/* ==========================================================================
   DESIGN TOKENS & VARIABLES
   ========================================================================== */
   :root {
    /* Extrase din logo-ul Student Romania */
    --color-primary: #E833A5; /* Roz/Magenta vibrant */
    --color-primary-hover: #D0208C;
    --color-secondary: #FF7B54; /* Portocaliu accente */
    --color-tertiary: #A358DF; /* Mov/Violet hover states */
    
    /* Neutrale */
    --color-text: #111827; /* Gri-cărbune pentru citire ușoară */
    --color-text-muted: #4B5563;
    --color-bg: #FFFFFF;
    --color-bg-light: #F9FAFB; /* Off-white pentru secțiuni alternative */
    --color-border: #E5E7EB;

    /* Spacing & Layout */
    --container-width: 1200px;
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 6rem;

    /* Typography */
    /* System fonts = 0 network requests = scor Lighthouse uriaș */
    --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
    
    --radius-sm: 4px;
    --radius-md: 8px;
    
    --transition: all 0.2s ease-in-out;
}

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

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

body {
    font-family: var(--font-sans);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeSpeed;
}

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

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

ul {
    list-style: none;
}

.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--color-primary);
    color: white;
    padding: 8px;
    z-index: 1000;
}
.skip-link:focus {
    top: 0;
}

/* ==========================================================================
   TYPOGRAPHY
   ========================================================================== */
h1, h2, h3, h4 {
    color: var(--color-text);
    line-height: 1.2;
    margin-bottom: var(--space-sm);
    font-weight: 700;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(2rem, 4vw, 2.5rem); letter-spacing: -0.01em; }
h3 { font-size: 1.25rem; }

p {
    color: var(--color-text-muted);
    margin-bottom: var(--space-sm);
}

/* ==========================================================================
   LAYOUT UTILITIES
   ========================================================================== */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--space-sm);
}

.bg-light {
    background-color: var(--color-bg-light);
}

section {
    padding: var(--space-xl) 0;
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--space-lg);
}

.grid-3-cols {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
}

.grid-2-cols {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-lg);
}

/* ==========================================================================
   COMPONENTS
   ========================================================================== */
/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    cursor: pointer;
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background-color: var(--color-primary-hover);
    color: white;
}

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

.btn-outline:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

/* Navbar */
.navbar {
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.98);
    border-bottom: 1px solid var(--color-border);
    z-index: 100;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.nav-links a:not(.btn):hover {
    color: var(--color-primary);
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.hamburger, .hamburger::before, .hamburger::after {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    position: relative;
    transition: var(--transition);
}
.hamburger::before { content: ''; top: -6px; }
.hamburger::after { content: ''; top: 6px; }

/* Hero */
.hero {
    padding: clamp(4rem, 10vw, 8rem) 0;
}

.hero-subtitle {
    font-size: clamp(1.5rem, 3vw, 2rem);
    color: var(--color-text);
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.hero-text {
    font-size: 1.125rem;
    max-width: 600px;
    margin-bottom: var(--space-lg);
}

.hero-actions {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-xs);
}

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

/* Steps (Cum functioneaza) */
.step-card {
    position: relative;
}

.step-number {
    font-size: 4rem;
    font-weight: 800;
    color: var(--color-secondary); /* Folosim accentul portocaliu */
    opacity: 0.2;
    line-height: 1;
    display: block;
    margin-bottom: var(--space-xs);
}

/* Benefits & Why */
.benefits-list li {
    margin-bottom: var(--space-md);
    padding-left: 1.5rem;
    position: relative;
}

.benefits-list li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: bold;
}

.authentic-text {
    font-size: 1.25rem;
    border-left: 4px solid var(--color-primary);
    padding-left: var(--space-md);
}
.highlight-text {
    font-weight: 600;
    color: var(--color-text);
    margin-top: var(--space-md);
}

/* Portfolio */
.project-card {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: var(--color-bg);
}

.project-image-wrapper {
    aspect-ratio: 16 / 10;
    background: var(--color-bg-light);
    overflow: hidden;
}

.project-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-info {
    padding: var(--space-md);
}

.project-category {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-tertiary);
    font-weight: 700;
    display: block;
    margin-bottom: var(--space-xs);
}

.project-link {
    color: var(--color-primary);
    font-weight: 600;
    display: inline-block;
    margin-top: var(--space-xs);
}

.project-link:hover {
    color: var(--color-tertiary);
}

/* Contact */
.contact-container {
    text-align: center;
    max-width: 800px;
}

.contact-methods {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-sm);
    margin-top: var(--space-lg);
}

/* Footer */
.site-footer {
    border-top: 1px solid var(--color-border);
    padding: var(--space-xl) 0 var(--space-md);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.footer-logo-text {
    font-weight: 700;
    font-size: 1.25rem;
    display: block;
    margin-bottom: var(--space-sm);
}

.footer-links h4, .footer-social h4 {
    margin-bottom: var(--space-sm);
}

.footer-links li, .footer-social li {
    margin-bottom: var(--space-xs);
}

.footer-links a:hover, .footer-social a:hover {
    color: var(--color-primary);
}

.footer-bottom {
    text-align: center;
    border-top: 1px solid var(--color-border);
    padding-top: var(--space-md);
    font-size: 0.875rem;
}

/* ==========================================================================
   RESPONSIVE / MEDIA QUERIES
   ========================================================================== */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: block;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--color-bg);
        flex-direction: column;
        padding: var(--space-md);
        border-bottom: 1px solid var(--color-border);
        box-shadow: 0 10px 15px -3px rgba(0,0,0,0.05);
    }

    .nav-links.active {
        display: flex;
    }

    .hero {
        padding: var(--space-lg) 0;
    }

    .contact-methods {
        flex-direction: column;
    }
    
    .contact-methods .btn {
        width: 100%;
    }
}

/* Accessibility: Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Focus States pentru navigația cu tastatura */
:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 4px;
}



/* ==========================================================================
   PORTOFOLIU ADAPTAT (1 PROIECT + CTA CARD)
   ========================================================================== */
.portfolio-single-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-lg);
    max-width: 900px;
    margin: 0 auto;
}

.project-card-cta {
    background: var(--color-bg-light);
    border: 2px dashed var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.cta-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
}

/* ==========================================================================
   COOKIE BANNER (GDPR PRIVACY-FIRST)
   ========================================================================== */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--color-bg);
    border-top: 1px solid var(--color-border);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.08);
    padding: 1rem 0;
    z-index: 1000;
}

.cookie-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

.cookie-text {
    margin: 0;
    font-size: 0.875rem;
    max-width: 700px;
}

.cookie-text a {
    color: var(--color-primary);
    text-decoration: underline;
}

.cookie-actions {
    display: flex;
    gap: 0.5rem;
}