/* ========================================
   Phreuksa Scientific Archive
   Scientific Journal Theme
   ======================================== */

/* CSS Variables */
:root {
    --color-bg: #F1F8E9;
    --color-bg-light: #F8FCF5;
    --color-moss-green: #2E7D32;
    --color-moss-dark: #1B5E20;
    --color-moss-light: #4CAF50;
    --color-black: #1A1A1A;
    --color-text: #2C2C2C;
    --color-text-light: #5A5A5A;
    --color-border: #C5D7BD;
    --color-white: #FFFFFF;
    --color-paper: #FAF9F6;
    
    --font-heading: 'Niramit', sans-serif;
    --font-body: 'Sarabun', sans-serif;
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    
    --border-radius: 4px;
    --border-radius-lg: 8px;
    
    --shadow-subtle: 0 2px 8px rgba(46, 125, 50, 0.08);
    --shadow-medium: 0 4px 16px rgba(46, 125, 50, 0.12);
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-bg);
    background-image: 
        linear-gradient(rgba(241, 248, 233, 0.9), rgba(241, 248, 233, 0.9)),
        url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%232E7D32' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.a24rypvc {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--color-black);
    line-height: 1.4;
}

h1 { font-size: 1.75rem; }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
    margin-bottom: var(--spacing-sm);
}

a {
    color: var(--color-moss-green);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--color-moss-dark);
}

/* Buttons */
.f7eawc57 {
    display: inline-block;
    padding: 0.875rem 2rem;
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 500;
    border: 2px solid transparent;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
}

.eoo8el4f {
    background-color: var(--color-moss-green);
    color: var(--color-white);
    border-color: var(--color-moss-green);
}

.eoo8el4f:hover {
    background-color: var(--color-moss-dark);
    border-color: var(--color-moss-dark);
    color: var(--color-white);
}

.ufnmls1n {
    width: 100%;
}

/* ========================================
   Header
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(241, 248, 233, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
}

.dc1ewlvd {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-sm);
    padding-bottom: var(--spacing-sm);
}

.y9nmkc0h {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.ag1mbyt1 {
    font-size: 1.75rem;
}

.y9nmkc0h h1 {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--color-moss-green);
}

.ixmhbvxr {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
}

.ixmhbvxr a {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    color: var(--color-text);
    padding: var(--spacing-xs) 0;
    position: relative;
}

.ixmhbvxr a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-moss-green);
    transition: width 0.3s ease;
}

.ixmhbvxr a:hover::after {
    width: 100%;
}

/* ========================================
   Hero Section
   ======================================== */
.o1cdlub3 {
    padding: var(--spacing-xl) 0 var(--spacing-lg);
    margin-top: 80px;
    position: relative;
}

.l51mlvwb {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.dqz05gu8 {
    font-size: 2.75rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-black);
}

.xxjuyrib {
    font-size: 1.125rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.jff0mhcj {
    position: relative;
}

.jff0mhcj img {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-medium);
    border: 1px solid var(--color-border);
}

.njjamv7p {
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-moss-green), transparent);
    margin-top: var(--spacing-lg);
    opacity: 0.3;
}

/* ========================================
   Section Styles
   ======================================== */
.miieey3j {
    text-align: center;
    margin-bottom: var(--spacing-xs);
    position: relative;
    padding-bottom: var(--spacing-sm);
}

.miieey3j::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 2px;
    background-color: var(--color-moss-green);
}

.uewfpvcg {
    text-align: center;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
    font-size: 1.1rem;
}

/* ========================================
   Research Section
   ======================================== */
.j0rbamfj {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-bg-light);
}

.ci21dh14 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.spc7acrv {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.spc7acrv:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-medium);
}

.ha8d6x9l {
    height: 200px;
    overflow: hidden;
    position: relative;
}

.ha8d6x9l::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(transparent, rgba(46, 125, 50, 0.1));
}

.ha8d6x9l img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.spc7acrv:hover .ha8d6x9l img {
    transform: scale(1.05);
}

.gzfj9wt0 {
    padding: var(--spacing-md);
}

.gzfj9wt0 h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
    color: var(--color-moss-green);
}

.ybe4ta9w {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
    font-style: italic;
}

.if3vqlr4 {
    font-size: 0.95rem;
    color: var(--color-text);
    line-height: 1.7;
    margin-bottom: var(--spacing-sm);
}

.cmyuuk6k {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--color-border);
}

.c1ftlgpf {
    font-size: 0.8rem;
    color: var(--color-moss-green);
    background-color: var(--color-bg);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    border: 1px solid var(--color-border);
}

/* ========================================
   Table Section
   ======================================== */
.zxkxhvv8 {
    padding: var(--spacing-xl) 0;
}

.wj2um9g3 {
    overflow-x: auto;
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-subtle);
}

.in4l2wik {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.95rem;
}

.in4l2wik th,
.in4l2wik td {
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.in4l2wik th {
    font-family: var(--font-heading);
    font-weight: 600;
    background-color: var(--color-bg);
    color: var(--color-moss-green);
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
}

.in4l2wik tr:hover {
    background-color: var(--color-bg-light);
}

.in4l2wik tr:last-child td {
    border-bottom: none;
}

.yo4fgdxc {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

.hhw9607u {
    background-color: #E8F5E9;
    color: var(--color-moss-dark);
}

.oh2sf26q {
    background-color: #FFF8E1;
    color: #F57F17;
}

.evyng99d {
    margin-top: var(--spacing-sm);
    padding: var(--spacing-sm);
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    font-size: 0.9rem;
    color: var(--color-text-light);
}

/* ========================================
   Botany Section
   ======================================== */
.n4j288gc {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-bg-light);
}

.lkvqyme6 {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.a7ze9tbf img {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-medium);
    border: 1px solid var(--color-border);
}

.bwk2odxk h3 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-moss-green);
}

.bwk2odxk p {
    color: var(--color-text);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.csqxvbnv {
    list-style: none;
    margin-top: var(--spacing-md);
}

.csqxvbnv li {
    padding: var(--spacing-xs) 0;
    color: var(--color-text);
    font-size: 1rem;
}

/* ========================================
   Contact Section
   ======================================== */
.zx5q0xxj {
    padding: var(--spacing-xl) 0;
}

.yg82kcg5 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: start;
}

.tfh9tppw img {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-medium);
    border: 1px solid var(--color-border);
}

.qt5onlxx {
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-subtle);
}

.u1i1n0je {
    margin-bottom: var(--spacing-md);
}

.u1i1n0je label {
    display: block;
    font-family: var(--font-heading);
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
    color: var(--color-black);
}

.u1i1n0je input,
.u1i1n0je select {
    width: 100%;
    padding: 0.875rem 1rem;
    font-family: var(--font-body);
    font-size: 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    background-color: var(--color-bg);
    color: var(--color-text);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.u1i1n0je input:focus,
.u1i1n0je select:focus {
    outline: none;
    border-color: var(--color-moss-green);
    box-shadow: 0 0 0 3px rgba(46, 125, 50, 0.1);
}

.u1i1n0je input::placeholder {
    color: var(--color-text-light);
}

.k3ls7b6l {
    font-size: 0.85rem;
    color: var(--color-text-light);
    text-align: center;
    margin-top: var(--spacing-sm);
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background-color: var(--color-black);
    color: var(--color-white);
    padding: var(--spacing-lg) 0;
}

.qe79yq18 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: var(--spacing-lg);
}

.jbcrbyww h4 {
    color: var(--color-moss-light);
    margin-bottom: var(--spacing-xs);
}

.jbcrbyww p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
}

.ji715kmj {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.ji715kmj a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
}

.ji715kmj a:hover {
    color: var(--color-moss-light);
}

.u3fkfxey {
    text-align: right;
}

.u3fkfxey p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-xs);
}

/* ========================================
   Modal
   ======================================== */
.pwvuziih {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    background-color: rgba(0, 0, 0, 0.6);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.yj2o7afx {
    background-color: var(--color-white);
    border-radius: var(--border-radius-lg);
    max-width: 500px;
    width: 90%;
    overflow: hidden;
    transform: translateY(-20px);
    transition: transform 0.3s ease;
    border: 1px solid var(--color-border);
}

.sa8byjs7 {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
    background-color: var(--color-bg);
}

.sa8byjs7 h3 {
    font-size: 1.25rem;
    color: var(--color-moss-green);
}

.ttzjnpfl {
    background: none;
    border: none;
    font-size: 1.75rem;
    color: var(--color-text-light);
    cursor: pointer;
    line-height: 1;
    transition: color 0.3s ease;
}

.ttzjnpfl:hover {
    color: var(--color-black);
}

.ykz4offu {
    padding: var(--spacing-lg);
    text-align: center;
}

.g319g49s {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    background-color: #E8F5E9;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: var(--color-moss-green);
}

.vqnk43ew {
    font-size: 1.125rem;
    color: var(--color-black);
    margin-bottom: var(--spacing-xs);
}

.p5a6hge1 {
    font-size: 0.95rem;
    color: var(--color-text-light);
}

.eqdl1jxa {
    padding: var(--spacing-md);
    border-top: 1px solid var(--color-border);
    background-color: var(--color-bg);
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1024px) {
    .l51mlvwb,
    .lkvqyme6,
    .yg82kcg5 {
        grid-template-columns: 1fr;
    }
    
    .ci21dh14 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .qe79yq18 {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .u3fkfxey {
        text-align: center;
    }
}

@media (max-width: 768px) {
    .dc1ewlvd {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .ixmhbvxr {
        gap: var(--spacing-sm);
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .dqz05gu8 {
        font-size: 2rem;
    }
    
    .ci21dh14 {
        grid-template-columns: 1fr;
    }
    
    .miieey3j {
        font-size: 1.75rem;
    }
    
    .in4l2wik {
        font-size: 0.85rem;
    }
    
    .in4l2wik th,
    .in4l2wik td {
        padding: var(--spacing-xs);
    }
}

@media (max-width: 480px) {
    .dqz05gu8 {
        font-size: 1.5rem;
    }
    
    .xxjuyrib {
        font-size: 1rem;
    }
    
    .f7eawc57 {
        padding: 0.75rem 1.5rem;
    }
}