/*
Theme Name: Dawid Rebisz - Business Developer Portfolio
Theme URI: https://dawidrebisz.com
Author: Dawid Rebisz
Author URI: https://dawidrebisz.com
Description: Executive Business Development portfolio theme for Dawid Rebisz. Dark, professional design with emerald green accents targeting DACH and CEE market professionals.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.5
Requires PHP: 8.0
License: Private
Text Domain: dawid-rebisz
Tags: portfolio, business, dark, professional, one-page
*/

/* =========================================
   CSS CUSTOM PROPERTIES
   ========================================= */
:root {
    --color-bg:               #0B1326;
    --color-bg-alt:           #0F172A;
    --color-surface:          #131B2E;
    --color-surface-high:     #2a2a2a;
    --color-surface-highest:  #353534;
    --color-surface-lowest:   #0e0e0e;
    --color-primary:          #10B981;
    --color-primary-light:    #4EDEA3;
    --color-primary-dark:     #059669;
    --color-on-primary:       #002117;
    --color-text:             #e5e2e1;
    --color-text-muted:       #bac9cc;
    --color-text-dim:         #DAE2FD;
    --color-border:           #3C4A42;
    --color-outline:          #849396;

    --font-headline: 'Manrope', sans-serif;
    --font-body:     'Inter', sans-serif;

    --radius-sm:  0.25rem;
    --radius-md:  0.5rem;
    --radius-lg:  0.75rem;

    --transition: 0.3s ease;
    --shadow-xl: 0 20px 40px rgba(0,0,0,0.4);
    --shadow-nav: 0 48px 48px -12px rgba(0,0,0,0.12);
}

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

html { scroll-behavior: smooth; }

body {
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

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

ul { list-style: none; }

::selection {
    background-color: #10B981;
    color: #004d36;
}

/* =========================================
   TYPOGRAPHY UTILITIES
   ========================================= */
.font-headline  { font-family: var(--font-headline); }
.text-primary   { color: var(--color-primary); }
.text-muted     { color: var(--color-text-muted); }
.text-dim       { color: var(--color-text-dim); }
.uppercase      { text-transform: uppercase; }
.tracking-wide  { letter-spacing: 0.1em; }
.tracking-wider { letter-spacing: 0.15em; }
.tracking-widest{ letter-spacing: 0.2em; }
.italic         { font-style: italic; }

/* =========================================
   LAYOUT UTILITIES
   ========================================= */
.container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 3rem;
}

.container-narrow {
    max-width: 1152px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* =========================================
   NAVIGATION
   ========================================= */
.site-nav {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: var(--color-surface);
    box-shadow: var(--shadow-nav);
    transition: all var(--transition);
}

.site-nav__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 3rem;
    max-width: 1440px;
    margin: 0 auto;
}

.site-nav__logo {
    font-size: 1.2rem;
    font-weight: 800;
    font-family: var(--font-headline);
    color: var(--color-primary-light);
    text-transform: uppercase;
    letter-spacing: -0.03em;
}

.site-nav__links {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.site-nav__link {
    font-family: var(--font-headline);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: rgba(218, 226, 253, 0.7);
    transition: color var(--transition);
    padding-bottom: 0.25rem;
}

.site-nav__link:hover,
.site-nav__link.active {
    color: var(--color-primary-light);
}

.site-nav__link.active {
    border-bottom: 2px solid var(--color-primary-light);
}

.site-nav__lang {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-left: 1rem;
    padding-left: 1.5rem;
    border-left: 1px solid rgba(218, 226, 253, 0.2);
}

.site-nav__lang-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-family: var(--font-headline);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    transition: all var(--transition);
}

.site-nav__lang-btn.active { color: var(--color-primary-light); }
.site-nav__lang-btn:not(.active) { color: rgba(218, 226, 253, 0.7); }
.site-nav__lang-btn:not(.active):hover { color: var(--color-primary-light); }

.site-nav__lang-sep {
    color: rgba(218, 226, 253, 0.3);
    font-size: 0.75rem;
}

.site-nav__cta {
    background: var(--color-primary);
    color: var(--color-on-primary);
    border: none;
    cursor: pointer;
    padding: 0.5rem 1.5rem;
    font-family: var(--font-headline);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    border-radius: var(--radius-lg);
    transition: opacity var(--transition);
}

.site-nav__cta:hover { opacity: 0.85; }

/* Mobile menu toggle */
.site-nav__toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    flex-direction: column;
    gap: 5px;
}

.site-nav__toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: all var(--transition);
}

/* =========================================
   HERO SECTION
   ========================================= */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 6rem;
    overflow: hidden;
}

.hero__bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

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

.hero__bg-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, var(--color-bg) 40%, rgba(11,19,38,0.8) 70%, transparent);
    z-index: 1;
}

.hero__content {
    position: relative;
    z-index: 2;
    max-width: 1152px;
    margin: 0 auto;
    padding: 0 2rem;
    width: 100%;
}

.hero__inner {
    max-width: 75%;
}

.hero__heading {
    font-family: var(--font-headline);
    font-size: clamp(3.5rem, 8vw, 6rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--color-text);
    line-height: 0.9;
    margin-bottom: 2rem;
}

.hero__heading .accent { color: var(--color-primary); }

.hero__tagline {
    max-width: 40rem;
    color: var(--color-text-muted);
    font-size: 1.2rem;
    line-height: 1.7;
    margin-bottom: 3rem;
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.btn {
    display: inline-block;
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 700;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: transform var(--transition), opacity var(--transition), background var(--transition);
    text-align: center;
}

.btn--primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: var(--color-on-primary);
    box-shadow: var(--shadow-xl);
}

.btn--primary:hover { transform: scale(1.02); }

.btn--outline {
    background: transparent;
    color: var(--color-text);
    border: 1px solid rgba(60,74,66,0.4);
}

.btn--outline:hover { background: var(--color-surface-high); }

/* =========================================
   EXECUTIVE SUMMARY SECTION
   ========================================= */
.executive-summary {
    padding: 6rem 0;
    background: var(--color-bg-alt);
}

.executive-summary__grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    align-items: center;
    max-width: 1152px;
    margin: 0 auto;
    padding: 0 2rem;
}

.executive-summary__portrait {
    position: relative;
    aspect-ratio: 2/3;
    overflow: hidden;
    background: var(--color-surface-highest);
}

.executive-summary__portrait img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top;
    transition: filter 0.7s ease;
}

.executive-summary__portrait:hover img { filter: none; }

.executive-summary__portrait-label {
    position: absolute;
    bottom: 0;
    left: 0;
    padding: 0.75rem 1.25rem;
    background: var(--color-primary);
    color: var(--color-on-primary);
    font-weight: 700;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
}

.executive-summary__label {
    font-size: 0.7rem;
    font-family: var(--font-body);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-primary);
    margin-bottom: 1rem;
    display: block;
}

.executive-summary__heading {
    font-family: var(--font-headline);
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--color-text);
    line-height: 1.2;
    margin-bottom: 2rem;
}

.executive-summary__bio {
    color: var(--color-text-muted);
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 2rem;
}

.executive-summary__skills-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(60,74,66,0.2);
}

.executive-summary__skill h4 {
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 0.5rem;
}

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

/* =========================================
   EXPERIENCE SECTION
   ========================================= */
.experience {
    padding: 6rem 0;
    background: var(--color-bg);
}

.experience__inner {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 2rem;
    max-width: 1152px;
    margin: 0 auto;
    padding: 0 2rem;
}

.experience__sidebar {
    position: sticky;
    top: 8rem;
    height: fit-content;
}

.section-label {
    font-size: 0.7rem;
    font-family: var(--font-body);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
    display: block;
}

.section-heading {
    font-family: var(--font-headline);
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--color-text);
    margin-bottom: 1.5rem;
}

.experience__sidebar-desc {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    max-width: 18rem;
}

.experience__timeline {
    display: flex;
    flex-direction: column;
    gap: 4rem;
}

.timeline-item { padding-bottom: 1rem; }

.timeline-item__company {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
    display: block;
}

.timeline-item__company--muted {
    color: var(--color-text-muted);
}

.timeline-item__role {
    font-family: var(--font-headline);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 0.5rem;
}

.timeline-item__period {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    font-style: italic;
    margin-bottom: 1.5rem;
    display: block;
}

.timeline-item__bullets {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.timeline-item__bullet {
    display: flex;
    gap: 0.75rem;
    color: var(--color-text-muted);
    line-height: 1.6;
}

.timeline-item__bullet-dot {
    color: var(--color-primary);
    font-size: 0.6rem;
    margin-top: 0.45rem;
    flex-shrink: 0;
}

/* =========================================
   EDUCATION & TOOLS SECTION
   ========================================= */
.education-tools {
    padding: 6rem 0;
    background: var(--color-bg-alt);
    border-top: 1px solid rgba(60,74,66,0.1);
    border-bottom: 1px solid rgba(60,74,66,0.1);
}

.education-tools__grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    max-width: 1152px;
    margin: 0 auto;
    padding: 0 2rem;
}

.education__list { display: flex; flex-direction: column; gap: 3rem; }

.education-item {
    position: relative;
    padding-left: 2rem;
    border-left: 2px solid rgba(16,185,129,0.3);
}

.education-item__dot {
    position: absolute;
    left: -0.4rem;
    top: 0;
    width: 0.75rem;
    height: 0.75rem;
    border-radius: 50%;
    background: var(--color-primary);
}

.education-item__dot--muted { background: var(--color-outline); }

.education-item__header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}

.education-item__institution {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 0.25rem;
}

.education-item__degree {
    color: var(--color-primary);
    font-weight: 600;
}

.education-item__meta {
    text-align: right;
    flex-shrink: 0;
}

.education-item__dates {
    font-size: 0.8rem;
    padding: 0.25rem 0.75rem;
    background: var(--color-surface-high);
    border-radius: var(--radius-sm);
    color: var(--color-text-muted);
    display: inline-block;
    margin-bottom: 0.25rem;
}

.education-item__location {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    font-style: italic;
}

.education-item__desc {
    color: var(--color-text-muted);
    line-height: 1.7;
}

/* Tools & Languages */
.sidebar-widget + .sidebar-widget { margin-top: 4rem; }

.sidebar-widget__title {
    font-family: var(--font-headline);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 2rem;
}

.tools-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.tool-tag {
    padding: 0.5rem 1rem;
    background: var(--color-surface-lowest);
    color: var(--color-primary);
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid rgba(16,185,129,0.2);
}

.language-list { display: flex; flex-direction: column; gap: 1rem; }

.language-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid rgba(60,74,66,0.15);
}

.language-item__name { font-weight: 700; color: var(--color-text); }

.language-item__level {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-primary);
}

/* =========================================
   CONTACT / CTA SECTION
   ========================================= */
.contact {
    position: relative;
    padding: 8rem 0;
    background: var(--color-bg);
    overflow: hidden;
    text-align: center;
}

.contact__inner {
    position: relative;
    z-index: 1;
    max-width: 56rem;
    margin: 0 auto;
    padding: 0 2rem;
}

.contact__label {
    font-size: 0.7rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-primary);
    margin-bottom: 1.5rem;
    display: block;
}

.contact__heading {
    font-family: var(--font-headline);
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 800;
    letter-spacing: -0.04em;
    line-height: 1.1;
    margin-bottom: 2rem;
    color: var(--color-text);
}

.contact__heading .accent {
    color: var(--color-primary);
    font-style: italic;
}

.contact__desc {
    color: var(--color-text-muted);
    font-size: 1.2rem;
    margin-bottom: 3rem;
    max-width: 40rem;
    margin-left: auto;
    margin-right: auto;
}

.contact__actions {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.contact__btn-primary {
    background: var(--color-primary);
    color: var(--color-on-primary);
    padding: 1.25rem 3rem;
    font-weight: 700;
    font-size: 1.1rem;
    border-radius: var(--radius-md);
    box-shadow: 0 0 40px rgba(16,185,129,0.25);
    transition: transform var(--transition);
    display: inline-block;
}

.contact__btn-primary:hover { transform: scale(1.05); }

.contact__btn-secondary {
    background: var(--color-surface-high);
    color: var(--color-text);
    padding: 1.25rem 3rem;
    font-weight: 700;
    font-size: 1.1rem;
    border-radius: var(--radius-md);
    border: 1px solid rgba(16,185,129,0.2);
    transition: background var(--transition);
    display: inline-block;
}

.contact__btn-secondary:hover { background: var(--color-surface-highest); }

.contact__glow {
    position: absolute;
    bottom: -6rem;
    right: -6rem;
    width: 24rem;
    height: 24rem;
    background: rgba(16,185,129,0.05);
    border-radius: 50%;
    filter: blur(100px);
    pointer-events: none;
}

/* =========================================
   FOOTER
   ========================================= */
.site-footer {
    background: var(--color-bg);
    padding: 4rem 0;
    border-top: 1px solid rgba(60,74,66,0.15);
}

.site-footer__inner {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 3rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
}

.site-footer__name {
    font-family: var(--font-headline);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-text-dim);
    margin-bottom: 0.5rem;
}

.site-footer__copy {
    font-family: var(--font-headline);
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    color: rgba(218, 226, 253, 0.5);
}

.site-footer__links {
    display: flex;
    gap: 2rem;
}

.site-footer__link {
    font-family: var(--font-headline);
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    color: rgba(218, 226, 253, 0.5);
    transition: color var(--transition);
}

.site-footer__link:hover { color: var(--color-primary-light); }

/* =========================================
   MOBILE NAVIGATION MENU
   ========================================= */
.site-nav__mobile-menu {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--color-surface);
    z-index: 999;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2.5rem;
}

.site-nav__mobile-menu.open { display: flex; }

.site-nav__mobile-menu .site-nav__link {
    font-size: 1.5rem;
    letter-spacing: 0.1em;
}

.site-nav__mobile-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-text);
    font-size: 2rem;
    line-height: 1;
    transition: color var(--transition);
}

.site-nav__mobile-close:hover { color: var(--color-primary); }

/* =========================================
   RESPONSIVE
   ========================================= */
@media (max-width: 1024px) {
    .executive-summary__grid { grid-template-columns: 1fr; max-width: 640px; }
    .experience__inner { grid-template-columns: 1fr; }
    .experience__sidebar { position: static; margin-bottom: 2rem; }
    .education-tools__grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .container, .site-nav__inner { padding-left: 1.25rem; padding-right: 1.25rem; }
    .site-nav__links { display: none; }
    .site-nav__cta { display: none; }
    .site-nav__toggle { display: flex; }
    .hero__inner { max-width: 100%; }
    .hero__heading { font-size: clamp(2.5rem, 10vw, 4rem); }
    .contact__heading { font-size: 2rem; }
    .site-footer__inner { flex-direction: column; text-align: center; }
    .executive-summary__skills-grid { grid-template-columns: 1fr; }
    .education-item__header { flex-direction: column; }
    .education-item__meta { text-align: left; }
}

@media (max-width: 480px) {
    .hero__actions { flex-direction: column; }
    .contact__actions { flex-direction: column; align-items: center; }
    .btn, .contact__btn-primary, .contact__btn-secondary { width: 100%; max-width: 18rem; }
}