/* =========================================================
   AdriaticTechJournal — glavna stilska datoteka
   ========================================================= */

:root {
  --navy: #0a1a33;
  --navy-dark: #061021;
  --electric-blue: #1e6fff;
  --turquoise: #2dd4bf;
  --cool-white: #f4f8fb;
  --silver-gray: #aab4c0;
  --silver-gray-light: #dde3e9;
  --text-dark: #0d1b2e;
  --text-muted: #5a6b80;
  --radius: 10px;
  --max-width: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  font-family: "Segoe UI", Arial, Helvetica, sans-serif;
  color: var(--text-dark);
  background-color: var(--cool-white);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

a:hover,
a:focus {
  text-decoration: underline;
}

ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

.section {
  padding: 56px 0;
}

.section-alt {
  background-color: #ffffff;
}

.section-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  color: var(--navy);
  margin: 0 0 12px;
  text-align: center;
}

.section-subtitle {
  color: var(--text-muted);
  text-align: center;
  max-width: 640px;
  margin: 0 auto 36px;
}

/* =========================================================
   Gumbi
   ========================================================= */
.btn {
  display: inline-block;
  padding: 13px 28px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 1rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.btn-primary {
  background-color: var(--electric-blue);
  color: #ffffff;
}

.btn-primary:hover,
.btn-primary:focus {
  background-color: #1559cf;
  text-decoration: none;
}

.btn-outline {
  background-color: transparent;
  border-color: #ffffff;
  color: #ffffff;
}

.btn-outline:hover,
.btn-outline:focus {
  background-color: rgba(255, 255, 255, 0.12);
  text-decoration: none;
}

.btn-accent {
  background-color: var(--turquoise);
  color: var(--navy-dark);
}

.btn-accent:hover,
.btn-accent:focus {
  background-color: #23b6a3;
  text-decoration: none;
}

/* =========================================================
   Placeholder za fotografije 16:9
   ========================================================= */
.image-placeholder {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: repeating-linear-gradient(
    45deg,
    #d9dfe5,
    #d9dfe5 12px,
    #ccd3da 12px,
    #ccd3da 24px
  );
  border: 1px dashed var(--silver-gray);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.95rem;
  text-align: center;
  padding: 10px;
}

/* =========================================================
   Header + CSS-only burger izbornik
   ========================================================= */
.site-header {
  background-color: var(--navy);
  position: sticky;
  top: 0;
  z-index: 100;
  width: 100%;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  max-width: var(--max-width);
  margin: 0 auto;
  position: relative;
}

.logo {
  color: #ffffff;
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 0.3px;
}

.logo span {
  color: var(--turquoise);
}

/* checkbox hack */
.burger-checkbox {
  display: none;
}

.burger-label {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 22px;
  cursor: pointer;
  z-index: 101;
}

.burger-label span {
  display: block;
  height: 3px;
  width: 100%;
  background-color: #ffffff;
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.main-nav {
  display: flex;
}

.main-nav ul {
  display: flex;
  gap: 28px;
}

.main-nav a {
  color: #ffffff;
  font-weight: 500;
  font-size: 0.98rem;
}

.main-nav a:hover,
.main-nav a:focus {
  color: var(--turquoise);
  text-decoration: none;
}

@media (max-width: 899px) {
  .burger-label {
    display: flex;
  }

  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--navy-dark);
    overflow: hidden;
    max-height: 0;
    transition: max-height 0.35s ease;
    display: block;
  }

  .main-nav ul {
    flex-direction: column;
    gap: 0;
    padding: 10px 20px 20px;
  }

  .main-nav ul li {
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .main-nav ul li a {
    display: block;
    padding: 14px 4px;
  }

  .burger-checkbox:checked ~ .main-nav {
    max-height: 420px;
  }

  .burger-checkbox:checked ~ .burger-label span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
  }

  .burger-checkbox:checked ~ .burger-label span:nth-child(2) {
    opacity: 0;
  }

  .burger-checkbox:checked ~ .burger-label span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
  }
}

/* =========================================================
   Hero
   ========================================================= */
.hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-dark) 100%);
  color: #ffffff;
  padding: 64px 0;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: center;
}

.hero-text h1 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  margin: 0 0 16px;
  line-height: 1.25;
}

.hero-text .accent {
  color: var(--turquoise);
}

.hero-text p {
  color: var(--silver-gray-light);
  margin: 0 0 28px;
  max-width: 540px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-image .image-placeholder {
  background: repeating-linear-gradient(
    45deg,
    #1a2d4d,
    #1a2d4d 12px,
    #142440 12px,
    #142440 24px
  );
  color: var(--silver-gray-light);
  border-color: #2a3f5f;
}

/* =========================================================
   Fotografije 16:9 umjesto placeholdera
   ========================================================= */
.hero-image img,
.two-col-media img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: var(--radius);
  display: block;
}

.hero-image img {
  border: 1px solid #2a3f5f;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
}

.two-col-media img {
  border: 1px solid var(--silver-gray-light);
  box-shadow: 0 8px 24px rgba(10, 26, 51, 0.1);
}

@media (min-width: 900px) {
  .hero-inner {
    grid-template-columns: 1.1fr 0.9fr;
  }
}

/* =========================================================
   O nama / Teme / Zašto mi — dvokolonski prikaz
   ========================================================= */
.two-col {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: center;
}

@media (min-width: 900px) {
  .two-col {
    grid-template-columns: 1fr 1fr;
  }

  .two-col.reverse .two-col-text {
    order: 2;
  }

  .two-col.reverse .two-col-media {
    order: 1;
  }
}

.two-col-text h2 {
  color: var(--navy);
  font-size: clamp(1.4rem, 2.6vw, 1.9rem);
  margin-top: 0;
}

.two-col-text p {
  color: var(--text-muted);
}

.feature-list {
  margin-top: 18px;
  display: grid;
  gap: 12px;
}

.feature-list li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  color: var(--text-dark);
}

.feature-list .dot {
  flex: 0 0 auto;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: var(--turquoise);
  margin-top: 7px;
}

/* =========================================================
   Teme kartice
   ========================================================= */
.topics-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 36px;
}

@media (min-width: 600px) {
  .topics-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 900px) {
  .topics-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.topic-card {
  background-color: var(--cool-white);
  border: 1px solid var(--silver-gray-light);
  border-radius: var(--radius);
  padding: 22px 18px;
  text-align: left;
}

.topic-card .icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: var(--electric-blue);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  margin-bottom: 14px;
}

.topic-card h3 {
  margin: 0 0 8px;
  color: var(--navy);
  font-size: 1.1rem;
}

.topic-card p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* =========================================================
   Recenzije
   ========================================================= */
.reviews-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  margin-top: 36px;
}

@media (min-width: 900px) {
  .reviews-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.review-card {
  background-color: #ffffff;
  border: 1px solid var(--silver-gray-light);
  border-radius: var(--radius);
  padding: 26px 22px;
}

.review-stars {
  color: var(--turquoise);
  font-size: 1.1rem;
  margin-bottom: 12px;
  letter-spacing: 2px;
}

.review-text {
  color: var(--text-dark);
  font-style: italic;
  margin: 0 0 16px;
}

.review-author {
  font-weight: 600;
  color: var(--navy);
}

.review-location {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* =========================================================
   Kontakt forma
   ========================================================= */
.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  margin-top: 20px;
}

@media (min-width: 900px) {
  .contact-wrapper {
    grid-template-columns: 0.9fr 1.1fr;
  }
}

.contact-info {
  background-color: var(--navy);
  color: #ffffff;
  border-radius: var(--radius);
  padding: 28px;
}

.contact-info h3 {
  margin-top: 0;
  color: var(--turquoise);
}

.contact-info ul {
  margin-top: 20px;
  display: grid;
  gap: 14px;
}

.contact-info a {
  color: #ffffff;
}

.contact-form {
  background-color: #ffffff;
  border: 1px solid var(--silver-gray-light);
  border-radius: var(--radius);
  padding: 28px;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 7px;
  color: var(--navy);
  font-size: 0.95rem;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--silver-gray);
  border-radius: 8px;
  font-size: 1rem;
  font-family: inherit;
  background-color: var(--cool-white);
  color: var(--text-dark);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: 2px solid var(--electric-blue);
  outline-offset: 1px;
}

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

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.form-checkbox input {
  margin-top: 4px;
}

.form-checkbox a {
  color: var(--electric-blue);
}

/* =========================================================
   Footer
   ========================================================= */
.site-footer {
  background-color: var(--navy-dark);
  color: var(--silver-gray-light);
  padding: 40px 0 24px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

@media (min-width: 700px) {
  .footer-inner {
    grid-template-columns: repeat(3, 1fr);
  }
}

.footer-col h4 {
  color: #ffffff;
  margin: 0 0 14px;
  font-size: 1rem;
}

.footer-col ul {
  display: grid;
  gap: 10px;
}

.footer-col a {
  color: var(--silver-gray-light);
  font-size: 0.92rem;
}

.footer-col a:hover {
  color: var(--turquoise);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: 30px;
  padding-top: 20px;
  text-align: center;
  font-size: 0.85rem;
  color: var(--silver-gray);
}

/* =========================================================
   Cookie banner
   ========================================================= */
.cookie-banner {
  position: fixed;
  left: 0;
  right: 0;
  bottom: -100%;
  background-color: var(--navy-dark);
  color: #ffffff;
  padding: 18px 20px;
  z-index: 200;
  transition: bottom 0.4s ease;
  border-top: 2px solid var(--turquoise);
}

.cookie-banner.visible {
  bottom: 0;
}

.cookie-banner-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

@media (min-width: 700px) {
  .cookie-banner-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.cookie-banner p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--silver-gray-light);
}

.cookie-banner a {
  color: var(--turquoise);
}

.cookie-banner-actions {
  display: flex;
  gap: 12px;
  flex-shrink: 0;
}

/* =========================================================
   Modal - uspješna prijava forme
   ========================================================= */
.modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(6, 16, 33, 0.72);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 300;
  padding: 20px;
}

.modal-overlay.visible {
  display: flex;
}

.modal-box {
  background-color: #ffffff;
  border-radius: var(--radius);
  padding: 32px 28px;
  max-width: 420px;
  width: 100%;
  text-align: center;
}

.modal-close-btn {
  float: right;
  border: none;
  background: none;
  font-size: 1.3rem;
  cursor: pointer;
  color: var(--text-muted);
  line-height: 1;
}

.modal-box .icon-check {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background-color: var(--turquoise);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin: 0 auto 16px;
}

.modal-box h3 {
  color: var(--navy);
  margin: 0 0 10px;
}

.modal-box p {
  color: var(--text-muted);
  margin: 0 0 22px;
}

/* =========================================================
   Legal stranice (cookie/privacy/terms)
   ========================================================= */
.legal-content {
  max-width: 860px;
  margin: 0 auto;
  padding: 50px 20px 70px;
}

.legal-content h1 {
  color: var(--navy);
}

.legal-content h2 {
  color: var(--navy);
  margin-top: 34px;
}

.legal-content p,
.legal-content li {
  color: var(--text-muted);
}

.legal-content a {
  color: var(--electric-blue);
}

.updated-note {
  color: var(--silver-gray);
  font-size: 0.9rem;
  margin-bottom: 30px;
}