:root {
    --primary: #1e3c72;
    --primary-dark: #1a3260;
    --accent: #2a5298;
    --bg: #f6f9ff;
    --text: #1f2a44;
    --muted: #5b6a8d;
    --card-bg: #ffffff;
    --shadow: 0 20px 45px rgba(16, 42, 112, 0.12);
}

html {
    scroll-behavior: smooth;
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding-top: 120px;
    font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
    background: var(--bg);
    color: var(--text);
    position: relative;
    overflow-x: hidden;
}

body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    pointer-events: none;
    z-index: -1;
    overflow: hidden;
    transform: translateZ(0);
    background:
        radial-gradient(circle at 18% 22%, rgba(255, 156, 206, 0.48) 0%, rgba(255, 156, 206, 0) 55%),
        radial-gradient(circle at 78% 10%, rgba(115, 182, 255, 0.52) 0%, rgba(115, 182, 255, 0) 46%),
        linear-gradient(180deg, #dae4ff 0%, #c8d6ff 60%, rgba(220, 230, 255, 0) 100%);
}

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

.hero {
    background: transparent;
    min-height: calc(100vh - 120px);
    padding: 160px clamp(20px, 5vw, 60px) 120px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    color: #1f2a44;
    position: relative;
    overflow: hidden;
}

.hero::before,
.hero::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 160%;
    height: 160%;
    transform: translate(-50%, -50%);
    z-index: -1;
    pointer-events: none;
    filter: blur(18px);
}

.hero::before {
    background:
        linear-gradient(120deg, rgba(255, 208, 238, 0.88) 0%, rgba(162, 196, 255, 0.78) 52%, rgba(200, 218, 255, 0.95) 100%);
    opacity: 0.97;
    animation: softGradientShift 28s ease-in-out infinite;
}

.hero::after {
    background:
        linear-gradient(150deg, rgba(255, 255, 255, 0.82) 0%, rgba(209, 224, 255, 0.6) 38%, rgba(255, 190, 230, 0.72) 100%);
    mix-blend-mode: screen;
    opacity: 0.74;
    animation: softLightFlow 36s ease-in-out infinite;
}

.nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 24px clamp(20px, 5vw, 60px);
    background: transparent;
    z-index: 1000;
    box-sizing: border-box;
}

.nav-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 12px;
    border: none;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.9);
    box-shadow: 0 18px 32px rgba(30, 60, 114, 0.22);
    cursor: pointer;
    transition: background 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.nav-toggle span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--primary);
    display: block;
}

.nav.nav-open .nav-toggle {
    background: rgba(255, 255, 255, 1);
    box-shadow: 0 22px 36px rgba(30, 60, 114, 0.24);
    transform: translateY(1px);
}

.nav-controls {
    display: flex;
    align-items: center;
    gap: 18px;
    flex-wrap: wrap;
    margin-left: auto;
    justify-content: flex-end;
}

.hero .nav-link {
    color: rgba(33, 44, 78, 0.75);
    transition: color 0.2s ease;
}

.hero .nav-link:hover {
    color: rgba(33, 44, 78, 0.95);
}

.hero .nav-button {
    box-shadow: 0 18px 32px rgba(38, 72, 130, 0.22);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 16px;
}

@keyframes softGradientShift {
    0% {
        transform: translate3d(0%, 0%, 0) scale(1.02);
    }
    50% {
        transform: translate3d(3%, -3%, 0) scale(1.05);
    }
    100% {
        transform: translate3d(-2%, 2%, 0) scale(1.02);
    }
}

@keyframes softLightFlow {
    0% {
        transform: translate3d(0, 0, 0) scale(1.05);
        opacity: 0.55;
    }
    50% {
        transform: translate3d(-4%, 3%, 0) scale(1.08);
        opacity: 0.7;
    }
    100% {
        transform: translate3d(3%, -2%, 0) scale(1.05);
        opacity: 0.55;
    }
}

.language-dropdown {
    position: relative;
}

.language-trigger {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    border-radius: 12px;
    border: 1px solid rgba(30, 60, 114, 0.15);
    background: rgba(255, 255, 255, 0.9);
    color: var(--primary);
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 12px 24px rgba(30, 60, 114, 0.12);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.language-trigger:hover {
    transform: translateY(-1px);
    box-shadow: 0 16px 30px rgba(30, 60, 114, 0.16);
}

.language-trigger i {
    font-size: 14px;
}

.language-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    margin: 0;
    padding: 6px;
    list-style: none;
    background: #fff;
    border-radius: 14px;
    box-shadow: 0 20px 40px rgba(15, 32, 77, 0.18);
    min-width: 110px;
    display: none;
    z-index: 200;
}

.language-dropdown.open .language-menu {
    display: block;
}

.language-menu li {
    padding: 10px 14px;
    border-radius: 10px;
    cursor: pointer;
    font-weight: 600;
    color: var(--muted);
    transition: background 0.2s ease, color 0.2s ease;
}

.language-menu li:hover,
.language-menu li[aria-selected="true"] {
    background: rgba(30, 60, 114, 0.08);
    color: var(--primary);
}

.nav-link {
    font-weight: 500;
    color: var(--muted);
}

.nav-button {
    padding: 10px 18px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    color: #fff;
    font-weight: 600;
    box-shadow: 0 12px 28px rgba(30, 60, 114, 0.25);
}

.hero-content {
    max-width: 750px;
    margin: 0 auto;
    text-align: center;
}

.hero-content h1 {
    font-size: clamp(32px, 4vw, 52px);
    line-height: 1.2;
    margin-bottom: 24px;
}

.hero-typewriter {
    display: inline-block;
    width: min(100%, 40ch);
}

.hero-typewriter-text {
    display: inline-block;
    width: 100%;
    min-height: 4.0em;
    white-space: normal;
    position: relative;
}

.hero-typewriter-text::after {
    content: '';
    display: inline-block;
    width: 2px;
    height: 1.4em;
    margin-left: 6px;
    background: var(--primary);
    border-radius: 2px;
    animation: heroTypeBlink 0.9s steps(1, start) infinite;
    vertical-align: bottom;
}

.hero-typewriter-text.cursor-inactive::after {
    opacity: 0;
    animation: none;
}

@keyframes heroTypeBlink {
    0%, 49% { opacity: 1; }
    50%, 100% { opacity: 0; }
}

.hero-content p {
    margin: 0 auto 32px;
    max-width: 560px;
    color: rgba(47, 62, 101, 0.78);
    font-size: 18px;
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.primary-btn,
.secondary-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 24px;
    border-radius: 12px;
    font-weight: 600;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
    border: none;
    cursor: pointer;
}

.primary-btn {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    color: #fff;
    box-shadow: 0 18px 30px rgba(30, 60, 114, 0.25);
    font-size: 16px;
}

.primary-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 22px 36px rgba(30, 60, 114, 0.28);
}

.secondary-btn {
    background: white;
    color: var(--primary);
    box-shadow: 0 10px 22px rgba(30, 60, 114, 0.12);
    font-size: 16px;
}

.secondary-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 28px rgba(30, 60, 114, 0.16);
}

main {
    background: radial-gradient(circle at top, rgba(42, 82, 152, 0.12), transparent 55%);
}

.steps {
    max-width: 1100px;
    margin: 0 auto;
    padding: 80px 20px;
    text-align: center;
}

.steps h2 {
    font-size: clamp(28px, 3vw, 40px);
    margin-bottom: 12px;
}

.section-subtitle {
    color: var(--muted);
    margin-bottom: 48px;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
}

.step-card {
    background: var(--card-bg);
    border-radius: 24px;
    padding: 42px 32px 36px;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.step-icon {
    width: 80px;
    height: 80px;
    border-radius: 26px;
    background: var(--step-accent, rgba(30, 60, 114, 0.1));
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 20px 50px rgba(30, 60, 114, 0.18);
}

.step-icon img {
    width: 60px;
    height: 60px;
}

.step-card h3 {
    margin: 4px 0 0;
    font-size: 20px;
}

.step-card p {
    color: var(--muted);
    margin: 0;
    line-height: 1.6;
}

.features {
    max-width: 1120px;
    margin: 0 auto;
    padding: 60px 20px 90px;
    background: radial-gradient(circle at top, rgba(30, 60, 114, 0.06), transparent 65%);
}

.features h2,
.features .section-subtitle {
    text-align: center;
    font-size: clamp(28px, 3vw, 40px);
    margin-bottom: 48px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(260px, 1fr));
    gap: 26px 72px;
    justify-items: start;
}

@media (max-width: 960px) {
    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    }
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 18px;
    padding: 12px 0;
}

.feature-item h4 {
    margin: 0 0 10px;
    color: var(--primary);
    font-size: 18px;
}

.feature-item p {
    margin: 0;
    color: var(--muted);
    line-height: 1.6;
    font-size: 15px;
}

.feature-icon {
    font-size: 22px;
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.cta {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    color: white;
    padding: 80px 20px;
}

.cta-content {
    max-width: 640px;
    margin: 0 auto;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.cta-content h2 {
    margin: 0;
    font-size: clamp(30px, 3.5vw, 40px);
}

.cta-content p {
    margin: 0;
    color: rgba(255, 255, 255, 0.85);
}

.cta .primary-btn {
    background: white;
    color: var(--primary);
    box-shadow: 0 18px 30px rgba(12, 45, 95, 0.2);
}

.modal {
    position: fixed;
    inset: 0;
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    background: rgba(5, 16, 35, 0.35);
    backdrop-filter: blur(6px);
}

.modal.open {
    display: flex;
}

.auth-modal {
    max-width: 360px;
    width: 90%;
    background: #fff;
    border-radius: 16px;
    padding: 32px;
    box-shadow: 0 30px 60px rgba(15, 32, 77, 0.25);
    position: relative;
}

.auth-modal h2 {
    margin: 0 0 24px;
    text-align: center;
    color: var(--primary);
}

.auth-modal input {
    width: 100%;
    padding: 12px 14px;
    margin-bottom: 16px;
    border-radius: 10px;
    border: 1px solid #d6d9e5;
    font-size: 15px;
    transition: border-color 0.2s ease;
}

.auth-modal input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(30, 60, 114, 0.12);
}

.auth-modal button[type="submit"] {
    width: 100%;
    padding: 12px 18px;
    border: none;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    color: #fff;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.auth-modal button[type="submit"]:hover {
    transform: translateY(-1px);
    box-shadow: 0 14px 28px rgba(30, 60, 114, 0.2);
}

.auth-message {
    min-height: 20px;
    font-size: 14px;
    color: #d33b3b;
    margin-bottom: 12px;
    text-align: left;
}

.auth-message.success {
    color: #1f7a4d;
}

.auth-modal .close-modal {
    position: absolute;
    top: 16px;
    right: 16px;
    border: none;
    background: transparent;
    font-size: 26px;
    line-height: 1;
    color: #9aa5c1;
    cursor: pointer;
}

.auth-modal .close-modal:hover {
    color: var(--primary);
}

.auth-open-btn {
    cursor: pointer;
}

.contact-modal {
    max-width: 500px;
    width: 90%;
    background: #fff;
    border-radius: 16px;
    padding: 32px;
    box-shadow: 0 30px 60px rgba(15, 32, 77, 0.25);
    position: relative;
}

.contact-modal h2 {
    margin: 0 0 8px;
    text-align: center;
    color: var(--primary);
}

.contact-modal input,
.contact-modal textarea {
    width: 100%;
    padding: 12px 14px;
    margin-bottom: 16px;
    border-radius: 10px;
    border: 1px solid #d6d9e5;
    font-size: 15px;
    font-family: inherit;
    transition: border-color 0.2s ease;
    box-sizing: border-box;
}

.contact-modal textarea {
    resize: vertical;
    min-height: 100px;
}

.contact-modal input:focus,
.contact-modal textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(30, 60, 114, 0.12);
}

.contact-modal button[type="submit"] {
    width: 100%;
    padding: 12px 18px;
    border: none;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    color: #fff;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    font-size: 16px;
}

.contact-modal button[type="submit"]:hover {
    transform: translateY(-1px);
    box-shadow: 0 14px 28px rgba(30, 60, 114, 0.2);
}

.contact-modal button[type="submit"]:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.contact-message {
    min-height: 20px;
    font-size: 14px;
    color: #d33b3b;
    margin-bottom: 12px;
    text-align: left;
}

.contact-message.success {
    color: #1f7a4d;
}

.contact-modal .close-modal {
    position: absolute;
    top: 16px;
    right: 16px;
    border: none;
    background: transparent;
    font-size: 26px;
    line-height: 1;
    color: #9aa5c1;
    cursor: pointer;
}

.contact-modal .close-modal:hover {
    color: var(--primary);
}

#recaptcha-container {
    display: flex;
    justify-content: center;
    margin: 15px 0;
}

.nav-links .auth-open-btn.nav-link {
    border: none;
    background: transparent;
    font: inherit;
    padding: 0;
    color: inherit;
}

.nav-links .auth-open-btn.nav-button {
    padding: 10px 18px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    color: #fff;
    box-shadow: 0 12px 28px rgba(30, 60, 114, 0.25);
    font-weight: 600;
    border: none;
}

body.modal-open {
    overflow: hidden;
}
@media (max-width: 768px) {
    .nav {
        padding: 18px clamp(16px, 6vw, 28px);
    }

    .nav-toggle {
        display: inline-flex;
    }

    .nav-controls {
        position: fixed;
        top: 86px;
        left: clamp(16px, 6vw, 32px);
        right: clamp(16px, 6vw, 32px);
        display: none;
        flex-direction: column;
        align-items: stretch;
        gap: 14px;
        padding: 18px;
        border-radius: 20px;
        background: rgba(255, 255, 255, 0.96);
        box-shadow: 0 26px 48px rgba(30, 60, 114, 0.18);
        backdrop-filter: blur(14px);
        margin-left: 0;
        justify-content: flex-start;
        z-index: 950;
    }

    .nav.nav-open .nav-controls {
        display: flex;
    }

    .nav-links {
        flex-direction: column;
        align-items: stretch;
        gap: 14px;
    }

    .nav-button,
    .nav-link,
    .language-dropdown {
        width: 100%;
    }

    .nav-button {
        text-align: center;
    }

    .language-dropdown {
        text-align: center;
    }

    .language-trigger {
        width: 100%;
        justify-content: center;
    }

    .language-menu {
        left: 0;
        right: 0;
        width: 100%;
        text-align: center;
        transform: translateY(6px);
    }

    .hero::before,
    .hero::after {
        width: 220%;
        height: 220%;
    }

    .hero-content,
    .hero-content h1,
    .hero-content p {
        text-align: left;
    }

    .hero-actions {
        justify-content: flex-start;
    }

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