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

:root {
    --color-bg: #faf9f7;
    --color-surface: #ffffff;
    --color-surface-alt: #f4f1ee;
    --color-text: #1d1d1f;
    --color-text-secondary: #6e6e73;
    --color-accent: #7ca5c4;
    --color-accent-light: #d4e4f0;
    --color-accent-soft: #e8f0f7;
    --color-pastel-pink: #f2d7d5;
    --color-pastel-mint: #d5e8d4;
    --color-pastel-lavender: #e0d4f5;
    --color-pastel-peach: #fae0cf;
    --color-border: #e5e5e7;
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --nav-height: 64px;
    --max-width: 1120px;
    --radius: 16px;
    --radius-sm: 10px;
    --shadow: 0 2px 20px rgba(0,0,0,0.04);
    --shadow-lg: 0 8px 40px rgba(0,0,0,0.06);
    --transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.7;
    overflow-x: hidden;
}

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

img { max-width: 100%; display: block; }

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

/* ===== Navigation ===== */
.nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    height: var(--nav-height);
    background: rgba(250, 249, 247, 0.72);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid transparent;
    transition: var(--transition);
}

.nav.scrolled { border-bottom-color: var(--color-border); }

.nav-inner {
    max-width: var(--max-width); margin: 0 auto; padding: 0 24px;
    height: 100%; display: flex; align-items: center; justify-content: space-between;
}

.nav-logo {
    font-size: 20px; font-weight: 700; color: var(--color-text);
    letter-spacing: -0.5px;
}
.nav-logo:hover { color: var(--color-accent); }

.nav-links { display: flex; gap: 32px; }
.nav-links a {
    font-size: 14px; font-weight: 500; color: var(--color-text-secondary);
    transition: var(--transition); position: relative;
}
.nav-links a::after {
    content: ''; position: absolute; bottom: -4px; left: 0; width: 0;
    height: 2px; background: var(--color-accent); transition: var(--transition);
}
.nav-links a:hover { color: var(--color-text); }
.nav-links a:hover::after { width: 100%; }

.nav-actions { display: flex; align-items: center; gap: 16px; }

.lang-switcher { display: flex; gap: 4px; }
.lang-btn {
    background: none; border: 1px solid var(--color-border); border-radius: 6px;
    padding: 4px 8px; font-size: 11px; font-weight: 600; font-family: var(--font);
    color: var(--color-text-secondary); cursor: pointer; transition: var(--transition);
}
.lang-btn:hover { border-color: var(--color-accent); color: var(--color-accent); }
.lang-btn.active { background: var(--color-accent); color: #fff; border-color: var(--color-accent); }

.nav-menu-btn {
    display: none; background: none; border: none; cursor: pointer;
    width: 24px; height: 18px; position: relative; flex-direction: column;
    justify-content: space-between;
}
.nav-menu-btn span {
    display: block; width: 100%; height: 2px; background: var(--color-text);
    border-radius: 2px; transition: var(--transition);
}

.mobile-menu {
    display: none; position: fixed; top: var(--nav-height); left: 0; right: 0;
    background: rgba(250,249,247,0.97); backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 24px; flex-direction: column; gap: 24px; z-index: 99;
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-10px); opacity: 0; pointer-events: none;
    transition: var(--transition);
}
.mobile-menu.open { display: flex; transform: translateY(0); opacity: 1; pointer-events: all; }
.mobile-menu a { font-size: 18px; font-weight: 500; color: var(--color-text); }

/* ===== Hero ===== */
.hero {
    min-height: 100vh; display: flex; flex-direction: column;
    justify-content: center; padding: calc(var(--nav-height) + 40px) 24px 60px;
    max-width: var(--max-width); margin: 0 auto;
}

.hero-content { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }

.hero-greeting {
    font-size: 16px; font-weight: 500; color: var(--color-accent);
    letter-spacing: 1px; text-transform: uppercase; margin-bottom: 12px;
}

.hero-name {
    font-size: clamp(40px, 6vw, 72px); font-weight: 700;
    letter-spacing: -2px; line-height: 1.05; margin-bottom: 16px;
    background: linear-gradient(135deg, var(--color-text) 0%, var(--color-accent) 100%);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-title {
    font-size: 18px; font-weight: 500; color: var(--color-text-secondary);
    margin-bottom: 20px;
}

.hero-subtitle {
    font-size: 16px; color: var(--color-text-secondary); line-height: 1.8;
    max-width: 500px; margin-bottom: 32px;
}

.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }

.btn {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 14px 28px; border-radius: 980px; font-size: 14px; font-weight: 600;
    font-family: var(--font); cursor: pointer; transition: var(--transition);
    text-decoration: none; border: none;
}

.btn-primary {
    background: var(--color-text); color: #fff;
}
.btn-primary:hover { background: var(--color-accent); color: #fff; transform: scale(1.02); }

.btn-outline {
    background: transparent; color: var(--color-text);
    border: 1.5px solid var(--color-border);
}
.btn-outline:hover { border-color: var(--color-accent); color: var(--color-accent); }

.hero-image { display: flex; justify-content: center; }
.hero-image-wrapper {
    width: 340px; height: 420px; border-radius: 24px; overflow: hidden;
    background: linear-gradient(135deg, var(--color-accent-light), var(--color-pastel-lavender));
    box-shadow: var(--shadow-lg); position: relative;
}
.hero-image-wrapper img {
    width: 100%; height: 100%; object-fit: cover;
}
.hero-image-wrapper.placeholder::after {
    content: 'FK'; position: absolute; top: 50%; left: 50%;
    transform: translate(-50%, -50%); font-size: 72px; font-weight: 700;
    color: rgba(255,255,255,0.6);
}

.hero-scroll {
    display: flex; justify-content: center; margin-top: auto; padding-top: 40px;
}
.scroll-indicator {
    width: 24px; height: 40px; border: 2px solid var(--color-border); border-radius: 12px;
    position: relative;
}
.scroll-indicator::after {
    content: ''; position: absolute; top: 6px; left: 50%; transform: translateX(-50%);
    width: 4px; height: 8px; background: var(--color-accent); border-radius: 2px;
    animation: scrollBounce 2s infinite;
}

@keyframes scrollBounce {
    0%, 100% { opacity: 1; transform: translateX(-50%) translateY(0); }
    50% { opacity: 0.3; transform: translateX(-50%) translateY(12px); }
}

/* ===== Sections ===== */
.section { padding: 100px 0; }
.section-alt { background: var(--color-surface-alt); }

.section-title {
    font-size: clamp(28px, 4vw, 44px); font-weight: 700; text-align: center;
    letter-spacing: -1px; margin-bottom: 16px;
}

.section-subtitle {
    text-align: center; color: var(--color-text-secondary); font-size: 16px;
    max-width: 560px; margin: 0 auto 56px;
}

/* ===== About ===== */
.about-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 60px; align-items: start; }
.about-text p { color: var(--color-text-secondary); margin-bottom: 16px; font-size: 16px; line-height: 1.8; }

.about-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.stat-card {
    background: var(--color-surface); border-radius: var(--radius); padding: 28px;
    text-align: center; box-shadow: var(--shadow); border: 1px solid var(--color-border);
    transition: var(--transition);
}
.stat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.stat-number { font-size: 40px; font-weight: 700; color: var(--color-accent); display: inline; }
.stat-plus { font-size: 28px; font-weight: 700; color: var(--color-accent); }
.stat-label { display: block; font-size: 13px; color: var(--color-text-secondary); margin-top: 4px; font-weight: 500; }

/* ===== Timeline ===== */
.timeline { position: relative; max-width: 720px; margin: 48px auto 0; padding-left: 32px; }
.timeline::before {
    content: ''; position: absolute; left: 7px; top: 0; bottom: 0;
    width: 2px; background: var(--color-border);
}

.timeline-item { position: relative; margin-bottom: 36px; }
.timeline-dot {
    position: absolute; left: -32px; top: 24px; width: 16px; height: 16px;
    background: var(--color-accent-light); border: 3px solid var(--color-accent);
    border-radius: 50%; z-index: 1;
}

.timeline-card {
    background: var(--color-surface); border-radius: var(--radius); padding: 28px;
    box-shadow: var(--shadow); border: 1px solid var(--color-border);
    transition: var(--transition);
}
.timeline-card:hover { transform: translateX(4px); box-shadow: var(--shadow-lg); }

.timeline-date {
    font-size: 12px; font-weight: 600; color: var(--color-accent);
    text-transform: uppercase; letter-spacing: 1px;
}
.timeline-card h3 { font-size: 18px; font-weight: 600; margin: 6px 0 4px; }
.timeline-company { font-size: 14px; color: var(--color-text-secondary); margin-bottom: 8px; }
.timeline-desc { font-size: 14px; color: var(--color-text-secondary); line-height: 1.7; }
.timeline-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.timeline-tags span {
    font-size: 11px; font-weight: 500; padding: 4px 10px; border-radius: 6px;
    background: var(--color-accent-soft); color: var(--color-accent);
}

/* ===== Services ===== */
.services-grid {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
    margin-top: 48px;
}

.service-card {
    background: var(--color-surface); border-radius: var(--radius); padding: 36px 28px;
    border: 1px solid var(--color-border); transition: var(--transition);
    text-align: center;
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--color-accent-light); }

.service-icon {
    width: 52px; height: 52px; margin: 0 auto 20px;
    background: var(--color-accent-soft); border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
}
.service-icon svg { width: 24px; height: 24px; stroke: var(--color-accent); }

.service-card:nth-child(2) .service-icon { background: var(--color-pastel-lavender); }
.service-card:nth-child(2) .service-icon svg { stroke: #7c5cbf; }
.service-card:nth-child(3) .service-icon { background: var(--color-pastel-mint); }
.service-card:nth-child(3) .service-icon svg { stroke: #5a9e58; }
.service-card:nth-child(4) .service-icon { background: var(--color-pastel-peach); }
.service-card:nth-child(4) .service-icon svg { stroke: #c47a4a; }
.service-card:nth-child(5) .service-icon { background: var(--color-pastel-pink); }
.service-card:nth-child(5) .service-icon svg { stroke: #b05a55; }
.service-card:nth-child(6) .service-icon { background: #dce8e0; }
.service-card:nth-child(6) .service-icon svg { stroke: #4a7c5a; }

.service-card h3 { font-size: 17px; font-weight: 600; margin-bottom: 10px; }
.service-card p { font-size: 14px; color: var(--color-text-secondary); line-height: 1.7; }

/* ===== Expertise ===== */
.expertise-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; margin-top: 48px; }
.expertise-category {
    background: var(--color-surface); border-radius: var(--radius); padding: 32px;
    border: 1px solid var(--color-border);
}
.expertise-category h3 { font-size: 16px; font-weight: 600; margin-bottom: 16px; }

.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
    padding: 6px 14px; border-radius: 8px; font-size: 13px; font-weight: 500;
    background: var(--color-accent-soft); color: var(--color-accent);
    transition: var(--transition);
}
.tag:hover { background: var(--color-accent); color: #fff; transform: scale(1.05); }

.cert-list { display: flex; flex-direction: column; gap: 16px; }
.cert-item { display: flex; gap: 14px; align-items: flex-start; }
.cert-icon { font-size: 24px; flex-shrink: 0; }
.cert-item strong { font-size: 14px; display: block; }
.cert-item p { font-size: 13px; color: var(--color-text-secondary); margin: 0; }

.language-bars { display: flex; flex-direction: column; gap: 16px; }
.lang-item { display: grid; grid-template-columns: 80px 1fr 80px; gap: 12px; align-items: center; }
.lang-name { font-size: 14px; font-weight: 500; }
.lang-bar { height: 6px; background: var(--color-border); border-radius: 3px; overflow: hidden; }
.lang-fill { height: 100%; background: var(--color-accent); border-radius: 3px; width: 0; transition: width 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94); }
.lang-level { font-size: 12px; color: var(--color-text-secondary); text-align: right; }

/* ===== Speaking ===== */
.speaking-grid { margin-top: 48px; }

.speaking-card {
    display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px; align-items: center;
    background: var(--color-surface); border-radius: var(--radius); overflow: hidden;
    border: 1px solid var(--color-border); transition: var(--transition);
}
.speaking-card:hover { box-shadow: var(--shadow-lg); }

.speaking-slideshow { position: relative; overflow: hidden; height: 100%; min-height: 320px; }
.slideshow-track { position: relative; width: 100%; height: 100%; min-height: 320px; }
.slideshow-track .slide {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    object-fit: cover; visibility: hidden; z-index: 0;
    animation: none;
}
.slideshow-track .slide.active { visibility: visible; z-index: 1; animation: slideFadeIn 0.6s ease forwards; }

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

.slideshow-controls {
    position: absolute; bottom: 16px; left: 0; right: 0;
    display: flex; align-items: center; justify-content: center; gap: 12px; z-index: 2;
}

.slide-btn {
    width: 32px; height: 32px; border-radius: 50%; border: none;
    background: rgba(255,255,255,0.85); backdrop-filter: blur(8px);
    font-size: 18px; line-height: 1; cursor: pointer; transition: var(--transition);
    display: flex; align-items: center; justify-content: center;
    color: var(--color-text); font-family: var(--font);
}
.slide-btn:hover { background: #fff; transform: scale(1.1); }

.slide-dots { display: flex; gap: 6px; }
.dot {
    width: 8px; height: 8px; border-radius: 50%;
    background: rgba(255,255,255,0.5); cursor: pointer; transition: var(--transition);
}
.dot.active { background: #fff; transform: scale(1.2); }

.speaking-info { padding: 36px 36px 36px 0; }
.speaking-date {
    font-size: 12px; font-weight: 600; color: var(--color-accent);
    text-transform: uppercase; letter-spacing: 1px;
}
.speaking-info h3 { font-size: 22px; font-weight: 700; margin: 8px 0 4px; }
.speaking-venue { font-size: 14px; color: var(--color-text-secondary); margin-bottom: 14px; }
.speaking-desc { font-size: 14px; color: var(--color-text-secondary); line-height: 1.7; margin-bottom: 16px; }

@media (max-width: 768px) {
    .speaking-card { grid-template-columns: 1fr; }
    .speaking-info { padding: 24px; }
    .speaking-image { min-height: 220px; }
}

/* ===== Clients Marquee ===== */
.clients-marquee { overflow: hidden; margin-top: 48px; }
.marquee-track {
    display: flex; gap: 48px; animation: marquee 30s linear infinite;
    width: max-content;
}
.client-name {
    font-size: 20px; font-weight: 600; color: var(--color-text-secondary);
    opacity: 0.4; white-space: nowrap; transition: var(--transition);
}
.client-name:hover { opacity: 1; color: var(--color-accent); }

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

/* ===== Testimonials ===== */
.testimonials-grid {
    display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 48px;
}

.testimonial-card {
    background: var(--color-surface); border-radius: var(--radius); padding: 36px;
    border: 1px solid var(--color-border); position: relative;
    transition: var(--transition);
}
.testimonial-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }

.testimonial-quote {
    font-size: 64px; font-weight: 700; color: var(--color-accent-light);
    line-height: 1; margin-bottom: -12px;
}
.testimonial-card p { font-size: 15px; color: var(--color-text-secondary); line-height: 1.8; font-style: italic; }
.testimonial-author { margin-top: 20px; display: flex; align-items: center; gap: 12px; }
.testimonial-author strong { font-size: 14px; display: block; color: var(--color-text); }
.testimonial-author span { font-size: 13px; color: var(--color-text-secondary); }

/* ===== Contact ===== */
.contact-grid {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 48px;
}

.contact-card {
    background: var(--color-surface); border-radius: var(--radius); padding: 36px;
    text-align: center; border: 1px solid var(--color-border); transition: var(--transition);
}
.contact-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.contact-card svg { width: 32px; height: 32px; stroke: var(--color-accent); margin: 0 auto 16px; }
.contact-card h3 { font-size: 16px; font-weight: 600; margin-bottom: 8px; }
.contact-card p { font-size: 14px; color: var(--color-text-secondary); }
.contact-card a { font-size: 14px; font-weight: 500; }
.contact-note { font-size: 12px !important; margin-top: 4px; }

/* ===== Footer ===== */
.footer {
    padding: 32px 0; border-top: 1px solid var(--color-border);
}
.footer-inner { display: flex; justify-content: space-between; align-items: center; }
.footer p { font-size: 13px; color: var(--color-text-secondary); }
.footer-links { display: flex; gap: 16px; }
.footer-links a { font-size: 13px; color: var(--color-text-secondary); }
.footer-links a:hover { color: var(--color-accent); }

/* ===== Animations ===== */
.anim-fade-up {
    opacity: 0; transform: translateY(24px);
    animation: fadeUp 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

@keyframes fadeUp {
    to { opacity: 1; transform: translateY(0); }
}

.reveal {
    opacity: 0; transform: translateY(30px);
    transition: opacity 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .nav-links { display: none; }
    .nav-menu-btn { display: flex; }

    .hero-content { grid-template-columns: 1fr; text-align: center; gap: 40px; }
    .hero-subtitle { margin-left: auto; margin-right: auto; }
    .hero-cta { justify-content: center; }
    .hero-image { order: -1; }
    .hero-image-wrapper { width: 240px; height: 300px; }

    .about-grid { grid-template-columns: 1fr; }
    .services-grid { grid-template-columns: 1fr; }
    .expertise-grid { grid-template-columns: 1fr; }
    .testimonials-grid { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }

    .footer-inner { flex-direction: column; gap: 12px; text-align: center; }
}

@media (max-width: 480px) {
    .section { padding: 64px 0; }
    .hero { padding: calc(var(--nav-height) + 24px) 16px 40px; }
    .container { padding: 0 16px; }
}