/* ==========================================================================
   DESIGN SYSTEM & VARIABLES
   ========================================================================== */
:root {
  /* Color Palette (Bright & Soft Pastel Tones) */
  --clr-bg-base: hsl(30, 20%, 98%); /* Soft warm white */
  --clr-bg-white: hsl(0, 0%, 100%);
  --clr-bg-light: hsl(180, 20%, 97%); /* Very faint pastel teal/blue */
  
  --clr-text-main: hsl(220, 25%, 20%); /* Deep charcoal */
  --clr-text-muted: hsl(220, 15%, 45%); /* Soft gray-blue */
  --clr-text-white: hsl(0, 0%, 100%);

  /* Primary Accent - Soft Periwinkle/Blue */
  --clr-primary-hsl: 243, 90%, 72%;
  --clr-primary: hsl(var(--clr-primary-hsl));
  --clr-primary-light: hsl(243, 90%, 95%);
  --clr-primary-dark: hsl(243, 80%, 62%);

  /* Secondary Accent / Buttons - Warm Coral Orange */
  /* Using HSL values that guarantee > 4.5:1 contrast against white text */
  --clr-orange-hsl: 16, 95%, 48%;
  --clr-orange: hsl(var(--clr-orange-hsl));
  --clr-orange-light: hsl(16, 95%, 60%);
  --clr-orange-dark: hsl(16, 100%, 42%);
  --clr-orange-pastel-bg: hsl(16, 100%, 96%);

  /* Secondary Button Hover State - Soft Warm Yellow/Gold */
  --clr-gold-hsl: 38, 95%, 48%;
  --clr-gold: hsl(var(--clr-gold-hsl));
  --clr-gold-dark: hsl(38, 100%, 42%);

  /* Border and Status Colors */
  --clr-border: hsl(220, 15%, 88%);
  --clr-border-focus: hsl(243, 90%, 72%);
  --clr-error: hsl(354, 70%, 48%);
  --clr-error-bg: hsl(354, 100%, 97%);
  --clr-success: hsl(140, 50%, 42%);

  /* Typography */
  --font-heading: 'Montserrat', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  /* Shadows (Multi-layered soft depth) */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.05), 0 1px 8px rgba(0, 0, 0, 0.02);
  --shadow-lg: 0 20px 40px rgba(124, 131, 253, 0.08), 0 1px 10px rgba(0, 0, 0, 0.02);
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

  /* Border Radii */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-pill: 9999px;

  /* Layout Constants */
  --header-height: 80px;
}

/* ==========================================================================
   CSS RESET & BASICS
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
  font-size: 100%; /* 16px */
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--clr-text-main);
  background-color: var(--clr-bg-base);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Base Headings & Links */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--clr-text-main);
  text-wrap: balance; /* Balanced headings */
}

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

img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-md);
}

/* Utilities */
.container {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: 1.5rem;
}

.bg-light {
  background-color: var(--clr-bg-light);
}

.visually-hidden {
  position: absolute !important;
  clip-path: inset(50%) !important;
  overflow: hidden !important;
  width: 1px !important;
  height: 1px !important;
  margin: -1px !important;
  padding: 0 !important;
  border: 0 !important;
  white-space: nowrap !important;
}

/* Skip Link styling */
.skip-link {
  position: fixed;
  top: -100px;
  left: 20px;
  background: var(--clr-primary);
  color: var(--clr-text-white);
  padding: 12px 24px;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  z-index: 10000;
  font-weight: 600;
  box-shadow: var(--shadow-md);
  transition: top var(--transition-fast) ease;
}

.skip-link:focus-visible {
  top: 0;
  outline: 3px solid var(--clr-orange);
  outline-offset: 2px;
}

/* Focus style fallback for interactive items */
:focus-visible {
  outline: 3px solid var(--clr-primary);
  outline-offset: 3px;
}

/* ==========================================================================
   BUTTONS & ACTIONS
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  border-radius: var(--radius-pill);
  border: none;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), 
              box-shadow var(--transition-fast),
              background var(--transition-normal);
}

.btn:active {
  transform: scale(0.97);
}

/* Primary Button: Vibrant Pastel Orange/Coral */
.btn-primary {
  background: linear-gradient(135deg, var(--clr-orange-light), var(--clr-orange));
  color: var(--clr-text-white);
}

.btn-primary:hover:not(:disabled) {
  background: linear-gradient(135deg, var(--clr-orange), var(--clr-orange-dark));
  box-shadow: 0 8px 20px rgba(255, 122, 41, 0.25);
  transform: translateY(-2px);
}

/* Secondary Button: Soft Pastel Yellow/Gold Tint */
.btn-secondary {
  background: linear-gradient(135deg, hsl(38, 95%, 60%), var(--clr-gold));
  color: var(--clr-text-white);
}

.btn-secondary:hover:not(:disabled) {
  background: linear-gradient(135deg, var(--clr-gold), var(--clr-gold-dark));
  box-shadow: 0 8px 20px rgba(255, 179, 0, 0.25);
  transform: translateY(-2px);
}

/* Icon Styles in Buttons */
.btn svg {
  fill: currentColor;
  transition: transform var(--transition-fast);
}

.btn:hover svg {
  transform: translateX(2px) scale(1.05);
}

/* ==========================================================================
   SITE HEADER & NAVIGATION
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background-color: rgba(250, 250, 250, 0.85);
  backdrop-filter: blur(12px) saturate(180%);
  border-bottom: 1px solid rgba(220, 220, 220, 0.4);
  z-index: 1000;
  transition: background-color var(--transition-fast);
}

.header-container {
  max-width: 1200px;
  height: 100%;
  margin: 0 auto;
  padding-inline: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.625rem;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.logo .accent {
  color: var(--clr-orange);
}

/* Desktop Navigation */
.desktop-nav ul {
  display: flex;
  list-style: none;
  gap: 2.5rem;
}

.desktop-nav a {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--clr-text-main);
  padding: 8px 0;
  position: relative;
}

.desktop-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--clr-orange);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition-normal);
}

.desktop-nav a:hover {
  color: var(--clr-orange);
}

.desktop-nav a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* Mobile Toggle Hamburger Button */
.mobile-nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 20px;
  background: transparent;
  border: none;
  cursor: pointer;
  z-index: 2000;
}

.mobile-nav-toggle .hamburger-bar {
  width: 100%;
  height: 3px;
  background-color: var(--clr-text-main);
  border-radius: 4px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.mobile-nav-toggle[aria-expanded="true"] .hamburger-bar:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.mobile-nav-toggle[aria-expanded="true"] .hamburger-bar:nth-child(2) {
  opacity: 0;
}

.mobile-nav-toggle[aria-expanded="true"] .hamburger-bar:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

/* Mobile Menu Drawer */
.mobile-menu {
  position: fixed;
  top: 0;
  right: 0;
  width: 80%;
  max-width: 320px;
  height: 100vh;
  height: 100dvh;
  background-color: var(--clr-bg-white);
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.05);
  padding: 100px 2.5rem 2.5rem;
  z-index: 1500;
  transform: translateX(100%);
  visibility: hidden;
  transition: transform var(--transition-normal), visibility var(--transition-normal);
}

.mobile-menu.is-open {
  transform: translateX(0);
  visibility: visible;
}

.mobile-nav ul {
  display: flex;
  flex-direction: column;
  list-style: none;
  gap: 2rem;
}

.mobile-nav a {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--clr-text-main);
}

.mobile-nav a:hover {
  color: var(--clr-orange);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
  padding-block: calc(var(--header-height) + 3rem) 4rem;
  background: linear-gradient(135deg, hsl(16, 100%, 96%) 0%, hsl(243, 90%, 96%) 100%);
  position: relative;
  overflow: hidden;
}

/* Floating background circles for visual interest */
.hero-section::before,
.hero-section::after {
  content: '';
  position: absolute;
  border-radius: var(--radius-pill);
  filter: blur(40px);
  z-index: 1;
  opacity: 0.5;
}

.hero-section::before {
  width: 250px;
  height: 250px;
  background-color: hsl(190, 80%, 90%);
  top: -50px;
  left: -50px;
}

.hero-section::after {
  width: 350px;
  height: 350px;
  background-color: hsl(270, 70%, 90%);
  bottom: -100px;
  right: -50px;
}

.hero-container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 3rem;
  position: relative;
  z-index: 2;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hero-title {
  font-size: clamp(3rem, 1rem + 5vw, 4.5rem);
  font-weight: 800;
  letter-spacing: -2px;
  margin-block-end: 1rem;
  background: linear-gradient(135deg, var(--clr-text-main) 30%, var(--clr-primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: clamp(1.25rem, 1rem + 1vw, 1.5rem);
  font-weight: 500;
  color: var(--clr-text-muted);
  margin-block-end: 2.5rem;
  line-height: 1.4;
}

.hero-image-wrapper {
  perspective: 1000px;
}

.hero-image {
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  transform: rotateY(-3deg) rotateX(2deg);
  transition: transform var(--transition-slow);
}

.hero-image:hover {
  transform: rotateY(0deg) rotateX(0deg) scale(1.02);
}

/* ==========================================================================
   BODY CONTENT SECTIONS
   ========================================================================== */
.content-section {
  padding-block: 5.5rem;
  background-color: var(--clr-bg-white);
  overflow: hidden;
}

.grid-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 4rem;
}

.text-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.section-title {
  font-size: clamp(1.85rem, 1.5rem + 1.5vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -1px;
  margin-block-end: 1.5rem;
  position: relative;
  padding-inline-start: 1.5rem;
}

/* Vertical orange indicator bar like in the screenshot */
.section-title::before {
  content: '';
  position: absolute;
  left: 0;
  top: 15%;
  height: 70%;
  width: 5px;
  background-color: var(--clr-orange);
  border-radius: 4px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--clr-text-muted);
  margin-block-end: 2rem;
  max-width: 80ch; /* accessibility length limits */
  text-wrap: pretty;
}

.lead-text {
  font-weight: 700;
  color: var(--clr-text-main);
  margin-block-end: 0.75rem;
}

.commit-list {
  list-style: none;
  margin-block-end: 1.5rem;
}

.commit-list li {
  position: relative;
  padding-inline-start: 1.75rem;
  margin-block-end: 0.75rem;
}

/* Cute pastel checkmark for list items */
.commit-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--clr-success);
  font-weight: bold;
  font-size: 1.1rem;
}

.benefits-list {
  list-style: none;
  counter-reset: benefits-counter;
  margin-block: 1.5rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.benefits-list li {
  counter-increment: benefits-counter;
  position: relative;
  padding-inline-start: 2.75rem;
  font-size: 1.05rem;
  line-height: 1.5;
  color: var(--clr-text-main);
}

.benefits-list li::before {
  content: counter(benefits-counter);
  position: absolute;
  left: 0;
  top: 2px;
  width: 26px;
  height: 26px;
  background-color: var(--clr-primary);
  color: var(--clr-text-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
  box-shadow: 0 2px 6px rgba(124, 131, 253, 0.2);
}

.founder-note {
  font-style: italic;
  border-inline-start: 4px solid var(--clr-primary);
  padding: 1rem 1.25rem;
  background-color: rgba(124, 131, 253, 0.05);
  border-radius: var(--radius-sm);
  margin-block-start: 2rem;
  font-size: 0.975rem;
  line-height: 1.6;
}

.price-highlight {
  font-size: 1.15rem;
  color: var(--clr-text-main);
  background-color: var(--clr-orange-pastel-bg);
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  border-inline-start: 4px solid var(--clr-orange);
  margin-block-end: 1rem;
}

.price-highlight strong {
  color: var(--clr-orange-dark);
}

.more-link {
  display: inline-block;
  color: var(--clr-primary);
  font-weight: 700;
  margin-block-start: 0.5rem;
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.more-link:hover {
  color: var(--clr-primary-dark);
  transform: translateX(3px);
}

.section-image {
  width: 100%;
  max-height: 420px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-slow), box-shadow var(--transition-slow);
}

.section-image:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

/* ==========================================================================
   CONTACT SECTION & FORM
   ========================================================================== */
.contact-section {
  padding-block: 6rem;
  background: linear-gradient(135deg, hsl(243, 90%, 96%) 0%, hsl(180, 20%, 94%) 100%);
  position: relative;
}

.contact-container {
  display: flex;
  justify-content: center;
  align-items: center;
}

/* Glassmorphism Consultation Form Card */
.contact-card {
  width: 100%;
  max-width: 580px;
  background-color: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(16px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: var(--radius-lg);
  padding: 3rem 2.5rem;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
}

.card-badge {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 1px;
  color: var(--clr-orange-dark);
  background-color: var(--clr-orange-pastel-bg);
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  margin-block-end: 1rem;
}

.card-title {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-block-end: 2.5rem;
  text-align: center;
}

.consultation-form {
  width: 100%;
}

.form-group {
  display: flex;
  flex-direction: column;
  margin-block-end: 1.75rem;
}

.form-group label {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--clr-text-main);
  margin-block-end: 0.5rem;
}

.form-group .required {
  color: var(--clr-error);
}

.input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.form-group input,
.form-group select {
  width: 100%;
  min-height: 48px; /* Touch target minimum height */
  padding: 12px 16px;
  font-family: var(--font-body);
  font-size: 1rem;
  background-color: var(--clr-bg-white);
  border: 2px solid var(--clr-border);
  border-radius: var(--radius-sm);
  color: var(--clr-text-main);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

/* Custom interactive input background transition */
.form-group input:focus,
.form-group select:focus {
  border-color: var(--clr-border-focus);
  box-shadow: 0 0 0 3px rgba(124, 131, 253, 0.15);
  outline: none;
}

/* User Valid/Invalid styling */
.form-group input:focus:not(:placeholder-shown):user-valid {
  border-color: var(--clr-success);
  box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.15);
}

.form-group input:focus:not(:placeholder-shown):user-invalid {
  border-color: var(--clr-error);
  box-shadow: 0 0 0 3px rgba(244, 67, 54, 0.15);
}

.field-hint {
  font-size: 0.8rem;
  color: var(--clr-text-muted);
  margin-block-start: 0.5rem;
}

.field-error {
  font-size: 0.825rem;
  font-weight: 600;
  color: var(--clr-error);
  margin-block-start: 0.5rem;
  display: none;
}

.field-error:not(:empty) {
  display: block;
}

/* Custom Dropdown Arrow */
.select-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.select-wrapper select {
  appearance: none;
  cursor: pointer;
  padding-inline-end: 40px;
}

.select-arrow {
  position: absolute;
  right: 16px;
  width: 10px;
  height: 10px;
  pointer-events: none;
  border-inline-end: 2px solid var(--clr-text-muted);
  border-block-end: 2px solid var(--clr-text-muted);
  transform: rotate(45deg);
  margin-block-start: -4px;
  transition: transform var(--transition-fast);
}

.select-wrapper select:focus + .select-arrow {
  transform: rotate(-135deg);
  border-color: var(--clr-primary);
}

/* Form Action Buttons */
.form-actions {
  margin-block-start: 2rem;
  width: 100%;
}

.btn-submit {
  width: 100%;
  background: linear-gradient(135deg, var(--clr-orange-light), var(--clr-orange));
  color: var(--clr-text-white);
  font-size: 1.1rem;
  padding-block: 16px;
  border-radius: var(--radius-pill);
}

.btn-submit:hover:not(:disabled) {
  background: linear-gradient(135deg, var(--clr-orange), var(--clr-orange-dark));
  box-shadow: 0 8px 25px rgba(255, 122, 41, 0.35);
  transform: translateY(-2px);
}

.btn-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* ==========================================================================
   FOOTER SECTION
   ========================================================================== */
.site-footer {
  background-color: var(--clr-bg-white);
  padding-block: 3.5rem 2.5rem;
  border-top: 1px solid var(--clr-border);
}

.footer-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.footer-nav ul {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.footer-nav a {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--clr-text-muted);
}

.footer-nav a:hover {
  color: var(--clr-orange);
}

.copyright {
  font-size: 0.875rem;
  color: var(--clr-text-muted);
  text-align: center;
}

/* ==========================================================================
   MEDIA QUERIES (RESPONSIVENESS)
   ========================================================================== */

/* Up to Desktop (Large screens) */
@media (max-width: 1024px) {
  .hero-container {
    gap: 2rem;
  }
  
  .grid-layout {
    gap: 2.5rem;
  }
}

/* Tablet Layout */
@media (max-width: 768px) {
  .site-header {
    height: 70px;
  }
  
  :root {
    --header-height: 70px;
  }

  /* Hamburger Navigation */
  .mobile-nav-toggle {
    display: flex;
  }

  .desktop-nav {
    display: none;
  }

  /* Hero Section Stacked */
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 3rem;
    padding-block: 2rem;
  }

  .hero-content {
    align-items: center;
  }

  .hero-title {
    margin-block-end: 0.5rem;
  }

  .hero-subtitle {
    margin-block-end: 2rem;
  }

  .hero-image-wrapper {
    max-width: 500px;
    margin: 0 auto;
  }

  /* Content Sections Stacked */
  .grid-layout, 
  .grid-layout.reverse {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .image-content {
    grid-row: 2; /* Move image down on mobile */
    max-width: 500px;
    margin: 0 auto;
    width: 100%;
  }

  .grid-layout.reverse .image-content {
    grid-row: 2;
  }

  .text-content {
    align-items: center;
    text-align: center;
  }
  
  .section-title {
    padding-inline-start: 0;
    margin-inline: auto;
  }

  .section-title::before {
    display: none; /* Hide side indicator on center alignment */
  }

  .commit-list {
    text-align: start;
    display: inline-block;
  }

  .action-btn {
    margin-inline: auto;
  }
}

/* Mobile Screen Enhancements */
@media (max-width: 480px) {
  .hero-section {
    padding-block-start: calc(var(--header-height) + 1.5rem);
  }

  .contact-card {
    padding: 2rem 1.5rem;
  }

  .card-title {
    font-size: 1.65rem;
    margin-block-end: 1.75rem;
  }
  
  .footer-nav ul {
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem 1.5rem;
  }
}

/* Accessibility: Support Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *, *::before, *::after {
    animation-delay: -1ms !important;
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    background-attachment: initial !important;
    scroll-behavior: auto !important;
    transition-duration: 0s !important;
    transition-delay: 0s !important;
  }

  .hero-image {
    transform: none !important;
  }

  .hero-image:hover {
    transform: none !important;
    scale: 1 !important;
  }

  .section-image:hover {
    transform: none !important;
  }
}