:root {
    --dark: #4b403f;
    --gray: #999795;
    --blue: #7bbfc5;
    --white: #EDE9DA;

    --container-max: 1600px;
    --radius: 10px;
    --radius-lg: 50px;

    --pad-x: clamp(16px, 4vw, 10px);
    --section-y: clamp(40px, 6vw, 10px);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: "Unbounded", sans-serif;
    background-color: var(--white);
    color: var(--dark);
    overflow-x: hidden;
    line-height: 1.4;
}

body.no-scroll {
    overflow: hidden;
}

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

ul {
    list-style: none;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease, background-color 0.3s ease;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

.header-button,
.hero-button,
.login-button {
    display: inline-block;
    font-weight: 500;
    letter-spacing: 0.5px;
    font-size: clamp(14px, 1.1vw, 17px);
    color: var(--white);
    padding: 15px 40px;
    background-color: var(--blue);
    border-radius: var(--radius);
    text-align: center;
    transition: background-color 0.3s ease, transform 0.2s ease;
    white-space: nowrap;
}

.header-button:hover,
.hero-button:hover,
.login-button:hover {
    background-color: #66a8ae;
}

.hero-button {
    background-color: var(--dark);
}

.hero-button:hover {
    background-color: #332b2a;
}

.header {
    padding: clamp(16px, 2.5vw, 30px) var(--pad-x);
    position: relative;
    z-index: 100;
}

.header-container {
    max-width: var(--container-max);
    margin-inline: auto;
}

.header-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

.logo-link {
    display: inline-flex;
    flex-shrink: 0;
}

.logo {
    width: clamp(120px, 14vw, 200px);
    height: 50px;
    object-fit: contain;
}

.header-list {
    display: flex;
    gap: clamp(20px, 3vw, 50px);
}

.header-list-link {
    font-size: clamp(13px, 1vw, 15px);
    font-weight: 500;
    color: var(--gray);
    position: relative;
}

.header-list-link.active {
    color: var(--blue);
}

.header-list-link:hover {
    color: var(--blue);
}

.burger {
    display: none;
    position: relative;
    z-index: 200;
    width: 32px;
    height: 22px;
    padding: 0;
    flex-shrink: 0;
}

.burger span,
.burger::before,
.burger::after {
    content: '';
    position: absolute;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--blue);
    border-radius: 2px;
    transition: transform 0.3s ease, top 0.3s ease, bottom 0.3s ease, opacity 0.3s ease;
}

.burger span {
    top: 50%;
    transform: translateY(-50%);
}

.burger::before {
    top: 0;
}

.burger::after {
    bottom: 0;
}


.burger.open span {
    opacity: 0;
}

.burger.open::before {
    top: 50%;
    transform: translateY(-50%) rotate(45deg);
}

.burger.open::after {
    bottom: 50%;
    transform: translateY(50%) rotate(-45deg);
}

.hero {
    padding: var(--section-y) var(--pad-x);
}

.hero-container {
    max-width: var(--container-max);
    margin-inline: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: clamp(20px, 4vw, 60px);
}

.hero-content {
    flex: 1 1 0px;
    max-width: 700px;
}

.hero-title {
    font-size: clamp(32px, 6.5vw, 90px);
    line-height: 1.05;
    color: var(--dark);
    font-weight: 600;
}

.hero-desc {
    color: var(--gray);
    margin-top: clamp(16px, 2vw, 30px);
    margin-bottom: clamp(24px, 3vw, 50px);
    font-size: clamp(13px, 1.1vw, 15px);
    line-height: 1.5;
}

.hero-image {
    flex: 1 1 400px;
    max-width: 50%;
    max-height: 590px;
    width: 100%;
    object-fit: cover;
    border-radius: var(--radius-lg);
}

.text-decor {
    color: var(--blue);
}

.login {
    padding: var(--section-y) var(--pad-x);
}

.login-container {
    max-width: var(--container-max);
    width: min(100%, 700px);
    margin-inline: auto;
    padding: clamp(20px, 3vw, 0px);
    background-color: transparent;
}

.login-text {
    display: grid;
    justify-items: center;
    text-align: center;
    margin-bottom: 30px;
}

.login-title {
    font-size: clamp(40px, 4vw, 60px);
    line-height: 1.1;
    color: var(--dark);
    font-weight: 600;
}

.login-desc {
    color: var(--gray);
    margin-top: 10px;
    font-size: clamp(12px, 1vw, 14px);
    line-height: 1.5;
}

.login-form {
    display: grid;
    gap: 10px;
}

.login-input {
    width: 100%;
    border-radius: var(--radius);
    border: 2px solid transparent;
    padding: 14px 16px;
    font-size: clamp(13px, 1vw, 15px);
    font-family: inherit;
    background-color: #fff;
    color: var(--dark);
    transition: border-color 0.3s ease;
}

.login-input:focus {
    outline: none;
    border-color: var(--blue);
}

.login-input::placeholder {
    color: var(--gray);
}

.login-checkbox {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: clamp(12px, 1vw, 14px);
    color: var(--gray);
    cursor: pointer;
    user-select: none;
}

.login-checkbox input[type="checkbox"] {
    width: 20px;
    height: 20px;
    accent-color: var(--blue);
    cursor: pointer;
    flex-shrink: 0;
}

.registr-button {
    margin-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.login-button {
    flex: 1 1 auto;
    min-width: 180px;
}

.login-button--secondary {
    background-color: var(--dark);
}

.login-button--secondary:hover {
    background-color: #332b2a;
}

.footer {
    background-color: var(--blue);
    color: var(--white);
    padding: clamp(30px, 4vw, 50px) var(--pad-x);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: clamp(20px, 5vw, 100px);
    flex-wrap: wrap;
}

.footer-container {
    display: flex;
    flex-direction: column;
    gap: 10px;
    text-align: center;
}

.footer-container a {
    color: var(--white);
    font-size: clamp(13px, 1vw, 15px);
}

.footer-container a:hover {
    color: var(--dark);
}

.footer-copy {
    font-size: clamp(11px, 0.9vw, 13px);
    text-align: center;
    order: 3;
    flex-basis: 100%;
}


@media (max-width: 1200px) {
    .burger {
        display: block;
    }

    .header-list {
        display: flex;
        flex-direction: column;
        position: fixed;
        top: 0;
        right: 0;
        width: min(320px, 85vw);
        height: 100vh;
        padding: 100px 30px 40px;
        background-color: var(--dark);
        z-index: 150;
        gap: 25px;

        transform: translateX(100%);
        transition: transform 0.35s ease;
    }

    .header-list.open {
        transform: translateX(0);
    }

    .header-list-link {
        color: var(--white);
        font-size: 18px;
    }

    .header-list-link.active {
        color: var(--blue);
    }

    .header-button {
        display: none;
    }

    .hero-container {
        flex-direction: column-reverse;
        text-align: center;
    }

    .hero-content {
        max-width: 100%;
        padding-block: 0;
        text-align: center;
    }

    .hero-image {
        max-width: 100%;
        max-height: 450px;
        width: 100%;
    }
}


@media (max-width: 700px) {
    .hero-image {
        border-radius: 30px;
        max-height: 350px;
    }

    .registr-button {
        flex-direction: column;
    }

    .login-button {
        width: 100%;
    }

    .footer {
        flex-direction: column;
        gap: 25px;
    }

    .footer-copy {
        order: 0;
    }
}

@media (max-width: 400px) {
    .hero-title {
        font-size: 28px;
    }

    .login-title {
        font-size: 24px;
    }
}

.register-form {
    gap: 6px;
}

.register-label {
    font-size: clamp(13px, 1vw, 15px);
    font-weight: 500;
    color: var(--dark);
    margin-top: 10px;
}

.register-form .hint {
    font-size: clamp(11px, 0.95vw, 13px);
    color: var(--gray);
    line-height: 1.4;
    margin-bottom: 6px;
}

.login-input--file {
    padding: 10px 16px;
    background-color: #fff;
    cursor: pointer;
}

.login-input:valid:not(:placeholder-shown) {
    border-color: #7bbfc5;
}

.login-input:invalid:not(:placeholder-shown) {
    border-color: #d9534f;
}

.login-button:disabled {
    background-color: var(--gray);
    cursor: not-allowed;
}

.profile-card {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 30px;
    border: 2px solid var(--blue);
    border-radius: var(--radius);
    overflow: hidden;
    background-color: #ffffff;
}

.profile-card td {
    border: 2px solid var(--blue);
    vertical-align: middle;
    padding: clamp(16px, 2.5vw, 30px);
}

.profile-avatar {
    width: 40%;
    text-align: center;
    color: var(--gray);
    font-size: clamp(12px, 1vw, 14px);
    background-color: #f5fbfb;
}

.profile-avatar::before {
    content: "";
    display: block;
    width: 100%;
    max-width: 220px;
    aspect-ratio: 1 / 1;
    margin: 0 auto 12px;
    border: 2px dashed var(--blue);
    border-radius: var(--radius);
    background-color: #ffffff;
}

.profile-info {
    width: 60%;
    display: table-cell;
    vertical-align: middle;
}

.profile-hello {
    font-size: clamp(16px, 1.6vw, 22px);
    color: var(--dark);
    margin-bottom: 16px;
    line-height: 1.4;
}

.profile-hello strong {
    color: var(--blue);
}

.profile-logout {
    min-width: 0;
    padding: 12px 28px;
    margin-bottom: 16px;
}

.profile-info .error {
    color: #d9534f;
    font-size: clamp(12px, 1vw, 14px);
    line-height: 1.5;
    padding: 10px 14px;
    border: 2px solid #f1c2c0;
    border-radius: var(--radius);
    background-color: #fdf3f2;
}

.profile-subtitle {
    font-size: clamp(16px, 1.4vw, 20px);
    font-weight: 500;
    color: var(--dark);
    margin-bottom: 16px;
    text-align: center;
}

.profile-table {
    width: 100%;
    border-collapse: collapse;
    border: 2px solid var(--blue);
    border-radius: var(--radius);
    overflow: hidden;
    background-color: #ffffff;
}

.profile-table td {
    padding: 14px 18px;
    font-size: clamp(13px, 1vw, 15px);
    color: var(--dark);
    border: 2px solid var(--blue);
}

.profile-table td:first-child {
    width: 40%;
    color: var(--gray);
    font-weight: 500;
    background-color: #f5fbfb;
}

.profile-table td a {
    color: var(--blue);
    word-break: break-all;
}

.profile-table td a:hover {
    color: var(--dark);
}

@media (max-width: 700px) {
    .profile-card,
    .profile-card tbody,
    .profile-card tr,
    .profile-card td {
        display: block;
        width: 100%;
    }

    .profile-card td {
        border: 2px solid var(--blue);
    }

    .profile-info {
        text-align: center;
    }

    .profile-logout {
        width: 100%;
    }

    .profile-table td:first-child {
        width: 45%;
    }
}

.input-wrap {
    position: relative;
    display: flex;
    align-items: center;
}

.input-wrap .login-input {
    padding-right: 44px;
}

.valid-icon,
.invalid-icon {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 20px;
    font-weight: 700;
    display: none;
    pointer-events: none;
    line-height: 1;
}

.valid-icon {
    color: #5cb85c;
}

.invalid-icon {
    color: #d9534f;
}

#hint_password2 {
    transition: color 0.25s ease;
}