/* ===================================
   GLOBAL STYLES & VARIABLES
   =================================== */
:root {
    --primary-color: #00d9d9;
    --primary-soft: #65d4db;
    --secondary-color: #1a1a1a;
    --dark-bg: #0a0a0a;
    --panel-bg: #171717;
    --text-light: #ffffff;
    --text-muted: #b0b0b0;
    --border-color: #303030;
    --card-bg: #181818;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--dark-bg);
    color: var(--text-light);
    line-height: 1.6;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 28px;
}

/* ===================================
   BUTTONS
   =================================== */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-soft) 0%, #2aa8b2 100%);
    color: #000;
    border: none;
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
    text-decoration: none;
    letter-spacing: 0.02em;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #7ae0e6 0%, #31b6bf 100%);
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(0, 217, 217, 0.28);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-light);
    border: 1px solid rgba(255, 255, 255, 0.08);
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
    background-color: var(--panel-bg);
}

.btn-secondary:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.btn-learn-more {
    background: none;
    border: none;
    color: var(--text-light);
    cursor: pointer;
    font-size: 16px;
    font-weight: 500;
    text-decoration: none;
    transition: color 0.3s ease;
}

.btn-learn-more:hover {
    color: var(--primary-color);
}

/* ===================================
   HEADER / NAVIGATION
   =================================== */
.header {
    background-color: transparent;
    padding: 18px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar {
    display: block;
}

.nav-shell {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
    background-color: rgba(24, 24, 24, 0.96);
    border: 1px solid rgba(255, 255, 255, 0.03);
    border-radius: 28px;
    padding: 8px 12px 8px 28px;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.logo-img {
    height: 32px;
    width: auto;
    object-fit: contain;
}

.logo {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: 2px;
    text-decoration: none;
    transition: color 0.3s ease;
}

.logo:hover {
    color: #00b8b8;
}

.nav-pill {
    display: flex;
    justify-content: center;
    gap: 46px;
    align-items: center;
    flex: 1;
}

.nav-pill a {
    color: var(--text-light);
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
    transition: color 0.3s ease;
    white-space: nowrap;
}

.nav-pill a:hover {
    color: var(--primary-color);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-shrink: 0;
}

.language-selector {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    min-width: 64px;
    padding: 10px 12px;
    background-color: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 999px;
    color: var(--text-light);
    cursor: pointer;
    font: inherit;
    font-size: 14px;
    font-weight: 700;
    line-height: 1;
    transition: all 0.3s ease;
}

.language-selector:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.language-selector:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 3px;
}

.dropdown-arrow {
    font-size: 9px;
    line-height: 1;
}

.nav-cta {
    min-width: 164px;
}

/* ===================================
   HERO SECTION
   =================================== */
.hero {
    padding: 82px 0 96px;
    min-height: 70vh;
    display: flex;
    align-items: center;
}

.hero-content {
    display: grid;
    grid-template-columns: minmax(0, 1.03fr) minmax(420px, 0.97fr);
    gap: 52px;
    align-items: center;
}

.hero-text h1 {
    font-size: clamp(44px, 5vw, 60px);
    line-height: 1.04;
    margin-bottom: 28px;
    color: var(--text-light);
    max-width: 620px;
    font-weight: 400;
    letter-spacing: -0.03em;
}

.hero-text > p {
    font-size: 18px;
    color: var(--text-muted);
    margin-bottom: 34px;
    line-height: 1.6;
    max-width: 520px;
}

.hero-buttons {
    display: flex;
    gap: 30px;
    align-items: center;
}

/* Hero Card */
.hero-image {
    position: relative;
}

.hero-main-image {
    width: 100%;
    height: auto;
    border-radius: 32px;
    object-fit: cover;
    box-shadow: 0 24px 80px rgba(0, 217, 217, 0.12);
}

/* ===================================
   SECTION HEADERS
   =================================== */
.section-header {
    text-align: left;
    margin-bottom: 60px;
    max-width: 760px;
}

.section-label {
    display: inline-block;
    background-color: rgba(101, 212, 219, 0.45);
    color: var(--text-light);
    padding: 10px 18px;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 20px;
    min-width: 156px;
    text-align: center;
}

.section-header h2 {
    font-size: clamp(36px, 4.2vw, 52px);
    margin-bottom: 14px;
    color: var(--text-light);
    line-height: 1.12;
    font-weight: 400;
    letter-spacing: -0.03em;
}

.section-header p {
    font-size: 18px;
    color: var(--text-muted);
}

/* ===================================
   FEATURES SECTION
   =================================== */
.features {
    padding: 54px 0 100px;
    background-color: var(--dark-bg);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.feature-card {
    background-color: var(--card-bg);
    padding: 16px 18px 18px;
    border-radius: 24px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    gap: 12px;
    min-height: 186px;
}

.feature-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 217, 217, 0.15);
}

.feature-image {
    width: 50px;
    height: 50px;
    background-color: var(--primary-soft);
    border-radius: 8px;
}

.feature-card h3 {
    font-size: 17px;
    margin-top: 4px;
    line-height: 1.15;
    font-weight: 500;
}

.feature-card p {
    color: var(--text-muted);
    font-size: 14px;
    line-height: 1.6;
    max-width: 280px;
}
/* ===================================
   WHO IS VITALIA FOR SECTION
   =================================== */
.who-is-vitalia {
    padding: 42px 0 100px;
    background-color: var(--dark-bg);
}

.clients-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.client-card {
    background-color: var(--card-bg);
    padding: 28px 22px 26px;
    border-radius: 24px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.client-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
}

.client-card h3 {
    font-size: 21px;
    margin-top: 0;
    line-height: 1.2;
    font-weight: 500;
}

.client-image {
    width: 100%;
    height: 132px;
    background-color: var(--primary-soft);
    border-radius: 4px;
    object-fit: cover;
}

.client-card p {
    color: var(--text-muted);
    font-size: 15px;
    line-height: 1.6;
}

/* ===================================
   PLANS SECTION
   =================================== */

.plans {
    padding: 44px 0 100px;
    background-color: var(--dark-bg);
}

.plans-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    align-items: stretch;
}

.plan-card {
    background-color: var(--card-bg);
    padding: 34px 28px 28px;
    border-radius: 24px;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 18px;
    position: relative;
    transition: all 0.3s ease;
}

.plan-card:hover {
    border-color: var(--primary-color);
}

.plan-card h3 {
    font-size: 42px;
    margin: 0;
    font-weight: 600;
    line-height: 1;
}

.plan-description {
    color: var(--text-muted);
    font-size: 16px;
    line-height: 1.2;
    max-width: 230px;
}

.plan-features {
    list-style: disc;
    padding-left: 22px;
    flex-grow: 1;
}

.plan-features li {
    padding: 4px 0;
    color: var(--text-light);
    font-size: 14px;
}

.plan-price {
    display: flex;
    align-items: baseline;
    gap: 8px;
}

.price {
    font-size: 56px;
    font-weight: 400;
    color: var(--primary-color);
    letter-spacing: -0.04em;
}

.period {
    color: var(--text-muted);
    font-size: 14px;
}

.plan-card button,
.plan-card .btn-primary,
.plan-card .btn-secondary {
    width: 100%;
    padding: 16px 20px;
}

/* Featured Plan Style */
.plan-featured {
    border-color: rgba(101, 212, 219, 0.85);
    background: linear-gradient(180deg, #6fdbe3 0%, #2aa6b0 100%);
    transform: scale(1.03);
    margin: 0;
    color: #111;
}

.plan-featured h3,
.plan-featured .plan-description,
.plan-featured .plan-features li,
.plan-featured .period,
.plan-featured .price {
    color: #111;
}

.plan-featured .btn-primary {
    background: #171717;
    color: var(--text-light);
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.22);
}

.plan-featured .btn-primary:hover {
    background: #111;
}

.top-choice {
    position: absolute;
    top: -14px;
    left: 18px;
    background-color: #1b1b1b;
    color: var(--text-light);
    padding: 8px 32px;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 600;
    white-space: nowrap;
}

/* ===================================
   FOOTER
   =================================== */

.footer {
    background-color: transparent;
    border-top: 1px solid var(--border-color);
    padding: 40px 0;
    text-align: center;
    color: var(--text-muted);
    font-size: 14px;
}

/* ===================================
   RESPONSIVE DESIGN
   =================================== */

/* Tablets (768px to 1024px) */
@media (max-width: 1024px) {
    .container {
        padding: 0 20px;
    }

    .nav-shell {
        flex-wrap: wrap;
        justify-content: center;
        padding: 18px 20px;
    }

    .nav-pill {
        order: 3;
        width: 100%;
        flex-wrap: wrap;
        gap: 24px;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-text h1 {
        font-size: 36px;
    }

    .hero-buttons {
        flex-wrap: wrap;
    }

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

    .plan-featured {
        transform: scale(1);
        margin: 0;
    }

    .contact-wrapper,
    .about-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .section-header h2 {
        font-size: 32px;
    }
}

/* Mobile (up to 768px) */
@media (max-width: 768px) {
    .nav-shell {
        padding: 18px 18px 20px;
        gap: 18px;
        border-radius: 24px;
    }

    .nav-pill {
        width: 100%;
        flex-wrap: wrap;
        gap: 14px 24px;
    }

    .btn-primary {
        padding: 10px 24px;
        font-size: 13px;
    }

    .hero {
        padding: 60px 0;
        min-height: auto;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .hero-text h1 {
        font-size: 28px;
        line-height: 1.3;
    }

    .hero-text > p {
        font-size: 15px;
        margin-bottom: 25px;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 15px;
        width: 100%;
        align-items: flex-start;
    }

    .hero-buttons .btn-primary {
        width: 100%;
        max-width: 240px;
    }

    .features,
    .who-is-vitalia,
    .plans,
    .contact,
    .about {
        padding: 60px 0;
    }

    .section-header {
        margin-bottom: 40px;
    }

    .section-header h2 {
        font-size: 24px;
    }

    .section-header p {
        font-size: 15px;
    }

    .features-grid,
    .clients-grid,
    .plans-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .plan-featured {
        border-color: rgba(101, 212, 219, 0.85);
        background: linear-gradient(180deg, #6fdbe3 0%, #2aa6b0 100%);
    }

    .contact-wrapper,
    .about-wrapper {
        padding: 40px 20px;
        gap: 30px;
    }

    .contact-item {
        margin-bottom: 20px;
    }

    .about-image img {
        max-width: 300px;
    }

    .feature-card,
    .client-card,
    .plan-card {
        padding: 25px 20px;
    }
}

/* Small Mobile (up to 480px) */
@media (max-width: 480px) {
    .logo {
        font-size: 18px;
    }

    .header {
        padding: 15px 0;
    }

    .nav-shell {
        padding: 16px;
    }

    .logo-section,
    .nav-actions {
        width: 100%;
        justify-content: center;
    }

    .nav-pill {
        gap: 12px 18px;
    }

    .nav-cta {
        width: 100%;
        min-width: 0;
    }

    .btn-primary {
        padding: 10px 20px;
        font-size: 12px;
    }

    .hero-text h1 {
        font-size: 24px;
    }

    .hero-text > p {
        font-size: 14px;
    }

    .hero-buttons {
        width: 100%;
        align-items: stretch;
    }

    .hero-buttons .btn-primary,
    .hero-buttons .btn-learn-more {
        width: 100%;
        text-align: center;
    }

    .section-header h2 {
        font-size: 20px;
    }

    .section-header p {
        font-size: 14px;
    }

    .plan-card h3 {
        font-size: 34px;
    }

    .price {
        font-size: 44px;
    }

    .contact-wrapper {
        padding: 30px 15px;
    }

    .about-wrapper {
        padding: 30px 15px;
    }

    .about-image img {
        max-width: 250px;
    }
}

/* ===================================
   CONTACT SECTION
   =================================== */
.contact {
    padding: 44px 0 100px;
    background-color: var(--dark-bg);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 72px;
    background-color: var(--card-bg);
    padding: 58px 44px 36px;
    border-radius: 26px;
    border: 1px solid var(--border-color);
}

.contact-info h2 {
    font-size: 30px;
    margin-bottom: 18px;
    font-weight: 500;
}

.contact-info > p {
    color: var(--text-muted);
    margin-bottom: 40px;
    font-size: 16px;
}

.contact-item {
    display: flex;
    gap: 18px;
    margin-bottom: 42px;
    align-items: flex-start;
}

.contact-icon {
    font-size: 32px;
    min-width: 44px;
    line-height: 1;
}

.contact-item h4 {
    font-size: 18px;
    margin-bottom: 2px;
    font-weight: 500;
}

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

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-input {
    background-color: #0d0d0d;
    border: 1px solid #111;
    padding: 18px 18px;
    border-radius: 22px;
    color: var(--text-light);
    font-size: 16px;
    transition: all 0.3s ease;
}

.form-input::placeholder {
    color: var(--text-muted);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-color);
    background-color: rgba(30, 41, 59, 0.95);
}

.form-textarea {
    resize: vertical;
    min-height: 132px;
    font-family: inherit;
}

.btn-send {
    width: 100%;
    margin-top: 12px;
}


/* ===================================
   ABOUT SECTION
   =================================== */
.about {
    padding: 44px 0 100px;
    background-color: var(--dark-bg);
}

.about-wrapper {
    background-color: var(--card-bg);
    padding: 54px 58px;
    border-radius: 26px;
    border: 1px solid var(--border-color);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 54px;
    align-items: center;
}

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

.about-image img {
    width: 100%;
    max-width: 340px;
    height: auto;
    background-color: white;
    padding: 22px;
    border-radius: 32px;
    object-fit: contain;
}

.about-content h2 {
    font-size: 30px;
    margin-bottom: 26px;
    font-weight: 500;
}

.about-content p {
    color: var(--text-muted);
    font-size: 15px;
    line-height: 1.8;
    margin-bottom: 20px;
}