/* ==========================================================================
   Slow Saem (슬로우샘) Speech Portfolio - Premium Stylesheet
   ========================================================================== */

/* Typography & Variables */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Noto+Serif+KR:wght@300;400;600;700&family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400&display=swap');

:root {
    --bg-primary: #0a0e17;      /* Deep luxurious black-blue */
    --bg-secondary: #0f1524;    /* Slate navy-black */
    --bg-card: rgba(21, 30, 52, 0.55); /* Glassmorphism slate card */
    --bg-card-hover: rgba(30, 41, 71, 0.7);
    
    --accent-gold: #c5a880;     /* Refined champagne gold */
    --accent-gold-light: #e2d4bf;
    --accent-gold-dark: #8c7353;
    --accent-gold-glow: rgba(197, 168, 128, 0.15);
    --accent-gold-border: rgba(197, 168, 128, 0.25);
    
    --text-primary: #f8fafc;    /* Crisp off-white */
    --text-secondary: #94a3b8;  /* Soft slate gray */
    --text-muted: #64748b;      /* Darker slate gray */
    
    --font-sans: 'Inter', 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
    --font-serif: 'Playfair Display', 'Noto Serif KR', Georgia, serif;
    
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-fast: all 0.2s ease;
    
    --shadow-premium: 0 20px 40px -15px rgba(0, 0, 0, 0.5);
    --shadow-gold: 0 10px 30px -10px rgba(197, 168, 128, 0.2);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

body {
    font-family: var(--font-sans);
    line-height: 1.6;
    overflow-x: hidden;
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(197, 168, 128, 0.05) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(21, 30, 52, 0.4) 0%, transparent 50%);
    background-attachment: fixed;
    word-break: keep-all;
}

/* Utility Classes */
.serif {
    font-family: var(--font-serif);
}

.text-center { text-align: center; }
.text-gold { color: var(--accent-gold); }

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Scrollbar Customization */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: var(--accent-gold-dark);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent-gold);
}

/* Header & Navigation */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(10, 14, 23, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-smooth);
}

header.scrolled {
    padding: 0.5rem 0;
    background-color: rgba(10, 14, 23, 0.95);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
    transition: var(--transition-smooth);
}

header.scrolled .nav-container {
    height: 65px;
}

.logo {
    display: flex;
    flex-direction: column;
}

.logo-main {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--text-primary);
    text-decoration: none;
    line-height: 1.2;
}

.logo-sub {
    font-size: 0.65rem;
    letter-spacing: 4px;
    color: var(--accent-gold);
    text-transform: uppercase;
    margin-top: 2px;
}

/* Nav Menu */
.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-item a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 1px;
    transition: var(--transition-fast);
    padding: 0.5rem 0;
    position: relative;
    cursor: pointer;
}

.nav-item a:hover,
.nav-item.active a {
    color: var(--accent-gold);
}

.nav-item a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-gold);
    transition: var(--transition-smooth);
}

.nav-item a:hover::after,
.nav-item.active a::after {
    width: 100%;
}

/* CTA Button */
.cta-nav {
    display: inline-block;
    padding: 0.6rem 1.3rem;
    border: 1px solid var(--accent-gold);
    color: var(--accent-gold) !important;
    border-radius: 4px;
    font-size: 0.85rem !important;
    font-weight: 600 !important;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition-smooth) !important;
    box-shadow: 0 0 10px rgba(197, 168, 128, 0.05);
}

.cta-nav:hover {
    background-color: var(--accent-gold);
    color: var(--bg-primary) !important;
    box-shadow: var(--shadow-gold);
}

.cta-nav::after {
    display: none !important;
}

/* Mobile Hamburger Menu */
.hamburger {
    display: none;
    cursor: pointer;
    background: none;
    border: none;
}

.hamburger span {
    display: block;
    width: 25px;
    height: 2px;
    background-color: var(--text-primary);
    margin: 5px 0;
    transition: var(--transition-smooth);
}

/* Main Content Area & Page Tabs Container */
main {
    margin-top: 80px; /* Space for fixed header */
    min-height: calc(100vh - 80px - 250px);
}

/* Page Section (Treated as individual pages) */
.page-section {
    display: none; /* Controlled via JS tab system */
    animation: fadeSlideUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    padding: 5rem 0;
}

.page-section.active {
    display: block;
}

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

/* ==========================================================================
   PAGE 1: HOME & PROFILE
   ========================================================================== */

/* Hero Section */
.hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 4rem 0 6rem 0;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(197, 168, 128, 0.08) 0%, transparent 70%);
    z-index: -1;
    pointer-events: none;
}

.hero-tagline {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 4px;
    color: var(--accent-gold);
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.hero-title {
    font-size: 3.2rem;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

.hero-title span {
    background: linear-gradient(135deg, var(--text-primary) 30%, var(--accent-gold-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-sub {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 800px;
    margin-bottom: 3.5rem;
    font-weight: 300;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
}

.btn-primary, .btn-secondary {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 4px;
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-smooth);
    letter-spacing: 1px;
    cursor: pointer;
}

.btn-primary {
    background-color: var(--accent-gold);
    color: var(--bg-primary);
    border: 1px solid var(--accent-gold);
    box-shadow: var(--shadow-gold);
}

.btn-primary:hover {
    background-color: var(--accent-gold-light);
    border-color: var(--accent-gold-light);
    transform: translateY(-2px);
    box-shadow: 0 15px 30px -5px rgba(197, 168, 128, 0.35);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

/* Profile Section */
.profile-section {
    padding: 6rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.03);
}

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

.section-tag {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--accent-gold);
    font-weight: 600;
    display: block;
    margin-bottom: 0.75rem;
}

.section-title {
    font-size: 2.2rem;
    font-weight: 600;
}

.profile-grid {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: 4rem;
    align-items: center;
}

.profile-image-container {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--accent-gold-border);
    box-shadow: var(--shadow-premium);
    aspect-ratio: 4/5;
    background-color: var(--bg-secondary);
}

.profile-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.profile-image-container:hover .profile-image {
    transform: scale(1.05);
}

.profile-image-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 2rem;
    background: linear-gradient(to top, rgba(10, 14, 23, 0.9) 0%, transparent 100%);
    color: var(--text-primary);
}

.profile-name {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 0.2rem;
}

.profile-title-tag {
    color: var(--accent-gold);
    font-size: 0.9rem;
    letter-spacing: 1px;
}

.profile-details h3 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    line-height: 1.4;
}

.profile-details p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 1.05rem;
}

/* Triple-Competency Grid */
.competency-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 3rem;
}

.competency-card {
    background-color: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-top: 2px solid rgba(255, 255, 255, 0.05);
    padding: 2rem 1.5rem;
    border-radius: 6px;
    transition: var(--transition-smooth);
}

.competency-card:hover {
    transform: translateY(-5px);
    border-top-color: var(--accent-gold);
    box-shadow: var(--shadow-premium);
    background-color: var(--bg-card-hover);
}

.competency-icon {
    font-size: 2rem;
    color: var(--accent-gold);
    margin-bottom: 1.2rem;
}

.competency-title {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.competency-desc {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Resume/Credentials layout inside Profile Details */
.resume-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
    margin-top: 2.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 2rem;
}

.resume-block h4 {
    font-size: 1.1rem;
    color: var(--accent-gold);
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--accent-gold-border);
    padding-bottom: 0.5rem;
    letter-spacing: 1px;
}

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

.resume-list li {
    font-size: 0.92rem;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    position: relative;
    padding-left: 1.2rem;
    line-height: 1.6;
}

.resume-list li::before {
    content: '•';
    color: var(--accent-gold);
    position: absolute;
    left: 0;
    top: 0;
    font-size: 1.1rem;
}

@media (max-width: 768px) {
    .resume-container {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

/* ==========================================================================
   PAGE 2: PROGRAMS (교육 프로그램)
   ========================================================================== */

.programs-intro {
    max-width: 750px;
    margin: -2rem auto 4rem auto;
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.programs-split-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-bottom: 4rem;
}

.program-category-wrapper {
    background-color: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.03);
    border-radius: 12px;
    padding: 3rem 2.5rem;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-premium);
    transition: var(--transition-smooth);
}

.program-category-wrapper:hover {
    border-color: var(--accent-gold-border);
    box-shadow: var(--shadow-gold);
    background-color: var(--bg-card-hover);
}

.program-category-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: var(--text-muted);
    transition: var(--transition-smooth);
}

.program-category-wrapper.cat-speech::before {
    background: linear-gradient(90deg, var(--accent-gold-dark), var(--accent-gold));
}

.program-category-wrapper.cat-communication::before {
    background: linear-gradient(90deg, #5171a5, #8db5e6);
}

.program-category-wrapper.cat-community::before {
    background: linear-gradient(90deg, #3f9b80, #7cd1b8);
}

.program-category-wrapper.cat-ai::before {
    background: linear-gradient(90deg, #00f2fe, #4facfe);
}

.category-icon {
    font-size: 2.8rem;
    margin-bottom: 1.5rem;
    display: inline-block;
}

.category-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.category-subtitle {
    font-size: 0.95rem;
    color: var(--accent-gold);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 2rem;
    font-weight: 500;
}

.category-desc {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 3rem;
    line-height: 1.7;
    height: 70px;
}

/* Sub Program Cards */
.sub-programs-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.sub-program-card {
    background: rgba(10, 14, 23, 0.4);
    border-left: 3px solid var(--accent-gold);
    padding: 1.5rem 1.8rem;
    border-radius: 0 6px 6px 0;
    transition: var(--transition-fast);
}

.program-category-wrapper.cat-communication .sub-program-card {
    border-left-color: #5171a5;
}

.program-category-wrapper.cat-community .sub-program-card {
    border-left-color: #3f9b80;
}

.program-category-wrapper.cat-ai .sub-program-card {
    border-left-color: #00f2fe;
}

.sub-program-card:hover {
    background: rgba(255, 255, 255, 0.03);
}

.sub-program-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.sub-program-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.sub-program-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    list-style: none;
}

.sub-program-features li {
    font-size: 0.78rem;
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    padding: 0.3rem 0.7rem;
    border-radius: 30px;
    border: 1px solid rgba(255, 255, 255, 0.03);
}

.program-category-wrapper.cat-speech .sub-program-features li {
    border-color: rgba(197, 168, 128, 0.15);
    color: var(--accent-gold-light);
}

.program-category-wrapper.cat-communication .sub-program-features li {
    border-color: rgba(141, 181, 230, 0.15);
    color: #b0cbe8;
}

.program-category-wrapper.cat-community .sub-program-features li {
    border-color: rgba(124, 209, 184, 0.15);
    color: #a7e6d4;
}

.program-category-wrapper.cat-ai .sub-program-features li {
    border-color: rgba(0, 242, 254, 0.15);
    color: #a3f7ff;
}

/* ==========================================================================
   PAGE 3: PUBLICATIONS & BOOKS (전자책 및 도서)
   ========================================================================== */

.books-container {
    display: flex;
    flex-direction: column;
    gap: 6rem;
    margin-top: 2rem;
}

.book-row {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
    align-items: center;
}

.book-row:nth-child(even) {
    grid-template-columns: 1.5fr 1fr;
}

.book-row:nth-child(even) .book-mockup-wrapper {
    order: 2;
}

.book-row:nth-child(even) .book-content {
    order: 1;
}

.book-mockup-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.book-mockup-container {
    position: relative;
    width: 280px;
    height: 390px;
    perspective: 1000px;
}

.book-mockup {
    width: 100%;
    height: 100%;
    border-radius: 4px 12px 12px 4px;
    box-shadow: 
        5px 5px 25px rgba(0,0,0,0.6),
        -2px 0 10px rgba(255, 255, 255, 0.1) inset;
    background-color: var(--bg-secondary);
    position: relative;
    transform: rotateY(-12deg);
    transform-style: preserve-3d;
    transition: var(--transition-smooth);
    border: 1px solid rgba(255, 255, 255, 0.05);
    overflow: hidden;
}

.book-mockup-container:hover .book-mockup {
    transform: rotateY(0deg) scale(1.03);
    box-shadow: 10px 15px 35px rgba(0,0,0,0.7);
}

.book-cover-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.book-spine-effect {
    position: absolute;
    top: 0;
    left: 0;
    width: 12px;
    height: 100%;
    background: linear-gradient(to right, rgba(0,0,0,0.4) 0%, rgba(255,255,255,0.1) 40%, rgba(0,0,0,0.2) 60%, transparent 100%);
    z-index: 2;
}

.book-badge {
    position: absolute;
    top: 1.5rem;
    left: -1rem;
    background-color: var(--accent-gold);
    color: var(--bg-primary);
    padding: 0.4rem 1rem;
    font-size: 0.75rem;
    font-weight: 700;
    transform: rotate(-5deg);
    box-shadow: 3px 3px 10px rgba(0,0,0,0.4);
    z-index: 10;
    border-radius: 2px;
    letter-spacing: 1px;
}

.book-content {
    display: flex;
    flex-direction: column;
}

.book-category {
    font-size: 0.8rem;
    color: var(--accent-gold);
    letter-spacing: 2px;
    text-transform: uppercase;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.book-title {
    font-size: 2.2rem;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.book-subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    font-weight: 300;
    margin-bottom: 2rem;
}

.book-description {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 0.95rem;
    line-height: 1.7;
}

.book-highlights {
    list-style: none;
    margin-bottom: 2.5rem;
}

.book-highlights li {
    font-size: 0.9rem;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
}

.book-highlights li::before {
    content: '✓';
    color: var(--accent-gold);
    font-weight: bold;
    margin-right: 10px;
    font-size: 1rem;
}

/* ==========================================================================
   PAGE 4: PRIVATE DIAGNOSTIC & CONTACT
   ========================================================================== */

.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
    margin-top: 3rem;
}

.contact-info-panel {
    background-color: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.03);
    padding: 3rem;
    border-radius: 8px;
    height: fit-content;
    box-shadow: var(--shadow-premium);
}

.contact-info-panel h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.contact-info-panel p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 2.5rem;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 1.8rem;
}

.contact-method-item {
    display: flex;
    align-items: center;
    gap: 1.2rem;
}

.contact-icon-box {
    width: 45px;
    height: 45px;
    background-color: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-gold);
    font-size: 1.2rem;
}

.contact-method-detail h4 {
    font-size: 0.85rem;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 1px;
    margin-bottom: 0.2rem;
}

.contact-method-detail p {
    margin-bottom: 0;
    font-size: 0.95rem;
    color: var(--text-primary);
}

.contact-method-detail a {
    color: var(--accent-gold);
    text-decoration: none;
    transition: var(--transition-fast);
}

.contact-method-detail a:hover {
    color: var(--text-primary);
}

/* Contact / Diagnostic Form */
.form-panel {
    background-color: var(--bg-card);
    border: 1px solid var(--accent-gold-border);
    padding: 3.5rem;
    border-radius: 8px;
    box-shadow: var(--shadow-premium);
    position: relative;
}

.form-panel::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 120px;
    height: 120px;
    background: radial-gradient(circle, rgba(197, 168, 128, 0.05) 0%, transparent 70%);
    pointer-events: none;
}

.form-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.form-subtitle {
    color: var(--accent-gold);
    font-size: 0.88rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 2rem;
    font-weight: 600;
}

.form-group-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    margin-bottom: 1.5rem;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 0.6rem;
    color: var(--text-secondary);
}

.form-control {
    background-color: rgba(10, 14, 23, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    padding: 0.85rem 1.1rem;
    color: var(--text-primary);
    font-size: 0.95rem;
    font-family: var(--font-sans);
    transition: var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-gold);
    box-shadow: 0 0 10px rgba(197, 168, 128, 0.15);
    background-color: rgba(10, 14, 23, 0.8);
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

.select-control {
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml;utf8,<svg fill='%23c5a880' height='24' viewBox='0 0 24 24' width='24' xmlns='http://www.w3.org/2000/svg'><path d='M7 10l5 5 5-5z'/><path d='M0 0h24v24H0z' fill='none'/></svg>");
    background-repeat: no-repeat;
    background-position: right 10px center;
}

/* Success Message Alert */
.form-success-message {
    display: none;
    background-color: rgba(197, 168, 128, 0.1);
    border: 1px solid var(--accent-gold);
    padding: 2rem;
    border-radius: 6px;
    text-align: center;
    animation: fadeIn 0.4s ease forwards;
}

.form-success-icon {
    font-size: 3rem;
    color: var(--accent-gold);
    margin-bottom: 1rem;
}

.form-success-title {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.form-success-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* ==========================================================================
   FOOTER INFO
   ========================================================================== */

footer {
    background-color: #05080e;
    border-top: 1px solid rgba(255, 255, 255, 0.03);
    padding: 4rem 0 3rem 0;
    margin-top: 5rem;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.footer-grid {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2.5rem;
}

.footer-logo {
    display: flex;
    flex-direction: column;
}

.footer-logo-main {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    font-weight: 600;
    letter-spacing: 2px;
    color: var(--text-primary);
}

.footer-logo-sub {
    font-size: 0.6rem;
    letter-spacing: 3px;
    color: var(--accent-gold);
    text-transform: uppercase;
}

.footer-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-fast);
}

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

.footer-copyright {
    border-top: 1px solid rgba(255, 255, 255, 0.02);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-copyright p {
    margin-bottom: 0;
}

/* ==========================================================================
   RESPONSIVE DESIGN (MEDIA QUERIES)
   ========================================================================== */

@media (max-width: 1024px) {
    .container {
        padding: 0 1.5rem;
    }
    .hero-title {
        font-size: 2.6rem;
    }
    .profile-grid {
        gap: 3rem;
    }
    .programs-split-container {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    .book-row, .book-row:nth-child(even) {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    .book-row:nth-child(even) .book-mockup-wrapper {
        order: 2;
    }
    .book-row:nth-child(even) .book-content {
        order: 1;
    }
    .contact-layout {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

@media (max-width: 768px) {
    /* Responsive Header & Menu */
    .logo-main {
        font-size: 1.2rem;
    }
    .logo-sub {
        font-size: 0.55rem;
        letter-spacing: 2px;
    }
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background-color: var(--bg-primary);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 2.5rem;
        transition: var(--transition-smooth);
        z-index: 999;
        border-top: 1px solid rgba(255, 255, 255, 0.05);
    }
    
    header.scrolled .nav-menu {
        top: 65px;
        height: calc(100vh - 65px);
    }

    .nav-menu.active {
        left: 0;
    }

    .hamburger {
        display: block;
    }
    
    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    /* Hero Responsive */
    .hero-title {
        font-size: 2rem;
    }
    .hero-sub {
        font-size: 1.05rem;
        margin-bottom: 2.5rem;
    }
    .hero-buttons {
        flex-direction: column;
        width: 100%;
        max-width: 320px;
        gap: 1rem;
    }
    .btn-primary, .btn-secondary {
        text-align: center;
        width: 100%;
    }

    /* Profile Responsive */
    .profile-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    .profile-image-container {
        max-width: 320px;
        margin: 0 auto;
        aspect-ratio: 1/1;
    }
    .competency-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    /* Programs Responsive */
    .programs-split-container {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    .program-category-wrapper {
        padding: 2.5rem 1.8rem;
    }

    /* Publications Responsive */
    .book-title {
        font-size: 1.8rem;
    }
    .book-mockup-container {
        width: 220px;
        height: 300px;
    }

    /* Form Responsive */
    .form-panel {
        padding: 2rem 1.5rem;
    }
    .form-group-row {
        grid-template-columns: 1fr;
        gap: 0;
    }

    /* Footer Responsive */
    .footer-grid {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }
    .footer-logo {
        align-items: center;
    }
    .footer-links {
        flex-direction: column;
        gap: 1rem;
    }
    .footer-copyright {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

/* Simplified Contact Link Hover Effect */
.contact-box-link:hover {
    background: rgba(197, 168, 128, 0.12) !important;
    border-color: rgba(197, 168, 128, 0.4) !important;
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

@media (max-width: 768px) {
    .contact-card-container {
        padding: 2rem 1.5rem !important;
    }
    .contact-links-grid, .process-grid {
        grid-template-columns: 1fr !important;
        gap: 1.5rem !important;
    }
}