/* ==========================================================================
   Kazus Kredyty - Modern Mortgage Website Styles
   ========================================================================== */

/* CSS Variables - Design System */
:root {
  /* Primary Colors - Trust & Stability */
  --primary-navy: #1a2332;
  --primary-blue: #2c5282;
  --accent-blue: #3182ce;
  --light-blue: #ebf8ff;

  /* Secondary Colors */
  --gold-accent: #d4af37;
  --success-green: #38a169;

  /* Neutrals */
  --white: #ffffff;
  --gray-50: #f7fafc;
  --gray-100: #edf2f7;
  --gray-200: #e2e8f0;
  --gray-300: #cbd5e0;
  --gray-600: #4a5568;
  --gray-700: #2d3748;
  --gray-900: #1a202c;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #1a2332 0%, #2c5282 100%);
  --gradient-overlay: linear-gradient(135deg, rgba(26, 35, 50, 0.9) 0%, rgba(44, 82, 130, 0.85) 100%);

  /* Font Families */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-headings: 'Poppins', sans-serif;

  /* Font Sizes (Fluid Typography) */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.375vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.625vw, 1.5rem);
  --text-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.875rem);
  --text-2xl: clamp(1.5rem, 1.2rem + 1.5vw, 2.5rem);
  --text-3xl: clamp(2rem, 1.5rem + 2.5vw, 3.5rem);

  /* Line Heights */
  --leading-tight: 1.2;
  --leading-normal: 1.6;
  --leading-relaxed: 1.8;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;

  /* Layout */
  --container-width: 1200px;
  --section-padding: clamp(3rem, 8vw, 6rem);

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07), 0 2px 4px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1), 0 4px 6px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1), 0 10px 10px rgba(0, 0, 0, 0.04);

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;

  /* Transitions */
  --transition-base: all 0.3s ease;
  --transition-fast: all 0.15s ease;
}

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

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

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

body {
  font-family: var(--font-primary);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--gray-700);
  background-color: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-headings);
  font-weight: 700;
  line-height: var(--leading-tight);
  color: var(--primary-navy);
  margin-bottom: var(--space-md);
}

h1 {
  font-size: var(--text-3xl);
}

h2 {
  font-size: var(--text-2xl);
}

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

h4 {
  font-size: var(--text-lg);
}

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

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

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

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

ul {
  list-style: none;
}

/* ==========================================================================
   Container & Layout
   ========================================================================== */

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

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

/* Section Headers */
.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-2xl);
}

.section-header h2 {
  margin-bottom: var(--space-sm);
}

.section-header p {
  font-size: var(--text-lg);
  color: var(--gray-600);
}

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

.btn {
  display: inline-block;
  padding: 0.875rem 1.75rem;
  font-family: var(--font-headings);
  font-size: var(--text-base);
  font-weight: 600;
  text-align: center;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: var(--transition-base);
  text-decoration: none;
  line-height: 1.5;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--white);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
  color: var(--white);
}

.btn-secondary {
  background: transparent;
  color: var(--white);
  border: 2px solid var(--white);
}

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

.btn-lg {
  padding: 1.125rem 2.25rem;
  font-size: var(--text-lg);
}

/* ==========================================================================
   Header
   ========================================================================== */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--white);
  transition: var(--transition-base);
}

.header.scrolled {
  box-shadow: var(--shadow-md);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) 0;
}

.logo a {
  font-family: var(--font-headings);
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--primary-navy);
  text-decoration: none;
}

.logo a:hover {
  color: var(--accent-blue);
}

.nav-menu ul {
  display: flex;
  gap: var(--space-lg);
  align-items: center;
}

.nav-menu a {
  font-weight: 500;
  color: var(--gray-700);
  transition: var(--transition-base);
  position: relative;
}

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

.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-blue);
  transition: width 0.3s ease;
}

.nav-menu a:hover::after {
  width: 100%;
}

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

.phone-link {
  font-weight: 600;
  color: var(--primary-navy);
  white-space: nowrap;
}

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

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

.menu-toggle span {
  width: 25px;
  height: 3px;
  background: var(--primary-navy);
  border-radius: 3px;
  transition: var(--transition-base);
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(8px, 8px);
}

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

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

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

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, #1a2332 0%, #2c5282 100%);
  background-image: var(--gradient-overlay), url('../img/hero-bg.jpg');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  color: var(--white);
  padding-top: 120px;
  padding-bottom: 60px;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: var(--gradient-overlay);
  z-index: 1;
}

.hero .container {
  position: relative;
  z-index: 2;
}

.hero-content {
  max-width: 800px;
  text-align: center;
  margin: 0 auto;
}

.hero h1 {
  color: var(--white);
  margin-bottom: var(--space-md);
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
  font-size: var(--text-xl);
  margin-bottom: var(--space-xl);
  color: var(--gray-100);
  line-height: var(--leading-relaxed);
}

.hero-buttons {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  margin-bottom: var(--space-3xl);
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: var(--space-xl);
  justify-content: center;
  flex-wrap: wrap;
  padding-top: var(--space-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.stat-item {
  text-align: center;
}

.stat-number {
  display: block;
  font-family: var(--font-headings);
  font-size: var(--text-2xl);
  font-weight: 800;
  color: var(--gold-accent);
  margin-bottom: var(--space-xs);
}

.stat-label {
  display: block;
  font-size: var(--text-sm);
  color: var(--gray-200);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ==========================================================================
   Services Section
   ========================================================================== */

.services {
  background: var(--gray-50);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}

.service-card {
  background: var(--white);
  padding: var(--space-xl);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  transition: var(--transition-base);
  text-align: center;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.service-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--light-blue);
  border-radius: var(--radius-lg);
  color: var(--accent-blue);
}

.service-icon svg {
  width: 32px;
  height: 32px;
}

.service-card h3 {
  margin-bottom: var(--space-sm);
  color: var(--primary-navy);
}

.service-card p {
  color: var(--gray-600);
  line-height: var(--leading-relaxed);
  margin-bottom: 0;
}

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

.about-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--space-3xl);
}

.about-header h2 {
  margin-bottom: var(--space-md);
}

.about-header .lead {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--primary-blue);
  margin-bottom: 0;
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: stretch;
}

.about-content-single {
  grid-template-columns: 1fr;
  max-width: 900px;
  margin: 0 auto;
}

.about-image img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
}

.about-text .lead {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--primary-blue);
  margin-bottom: var(--space-md);
}

.about-text p {
  color: var(--gray-600);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-md);
}

.features-list {
  padding: var(--space-xl);
  background: var(--gray-50);
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--accent-blue);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.features-list h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-md);
}

.features-list ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.features-list li {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--gray-700);
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
}

.features-list svg {
  width: 26px;
  height: 26px;
  color: var(--success-green);
  flex-shrink: 0;
}

/* Reviews Card */
.reviews-card {
  background: var(--white);
  padding: var(--space-xl);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  border: 2px solid var(--gray-200);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.reviews-header {
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 2px solid var(--gray-200);
}

.reviews-header h3 {
  margin-bottom: var(--space-md);
  color: var(--primary-navy);
}

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

.stars {
  font-size: 1.5rem;
  color: var(--gold-accent);
  letter-spacing: 2px;
}

.rating-text {
  font-weight: 600;
  color: var(--gray-700);
  margin: 0;
}

.review-sample {
  margin-bottom: var(--space-lg);
  flex: 1;
}

.review-text {
  font-style: italic;
  color: var(--gray-700);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-sm);
  padding: var(--space-md);
  background: var(--gray-50);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--accent-blue);
}

.review-author {
  font-size: var(--text-sm);
  color: var(--gray-600);
  font-weight: 600;
  margin: 0;
  padding-left: var(--space-md);
}

.reviews-btn {
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
}

/* ==========================================================================
   Process Section
   ========================================================================== */

.process {
  background: var(--gray-50);
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
}

.process-step {
  position: relative;
  background: var(--white);
  padding: var(--space-xl);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  text-align: center;
  transition: var(--transition-base);
}

.process-step:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.step-number {
  position: absolute;
  top: -20px;
  left: 50%;
  transform: translateX(-50%);
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  color: var(--white);
  font-family: var(--font-headings);
  font-size: var(--text-lg);
  font-weight: 800;
  border-radius: 50%;
  box-shadow: var(--shadow-lg);
}

.step-icon {
  width: 64px;
  height: 64px;
  margin: var(--space-md) auto var(--space-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--light-blue);
  border-radius: var(--radius-lg);
  color: var(--accent-blue);
}

.step-icon svg {
  width: 32px;
  height: 32px;
}

.process-step h3 {
  margin-bottom: var(--space-sm);
}

.process-step p {
  color: var(--gray-600);
  line-height: var(--leading-relaxed);
  margin-bottom: 0;
}

/* Property Journey Subsection */
.property-journey {
  margin-top: var(--space-3xl);
  padding-top: var(--space-3xl);
  border-top: 2px solid var(--gray-200);
}

.journey-intro {
  max-width: 900px;
  margin: 0 auto var(--space-3xl);
  text-align: center;
  font-size: var(--text-lg);
  line-height: var(--leading-relaxed);
  color: var(--gray-700);
  padding: var(--space-xl);
  background: linear-gradient(135deg, var(--light-blue) 0%, var(--gray-50) 100%);
  border-radius: var(--radius-xl);
  border-left: 4px solid var(--accent-blue);
}

.property-stages {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-md);
}

.stage-card {
  position: relative;
  background: var(--white);
  padding: var(--space-lg) var(--space-md);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  text-align: center;
  transition: var(--transition-base);
  border: 2px solid transparent;
}

.stage-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
  border-color: var(--accent-blue);
}

.stage-number {
  position: absolute;
  top: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  color: var(--white);
  font-family: var(--font-headings);
  font-size: var(--text-sm);
  font-weight: 800;
  border-radius: 50%;
  box-shadow: var(--shadow-md);
}

.stage-icon {
  width: 56px;
  height: 56px;
  margin: var(--space-md) auto var(--space-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--light-blue);
  border-radius: var(--radius-lg);
  color: var(--accent-blue);
}

.stage-icon svg {
  width: 28px;
  height: 28px;
}

.stage-card h3 {
  font-size: var(--text-base);
  margin-bottom: 0;
  color: var(--primary-navy);
  line-height: var(--leading-tight);
}

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

.contact-content {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: var(--space-3xl);
}

/* Contact Form */
.contact-form {
  background: var(--white);
  padding: var(--space-xl);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

.form-group {
  margin-bottom: var(--space-md);
}

.form-group label {
  display: block;
  margin-bottom: var(--space-xs);
  font-weight: 600;
  color: var(--gray-700);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  font-family: var(--font-primary);
  font-size: var(--text-base);
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-md);
  transition: var(--transition-base);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(49, 130, 206, 0.1);
}

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

.contact-form .btn {
  width: 100%;
  margin-top: var(--space-sm);
}

/* Contact Info */
.info-card {
  background: var(--gray-50);
  padding: var(--space-xl);
  border-radius: var(--radius-xl);
  border: 2px solid var(--gray-200);
}

.info-card h3 {
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 2px solid var(--gray-200);
}

.info-item {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.info-item:last-child {
  margin-bottom: 0;
}

.info-item svg {
  width: 24px;
  height: 24px;
  color: var(--accent-blue);
  flex-shrink: 0;
  margin-top: 2px;
}

.info-item strong {
  display: block;
  color: var(--primary-navy);
  margin-bottom: 4px;
}

.info-item a {
  color: var(--gray-600);
}

.info-item a:hover {
  color: var(--accent-blue);
}

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

.footer {
  background: var(--primary-navy);
  color: var(--gray-300);
  padding: var(--space-3xl) 0 var(--space-lg);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-col h3,
.footer-col h4 {
  color: var(--white);
  margin-bottom: var(--space-md);
  font-size: var(--text-lg);
}

.footer-col p,
.footer-col li {
  color: var(--gray-300);
  margin-bottom: var(--space-sm);
  line-height: var(--leading-relaxed);
}

.footer-col a {
  color: var(--gray-300);
  transition: var(--transition-base);
}

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

.footer-bottom {
  text-align: center;
  padding-top: var(--space-lg);
}

.footer-bottom p {
  color: var(--gray-300);
  font-size: var(--text-sm);
  margin-bottom: var(--space-xs);
}

.footer-compliance {
  font-size: var(--text-xs);
  color: var(--gray-600);
}

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

.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

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

/* Tablet (768px) */
@media (max-width: 768px) {
  .header {
    padding: var(--space-sm) 0;
  }

  .header-content {
    position: relative;
  }

  .nav-menu {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: var(--shadow-lg);
    padding: var(--space-md);
    transform: translateY(-120%);
    transition: transform 0.3s ease;
  }

  .nav-menu.active {
    transform: translateY(0);
  }

  .nav-menu ul {
    flex-direction: column;
    gap: var(--space-sm);
  }

  .nav-menu a::after {
    display: none;
  }

  .header-actions {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .hero {
    background-attachment: scroll;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-stats {
    gap: var(--space-md);
  }

  .about-content {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .contact-content {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

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

  .process-steps {
    grid-template-columns: 1fr;
  }

  .property-stages {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Mobile (576px) */
@media (max-width: 576px) {
  .property-stages {
    grid-template-columns: 1fr;
  }
}

/* Mobile (576px) */
@media (max-width: 576px) {
  :root {
    --section-padding: 2.5rem;
  }

  .container {
    padding: 0 var(--space-sm);
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .hero-stats {
    flex-direction: column;
    gap: var(--space-md);
  }

  .btn {
    padding: 0.75rem 1.5rem;
  }

  .btn-lg {
    padding: 0.875rem 1.75rem;
  }

  .section-header h2 {
    font-size: 1.75rem;
  }

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

/* Large Desktop (1280px+) */
@media (min-width: 1280px) {
  .container {
    padding: 0 var(--space-lg);
  }
}

/* ==========================================================================
   Utility Classes
   ========================================================================== */

.text-center {
  text-align: center;
}

.mb-0 {
  margin-bottom: 0 !important;
}

/* ==========================================================================
   Print Styles
   ========================================================================== */

@media print {
  *,
  *::before,
  *::after {
    background: #fff !important;
    color: #000 !important;
    box-shadow: none !important;
    text-shadow: none !important;
  }

  a,
  a:visited {
    text-decoration: underline;
  }

  a[href^="tel:"]::after,
  a[href^="mailto:"]::after {
    content: " (" attr(href) ")";
  }

  img {
    page-break-inside: avoid;
  }

  p,
  h2,
  h3 {
    orphans: 3;
    widows: 3;
  }

  h2,
  h3 {
    page-break-after: avoid;
  }

  .header,
  .menu-toggle,
  .hero-buttons,
  .contact-form {
    display: none;
  }
}