/* ===================================
   ABA Art Lab - Main Stylesheet
   응용행동분석 기반 예술심리교육
   =================================== */

/* ===== CSS VARIABLES ===== */
:root {
    /* Brand Colors */
    --primary: #7c5cbf;
    --primary-dark: #5e3fa3;
    --primary-light: #a07dd4;
    --secondary: #d4a5c9;
    --accent: #f0c3a0;
    --accent2: #b8e6cf;

    /* Neutrals */
    --dark: #1a1a2e;
    --dark2: #16213e;
    --dark3: #0f3460;
    --gray-900: #1c1c2e;
    --gray-800: #2d2d44;
    --gray-700: #3d3d5c;
    --gray-400: #9090b0;
    --gray-300: #c0c0d8;
    --gray-200: #e8e8f4;
    --gray-100: #f5f5fc;
    --white: #ffffff;

    /* Typography */
    --font-main: 'Noto Sans KR', sans-serif;
    --font-display: 'Playfair Display', serif;

    /* Spacing */
    --section-padding: 100px;
    --container-max: 1200px;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-md: 0 8px 30px rgba(0,0,0,0.12);
    --shadow-lg: 0 20px 60px rgba(0,0,0,0.18);
    --shadow-purple: 0 8px 30px rgba(124, 92, 191, 0.3);

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 40px;

    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== RESET & BASE ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-main);
    color: var(--gray-900);
    background: var(--white);
    line-height: 1.7;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul { list-style: none; }

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

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--gray-100); }
::-webkit-scrollbar-thumb { background: var(--primary-light); border-radius: 10px; }

/* ===== CONTAINER ===== */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== SECTION BASE ===== */
.section {
    padding: var(--section-padding) 0;
}

.section-light {
    background: var(--gray-100);
}

.section-dark {
    background: var(--dark);
    color: var(--white);
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--primary);
    background: rgba(124, 92, 191, 0.1);
    padding: 6px 16px;
    border-radius: 50px;
    margin-bottom: 16px;
}

.section-tag.light {
    color: var(--primary-light);
    background: rgba(124, 92, 191, 0.2);
}

.section-title {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 700;
    line-height: 1.3;
    color: var(--dark);
    margin-bottom: 16px;
}

.section-title.light {
    color: var(--white);
}

.section-desc {
    font-size: 1.05rem;
    color: var(--gray-400);
    max-width: 560px;
    margin: 0 auto;
}

.section-desc.light {
    color: var(--gray-300);
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: 50px;
    font-size: 0.95rem;
    font-weight: 600;
    font-family: var(--font-main);
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
    box-shadow: var(--shadow-purple);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(124, 92, 191, 0.45);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.6);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--white);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* ===== HEADER / NAV ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 18px 0;
    transition: var(--transition);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-sm);
    padding: 12px 0;
}

.header.scrolled .nav-logo .logo-main {
    color: var(--dark);
}

.header.scrolled .nav-logo .logo-sub {
    color: var(--gray-400);
}

.header.scrolled .nav-link {
    color: var(--gray-800);
}

.header.scrolled .nav-link:hover {
    color: var(--primary);
}

.header.scrolled .nav-toggle span {
    background: var(--dark);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
}

.nav-logo {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.logo-main {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--white);
    font-family: var(--font-display);
    letter-spacing: 0.02em;
}

.logo-sub {
    font-size: 0.65rem;
    color: rgba(255,255,255,0.7);
    font-weight: 400;
    letter-spacing: 0.05em;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-link {
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.875rem;
    font-weight: 500;
    padding: 8px 14px;
    border-radius: 8px;
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--white);
    background: rgba(255,255,255,0.1);
}

.nav-link.nav-cta {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white) !important;
    padding: 8px 20px;
    border-radius: 50px;
    font-weight: 600;
}

.nav-link.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-purple);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 4px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--white);
    border-radius: 2px;
    transition: var(--transition);
}

.nav-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

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

.hero-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #0f0c29 0%, #302b63 40%, #24243e 70%, #1a1a2e 100%);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse at 20% 50%, rgba(124, 92, 191, 0.35) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 20%, rgba(212, 165, 201, 0.2) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 80%, rgba(184, 230, 207, 0.1) 0%, transparent 50%);
}

.hero-particles {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.particle {
    position: absolute;
    border-radius: 50%;
    animation: float-particle linear infinite;
    opacity: 0.4;
}

@keyframes float-particle {
    0% { transform: translateY(100vh) rotate(0deg); opacity: 0; }
    10% { opacity: 0.4; }
    90% { opacity: 0.4; }
    100% { transform: translateY(-100px) rotate(360deg); opacity: 0; }
}

.hero .container {
    position: relative;
    z-index: 1;
    padding-top: 100px;
    padding-bottom: 60px;
}

.hero-content {
    max-width: 760px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(124, 92, 191, 0.25);
    border: 1px solid rgba(124, 92, 191, 0.5);
    color: var(--primary-light);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    margin-bottom: 28px;
    backdrop-filter: blur(10px);
}

.hero-title {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 28px;
}

.title-en {
    font-family: var(--font-display);
    font-size: clamp(3rem, 8vw, 5.5rem);
    font-weight: 600;
    color: var(--white);
    line-height: 1;
    letter-spacing: -0.02em;
}

.title-ko {
    font-size: clamp(1.2rem, 3vw, 1.7rem);
    font-weight: 400;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.5;
}

.hero-desc {
    font-size: clamp(0.95rem, 2vw, 1.1rem);
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 32px;
    line-height: 1.8;
}

.hero-targets {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.target-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    color: rgba(255,255,255,0.85);
    padding: 8px 18px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 500;
    backdrop-filter: blur(10px);
}

.hero-cta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 64px;
}

.hero-scroll {
    display: flex;
    align-items: center;
    gap: 12px;
    color: rgba(255,255,255,0.4);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.scroll-line {
    width: 48px;
    height: 1px;
    background: rgba(255,255,255,0.3);
    position: relative;
    overflow: hidden;
}

.scroll-line::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--primary-light);
    animation: scroll-line-anim 2s ease-in-out infinite;
}

@keyframes scroll-line-anim {
    0% { left: -100%; }
    100% { left: 100%; }
}

/* ===== ABOUT SECTION ===== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
}

.about-subtitle {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 20px;
}

.about-text {
    color: var(--gray-700);
    margin-bottom: 16px;
    line-height: 1.8;
}

.about-text strong {
    color: var(--primary-dark);
    font-weight: 600;
}

.about-values {
    margin-top: 32px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.value-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.value-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.1rem;
    flex-shrink: 0;
}

.value-text h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 4px;
}

.value-text p {
    font-size: 0.875rem;
    color: var(--gray-400);
    line-height: 1.5;
}

.about-visual {
    position: sticky;
    top: 100px;
}

.about-card-wrap {
    background: linear-gradient(135deg, var(--dark) 0%, var(--dark3) 100%);
    border-radius: var(--radius-lg);
    padding: 40px;
    color: var(--white);
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.about-card-wrap::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -30%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(124, 92, 191, 0.3), transparent 70%);
    pointer-events: none;
}

.about-stat-card {
    text-align: center;
    margin-bottom: 32px;
    position: relative;
    z-index: 1;
}

.stat-circle {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto 16px;
    box-shadow: 0 8px 30px rgba(124, 92, 191, 0.4);
}

.about-stat-card h3 {
    font-size: 2rem;
    font-weight: 800;
    font-family: var(--font-display);
    margin-bottom: 8px;
}

.about-stat-card p {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.6);
    line-height: 1.4;
}

.about-keywords {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
    position: relative;
    z-index: 1;
}

.keyword {
    display: inline-block;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.15);
    color: rgba(255,255,255,0.85);
    padding: 6px 14px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 500;
    transition: var(--transition);
}

.keyword:hover {
    background: rgba(124, 92, 191, 0.3);
    border-color: rgba(124, 92, 191, 0.5);
}

/* ===== WHY SECTION ===== */
.why-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.why-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: 32px;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.why-card:hover {
    background: rgba(124, 92, 191, 0.15);
    border-color: rgba(124, 92, 191, 0.3);
    transform: translateY(-4px);
}

.why-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: var(--white);
    margin-bottom: 20px;
}

.why-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 12px;
}

.why-card p {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.65);
    line-height: 1.7;
}

/* ===== DIFFERENTIATORS ===== */
.diff-list {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.diff-item {
    display: grid;
    grid-template-columns: 80px 1fr 64px;
    gap: 32px;
    align-items: center;
    padding: 40px 0;
    border-bottom: 1px solid var(--gray-200);
    transition: var(--transition);
}

.diff-item:last-child { border-bottom: none; }

.diff-item:hover {
    background: linear-gradient(to right, rgba(124, 92, 191, 0.04), transparent);
    padding-left: 16px;
    margin-left: -16px;
    border-radius: var(--radius-sm);
}

.diff-num {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 400;
    color: var(--gray-200);
    line-height: 1;
}

.diff-item:hover .diff-num {
    color: var(--primary-light);
}

.diff-content h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 8px;
}

.diff-content p {
    font-size: 0.9rem;
    color: var(--gray-700);
    line-height: 1.7;
}

.diff-content p strong {
    color: var(--primary-dark);
    font-weight: 600;
}

.diff-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--white);
    box-shadow: var(--shadow-purple);
    flex-shrink: 0;
}

/* ===== PROGRAMS SECTION ===== */
.program-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 48px;
    flex-wrap: wrap;
    justify-content: center;
}

.tab-btn {
    padding: 10px 24px;
    border: 2px solid var(--gray-200);
    background: var(--white);
    color: var(--gray-400);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    font-family: var(--font-main);
    cursor: pointer;
    transition: var(--transition);
}

.tab-btn:hover {
    border-color: var(--primary-light);
    color: var(--primary);
}

.tab-btn.active {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
    border-color: transparent;
    box-shadow: var(--shadow-purple);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeInUp 0.4s ease;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.program-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.program-card {
    background: var(--white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.program-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-light);
}

.program-card.featured {
    border-color: transparent;
}

.program-icon-wrap {
    padding: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: var(--white);
    min-height: 120px;
}

.program-body {
    padding: 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.program-tag {
    display: inline-block;
    background: rgba(124, 92, 191, 0.1);
    color: var(--primary);
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.program-body h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 10px;
}

.program-body p {
    font-size: 0.875rem;
    color: var(--gray-700);
    line-height: 1.7;
    flex: 1;
}

.program-meta {
    display: flex;
    gap: 16px;
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--gray-200);
}

.program-meta span {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    color: var(--gray-400);
    font-weight: 500;
}

.program-meta i {
    color: var(--primary);
}

/* ===== LONG TERM CURRICULUM ===== */
.longterm-wrap {
    max-width: 800px;
    margin: 0 auto;
}

.longterm-intro {
    text-align: center;
    margin-bottom: 48px;
    padding: 40px;
    background: linear-gradient(135deg, rgba(124, 92, 191, 0.08), rgba(212, 165, 201, 0.08));
    border-radius: var(--radius-lg);
    border: 1px solid rgba(124, 92, 191, 0.15);
}

.longterm-intro h3 {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 12px;
}

.longterm-intro p {
    color: var(--gray-700);
    line-height: 1.8;
    margin-bottom: 24px;
}

.longterm-tags {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

.longterm-tags span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.875rem;
    color: var(--primary-dark);
    font-weight: 600;
}

.longterm-tags i {
    color: var(--primary);
}

/* Timeline */
.curriculum-timeline {
    position: relative;
}

.curriculum-timeline::before {
    content: '';
    position: absolute;
    left: 44px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--primary-light), var(--secondary));
}

.timeline-item {
    display: grid;
    grid-template-columns: 90px 1fr;
    gap: 24px;
    margin-bottom: 32px;
    position: relative;
    align-items: flex-start;
}

.timeline-item.last { margin-bottom: 0; }

.timeline-num {
    width: 90px;
    height: 44px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
    border-radius: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    position: relative;
    z-index: 1;
    flex-shrink: 0;
}

.timeline-content {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    padding: 20px 24px;
    transition: var(--transition);
}

.timeline-content:hover {
    border-color: var(--primary-light);
    box-shadow: var(--shadow-sm);
}

.timeline-content h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 6px;
}

.timeline-content p {
    font-size: 0.875rem;
    color: var(--gray-700);
    line-height: 1.6;
}

/* ===== PROCESS STEPS ===== */
.process-steps {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 0;
    position: relative;
}

.process-step {
    text-align: center;
    position: relative;
    padding: 0 16px;
}

.step-circle {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: var(--white);
    margin: 0 auto 20px;
    position: relative;
    z-index: 1;
    box-shadow: var(--shadow-purple);
}

.step-num {
    position: absolute;
    bottom: -6px;
    right: -6px;
    width: 22px;
    height: 22px;
    background: var(--white);
    color: var(--primary);
    border-radius: 50%;
    font-size: 0.65rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--primary);
}

.step-connector {
    position: absolute;
    top: 36px;
    left: calc(50% + 36px);
    right: calc(-50% + 36px);
    height: 2px;
    background: linear-gradient(to right, var(--primary-light), var(--secondary));
}

.process-step:last-child .step-connector { display: none; }

.process-step h4 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 8px;
}

.process-step p {
    font-size: 0.8rem;
    color: var(--gray-400);
    line-height: 1.5;
}

/* ===== INSTRUCTOR SECTION ===== */
.instructor-wrap {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 64px;
    align-items: start;
}

.instructor-visual {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.instructor-img-frame {
    width: 220px;
    height: 220px;
    border-radius: 50%;
    overflow: hidden;
    border: 4px solid var(--primary-light);
    box-shadow: 0 0 0 8px rgba(124, 92, 191, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--dark2), var(--dark3));
}

.instructor-placeholder {
    font-size: 6rem;
    color: rgba(124, 92, 191, 0.5);
}

.instructor-name-card {
    text-align: center;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: var(--radius-md);
    padding: 16px 32px;
    backdrop-filter: blur(10px);
}

.instructor-name-card h3 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 4px;
}

.instructor-name-card p {
    font-size: 0.8rem;
    color: var(--primary-light);
    font-weight: 500;
}

.instructor-title {
    margin-bottom: 28px;
}

.instructor-title h3 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 8px;
}

.instructor-title span {
    font-size: 0.9rem;
    color: var(--primary-light);
    font-weight: 500;
}

.instructor-career {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 28px;
}

.career-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.career-item i {
    color: var(--primary-light);
    margin-top: 3px;
    font-size: 0.85rem;
    flex-shrink: 0;
}

.career-item p {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.5;
}

.instructor-philosophy {
    background: rgba(124, 92, 191, 0.15);
    border-left: 3px solid var(--primary-light);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    padding: 20px 24px;
    margin-bottom: 24px;
}

.instructor-philosophy blockquote {
    font-size: 0.95rem;
    color: rgba(255,255,255,0.85);
    font-style: italic;
    line-height: 1.8;
    margin-bottom: 8px;
    font-family: var(--font-display);
}

.instructor-philosophy cite {
    font-size: 0.8rem;
    color: var(--primary-light);
    font-style: normal;
}

.blog-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
    padding: 12px 24px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    transition: var(--transition);
    box-shadow: var(--shadow-purple);
}

.blog-link:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(124, 92, 191, 0.45);
}

/* ===== HISTORY / STATS ===== */
.history-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    margin-top: 32px;
}

.history-stat {
    text-align: center;
    padding: 40px 24px;
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    transition: var(--transition);
}

.history-stat:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-light);
}

.stat-num {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 800;
    font-family: var(--font-display);
    color: var(--primary);
    line-height: 1;
    margin-bottom: 12px;
}

.stat-num span {
    font-size: 1.5rem;
}

.history-stat p {
    font-size: 0.9rem;
    color: var(--gray-400);
    font-weight: 500;
}

/* ===== CLIENTS SECTION ===== */
.client-categories {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-bottom: 48px;
}

.client-cat {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: 32px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    transition: var(--transition);
}

.client-cat:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-light);
}

.cat-icon {
    width: 52px;
    height: 52px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: var(--white);
    margin-bottom: 20px;
}

.client-cat h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 16px;
}

.client-cat ul {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.client-cat li {
    font-size: 0.875rem;
    color: var(--gray-700);
    padding-left: 16px;
    position: relative;
}

.client-cat li::before {
    content: '·';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-size: 1.2rem;
    line-height: 1.3;
}

.client-logos {
    overflow: hidden;
    padding: 8px 0;
}

.logo-scroll-wrap {
    display: flex;
    gap: 24px;
    animation: logo-scroll 20s linear infinite;
    width: max-content;
}

.logo-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    min-width: 120px;
    padding: 24px;
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    font-size: 0.8rem;
    color: var(--gray-700);
    font-weight: 500;
}

.logo-item i {
    font-size: 1.5rem;
    color: var(--primary);
}

@keyframes logo-scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* ===== CONTACT SECTION ===== */
.contact-wrap {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 48px;
    align-items: start;
}

.contact-card {
    background: linear-gradient(135deg, var(--dark) 0%, var(--dark3) 100%);
    border-radius: var(--radius-lg);
    padding: 40px;
    color: var(--white);
}

.contact-card h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.contact-card > p {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.65);
    line-height: 1.7;
    margin-bottom: 28px;
}

.contact-details {
    margin-bottom: 28px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.contact-item > i {
    width: 36px;
    height: 36px;
    background: rgba(124, 92, 191, 0.25);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    color: var(--primary-light);
    flex-shrink: 0;
}

.contact-item div span {
    display: block;
    font-size: 0.7rem;
    color: rgba(255,255,255,0.4);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 2px;
}

.contact-item div a,
.contact-item div p {
    font-size: 0.875rem;
    color: rgba(255,255,255,0.8);
}

.contact-item div a:hover { color: var(--primary-light); }

/* Contact Form */
.contact-form-wrap {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
}

.contact-form h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 28px;
}

.form-group {
    margin-bottom: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 6px;
}

input, select, textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1.5px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-family: var(--font-main);
    color: var(--dark);
    background: var(--gray-100);
    transition: var(--transition);
    outline: none;
}

input:focus, select:focus, textarea:focus {
    border-color: var(--primary);
    background: var(--white);
    box-shadow: 0 0 0 3px rgba(124, 92, 191, 0.1);
}

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

/* ===== FOOTER ===== */
.footer {
    background: var(--dark);
    color: rgba(255,255,255,0.7);
    padding: 64px 0 0;
}

.footer-wrap {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--white);
    font-family: var(--font-display);
    margin-bottom: 12px;
}

.footer-brand p {
    font-size: 0.875rem;
    line-height: 1.7;
    margin-bottom: 20px;
}

.footer-social {
    display: flex;
    gap: 10px;
}

.footer-social a {
    width: 36px;
    height: 36px;
    background: rgba(255,255,255,0.08);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    transition: var(--transition);
}

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

.footer-links h4,
.footer-programs h4,
.footer-contact h4 {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--white);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 16px;
}

.footer-links ul,
.footer-programs ul,
.footer-contact ul {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.footer-links li a,
.footer-programs li a {
    font-size: 0.875rem;
    color: rgba(255,255,255,0.55);
    transition: var(--transition);
}

.footer-links li a:hover,
.footer-programs li a:hover {
    color: var(--primary-light);
    padding-left: 4px;
}

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.875rem;
}

.footer-contact i {
    color: var(--primary-light);
    margin-top: 2px;
    font-size: 0.8rem;
    flex-shrink: 0;
}

.footer-contact a {
    color: rgba(255,255,255,0.55);
    transition: var(--transition);
}

.footer-contact a:hover { color: var(--primary-light); }

.footer-bottom {
    padding: 20px 0;
    text-align: center;
}

.footer-bottom p {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.3);
}

/* ===== SCROLL TO TOP ===== */
.scroll-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
    border: none;
    border-radius: 50%;
    font-size: 1rem;
    cursor: pointer;
    box-shadow: var(--shadow-purple);
    transition: var(--transition);
    opacity: 0;
    visibility: hidden;
    transform: translateY(16px);
    z-index: 999;
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-top:hover {
    transform: translateY(-4px);
}

/* ===== TOAST ===== */
.toast {
    position: fixed;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%) translateY(16px);
    background: var(--dark);
    color: var(--white);
    padding: 14px 28px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 9999;
    white-space: nowrap;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(124, 92, 191, 0.3);
}

.toast.show {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.toast.success { border-color: rgba(56, 239, 125, 0.4); }
.toast.error { border-color: rgba(239, 68, 68, 0.4); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    :root { --section-padding: 80px; }
    
    .about-grid { grid-template-columns: 1fr; gap: 40px; }
    .about-visual { position: static; }
    
    .why-grid { grid-template-columns: repeat(2, 1fr); }
    
    .diff-item { grid-template-columns: 60px 1fr 56px; gap: 24px; }
    
    .process-steps { grid-template-columns: repeat(3, 1fr); gap: 24px; }
    .step-connector { display: none; }
    
    .instructor-wrap { grid-template-columns: 240px 1fr; gap: 48px; }
    
    .history-stats { grid-template-columns: repeat(2, 1fr); }
    
    .footer-wrap { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
    :root { --section-padding: 64px; }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: rgba(26, 26, 46, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        align-items: flex-start;
        padding: 80px 32px 32px;
        gap: 8px;
        transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: 1001;
    }
    
    .nav-menu.open { right: 0; }
    
    .nav-link {
        width: 100%;
        font-size: 1rem;
        padding: 12px 16px;
    }
    
    .nav-toggle { display: flex; z-index: 1002; }
    
    .hero-cta { flex-direction: column; }
    .hero-cta .btn { width: fit-content; }
    
    .why-grid { grid-template-columns: 1fr; gap: 16px; }
    
    .diff-item { 
        grid-template-columns: 1fr;
        gap: 12px;
    }
    .diff-num { font-size: 2rem; }
    .diff-icon { display: none; }
    
    .program-grid { grid-template-columns: 1fr; }
    
    .process-steps { grid-template-columns: 1fr 1fr; }
    
    .instructor-wrap { grid-template-columns: 1fr; }
    .instructor-career { grid-template-columns: 1fr; }
    
    .history-stats { grid-template-columns: repeat(2, 1fr); gap: 16px; }
    
    .client-categories { grid-template-columns: 1fr; gap: 16px; }
    
    .contact-wrap { grid-template-columns: 1fr; gap: 32px; }
    .form-row { grid-template-columns: 1fr; }
    
    .footer-wrap { grid-template-columns: 1fr; gap: 32px; }
    
    .timeline-item { grid-template-columns: 80px 1fr; }
    .curriculum-timeline::before { left: 40px; }
}

@media (max-width: 480px) {
    :root { --section-padding: 48px; }
    
    .container { padding: 0 16px; }
    
    .hero-targets { gap: 8px; }
    .target-tag { font-size: 0.8rem; padding: 6px 14px; }
    
    .section-title { font-size: 1.6rem; }
    
    .history-stats { grid-template-columns: 1fr 1fr; }
    
    .process-steps { grid-template-columns: 1fr; }
    
    .diff-item { padding: 24px 0; }
    
    .contact-form-wrap,
    .contact-card { padding: 24px; }
    
    .instructor-img-frame { width: 160px; height: 160px; }
    
    .program-tabs { gap: 6px; }
    .tab-btn { padding: 8px 16px; font-size: 0.8rem; }
}

/* ===== UTILITY CLASSES ===== */
.text-center { text-align: center; }
.text-primary { color: var(--primary); }
.mt-auto { margin-top: auto; }

/* ===================================
   DIAGNOSIS SECTION — CPTI & PESUN
   =================================== */

/* Keyword highlight for diagnosis */
.keyword.keyword-diag {
    background: linear-gradient(135deg, rgba(124, 92, 191, 0.25), rgba(99, 179, 237, 0.2));
    border: 1px solid rgba(124, 92, 191, 0.4);
    color: #c4a8ff;
    font-weight: 600;
    animation: keyword-pulse 3s ease-in-out infinite;
}

@keyframes keyword-pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(124, 92, 191, 0); }
    50% { box-shadow: 0 0 12px 3px rgba(124, 92, 191, 0.25); }
}

/* Diagnosis section background */
.diagnosis {
    background: linear-gradient(160deg, #f8f6ff 0%, #eef6ff 50%, #f6eeff 100%);
    position: relative;
    overflow: hidden;
}

.diagnosis::before {
    content: '';
    position: absolute;
    top: -200px;
    right: -200px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(124,92,191,0.07) 0%, transparent 70%);
    pointer-events: none;
}

.diagnosis::after {
    content: '';
    position: absolute;
    bottom: -150px;
    left: -150px;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(99,179,237,0.06) 0%, transparent 70%);
    pointer-events: none;
}

/* ===== BANNER ===== */
.diag-banner {
    background: linear-gradient(135deg, var(--dark) 0%, #1a103a 50%, #0d1f3c 100%);
    border-radius: var(--radius-lg);
    padding: 48px 56px;
    margin-bottom: 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 48px;
    position: relative;
    overflow: hidden;
}

.diag-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse at 10% 50%, rgba(124,92,191,0.3) 0%, transparent 50%),
        radial-gradient(ellipse at 90% 30%, rgba(99,179,237,0.15) 0%, transparent 50%);
    pointer-events: none;
}

.diag-banner-text {
    position: relative;
    z-index: 1;
    flex: 1;
}

.diag-banner-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(124,92,191,0.25);
    border: 1px solid rgba(124,92,191,0.5);
    color: #c4a8ff;
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    margin-bottom: 16px;
}

.diag-banner-text h3 {
    font-size: clamp(1.3rem, 2.5vw, 1.7rem);
    font-weight: 700;
    color: var(--white);
    margin-bottom: 12px;
    line-height: 1.4;
}

.diag-banner-text p {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.65);
    line-height: 1.8;
}

.diag-banner-text strong {
    color: #c4a8ff;
}

/* Flow icons */
.diag-banner-icons {
    display: flex;
    align-items: center;
    gap: 12px;
    position: relative;
    z-index: 1;
    flex-shrink: 0;
}

.diag-flow-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.diag-flow-circle {
    width: 60px;
    height: 60px;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: #c4a8ff;
    transition: var(--transition);
}

.diag-flow-circle:hover {
    background: rgba(124,92,191,0.3);
    border-color: rgba(124,92,191,0.5);
    transform: translateY(-3px);
}

.diag-flow-item span {
    font-size: 0.7rem;
    color: rgba(255,255,255,0.55);
    font-weight: 500;
    white-space: nowrap;
}

.diag-flow-arrow {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.25);
    margin-bottom: 20px;
}

/* ===== DIAGNOSIS CARDS GRID ===== */
.diag-cards-wrap {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    margin-bottom: 40px;
}

.diag-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    background: var(--white);
    display: flex;
    flex-direction: column;
    transition: var(--transition);
    border: 1px solid transparent;
    position: relative;
}

.cpti-card {
    border-color: rgba(124, 92, 191, 0.2);
}

.cpti-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 24px 64px rgba(124, 92, 191, 0.18);
    border-color: rgba(124, 92, 191, 0.4);
}

.pesun-card {
    border-color: rgba(59, 130, 246, 0.2);
}

.pesun-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 24px 64px rgba(59, 130, 246, 0.18);
    border-color: rgba(59, 130, 246, 0.4);
}

/* Card Header */
.diag-card-header {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 28px 32px;
}

.cpti-card .diag-card-header {
    background: linear-gradient(135deg, #3d1a78 0%, #7c5cbf 100%);
}

.pesun-card .diag-card-header {
    background: linear-gradient(135deg, #1a3a6b 0%, #3b82f6 100%);
}

.diag-logo-wrap {
    width: 72px;
    height: 72px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    background: rgba(255,255,255,0.15);
    border: 2px solid rgba(255,255,255,0.25);
}

.diag-acronym {
    font-size: 1.1rem;
    font-weight: 900;
    color: var(--white);
    letter-spacing: 0.05em;
    font-family: var(--font-display);
}

.diag-title-wrap .diag-label {
    display: inline-block;
    background: rgba(255,255,255,0.18);
    color: rgba(255,255,255,0.9);
    padding: 3px 12px;
    border-radius: 50px;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-bottom: 6px;
}

.diag-title-wrap h3 {
    font-size: 2rem;
    font-weight: 900;
    color: var(--white);
    line-height: 1;
    margin-bottom: 4px;
    font-family: var(--font-display);
    letter-spacing: 0.04em;
}

.diag-fullname {
    font-size: 0.72rem;
    color: rgba(255,255,255,0.65);
    line-height: 1.4;
}

/* Card Body */
.diag-card-body {
    padding: 28px 32px;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.diag-desc {
    font-size: 0.9rem;
    color: var(--gray-700);
    line-height: 1.8;
}

.diag-desc strong {
    color: var(--primary-dark);
    font-weight: 600;
}

.pesun-card .diag-desc strong {
    color: #2563eb;
}

/* Type Grid (CPTI) */
.diag-types {
    background: var(--gray-100);
    border-radius: var(--radius-md);
    padding: 20px;
}

.diag-type-title {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--gray-700);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.diag-type-title i {
    color: var(--primary);
}

.pesun-card .diag-type-title i {
    color: #3b82f6;
}

.diag-type-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.diag-type-item {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--white);
    border-radius: var(--radius-sm);
    padding: 12px 14px;
    border-left: 3px solid transparent;
    transition: var(--transition);
}

.diag-type-item:hover {
    transform: translateX(3px);
    box-shadow: var(--shadow-sm);
}

.cpti-type-1 { border-left-color: #8b5cf6; }
.cpti-type-2 { border-left-color: #f59e0b; }
.cpti-type-3 { border-left-color: #3b82f6; }
.cpti-type-4 { border-left-color: #10b981; }

.type-letter {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    font-weight: 800;
    color: var(--white);
    flex-shrink: 0;
}

.cpti-type-1 .type-letter { background: linear-gradient(135deg, #8b5cf6, #6d28d9); }
.cpti-type-2 .type-letter { background: linear-gradient(135deg, #f59e0b, #d97706); }
.cpti-type-3 .type-letter { background: linear-gradient(135deg, #3b82f6, #2563eb); }
.cpti-type-4 .type-letter { background: linear-gradient(135deg, #10b981, #059669); }

.diag-type-item div strong {
    display: block;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 2px;
}

.diag-type-item div p {
    font-size: 0.75rem;
    color: var(--gray-400);
    line-height: 1.3;
}

/* PESUN Areas */
.pesun-areas {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.pesun-area-item {
    display: flex;
    align-items: center;
    gap: 14px;
    background: var(--white);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    transition: var(--transition);
}

.pesun-area-item:hover {
    transform: translateX(4px);
    box-shadow: var(--shadow-sm);
}

.pesun-area-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.1rem;
    color: var(--white);
    flex-shrink: 0;
}

.pesun-p { background: linear-gradient(135deg, #8b5cf6, #6d28d9); }
.pesun-e { background: linear-gradient(135deg, #f59e0b, #d97706); }
.pesun-s { background: linear-gradient(135deg, #10b981, #059669); }
.pesun-u { background: linear-gradient(135deg, #3b82f6, #2563eb); }
.pesun-n { background: linear-gradient(135deg, #ec4899, #db2777); }

.pesun-area-info strong {
    display: block;
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 2px;
}

.pesun-area-info p {
    font-size: 0.775rem;
    color: var(--gray-400);
    line-height: 1.3;
}

/* Features */
.diag-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.diag-feat {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.825rem;
    color: var(--gray-700);
    font-weight: 500;
}

.cpti-card .diag-feat i { color: var(--primary); }
.pesun-card .diag-feat i { color: #3b82f6; }

/* Meta row */
.diag-meta-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    padding: 16px;
    background: var(--gray-100);
    border-radius: var(--radius-md);
}

.diag-meta-item {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.diag-meta-item > i {
    font-size: 1.1rem;
    margin-bottom: 2px;
}

.cpti-card .diag-meta-item > i { color: var(--primary); }
.pesun-card .diag-meta-item > i { color: #3b82f6; }

.diag-meta-item span {
    font-size: 0.7rem;
    color: var(--gray-400);
    font-weight: 500;
}

.diag-meta-item strong {
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--dark);
}

/* Card Footer */
.diag-card-footer {
    padding: 20px 32px 28px;
}

.diag-cta-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 14px 24px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 700;
    font-family: var(--font-main);
    cursor: pointer;
    border: none;
    transition: var(--transition);
    text-decoration: none;
}

.cpti-btn {
    background: linear-gradient(135deg, #7c5cbf, #5e3fa3);
    color: var(--white);
    box-shadow: 0 6px 20px rgba(124, 92, 191, 0.3);
}

.cpti-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(124, 92, 191, 0.45);
    color: var(--white);
}

.pesun-btn {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: var(--white);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.3);
}

.pesun-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(59, 130, 246, 0.45);
    color: var(--white);
}

/* ===== COMBO PACKAGE ===== */
.diag-combo {
    background: linear-gradient(135deg, #1a0d30 0%, #0d1b35 100%);
    border-radius: var(--radius-lg);
    padding: 40px 48px;
    display: flex;
    align-items: center;
    gap: 40px;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.08);
}

.diag-combo::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 0% 50%, rgba(124,92,191,0.25) 0%, transparent 50%),
        radial-gradient(ellipse at 100% 50%, rgba(59,130,246,0.2) 0%, transparent 50%);
    pointer-events: none;
}

.combo-badge {
    position: absolute;
    top: -1px;
    right: 48px;
    background: linear-gradient(135deg, var(--primary), #3b82f6);
    color: var(--white);
    font-size: 0.72rem;
    font-weight: 700;
    padding: 6px 16px;
    border-radius: 0 0 12px 12px;
    display: flex;
    align-items: center;
    gap: 6px;
    letter-spacing: 0.04em;
}

.combo-content {
    flex: 1;
    position: relative;
    z-index: 1;
}

.combo-content h3 {
    font-size: clamp(1.2rem, 2.5vw, 1.5rem);
    font-weight: 700;
    color: var(--white);
    margin-bottom: 10px;
    line-height: 1.4;
}

.combo-cpti {
    color: #c4a8ff;
    font-family: var(--font-display);
}

.combo-pesun {
    color: #93c5fd;
    font-family: var(--font-display);
}

.combo-content p {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.6);
    line-height: 1.7;
    margin-bottom: 16px;
}

.combo-content strong {
    color: rgba(255,255,255,0.9);
}

.combo-tags {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.combo-tags span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    color: rgba(255,255,255,0.7);
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    padding: 5px 14px;
    border-radius: 50px;
    font-weight: 500;
}

.combo-tags i { color: #c4a8ff; }

.diag-combo .btn {
    position: relative;
    z-index: 1;
    flex-shrink: 0;
    white-space: nowrap;
}

/* ===== RESPONSIVE — DIAGNOSIS ===== */
@media (max-width: 1024px) {
    .diag-banner {
        flex-direction: column;
        padding: 36px 40px;
        gap: 32px;
    }
    .diag-banner-icons {
        width: 100%;
        justify-content: center;
    }
    .diag-combo {
        flex-direction: column;
        gap: 28px;
        padding: 48px 32px 32px;
    }
    .diag-combo .btn { width: 100%; justify-content: center; }
}

@media (max-width: 768px) {
    .diag-cards-wrap {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    .diag-banner { padding: 28px 24px; }
    .diag-banner-text h3 { font-size: 1.2rem; }
    .diag-flow-arrow { display: none; }
    .diag-banner-icons { gap: 16px; }
    .diag-type-grid { grid-template-columns: 1fr; }
    .diag-features { grid-template-columns: 1fr; }
    .diag-meta-row { grid-template-columns: repeat(3, 1fr); }
    .diag-card-header { padding: 20px 24px; }
    .diag-card-body { padding: 20px 24px; }
    .diag-card-footer { padding: 12px 24px 24px; }
}

@media (max-width: 480px) {
    .diag-meta-row { grid-template-columns: 1fr; }
    .diag-combo { padding: 48px 20px 24px; }
    .combo-badge { right: 24px; }
}