/* --------------------------------------------------
   StremTrawl Studio – Elegant Classic CSS
   Author: Senior CSS Developer & UI Designer
   -------------------------------------------------- */

/* 1. Root Variables & Base Reset */
:root {
  --color-primary: #1E293B;
  --color-secondary: #F4FAFF;
  --color-accent: #0EA5E9;
  --color-muted: #E5E7EB;
  --color-bg: #FAFAFA;
  --color-card-bg: #FFFFFF;
  --color-border: #D1D5DB;
  --color-text: #232323;
  --color-text-muted: #6B7280;
  --color-shadow: rgba(30,41,59,0.07);
  --font-display: 'Montserrat', 'Georgia', serif;
  --font-body: 'Roboto', 'Georgia', serif;
  --radius: 12px;
  --transition: 0.25s cubic-bezier(.4,0,.2,1);
  --shadow-card: 0 2px 12px var(--color-shadow);
  --shadow-elevated: 0 4px 24px var(--color-shadow);
}

html {
  box-sizing: border-box;
  font-size: 18px;
  background: var(--color-bg);
  color: var(--color-text);
  scroll-behavior: smooth;
}
*, *:before, *:after {
  box-sizing: inherit;
}
body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  min-height: 100vh;
}
img {
  max-width: 100%;
  display: block;
  border-radius: var(--radius);
}
a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover, a:focus {
  color: var(--color-primary);
  text-decoration: underline;
}

/* 2. Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--color-primary);
  margin-top: 0;
  margin-bottom: 0.7em;
  font-weight: 700;
  letter-spacing: 0.01em;
}
h1 {
  font-size: 2.3rem;
  line-height: 1.15;
}
h2 {
  font-size: 1.7rem;
  line-height: 1.2;
}
h3 {
  font-size: 1.25rem;
  line-height: 1.3;
}
h4 {
  font-size: 1.1rem;
  font-weight: 600;
}
p, ul, ol {
  margin-top: 0;
  margin-bottom: 1.1em;
}
ul, ol {
  padding-left: 1.5em;
}
li {
  margin-bottom: 0.5em;
}
strong {
  font-weight: 600;
}

/* 3. Layout Containers */
.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}
.content-wrapper {
  width: 100%;
  margin: 0 auto;
}
.section {
  margin-bottom: 60px;
  padding: 40px 20px;
  background: none;
}

/* 4. Header & Navigation */
header {
  background: var(--color-card-bg);
  box-shadow: 0 2px 8px var(--color-shadow);
  position: sticky;
  top: 0;
  z-index: 100;
}
header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-top: 18px;
  padding-bottom: 18px;
}
.logo img {
  height: 44px;
  width: auto;
  display: block;
}
.main-nav {
  display: flex;
  gap: 28px;
  align-items: center;
}
.main-nav a {
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--color-primary);
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  transition: border-color var(--transition), color var(--transition);
}
.main-nav a:hover, .main-nav a:focus {
  color: var(--color-accent);
  border-bottom: 2px solid var(--color-accent);
}
.btn-primary {
  background: var(--color-accent);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 600;
  padding: 10px 28px;
  border-radius: var(--radius);
  border: none;
  box-shadow: 0 2px 8px var(--color-shadow);
  transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
  cursor: pointer;
  font-size: 1.05rem;
  letter-spacing: 0.01em;
  margin-left: 12px;
  display: inline-block;
}
.btn-primary:hover, .btn-primary:focus {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 4px 16px var(--color-shadow);
  transform: translateY(-2px) scale(1.03);
}
.btn-secondary {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
  font-family: var(--font-display);
  font-weight: 600;
  padding: 10px 24px;
  border-radius: var(--radius);
  transition: background var(--transition), color var(--transition), border-color var(--transition);
  cursor: pointer;
  font-size: 1rem;
  margin-top: 18px;
  display: inline-block;
}
.btn-secondary:hover, .btn-secondary:focus {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-accent);
}

/* 5. Mobile Navigation */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 2rem;
  color: var(--color-primary);
  cursor: pointer;
  margin-left: 12px;
  transition: color var(--transition);
}
.mobile-menu-toggle:focus {
  outline: 2px solid var(--color-accent);
}
.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(30,41,59,0.97);
  z-index: 2000;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
  padding: 32px 24px 24px 24px;
  transform: translateX(-100%);
  transition: transform 0.35s cubic-bezier(.4,0,.2,1);
  opacity: 0;
  pointer-events: none;
}
.mobile-menu.open {
  transform: translateX(0);
  opacity: 1;
  pointer-events: auto;
}
.mobile-menu-close {
  background: none;
  border: none;
  color: #fff;
  font-size: 2.2rem;
  align-self: flex-end;
  margin-bottom: 24px;
  cursor: pointer;
  transition: color var(--transition);
}
.mobile-menu-close:hover, .mobile-menu-close:focus {
  color: var(--color-accent);
}
.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 24px;
  width: 100%;
}
.mobile-nav a {
  color: #fff;
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: color var(--transition);
}
.mobile-nav a:hover, .mobile-nav a:focus {
  color: var(--color-accent);
}

@media (max-width: 1024px) {
  .main-nav {
    gap: 18px;
  }
}
@media (max-width: 900px) {
  header .container {
    gap: 12px;
  }
  .main-nav {
    gap: 10px;
  }
}
@media (max-width: 768px) {
  .main-nav, .btn-primary {
    display: none;
  }
  .mobile-menu-toggle {
    display: block;
  }
}

/* 6. Hero Section */
.hero {
  background: linear-gradient(120deg, var(--color-secondary) 60%, #e7f1fa 100%);
  padding: 60px 0 40px 0;
  margin-bottom: 0;
}
.hero .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 320px;
}
.hero h1 {
  font-size: 2.5rem;
  color: var(--color-primary);
  margin-bottom: 18px;
  text-align: center;
}
.hero p {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  margin-bottom: 28px;
  text-align: center;
}
.hero .btn-primary {
  margin: 0 auto;
}

/* 7. Features & Cards */
.feature-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-top: 24px;
  margin-bottom: 24px;
}
.feature-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 15px;
  background: var(--color-card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 28px 22px 22px 22px;
  min-width: 220px;
  flex: 1 1 220px;
  transition: box-shadow var(--transition), transform var(--transition);
  margin-bottom: 20px;
}
.feature-item:hover, .feature-item:focus-within {
  box-shadow: var(--shadow-elevated);
  transform: translateY(-3px) scale(1.02);
}
.feature-icon {
  font-size: 2.2rem;
  color: var(--color-accent);
  margin-bottom: 8px;
}

.card-container {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}
.card {
  background: var(--color-card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  margin-bottom: 20px;
  position: relative;
  padding: 24px 20px;
  transition: box-shadow var(--transition), transform var(--transition);
}
.card:hover, .card:focus-within {
  box-shadow: var(--shadow-elevated);
  transform: translateY(-2px) scale(1.01);
}

.content-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: space-between;
}

.text-image-section {
  display: flex;
  align-items: center;
  gap: 30px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.profile-photo {
  width: 120px;
  height: 120px;
  object-fit: cover;
  border-radius: 50%;
  box-shadow: 0 2px 8px var(--color-shadow);
  margin-bottom: 12px;
}

/* 8. Portfolio Preview & Slider */
.portfolio-preview {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 24px;
}
.portfolio-slider {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}
.project-thumbnail {
  background: var(--color-card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 12px 12px 8px 12px;
  min-width: 180px;
  flex: 1 1 180px;
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: box-shadow var(--transition), transform var(--transition);
}
.project-thumbnail:hover, .project-thumbnail:focus-within {
  box-shadow: var(--shadow-elevated);
  transform: translateY(-2px) scale(1.01);
}
.project-thumbnail h4 {
  font-size: 1.05rem;
  color: var(--color-primary);
  margin-top: 10px;
  margin-bottom: 0;
  text-align: center;
}

/* 9. Testimonials */
.testimonials {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 24px;
}
.testimonial-card {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px;
  background: var(--color-secondary);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  color: var(--color-primary);
  min-width: 260px;
  flex: 1 1 260px;
  margin-bottom: 20px;
  transition: box-shadow var(--transition), transform var(--transition);
}
.testimonial-card p {
  font-style: italic;
  color: var(--color-primary);
  margin-bottom: 0.5em;
}
.testimonial-card span {
  font-size: 0.98rem;
  color: var(--color-text-muted);
  font-family: var(--font-body);
}
.testimonial-card:hover, .testimonial-card:focus-within {
  box-shadow: var(--shadow-elevated);
  transform: translateY(-2px) scale(1.01);
}

.client-logos {
  display: flex;
  gap: 32px;
  align-items: center;
  margin-top: 18px;
  flex-wrap: wrap;
}
.client-logos img {
  height: 38px;
  width: auto;
  opacity: 0.85;
  transition: opacity var(--transition), filter var(--transition);
}
.client-logos img:hover {
  opacity: 1;
  filter: drop-shadow(0 2px 8px var(--color-shadow));
}

/* 10. CTA Section */
.cta {
  background: linear-gradient(120deg, #e7f1fa 60%, var(--color-secondary) 100%);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  margin-bottom: 60px;
  padding: 40px 20px;
  text-align: center;
}
.cta h2 {
  margin-bottom: 12px;
}
.cta p {
  margin-bottom: 22px;
}

/* 11. Footer */
footer {
  background: var(--color-primary);
  color: #fff;
  padding: 40px 0 24px 0;
  font-size: 1rem;
  margin-top: 60px;
}
footer .container {
  display: flex;
  flex-direction: column;
  gap: 32px;
  align-items: center;
}
.footer-nav {
  display: flex;
  gap: 24px;
  margin-bottom: 12px;
}
.footer-nav a {
  color: #fff;
  font-family: var(--font-display);
  font-size: 1rem;
  opacity: 0.85;
  transition: opacity var(--transition), color var(--transition);
}
.footer-nav a:hover, .footer-nav a:focus {
  color: var(--color-accent);
  opacity: 1;
}
.footer-contact {
  text-align: center;
  color: #e5e7eb;
  font-size: 0.98rem;
  margin-bottom: 8px;
}
.footer-branding {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}
.footer-branding img {
  height: 36px;
  width: auto;
  margin-bottom: 4px;
}
.footer-branding span {
  font-size: 0.95rem;
  color: #cbd5e1;
}

/* 12. Pricing Table */
.pricing-table {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 24px;
  justify-content: center;
}
.pricing-package {
  background: var(--color-card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 32px 24px 24px 24px;
  min-width: 220px;
  flex: 1 1 220px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  margin-bottom: 20px;
  transition: box-shadow var(--transition), transform var(--transition);
}
.pricing-package:hover, .pricing-package:focus-within {
  box-shadow: var(--shadow-elevated);
  transform: translateY(-2px) scale(1.01);
}
.pricing-package h3 {
  margin-bottom: 8px;
}
.pricing-package .price {
  font-size: 1.5rem;
  color: var(--color-accent);
  font-weight: 700;
  margin-bottom: 14px;
}
.pricing-package ul {
  margin-bottom: 0;
}

.package-comparison {
  margin-bottom: 18px;
  color: var(--color-text-muted);
  font-size: 1.02rem;
}
.custom-quote-cta {
  margin-top: 18px;
  text-align: center;
}

.benefit-list {
  margin-top: 18px;
  margin-bottom: 0;
}
.benefit-list li {
  margin-bottom: 0.7em;
}

/* 13. Project Grid & Case Studies */
.project-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 24px;
}
.project-card {
  background: var(--color-card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 22px 18px 18px 18px;
  min-width: 220px;
  flex: 1 1 220px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  margin-bottom: 20px;
  transition: box-shadow var(--transition), transform var(--transition);
}
.project-card:hover, .project-card:focus-within {
  box-shadow: var(--shadow-elevated);
  transform: translateY(-2px) scale(1.01);
}
.project-card img {
  border-radius: var(--radius);
  margin-bottom: 12px;
}
.project-card h3 {
  margin-bottom: 8px;
}

.filter-options {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 18px;
}
.filter-options select {
  font-family: var(--font-body);
  font-size: 1rem;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  padding: 6px 12px;
  background: var(--color-secondary);
  color: var(--color-primary);
  transition: border-color var(--transition);
}
.filter-options select:focus {
  border-color: var(--color-accent);
}

.case-study-list {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 24px;
}
.case-study {
  background: var(--color-card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 22px 18px 18px 18px;
  min-width: 220px;
  flex: 1 1 220px;
  margin-bottom: 20px;
}

/* 14. Process Steps & FAQ */
.process-steps {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 24px;
}
.process-step {
  background: var(--color-card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 22px 18px 18px 18px;
  min-width: 180px;
  flex: 1 1 180px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  margin-bottom: 20px;
  transition: box-shadow var(--transition), transform var(--transition);
}
.process-step:hover, .process-step:focus-within {
  box-shadow: var(--shadow-elevated);
  transform: translateY(-2px) scale(1.01);
}
.process-icon {
  font-size: 2rem;
  color: var(--color-accent);
  margin-bottom: 8px;
}
.timeline {
  color: var(--color-text-muted);
  font-size: 1.02rem;
  margin-bottom: 18px;
}

.faq-list {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}
.faq-item {
  background: var(--color-card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 22px 18px 18px 18px;
  min-width: 220px;
  flex: 1 1 220px;
  margin-bottom: 20px;
}

/* 15. Contact Page */
.contact-details {
  min-width: 220px;
  flex: 1 1 220px;
  margin-bottom: 20px;
}
.map-location {
  min-width: 220px;
  flex: 1 1 220px;
  margin-bottom: 20px;
}

/* 16. Cookie Consent Banner & Modal */
.cookie-banner {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-card-bg);
  color: var(--color-primary);
  box-shadow: 0 -2px 16px var(--color-shadow);
  padding: 24px 20px 20px 20px;
  z-index: 3000;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  animation: cookieBannerIn 0.5s cubic-bezier(.4,0,.2,1);
}
@keyframes cookieBannerIn {
  from { transform: translateY(100%); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}
.cookie-banner p {
  margin: 0 0 8px 0;
  text-align: center;
  color: var(--color-primary);
}
.cookie-banner .cookie-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
}
.cookie-btn {
  font-family: var(--font-display);
  font-size: 1rem;
  border-radius: var(--radius);
  padding: 8px 22px;
  border: none;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
  margin-bottom: 0;
}
.cookie-btn.accept {
  background: var(--color-accent);
  color: #fff;
  font-weight: 600;
  box-shadow: 0 2px 8px var(--color-shadow);
}
.cookie-btn.accept:hover, .cookie-btn.accept:focus {
  background: var(--color-primary);
}
.cookie-btn.reject {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
  font-weight: 600;
}
.cookie-btn.reject:hover, .cookie-btn.reject:focus {
  background: var(--color-primary);
  color: #fff;
}
.cookie-btn.settings {
  background: transparent;
  color: var(--color-accent);
  border: 2px solid var(--color-accent);
  font-weight: 600;
}
.cookie-btn.settings:hover, .cookie-btn.settings:focus {
  background: var(--color-accent);
  color: #fff;
}

/* Cookie Modal */
.cookie-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(30,41,59,0.65);
  z-index: 4000;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: cookieModalFadeIn 0.3s cubic-bezier(.4,0,.2,1);
}
@keyframes cookieModalFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
.cookie-modal {
  background: var(--color-card-bg);
  color: var(--color-primary);
  border-radius: var(--radius);
  box-shadow: var(--shadow-elevated);
  padding: 36px 28px 28px 28px;
  min-width: 320px;
  max-width: 95vw;
  display: flex;
  flex-direction: column;
  gap: 18px;
  position: relative;
  animation: cookieModalSlideIn 0.4s cubic-bezier(.4,0,.2,1);
}
@keyframes cookieModalSlideIn {
  from { transform: translateY(60px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}
.cookie-modal h2 {
  margin-bottom: 8px;
  font-size: 1.3rem;
}
.cookie-modal .cookie-category {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 12px;
}
.cookie-modal .cookie-category label {
  font-size: 1.05rem;
  color: var(--color-primary);
}
.cookie-modal .cookie-toggle {
  width: 38px;
  height: 22px;
  border-radius: 11px;
  background: var(--color-muted);
  position: relative;
  cursor: pointer;
  transition: background var(--transition);
  flex-shrink: 0;
}
.cookie-modal .cookie-toggle input {
  display: none;
}
.cookie-modal .cookie-toggle .slider {
  position: absolute;
  left: 2px;
  top: 2px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 4px var(--color-shadow);
  transition: left var(--transition), background var(--transition);
}
.cookie-modal .cookie-toggle input:checked + .slider {
  left: 18px;
  background: var(--color-accent);
}
.cookie-modal .cookie-category.essential .cookie-toggle {
  background: var(--color-accent);
  cursor: not-allowed;
}
.cookie-modal .cookie-category.essential label {
  opacity: 0.7;
}
.cookie-modal .cookie-actions {
  display: flex;
  gap: 16px;
  justify-content: flex-end;
  margin-top: 10px;
}
.cookie-modal .cookie-close {
  position: absolute;
  top: 12px;
  right: 16px;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--color-primary);
  cursor: pointer;
  transition: color var(--transition);
}
.cookie-modal .cookie-close:hover, .cookie-modal .cookie-close:focus {
  color: var(--color-accent);
}

/* 17. Responsive Design */
@media (max-width: 1024px) {
  .container {
    max-width: 96vw;
  }
  .feature-grid, .project-grid, .case-study-list, .process-steps, .faq-list, .pricing-table, .testimonials {
    gap: 16px;
  }
}
@media (max-width: 900px) {
  .feature-grid, .project-grid, .case-study-list, .process-steps, .faq-list, .pricing-table, .testimonials {
    flex-direction: column;
    gap: 18px;
  }
  .portfolio-slider {
    flex-direction: column;
    gap: 18px;
  }
}
@media (max-width: 768px) {
  html {
    font-size: 16px;
  }
  .container {
    padding: 0 10px;
  }
  .section, .cta {
    padding: 28px 8px;
    margin-bottom: 36px;
  }
  .hero {
    padding: 36px 0 24px 0;
  }
  .hero h1 {
    font-size: 1.6rem;
  }
  .feature-grid, .project-grid, .case-study-list, .process-steps, .faq-list, .pricing-table, .testimonials {
    flex-direction: column;
    gap: 14px;
  }
  .portfolio-slider {
    flex-direction: column;
    gap: 14px;
  }
  .text-image-section {
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
  }
  .client-logos {
    gap: 18px;
  }
  footer .container {
    gap: 18px;
    padding: 0 8px;
  }
  .footer-nav {
    gap: 12px;
    flex-wrap: wrap;
    justify-content: center;
  }
}
@media (max-width: 500px) {
  .cookie-modal {
    min-width: 0;
    padding: 18px 6px 16px 6px;
  }
  .cookie-banner {
    padding: 14px 4px 10px 4px;
  }
}

/* 18. Utility Classes */
.text-center {
  text-align: center;
}
.mt-0 { margin-top: 0 !important; }
.mb-0 { margin-bottom: 0 !important; }
.mt-2 { margin-top: 12px !important; }
.mb-2 { margin-bottom: 12px !important; }

/* 19. Accessibility */
:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* 20. Hide elements visually but keep for screen readers */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

/* END OF CSS */