/* ============================================
   Keren Gal — Personal Website
   Israeli-style: warm earth tones, Mediterranean
   blues, bold typography, clean modern layout
   ============================================ */

/* --- CSS Variables --- */
:root {
    --color-primary: #1a5276;
    --color-primary-light: #2980b9;
    --color-accent: #c0956c;
    --color-accent-light: #d4aa80;
    --color-accent-warm: #e8c9a0;
    --color-dark: #1a1a2e;
    --color-text: #2c3e50;
    --color-text-light: #5d6d7e;
    --color-bg: #faf8f5;
    --color-bg-warm: #f5f0ea;
    --color-bg-card: #ffffff;
    --color-sand: #e8ddd0;
    --color-terracotta: #c0956c;
    --color-olive: #6b7c5e;
    --color-white: #ffffff;
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --shadow-sm: 0 2px 8px rgba(26, 26, 46, 0.06);
    --shadow-md: 0 4px 20px rgba(26, 26, 46, 0.08);
    --shadow-lg: 0 8px 40px rgba(26, 26, 46, 0.12);
    --shadow-xl: 0 20px 60px rgba(26, 26, 46, 0.15);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 32px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
    font-family: var(--font-body);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 120px 0;
}

/* --- Navigation --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(250, 248, 245, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 12px 0;
    box-shadow: var(--shadow-sm);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: -0.02em;
    transition: var(--transition);
}

.nav-logo:hover {
    color: var(--color-accent);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 8px;
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-light);
    padding: 8px 16px;
    border-radius: 100px;
    transition: var(--transition);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-primary);
    background: rgba(26, 82, 118, 0.06);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

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

/* --- Hero Section --- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-bg-warm) 50%, var(--color-sand) 100%);
}

.hero-bg-pattern {
    position: absolute;
    inset: 0;
    opacity: 0.03;
    background-image: 
        radial-gradient(circle at 20% 50%, var(--color-primary) 1px, transparent 1px),
        radial-gradient(circle at 80% 20%, var(--color-accent) 1px, transparent 1px);
    background-size: 60px 60px, 80px 80px;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    width: 100%;
}

.hero-tag {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-accent);
    background: rgba(192, 149, 108, 0.12);
    padding: 8px 20px;
    border-radius: 100px;
    margin-bottom: 24px;
}

.hero-title {
    font-family: var(--font-display);
    font-size: 5rem;
    font-weight: 700;
    line-height: 1.05;
    color: var(--color-dark);
    margin-bottom: 24px;
}

.title-line {
    display: block;
}

.title-accent {
    color: var(--color-primary);
    position: relative;
}

.title-accent::after {
    display: none;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--color-text-light);
    line-height: 1.8;
    max-width: 480px;
    margin-bottom: 40px;
}

.hero-cta {
    display: flex;
    gap: 16px;
    margin-bottom: 60px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    border-radius: 100px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-white);
    box-shadow: 0 4px 16px rgba(26, 82, 118, 0.3);
}

.btn-primary:hover {
    background: var(--color-primary-light);
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(26, 82, 118, 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--color-text);
    border: 2px solid var(--color-sand);
}

.btn-outline:hover {
    border-color: var(--color-accent);
    color: var(--color-primary);
    background: rgba(192, 149, 108, 0.06);
}

/* Hero Stats */
.hero-stats {
    display: flex;
    align-items: center;
    gap: 32px;
}

.stat-number {
    display: block;
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-dark);
}

.stat-label {
    display: block;
    font-size: 0.82rem;
    color: var(--color-text-light);
    font-weight: 500;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--color-sand);
}

/* Hero Visual */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image-wrapper {
    position: relative;
    width: 400px;
    height: 480px;
}

.hero-image-frame {
    width: 100%;
    height: 100%;
    border-radius: var(--radius-xl);
    overflow: hidden;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    position: relative;
    z-index: 2;
    box-shadow: var(--shadow-xl);
}

.hero-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    display: block;
}

.hero-decoration {
    position: absolute;
    border-radius: var(--radius-xl);
    z-index: 1;
}

.hero-dec-1 {
    width: 100%;
    height: 100%;
    top: 16px;
    left: 16px;
    background: var(--color-accent-warm);
    opacity: 0.5;
}

.hero-dec-2 {
    width: 80px;
    height: 80px;
    top: -30px;
    right: -30px;
    background: var(--color-accent);
    border-radius: 50%;
    opacity: 0.2;
    z-index: 3;
}

.hero-dec-3 {
    width: 120px;
    height: 120px;
    bottom: -20px;
    left: -20px;
    border: 3px solid var(--color-accent);
    opacity: 0.2;
    border-radius: 50%;
    z-index: 3;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.scroll-indicator span {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-text-light);
    font-weight: 500;
}

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

@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; transform: scaleY(0.5); }
    50% { opacity: 1; transform: scaleY(1); }
}

/* --- Section Headers --- */
.section-header {
    margin-bottom: 64px;
}

.section-header.center {
    text-align: center;
}

.section-tag {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-accent);
    margin-bottom: 16px;
}

.section-title {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-dark);
    line-height: 1.15;
}

.section-desc {
    font-size: 1.1rem;
    color: var(--color-text-light);
    max-width: 560px;
    margin: 16px auto 0;
    line-height: 1.8;
}

/* --- About Section --- */
.about {
    background: var(--color-white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 80px;
    align-items: start;
}

.about-lead {
    font-size: 1.2rem;
    color: var(--color-dark);
    font-weight: 500;
    line-height: 1.8;
    margin-bottom: 20px;
}

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

.about-highlights {
    margin-top: 36px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

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

.highlight-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.highlight strong {
    display: block;
    font-size: 0.95rem;
    color: var(--color-dark);
}

.highlight span {
    font-size: 0.85rem;
    color: var(--color-text-light);
}

.about-card {
    background: linear-gradient(135deg, var(--color-bg-warm), var(--color-sand));
    border-radius: var(--radius-lg);
    padding: 48px 40px;
    position: relative;
    overflow: hidden;
}

.card-accent {
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--color-accent), var(--color-primary));
    border-radius: 0 4px 4px 0;
}

.about-card blockquote {
    font-family: var(--font-display);
    font-size: 1.35rem;
    font-weight: 600;
    color: var(--color-dark);
    line-height: 1.6;
    font-style: italic;
    margin-bottom: 20px;
}

.about-card cite {
    font-size: 0.9rem;
    color: var(--color-accent);
    font-weight: 600;
    font-style: normal;
}

/* --- Experience / Timeline --- */
.experience {
    background: var(--color-bg);
}

.timeline {
    position: relative;
    padding-left: 48px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 11px;
    top: 8px;
    bottom: 8px;
    width: 2px;
    background: linear-gradient(180deg, var(--color-accent), var(--color-sand));
}

.timeline-item {
    position: relative;
    margin-bottom: 48px;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.timeline-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.timeline-marker {
    position: absolute;
    left: -48px;
    top: 8px;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: 3px solid var(--color-sand);
    background: var(--color-bg);
    z-index: 2;
    transition: var(--transition);
}

.timeline-marker.current {
    border-color: var(--color-accent);
    background: var(--color-accent);
    box-shadow: 0 0 0 6px rgba(192, 149, 108, 0.2);
}

.timeline-item:hover .timeline-marker {
    border-color: var(--color-accent);
    transform: scale(1.2);
}

.timeline-content {
    background: var(--color-white);
    border-radius: var(--radius-md);
    padding: 32px 36px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid rgba(232, 221, 208, 0.5);
}

.timeline-content:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(4px);
}

.timeline-badge {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-white);
    background: var(--color-accent);
    padding: 4px 14px;
    border-radius: 100px;
    margin-bottom: 12px;
}

.timeline-content h3 {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 4px;
}

.timeline-content h4 {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.timeline-content h4 i {
    font-size: 0.85rem;
    color: var(--color-accent);
}

.timeline-date {
    display: inline-block;
    font-size: 0.85rem;
    color: var(--color-text-light);
    font-weight: 500;
    margin-bottom: 12px;
}

.timeline-content p {
    color: var(--color-text-light);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 16px;
}

.timeline-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag {
    display: inline-block;
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--color-primary);
    background: rgba(26, 82, 118, 0.06);
    padding: 4px 14px;
    border-radius: 100px;
    border: 1px solid rgba(26, 82, 118, 0.1);
}

/* --- Expertise Section --- */
.expertise {
    background: var(--color-white);
}

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.expertise-card {
    background: var(--color-bg);
    border-radius: var(--radius-md);
    padding: 40px 32px;
    transition: var(--transition);
    border: 1px solid transparent;
    opacity: 0;
    transform: translateY(20px);
}

.expertise-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.expertise-card:hover {
    background: var(--color-white);
    border-color: var(--color-sand);
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

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

.expertise-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-sm);
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.4rem;
    margin-bottom: 24px;
    transition: var(--transition);
}

.expertise-card:hover .expertise-icon {
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
    transform: scale(1.05);
}

.expertise-card h3 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 12px;
}

.expertise-card p {
    color: var(--color-text-light);
    font-size: 0.92rem;
    line-height: 1.7;
}

/* --- Philosophy Section --- */
.philosophy {
    background: var(--color-dark);
    color: var(--color-white);
    position: relative;
    overflow: hidden;
}

.philosophy::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at 10% 90%, rgba(192, 149, 108, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 90% 10%, rgba(26, 82, 118, 0.15) 0%, transparent 50%);
}

.philosophy .section-tag {
    color: var(--color-accent-light);
}

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

.philosophy-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    position: relative;
    z-index: 1;
}

.philosophy-card {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    padding: 40px 36px;
    transition: var(--transition);
}

.philosophy-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(192, 149, 108, 0.3);
    transform: translateY(-4px);
}

.philosophy-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-accent);
    opacity: 0.4;
    margin-bottom: 12px;
    line-height: 1;
}

.philosophy-card h3 {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--color-white);
}

.philosophy-card p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* --- Contact Section --- */
.contact {
    background: var(--color-bg);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
    max-width: 400px;
    margin: 0 auto;
}

.contact-card {
    background: var(--color-white);
    border-radius: var(--radius-md);
    padding: 40px 32px;
    text-align: center;
    border: 1px solid rgba(232, 221, 208, 0.5);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.contact-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
    border-color: var(--color-accent);
}

.contact-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.4rem;
    margin-bottom: 20px;
    transition: var(--transition);
}

.contact-card:hover .contact-icon {
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
    transform: scale(1.1);
}

.contact-card h3 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 8px;
}

.contact-card p {
    color: var(--color-text-light);
    font-size: 0.9rem;
    margin-bottom: 8px;
}

.contact-arrow {
    margin-top: auto;
    color: var(--color-accent);
    font-size: 1rem;
    opacity: 0;
    transform: translateX(-8px);
    transition: var(--transition);
}

.contact-card:hover .contact-arrow {
    opacity: 1;
    transform: translateX(0);
}

.contact-detail {
    font-size: 0.82rem;
    color: var(--color-accent);
    font-weight: 500;
}

/* --- Footer --- */
.footer {
    background: var(--color-dark);
    color: rgba(255, 255, 255, 0.5);
    padding: 60px 0;
}

.footer-content {
    text-align: center;
}

.footer-logo {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: 12px;
}

.footer-text {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 24px;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 32px;
}

.footer-links a {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.5);
    font-size: 1.1rem;
    transition: var(--transition);
}

.footer-links a:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-white);
}

.footer-copy {
    font-size: 0.82rem;
    color: rgba(255, 255, 255, 0.3);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 3.8rem;
    }
    .hero-container {
        gap: 40px;
    }
    .hero-image-wrapper {
        width: 320px;
        height: 400px;
    }
    .section-title {
        font-size: 2.5rem;
    }
    .about-grid {
        gap: 48px;
    }
    .expertise-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background: var(--color-white);
        flex-direction: column;
        padding: 100px 40px 40px;
        gap: 4px;
        box-shadow: var(--shadow-xl);
        transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: 999;
    }

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

    .nav-toggle {
        display: flex;
        z-index: 1001;
    }

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

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 48px;
        padding-top: 120px;
    }

    .hero-title {
        font-size: 3.2rem;
    }

    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }

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

    .hero-stats {
        justify-content: center;
    }

    .hero-visual {
        order: -1;
    }

    .hero-image-wrapper {
        width: 250px;
        height: 300px;
    }

    .section {
        padding: 80px 0;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .timeline {
        padding-left: 36px;
    }

    .timeline-marker {
        left: -36px;
        width: 20px;
        height: 20px;
    }

    .timeline-content {
        padding: 24px;
    }

    .expertise-grid {
        grid-template-columns: 1fr;
    }

    .philosophy-grid {
        grid-template-columns: 1fr;
    }

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

    .scroll-indicator {
        display: none;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .hero-stats {
        flex-direction: column;
        gap: 16px;
    }

    .stat-divider {
        width: 40px;
        height: 1px;
    }

    .section-title {
        font-size: 2rem;
    }

    .btn {
        padding: 12px 24px;
        font-size: 0.9rem;
    }
}

/* --- Animations --- */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-tag,
.hero-title,
.hero-subtitle,
.hero-cta,
.hero-stats {
    animation: fadeInUp 0.8s ease forwards;
    opacity: 0;
}

.hero-tag { animation-delay: 0.1s; }
.hero-title { animation-delay: 0.2s; }
.hero-subtitle { animation-delay: 0.4s; }
.hero-cta { animation-delay: 0.6s; }
.hero-stats { animation-delay: 0.8s; }

.hero-visual {
    animation: fadeInUp 1s ease 0.3s forwards;
    opacity: 0;
}