {
    background: var(--color-primary);
    color: var(--color-white);
}

.section--price {
    background: var(--color-light);
}

.section--cta {
    background: var(--color-primary);
    color: var(--color-white);
    padding: 80px 0;
}

.section__label {
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 14px;
}

.section--dark .section__label,
.section--cta .section__label {
    color: var(--color-accent);
}

.section__title {
    font-family: 'Playfair Display', serif;
    font-size: clamp(32px, 4.5vw, 46px);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 16px;
    color: var(--color-primary);
}

.section--dark .section__title,
.section--cta .section__title {
    color: var(--color-white);
}

.section__title--small {
    font-size: clamp(26px, 3vw, 32px);
    margin-top: 60px;
    margin-bottom: 28px;
}

.section__subtitle {
    font-size: 18px;
    color: var(--color-muted);
    margin-bottom: 48px;
    max-width: 700px;
}

.section__note {
    font-size: 14px;
    color: var(--color-muted);
    margin-top: 32px;
    max-width: 800px;
}

/* Grid */
.grid {
    display: grid;
    gap: 24px;
}

.grid--3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid--4 {
    grid-template-columns: repeat(4, 1fr);
}

/* Cards */
.card {
    background: var(--color-white);
    border-radius: var(--radius);
    padding: 32px;
    box-shadow: var(--shadow);
    border: 1px solid var(--color-border);
    transition: var(--transition);
}

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

/* Features */
.feature {
    text-align: center;
}

.feature__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    background: rgba(201, 162, 39, 0.1);
    color: var(--color-accent);
    border-radius: 50%;
    margin-bottom: 20px;
}

.feature__icon svg {
    width: 30px;
    height: 30px;
}

.feature h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--color-primary);
}

.feature p {
    font-size: 15px;
    color: var(--color-muted);
}

/* Split */
.split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}

.split__item--accent {
    background: rgba(201, 162, 39, 0.12);
    border: 1px solid rgba(201, 162, 39, 0.25);
    border-radius: var(--radius);
    padding: 40px;
}

.split__text {
    font-size: 17px;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 28px;
    line-height: 1.7;
}

.list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.list--cross li {
    position: relative;
    padding-left: 32px;
    margin-bottom: 16px;
    color: rgba(255, 255, 255, 0.75);
    font-size: 16px;
}

.list--cross li::before {
    content: '×';
    position: absolute;
    left: 0;
    top: -2px;
    color: #ff6b6b;
    font-size: 24px;
    font-weight: 300;
    line-height: 1;
}

/* Steps */
.step {
    position: relative;
    padding: 28px;
    background: var(--color-white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--color-border);
    transition: var(--transition);
}

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

.step__num {
    display: inline-block;
    font-family: 'Playfair Display', serif;
    font-size: 42px;
    font-weight: 700;
    color: var(--color-accent);
    line-height: 1;
    margin-bottom: 16px;
}

.step h3 {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--color-primary);
}

.step p {
    font-size: 14px;
    color: var(--color-muted);
}

/* Timeline */
.timeline {
    position: relative;
    display: grid;
    gap: 24px;
}

.timeline__item {
    display: grid;
    grid-template-columns: 64px 1fr;
    gap: 24px;
    align-items: center;
}

.timeline__num {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    background: var(--color-primary);
    color: var(--color-accent);
    border-radius: 50%;
    font-family: 'Playfair Display', serif;
    font-size: 24px;
    font-weight: 700;
    box-shadow: var(--shadow);
}

.timeline__content h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--color-primary);
}

.timeline__content p {
    color: var(--color-muted);
}

/* Price */
.price-card {
    background: var(--color-white);
    border-radius: var(--radius);
    padding: 48px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-border);
}

.price-card__equiv {
    font-size: 18px;
    color: var(--color-muted);
    margin-bottom: 8px;
}

.price-card__note {
    font-size: 13px;
    color: var(--color-muted);
    margin-bottom: 36px;
}

.price-card__grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 40px;
}

.checklist {
    list-style: none;
    padding: 0;
    margin: 0;
}

.checklist li {
    position: relative;
    padding-left: 30px;
    margin-bottom: 12px;
    font-size: 15px;
    color: var(--color-text);
}

.checklist li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 6px;
    width: 18px;
    height: 18px;
    background: var(--color-accent);
    border-radius: 50%;
}

.checklist li::after {
    content: '';
    position: absolute;
    left: 5px;
    top: 9px;
    width: 5px;
    height: 9px;
    border: solid var(--color-primary);
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.price-card__extra {
    background: var(--color-light);
    border-radius: var(--radius-sm);
    padding: 28px;
}

.price-card__extra h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 14px;
    margin-top: 24px;
    color: var(--color-primary);
}

.price-card__extra h3:first-child {
    margin-top: 0;
}

.price-card__extra p {
    font-size: 14px;
    color: var(--color-muted);
}

.checklist--light li {
    color: var(--color-muted);
}

/* Addons */
.addons {
    margin-top: 24px;
}

.addon {
    text-align: center;
}

.addon h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--color-primary);
}

.addon__price {
    font-size: 28px;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: 4px;
}

.addon p {
    font-size: 13px;
    color: var(--color-muted);
}

/* Terms */
.terms {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.term {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.term__period {
    display: inline-block;
    align-self: flex-start;
    padding: 6px 14px;
    background: var(--color-primary);
    color: var(--color-accent);
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
}

.term h3 {
    font-size: 18px;
    font-weight: 500;
    color: var(--color-primary);
}

/* FAQ */
.faq {
    display: grid;
    gap: 16px;
}

.faq__item {
    background: var(--color-white);
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.faq__item summary {
    padding: 22px 28px;
    font-size: 17px;
    font-weight: 600;
    color: var(--color-primary);
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    transition: var(--transition);
}

.faq__item summary::-webkit-details-marker {
    display: none;
}

.faq__item summary::after {
    content: '+';
    font-size: 26px;
    font-weight: 300;
    color: var(--color-accent);
    line-height: 1;
    transition: var(--transition);
}

.faq__item[open] summary::after {
    transform: rotate(45deg);
}

.faq__item p {
    padding: 0 28px 24px;
    color: var(--color-muted);
    font-size: 15px;
}

/* CTA & Contacts */
.cta-card {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.cta-card__lead {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 40px;
    line-height: 1.7;
}

.contacts {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
}

.contact {
    display: inline-flex;
    align-items: center;
    gap: 16px;
    padding: 20px 28px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius);
    color: var(--color-white);
    transition: var(--transition);
    min-width: 260px;
}

.contact:hover {
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-3px);
}

.contact__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--color-accent);
    color: var(--color-primary);
    border-radius: 50%;
    flex-shrink: 0;
}

.contact__icon svg {
    width: 24px;
    height: 24px;
}

.contact__text {
    display: flex;
    flex-direction: column;
    text-align: left;
}

.contact__label {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 2px;
}

.contact__value {
    font-size: 16px;
    font-weight: 600;
}

/* Footer */
.footer {
    background: #070f1a;
    color: rgba(255, 255, 255, 0.6);
    padding: 40px 0;
}

.footer__inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    text-align: center;
}

.footer__brand {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--color-white);
}

.footer__copy {
    font-size: 13px;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-left: 6px;
}

.footer__note {
    font-size: 12px;
    max-width: 760px;
    line-height: 1.6;
}

/* Responsive */
@media (max-width: 1024px) {
    .grid--4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 900px) {
    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: min(320px, 80%);
        height: 100vh;
        background: var(--color-primary);
        flex-direction: column;
        align-items: flex-start;
        padding: 100px 32px 32px;
        gap: 24px;
        box-shadow: -10px 0 40px rgba(0, 0, 0, 0.3);
        transition: var(--transition);
    }

    .nav--open {
        right: 0;
    }

    .nav__link {
        font-size: 18px;
    }

    .burger {
        display: flex;
        z-index: 1001;
    }

    .header__cta {
        display: none;
    }

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

    .price-card__grid {
        grid-template-columns: 1fr;
    }

    .timeline__item {
        grid-template-columns: 48px 1fr;
        gap: 16px;
    }

    .timeline__num {
        width: 48px;
        height: 48px;
        font-size: 18px;
    }
}

@media (max-width: 768px) {
    .section {
        padding: 72px 0;
    }

    .grid--3,
    .grid--4 {
        grid-template-columns: 1fr;
    }

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

    .hero__actions {
        flex-direction: column;
        align-items: flex-start;
    }

    .btn {
        width: 100%;
        max-width: 320px;
    }

    .price-card {
        padding: 28px;
    }

    .split__item--accent {
        padding: 28px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 18px;
    }

    .hero {
        padding: 120px 0 80px;
    }

    .hero__price {
        flex-direction: column;
        align-items: flex-start;
        gap: 6px;
    }

    .contact {
        width: 100%;
        min-width: auto;
    }
}

/* Reveal animations */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}