/* ============================================================
   COMPONENTS.CSS — All Section & Component Styles
   The Silverlocks Compass — Author Website
   ============================================================ */

/* ============================================================
   NAVIGATION
   ============================================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: var(--z-fixed);
    padding: var(--space-md) 0;
    transition: all var(--transition-base);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(10, 26, 51, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: var(--space-sm) 0;
    box-shadow: 0 2px 30px rgba(0, 0, 0, 0.3);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: var(--container-xl);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: var(--fw-bold);
    color: var(--text-white);
    z-index: 10;
}

.brand-icon {
    font-size: 1.5rem;
    color: var(--accent-emerald);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav-link {
    font-family: var(--font-label);
    font-size: var(--fs-body-sm);
    font-weight: var(--fw-medium);
    color: var(--text-light);
    letter-spacing: var(--ls-wide);
    position: relative;
    padding: var(--space-xs) 0;
    transition: color var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-emerald);
    transition: width var(--transition-base);
    border-radius: var(--radius-full);
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-white);
}

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

/* Hamburger */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-xs);
    z-index: 10;
}

.hamburger-line {
    display: block;
    width: 26px;
    height: 2px;
    background: var(--text-white);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

.nav-toggle.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

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

.nav-toggle.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-hero);
    overflow: hidden;
    padding: var(--space-4xl) var(--space-lg);
}

.hero-bg-pattern {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
}

/* Crystals */
.crystal {
    position: absolute;
    pointer-events: none;
    z-index: 1;
}

.crystal-1 {
    width: 120px; height: 120px;
    top: 15%; left: 8%;
    background: var(--accent-emerald);
    clip-path: polygon(50% 0%, 100% 38%, 82% 100%, 18% 100%, 0% 38%);
    opacity: 0.5;
    animation: crystalFloat1 12s ease-in-out infinite, crystalGlow 4s ease-in-out infinite;
}

.crystal-2 {
    width: 80px; height: 80px;
    top: 25%; right: 12%;
    background: var(--accent-crimson);
    clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
    opacity: 0.45;
    animation: crystalFloat2 10s ease-in-out infinite, crystalGlow 5s ease-in-out infinite 1s;
}

.crystal-3 {
    width: 60px; height: 60px;
    bottom: 30%; left: 5%;
    background: var(--accent-gold);
    clip-path: polygon(50% 0%, 100% 100%, 0% 100%);
    opacity: 0.5;
    animation: crystalFloat1 14s ease-in-out infinite 2s, crystalGlow 6s ease-in-out infinite;
}

.crystal-4 {
    width: 100px; height: 100px;
    bottom: 15%; right: 8%;
    background: var(--accent-magenta);
    clip-path: polygon(25% 0%, 75% 0%, 100% 50%, 75% 100%, 25% 100%, 0% 50%);
    opacity: 0.4;
    animation: crystalFloat2 11s ease-in-out infinite 1s, crystalGlow 5s ease-in-out infinite 2s;
}

.crystal-5 {
    width: 50px; height: 50px;
    top: 60%; left: 15%;
    background: var(--primary-mid-blue);
    clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
    opacity: 0.5;
    animation: crystalFloat1 9s ease-in-out infinite 3s;
}

.crystal-6 {
    width: 70px; height: 70px;
    top: 10%; right: 30%;
    background: var(--accent-teal);
    clip-path: polygon(50% 0%, 100% 38%, 82% 100%, 18% 100%, 0% 38%);
    opacity: 0.35;
    animation: crystalFloat2 13s ease-in-out infinite 2s;
}

.crystal-7 {
    width: 40px; height: 40px;
    bottom: 25%; left: 30%;
    background: var(--accent-emerald);
    clip-path: polygon(50% 0%, 100% 100%, 0% 100%);
    opacity: 0.3;
    animation: crystalFloat1 15s ease-in-out infinite 4s;
}

.crystal-8 {
    width: 90px; height: 90px;
    top: 40%; right: 5%;
    background: var(--accent-gold);
    clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
    opacity: 0.3;
    animation: crystalFloat2 16s ease-in-out infinite;
}

/* Compass */
.compass {
    position: absolute;
    bottom: 18%;
    right: 15%;
    z-index: 2;
    animation: compassPulse 4s ease-in-out infinite;
}

.compass-ring {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    border: 3px solid rgba(255, 255, 255, 0.2);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: compassGlow 3s ease-in-out infinite;
    background: rgba(10, 26, 51, 0.5);
    backdrop-filter: blur(8px);
}

.compass-needle {
    width: 3px;
    height: 50px;
    background: linear-gradient(to bottom, var(--accent-crimson) 0%, var(--accent-crimson) 50%, var(--text-white) 50%, var(--text-white) 100%);
    border-radius: var(--radius-full);
    transform-origin: center center;
    position: absolute;
}

.compass-center {
    width: 10px;
    height: 10px;
    background: var(--text-white);
    border-radius: 50%;
    position: absolute;
    z-index: 2;
}

/* Hero Content */
.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    max-width: 800px;
}

.hero-label {
    font-family: var(--font-label);
    font-size: var(--fs-body-sm);
    font-weight: var(--fw-semibold);
    text-transform: uppercase;
    letter-spacing: var(--ls-widest);
    color: var(--accent-teal);
    margin-bottom: var(--space-lg);
}

.hero-title {
    font-family: var(--font-heading);
    font-size: var(--fs-display);
    font-weight: var(--fw-black);
    line-height: 1.05;
    color: var(--text-white);
    margin-bottom: var(--space-lg);
}

.title-line {
    display: block;
}

.title-accent {
    background: linear-gradient(135deg, var(--accent-gold), var(--accent-emerald));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-family: var(--font-label);
    font-size: var(--fs-h4);
    font-weight: var(--fw-semibold);
    text-transform: uppercase;
    letter-spacing: var(--ls-wider);
    color: var(--accent-gold);
    margin-bottom: var(--space-sm);
}

.hero-tagline {
    font-family: var(--font-body);
    font-size: var(--fs-body-lg);
    font-weight: var(--fw-light);
    color: var(--text-light);
    margin-bottom: var(--space-2xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
}

.btn-primary {
    background: var(--accent-emerald);
    color: var(--text-white);
    border-color: var(--accent-emerald);
    box-shadow: 0 4px 20px rgba(46, 204, 113, 0.3);
}

.btn-primary:hover {
    background: #27ae60;
    border-color: #27ae60;
    box-shadow: 0 6px 30px rgba(46, 204, 113, 0.5);
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: var(--text-white);
    border-color: rgba(255, 255, 255, 0.4);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--text-white);
    transform: translateY(-2px);
}

/* Scroll Indicator */
.hero-scroll-indicator {
    position: absolute;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    z-index: 3;
}

.hero-scroll-indicator span {
    font-family: var(--font-label);
    font-size: var(--fs-caption);
    letter-spacing: var(--ls-widest);
    text-transform: uppercase;
    color: var(--text-muted);
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: var(--accent-teal);
    animation: scrollLine 2s ease-in-out infinite;
}

/* ============================================================
   ABOUT BOOK SECTION
   ============================================================ */
.about-book {
    padding: var(--space-3xl) 0;
    background: var(--surface-dark);
    position: relative;
}

.about-book-grid {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: var(--space-3xl);
    align-items: center;
}

@media (min-width: 769px) {
    .about-book-grid.grid-reverse {
        grid-template-columns: 1.3fr 1fr;
    }
    .about-book-grid.grid-reverse .book-cover-wrapper {
        order: 2;
    }
    .about-book-grid.grid-reverse .book-info {
        order: 1;
    }
}

.about-book-grid + .about-book-grid {
    margin-top: var(--space-4xl);
}

.book-cover-wrapper {
    position: relative;
    display: flex;
    justify-content: center;
}

.book-cover-frame {
    position: relative;
    perspective: 1000px;
    max-width: 380px;
}

.book-cover-img {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl), 0 0 60px rgba(37, 99, 168, 0.2);
    transition: transform var(--transition-slow);
}

.book-cover-frame:hover .book-cover-img {
    transform: rotateY(-5deg) rotateX(3deg) scale(1.02);
}

.coming-soon-badge {
    position: absolute;
    top: var(--space-md);
    right: calc(var(--space-md) * -0.5);
    background: var(--accent-gold);
    color: var(--surface-dark);
    font-family: var(--font-label);
    font-size: var(--fs-caption);
    font-weight: var(--fw-bold);
    text-transform: uppercase;
    letter-spacing: var(--ls-wider);
    padding: 0.4em 1.2em;
    border-radius: var(--radius-full);
    box-shadow: 0 4px 15px rgba(240, 192, 64, 0.4);
    animation: pulse 2s ease-in-out infinite;
}

.book-cover-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80%;
    height: 80%;
    background: radial-gradient(ellipse, rgba(37, 99, 168, 0.2), transparent 70%);
    pointer-events: none;
    z-index: -1;
}

.book-info {
    max-width: 600px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: var(--fs-h2);
    font-weight: var(--fw-bold);
    color: var(--text-white);
    line-height: var(--lh-tight);
    margin-bottom: var(--space-md);
}

.section-subtitle {
    font-family: var(--font-label);
    font-size: var(--fs-body);
    color: var(--accent-teal);
    margin-bottom: var(--space-xl);
    font-weight: var(--fw-medium);
}

.section-description {
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto var(--space-2xl);
}

.book-synopsis {
    margin-bottom: var(--space-xl);
}

.book-synopsis p {
    font-size: var(--fs-body);
    line-height: var(--lh-relaxed);
    margin-bottom: var(--space-md);
}

.book-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.book-feature-card {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    background: var(--surface-glass);
    border: 1px solid var(--surface-glass-border);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    transition: all var(--transition-base);
}

.book-feature-card:hover {
    border-color: rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.08);
}

.feature-icon {
    font-size: 1.5rem;
}

.feature-text {
    font-family: var(--font-label);
    font-size: var(--fs-body-sm);
    font-weight: var(--fw-medium);
    color: var(--text-white);
}

.book-cta {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.book-cta-note {
    font-size: var(--fs-body-sm);
    color: var(--text-muted);
}

/* ============================================================
   ABOUT AUTHOR
   ============================================================ */
.about-author {
    padding: var(--space-3xl) 0;
    background: linear-gradient(180deg, var(--surface-dark) 0%, var(--primary-deep-blue) 100%);
}

.author-grid {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.author-role {
    font-family: var(--font-label);
    font-size: var(--fs-body);
    color: var(--accent-gold);
    font-weight: var(--fw-medium);
    margin-bottom: var(--space-xl);
}

.author-bio {
    margin-bottom: var(--space-xl);
}

.author-bio p {
    line-height: var(--lh-relaxed);
    margin-bottom: var(--space-md);
}

.author-stats {
    display: flex;
    gap: var(--space-2xl);
    margin-bottom: var(--space-xl);
    padding: var(--space-xl) 0;
    border-top: 1px solid var(--surface-glass-border);
    border-bottom: 1px solid var(--surface-glass-border);
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: var(--fs-h2);
    font-weight: var(--fw-bold);
    color: var(--accent-emerald);
    line-height: 1;
}

.stat-label {
    font-family: var(--font-label);
    font-size: var(--fs-caption);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: var(--ls-wider);
    margin-top: var(--space-xs);
}

.btn-linkedin {
    background: #0a66c2;
    color: var(--text-white);
    border-color: #0a66c2;
    box-shadow: 0 4px 15px rgba(10, 102, 194, 0.3);
}

.btn-linkedin:hover {
    background: #004182;
    border-color: #004182;
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(10, 102, 194, 0.5);
}

.btn-linkedin svg {
    width: 18px;
    height: 18px;
}

.author-image-wrapper {
    position: relative;
    display: flex;
    justify-content: center;
}

.author-image-frame {
    width: 350px;
    height: 350px;
    border-radius: 50%;
    overflow: hidden;
    border: 4px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 0 40px rgba(37, 99, 168, 0.3);
    position: relative;
}

.author-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.author-image-accent {
    position: absolute;
    width: 380px;
    height: 380px;
    border-radius: 50%;
    border: 2px dashed rgba(46, 204, 113, 0.2);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: compassRotate 30s linear infinite;
}

/* ============================================================
   KEY THEMES
   ============================================================ */
.key-themes {
    padding: var(--space-3xl) 0;
    background: var(--primary-deep-blue);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.themes-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.theme-card {
    background: var(--surface-glass);
    border: 1px solid var(--surface-glass-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    position: relative;
    overflow: hidden;
    transition: all var(--transition-base);
}

.theme-card-accent {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--accent, var(--accent-emerald));
}

.theme-card:hover {
    transform: translateY(-6px);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.theme-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-lg);
    color: var(--text-light);
}

.theme-card:hover .theme-icon {
    color: var(--text-white);
}

.theme-title {
    font-size: var(--fs-h5);
    margin-bottom: var(--space-sm);
}

.theme-description {
    font-size: var(--fs-body-sm);
    color: var(--text-muted);
    line-height: var(--lh-relaxed);
}

/* ============================================================
   DAREM SECTION
   ============================================================ */
.darem-section {
    padding: var(--space-3xl) 0;
    background: var(--surface-dark);
    position: relative;
}

.darem-grid {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: var(--space-xl);
    align-items: center;
}

.darem-description {
    font-size: var(--fs-body);
    line-height: var(--lh-relaxed);
    margin-bottom: var(--space-xl);
}

.darem-acronym {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.darem-letter {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.darem-letter .letter {
    font-family: var(--font-heading);
    font-size: var(--fs-h2);
    font-weight: var(--fw-bold);
    color: var(--accent-emerald);
    width: 50px;
    text-align: center;
}

.darem-letter .meaning {
    font-family: var(--font-label);
    font-size: var(--fs-body);
    font-weight: var(--fw-medium);
    color: var(--text-light);
}

.tm {
    font-size: 0.5em;
    vertical-align: super;
    line-height: 0;
    margin-left: 2px;
}

/* Gauge Visual */
.gauge-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-lg);
}

.gauge-ring {
    position: relative;
    width: 320px;
    height: 320px;
}

.gauge-svg {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.gauge-progress {
    animation: gaugeProgress 2s ease-out forwards;
}

.gauge-center-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.gauge-score {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: var(--fw-bold);
    color: var(--text-white);
    display: block;
    line-height: 1;
    margin-bottom: var(--space-xs);
}

.gauge-label {
    font-family: var(--font-label);
    font-size: var(--fs-caption);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: var(--ls-wider);
    margin-top: 4px;
}

.gauge-labels {
    display: flex;
    gap: var(--space-xl);
    font-family: var(--font-label);
    font-size: var(--fs-body-sm);
    color: var(--text-muted);
}

/* ============================================================
   CONSULTING
   ============================================================ */
.consulting-section {
    padding: var(--space-3xl) 0;
    background: linear-gradient(180deg, var(--primary-deep-blue) 0%, rgba(26, 63, 122, 0.3) 100%);
}

.consulting-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.consulting-card {
    background: var(--surface-glass);
    border: 1px solid var(--surface-glass-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    text-align: center;
    transition: all var(--transition-base);
}

.consulting-card:hover {
    transform: translateY(-6px);
    border-color: rgba(46, 204, 113, 0.3);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.consulting-card-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: rgba(46, 204, 113, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-lg);
    color: var(--accent-emerald);
    transition: all var(--transition-base);
}

.consulting-card:hover .consulting-card-icon {
    background: rgba(46, 204, 113, 0.2);
    box-shadow: 0 0 20px rgba(46, 204, 113, 0.2);
}

.consulting-card-title {
    font-size: var(--fs-h5);
    margin-bottom: var(--space-sm);
}

.consulting-card-desc {
    font-size: var(--fs-body-sm);
    color: var(--text-muted);
    line-height: var(--lh-relaxed);
}

.consulting-cta {
    text-align: center;
}

/* ============================================================
   BLOG SECTION
   ============================================================ */
.blog-section {
    padding: var(--space-3xl) 0;
    background: var(--surface-dark);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.blog-card {
    background: var(--surface-glass);
    border: 1px solid var(--surface-glass-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
}

.blog-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.blog-card-image {
    height: 180px;
    background: linear-gradient(135deg, var(--primary-deep-blue), var(--primary-royal-blue));
    display: flex;
    align-items: flex-end;
    padding: var(--space-md);
    position: relative;
    overflow: hidden;
}

.blog-card-image::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.05), transparent);
}

.blog-category {
    font-family: var(--font-label);
    font-size: var(--fs-caption);
    font-weight: var(--fw-semibold);
    text-transform: uppercase;
    letter-spacing: var(--ls-wider);
    color: var(--blog-accent, var(--accent-emerald));
    background: rgba(10, 26, 51, 0.7);
    padding: 0.3em 0.8em;
    border-radius: var(--radius-full);
    position: relative;
    z-index: 1;
}

.blog-card-content {
    padding: var(--space-lg);
}

.blog-date {
    font-family: var(--font-label);
    font-size: var(--fs-caption);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: var(--ls-wider);
    display: block;
    margin-bottom: var(--space-sm);
}

.blog-title {
    font-size: var(--fs-h5);
    margin-bottom: var(--space-sm);
    line-height: var(--lh-snug);
}

.blog-excerpt {
    font-size: var(--fs-body-sm);
    color: var(--text-muted);
    line-height: var(--lh-relaxed);
    margin-bottom: var(--space-md);
}

.blog-read-more {
    font-family: var(--font-label);
    font-size: var(--fs-body-sm);
    font-weight: var(--fw-semibold);
    color: var(--accent-emerald);
    transition: color var(--transition-fast);
}

.blog-read-more:hover {
    color: var(--accent-teal);
}

/* ============================================================
   SOCIAL IMPACT
   ============================================================ */
.social-impact {
    padding: var(--space-3xl) 0;
    background: linear-gradient(135deg, var(--primary-deep-blue), #1a2d52);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.social-impact::before {
    content: '❤️';
    position: absolute;
    font-size: 200px;
    opacity: 0.03;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.impact-content {
    max-width: 700px;
    margin: 0 auto;
}

.impact-label {
    color: var(--accent-gold);
}

.impact-title {
    font-family: var(--font-heading);
    font-size: var(--fs-h2);
    font-weight: var(--fw-bold);
    color: var(--text-white);
    margin-bottom: var(--space-lg);
}

.impact-divider {
    width: 60px;
    height: 3px;
    background: var(--gradient-warm);
    border-radius: var(--radius-full);
    margin: 0 auto var(--space-xl);
}

.impact-quote {
    font-size: var(--fs-body-lg);
    font-style: italic;
    color: var(--text-light);
    line-height: var(--lh-relaxed);
    margin-bottom: var(--space-xl);
    padding: 0 var(--space-xl);
}

.btn-impact {
    background: var(--accent-gold);
    color: var(--surface-dark);
    border-color: var(--accent-gold);
    box-shadow: 0 4px 20px rgba(240, 192, 64, 0.3);
}

.btn-impact:hover {
    box-shadow: 0 6px 30px rgba(240, 192, 64, 0.5);
    transform: translateY(-2px);
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact-section {
    padding: var(--space-3xl) 0;
    background: var(--surface-dark);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: var(--space-3xl);
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.contact-card {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-lg);
    background: var(--surface-glass);
    border: 1px solid var(--surface-glass-border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.contact-card:hover {
    border-color: rgba(255, 255, 255, 0.2);
}

.contact-card-icon {
    color: var(--accent-teal);
    flex-shrink: 0;
    margin-top: 2px;
}

.contact-card-icon svg {
    width: 24px;
    height: 24px;
}

.contact-card-details h4 {
    font-family: var(--font-label);
    font-size: var(--fs-body-sm);
    font-weight: var(--fw-semibold);
    color: var(--text-white);
    margin-bottom: var(--space-xs);
}

.contact-card-details a {
    color: var(--accent-teal);
    font-size: var(--fs-body-sm);
    transition: color var(--transition-fast);
}

.contact-card-details a:hover {
    color: var(--accent-emerald);
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--surface-glass);
    border: 1px solid var(--surface-glass-border);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
}

.form-group {
    margin-bottom: var(--space-lg);
    position: relative;
}

.form-group label {
    display: block;
    font-family: var(--font-label);
    font-size: var(--fs-body-sm);
    font-weight: var(--fw-medium);
    color: var(--text-light);
    margin-bottom: var(--space-xs);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: var(--space-md);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--surface-glass-border);
    border-radius: var(--radius-md);
    color: var(--text-white);
    font-size: var(--fs-body);
    transition: all var(--transition-base);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-teal);
    box-shadow: 0 0 0 3px rgba(23, 162, 184, 0.15);
    background: rgba(255, 255, 255, 0.06);
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238899aa' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--space-md) center;
    padding-right: var(--space-2xl);
}

.form-group select option {
    background: var(--surface-dark);
    color: var(--text-white);
}

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

.form-group.focused label {
    color: var(--accent-teal);
}

.btn-submit {
    width: 100%;
}

.btn-submit.submitting {
    opacity: 0.7;
    pointer-events: none;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
    padding: var(--space-2xl) 0 var(--space-lg);
    background: #060e1a;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--space-2xl);
    padding-bottom: var(--space-xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    margin-bottom: var(--space-lg);
}

.footer-logo {
    font-family: var(--font-heading);
    font-size: var(--fs-h4);
    color: var(--text-white);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
}

.footer-tagline {
    color: var(--text-muted);
    font-size: var(--fs-body-sm);
    margin-bottom: var(--space-sm);
}

.footer-book-title {
    color: var(--text-muted);
    font-size: var(--fs-body-sm);
}

.footer-heading {
    font-family: var(--font-label);
    font-size: var(--fs-body-sm);
    font-weight: var(--fw-semibold);
    color: var(--text-white);
    text-transform: uppercase;
    letter-spacing: var(--ls-wider);
    margin-bottom: var(--space-lg);
}

.footer-links ul,
.footer-legal ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.footer-links a,
.footer-legal a {
    font-size: var(--fs-body-sm);
    color: var(--text-muted);
    transition: color var(--transition-fast);
}

.footer-links a:hover,
.footer-legal a:hover {
    color: var(--accent-teal);
}

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

.footer-copyright {
    font-size: var(--fs-body-sm);
    color: var(--text-muted);
}

.footer-publisher {
    font-size: var(--fs-body-sm);
    color: var(--text-muted);
}

.footer-publisher a {
    color: var(--accent-teal);
    transition: color var(--transition-fast);
}

.footer-publisher a:hover {
    color: var(--accent-emerald);
}

/* ============================================================
   RESPONSIVE DESIGN
   ============================================================ */

/* Tablet */
@media (max-width: 1024px) {
    .about-book-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-2xl);
    }

    .author-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-2xl);
    }

    .themes-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .consulting-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .darem-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-2xl);
    }

    .compass {
        display: none;
    }
}

/* Mobile */
@media (max-width: 768px) {
    /* Navigation Mobile */
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 350px;
        height: 100vh;
        background: rgba(10, 26, 51, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        gap: var(--space-xl);
        padding: var(--space-2xl);
        transition: right var(--transition-base);
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.3);
    }

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

    .nav-link {
        font-size: var(--fs-h5);
    }

    /* Hero */
    .hero {
        padding: var(--space-3xl) var(--space-md);
    }

    .crystal {
        opacity: 0.2;
    }

    .crystal-5, .crystal-6, .crystal-7, .crystal-8 {
        display: none;
    }

    .hero-scroll-indicator {
        display: none;
    }

    /* About Book */
    .about-book-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .book-cover-frame {
        max-width: 280px;
        margin: 0 auto;
    }

    .book-features {
        grid-template-columns: 1fr;
    }

    .book-cta {
        justify-content: center;
    }

    /* Author */
    .author-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .author-image-wrapper {
        order: -1;
    }

    .author-image-frame {
        width: 250px;
        height: 250px;
    }

    .author-image-accent {
        width: 280px;
        height: 280px;
    }

    .author-stats {
        justify-content: center;
        gap: var(--space-xl);
    }

    .stat-item {
        align-items: center;
    }

    .btn-linkedin {
        margin: 0 auto;
    }

    /* Themes */
    .themes-grid {
        grid-template-columns: 1fr;
    }

    /* DAREM */
    .darem-grid {
        grid-template-columns: 1fr;
    }

    .darem-visual {
        order: -1;
    }

    .gauge-ring {
        width: 240px;
        height: 240px;
    }

    .gauge-score {
        font-size: 2.8rem;
    }

    /* Consulting */
    .consulting-grid {
        grid-template-columns: 1fr;
    }

    /* Blog */
    .blog-grid {
        grid-template-columns: 1fr;
    }

    /* Contact */
    .contact-grid {
        grid-template-columns: 1fr;
    }

    /* Footer */
    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--space-sm);
        text-align: center;
    }
}

/* Small Mobile: max-width 480px */
@media (max-width: 480px) {
    /* Hero */
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

    .hero-cta .btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }

    /* Author */
    .author-image-frame {
        width: 200px;
        height: 200px;
    }

    .author-image-accent {
        width: 228px;
        height: 228px;
    }

    .author-stats {
        flex-wrap: wrap;
        gap: var(--space-lg);
    }

    /* DAREM gauge */
    .gauge-ring {
        width: 160px;
        height: 160px;
    }

    /* Book cover */
    .book-cover-frame {
        max-width: 220px;
    }

    /* Reduce section label letter-spacing on small screens */
    .section-label {
        letter-spacing: 0.1em;
    }

    /* Contact cards */
    .contact-card {
        flex-direction: column;
        align-items: flex-start;
    }

    /* Darem acronym letters */
    .darem-letter .letter {
        font-size: var(--fs-h3);
        width: 40px;
    }
}

/* Body nav open overlay */
body.nav-open::before {
    content: '';
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: calc(var(--z-fixed) - 1);
}