/* ============================================
   HUMANSENSE - STYLESHEET
   Autor: Claude
   Datum: 2025
   Napomena: Boje možete lako promijeniti u :root varijablama
   ============================================ */

/* CSS VARIJABLE - Ovdje možete promijeniti boje */
:root {
    /* Primarne boje */
    --color-primary: #E47A3F;        /* Narančasta - CTA gumbi, akcenti */
    --color-secondary: #2C3E50;      /* Tamno plava - Naslovi, footer */
    --color-white: #FFFFFF;
    
    /* Sekundarne boje */
    --color-light-bg: #ECF0F1;       /* Svijetlo siva - Pozadine sekcija */
    --color-text-dark: #34495E;      /* Tamno siva - Body tekst */
    --color-text-light: #95A5A6;     /* Svijetlo siva - Borderi, subtle */
    
    /* Akcenti */
    --color-success: #27AE60;        /* Zelena - Success poruke */
    --color-error: #E74C3C;          /* Crvena - Error poruke */
    
    /* Font veličine */
    --font-size-base: 16px;
    --font-size-h1: 3rem;
    --font-size-h2: 2.5rem;
    --font-size-h3: 1.75rem;
    
    /* Spacing */
    --spacing-section: 80px;
    --spacing-element: 30px;
    
    /* Transitions */
    --transition-speed: 0.3s;
}

/* ============================================
   GLOBAL STYLES
   ============================================ */

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

html {
    scroll-behavior: smooth;
    font-size: var(--font-size-base);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--color-text-dark);
    background-color: var(--color-white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Tipografija */
h1, h2, h3, h4 {
    color: var(--color-secondary);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: var(--font-size-h1);
}

h2 {
    font-size: var(--font-size-h2);
}

h3 {
    font-size: var(--font-size-h3);
}

p {
    margin-bottom: 1rem;
}

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

a:hover {
    color: var(--color-primary);
}

ul {
    list-style: none;
}

/* Gumbi */
.btn {
    display: inline-block;
    padding: 15px 35px;
    border-radius: 5px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    border: none;
    transition: all var(--transition-speed);
    text-align: center;
}

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

.btn-primary:hover {
    background-color: #D36A2F;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(228, 122, 63, 0.3);
}

/* Section naslovi */
.section-title {
    text-align: center;
    margin-bottom: 50px;
    position: relative;
    padding-bottom: 15px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: var(--color-primary);
}

/* ============================================
   NAVIGACIJA
   ============================================ */

#navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--color-white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    z-index: 1000;
    transition: all var(--transition-speed);
}

#navbar.scrolled {
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.logo img {
    height: 50px;
    width: auto;
}

.nav-menu {
    display: flex;
    gap: 30px;
}

.nav-link {
    color: var(--color-secondary);
    font-weight: 500;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width var(--transition-speed);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

/* Hamburger menu (za mobile) */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--color-secondary);
    transition: all var(--transition-speed);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* ============================================
   HERO SEKCIJA
   ============================================ */

.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    padding-top: 80px; /* Offset za fixed nav */
}

.hero-content {
    text-align: center;
    max-width: 800px;
    animation: fadeInUp 1s ease-out;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 20px;
    color: var(--color-secondary);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-dark);
    margin-bottom: 40px;
    line-height: 1.8;
}

/* ============================================
   O NAMA SEKCIJA
   ============================================ */

.about-section {
    padding: var(--spacing-section) 0;
    background-color: var(--color-light-bg);
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
}

.about-block {
    margin-bottom: 50px;
}

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

.about-subtitle {
    color: var(--color-primary);
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.about-intro {
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--color-secondary);
    margin-bottom: 20px;
}

.about-text {
    color: var(--color-text-dark);
    margin-bottom: 20px;
    line-height: 1.8;
}

.about-list {
    margin: 20px 0;
    padding-left: 0;
}

.about-list li {
    position: relative;
    padding-left: 30px;
    margin-bottom: 12px;
    line-height: 1.6;
}

.about-list li::before {
    content: '•';
    position: absolute;
    left: 10px;
    color: var(--color-primary);
    font-size: 1.5rem;
    line-height: 1;
}

.about-principle {
    font-weight: 600;
    font-style: italic;
    color: var(--color-secondary);
    margin-top: 20px;
}

/* ============================================
   USLUGE SEKCIJA
   ============================================ */

.services-section {
    padding: var(--spacing-section) 0;
    background-color: var(--color-white);
}
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
    margin-top: 50px;
}
.services-container.services-single {
    display: flex;
    justify-content: center;
    margin-top: 50px;
}
.service-primary.service-full {
    background-color: var(--color-white);
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    width: 100%;
    max-width: 700px;
}
.service-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--color-light-bg);
}
#stats-categories {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
}
.service-category {
    background-color: var(--color-white);
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}
.service-category:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}
.service-category-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--color-light-bg);
}
.service-icon {
    font-size: 2.5rem;
    color: var(--color-primary);
}
.service-category-header h3 {
    margin: 0;
    color: var(--color-secondary);
}
.service-items {
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.service-item {
    padding: 15px 0;
    border-bottom: 1px solid var(--color-light-bg);
}
.service-item:last-child {
    border-bottom: none;
}
.service-item h4 {
    color: var(--color-secondary);
    font-size: 1.1rem;
    margin-bottom: 8px;
}
.service-item p {
    color: var(--color-text-dark);
    font-size: 0.95rem;
    margin: 0;
    line-height: 1.6;
}

/* ============================================
   KONTAKT SEKCIJA
   ============================================ */

.contact-section {
    padding: var(--spacing-section) 0;
    background-color: var(--color-light-bg);
}

.contact-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 50px;
    margin-top: 50px;
}

/* Kontakt forma */
.contact-form-wrapper {
    background-color: var(--color-white);
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--color-secondary);
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--color-light-bg);
    border-radius: 5px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color var(--transition-speed);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

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

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.checkbox-group input[type="checkbox"] {
    width: auto;
    margin-top: 3px;
    flex-shrink: 0;
}

.checkbox-group label {
    margin-bottom: 0;
    font-size: 0.9rem;
}

.contact-form button {
    width: 100%;
    margin-top: 10px;
}

.form-message {
    padding: 15px;
    border-radius: 5px;
    margin: 20px 0;
    font-weight: 500;
}

.form-message.success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.form-message.error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.form-message.hidden {
    display: none;
}

.contact-note {
    font-size: 0.9rem;
    color: var(--color-text-light);
    margin-top: 20px;
    font-style: italic;
}

/* Kontakt informacije */
.contact-info {
    background-color: var(--color-white);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    height: fit-content;
}

.contact-info h3 {
    margin-bottom: 25px;
    color: var(--color-secondary);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.contact-item i {
    color: var(--color-primary);
    font-size: 1.2rem;
    width: 25px;
}

.contact-item a {
    color: var(--color-text-dark);
}

.contact-item a:hover {
    color: var(--color-primary);
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
    background-color: var(--color-secondary);
    color: var(--color-white);
    padding: 40px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.footer h4 {
    color: var(--color-white);
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.footer p {
    margin-bottom: 8px;
    font-size: 0.95rem;
    opacity: 0.9;
}

.footer a {
    color: var(--color-white);
    opacity: 0.9;
}

.footer a:hover {
    opacity: 1;
    color: var(--color-primary);
}

.footer-legal {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.2);
}

/* ============================================
   ANIMACIJE
   ============================================ */

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

.fade-in {
    animation: fadeInUp 0.8s ease-out;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

/* Tablet */
@media (max-width: 992px) {
    :root {
        --font-size-h1: 2.5rem;
        --font-size-h2: 2rem;
        --font-size-h3: 1.5rem;
        --spacing-section: 60px;
    }

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

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

    .hero-title {
        font-size: 2.5rem;
    }
}

/* Mobile */
@media (max-width: 768px) {
    :root {
        --font-size-h1: 2rem;
        --font-size-h2: 1.75rem;
        --font-size-h3: 1.25rem;
        --spacing-section: 40px;
    }

    /* Navigacija - hamburger menu */
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 80px;
        flex-direction: column;
        background-color: var(--color-white);
        width: 100%;
        padding: 30px 20px;
        box-shadow: 0 10px 27px rgba(0,0,0,0.1);
        transition: left var(--transition-speed);
    }

    .nav-menu.active {
        left: 0;
    }

    .hamburger {
        display: flex;
    }

    .hero-section {
        min-height: 80vh;
    }

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

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .services-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .service-category {
        padding: 20px;
    }

    .contact-form-wrapper {
        padding: 25px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .contact-item {
        justify-content: center;
    }
}

/* Small mobile */
@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .btn {
        padding: 12px 25px;
        font-size: 0.95rem;
    }

    .hero-title {
        font-size: 1.75rem;
    }

    .service-category {
        padding: 15px;
    }
}

/* ============================================
   NOVI STILOVI ZA V2 (Statistika focus)
   ============================================ */

/* Quote u O nama sekciji */
.about-quote {
    font-style: italic;
    font-size: 1.15rem;
    color: var(--color-secondary);
    padding: 20px 30px;
    border-left: 4px solid var(--color-primary);
    background-color: rgba(228, 122, 63, 0.05);
    margin: 25px 0;
    border-radius: 5px;
}

.about-subtitle {
    color: var(--color-primary);
    font-size: 1.3rem;
    margin-top: 30px;
    margin-bottom: 15px;
}

.about-approach-text {
    font-weight: 600;
    font-size: 1.05rem;
    margin-top: 10px;
}

.about-experience {
    font-style: italic;
    color: var(--color-text-dark);
    margin-top: 20px;
    margin-bottom: 20px;
}

.about-offer-list {
    margin-top: 15px;
}

/* ============================================
   GREŠKE SEKCIJA - Accordion
   ============================================ */

.mistakes-section {
    padding: var(--spacing-section) 0;
    background-color: var(--color-white);
}

.mistakes-accordion {
    max-width: 900px;
    margin: 0 auto;
}

.mistake-item {
    background-color: var(--color-white);
    border: 2px solid var(--color-light-bg);
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: hidden;
    transition: all var(--transition-speed);
}

.mistake-item:hover {
    border-color: var(--color-primary);
}

.mistake-header {
    padding: 20px 25px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--color-light-bg);
    transition: background-color var(--transition-speed);
}

.mistake-header:hover {
    background-color: rgba(228, 122, 63, 0.1);
}

.mistake-header h3 {
    margin: 0;
    font-size: 1.1rem;
    color: var(--color-secondary);
    flex: 1;
    padding-right: 15px;
}

.mistake-icon {
    font-size: 1.2rem;
    color: var(--color-primary);
    transition: transform var(--transition-speed);
}

.mistake-item.active .mistake-icon {
    transform: rotate(180deg);
}

.mistake-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease-out, padding 0.4s ease-out;
    padding: 0 25px;
}

.mistake-item.active .mistake-content {
    max-height: 600px;
    padding: 20px 25px 25px;
}

.mistake-content h4 {
    color: var(--color-error);
    font-size: 1rem;
    margin-bottom: 10px;
    margin-top: 0;
}

.mistake-content h4:nth-of-type(2) {
    color: var(--color-success);
    margin-top: 20px;
}

.mistake-content p {
    color: var(--color-text-dark);
    line-height: 1.7;
    margin-bottom: 0;
}

/* ============================================
   USLUGE - Novi Layout (Primarna + Sekundarna)
   ============================================ */

.services-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 30px;
    margin-top: 50px;
}

/* Primarna usluga - Statistika (veća kartica) */
.service-primary {
    background-color: var(--color-white);
    border-radius: 10px;
    padding: 35px;
    box-shadow: 0 5px 25px rgba(0,0,0,0.12);
    border: 2px solid var(--color-primary);
}

.service-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--color-light-bg);
}

.service-icon {
    font-size: 2.5rem;
    color: var(--color-primary);
}

.service-header h3 {
    margin: 0;
    color: var(--color-secondary);
    font-size: 1.75rem;
}

.service-categories {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.service-category-block h4 {
    color: var(--color-secondary);
    font-size: 1.2rem;
    margin-bottom: 12px;
}

.service-category-block ul {
    list-style: none;
    padding-left: 0;
}

.service-category-block ul li {
    position: relative;
    padding-left: 25px;
    margin-bottom: 10px;
    color: var(--color-text-dark);
    line-height: 1.6;
}

.service-category-block ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: bold;
    font-size: 1.1rem;
}

/* Sekundarna usluga - HR (manja kartica) */
.service-secondary {
    background-color: var(--color-light-bg);
    border-radius: 10px;
    padding: 25px;
    box-shadow: 0 3px 15px rgba(0,0,0,0.08);
    height: fit-content;
}

.service-icon-small {
    font-size: 1.8rem;
    color: var(--color-secondary);
}

.service-secondary .service-header h3 {
    font-size: 1.3rem;
}

.service-description {
    color: var(--color-text-dark);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 15px;
}

.service-list {
    list-style: none;
    padding-left: 0;
}

.service-list li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 10px;
    color: var(--color-text-dark);
    font-size: 0.9rem;
    line-height: 1.5;
}

.service-list li::before {
    content: '•';
    position: absolute;
    left: 5px;
    color: var(--color-secondary);
    font-size: 1.2rem;
}

/* ============================================
   RESPONSIVE ADJUSTMENTS ZA NOVE SEKCIJE
   ============================================ */

@media (max-width: 992px) {
    .services-container {
        grid-template-columns: 1fr;
    }

    .mistake-header h3 {
        font-size: 1rem;
    }
}

@media (max-width: 768px) {
    .about-quote {
        padding: 15px 20px;
        font-size: 1.05rem;
    }

    .mistake-header {
        padding: 15px 20px;
    }

    .mistake-content {
        padding: 0 20px;
    }

    .mistake-item.active .mistake-content {
        padding: 15px 20px 20px;
    }

    .service-primary {
        padding: 25px;
    }

    .service-secondary {
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .about-quote {
        padding: 12px 15px;
        font-size: 1rem;
    }

    .mistake-header h3 {
        font-size: 0.95rem;
    }

    .service-primary,
    .service-secondary {
        padding: 20px;
    }

    .service-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .service-icon,
    .service-icon-small {
        font-size: 2rem;
    }
}