/* ==========================================================================
   Variables
   ========================================================================== */

:root {
    --color-bg: #f8f6f3;
    --color-bg-alt: #f0ece6;
    --color-text: #2c2c2c;
    --color-text-muted: #6b6b6b;
    --color-accent: #3d5a4c;
    --color-accent-light: #5a7d6a;
    --color-warm: #c4a77d;
    --color-border: #e0dcd6;
    --font-serif: 'Cormorant Garamond', Georgia, serif;
    --font-sans: 'DM Sans', system-ui, sans-serif;
}

/* ==========================================================================
   Base
   ========================================================================== */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.7;
    font-size: 16px;
}

::selection {
    background-color: var(--color-accent);
    color: var(--color-bg);
}

/* ==========================================================================
   Navigation
   ========================================================================== */

nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    padding: 1.5rem 3rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 100;
    background: linear-gradient(to bottom, var(--color-bg) 60%, transparent);
}

.nav-logo {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--color-text);
    text-decoration: none;
    letter-spacing: 0.02em;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 3rem;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
}

.nav-links a {
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    transition: color 0.3s ease;
}

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

/* Language Toggle */
.lang-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--color-bg-alt);
    padding: 0.4rem;
    border-radius: 2px;
}

.lang-btn {
    padding: 0.4rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    background: transparent;
    border: none;
    color: var(--color-text-muted);
    cursor: pointer;
    transition: all 0.3s ease;
}

.lang-btn.active {
    background: var(--color-accent);
    color: var(--color-bg);
}

.lang-btn:hover:not(.active) {
    color: var(--color-accent);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 6rem 3rem 4rem;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
}

.hero-content {
    max-width: 800px;
}

.hero-label {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 1.5rem;
    opacity: 0;
    animation: fadeUp 0.8s ease forwards;
    animation-delay: 0.2s;
}

.hero-name {
    font-family: var(--font-serif);
    font-size: clamp(3rem, 8vw, 5.5rem);
    font-weight: 400;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    opacity: 0;
    animation: fadeUp 0.8s ease forwards;
    animation-delay: 0.4s;
}

.hero-title {
    font-family: var(--font-serif);
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    font-weight: 400;
    font-style: italic;
    color: var(--color-text-muted);
    margin-bottom: 2rem;
    opacity: 0;
    animation: fadeUp 0.8s ease forwards;
    animation-delay: 0.6s;
}

.hero-intro {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    max-width: 600px;
    opacity: 0;
    animation: fadeUp 0.8s ease forwards;
    animation-delay: 0.8s;
}

.hero-cta {
    margin-top: 3rem;
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    opacity: 0;
    animation: fadeUp 0.8s ease forwards;
    animation-delay: 1s;
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: var(--color-accent);
    color: var(--color-bg);
}

.btn-primary:hover {
    background-color: var(--color-accent-light);
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

/* ==========================================================================
   Scroll Indicator
   ========================================================================== */

.scroll-indicator {
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    opacity: 0;
    animation: fadeIn 1s ease forwards;
    animation-delay: 1.5s;
}

.scroll-indicator span {
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-text-muted);
}

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

/* ==========================================================================
   Sections
   ========================================================================== */

section {
    padding: 6rem 3rem;
    max-width: 1200px;
    margin: 0 auto;
}

.section-header {
    display: flex;
    align-items: baseline;
    gap: 1.5rem;
    margin-bottom: 4rem;
}

.section-number {
    font-family: var(--font-serif);
    font-size: 1rem;
    color: var(--color-warm);
}

.section-title {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 400;
}

.section-line {
    flex: 1;
    height: 1px;
    background-color: var(--color-border);
}

/* ==========================================================================
   About Section
   ========================================================================== */

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.about-text p {
    margin-bottom: 1.5rem;
    color: var(--color-text-muted);
}

.about-text p:first-child {
    font-size: 1.25rem;
    color: var(--color-text);
}

.about-highlights {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.highlight-card {
    padding: 2rem;
    background: var(--color-bg-alt);
    border-left: 2px solid var(--color-accent);
}

.highlight-number {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    color: var(--color-accent);
    margin-bottom: 0.5rem;
}

.highlight-label {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ==========================================================================
   Experience Section
   ========================================================================== */

.experience-grid {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.experience-item {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 3rem;
    padding: 3rem 0;
    border-bottom: 1px solid var(--color-border);
    transition: all 0.3s ease;
}

.experience-item:first-child {
    border-top: 1px solid var(--color-border);
}

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

.experience-period {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    font-weight: 500;
}

.experience-company {
    font-family: var(--font-serif);
    font-size: 1rem;
    font-style: italic;
    color: var(--color-accent);
    margin-top: 0.25rem;
}

.experience-content h3 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.experience-description {
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    margin-bottom: 1.5rem;
}

.experience-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    padding: 0.35rem 0.75rem;
    background-color: var(--color-bg-alt);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-text-muted);
    border: 1px solid var(--color-border);
}

/* ==========================================================================
   Skills Section
   ========================================================================== */

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

.skill-category h3 {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--color-border);
}

.skill-list {
    list-style: none;
}

.skill-list li {
    padding: 0.75rem 0;
    font-size: 0.9375rem;
    color: var(--color-text-muted);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.skill-list li::before {
    content: '';
    width: 6px;
    height: 6px;
    background-color: var(--color-warm);
    border-radius: 50%;
    flex-shrink: 0;
}

/* ==========================================================================
   Education Section
   ========================================================================== */

.education-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.education-card {
    padding: 2.5rem;
    background: var(--color-bg-alt);
    position: relative;
    overflow: hidden;
}

.education-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-warm));
}

.education-card h3 {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.education-card .institution {
    font-size: 0.875rem;
    color: var(--color-accent);
    font-weight: 500;
    margin-bottom: 1rem;
}

.education-card p {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

/* ==========================================================================
   Certifications
   ========================================================================== */

.certifications {
    margin-top: 4rem;
}

.certifications h3 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    margin-bottom: 2rem;
}

.cert-grid {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.cert-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    border: 1px solid var(--color-border);
    background: var(--color-bg);
}

.cert-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent);
    color: var(--color-bg);
    font-family: var(--font-serif);
    font-size: 1.25rem;
    flex-shrink: 0;
}

.cert-item span {
    font-size: 0.875rem;
    font-weight: 500;
}

/* ==========================================================================
   Contact Section
   ========================================================================== */

.contact {
    background: var(--color-bg-alt);
    padding: 6rem 3rem;
    margin: 6rem 0 0;
    max-width: none;
}

.contact-inner {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.contact h2 {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 400;
    margin-bottom: 1.5rem;
}

.contact p {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    margin-bottom: 3rem;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.contact-links {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.contact-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: var(--color-text);
    transition: color 0.3s ease;
}

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

.contact-link .label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
}

.contact-link .value {
    font-family: var(--font-serif);
    font-size: 1.125rem;
}

/* ==========================================================================
   Footer
   ========================================================================== */

footer {
    padding: 2rem 3rem;
    text-align: center;
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

/* ==========================================================================
   Animations
   ========================================================================== */

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes scrollPulse {
    0%, 100% { opacity: 1; transform: scaleY(1); }
    50% { opacity: 0.5; transform: scaleY(0.8); }
}

/* Scroll animations */
.fade-in {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Language transition */
[data-i18n] {
    transition: opacity 0.2s ease;
}

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

@media (max-width: 900px) {
    nav {
        padding: 1rem 1.5rem;
    }

    .nav-links {
        display: none;
    }

    section,
    .hero {
        padding: 4rem 1.5rem;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .experience-item {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .skills-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

    .contact {
        padding: 4rem 1.5rem;
    }
}

@media (max-width: 600px) {
    .about-highlights {
        grid-template-columns: 1fr;
    }

    .hero-cta {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    .cert-grid {
        flex-direction: column;
    }

    .contact-links {
        flex-direction: column;
        gap: 2rem;
    }
}