/* ============================================
   Ran Yefet — Personal Website
   Apple-level minimal aesthetics
   ============================================ */

/* --- Custom Properties --- */
:root {
    --color-bg: #FAFAFA;
    --color-bg-alt: #F5F0EB;
    --color-text: #1A1A1A;
    --color-text-secondary: #6B6B6B;
    --color-accent: #8B5E3C;
    --color-accent-hover: #6D4A2E;
    --color-border: #E8E0D8;
    --color-white: #FFFFFF;

    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-base: 18px;
    --line-height: 1.7;

    --nav-height: 72px;
    --container-width: 960px;
    --container-padding: 24px;

    --transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-slow: 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

html.lenis, html.lenis body {
    height: auto;
}

.lenis.lenis-smooth {
    scroll-behavior: auto !important;
}

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

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height);
    color: var(--color-text);
    background-color: var(--color-bg);
}

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

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

/* --- Container --- */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* --- Section --- */
.section {
    padding: 120px 0;
}

.section-title {
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 48px;
}

/* --- Scroll Reveal --- */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

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

/* ============================================
   Navigation
   ============================================ */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    height: var(--nav-height);
    transition: background-color var(--transition), box-shadow var(--transition);
}

.nav.scrolled {
    background-color: rgba(250, 250, 250, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 var(--color-border);
}

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

.nav-logo {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--color-text);
    transition: color var(--transition);
}

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

.nav-links {
    display: flex;
    list-style: none;
    gap: 36px;
}

.nav-links a {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-secondary);
    transition: color var(--transition);
    letter-spacing: 0.01em;
}

.nav-links a:hover {
    color: var(--color-text);
}

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

.nav-toggle span {
    width: 20px;
    height: 1.5px;
    background-color: var(--color-text);
    transition: transform var(--transition), opacity var(--transition);
}

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

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

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

/* ============================================
   Hero
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0 var(--container-padding);
    position: relative;
    overflow: hidden;
}

/* Animated gradient background */
.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(ellipse at 20% 50%, rgba(139, 94, 60, 0.08) 0%, transparent 50%),
                radial-gradient(ellipse at 80% 20%, rgba(139, 94, 60, 0.06) 0%, transparent 50%),
                radial-gradient(ellipse at 50% 80%, rgba(109, 74, 46, 0.05) 0%, transparent 50%);
    animation: gradientDrift 12s ease-in-out infinite alternate;
    z-index: 0;
}

@keyframes gradientDrift {
    0% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(2%, -3%) scale(1.02); }
    66% { transform: translate(-2%, 2%) scale(0.98); }
    100% { transform: translate(1%, -1%) scale(1.01); }
}

.hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    z-index: 1;
}

/* Hero entrance animations */
.hero-photo {
    opacity: 0;
    transform: scale(0.8);
    animation: heroFadeUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.2s forwards;
}

.hero-name {
    opacity: 0;
    transform: translateY(20px);
    animation: heroFadeUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.5s forwards;
}

.hero-name-he {
    opacity: 0;
    transform: translateY(20px);
    animation: heroFadeUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.65s forwards;
}

.hero-title {
    opacity: 0;
    transform: translateY(20px);
    animation: heroFadeUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.85s forwards;
}

.hero-tagline {
    opacity: 0;
    transform: translateY(20px);
    animation: heroFadeUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 1.0s forwards;
}

.scroll-indicator {
    opacity: 0;
    animation: heroFadeUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 1.4s forwards;
}

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

.hero-photo {
    width: 160px;
    height: 160px;
    border-radius: 50%;
    overflow: hidden;
    margin-bottom: 40px;
    border: 1px solid var(--color-border);
    background-color: var(--color-bg-alt);
}

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

.hero-name {
    font-size: 56px;
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.1;
    color: var(--color-text);
}

.hero-name-he {
    font-size: 20px;
    font-weight: 300;
    color: var(--color-text-secondary);
    margin-top: 8px;
    letter-spacing: 0.04em;
}

.hero-title {
    font-size: 18px;
    font-weight: 400;
    color: var(--color-text-secondary);
    margin-top: 20px;
}

.hero-tagline {
    font-size: 16px;
    font-weight: 300;
    color: var(--color-text-secondary);
    margin-top: 8px;
    font-style: italic;
}

/* Scroll indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
}

.scroll-line {
    width: 1px;
    height: 48px;
    background: linear-gradient(to bottom, var(--color-accent), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 1; transform: scaleY(1); }
    50% { opacity: 0.3; transform: scaleY(0.6); }
}

/* ============================================
   About
   ============================================ */
.about {
    background-color: var(--color-bg);
}

.about-content {
    max-width: 640px;
}

.about-content p {
    margin-bottom: 24px;
    line-height: 1.8;
    font-size: 20px;
}

.about-content p:last-child {
    margin-bottom: 0;
}

/* Text reveal on scroll */
.about-content .word {
    color: var(--color-border);
    transition: color 0.3s ease;
    display: inline;
}

.about-content .word.lit {
    color: var(--color-text);
}

/* ============================================
   Journey / Timeline
   ============================================ */
.journey {
    background-color: var(--color-bg-alt);
}

.timeline {
    position: relative;
    padding-left: 32px;
}

/* Static track */
.timeline::before {
    content: '';
    position: absolute;
    left: 5px;
    top: 8px;
    bottom: 8px;
    width: 1px;
    background-color: var(--color-border);
}

/* Animated progress line */
.timeline::after {
    content: '';
    position: absolute;
    left: 5px;
    top: 8px;
    bottom: 8px;
    width: 1px;
    background-color: var(--color-accent);
    transform-origin: top;
    transform: scaleY(var(--timeline-progress, 0));
    transition: transform 0.1s linear;
}

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

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-marker {
    position: absolute;
    left: -32px;
    top: 8px;
    width: 11px;
    height: 11px;
    border-radius: 50%;
    background-color: var(--color-bg-alt);
    border: 2px solid var(--color-border);
    z-index: 1;
    transition: border-color 0.4s ease, background-color 0.4s ease, transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.timeline-marker.reached {
    border-color: var(--color-accent);
    transform: scale(1.3);
}

.timeline-item:last-child .timeline-marker.reached {
    background-color: var(--color-accent);
}

.timeline-period {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-accent);
    letter-spacing: 0.04em;
    margin-bottom: 8px;
}

.timeline-content h3 {
    font-size: 20px;
    font-weight: 600;
    letter-spacing: -0.01em;
    margin-bottom: 8px;
    color: var(--color-text);
}

.timeline-content p {
    font-size: 16px;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* ============================================
   Philosophy
   ============================================ */
.philosophy {
    background-color: var(--color-bg);
}

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

.philosophy-card {
    padding: 36px;
    border: 1px solid var(--color-border);
    border-radius: 12px;
    transition: border-color var(--transition), box-shadow var(--transition);
    transform-style: preserve-3d;
    will-change: transform;
    position: relative;
    overflow: hidden;
}

.philosophy-card::after {
    content: '';
    position: absolute;
    top: var(--mouse-y, 50%);
    left: var(--mouse-x, 50%);
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(139, 94, 60, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    opacity: 0;
    transition: opacity var(--transition);
    pointer-events: none;
}

.philosophy-card:hover::after {
    opacity: 1;
}

.philosophy-card:hover {
    border-color: var(--color-accent);
    box-shadow: 0 8px 32px rgba(139, 94, 60, 0.1);
}

.philosophy-icon {
    color: var(--color-accent);
    margin-bottom: 20px;
}

.philosophy-card h3 {
    font-size: 18px;
    font-weight: 600;
    letter-spacing: -0.01em;
    margin-bottom: 12px;
    color: var(--color-text);
}

.philosophy-card p {
    font-size: 15px;
    line-height: 1.65;
    color: var(--color-text-secondary);
}

.philosophy-card--wide {
    grid-column: 1 / -1;
    text-align: center;
    max-width: 560px;
    justify-self: center;
}

/* ============================================
   Connect
   ============================================ */
.connect {
    background-color: var(--color-bg-alt);
}

.connect-subtitle {
    font-size: 16px;
    color: var(--color-text-secondary);
    margin-top: -32px;
    margin-bottom: 48px;
}

.connect-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
}

/* Form */
.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.04em;
    color: var(--color-text);
    margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    font-family: var(--font-family);
    font-size: 16px;
    color: var(--color-text);
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    outline: none;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(139, 94, 60, 0.1);
}

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

.form-submit {
    display: inline-flex;
    align-items: center;
    padding: 14px 32px;
    font-family: var(--font-family);
    font-size: 15px;
    font-weight: 600;
    color: var(--color-white);
    background-color: var(--color-accent);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color var(--transition), transform var(--transition);
}

.form-submit:hover {
    background-color: var(--color-accent-hover);
    transform: translateY(-1px);
}

.form-submit:active {
    transform: translateY(0);
}

.form-status {
    margin-top: 16px;
    font-size: 14px;
    color: var(--color-accent);
    min-height: 20px;
}

/* Social links */
.social-links {
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding-top: 8px;
}

.social-link {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
    font-weight: 500;
    color: var(--color-text-secondary);
    transition: color var(--transition);
    padding: 8px 0;
}

.social-link:hover {
    color: var(--color-accent);
}

.social-link svg {
    flex-shrink: 0;
}

/* ============================================
   Footer
   ============================================ */
.footer {
    padding: 40px 0;
    text-align: center;
    background-color: var(--color-bg);
    border-top: 1px solid var(--color-border);
}

.footer p {
    font-size: 14px;
    color: var(--color-text-secondary);
}

.footer-note {
    margin-top: 4px;
    font-size: 13px !important;
    color: var(--color-border) !important;
}

/* ============================================
   Language Switcher
   ============================================ */
.lang-switch {
    font-weight: 600 !important;
    color: var(--color-accent) !important;
    border: 1px solid var(--color-accent);
    border-radius: 4px;
    padding: 2px 8px;
    font-size: 12px !important;
    letter-spacing: 0.02em !important;
    transition: background-color var(--transition), color var(--transition) !important;
}

.lang-switch:hover {
    background-color: var(--color-accent);
    color: var(--color-white) !important;
}

/* ============================================
   RTL Support
   ============================================ */
[dir="rtl"] {
    text-align: right;
}

[dir="rtl"] .hero,
[dir="rtl"] .footer {
    text-align: center;
}

/* RTL Timeline — flip to right side */
[dir="rtl"] .timeline {
    padding-left: 0;
    padding-right: 32px;
}

[dir="rtl"] .timeline::before {
    left: auto;
    right: 5px;
}

[dir="rtl"] .timeline::after {
    left: auto;
    right: 5px;
}

[dir="rtl"] .timeline-marker {
    left: auto;
    right: -32px;
}

/* RTL Philosophy wide card centered */
[dir="rtl"] .philosophy-card--wide {
    text-align: center;
}

/* RTL form input direction */
[dir="rtl"] .form-group input[dir="ltr"] {
    text-align: left;
}

/* ============================================
   Responsive
   ============================================ */

/* Tablet */
@media (max-width: 768px) {
    :root {
        --container-padding: 20px;
    }

    .section {
        padding: 80px 0;
    }

    /* Nav mobile */
    .nav-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background-color: rgba(250, 250, 250, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 32px;
        opacity: 0;
        visibility: hidden;
        transition: opacity var(--transition), visibility var(--transition);
    }

    .nav-links.open {
        opacity: 1;
        visibility: visible;
    }

    .nav-links a {
        font-size: 24px;
    }

    /* Hero */
    .hero-name {
        font-size: 40px;
    }

    .hero-photo {
        width: 120px;
        height: 120px;
        margin-bottom: 32px;
    }

    /* Philosophy grid */
    .philosophy-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    /* Connect layout */
    .connect-layout {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .social-links {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 24px;
    }
}

/* Small mobile */
@media (max-width: 480px) {
    .hero-name {
        font-size: 32px;
    }

    .hero-name-he {
        font-size: 18px;
    }

    .section-title {
        margin-bottom: 32px;
    }

    .philosophy-card {
        padding: 24px;
    }

    .connect-subtitle {
        margin-top: -16px;
        margin-bottom: 32px;
    }
}