/* ===== DESIGN SYSTEM - SOLAR ENERGY ===== */

/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

/* ===== CSS Variables ===== */
:root {
  /* Colors */
  --color-primary: #FF6B00;
  --color-primary-light: #FF8C3A;
  --color-primary-dark: #CC5500;
  --color-secondary: #1a1a2e;
  --color-accent: #f4d35e;
  --color-accent-light: #fff3b0;

  /* Background Colors */
  --bg-dark: #0f0f1b;
  --bg-surface: #16213e;
  --bg-surface-light: #1f2b4d;
  --bg-gradient: linear-gradient(135deg, #0f0f1b 0%, #16213e 50%, #1a1a2e 100%);

  /* Text Colors */
  --text-primary: #ffffff;
  --text-secondary: #b0b0b0;
  --text-muted: #6b7280;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 20px rgba(255, 107, 0, 0.3);
  --shadow-glow-accent: 0 0 20px rgba(244, 211, 94, 0.2);

  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 32px;
  --radius-full: 9999px;

  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 96px;

  /* Typography */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* Container */
  --container-max: 1200px;
  --container-padding: 24px;
}

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

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

body {
  font-family: var(--font-body);
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

/* Page transition overlay */
.page-transition-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg-dark);
  z-index: 9999;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
}

.page-transition-overlay.active {
  opacity: 1;
  pointer-events: all;
}

/* ===== Typography ===== */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

h4 {
  font-size: clamp(1.25rem, 2vw, 1.5rem);
}

p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.7;
}

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

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

/* ===== Container ===== */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-normal);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s ease;
}

.btn:hover::before {
  left: 100%;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: white;
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 30px rgba(255, 107, 0, 0.5);
  color: white;
}

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

.btn-secondary:hover {
  background: var(--color-primary);
  color: white;
  transform: translateY(-3px);
}

.btn-accent {
  background: linear-gradient(135deg, var(--color-accent), #e6c54d);
  color: var(--bg-dark);
}

.btn-accent:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-glow-accent);
  color: var(--bg-dark);
}

.btn-lg {
  padding: var(--space-lg) var(--space-2xl);
  font-size: 1.125rem;
}

.btn-sm {
  padding: var(--space-sm) var(--space-md);
  font-size: 0.875rem;
}

/* ===== Cards ===== */
.card {
  background: rgba(22, 33, 62, 0.6);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: all var(--transition-normal);
}

.card:hover {
  transform: translateY(-8px);
  border-color: rgba(255, 107, 0, 0.3);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.card-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.card-icon {
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  border-radius: var(--radius-md);
  font-size: 1.5rem;
}

.card-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.card-text {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* ===== Navigation ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--space-lg) 0;
  transition: all var(--transition-normal);
}

.navbar.scrolled {
  background: rgba(15, 15, 27, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: var(--space-md) 0;
  box-shadow: var(--shadow-md);
}

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

.navbar-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
}

.navbar-logo:hover {
  color: var(--text-primary);
}

.navbar-logo svg {
  width: 40px;
  height: 40px;
}

.navbar-menu {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  list-style: none;
}

.navbar-link {
  color: var(--text-secondary);
  font-weight: 500;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  position: relative;
}

.navbar-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: all var(--transition-normal);
  transform: translateX(-50%);
}

.navbar-link:hover,
.navbar-link.active {
  color: var(--text-primary);
}

.navbar-link:hover::after,
.navbar-link.active::after {
  width: 100%;
}

.navbar-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
  padding: var(--space-sm);
}

.navbar-toggle span {
  width: 28px;
  height: 2px;
  background: var(--text-primary);
  transition: all var(--transition-normal);
}

/* ===== Hero Section ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 100px;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
}

.hero-gradient {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.3;
}

.hero-gradient-1 {
  background: var(--color-primary);
  top: -200px;
  right: -200px;
}

.hero-gradient-2 {
  background: var(--color-accent);
  bottom: -200px;
  left: -200px;
}

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

.hero-text {
  max-width: 600px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: rgba(255, 107, 0, 0.1);
  border: 1px solid rgba(255, 107, 0, 0.3);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  color: var(--color-primary);
  margin-bottom: var(--space-lg);
}

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

.hero-title .highlight {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: 1.125rem;
  margin-bottom: var(--space-xl);
}

.hero-buttons {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: var(--space-2xl);
  margin-top: var(--space-3xl);
}

.hero-stat {
  text-align: left;
}

.hero-stat-value {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-primary);
}

.hero-stat-label {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-image {
  width: 100%;
  max-width: 500px;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
}

/* ===== Sections ===== */
.section {
  padding: var(--space-4xl) 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-3xl);
}

.section-badge {
  display: inline-block;
  padding: var(--space-xs) var(--space-md);
  background: rgba(255, 107, 0, 0.1);
  border: 1px solid rgba(255, 107, 0, 0.3);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}

.section-title {
  margin-bottom: var(--space-md);
}

.section-description {
  font-size: 1.1rem;
}

/* ===== Grid Layouts ===== */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
}

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

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

/* ===== Footer ===== */
.footer {
  background: var(--bg-surface);
  padding: var(--space-3xl) 0 var(--space-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-container {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-3xl);
}

.footer-brand {
  max-width: 300px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-md);
}

.footer-description {
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
}

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

.footer-social a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.footer-social a:hover {
  background: var(--color-primary);
  color: white;
}

.footer-column h4 {
  font-size: 1rem;
  margin-bottom: var(--space-lg);
  color: var(--text-primary);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-primary);
}

.footer-bottom {
  margin-top: var(--space-3xl);
  padding-top: var(--space-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* ===== Form Elements ===== */
.form-group {
  margin-bottom: var(--space-lg);
}

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

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(255, 107, 0, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-muted);
}

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

/* ===== Calculator Styles ===== */
.calculator-card {
  background: rgba(22, 33, 62, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
}

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

.calculator-result {
  background: linear-gradient(135deg, rgba(255, 107, 0, 0.1), rgba(244, 211, 94, 0.1));
  border: 1px solid rgba(255, 107, 0, 0.3);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  margin-top: var(--space-xl);
}

.result-value {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-primary);
}

.result-label {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.range-input {
  width: 100%;
  height: 8px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}

.range-input::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 24px;
  height: 24px;
  background: var(--color-primary);
  border-radius: 50%;
  cursor: pointer;
  box-shadow: var(--shadow-glow);
}

/* ===== Project Cards ===== */
.project-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.project-card img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.project-card:hover img {
  transform: scale(1.1);
}

.project-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-xl);
  background: linear-gradient(to top, rgba(0, 0, 0, 0.9), transparent);
}

.project-type {
  display: inline-block;
  padding: var(--space-xs) var(--space-md);
  background: var(--color-primary);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
}

.project-title {
  font-size: 1.25rem;
  margin-bottom: var(--space-xs);
}

.project-info {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

/* ===== Tabs ===== */
.tabs {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding-bottom: var(--space-md);
  flex-wrap: wrap;
}

.tab-btn {
  padding: var(--space-md) var(--space-xl);
  background: transparent;
  border: 2px solid transparent;
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.tab-btn:hover {
  color: var(--text-primary);
}

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

/* ===== Reveal Animations ===== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 {
  transition-delay: 0.1s;
}

.reveal-delay-2 {
  transition-delay: 0.2s;
}

.reveal-delay-3 {
  transition-delay: 0.3s;
}

.reveal-delay-4 {
  transition-delay: 0.4s;
}

/* ===== Utility Classes ===== */
.text-center {
  text-align: center;
}

.text-primary {
  color: var(--color-primary) !important;
}

.text-accent {
  color: var(--color-accent) !important;
}

.text-gradient {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.bg-surface {
  background: var(--bg-surface);
}

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

.mb-1 {
  margin-bottom: var(--space-md) !important;
}

.mb-2 {
  margin-bottom: var(--space-xl) !important;
}

.mb-3 {
  margin-bottom: var(--space-2xl) !important;
}

.mt-1 {
  margin-top: var(--space-md) !important;
}

.mt-2 {
  margin-top: var(--space-xl) !important;
}

.mt-3 {
  margin-top: var(--space-2xl) !important;
}

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

/* Large tablets and small desktops */
@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-text {
    max-width: 100%;
  }

  .hero-buttons {
    justify-content: center;
  }

  .hero-stats {
    justify-content: center;
  }

  .hero-visual {
    order: -1;
  }

  .hero-image {
    max-width: 400px;
  }

  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .contact-grid {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
  }

  .package-card.featured {
    transform: scale(1);
  }
}

/* Tablets */
@media (max-width: 768px) {
  .contact-grid {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
  }

  :root {
    --container-padding: 16px;
    --space-3xl: 48px;
    --space-4xl: 64px;
  }

  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.75rem;
  }

  h3 {
    font-size: 1.25rem;
  }

  .navbar-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(15, 15, 27, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    padding: var(--space-xl);
    gap: var(--space-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
  }

  .navbar-menu.active {
    display: flex;
  }

  .navbar-toggle {
    display: flex;
  }

  .navbar-menu .btn {
    width: 100%;
    text-align: center;
  }

  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 120px;
    padding-bottom: var(--space-3xl);
  }

  .hero-stats {
    flex-direction: column;
    gap: var(--space-lg);
    align-items: center;
  }

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

  .hero-stat-value {
    font-size: 2rem;
  }

  .hero-image {
    max-width: 100%;
  }

  .section {
    padding: var(--space-3xl) 0;
  }

  .footer-container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-brand {
    max-width: 100%;
  }

  .footer-social {
    justify-content: center;
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }

  .tabs {
    justify-content: center;
  }

  .tab-btn {
    padding: var(--space-sm) var(--space-md);
    font-size: 0.875rem;
  }

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

  .project-card img {
    height: 220px;
  }

  .calculator-card {
    padding: var(--space-lg);
  }

  .package-card {
    padding: var(--space-lg);
  }

  .package-price {
    font-size: 2.25rem;
  }

  .btn-lg {
    padding: var(--space-md) var(--space-xl);
    font-size: 1rem;
  }

  .card {
    padding: var(--space-lg);
  }

  .contact-info-card {
    flex-direction: column;
    text-align: left;
    align-items: flex-start;
  }

  .timeline {
    padding-left: var(--space-xl);
  }

  .timeline::before {
    left: 6px;
  }

  .timeline-item::before {
    left: calc(-1 * var(--space-xl) + 3px);
    width: 8px;
    height: 8px;
  }
}

/* Small phones */
@media (max-width: 480px) {
  :root {
    --container-padding: 12px;
    --space-xl: 24px;
    --space-2xl: 32px;
    --space-3xl: 40px;
    --space-4xl: 56px;
  }

  h1 {
    font-size: 1.75rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  h3 {
    font-size: 1.125rem;
  }

  .hero {
    padding-top: 100px;
  }

  .hero-badge {
    font-size: 0.75rem;
    padding: 6px 12px;
  }

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

  .hero-buttons {
    flex-direction: column;
    width: 100%;
  }

  .hero-buttons .btn {
    width: 100%;
  }

  .hero-stat-value {
    font-size: 1.75rem;
  }

  .hero-stat-label {
    font-size: 0.75rem;
  }

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

  .section-badge {
    font-size: 0.65rem;
  }

  .section-description {
    font-size: 0.95rem;
  }

  .card {
    padding: var(--space-md);
  }

  .card-icon {
    width: 48px;
    height: 48px;
    font-size: 1.25rem;
  }

  .card-title {
    font-size: 1.1rem;
  }

  .btn {
    padding: var(--space-sm) var(--space-lg);
    font-size: 0.9rem;
  }

  .btn-lg {
    padding: var(--space-md) var(--space-lg);
    font-size: 0.95rem;
  }

  .tabs {
    gap: var(--space-sm);
  }

  .tab-btn {
    padding: 8px 12px;
    font-size: 0.8rem;
  }

  .project-card img {
    height: 180px;
  }

  .package-name {
    font-size: 1.25rem;
  }

  .package-price {
    font-size: 1.75rem;
  }

  .package-features li {
    font-size: 0.9rem;
  }

  .calculator-card {
    padding: var(--space-md);
  }

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

  .calculator-header h3 {
    font-size: 1.1rem;
  }

  .form-input,
  .form-select,
  .form-textarea {
    padding: 12px 14px;
    font-size: 0.95rem;
  }

  .form-label {
    font-size: 0.9rem;
  }

  .result-value {
    font-size: 1.75rem;
  }

  .footer {
    padding: var(--space-2xl) 0 var(--space-lg);
  }

  .footer-logo {
    font-size: 1.25rem;
    justify-content: center;
  }

  .footer-description {
    font-size: 0.9rem;
  }

  .footer-column h4 {
    font-size: 0.95rem;
  }

  .footer-links a {
    font-size: 0.85rem;
  }

  .footer-bottom {
    font-size: 0.75rem;
  }

  .navbar-logo {
    font-size: 1.25rem;
  }

  .navbar-logo svg {
    width: 32px;
    height: 32px;
  }

  .contact-info-card {
    padding: var(--space-md);
  }

  .timeline-year {
    font-size: 1rem;
  }
}

/* Very small phones */
@media (max-width: 320px) {
  :root {
    --container-padding: 10px;
  }

  h1 {
    font-size: 1.5rem;
  }

  h2 {
    font-size: 1.25rem;
  }

  .hero-stat-value {
    font-size: 1.5rem;
  }

  .btn {
    padding: 10px 16px;
    font-size: 0.85rem;
  }

  .tab-btn {
    padding: 6px 10px;
    font-size: 0.75rem;
  }

  .package-price {
    font-size: 1.5rem;
  }

  .card-icon {
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }
}

/* ===== Page Specific Styles ===== */

/* Projects Page */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: var(--space-xl);
}

/* Sales Page */
.package-card {
  background: rgba(22, 33, 62, 0.6);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  position: relative;
  overflow: hidden;
  transition: all var(--transition-normal);
}

.package-card.featured {
  border-color: var(--color-primary);
  transform: scale(1.05);
}

.package-card.featured::before {
  content: 'Mais Popular';
  position: absolute;
  top: var(--space-lg);
  right: calc(-1 * var(--space-2xl));
  background: var(--color-primary);
  color: white;
  padding: var(--space-xs) var(--space-3xl);
  font-size: 0.75rem;
  font-weight: 600;
  transform: rotate(45deg);
}

.package-name {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
}

.package-price {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: var(--space-xl);
}

.package-price span {
  font-size: 1rem;
  color: var(--text-secondary);
}

.package-features {
  list-style: none;
  margin-bottom: var(--space-xl);
}

.package-features li {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-sm) 0;
  color: var(--text-secondary);
}

.package-features li svg {
  width: 20px;
  height: 20px;
  color: var(--color-primary);
}

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

.contact-info-card {
  display: flex;
  align-items: flex-start;
  gap: var(--space-lg);
  padding: var(--space-xl);
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-lg);
}

.contact-info-icon {
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  border-radius: var(--radius-md);
  flex-shrink: 0;
}

.contact-info-icon svg {
  width: 24px;
  height: 24px;
  color: white;
}

/* About Page */
.timeline {
  position: relative;
  padding-left: var(--space-3xl);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 10px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-primary), var(--color-accent));
}

.timeline-item {
  position: relative;
  padding-bottom: var(--space-2xl);
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: calc(-1 * var(--space-3xl) + 5px);
  top: 5px;
  width: 12px;
  height: 12px;
  background: var(--color-primary);
  border-radius: 50%;
  border: 3px solid var(--bg-dark);
}

.timeline-year {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

/* Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background: var(--bg-surface);
  border-radius: var(--radius-xl);
  max-width: 800px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.9);
  transition: transform var(--transition-normal);
}

.modal-overlay.active .modal-content {
  transform: scale(1);
}

.modal-header {
  padding: var(--space-xl);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: var(--space-sm);
  transition: color var(--transition-fast);
}

.modal-close:hover {
  color: var(--text-primary);
}

.modal-body {
  padding: var(--space-xl);
}

/* Particles Canvas */
#particles-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

/* Fix dropdown text color */
.form-select option {
  color: #000 !important;
  background-color: #fff !important;
}

/* Reinforced Mobile Styles */
@media (max-width: 768px) {
  .contact-grid {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
  }
}