/* CSS Variables */
:root {
    --brand-1: #2f518e;
    --brand-2: #153d76;
    --brand-3: #02afed;
    --ink: #0f172a;
    --muted: #475569;
    --panel: #ffffff;
    --line: #e5e7eb;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Border radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-normal: 250ms ease-in-out;
    --transition-slow: 350ms ease-in-out;
}

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

html {
    scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
    
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--ink);
    background-color: var(--panel);
    overflow-x: hidden;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Header Styles */
.header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(6px);
    border-bottom: 1px solid var(--line);
    transition: all var(--transition-normal);
}

.header.is-scrolled {
    background-color: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-md);
}

.header__container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
    padding: 0 var(--spacing-md);
    max-width: 1200px;
    margin: 0 auto;
}

/* Logo */
.header__logo {
    flex-shrink: 0;
}

.logo {
    display: flex;
    align-items: center;
    padding-left: 0;
    text-decoration: none;
    transition: opacity var(--transition-fast);
}

.logo:hover {
    opacity: 0.8;
}

.logo:focus {
    outline: 2px solid var(--brand-3);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

.logo img {
    height: clamp(104px, 16vw, 160px);
    width: auto;
    display: block;
    object-fit: contain;
}

/* Logo responsive sizing */
@media (max-width: 768px) {
    .logo img {
        height: 104px;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .logo img {
        height: 128px;
    }
}

@media (min-width: 1025px) {
    .logo img {
        height: 160px;
    }
}

/* Desktop Navigation */
.header__nav {
    display: none;
    margin-left: clamp(20px, 3vw, 32px);
    align-self: center;
    flex-shrink: 1;
}

.nav__list {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    list-style: none;
}

.nav__link {
    text-decoration: none;
    color: var(--ink);
    font-weight: 500;
    font-size: 1rem;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    position: relative;
}

.nav__link:hover {
    color: var(--brand-1);
}

.nav__link:focus {
    outline: 2px solid var(--brand-3);
    outline-offset: 2px;
}

.nav__link.active {
    color: var(--brand-1);
    background-color: rgba(47, 81, 142, 0.1);
}

/* CTA Button */
.header__cta {
    display: none;
    align-self: center;
    flex-shrink: 0;
    margin-left: clamp(16px, 2vw, 24px);
}

.cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xs) var(--spacing-md);
    background-color: var(--brand-1);
    color: var(--panel);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    border: none;
    cursor: pointer;
}

.cta-button:hover {
    background-color: var(--brand-2);
    transform: translateY(-1px);
}

.cta-button:focus {
    outline: 2px solid var(--brand-3);
    outline-offset: 2px;
}

.cta-button:active {
    transform: translateY(0);
}

/* Burger Button */
.burger-button {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--ink);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.burger-button:hover {
    background-color: rgba(47, 81, 142, 0.1);
    color: var(--brand-1);
}

.burger-button:focus {
    outline: 2px solid var(--brand-3);
    outline-offset: 2px;
}

.burger-button[aria-expanded="true"] {
    color: var(--brand-1);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    z-index: 10000 !important;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.mobile-menu.is-open {
    opacity: 1;
    visibility: visible;
}

.mobile-menu__overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.mobile-menu__panel {
    position: absolute !important;
    top: 0 !important;
    right: 0 !important;
    width: 100% !important;
    max-width: 320px !important;
    height: 100vh !important;
    background-color: #ffffff !important;
    box-shadow: var(--shadow-lg);
    transform: translateX(100%);
    transition: transform var(--transition-normal);
    display: flex;
    flex-direction: column;
    opacity: 1 !important;
    z-index: 10001 !important;
    border-left: 1px solid var(--line);
    overflow-y: auto;
}

.mobile-menu.is-open .mobile-menu__panel {
    transform: translateX(0) !important;
    background-color: #ffffff !important;
    opacity: 1 !important;
}

@media (prefers-reduced-motion: reduce) {
    .mobile-menu__panel {
        transform: translateX(0);
    }
}

.mobile-menu__header {
    display: flex;
    justify-content: flex-end;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--line);
}

.mobile-menu__close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--ink);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.mobile-menu__close:hover {
    background-color: rgba(47, 81, 142, 0.1);
    color: var(--brand-1);
}

.mobile-menu__close:focus {
    outline: 2px solid var(--brand-3);
    outline-offset: 2px;
}

.mobile-menu__nav {
    flex: 1;
    padding: var(--spacing-lg) 0;
    overflow-y: auto;
    min-height: 0;
}

.mobile-menu__list {
    list-style: none;
}

.mobile-menu__item {
    border-bottom: 1px solid var(--line);
}

.mobile-menu__link {
    display: block;
    padding: var(--spacing-md) var(--spacing-lg);
    text-decoration: none;
    color: var(--ink);
    font-weight: 500;
    font-size: 0.875rem;
    transition: all var(--transition-fast);
}

.mobile-menu__link:hover {
    color: var(--brand-1);
    background-color: rgba(47, 81, 142, 0.05);
}

.mobile-menu__link:focus {
    outline: 2px solid var(--brand-3);
    outline-offset: -2px;
}

.mobile-menu__link.active {
    color: var(--brand-1);
    background-color: rgba(47, 81, 142, 0.1);
}

.mobile-menu__cta {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--line);
}

.cta-button--mobile {
    width: 100%;
    justify-content: center;
    font-size: 0.875rem;
    padding: var(--spacing-sm) var(--spacing-md);
}

/* Hero Section with Gradient */
.hero {
    position: relative;
    min-height: 400px;
    overflow: hidden;
    display: flex;
    align-items: center;
    padding: 0px 0 0px 0;
}

.hero__gradient {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--brand-1) 0%, var(--brand-2) 50%, var(--brand-3) 100%);
}

.hero__container {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.hero__content {
    display: flex;
    flex-direction: column;
}

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

.hero__img {
    width: auto;
    height: auto;
    max-width: calc(75% - 50px);
    object-fit: contain;
    margin-left: 20px;
}


.hero__title {
    font-size: clamp(32px, 5vw, 56px);
    font-weight: 700;
    color: #ffffff;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    max-width: 720px;
    text-align: left;
}

.hero__subtitle {
    font-size: clamp(16px, 2.5vw, 20px);
    font-weight: 400;
    color: #ffffff;
    line-height: 1.5;
    max-width: 720px;
    text-align: left;
    margin: 0 0 var(--spacing-lg) 0;
}

.hero__cta {
    margin-top: calc(var(--spacing-lg) - 30px);
}

.hero__button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-xl);
    background-color: #ffffff;
    color: var(--brand-1);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    border: 2px solid #ffffff;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.hero__button:hover {
    background-color: transparent;
    color: #ffffff;
    border-color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

.hero__button:focus {
    outline: 2px solid #ffffff;
    outline-offset: 4px;
}

.hero__button:active {
    transform: translateY(0);
}

/* Hero responsive adjustments */
@media (max-width: 768px) {
    .hero {
        padding: 32px 0 32px 0;
        min-height: 300px;
    }
    
    .hero__container {
        padding: 0 24px;
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        text-align: center;
    }
    
    .hero__content {
        order: 2;
    }
    
    .hero__image {
        order: 1;
    }
    
    .hero__title {
        font-size: clamp(32px, 8vw, 36px);
        line-height: 1.2;
    }
    
    .hero__subtitle {
        font-size: clamp(16px, 4vw, 18px);
        line-height: 1.6;
    }
    
    .hero__button {
        font-size: 1rem;
        padding: var(--spacing-sm) var(--spacing-lg);
        width: 100%;
        max-width: 280px;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .hero__title {
        font-size: clamp(40px, 4vw, 44px);
    }
    
    .hero__subtitle {
        font-size: clamp(18px, 2vw, 20px);
    }
    
}

@media (min-width: 1025px) {
    .hero {
        padding: 64px 0 64px 0;
        min-height: 500px;
    }
    
    .hero__title {
        font-size: 56px;
    }
    
    .hero__subtitle {
        font-size: 20px;
    }
}

/* Sections */
.section {
    padding: var(--spacing-xl) 0;
    border-bottom: 1px solid var(--line);
}

.section__title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--ink);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.section__placeholder {
    text-align: center;
    color: var(--muted);
    font-style: italic;
}

/* ========================================
   SEGMENTS SECTION STYLES
   ======================================== */

/* Segments Section Container */
.segments-section {
    background-color: #f8f9fb;
    padding: var(--spacing-xl) 0;
}

/* Segment Tabs */
.segment-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    justify-content: center;
    margin: var(--spacing-xl) 0;
    padding: 0 var(--spacing-sm);
}

.segment-tab {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-md) var(--spacing-lg);
    background-color: var(--panel);
    border: 2px solid var(--line);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-normal);
    flex: 1;
    min-width: 140px;
    max-width: 200px;
    text-align: center;
    font-family: inherit;
    color: var(--muted);
}

.segment-tab__icon {
    color: var(--muted);
    transition: all var(--transition-normal);
}

.segment-tab__text {
    font-size: 0.95rem;
    font-weight: 600;
    transition: all var(--transition-normal);
}

.segment-tab__arrow {
    color: var(--muted);
    transition: all var(--transition-normal);
    margin-top: var(--spacing-xs);
}

.segment-tab:hover {
    border-color: var(--brand-3);
    background-color: rgba(2, 175, 237, 0.05);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.segment-tab:hover .segment-tab__icon,
.segment-tab:hover .segment-tab__text,
.segment-tab:hover .segment-tab__arrow {
    color: var(--brand-3);
}

.segment-tab.active {
    background-color: var(--brand-1);
    border-color: var(--brand-1);
    color: white;
    box-shadow: var(--shadow-md);
}

.segment-tab.active .segment-tab__icon,
.segment-tab.active .segment-tab__text,
.segment-tab.active .segment-tab__arrow {
    color: white;
}

.segment-tab[aria-expanded="true"] .segment-tab__arrow {
    transform: rotate(180deg);
}

.segment-tab:focus {
    outline: 2px solid var(--brand-3);
    outline-offset: 3px;
}

/* Segment Content Container */
.segment-content {
    margin-top: var(--spacing-xl);
    position: relative;
}

.segment-package {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.5s ease-out, opacity 0.4s ease-out;
}

.segment-package.active {
    max-height: 0;
    opacity: 0;
}

.segment-package.active.is-expanded {
    max-height: 5000px;
    opacity: 1;
    transition: max-height 0.7s ease-in, opacity 0.6s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Package Content */
.segment-package__header {
    background-color: var(--panel);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-sm);
}

.segment-package__title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--brand-1);
    margin-bottom: var(--spacing-sm);
}

.segment-package__intro {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--muted);
}

.segment-package__body {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

/* Package Sections */
.segment-package__section {
    background-color: var(--panel);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.segment-package__section-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-xs);
    border-bottom: 2px solid var(--line);
}

/* Package List Items */
.segment-package__list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.segment-package__item {
    display: flex;
    gap: var(--spacing-sm);
    align-items: flex-start;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.segment-package__item:hover {
    background-color: rgba(2, 175, 237, 0.05);
    transform: translateX(5px);
}

.segment-package__icon-wrapper {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--brand-3), var(--brand-1));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-sm);
}

.segment-package__icon {
    color: white;
    width: 20px;
    height: 20px;
}

.segment-package__content {
    flex: 1;
}

.segment-package__item-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 0;
}

.segment-package__item-text {
    font-size: 0.9rem;
    line-height: 1.4;
    color: var(--muted);
    margin-top: 2px;
}

/* Requirements List */
.segment-package__requirements {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.segment-package__requirement {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    padding: 10px var(--spacing-sm);
    background-color: rgba(47, 81, 142, 0.05);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--brand-3);
}

.segment-package__requirement-icon {
    flex-shrink: 0;
    color: var(--brand-3);
    margin-top: 2px;
    width: 18px;
    height: 18px;
}

.segment-package__requirement span {
    font-size: 0.95rem;
    line-height: 1.4;
    color: var(--ink);
}

/* Package Footer / CTA */
.segment-package__footer {
    margin-top: var(--spacing-md);
    display: flex;
    justify-content: center;
}

.segment-package__cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    background: linear-gradient(135deg, var(--brand-1), var(--brand-2));
    color: white;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-md);
    border: 2px solid transparent;
}

.segment-package__cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(47, 81, 142, 0.3);
    background: linear-gradient(135deg, var(--brand-2), var(--brand-1));
}

.segment-package__cta:focus {
    outline: 2px solid var(--brand-3);
    outline-offset: 4px;
}

.segment-package__cta:active {
    transform: translateY(-1px);
}

.segment-package__cta svg {
    transition: transform var(--transition-fast);
}

.segment-package__cta:hover svg {
    transform: translateX(4px);
}

/* Placeholder for Unfinished Segments */
.segment-package__placeholder {
    background-color: var(--panel);
    padding: calc(var(--spacing-xl) * 2);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 2px dashed var(--line);
}

.segment-package__placeholder-icon {
    color: var(--muted);
    margin-bottom: var(--spacing-lg);
    opacity: 0.6;
}

.segment-package__placeholder-title {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: var(--spacing-md);
}

.segment-package__placeholder-text {
    font-size: 1.05rem;
    line-height: 1.6;
    color: var(--muted);
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.segment-package__placeholder-link {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    background-color: var(--brand-3);
    color: white;
    text-decoration: none;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.segment-package__placeholder-link:hover {
    background-color: var(--brand-1);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Responsive Design for Segments */
@media (max-width: 768px) {
    .segment-tabs {
        gap: var(--spacing-xs);
        margin: var(--spacing-lg) 0;
    }
    
    .segment-tab {
        min-width: 110px;
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .segment-tab__icon {
        width: 20px;
        height: 20px;
    }
    
    .segment-tab__text {
        font-size: 0.85rem;
    }
    
    .segment-package__header {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .segment-package__title {
        font-size: 1.5rem;
    }
    
    .segment-package__intro {
        font-size: 1rem;
    }
    
    .segment-package__section {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .segment-package__section-title {
        font-size: 1.25rem;
    }
    
    .segment-package__item {
        flex-direction: column;
        gap: var(--spacing-xs);
        padding: var(--spacing-xs) var(--spacing-sm);
    }
    
    .segment-package__item-title {
        font-size: 0.95rem;
    }
    
    .segment-package__item-text {
        font-size: 0.85rem;
    }
    
    .segment-package__cta {
        font-size: 1rem;
        padding: var(--spacing-sm) var(--spacing-lg);
    }
    
    .segment-package__placeholder {
        padding: var(--spacing-lg);
        margin-top: var(--spacing-md);
        margin-bottom: var(--spacing-md);
    }
    
    .segment-package__icon-wrapper {
        width: 32px;
        height: 32px;
    }
    
    .segment-package__icon {
        width: 18px;
        height: 18px;
    }
}

@media (max-width: 480px) {
    .segment-tabs {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-xs);
    }
    
    .segment-tab {
        min-width: auto;
        padding: var(--spacing-sm);
    }
    
    .segment-tab__text {
        font-size: 0.8rem;
    }
}

/* Footer */
.footer {
    background-color: var(--ink);
    color: var(--panel);
    padding: var(--spacing-lg) 0;
    text-align: center;
}

/* Desktop Styles (≥992px) */
@media (min-width: 992px) {
    .header__nav {
        display: block;
        flex: 1;
        margin-left: var(--spacing-xl);
    }
    
    .header__cta {
        display: block;
        margin-left: var(--spacing-lg);
    }
    
    .burger-button {
        display: none;
    }
    
    .nav__list {
        justify-content: center;
    }
    
    .section__title {
        font-size: 2.5rem;
    }
}

/* Focus Management */
body.menu-open {
    overflow: hidden !important;
    position: fixed !important;
    width: 100% !important;
    height: 100vh !important;
}

body.menu-open::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 999;
    pointer-events: none;
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    .header {
        background-color: var(--panel);
        border-bottom: 2px solid var(--ink);
    }
    
    .nav__link:focus,
    .cta-button:focus,
    .burger-button:focus,
    .mobile-menu__close:focus,
    .mobile-menu__link:focus {
        outline: 3px solid var(--ink);
        outline-offset: 2px;
    }
}

/* Team Section Styles */
.team {
    margin-top: var(--spacing-xl);
}

.team__title {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

/* Partners Section Styles */
.partners {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--line);
}

.partners__title {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.partners__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
    align-items: center;
    justify-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.partners__item {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    background: var(--panel);
    border-radius: var(--radius-lg);
    border: 1px solid var(--line);
    transition: all var(--transition-normal);
}

.partners__item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--brand-3);
}

.partners__logo {
    width: 100%;
    max-width: 180px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.partners__logo img {
    width: 100%;
    height: auto;
    max-height: 80px;
    object-fit: contain;
    transition: all var(--transition-normal);
}

/* Partners Responsive */
@media (max-width: 768px) {
    .partners__grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: var(--spacing-lg);
    }
    
    .partners__item {
        padding: var(--spacing-md);
    }
    
    .partners__logo {
        max-width: 140px;
    }
    
    .partners__logo img {
        max-height: 60px;
    }
}

@media (max-width: 480px) {
    .partners__grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .partners__logo {
        max-width: 160px;
    }
}

.team__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
    align-items: stretch;
    grid-auto-columns: 1fr;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 var(--spacing-md);
}

.team__member {
    background-color: var(--panel);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    border: 1px solid var(--line);
    display: flex;
    flex-direction: column;
    height: 100%;
    width: 100%;
    min-width: 0;
    box-sizing: border-box;
}

.team__member:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--brand-3);
}

/* Linked team member styles */
.team__member--linked {
    text-decoration: none;
    color: inherit;
    display: block;
}

.team__member--linked:hover {
    text-decoration: none;
    color: inherit;
}

.team__member--linked:focus {
    outline: 2px solid var(--brand-3);
    outline-offset: 2px;
}

.team__photo {
    margin-bottom: var(--spacing-md);
}

.team__photo img {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    border: none;
    transition: all var(--transition-normal);
}

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

.team__name {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: var(--spacing-sm);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.team__position {
    font-size: 1rem;
    font-weight: 500;
    color: var(--brand-1);
    margin-bottom: var(--spacing-sm);
}

.team__description {
    font-size: 0.9rem;
    color: var(--muted);
    line-height: 1.5;
    text-align: left;
    flex-grow: 1;
}

/* Team Grid Responsive */
@media (min-width: 768px) {
    .team__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-xl);
    }
}

@media (min-width: 1024px) {
    .team__grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1200px) {
    .team__grid {
        grid-template-columns: repeat(4, minmax(240px, 1fr));
        gap: var(--spacing-lg);
        max-width: 1100px;
        margin-left: auto;
        margin-right: auto;
    }
}

/* Section Description */
.section__description {
    text-align: center;
    color: var(--muted);
    font-size: 1.1rem;
    line-height: 1.6;
    max-width: 600px;
    margin: 0 auto var(--spacing-lg);
}

/* About Description */
.about-description {
    max-width: 1200px;
    margin: 0 auto var(--spacing-lg);
    padding: 0 var(--spacing-md);
}

.about-description__logo {
    float: right;
    width: 150px;
    margin: 0 0 var(--spacing-md) var(--spacing-lg);
}

.about-description__logo img {
    width: 100%;
    height: auto;
    display: block;
}

.about-description p {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--ink);
    margin: 0 0 var(--spacing-md) 0;
    text-align: left;
}

.about-description p:last-of-type {
    margin-bottom: 0;
}

/* Clearfix */
.about-description::after {
    content: "";
    display: table;
    clear: both;
}

/* Мобільні пристрої */
@media (max-width: 768px) {
    .about-description__logo {
        float: none;
        width: 140px;
        margin: 0 auto var(--spacing-md);
        display: block;
    }
    
    .about-description p {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .about-description__logo {
        width: 120px;
    }
    
    .about-description p {
        font-size: 0.95rem;
    }
}

/* Contacts Section - Compact Design */
.contacts-section {
    padding: var(--spacing-lg) 0 var(--spacing-xl) 0;
    background: linear-gradient(180deg, transparent 0%, rgba(47, 81, 142, 0.02) 100%);
}

.contacts-compact {
    max-width: 900px;
    margin: 0 auto;
}

.contacts-compact__wrapper {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 50px;
    padding: var(--spacing-md) var(--spacing-xl);
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.contacts-compact__row {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.contacts-compact__item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    transition: all var(--transition-fast);
}

.contacts-compact__item:hover {
    transform: translateY(-1px);
}

.contacts-compact__icon {
    flex-shrink: 0;
    color: var(--brand-1);
    transition: color var(--transition-fast);
}

.contacts-compact__item:hover .contacts-compact__icon {
    color: var(--brand-3);
}

.contacts-compact__content {
    display: none;
}

.contacts-compact__label {
    display: none;
}

.contacts-compact__link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--ink);
    text-decoration: none;
    transition: color var(--transition-fast);
    white-space: nowrap;
}

.contacts-compact__link:hover {
    color: var(--brand-1);
}

.contacts-compact__socials {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding-left: var(--spacing-sm);
    border-left: 1px solid var(--line);
}

.contacts-compact__social-buttons {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: nowrap;
}

.contacts-compact__btn {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 6px 12px;
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 20px;
    text-decoration: none;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--ink);
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.contacts-compact__btn svg {
    flex-shrink: 0;
    transition: transform var(--transition-fast);
}

.contacts-compact__btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.contacts-compact__btn--instagram:hover {
    border-color: #E1306C;
    color: #E1306C;
    background: rgba(225, 48, 108, 0.08);
}

.contacts-compact__btn--instagram:hover svg {
    transform: scale(1.15);
}

.contacts-compact__btn--facebook:hover {
    border-color: #1877F2;
    color: #1877F2;
    background: rgba(24, 119, 242, 0.08);
}

.contacts-compact__btn--facebook:hover svg {
    transform: scale(1.15);
}

@media (max-width: 992px) {
    .contacts-compact__wrapper {
        flex-direction: column;
        align-items: stretch;
        border-radius: var(--radius-lg);
        padding: var(--spacing-md);
        gap: var(--spacing-md);
    }
    
    .contacts-compact__row {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .contacts-compact__socials {
        border-left: none;
        border-top: 1px solid var(--line);
        padding-left: 0;
        padding-top: var(--spacing-md);
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .contacts-compact__link {
        font-size: 0.85rem;
    }
    
    .contacts-compact__icon {
        width: 16px;
        height: 16px;
    }
    
    .contacts-compact__btn {
        font-size: 0.75rem;
        padding: 5px 10px;
    }
    
    .contacts-compact__btn svg {
        width: 14px;
        height: 14px;
    }
}

@media (max-width: 480px) {
    .contacts-compact {
        max-width: 100%;
    }
    
    .contacts-compact__wrapper {
        padding: var(--spacing-sm);
    }
    
    .contacts-compact__link {
        font-size: 0.8rem;
        word-break: break-word;
    }
    
    .contacts-compact__social-buttons {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .contacts-compact__btn span {
        display: none;
    }
    
    .contacts-compact__btn {
        padding: 8px;
        border-radius: 50%;
        width: 36px;
        height: 36px;
        justify-content: center;
    }
}

/* Cooperation Models Styles - New Design */
.section--models {
    background: linear-gradient(180deg, 
        rgba(47, 81, 142, 0.02) 0%, 
        rgba(255, 255, 255, 1) 50%,
        rgba(2, 175, 237, 0.02) 100%);
}

.cooperation-models {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
    max-width: 1100px;
    margin-left: auto;
    margin-right: auto;
    align-items: start;
}

.cooperation-card {
    background: var(--panel);
    border-radius: 16px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
    position: relative;
    border: 1px solid transparent;
    width: 100%;
    height: fit-content;
}

.cooperation-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 32px rgba(47, 81, 142, 0.15);
    border-color: var(--brand-3);
}

.cooperation-card--highlight {
    border-color: var(--brand-3);
    box-shadow: 0 4px 20px rgba(2, 175, 237, 0.12);
}

.cooperation-card--highlight:hover {
    box-shadow: 0 12px 40px rgba(2, 175, 237, 0.25);
}

.cooperation-card__ribbon {
    position: absolute;
    top: 20px;
    right: -8px;
    z-index: 10;
}

.cooperation-card__ribbon span {
    display: block;
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
    padding: 8px 20px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
    position: relative;
}

.cooperation-card__ribbon span::after {
    content: '';
    position: absolute;
    right: 0;
    bottom: -8px;
    width: 0;
    height: 0;
    border-left: 8px solid transparent;
    border-right: 0px solid transparent;
    border-top: 8px solid #047857;
}

.cooperation-card__header {
    width: 100%;
    padding: var(--spacing-xl) var(--spacing-lg) var(--spacing-md);
    text-align: center;
    background: transparent;
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.cooperation-card__header:hover {
    background-color: rgba(47, 81, 142, 0.03);
}

.cooperation-card__header:focus {
    outline: 2px solid var(--brand-3);
    outline-offset: -2px;
}

.cooperation-card__header[aria-expanded="true"] {
    background-color: rgba(47, 81, 142, 0.05);
}

.cooperation-card__header-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.cooperation-card__title-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
}

.cooperation-card__arrow {
    color: var(--muted);
    transition: all var(--transition-normal);
    margin-top: var(--spacing-xs);
}

.cooperation-card__header[aria-expanded="true"] .cooperation-card__arrow {
    transform: rotate(180deg);
}

.cooperation-card__icon {
    width: 80px;
    height: 80px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(47, 81, 142, 0.08), rgba(2, 175, 237, 0.08));
    border-radius: 20px;
    transition: all var(--transition-normal);
}

.cooperation-card__icon svg {
    color: var(--brand-1);
    transition: all var(--transition-normal);
}

.cooperation-card:hover .cooperation-card__icon {
    background: linear-gradient(135deg, rgba(47, 81, 142, 0.15), rgba(2, 175, 237, 0.15));
    transform: scale(1.05);
}

.cooperation-card:hover .cooperation-card__icon svg {
    color: var(--brand-3);
    transform: rotate(-5deg);
}

.cooperation-card__title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--ink);
    margin: 0;
    line-height: 1.2;
}

.cooperation-card__tagline {
    font-size: 0.95rem;
    color: var(--muted);
    font-weight: 500;
    margin: 0;
}

.cooperation-card__price {
    padding: var(--spacing-lg);
    text-align: center;
    background: linear-gradient(135deg, rgba(47, 81, 142, 0.03), rgba(2, 175, 237, 0.03));
    border-top: 1px solid rgba(47, 81, 142, 0.1);
    border-bottom: 1px solid rgba(47, 81, 142, 0.1);
}

.cooperation-card__price-label {
    display: block;
    font-size: 0.85rem;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.cooperation-card__price-value {
    display: block;
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--brand-1), var(--brand-3));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: var(--spacing-xs);
}

.cooperation-card__price-note {
    display: block;
    font-size: 0.9rem;
    color: var(--muted);
    font-weight: 500;
}

.cooperation-card__content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow) ease-out;
}

.cooperation-card__content.is-open {
    max-height: 2000px;
    transition: max-height var(--transition-slow) ease-in;
}

.cooperation-card__price {
    padding: var(--spacing-lg);
    text-align: center;
    background: linear-gradient(135deg, rgba(47, 81, 142, 0.03), rgba(2, 175, 237, 0.03));
    border-top: 1px solid rgba(47, 81, 142, 0.1);
    border-bottom: 1px solid rgba(47, 81, 142, 0.1);
}

.cooperation-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.cooperation-card__price {
    padding: var(--spacing-lg);
    text-align: center;
    background: linear-gradient(135deg, rgba(47, 81, 142, 0.03), rgba(2, 175, 237, 0.03));
    border-top: 1px solid rgba(47, 81, 142, 0.1);
    border-bottom: 1px solid rgba(47, 81, 142, 0.1);
}

.cooperation-feature {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.cooperation-feature:hover {
    background: rgba(47, 81, 142, 0.04);
    transform: translateX(4px);
}

.cooperation-feature__icon {
    flex-shrink: 0;
    color: #10b981;
    transition: all var(--transition-fast);
}

.cooperation-feature:hover .cooperation-feature__icon {
    transform: scale(1.1);
}

.cooperation-feature__text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.cooperation-feature__text strong {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--ink);
}

.cooperation-feature__text span {
    font-size: 0.85rem;
    color: var(--muted);
    line-height: 1.4;
}

.cooperation-card__footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--line);
}

.cooperation-card__cta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-lg);
    background: transparent;
    color: var(--brand-1);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    border-radius: var(--radius-md);
    border: 2px solid var(--brand-1);
    transition: all var(--transition-fast);
    cursor: pointer;
}

.cooperation-card__cta svg {
    transition: transform var(--transition-fast);
}

.cooperation-card__cta:hover {
    background: var(--brand-1);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(47, 81, 142, 0.25);
}

.cooperation-card__cta:hover svg {
    transform: translateX(4px);
}

.cooperation-card__cta:focus {
    outline: 2px solid var(--brand-3);
    outline-offset: 2px;
}

.cooperation-card__cta--primary {
    background: linear-gradient(135deg, var(--brand-1), var(--brand-3));
    color: white;
    border: none;
}

.cooperation-card__cta--primary:hover {
    background: linear-gradient(135deg, var(--brand-2), var(--brand-1));
    box-shadow: 0 8px 20px rgba(47, 81, 142, 0.35);
}

/* Cooperation Models Responsive */
@media (min-width: 769px) {
    .cooperation-models {
        display: grid !important;
        grid-template-columns: 1fr 1fr !important;
        gap: var(--spacing-xl) !important;
    }
}

@media (max-width: 768px) {
    .cooperation-models {
        grid-template-columns: 1fr !important;
        gap: var(--spacing-lg) !important;
        max-width: 600px;
    }
    .cooperation-card__header {
        padding: var(--spacing-lg) var(--spacing-md) var(--spacing-sm);
    }
    
    .cooperation-card__icon {
        width: 70px;
        height: 70px;
        border-radius: 16px;
    }
    
    .cooperation-card__icon svg {
        width: 40px;
        height: 40px;
    }
    
    .cooperation-card__title {
        font-size: 1.5rem;
    }
    
    .cooperation-card__tagline {
        font-size: 0.9rem;
    }
    
    .cooperation-card__price {
        padding: var(--spacing-md);
    }
    
    .cooperation-card__price-value {
        font-size: 2.5rem;
    }
    
    .cooperation-card__content {
        padding: var(--spacing-md);
    }
    
    .cooperation-features {
        gap: var(--spacing-sm);
    }
    
    .cooperation-feature {
        padding: var(--spacing-xs);
    }
    
    .cooperation-feature__icon {
        width: 20px;
        height: 20px;
    }
    
    .cooperation-feature__text strong {
        font-size: 0.9rem;
    }
    
    .cooperation-feature__text span {
        font-size: 0.8rem;
    }
    
    .cooperation-card__footer {
        padding: var(--spacing-md);
    }
    
    .cooperation-card__cta {
        font-size: 0.95rem;
        padding: var(--spacing-sm);
    }
    
    .cooperation-card__ribbon span {
        font-size: 0.7rem;
        padding: 6px 16px;
    }
}

@media (max-width: 480px) {
    .cooperation-card__icon {
        width: 60px;
        height: 60px;
    }
    
    .cooperation-card__icon svg {
        width: 36px;
        height: 36px;
    }
    
    .cooperation-card__title {
        font-size: 1.35rem;
    }
    
    .cooperation-card__price-value {
        font-size: 2.25rem;
    }
    
    .cooperation-card__ribbon span {
        font-size: 0.65rem;
        padding: 5px 14px;
    }
}

/* Form Section Styles */
.form-section {
    background: #f8fafc;
    position: relative;
}

.cooperation-form {
    max-width: 700px;
    margin: 0 auto;
}

.form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

/* Form Section */
.form__section {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 50%, #f0f9ff 100%);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.08);
    transition: all var(--transition-normal);
}

.form__section:hover {
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.12);
}

.form__section--unified {
    border: 1px solid rgba(2, 175, 237, 0.12);
}

/* Form Section Header (Collapsible) */
.form__section-header {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    background: rgba(255, 255, 255, 0.5);
    border: none;
    border-bottom: 1px solid rgba(147, 197, 253, 0.3);
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
}

.form__section-header::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -1px;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--brand-1), var(--brand-3));
    transition: width var(--transition-normal);
}

.form__section-header:hover::after {
    width: 100%;
}

.form__section-header:hover {
    background: rgba(255, 255, 255, 0.7);
}

.form__section-header:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.7);
}

.form__section-header:focus-visible {
    outline: 2px solid var(--brand-3);
    outline-offset: -2px;
}

.form__section-header[aria-expanded="true"] {
    border-bottom-color: #e2e8f0;
}

.form__section-title-wrapper {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
}

.form__section-title-wrapper::after {
    content: '(6 питань)';
    font-size: 0.75rem;
    color: #64748b;
    font-weight: 500;
    margin-left: 8px;
    background: rgba(100, 116, 139, 0.1);
    padding: 2px 8px;
    border-radius: 12px;
}

.form__section-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--ink);
    margin: 0;
    text-align: left;
}

.form__required-badge {
    padding: 3px 10px;
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.1), rgba(220, 38, 38, 0.08));
    color: #dc2626;
    font-size: 0.6875rem;
    font-weight: 700;
    border-radius: 12px;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    border: 1px solid rgba(220, 38, 38, 0.15);
}

.form__section-arrow {
    flex-shrink: 0;
    color: var(--muted);
    transition: all var(--transition-normal);
    opacity: 0.6;
}

.form__section-header:hover .form__section-arrow {
    opacity: 1;
    color: var(--brand-1);
}

.form__section-header[aria-expanded="true"] .form__section-arrow {
    transform: rotate(180deg);
    color: var(--brand-1);
    opacity: 1;
}

/* Form Section Content */
.form__section-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.form__section-content.is-open {
    max-height: 2500px;
    transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Contact Information Wrapper */
.form__section-contact-wrapper {
    padding: 0;
    background: rgba(255, 255, 255, 0.4);
    border-top: 1px solid rgba(147, 197, 253, 0.3);
}

.form__section-body {
    padding: 28px 24px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* Form Divider */
.form__divider {
    height: 0;
    margin: 8px 0 0 0;
    position: relative;
}

/* Form Field */
.form__field {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form__label {
    font-size: 0.875rem;
    font-weight: 600;
    color: #334155;
    display: flex;
    align-items: center;
    gap: 4px;
    letter-spacing: -0.01em;
}

.form__label-required {
    color: #ef4444;
    font-size: 1rem;
    line-height: 1;
}

/* Form Input */
.form__input {
    padding: 12px 16px;
    border: 1.5px solid #e2e8f0;
    border-radius: 10px;
    font-size: 0.9375rem;
    font-family: inherit;
    color: var(--ink);
    background-color: white;
    transition: all 0.2s ease;
}

.form__input::placeholder {
    color: #94a3b8;
    opacity: 1;
}

.form__input:hover {
    border-color: #cbd5e1;
}

.form__input:focus {
    outline: none;
    border-color: var(--brand-1);
    background-color: #fafbfc;
    box-shadow: 0 0 0 3px rgba(47, 81, 142, 0.08);
}

.form__input.is-invalid {
    border-color: #ef4444;
    background-color: #fef2f2;
}

.form__input.is-invalid:focus {
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

/* Radio Group */
.form__radio-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.form__radio {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    border: 1.5px solid #e2e8f0;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
    background: white;
}

.form__radio:hover {
    border-color: #cbd5e1;
    background-color: #fafbfc;
}

.form__radio input[type="radio"] {
    appearance: none;
    width: 20px;
    height: 20px;
    border: 2px solid #cbd5e1;
    border-radius: 50%;
    cursor: pointer;
    position: relative;
    transition: all 0.2s ease;
    flex-shrink: 0;
    background: white;
}

.form__radio input[type="radio"]:hover {
    border-color: #94a3b8;
}

.form__radio input[type="radio"]:checked {
    border-color: var(--brand-1);
    border-width: 6px;
}

.form__radio input[type="radio"]:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(47, 81, 142, 0.15);
}

.form__radio:has(input[type="radio"]:checked) {
    border-color: var(--brand-1);
    background: linear-gradient(135deg, rgba(47, 81, 142, 0.04), rgba(2, 175, 237, 0.03));
}

.form__radio-label {
    font-size: 0.9375rem;
    color: #1e293b;
    font-weight: 500;
    letter-spacing: -0.01em;
}

/* Form Error */
.form__error {
    display: none;
    font-size: 0.8125rem;
    color: #ef4444;
    font-weight: 500;
    padding-left: 4px;
    margin-top: -2px;
}

.form__error.is-visible {
    display: flex;
    align-items: center;
    gap: 4px;
}

.form__error.is-visible::before {
    content: '⚠';
    font-size: 0.875rem;
}

/* Form Submit */
.form__submit {
    display: flex;
    justify-content: center;
    margin-top: 12px;
}

.form__button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-xl);
    background: linear-gradient(135deg, var(--brand-1) 0%, var(--brand-2) 100%);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    box-shadow: 0 4px 12px rgba(47, 81, 142, 0.3);
}

.form__button:hover {
    background: linear-gradient(135deg, var(--brand-2) 0%, var(--brand-1) 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(47, 81, 142, 0.4);
}

.form__button:focus {
    outline: 2px solid var(--brand-3);
    outline-offset: 4px;
}

.form__button:active {
    transform: translateY(0);
}

.form__button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.form__button svg {
    transition: transform var(--transition-fast);
}

.form__button:hover:not(:disabled) svg {
    transform: translateX(4px);
}

/* Form Success Message */
.form__success {
    display: none;
    padding: 32px;
    background: white;
    border: 1.5px solid #86efac;
    border-radius: 16px;
    text-align: center;
    box-shadow: 0 4px 16px rgba(34, 197, 94, 0.15);
}

.form__success.is-visible {
    display: block;
    animation: successSlideIn 0.4s ease-out;
}

@keyframes successSlideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.form__success-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 16px;
    color: #22c55e;
}

.form__success-title {
    font-size: 1.375rem;
    font-weight: 700;
    color: #16a34a;
    margin-bottom: 8px;
    letter-spacing: -0.02em;
}

.form__success-message {
    font-size: 0.9375rem;
    color: #475569;
    line-height: 1.6;
    max-width: 500px;
    margin: 0 auto;
}

/* Form Responsive */
@media (max-width: 768px) {
    .cooperation-form {
        max-width: 100%;
    }
    
    .form__section {
        border-radius: 12px;
    }
    
    .form__section-header {
        padding: 16px 18px;
    }
    
    .form__section-title-wrapper {
        gap: 10px;
        flex-wrap: wrap;
    }
    
    .form__section-title {
        font-size: 1rem;
    }
    
    .form__required-badge {
        font-size: 0.625rem;
        padding: 3px 8px;
    }
    
    .form__section-body {
        padding: 20px 18px;
        gap: 18px;
    }
    
    .form__label {
        font-size: 0.8125rem;
    }
    
    .form__input {
        padding: 11px 14px;
        font-size: 0.875rem;
        border-radius: 8px;
    }
    
    .form__radio {
        padding: 12px 14px;
        border-radius: 8px;
    }
    
    .form__radio-label {
        font-size: 0.875rem;
    }
    
    .form__button {
        width: 100%;
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: 1rem;
        max-width: 280px;
    }
    
    .form__success {
        padding: 24px;
        border-radius: 12px;
    }
    
    .form__success-icon {
        width: 48px;
        height: 48px;
        margin-bottom: 12px;
    }
    
    .form__success-title {
        font-size: 1.25rem;
    }
    
    .form__success-message {
        font-size: 0.875rem;
    }
}

@media (max-width: 480px) {
    .form__section-header {
        padding: 14px 16px;
    }
    
    .form__section-title {
        font-size: 0.9375rem;
    }
    
    .form__section-body {
        padding: 18px 16px;
        gap: 16px;
    }
    
    .form__label {
        font-size: 0.8125rem;
    }
    
    .form__input {
        padding: 10px 12px;
        font-size: 0.875rem;
    }
    
    .form__radio {
        padding: 11px 12px;
        gap: 10px;
    }
    
    .form__radio-label {
        font-size: 0.8125rem;
    }
    
    .form__radio input[type="radio"] {
        width: 18px;
        height: 18px;
    }
}

/* Print Styles */
@media print {
    .header,
    .burger-button,
    .mobile-menu {
        display: none !important;
    }
    
    .section {
        break-inside: avoid;
        page-break-inside: avoid;
    }
    
    .team__member {
        break-inside: avoid;
        page-break-inside: avoid;
    }
    
    .model-card {
        break-inside: avoid;
        page-break-inside: avoid;
    }
    
    .models-comparison {
        grid-template-columns: 1fr;
    }
    
    .form__section-content {
        max-height: none !important;
    }
}