/* =====================================================
   KYOKUSHIN-KAN INDONESIA - Main Stylesheet
   ===================================================== */

/* CSS Variables */
:root {
    --crimson: #8B0000;
    --blood-red: #B22222;
    --gold: #D4AF37;
    --gold-bright: #FFD700;
    --black: #0a0a0a;
    --charcoal: #1a1a1a;
    --ink: #141414;
    --smoke: #2a2a2a;
    --ash: #3a3a3a;
    --silver: #c0c0c0;
    --white: #f5f5f5;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Rajdhani', sans-serif;
    background: var(--black);
    color: var(--white);
    overflow-x: hidden;
    line-height: 1.6;
}

/* Noise Texture Overlay */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
    opacity: 0.03;
    pointer-events: none;
    z-index: 9999;
}

/* Custom Scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--black); }
::-webkit-scrollbar-thumb { background: var(--crimson); border-radius: 4px; }

/* =====================================================
   NAVIGATION
   ===================================================== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 0.8rem 3rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    background: linear-gradient(180deg, rgba(0,0,0,0.95) 0%, transparent 100%);
    transition: all 0.3s ease;
}

.nav.scrolled {
    background: rgba(10, 10, 10, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(139, 0, 0, 0.3);
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    text-decoration: none;
}

.nav-logo-symbol {
    font-family: 'Noto Serif JP', serif;
    font-size: 2rem;
    color: var(--gold);
    text-shadow: 0 0 20px rgba(212, 175, 55, 0.5);
}

.nav-logo-text {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 1.2rem;
    letter-spacing: 2px;
    color: var(--white);
}

.nav-links {
    display: flex;
    gap: 1.5rem;
    list-style: none;
    align-items: center;
}

.nav-links li {
    position: relative;
}

.nav-links a {
    color: var(--silver);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.85rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    position: relative;
    transition: color 0.3s ease;
    padding: 0.5rem 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gold);
    transition: width 0.3s ease;
}

.nav-links a:hover { color: var(--gold); }
.nav-links a:hover::after { width: 100%; }
.nav-links a.active { color: var(--gold); }

/* Dropdown */
.dropdown { position: relative; }

.dropdown-content {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--charcoal);
    min-width: 220px;
    border: 1px solid var(--ash);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    z-index: 100;
}

.dropdown:hover .dropdown-content {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-content a {
    display: block;
    padding: 0.8rem 1.2rem;
    font-size: 0.8rem;
    border-bottom: 1px solid var(--ash);
}

.dropdown-content a:last-child { border-bottom: none; }
.dropdown-content a:hover { background: var(--smoke); }

.nav-cta {
    background: linear-gradient(135deg, var(--crimson), var(--blood-red));
    color: var(--white);
    padding: 0.6rem 1.5rem;
    border: none;
    font-family: 'Rajdhani', sans-serif;
    font-weight: 700;
    font-size: 0.85rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(139, 0, 0, 0.5);
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.mobile-toggle span {
    width: 28px;
    height: 3px;
    background: var(--gold);
    transition: all 0.3s ease;
}

/* =====================================================
   PAGE HEADER (for inner pages)
   ===================================================== */
.page-header {
    padding: 10rem 5% 4rem;
    background: linear-gradient(180deg, var(--black) 0%, var(--charcoal) 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M30 0L60 30L30 60L0 30z' fill='none' stroke='%23D4AF37' stroke-width='0.5' opacity='0.05'/%3E%3C/svg%3E");
    opacity: 0.5;
}

.page-header-kanji {
    position: absolute;
    font-family: 'Noto Serif JP', serif;
    font-size: 20vw;
    color: rgba(139, 0, 0, 0.05);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 0;
}

.page-header-content {
    position: relative;
    z-index: 1;
}

.page-header-tag {
    font-family: 'Noto Serif JP', serif;
    font-size: 1.5rem;
    color: var(--gold);
    opacity: 0.7;
    margin-bottom: 0.5rem;
}

.page-header h1 {
    font-family: 'Bebas Neue', sans-serif;
    font-size: clamp(2.5rem, 6vw, 4rem);
    letter-spacing: 5px;
    margin-bottom: 1rem;
}

.page-header-line {
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, var(--crimson), var(--gold));
    margin: 0 auto;
}

/* =====================================================
   HERO SECTION
   ===================================================== */
.hero {
    height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(ellipse at 20% 80%, rgba(139, 0, 0, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(212, 175, 55, 0.1) 0%, transparent 50%),
        linear-gradient(180deg, rgba(0,0,0,0.6) 0%, rgba(26,26,26,0.7) 50%, rgba(0,0,0,0.85) 100%),
        url('/static/uploads/Wallpaper.png');
    background-size: cover;
    background-position: center top;
    background-repeat: no-repeat;
}

.hero-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M30 0L60 30L30 60L0 30z' fill='none' stroke='%23D4AF37' stroke-width='0.5' opacity='0.05'/%3E%3C/svg%3E");
    opacity: 0.5;
}

.hero-kanji {
    position: absolute;
    font-family: 'Noto Serif JP', serif;
    font-size: 30vw;
    color: rgba(139, 0, 0, 0.05);
    z-index: 0;
    user-select: none;
    animation: kanji-float 20s ease-in-out infinite;
}

@keyframes kanji-float {
    0%, 100% { transform: translateY(0) rotate(-5deg); }
    50% { transform: translateY(-30px) rotate(5deg); }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 2rem;
}

.hero-org-badge {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    margin-bottom: 2rem;
    animation: fadeInDown 1s ease forwards;
}

.hero-org-badge span {
    color: var(--gold);
    font-size: 0.9rem;
    letter-spacing: 4px;
    text-transform: uppercase;
    opacity: 0.8;
}

@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-30px); }
    to { opacity: 1; transform: translateY(0); }
}

.hero-title {
    font-family: 'Bebas Neue', sans-serif;
    font-size: clamp(3rem, 10vw, 7rem);
    letter-spacing: 8px;
    line-height: 1;
    margin-bottom: 1rem;
    animation: fadeInUp 1s ease 0.2s forwards;
    opacity: 0;
}

.hero-title span {
    display: block;
    background: linear-gradient(135deg, var(--white) 0%, var(--silver) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-title-jp {
    font-family: 'Noto Serif JP', serif;
    font-size: clamp(1.2rem, 3vw, 2.5rem);
    color: var(--gold);
    letter-spacing: 12px;
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease 0.4s forwards;
    opacity: 0;
    text-shadow: 0 0 30px rgba(212, 175, 55, 0.5);
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--silver);
    max-width: 650px;
    margin: 0 auto 3rem;
    letter-spacing: 1px;
    animation: fadeInUp 1s ease 0.6s forwards;
    opacity: 0;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease 0.8s forwards;
    opacity: 0;
}

.hero-scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--silver);
    font-size: 0.75rem;
    letter-spacing: 2px;
    animation: bounce 2s ease infinite;
}

.hero-scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(180deg, var(--gold), transparent);
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(10px); }
}

/* =====================================================
   BUTTONS
   ===================================================== */
.btn {
    padding: 1rem 2.5rem;
    font-family: 'Rajdhani', sans-serif;
    font-weight: 700;
    font-size: 0.95rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    display: inline-block;
}

.btn-primary {
    background: linear-gradient(135deg, var(--crimson), var(--blood-red));
    color: var(--white);
    border: none;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(139, 0, 0, 0.5);
}

.btn-secondary {
    background: transparent;
    color: var(--gold);
    border: 2px solid var(--gold);
}

.btn-secondary:hover {
    background: var(--gold);
    color: var(--black);
    transform: translateY(-3px);
}

.btn-sm {
    padding: 0.6rem 1.5rem;
    font-size: 0.85rem;
}

/* =====================================================
   SECTIONS
   ===================================================== */
section {
    padding: 6rem 5%;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-tag {
    font-family: 'Noto Serif JP', serif;
    font-size: 1.3rem;
    color: var(--gold);
    opacity: 0.7;
    margin-bottom: 0.8rem;
}

.section-title {
    font-family: 'Bebas Neue', sans-serif;
    font-size: clamp(2rem, 4vw, 3.5rem);
    letter-spacing: 4px;
    margin-bottom: 1rem;
}

.section-line {
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, var(--crimson), var(--gold));
    margin: 0 auto;
}

/* Background Variants */
.bg-black { background: var(--black); }
.bg-charcoal { background: var(--charcoal); }
.bg-ink { background: var(--ink); }

.bg-gradient-1 {
    background: linear-gradient(180deg, var(--black) 0%, var(--charcoal) 50%, var(--black) 100%);
}

.bg-gradient-2 {
    background: linear-gradient(180deg, var(--black) 0%, var(--charcoal) 100%);
}

/* =====================================================
   ABOUT SECTION
   ===================================================== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
    align-items: start;
    max-width: 1400px;
    margin: 0 auto;
}

.about-image-frame {
    position: relative;
    padding: 1.5rem;
}

.about-image-frame::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 2px solid var(--gold);
    transform: translate(-15px, -15px);
    opacity: 0.3;
}

.about-image-box {
    aspect-ratio: 4/5;
    background: linear-gradient(135deg, var(--charcoal), var(--smoke));
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.about-image-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, var(--crimson) 0%, transparent 50%);
    opacity: 0.3;
}

.about-image-kanji {
    font-family: 'Noto Serif JP', serif;
    font-size: 10rem;
    color: var(--gold);
    opacity: 0.2;
    text-shadow: 0 0 50px rgba(212, 175, 55, 0.3);
}

.about-content h3 {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 2rem;
    letter-spacing: 3px;
    margin-bottom: 1.5rem;
    color: var(--gold);
}

.about-content p {
    font-size: 1rem;
    color: var(--silver);
    margin-bottom: 1.2rem;
    line-height: 1.8;
    text-align: justify;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-top: 2.5rem;
    padding-top: 2.5rem;
    border-top: 1px solid var(--ash);
}

.stat { text-align: center; }

.stat-number {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 2.5rem;
    color: var(--gold);
    line-height: 1;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--silver);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* =====================================================
   KANCHO SECTION
   ===================================================== */
.kancho-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    max-width: 1200px;
    margin: 0 auto;
    align-items: center;
}

.kancho-image-box {
    width: 280px;
    height: 350px;
    background: linear-gradient(135deg, var(--charcoal), var(--smoke));
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 3px solid var(--gold);
    position: relative;
}

.kancho-image-box::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 10px;
    right: -10px;
    bottom: -10px;
    border: 1px solid var(--crimson);
    z-index: -1;
}

.kancho-image-kanji {
    font-family: 'Noto Serif JP', serif;
    font-size: 6rem;
    color: var(--gold);
    opacity: 0.3;
}

.kancho-title {
    text-align: center;
    margin-top: 1.5rem;
}

.kancho-title h4 {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 1.5rem;
    letter-spacing: 3px;
    color: var(--gold);
}

.kancho-title p {
    color: var(--silver);
    font-size: 0.9rem;
}

.kancho-content h3 {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 2rem;
    letter-spacing: 3px;
    margin-bottom: 1.5rem;
}

.kancho-content p {
    color: var(--silver);
    font-size: 0.95rem;
    line-height: 1.8;
    margin-bottom: 1rem;
    text-align: justify;
}

/* =====================================================
   DOJO KUN / JANJI DOJO
   ===================================================== */
.dojo-kun-container {
    max-width: 1000px;
    margin: 0 auto;
}

.dojo-kun-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.dojo-kun-tab {
    padding: 0.8rem 2rem;
    background: var(--charcoal);
    border: 1px solid var(--ash);
    color: var(--silver);
    font-family: 'Rajdhani', sans-serif;
    font-weight: 600;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.dojo-kun-tab.active,
.dojo-kun-tab:hover {
    background: var(--crimson);
    border-color: var(--crimson);
    color: var(--white);
}

.dojo-kun-content {
    display: none;
}

.dojo-kun-content.active {
    display: block;
}

.oath-list {
    list-style: none;
}

.oath-item {
    display: flex;
    gap: 1.5rem;
    padding: 1.5rem;
    background: var(--ink);
    margin-bottom: 1rem;
    border-left: 3px solid var(--gold);
    transition: all 0.3s ease;
}

.oath-item:hover {
    background: var(--smoke);
    transform: translateX(5px);
}

.oath-number {
    font-family: 'Noto Serif JP', serif;
    font-size: 2rem;
    color: var(--gold);
    opacity: 0.5;
    flex-shrink: 0;
    width: 40px;
}

.oath-text {
    color: var(--silver);
    font-size: 1rem;
    line-height: 1.7;
    font-style: italic;
}

.oath-romaji {
    color: var(--ash);
    font-size: 0.85rem;
    margin-top: 0.5rem;
    font-style: normal;
}

/* =====================================================
   NEWS & EVENT
   ===================================================== */
.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.news-card {
    background: var(--charcoal);
    overflow: hidden;
    transition: all 0.3s ease;
}

.news-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
}

.news-card-image {
    height: 200px;
    background: linear-gradient(135deg, var(--smoke), var(--ash));
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.news-card-image::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 50%;
    background: linear-gradient(transparent, var(--charcoal));
}

.news-card-icon {
    font-family: 'Noto Serif JP', serif;
    font-size: 4rem;
    color: var(--crimson);
    opacity: 0.3;
}

.news-card-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: var(--crimson);
    padding: 0.3rem 0.8rem;
    font-size: 0.7rem;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.news-card-content {
    padding: 1.5rem;
}

.news-card-date {
    color: var(--gold);
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
}

.news-card h4 {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 1.4rem;
    letter-spacing: 2px;
    margin-bottom: 0.8rem;
}

.news-card p {
    color: var(--silver);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* =====================================================
   GALLERY
   ===================================================== */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    max-width: 1400px;
    margin: 0 auto;
}

.gallery-item {
    position: relative;
    aspect-ratio: 16/9;
    background: var(--ink);
    overflow: hidden;
}

.gallery-item iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* =====================================================
   DOJO & CLASS
   ===================================================== */
.dojo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.dojo-card {
    background: var(--charcoal);
    overflow: hidden;
    transition: all 0.3s ease;
    border-bottom: 3px solid transparent;
}

.dojo-card:hover {
    border-bottom-color: var(--gold);
    transform: translateY(-5px);
}

.dojo-card-image {
    height: 180px;
    background: linear-gradient(135deg, var(--smoke), var(--ash));
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.dojo-card-icon {
    font-family: 'Noto Serif JP', serif;
    font-size: 5rem;
    color: var(--crimson);
    opacity: 0.3;
}

.dojo-card-content {
    padding: 1.5rem;
}

.dojo-card h4 {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 1.3rem;
    letter-spacing: 2px;
    margin-bottom: 0.5rem;
    color: var(--gold);
}

.dojo-card-teacher {
    color: var(--silver);
    font-size: 0.9rem;
    margin-bottom: 0.8rem;
}

.dojo-card-schedule {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.dojo-card-schedule span {
    background: var(--smoke);
    padding: 0.3rem 0.6rem;
    font-size: 0.75rem;
    color: var(--silver);
    border: 1px solid var(--ash);
}

/* =====================================================
   TECHNICAL SYLLABUS
   ===================================================== */
.syllabus-container {
    max-width: 1200px;
    margin: 0 auto;
}

.belt-system {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
}

.belt-item {
    text-align: center;
    padding: 1rem;
    background: var(--ink);
    min-width: 100px;
    transition: all 0.3s ease;
}

.belt-item:hover {
    transform: translateY(-5px);
}

.belt-color {
    width: 60px;
    height: 15px;
    margin: 0 auto 0.8rem;
    border-radius: 2px;
}

.belt-white { background: linear-gradient(90deg, #f5f5f5, #e0e0e0); }
.belt-orange { background: linear-gradient(90deg, #FF8C00, #FF6600); }
.belt-blue { background: linear-gradient(90deg, #1E90FF, #0066CC); }
.belt-yellow { background: linear-gradient(90deg, #FFD700, #FFA500); }
.belt-green { background: linear-gradient(90deg, #228B22, #006400); }
.belt-brown { background: linear-gradient(90deg, #8B4513, #654321); }
.belt-black { background: linear-gradient(90deg, #1a1a1a, #000); border: 1px solid var(--gold); }

.belt-item span {
    font-size: 0.75rem;
    color: var(--silver);
    display: block;
}

.belt-item strong {
    font-size: 0.9rem;
    color: var(--white);
}

.grading-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 2rem;
}

.grading-table th {
    background: var(--crimson);
    padding: 1rem;
    text-align: left;
    font-family: 'Bebas Neue', sans-serif;
    font-size: 1rem;
    letter-spacing: 1px;
}

.grading-table td {
    padding: 0.8rem 1rem;
    background: var(--ink);
    border-bottom: 1px solid var(--ash);
    font-size: 0.9rem;
    color: var(--silver);
}

.grading-table tr:hover td {
    background: var(--smoke);
}

/* =====================================================
   TERMINOLOGY
   ===================================================== */
.terminology-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.term-card {
    background: var(--charcoal);
    padding: 2rem;
    border-left: 3px solid var(--gold);
}

.term-card h4 {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 1.3rem;
    letter-spacing: 2px;
    color: var(--gold);
    margin-bottom: 1rem;
}

.term-card p {
    color: var(--silver);
    font-size: 0.9rem;
    line-height: 1.7;
}

.term-list {
    list-style: none;
    margin-top: 1rem;
}

.term-list li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--ash);
    font-size: 0.85rem;
    color: var(--silver);
}

.term-list li:last-child { border-bottom: none; }
.term-list strong { color: var(--white); }

/* =====================================================
   CONTACT
   ===================================================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    max-width: 1200px;
    margin: 0 auto;
}

.contact-info h3 {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 2rem;
    letter-spacing: 3px;
    margin-bottom: 2rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.contact-item-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--crimson), var(--blood-red));
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Noto Serif JP', serif;
    font-size: 1.2rem;
    color: var(--white);
    flex-shrink: 0;
}

.contact-item-text h4 {
    font-size: 1rem;
    margin-bottom: 0.3rem;
    color: var(--gold);
}

.contact-item-text p {
    color: var(--silver);
    font-size: 0.9rem;
    line-height: 1.6;
}

.contact-form {
    background: var(--charcoal);
    padding: 2.5rem;
}

.form-group {
    margin-bottom: 1.2rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.4rem;
    font-size: 0.85rem;
    color: var(--gold);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.9rem;
    background: var(--ink);
    border: 1px solid var(--ash);
    color: var(--white);
    font-family: 'Rajdhani', sans-serif;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--gold);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

/* =====================================================
   FOOTER
   ===================================================== */
.footer {
    background: var(--black);
    padding: 4rem 5% 1.5rem;
    border-top: 1px solid var(--ash);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 2.5rem;
    max-width: 1400px;
    margin: 0 auto 2.5rem;
}

.footer-brand .nav-logo {
    margin-bottom: 1.2rem;
}

.footer-brand p {
    color: var(--silver);
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 1.2rem;
}

.footer-social {
    display: flex;
    gap: 0.8rem;
}

.footer-social a {
    width: 38px;
    height: 38px;
    background: var(--charcoal);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--silver);
    text-decoration: none;
    font-size: 0.85rem;
    transition: all 0.3s ease;
}

.footer-social a:hover {
    background: var(--crimson);
    color: var(--white);
}

.footer-column h4 {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 1.2rem;
    letter-spacing: 2px;
    margin-bottom: 1.2rem;
    color: var(--gold);
}

.footer-column ul { list-style: none; }
.footer-column li { margin-bottom: 0.6rem; }

.footer-column a {
    color: var(--silver);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.3s ease;
}

.footer-column a:hover { color: var(--gold); }

.footer-bottom {
    border-top: 1px solid var(--ash);
    padding-top: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    max-width: 1400px;
    margin: 0 auto;
}

.footer-bottom p {
    color: var(--ash);
    font-size: 0.85rem;
}

/* =====================================================
   LOGIN & AUTH
   ===================================================== */
.login-container {
    max-width: 900px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 2.5rem;
    align-items: start;
}

.login-card {
    background: var(--charcoal);
    padding: 2.5rem;
    position: relative;
    overflow: hidden;
}

.login-card-accent {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--crimson), var(--gold));
}

.login-card-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-kanji {
    font-family: 'Noto Serif JP', serif;
    font-size: 3rem;
    color: var(--gold);
    opacity: 0.5;
    display: block;
    margin-bottom: 0.5rem;
}

.login-card-header h3 {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 1.8rem;
    letter-spacing: 3px;
    margin-bottom: 0.5rem;
}

.login-card-header p {
    color: var(--silver);
    font-size: 0.9rem;
}

.login-error {
    background: rgba(139, 0, 0, 0.2);
    border: 1px solid var(--crimson);
    padding: 0.8rem 1rem;
    margin-bottom: 1rem;
}

.login-error p {
    color: #ff6b6b;
    font-size: 0.85rem;
}

.login-footer {
    text-align: center;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--ash);
}

.login-footer p {
    color: var(--silver);
    font-size: 0.85rem;
}

.login-search-card {
    background: var(--ink);
    padding: 2rem;
    border-left: 3px solid var(--gold);
}

.login-search-card h4 {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 1.3rem;
    letter-spacing: 2px;
    color: var(--gold);
    margin-bottom: 0.5rem;
}

.login-search-card p {
    color: var(--silver);
    font-size: 0.85rem;
    margin-bottom: 1rem;
}

.search-results {
    margin-top: 1rem;
    max-height: 320px;
    overflow-y: auto;
}

.search-result-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.7rem 0.8rem;
    background: var(--charcoal);
    margin-bottom: 0.4rem;
    cursor: pointer;
    transition: all 0.2s ease;
    border-left: 2px solid transparent;
}

.search-result-item:hover {
    background: var(--smoke);
    border-left-color: var(--gold);
}

.search-result-name {
    color: var(--white);
    font-size: 0.9rem;
}

.search-result-id {
    font-size: 0.75rem;
    color: var(--gold);
    opacity: 0.7;
}

.search-no-result {
    color: var(--silver);
    font-size: 0.85rem;
    font-style: italic;
    padding: 0.5rem 0;
}

/* Nav Auth Elements */
.nav-auth {
    display: flex;
    align-items: center;
    margin-left: 0.5rem;
}

.nav-login-btn {
    background: transparent;
    color: var(--gold) !important;
    border: 1px solid var(--gold);
    padding: 0.4rem 1.2rem;
    font-family: 'Rajdhani', sans-serif;
    font-weight: 700;
    font-size: 0.8rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.nav-login-btn:hover {
    background: var(--gold);
    color: var(--black) !important;
}

.nav-user-menu {
    position: relative;
}

.nav-user-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: transparent;
    border: 1px solid var(--ash);
    padding: 0.4rem 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    color: var(--white);
    font-family: 'Rajdhani', sans-serif;
    font-weight: 600;
    font-size: 0.85rem;
}

.nav-user-btn:hover {
    border-color: var(--gold);
}

.nav-user-icon {
    font-family: 'Noto Serif JP', serif;
    font-size: 1rem;
    color: var(--gold);
}

.nav-user-name {
    letter-spacing: 1px;
    text-transform: uppercase;
}

.nav-user-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: var(--charcoal);
    border: 1px solid var(--ash);
    min-width: 220px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(5px);
    transition: all 0.2s ease;
    z-index: 200;
}

.nav-user-dropdown.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nav-user-info {
    padding: 1rem;
    border-bottom: 1px solid var(--ash);
}

.nav-user-fullname {
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--white);
    margin-bottom: 0.2rem;
}

.nav-user-id {
    font-size: 0.75rem;
    color: var(--gold);
    opacity: 0.7;
}

.nav-user-profile {
    display: block;
    padding: 0.8rem 1rem;
    color: var(--silver);
    font-family: 'Rajdhani', sans-serif;
    font-weight: 600;
    font-size: 0.85rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    text-decoration: none;
    transition: all 0.2s ease;
    border-bottom: 1px solid var(--ash);
}

.nav-user-profile:hover {
    background: var(--smoke);
    color: var(--gold);
}

.nav-user-logout {
    width: 100%;
    padding: 0.8rem 1rem;
    background: transparent;
    border: none;
    color: var(--silver);
    font-family: 'Rajdhani', sans-serif;
    font-weight: 600;
    font-size: 0.85rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    cursor: pointer;
    text-align: left;
    transition: all 0.2s ease;
}

.nav-user-logout:hover {
    background: var(--crimson);
    color: var(--white);
}

@media (max-width: 768px) {
    .login-container {
        grid-template-columns: 1fr;
    }

    .nav-auth {
        display: none;
    }
}

/* =====================================================
   TOAST NOTIFICATION
   ===================================================== */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: var(--charcoal);
    border-left: 4px solid var(--gold);
    padding: 1rem 2rem;
    z-index: 10000;
    transform: translateX(150%);
    transition: transform 0.3s ease;
}

.toast.show { transform: translateX(0); }
.toast p { color: var(--white); font-size: 0.95rem; }

/* =====================================================
   ANIMATIONS
   ===================================================== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* =====================================================
   RESPONSIVE
   ===================================================== */
@media (max-width: 1024px) {
    .about-grid,
    .contact-grid,
    .kancho-grid {
        grid-template-columns: 1fr;
    }

    .about-image { order: -1; }
    .about-stats { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .nav { padding: 0.8rem 1.5rem; }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 85%;
        height: 100vh;
        background: var(--charcoal);
        flex-direction: column;
        justify-content: flex-start;
        padding-top: 4rem;
        gap: 0;
        transition: right 0.3s ease;
        overflow-y: auto;
    }

    .nav-links.active { right: 0; }

    .nav-links li { width: 100%; }

    .nav-links > li > a {
        display: block;
        padding: 1rem 2rem;
        border-bottom: 1px solid var(--ash);
    }

    .dropdown-content {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        background: var(--smoke);
    }

    .nav-cta { display: none; }
    .mobile-toggle { display: flex; }

    section { padding: 4rem 5%; }
    
    .about-stats { grid-template-columns: repeat(2, 1fr); }
    
    .footer-grid { 
        grid-template-columns: 1fr; 
        text-align: center; 
    }
    
    .footer-social { justify-content: center; }
    
    .footer-bottom { 
        flex-direction: column; 
        text-align: center; 
    }

    .grading-table {
        font-size: 0.8rem;
    }

    .grading-table th,
    .grading-table td {
        padding: 0.6rem 0.5rem;
    }
}