/* ═══════════════════════════════════════════════
   CSS VARIABLES & RESET
   ═══════════════════════════════════════════════ */
:root {
    --black: #0a0a0a;
    --white: #f8f7f4;
    --gray-100: #e8e6e1;
    --gray-200: #d1cfc9;
    --gray-300: #a8a5a0;
    --gray-400: #706d68;
    --gray-500: #4a4844;
    --gray-600: #2a2927;
    --accent: #c8c6c0;
    --font-display: 'Syne', sans-serif;
    --font-body: 'Space Grotesk', -apple-system, sans-serif;
    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
}

*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    scrollbar-width: thin;
    scrollbar-color: var(--gray-300) transparent;
}

body {
    font-family: var(--font-body);
    background: var(--white);
    color: var(--black);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::selection {
    background: var(--black);
    color: var(--white);
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ═══════════════════════════════════════════════
   LOADING SCREEN
   ═══════════════════════════════════════════════ */
.loader {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: var(--black);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.6s var(--ease-out-expo), visibility 0.6s;
}

.loader.done {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.loader-text {
    font-family: var(--font-display);
    font-size: clamp(2rem, 6vw, 5rem);
    color: var(--white);
    overflow: hidden;
}

.loader-text span {
    display: inline-block;
    animation: slideUp 0.6s var(--ease-out-expo) both;
}

@keyframes slideUp {
    from { transform: translateY(120%); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* ═══════════════════════════════════════════════
   NAVIGATION
   ═══════════════════════════════════════════════ */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1.25rem 2.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background 0.4s, backdrop-filter 0.4s, padding 0.4s var(--ease-out-expo);
}

.nav.scrolled {
    background: rgba(248, 247, 244, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 0.8rem 2.5rem;
    border-bottom: 1px solid var(--gray-100);
}

.nav-logo {
    font-family: var(--font-display);
    font-size: 1.4rem;
    letter-spacing: -0.02em;
    transition: opacity 0.3s;
    display: flex;
    align-items: center;
}

.nav-logo:hover { opacity: 0.6; }

.nav-logo img {
    height: 32px;
    width: auto;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    position: relative;
    padding: 0.25rem 0;
    transition: opacity 0.3s;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--black);
    transition: width 0.4s var(--ease-out-expo);
}

.nav-links a:hover::after { width: 100%; }
.nav-links a:hover { opacity: 0.7; }

.nav-cta {
    font-size: 0.85rem !important;
    font-weight: 500 !important;
    letter-spacing: 0.08em !important;
    text-transform: uppercase !important;
    background: var(--black);
    color: var(--white) !important;
    padding: 0.6rem 1.5rem !important;
    border-radius: 0;
    transition: background 0.3s, transform 0.3s var(--ease-out-expo) !important;
}

.nav-cta::after { display: none !important; }
.nav-cta:hover { background: var(--gray-600); transform: translateY(-1px); opacity: 1 !important; }

/* Mobile menu */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    z-index: 1001;
    background: none;
    border: none;
    padding: 4px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 1.5px;
    background: var(--black);
    transition: transform 0.4s var(--ease-out-expo), opacity 0.3s;
}

.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translateY(6.5px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translateY(-6.5px); }

.mobile-menu {
    position: fixed;
    inset: 0;
    z-index: 999;
    background: var(--white);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s var(--ease-out-expo), visibility 0.5s;
}

.mobile-menu.open { opacity: 1; visibility: visible; }

.mobile-menu a {
    font-family: var(--font-display);
    font-size: 2.5rem;
    transition: opacity 0.3s;
}

.mobile-menu a:hover { opacity: 0.5; }

/* ═══════════════════════════════════════════════
   REVEAL ANIMATIONS
   ═══════════════════════════════════════════════ */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s var(--ease-out-expo), transform 0.8s var(--ease-out-expo);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ═══════════════════════════════════════════════
   SECTION UTILITIES
   ═══════════════════════════════════════════════ */
.section {
    padding: 8rem 2.5rem;
}

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

.section-label {
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--gray-400);
    margin-bottom: 3rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.section-label::before {
    content: '';
    width: 40px;
    height: 1px;
    background: var(--gray-300);
}

.section-dark .section-label { color: var(--gray-300); }
.section-dark .section-label::before { background: var(--gray-500); }

.container {
    max-width: 1200px;
    margin: 0 auto;
}

/* ═══════════════════════════════════════════════
   GEOMETRIC BACKGROUND TEXTURES
   ═══════════════════════════════════════════════ */
#highlights,
#publications,
#speaking,
#booking {
    position: relative;
}

#highlights > .container,
#publications > .container,
#speaking > .container,
#booking > .container {
    position: relative;
    z-index: 1;
}

#highlights::after,
#publications::after,
#speaking::after,
#booking::after {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 0;
}

/* Highlights — 45° diagonal lines */
#highlights::after {
    background: repeating-linear-gradient(
        45deg,
        rgba(248, 247, 244, 0.04) 0px,
        rgba(248, 247, 244, 0.04) 1px,
        transparent 1px,
        transparent 60px
    );
}

/* Publications — crosshatch grid */
#publications::after {
    background:
        repeating-linear-gradient(
            0deg,
            rgba(10, 10, 10, 0.035) 0px,
            rgba(10, 10, 10, 0.035) 1px,
            transparent 1px,
            transparent 40px
        ),
        repeating-linear-gradient(
            90deg,
            rgba(10, 10, 10, 0.035) 0px,
            rgba(10, 10, 10, 0.035) 1px,
            transparent 1px,
            transparent 40px
        );
}

/* Speaking — 135° diagonal lines */
#speaking::after {
    background: repeating-linear-gradient(
        135deg,
        rgba(248, 247, 244, 0.04) 0px,
        rgba(248, 247, 244, 0.04) 1px,
        transparent 1px,
        transparent 80px
    );
}

/* Booking — dot grid */
#booking::after {
    background:
        repeating-linear-gradient(
            0deg,
            rgba(10, 10, 10, 0.05) 0px,
            rgba(10, 10, 10, 0.05) 1px,
            transparent 1px,
            transparent 30px
        ),
        repeating-linear-gradient(
            90deg,
            rgba(10, 10, 10, 0.05) 0px,
            rgba(10, 10, 10, 0.05) 1px,
            transparent 1px,
            transparent 30px
        );
}

/* ═══════════════════════════════════════════════
   HERO SECTION
   ═══════════════════════════════════════════════ */
.hero {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
    position: relative;
    overflow: hidden;
}

.hero-left {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 6rem 4rem 4rem 4rem;
    position: relative;
    z-index: 2;
}

.hero-right {
    background: var(--black);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

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

.hero-name {
    font-family: var(--font-display);
    font-size: clamp(3.5rem, 7vw, 7rem);
    line-height: 0.9;
    letter-spacing: -0.03em;
    margin-bottom: 1.5rem;
}

.hero-name span {
    display: block;
    overflow: hidden;
}

.hero-name span em {
    display: inline-block;
    font-style: italic;
    animation: heroSlide 1s var(--ease-out-expo) both;
}

.hero-name span:nth-child(2) em { animation-delay: 0.15s; }

@keyframes heroSlide {
    from { transform: translateY(110%); }
    to { transform: translateY(0); }
}

.hero-subtitle {
    font-size: 0.9rem;
    font-weight: 400;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--gray-400);
    margin-bottom: 2.5rem;
    line-height: 1.8;
}

.hero-tagline {
    font-family: var(--font-display);
    font-style: italic;
    font-size: clamp(1.1rem, 1.8vw, 1.4rem);
    color: var(--gray-500);
    max-width: 400px;
    line-height: 1.5;
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 2.5rem;
    left: 4rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--gray-300);
    animation: pulse 2s ease-in-out infinite;
}

.hero-scroll-indicator .line {
    width: 30px;
    height: 1px;
    background: var(--gray-300);
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

/* ═══════════════════════════════════════════════
   ABOUT SECTION
   ═══════════════════════════════════════════════ */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 6rem;
    align-items: start;
}

.about-left .large-quote {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 3vw, 2.8rem);
    line-height: 1.3;
    letter-spacing: -0.02em;
}

.about-left .large-quote em {
    font-style: italic;
    color: var(--gray-400);
}

.about-image {
    width: 100%;
    margin-top: 2.5rem;
    aspect-ratio: 3/4;
    object-fit: cover;
}

.about-right p {
    font-size: 1.05rem;
    line-height: 1.9;
    color: var(--gray-500);
    margin-bottom: 1.5rem;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
    padding-top: 3rem;
    border-top: 1px solid var(--gray-100);
}

.stat-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    letter-spacing: -0.02em;
    line-height: 1;
    margin-bottom: 0.4rem;
}

.stat-label {
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--gray-400);
    line-height: 1.5;
}

/* ═══════════════════════════════════════════════
   HIGHLIGHTS / ACHIEVEMENTS
   ═══════════════════════════════════════════════ */
.highlights-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0;
}

.highlight-item {
    padding: 2.5rem 3rem;
    border-bottom: 1px solid var(--gray-500);
    border-right: 1px solid var(--gray-500);
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    transition: background 0.4s var(--ease-out-expo);
}

.highlight-item:hover { background: rgba(255,255,255,0.03); }

.highlight-item:nth-child(even) { border-right: none; }
.highlight-item:nth-last-child(-n+2) { border-bottom: none; }

.highlight-number {
    font-family: var(--font-display);
    font-size: 1.2rem;
    color: var(--gray-500);
    flex-shrink: 0;
    width: 2rem;
}

.highlight-text {
    font-size: 1.1rem;
    line-height: 1.6;
    font-weight: 300;
}

.highlight-text strong {
    font-weight: 500;
    display: block;
    margin-bottom: 0.25rem;
}

/* ═══════════════════════════════════════════════
   CV SECTION
   ═══════════════════════════════════════════════ */
.cv-content {
    max-width: 600px;
}

.cv-heading {
    font-family: var(--font-display);
    font-size: clamp(2rem, 3.5vw, 3.5rem);
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: 1.5rem;
}

.cv-heading em {
    font-style: italic;
}

.cv-text {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--gray-300);
    margin-bottom: 2.5rem;
    max-width: 500px;
}

.cv-download-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--white);
    color: var(--black);
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    padding: 1rem 2.5rem;
    transition: background 0.3s, transform 0.3s var(--ease-out-expo);
}

.cv-download-btn:hover {
    background: var(--gray-100);
    transform: translateY(-2px);
}

.cv-download-btn .arrow {
    display: inline-block;
    transition: transform 0.3s var(--ease-out-expo);
}

.cv-download-btn:hover .arrow {
    transform: translateX(4px);
}

/* ═══════════════════════════════════════════════
   TIMELINE / JOURNEY
   ═══════════════════════════════════════════════ */
.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 1px;
    background: var(--gray-200);
    transform: translateX(-50%);
}

.timeline-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 4rem;
    position: relative;
}

.timeline-item:nth-child(odd) {
    flex-direction: row-reverse;
    text-align: right;
}

.timeline-content {
    width: 45%;
    padding: 0 2rem;
}

.timeline-year {
    font-family: var(--font-display);
    font-size: 2.5rem;
    letter-spacing: -0.02em;
    line-height: 1;
    margin-bottom: 0.75rem;
}

.timeline-desc {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--gray-400);
}

.timeline-dot {
    position: absolute;
    left: 50%;
    top: 0.5rem;
    width: 11px;
    height: 11px;
    background: var(--black);
    border: 2px solid var(--white);
    border-radius: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.timeline-item:nth-child(odd) .timeline-content { margin-right: auto; }
.timeline-item:nth-child(even) .timeline-content { margin-left: auto; }

/* ═══════════════════════════════════════════════
   SKILLS
   ═══════════════════════════════════════════════ */
.skills-section { background: var(--gray-100); }

.skills-marquee-wrapper {
    overflow: hidden;
    margin: 3rem -2.5rem 0;
}

.skills-marquee {
    display: flex;
    animation: marquee 20s linear infinite;
    width: max-content;
}

.skills-marquee:hover { animation-play-state: paused; }

.skill-tag {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3.5rem);
    white-space: nowrap;
    padding: 0 2rem;
    color: var(--black);
    transition: color 0.3s;
}

.skill-tag .separator {
    display: inline-block;
    width: 8px;
    height: 8px;
    background: var(--gray-300);
    border-radius: 50%;
    margin-left: 2rem;
    vertical-align: middle;
}

@keyframes marquee {
    to { transform: translateX(-50%); }
}

.skills-detail-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 4rem;
}

.skill-card {
    background: var(--white);
    padding: 2rem;
    border: 1px solid var(--gray-200);
    transition: transform 0.4s var(--ease-out-expo), box-shadow 0.4s;
}

.skill-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.06);
}

.skill-card-icon {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    display: block;
}

.skill-card h3 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.skill-card p {
    font-size: 0.9rem;
    color: var(--gray-400);
    line-height: 1.6;
}

/* ═══════════════════════════════════════════════
   PUBLICATIONS
   ═══════════════════════════════════════════════ */
.publications-list {
    max-width: 800px;
}

.pub-item {
    padding: 2.5rem 0;
    border-bottom: 1px solid var(--gray-100);
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 2rem;
    align-items: center;
    transition: padding-left 0.4s var(--ease-out-expo);
}

.pub-item:hover { padding-left: 1rem; }

.pub-item-with-cover {
    grid-template-columns: auto auto 1fr auto;
}

.pub-book-cover {
    width: 80px;
    height: auto;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    transition: transform 0.4s var(--ease-out-expo);
}

.pub-item:hover .pub-book-cover {
    transform: scale(1.05);
}

/* Featured book */
.pub-featured {
    display: flex;
    gap: 3rem;
    align-items: center;
    margin-top: 3rem;
    padding: 3rem;
    background: var(--gray-100);
    border: 1px solid var(--gray-200);
}

.pub-featured-cover {
    flex-shrink: 0;
}

.pub-featured .pub-book-cover {
    width: 180px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.18);
}

.pub-featured:hover .pub-book-cover {
    transform: scale(1.03);
}

.pub-featured-details {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.pub-featured-details .pub-type {
    align-self: flex-start;
    margin-bottom: 0.25rem;
}

.pub-featured-details h3 {
    font-family: var(--font-display);
    font-size: 1.8rem;
    letter-spacing: -0.01em;
    line-height: 1.2;
}

.pub-featured-details p {
    font-size: 1rem;
    color: var(--gray-400);
    line-height: 1.7;
    max-width: 440px;
}

.pub-featured-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 0.5rem;
}

.pub-featured-meta .pub-year {
    font-size: 1rem;
    color: var(--gray-400);
}

.pub-featured-author {
    font-size: 0.85rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--gray-400);
}

.pub-buy-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--black);
    color: var(--white);
    font-family: var(--font-body);
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    padding: 0.85rem 2rem;
    margin-top: 1rem;
    align-self: flex-start;
    transition: background 0.3s, transform 0.3s var(--ease-out-expo);
}

.pub-buy-btn:hover {
    background: var(--gray-600);
    transform: translateY(-2px);
}

.pub-buy-btn .arrow {
    display: inline-block;
    transition: transform 0.3s var(--ease-out-expo);
}

.pub-buy-btn:hover .arrow {
    transform: translateX(4px);
}

.pub-year {
    font-family: var(--font-display);
    font-size: 2rem;
    color: var(--gray-200);
    line-height: 1;
}

.pub-info h3 {
    font-family: var(--font-display);
    font-size: 1.3rem;
    margin-bottom: 0.3rem;
}

.pub-info p {
    font-size: 0.9rem;
    color: var(--gray-400);
}

.pub-type {
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--gray-400);
    padding: 0.3rem 0.8rem;
    border: 1px solid var(--gray-200);
}

/* ═══════════════════════════════════════════════
   SPEAKING & MEDIA
   ═══════════════════════════════════════════════ */
.speaking-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.speaking-card {
    background: var(--gray-600);
    padding: 2.5rem 2rem;
    position: relative;
    overflow: hidden;
    transition: transform 0.4s var(--ease-out-expo);
}

.speaking-card:hover { transform: translateY(-4px); }

.speaking-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--white);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s var(--ease-out-expo);
}

.speaking-card:hover::before { transform: scaleX(1); }

.speaking-card-type {
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--gray-400);
    margin-bottom: 1rem;
}

.speaking-card h3 {
    font-family: var(--font-display);
    font-size: 1.4rem;
    margin-bottom: 0.5rem;
    line-height: 1.3;
}

.speaking-card p {
    font-size: 0.9rem;
    color: var(--gray-300);
    line-height: 1.6;
}

/* ═══════════════════════════════════════════════
   CONTACT SECTION
   ═══════════════════════════════════════════════ */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
}

.contact-heading {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 4vw, 4rem);
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: 2rem;
}

.contact-heading em { font-style: italic; }

.contact-text {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--gray-400);
    margin-bottom: 2.5rem;
}

.contact-signature {
    width: 150px;
    opacity: 0.7;
    margin-bottom: 2rem;
}

.contact-personal-photo {
    width: 100%;
    max-width: 360px;
    margin-top: 2rem;
    aspect-ratio: 4/3;
    object-fit: cover;
    opacity: 0.85;
    transition: opacity 0.4s;
}

.contact-personal-photo:hover {
    opacity: 1;
}

.contact-links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--gray-500);
    font-size: 0.85rem;
    transition: padding-left 0.3s var(--ease-out-expo), color 0.3s;
}

.contact-link:hover { padding-left: 0.75rem; color: var(--gray-300); }

.contact-link-label {
    font-size: 0.8rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--gray-500);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    position: relative;
}

.form-group label {
    display: block;
    font-size: 0.8rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--gray-400);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--gray-500);
    color: var(--white);
    font-family: var(--font-body);
    font-size: 1.05rem;
    padding: 0.75rem 0;
    outline: none;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--white);
}

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

.form-submit {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--black);
    background: var(--white);
    border: none;
    padding: 1rem 2.5rem;
    cursor: pointer;
    transition: background 0.3s, transform 0.3s var(--ease-out-expo);
}

.form-submit:hover { background: var(--gray-100); transform: translateY(-2px); }

.form-submit .arrow {
    display: inline-block;
    transition: transform 0.3s var(--ease-out-expo);
}

.form-submit:hover .arrow { transform: translateX(4px); }

/* ═══════════════════════════════════════════════
   CALENDLY / BOOKING SECTION
   ═══════════════════════════════════════════════ */
.booking-section {
    background: var(--gray-100);
    text-align: center;
}

.booking-heading {
    font-family: var(--font-display);
    font-size: clamp(2rem, 3.5vw, 3.5rem);
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
}

.booking-subtext {
    font-size: 1rem;
    color: var(--gray-400);
    margin-bottom: 3rem;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

.calendly-container {
    max-width: 700px;
    margin: 0 auto;
    background: var(--white);
    border: 1px solid var(--gray-200);
    min-height: 650px;
    position: relative;
}

.calendly-container iframe {
    width: 100%;
    height: 650px;
    border: none;
}

.calendly-fallback {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 300px;
    gap: 1.5rem;
}

.calendly-fallback-icon {
    width: 60px;
    height: 60px;
    border: 2px solid var(--gray-200);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.calendly-fallback p {
    font-size: 0.85rem;
    color: var(--gray-400);
}

.calendly-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--black);
    color: var(--white);
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    padding: 1rem 2.5rem;
    border: none;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.3s, transform 0.3s var(--ease-out-expo);
}

.calendly-btn:hover { background: var(--gray-600); transform: translateY(-2px); }

/* ═══════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════ */
.footer {
    padding: 3rem 2.5rem;
    border-top: 1px solid var(--gray-100);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-left {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    font-size: 0.85rem;
    color: var(--gray-400);
}

.footer-signature {
    height: 30px;
    width: auto;
    opacity: 0.5;
}

.footer-right {
    display: flex;
    gap: 2rem;
}

.footer-right a {
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--gray-400);
    transition: color 0.3s;
}

.footer-right a:hover { color: var(--black); }

/* ═══════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════ */
@media (max-width: 1024px) {
    .hero { grid-template-columns: 1fr; }
    .hero-right { display: none; }
    .hero-left { padding: 8rem 2.5rem 4rem; }
    .about-grid { grid-template-columns: 1fr; gap: 3rem; }
    .contact-grid { grid-template-columns: 1fr; gap: 4rem; }
    .speaking-grid { grid-template-columns: 1fr 1fr; }
    .highlights-grid { grid-template-columns: 1fr; }
    .highlight-item { border-right: none; }
    .highlight-item:last-child { border-bottom: none; }
}

@media (max-width: 768px) {
    .section { padding: 5rem 1.5rem; }
    .nav { padding: 1rem 1.5rem; }
    .nav-links { display: none; }
    .nav-toggle { display: flex; }
    .hero-left { padding: 7rem 1.5rem 3rem; }
    .about-stats { grid-template-columns: repeat(3, 1fr); gap: 1rem; }
    .speaking-grid { grid-template-columns: 1fr; }
    .timeline::before { left: 1rem; }
    .timeline-item,
    .timeline-item:nth-child(odd) {
        flex-direction: row;
        text-align: left;
    }
    .timeline-content,
    .timeline-item:nth-child(odd) .timeline-content,
    .timeline-item:nth-child(even) .timeline-content {
        width: auto;
        margin-left: 3rem;
    }
    .timeline-dot {
        left: 1rem;
    }
    .pub-item { grid-template-columns: 1fr; gap: 0.5rem; }
    .pub-item-with-cover { grid-template-columns: 1fr; }
    .pub-book-cover { width: 60px; }
    .pub-featured { flex-direction: column; padding: 2rem 1.5rem; gap: 2rem; text-align: center; }
    .pub-featured .pub-book-cover { width: 140px; }
    .pub-featured-details { align-items: center; }
    .pub-featured-meta { justify-content: center; }
    .pub-buy-btn { align-self: center; }
    .pub-year { font-size: 1.2rem; color: var(--gray-400); }
    .pub-type { justify-self: start; }
    .footer { flex-direction: column; gap: 1rem; text-align: center; }
    .footer-left { flex-direction: column; }
    .contact-signature { width: 120px; }
}

@media (max-width: 480px) {
    .hero-name { font-size: 3rem; }
    .about-stats { grid-template-columns: 1fr; }
    .highlight-item { padding: 1.5rem; }
}

/* ═══════════════════════════════════════════════
   PRINT STYLES
   ═══════════════════════════════════════════════ */
@media print {
    .loader, .nav, .mobile-menu, .calendly-container, .hero-scroll-indicator {
        display: none !important;
    }
    body {
        background: white !important;
        color: black !important;
    }
    .section-dark {
        background: white !important;
        color: black !important;
    }
    #highlights::after,
    #publications::after,
    #speaking::after,
    #booking::after {
        display: none !important;
    }
    * {
        animation: none !important;
        transition: none !important;
    }
}