/* Frosse Website - Clean CSS (no Squarespace dependencies)
   Rebuilt to match original design without SS framework
*/

/* ============================================
   CSS Custom Properties (Design Tokens)
   ============================================ */
:root {
  /* Colors */
  --color-teal: #2ECDA7;
  --color-navy: #1E1E3F;
  --color-navy-dark: #171730;
  --color-white: #ffffff;
  --color-gray-light: #f7f7f7;
  --color-text-dark: #1E1E3F;
  --color-text-light: #ffffff;
  --color-text-muted: rgba(255, 255, 255, 0.85);

  /* Gradients */
  --gradient-hero: linear-gradient(135deg, rgba(138, 43, 226, 0.35) 0%, rgba(46, 205, 167, 0.35) 100%);
  --gradient-line: linear-gradient(90deg, #2ECDA7 0%, #8A2BE2 100%);

  /* Typography */
  --font-primary: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;

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

  /* Layout */
  --max-width: 1200px;
  --header-height: 100px;
  --header-height-mobile: 70px;

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.6s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  font-weight: var(--font-weight-normal);
  line-height: 1.6;
  color: var(--color-text-dark);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-weight-light);
  line-height: 1.0;
}

h1 {
  font-size: clamp(3.5rem, 10vw, 8rem);
}

h2 {
  font-size: clamp(2.5rem, 6vw, 5.5rem);
}

h3 {
  font-size: clamp(1.75rem, 4vw, 3.5rem);
}

p {
  font-size: 1.5rem;
  line-height: 1.6;
  margin-bottom: 1rem;
}

.text-teal {
  color: var(--color-teal);
}

.text-navy {
  color: var(--color-navy);
}

.text-white {
  color: var(--color-white);
}

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

.text-bold {
  font-weight: var(--font-weight-bold);
}

/* ============================================
   Layout Utilities
   ============================================ */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

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

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

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

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

/* ============================================
   Header
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  display: flex;
  align-items: center;
  transition: background-color var(--transition-normal), box-shadow var(--transition-normal);
}

.header--transparent {
  background-color: transparent;
}

.header--solid {
  background-color: var(--color-navy);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

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

.header__logo-text {
  font-size: 1.5rem;
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.2em;
  color: var(--color-white);
}

/* Desktop Navigation */
.nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.nav__link {
  color: var(--color-white);
  font-weight: var(--font-weight-medium);
  font-size: 1.5rem;
  transition: color var(--transition-fast);
  position: relative;
}

.nav__link:hover,
.nav__link--active {
  color: var(--color-teal);
}

.nav__link--active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--color-teal);
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 30px;
  height: 30px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.menu-toggle__line {
  width: 100%;
  height: 2px;
  background-color: var(--color-white);
  transition: transform var(--transition-normal), opacity var(--transition-normal);
}

.menu-toggle--open .menu-toggle__line:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

.menu-toggle--open .menu-toggle__line:nth-child(2) {
  opacity: 0;
}

.menu-toggle--open .menu-toggle__line:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* Mobile Navigation Overlay */
.mobile-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--color-teal);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
  z-index: 999;
}

.mobile-nav--open {
  opacity: 1;
  visibility: visible;
}

.mobile-nav__close {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  background: none;
  border: none;
  font-size: 2rem;
  color: var(--color-navy);
  cursor: pointer;
  line-height: 1;
}

.mobile-nav__link {
  font-size: 1.75rem;
  font-weight: var(--font-weight-medium);
  color: var(--color-navy);
  transition: opacity var(--transition-fast);
}

.mobile-nav__link:hover {
  opacity: 0.7;
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
  position: relative;
  min-height: 55vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-size: cover;
  background-position: center;
  overflow: hidden;
}

.hero--full {
  min-height: 100vh;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-hero);
  z-index: 1;
}

.hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: var(--spacing-md);
}

.hero__title {
  color: var(--color-teal);
  font-size: clamp(3.5rem, 10vw, 7rem);
  font-weight: var(--font-weight-light);
  margin-bottom: var(--spacing-sm);
}

.hero__subtitle {
  color: var(--color-white);
  font-size: clamp(1rem, 2vw, 1.25rem);
  max-width: 600px;
  margin: 0 auto;
}

/* ============================================
   Accent Bar
   ============================================ */
.accent-bar {
  height: 12px;
  background-color: var(--color-teal);
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-block;
  padding: 1rem 2.5rem;
  font-family: var(--font-primary);
  font-size: 1.1rem;
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

.btn--primary:hover {
  background-color: #25b896;
  transform: translateY(-2px);
}

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

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

/* ============================================
   Service Cards
   ============================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  padding: var(--spacing-lg) 0;
}

.service-card {
  text-align: center;
  padding: var(--spacing-md);
}

.service-card__icon {
  width: 120px;
  height: 120px;
  margin: 0 auto var(--spacing-md);
}

.service-card__icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.service-card__title {
  color: var(--color-teal);
  font-size: 1.5rem;
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-sm);
}

.service-card__text {
  color: var(--color-text-muted);
  font-size: 1.15rem;
  line-height: 1.7;
}

/* ============================================
   Quote/Testimonial Section
   ============================================ */
.quote-section {
  background-color: var(--color-teal);
  padding: var(--spacing-xl) var(--spacing-md);
}

.quote {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
  font-style: italic;
  font-weight: var(--font-weight-semibold);
  color: var(--color-navy);
  line-height: 1.5;
}

.quote__author {
  text-align: center;
  font-size: 1.25rem;
  color: var(--color-navy);
  margin-top: var(--spacing-md);
}

.quote__author strong {
  font-weight: var(--font-weight-bold);
}

/* ============================================
   Two Column Layout
   ============================================ */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  align-items: start;
}

@media (max-width: 768px) {
  .two-col {
    grid-template-columns: 1fr;
  }
}

.three-col {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
  align-items: start;
}

@media (max-width: 992px) {
  .three-col {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
}

/* Section with primary (navy) background */
.section--primary {
  background-color: var(--color-navy);
}

/* ============================================
   Forms
   ============================================ */
.form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.form__group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.form__label {
  font-size: 1.1rem;
  font-weight: var(--font-weight-medium);
  color: var(--color-navy);
}

.form__label--required::after {
  content: ' *';
  color: var(--color-teal);
}

.form__input,
.form__textarea {
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  padding: 0.875rem 1rem;
  font-family: var(--font-primary);
  font-size: 1.15rem;
  border: 1px solid #ddd;
  background-color: var(--color-white);
  transition: border-color var(--transition-fast);
}

.form__input:focus,
.form__textarea:focus {
  outline: none;
  border-color: var(--color-teal);
}

.form__textarea {
  min-height: 150px;
  resize: vertical;
}

.form__submit {
  align-self: flex-start;
}

/* Honeypot field - hidden from users */
.form__honeypot {
  position: absolute;
  left: -9999px;
}

/* ============================================
   Footer
   ============================================ */
.footer {
  background-color: var(--color-navy-dark);
  color: var(--color-white);
  padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer__logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.footer__logo img {
  height: 60px;
}

.footer__logo-text {
  font-size: 1.75rem;
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.2em;
}

.footer__divider {
  height: 2px;
  background: var(--gradient-line);
  max-width: 600px;
  margin: 0 auto var(--spacing-lg);
}

.footer__address {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.footer__address-title {
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-xs);
}

.footer__address-line {
  color: var(--color-text-muted);
  margin-bottom: 0.25rem;
}

.footer__email {
  margin-top: var(--spacing-sm);
}

.footer__email-label {
  color: var(--color-teal);
  margin-right: 0.5rem;
}

.footer__email-link {
  color: var(--color-white);
  transition: color var(--transition-fast);
}

.footer__email-link:hover {
  color: var(--color-teal);
}

.footer__bottom {
  text-align: center;
  padding-top: var(--spacing-lg);
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.footer__bottom a {
  color: var(--color-white);
  text-decoration: underline;
}

.footer__bottom a:hover {
  color: var(--color-teal);
}

/* ============================================
   Fade-in Animations
   ============================================ */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

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

/* Staggered animations for children */
.fade-in-stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.fade-in-stagger.visible > *:nth-child(1) { transition-delay: 0s; }
.fade-in-stagger.visible > *:nth-child(2) { transition-delay: 0.1s; }
.fade-in-stagger.visible > *:nth-child(3) { transition-delay: 0.2s; }
.fade-in-stagger.visible > *:nth-child(4) { transition-delay: 0.3s; }
.fade-in-stagger.visible > *:nth-child(5) { transition-delay: 0.4s; }

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

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 768px) {
  :root {
    --header-height: var(--header-height-mobile);
  }

  .nav {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .section {
    padding: var(--spacing-lg) 0;
  }

  .hero {
    min-height: 45vh;
  }

  .services-grid {
    gap: var(--spacing-md);
  }

  .service-card {
    padding: var(--spacing-sm);
  }
}

@media (max-width: 480px) {
  .hero__title {
    font-size: 2rem;
  }

  .btn {
    padding: 0.875rem 1.5rem;
    width: 100%;
    text-align: center;
  }
}

/* ============================================
   Image Section (Team Photo etc.)
   ============================================ */
.image-section {
  position: relative;
  min-height: 400px;
  background-size: cover;
  background-position: center;
}

.image-section__overlay {
  position: absolute;
  top: 0;
  left: 0;
  padding: var(--spacing-md);
}

.image-section__logo {
  opacity: 0.3;
}

.image-section__logo img {
  height: 80px;
}

.image-section__logo-text {
  font-size: 2rem;
  letter-spacing: 0.1em;
  color: var(--color-navy);
  opacity: 0.3;
}

/* ============================================
   Intro Section (centered text with divider)
   ============================================ */
.intro {
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
  padding: var(--spacing-xl) var(--spacing-md);
}

.intro__divider {
  width: 60px;
  height: 2px;
  background-color: var(--color-navy);
  margin: 0 auto var(--spacing-md);
}

.intro__text {
  font-size: clamp(2rem, 4.5vw, 3.1rem);
  line-height: 1.4;
  color: var(--color-navy);
}

.intro__text strong {
  font-weight: var(--font-weight-bold);
}

/* ============================================
   Page-specific hero backgrounds
   ============================================ */
.hero--home {
  background-image: url('/content/LondonScape.jpg');
}

.hero--about {
  background-image: url('/content/backgrounds/alt-3.jpg');
}

.hero--services {
  background-image: url('/content/backgrounds/alt-4.jpg');
}

.hero--careers {
  background-image: url('/content/backgrounds/bg-6.jpg');
}

.hero--contact {
  background-image: url('/content/backgrounds/alt-3.jpg');
}

.hero--privacy {
  background-image: url('/content/backgrounds/alt-3.jpg');
}

.hero--thankyou {
  background-image: url('/content/LondonScape.jpg');
}

/* Privacy policy content */
.privacy-content {
  max-width: 900px;
  margin: 0 auto;
}

.privacy-content h2 {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--color-navy);
  margin-top: 2.5rem;
  margin-bottom: 1rem;
}

.privacy-content h2:first-child {
  margin-top: 0;
}

.privacy-content p {
  font-size: 0.95rem;
  line-height: 1.8;
  margin-bottom: 0.75rem;
}

.privacy-content ul {
  margin-bottom: 1rem;
  padding-left: 1.5rem;
}

.privacy-content ul li {
  font-size: 0.95rem;
  line-height: 1.8;
  margin-bottom: 0.5rem;
  list-style: disc;
}

.privacy-content a {
  color: var(--color-teal);
}

.privacy-content a:hover {
  text-decoration: underline;
}

/* Thank you page */
.thankyou-section {
  min-height: 40vh;
  display: flex;
  align-items: center;
}

.thankyou-content {
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
  padding: var(--spacing-lg) 0;
}

.thankyou-content h2 {
  font-size: 1.5rem;
  font-weight: 400;
  margin-bottom: 1rem;
}

.thankyou-content p {
  font-size: 1.1rem;
  margin-bottom: 2rem;
  color: #666;
}

/* Team meeting image */
.team-image {
  background-image: url('/content/photos/team-meeting.jpg');
}

.developer-image {
  background-image: url('/content/photos/developer.jpg');
}

/* Quote section with primary background */
.quote-section--primary {
  background-color: var(--color-navy);
}

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

.quote-section--primary .quote footer {
  color: rgba(255, 255, 255, 0.85);
}