/* ============================================
   EURO KINNISVARAARENDUS — Design System
   Modern, premium real estate aesthetic
   ============================================ */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Playfair+Display:wght@400;500;600;700&display=swap');

/* --- CSS Custom Properties --- */
:root {
  /* Brand Colors */
  --color-primary: #1a2332;
  --color-primary-light: #243044;
  --color-primary-dark: #0f1620;
  --color-accent: #c9a961;
  --color-accent-light: #dfc88a;
  --color-accent-dark: #a88b3d;
  --color-white: #ffffff;
  --color-off-white: #f8f7f4;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-text: #1f2937;
  --color-text-light: #6b7280;
  --color-success: #10b981;
  --color-error: #ef4444;

  /* Typography */
  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Font Sizes (fluid) */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.5vw, 1.25rem);
  --text-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.5rem);
  --text-2xl: clamp(1.5rem, 1.2rem + 1.5vw, 2rem);
  --text-3xl: clamp(1.875rem, 1.4rem + 2.5vw, 2.5rem);
  --text-4xl: clamp(2.25rem, 1.5rem + 3.5vw, 3.5rem);
  --text-5xl: clamp(3rem, 2rem + 4vw, 4.5rem);

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-5xl: 8rem;

  /* Layout */
  --container-max: 1200px;
  --container-narrow: 800px;
  --border-radius: 8px;
  --border-radius-lg: 16px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  --shadow-gold: 0 4px 14px rgba(201, 169, 97, 0.25);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
}

/* --- Reset --- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

ul, ol {
  list-style: none;
}

button {
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
}

input, textarea {
  font-family: inherit;
  font-size: inherit;
}

/* --- Utility Classes --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.container--narrow {
  max-width: var(--container-narrow);
}

.section {
  padding: var(--space-4xl) 0;
}

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

.section--light {
  background-color: var(--color-off-white);
}

.section__header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.section__subtitle {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
  display: block;
}

.section__title {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-primary);
}

.section--dark .section__title {
  color: var(--color-white);
}

.section__description {
  font-size: var(--text-lg);
  color: var(--color-text-light);
  max-width: 600px;
  margin: var(--space-md) auto 0;
  line-height: 1.8;
}

.section--dark .section__description {
  color: var(--color-gray-300);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.875rem 2rem;
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.03em;
  border-radius: var(--border-radius);
  transition: all var(--transition-base);
  cursor: pointer;
  white-space: nowrap;
}

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

.btn--primary:hover {
  background-color: var(--color-accent-light);
  box-shadow: var(--shadow-gold);
  transform: translateY(-2px);
}

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

.btn--outline:hover {
  background-color: var(--color-accent);
  color: var(--color-primary-dark);
  transform: translateY(-2px);
}

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

.btn--white:hover {
  background-color: var(--color-off-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--space-md) 0;
  transition: all var(--transition-base);
  background: transparent;
}

.nav.scrolled {
  background: rgba(26, 35, 50, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: var(--space-sm) 0;
  box-shadow: var(--shadow-lg);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  height: 40px;
  width: auto;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav__link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-white);
  opacity: 0.85;
  transition: opacity var(--transition-fast);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition-base);
}

.nav__link:hover,
.nav__link.active {
  opacity: 1;
}

.nav__link:hover::after,
.nav__link.active::after {
  width: 100%;
}

.nav__cta {
  padding: 0.6rem 1.5rem;
}

/* Mobile Menu Toggle */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  z-index: 1001;
}

.nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: all var(--transition-base);
}

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

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

.nav__toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* --- Hero Section --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 50%, var(--color-primary-light) 100%);
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.25;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(15, 22, 32, 0.4) 0%,
    rgba(26, 35, 50, 0.7) 60%,
    rgba(26, 35, 50, 0.95) 100%
  );
}

.hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: var(--space-4xl) var(--space-lg);
  max-width: 800px;
}

/* Hero Logo — Prominent EK monogram */
.hero__logo-wrapper {
  margin-bottom: var(--space-2xl);
  animation: logoFadeIn 1.2s cubic-bezier(0.16, 1, 0.3, 1) both;
}
.hero__logo {
  width: clamp(200px, 25vw, 320px);
  height: auto;
  margin: 0 auto;
  filter: drop-shadow(0 6px 30px rgba(201, 169, 97, 0.4));
}
@keyframes logoFadeIn {
  from { opacity: 0; transform: scale(0.85) translateY(20px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.hero__badge {
  display: inline-block;
  padding: 0.4rem 1.2rem;
  border: 1px solid rgba(201, 169, 97, 0.4);
  border-radius: 50px;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-xl);
}

.hero__title {
  font-family: var(--font-heading);
  font-size: var(--text-5xl);
  font-weight: 700;
  line-height: 1.1;
  color: var(--color-white);
  margin-bottom: var(--space-lg);
}

.hero__title span {
  color: var(--color-accent);
}

.hero__subtitle {
  font-size: var(--text-xl);
  color: var(--color-gray-300);
  line-height: 1.6;
  margin-bottom: var(--space-2xl);
}

.hero__actions {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

.hero__stats {
  display: flex;
  justify-content: center;
  gap: var(--space-3xl);
  margin-top: var(--space-3xl);
  padding-top: var(--space-2xl);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.hero__stat {
  text-align: center;
}

.hero__stat-number {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--color-accent);
  display: block;
}

.hero__stat-label {
  font-size: var(--text-xs);
  color: var(--color-gray-400);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: var(--space-xs);
}

/* --- About Section --- */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.about__image {
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  aspect-ratio: 4 / 3;
}

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

.about__content h2 {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-lg);
  line-height: 1.2;
}

.about__content p {
  color: var(--color-text-light);
  margin-bottom: var(--space-md);
  line-height: 1.8;
}

.about__features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin-top: var(--space-xl);
}

.about__feature {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-primary);
}

.about__feature svg {
  width: 20px;
  height: 20px;
  color: var(--color-accent);
  flex-shrink: 0;
}

/* --- Services Section --- */
.services__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
}

.service-card {
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  padding: var(--space-2xl);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  border: 1px solid var(--color-gray-200);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-accent);
}

.service-card__icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
}

.service-card__icon svg {
  width: 28px;
  height: 28px;
  color: var(--color-white);
}

.service-card__title {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}

.service-card__text {
  color: var(--color-text-light);
  line-height: 1.8;
}

/* --- Portfolio Section --- */
.portfolio__filters {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-2xl);
  flex-wrap: wrap;
}

.portfolio__filter {
  padding: 0.5rem 1.25rem;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-gray-500);
  border-radius: 50px;
  transition: all var(--transition-fast);
  border: 1px solid var(--color-gray-200);
  background: var(--color-white);
}

.portfolio__filter:hover,
.portfolio__filter.active {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.portfolio__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.portfolio-card {
  position: relative;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  aspect-ratio: 16 / 10;
  cursor: pointer;
  box-shadow: var(--shadow-md);
}

.portfolio-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.portfolio-card:hover img {
  transform: scale(1.05);
}

.portfolio-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(15, 22, 32, 0.9) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-lg);
  transition: background var(--transition-base);
}

.portfolio-card:hover .portfolio-card__overlay {
  background: linear-gradient(180deg, transparent 20%, rgba(15, 22, 32, 0.95) 100%);
}

.portfolio-card__title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: var(--space-xs);
}

.portfolio-card__meta {
  font-size: var(--text-xs);
  color: var(--color-accent);
  font-weight: 500;
}

/* --- Values Section --- */
.values__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
}

.value-card {
  text-align: center;
  padding: var(--space-xl);
}

.value-card__icon {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--space-md);
  color: var(--color-accent);
}

.value-card__title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-white);
  margin-bottom: var(--space-sm);
}

.value-card__text {
  font-size: var(--text-sm);
  color: var(--color-gray-400);
  line-height: 1.7;
}

/* --- Team Section --- */
.team__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

.team-card {
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  padding: var(--space-xl);
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-gray-200);
  transition: all var(--transition-base);
}

.team-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.team-card__avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-md);
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-accent);
}

.team-card__name {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-xs);
}

.team-card__role {
  font-size: var(--text-sm);
  color: var(--color-accent-dark);
  font-weight: 500;
  margin-bottom: var(--space-sm);
}

.team-card__contact {
  font-size: var(--text-xs);
  color: var(--color-text-light);
}

.team-card__contact a {
  color: var(--color-accent);
}

.team-card__contact a:hover {
  text-decoration: underline;
}

/* --- Contact Section --- */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
}

.contact__info h3 {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-lg);
}

.contact__detail {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.contact__detail-icon {
  width: 44px;
  height: 44px;
  background: var(--color-off-white);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-accent);
}

.contact__detail-icon svg {
  width: 20px;
  height: 20px;
}

.contact__detail-label {
  font-size: var(--text-xs);
  color: var(--color-text-light);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 2px;
}

.contact__detail-value {
  font-weight: 500;
  color: var(--color-primary);
}

.contact__detail-value a:hover {
  color: var(--color-accent);
}

.contact__map {
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  margin-top: var(--space-xl);
  box-shadow: var(--shadow-md);
}

.contact__map iframe {
  width: 100%;
  height: 250px;
  border: 0;
}

/* Contact Form */
.contact__form {
  background: var(--color-off-white);
  border-radius: var(--border-radius-lg);
  padding: var(--space-2xl);
}

.form__group {
  margin-bottom: var(--space-lg);
}

.form__label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.form__input,
.form__textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 1px solid var(--color-gray-300);
  border-radius: var(--border-radius);
  background: var(--color-white);
  color: var(--color-text);
  font-size: var(--text-base);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form__input:focus,
.form__textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(201, 169, 97, 0.15);
}

.form__textarea {
  resize: vertical;
  min-height: 120px;
}

.form__submit {
  width: 100%;
}

.form__success {
  display: none;
  text-align: center;
  padding: var(--space-2xl);
}

.form__success.show {
  display: block;
}

.form__success svg {
  width: 48px;
  height: 48px;
  color: var(--color-success);
  margin: 0 auto var(--space-md);
}

.form__success h3 {
  font-family: var(--font-heading);
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

/* --- Footer --- */
.footer {
  background: var(--color-primary-dark);
  color: var(--color-gray-400);
  padding: var(--space-2xl) 0;
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.footer__copy {
  font-size: var(--text-sm);
}

.footer__links {
  display: flex;
  gap: var(--space-lg);
}

.footer__link {
  font-size: var(--text-sm);
  color: var(--color-gray-400);
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: var(--color-accent);
}

.footer__social {
  display: flex;
  gap: var(--space-md);
}

.footer__social a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gray-400);
  transition: all var(--transition-fast);
}

.footer__social a:hover {
  background: var(--color-accent);
  color: var(--color-primary-dark);
}

.footer__social a svg {
  width: 18px;
  height: 18px;
}

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

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

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

/* --- Responsive --- */
@media (max-width: 1024px) {
  .portfolio__grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 768px) {
  .nav__links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 320px;
    height: 100vh;
    background: var(--color-primary);
    flex-direction: column;
    align-items: flex-start;
    padding: 5rem var(--space-xl) var(--space-xl);
    gap: var(--space-lg);
    transition: right var(--transition-base);
    box-shadow: var(--shadow-xl);
  }

  .nav__links.open {
    right: 0;
  }

  .nav__toggle {
    display: flex;
  }

  .hero__stats {
    flex-direction: column;
    gap: var(--space-lg);
  }

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

  .about__image {
    order: -1;
  }

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

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

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

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

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

@media (max-width: 480px) {
  .about__features {
    grid-template-columns: 1fr;
  }

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

  .hero__actions {
    flex-direction: column;
    align-items: center;
  }
}