/*
Theme Name: USI
Theme URI: https://usi.vn
Author: Codex Assistant
Description: Custom green-forward theme for USI with immersive home page layout.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.5
Requires PHP: 7.4
Text Domain: usi-green
*/

:root {
    --green-950: #05210f;
    --green-900: #0a3b28;
    --green-800: #0f572f;
    --green-600: #10773d;
    --green-500: #1f9a56;
    --green-300: #6ccf8c;
    --green-200: #bfe9c8;
    --gold-400: #e8c271;
    --cream-50: #fefbf4;
    --cream-100: #f4efe2;
    --text-dark: #0f2a1d;
    --text-muted: #4b5e52;
    --card-bg: #ffffff;
    --shadow-soft: 0 15px 40px rgba(5, 48, 28, 0.08);
}

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

body {
    font-family: "Nunito", "Be Vietnam Pro", "Segoe UI", sans-serif;
    margin: 0;
    color: var(--text-dark);
    background-color: var(--cream-50);
    font-size: 18px;
}

:root {
    --header-height-desktop: 96px;
    --header-height-mobile: 72px;
    --header-logo-size-desktop: 84px;
    --header-logo-size-mobile: 56px;
}

header {
    height: var(--header-height-desktop);
}

header .header-wrapper {
    min-height: var(--header-height-desktop);
    align-items: center;
}

header .col-left .logo [class*="ratio"] {
    display: block;
    width: var(--header-logo-size-desktop);
    height: var(--header-logo-size-desktop);
}

header .wrap-logo-mobile {
    height: var(--header-logo-size-mobile);
}

header .wrap-logo-mobile .logo [class*="ratio"] {
    display: block;
    width: var(--header-logo-size-mobile);
    height: var(--header-logo-size-mobile);
}

@media (max-width: 767px) {
    header {
        height: var(--header-height-mobile);
    }

    header .header-wrapper {
        min-height: var(--header-height-mobile);
    }
}

.page-contact-form {
    margin-top: 36px;
    padding: 28px;
    border-radius: 20px;
    background: var(--card-bg);
    box-shadow: var(--shadow-soft);
}

.page-contact-form h3 {
    margin: 0 0 20px;
    font-size: 26px;
    color: var(--green-900);
}

.page-contact-form .wpcf7 {
    margin: 0;
}

.page-contact-form .wpcf7-form {
    display: grid;
    gap: 16px;
}

.page-contact-form .wpcf7-form p {
    margin: 0;
}

.page-contact-form .wpcf7-form label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-dark);
}

.page-contact-form .wpcf7-form .wpcf7-form-control {
    width: 100%;
    border: 1px solid var(--green-200);
    border-radius: 12px;
    padding: 12px 14px;
    font-size: 16px;
    color: var(--text-dark);
    background: #ffffff;
}

.page-contact-form .wpcf7-form .wpcf7-form-control:focus {
    outline: none;
    border-color: var(--green-500);
    box-shadow: 0 0 0 3px rgba(31, 154, 86, 0.16);
}

.page-contact-form .wpcf7-form .wpcf7-submit {
    width: auto;
    border: none;
    border-radius: 999px;
    padding: 12px 24px;
    font-weight: 600;
    background: var(--green-600);
    color: #ffffff;
    cursor: pointer;
    transition: background 0.2s ease;
}

.page-contact-form .wpcf7-form .wpcf7-submit:hover {
    background: var(--green-500);
}

.page-contact-form .wpcf7-form .wpcf7-not-valid-tip {
    margin-top: 6px;
    font-size: 14px;
    color: #b2412a;
}

.page-contact-form .wpcf7-response-output {
    margin: 12px 0 0;
    border-radius: 12px;
    font-size: 15px;
}

.page-contact-form .cf7-submit-note {
    margin: 8px 0 0;
    font-size: 14px;
    color: var(--text-muted);
}

.footer .contact p {
    margin: 0 0 5px;
}

@media (max-width: 767px) {
    .page-contact-form {
        padding: 22px;
    }

    .page-contact-form h3 {
        font-size: 22px;
    }
}

.product-detail-page .small-banner {
    display: block;
}

.product-detail-page .small-banner .wrapper {
    min-height: 120px;
}

.image-modal {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
}

.image-modal.is-open {
    display: flex;
}

.image-modal__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
}

.image-modal__dialog {
    position: relative;
    z-index: 1;
    width: min(90vw, 1200px);
    max-height: 90vh;
    background: #0f2a1d;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
}

.image-modal__nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    border: 0;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.9);
    color: #0f2a1d;
    cursor: pointer;
    z-index: 2;
}

.image-modal__nav--prev {
    left: 12px;
}

.image-modal__nav--next {
    right: 12px;
}

.image-modal__close {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 40px;
    height: 40px;
    border: 0;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.9);
    color: #0f2a1d;
    cursor: pointer;
    z-index: 2;
}

.image-modal__frame {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    max-height: 90vh;
    overflow: auto;
}

.image-modal__img {
    max-width: 100%;
    max-height: 80vh;
    transition: transform 0.2s ease;
    cursor: zoom-in;
}

.image-modal__img.is-zoomed {
    transform: scale(1.8);
    cursor: zoom-out;
}

.product-detail-page .product-gallery .col-left {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.product-detail-page .product-gallery__thumbs {
    display: flex;
    flex-direction: column;
    gap: 12px;
    width: 80px;
    flex: none;
}

.product-detail-page .product-gallery__thumb {
    padding: 0;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    background: #ffffff;
    cursor: pointer;
    overflow: hidden;
}

.product-detail-page .product-gallery__thumb.is-active {
    border-color: #10773d;
    box-shadow: 0 0 0 1px rgba(16, 119, 61, 0.2);
}

.product-detail-page .product-gallery__main {
    flex: 1;
    border: 1px solid #e5e7eb;
    border-radius: 16px;
    overflow: hidden;
    background: #ffffff;
}

@media (max-width: 767px) {
    .product-detail-page .product-gallery .col-left {
        flex-direction: column-reverse;
        align-self: stretch;
        width: 100%;
    }

    .product-detail-page .product-gallery__thumbs {
        flex-direction: row;
        width: 100%;
        overflow-x: auto;
    }

    .product-detail-page .product-gallery__main {
        width: 100%;
        margin-bottom: 12px;
    }

    .product-detail-page .product-gallery__thumb {
        min-width: 64px;
    }
}