/* ========================================
   🎨 CSS VARIABLES & RESET
   ======================================== */
:root {
  /* Colors */
  --color-primary: #4361ee;
  --color-primary-dark: #3a56d4;
  --color-primary-light: #eef2ff;
  --color-secondary: #7209b7;
  --color-accent: #4cc9f0;
  
  --color-text: #1e293b;
  --color-text-light: #64748b;
  --color-text-inverse: #f8fafc;
  
  --color-bg: #ffffff;
  --color-bg-alt: #f8fafc;
  --color-bg-soft: #f1f5f9;
  
  --color-border: #e2e8f0;
  --color-border-focus: #4361ee;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #4361ee, #3a0ca3);
  --gradient-soft: linear-gradient(135deg, #f0f4ff, #f9f7ff);
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  
  /* Typography */
  --font-family: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  
  --font-light: 300;
  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;
  --font-extrabold: 800;
  
  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  
  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 300ms ease;
  --transition-slow: 500ms ease;
  
  /* Layout */
  --container-max: 1200px;
  --header-height: 72px;
}

/* Dark mode support (optional) */
@media (prefers-color-scheme: dark) {
  :root {
    --color-text: #f1f5f9;
    --color-text-light: #94a3b8;
    --color-bg: #0f172a;
    --color-bg-alt: #1e293b;
    --color-bg-soft: #334155;
    --color-border: #334155;
    --color-primary-light: #1e293b;
  }
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  font-family: var(--font-family);
  font-size: var(--text-base);
  font-weight: var(--font-normal);
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

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

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

/* ========================================
   🧱 UTILITIES
   ======================================== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

.section {
  padding-block: var(--space-20);
}

.section__header {
  text-align: center;
  max-width: 65ch;
  margin-inline: auto;
  margin-bottom: var(--space-16);
}

.section__tag {
  display: inline-block;
  padding: var(--space-2) var(--space-4);
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
}

.section__tag--light {
  background: rgba(255, 255, 255, 0.2);
  color: var(--color-text-inverse);
}

.section__title {
  font-size: var(--text-3xl);
  font-weight: var(--font-extrabold);
  line-height: 1.2;
  margin-bottom: var(--space-4);
  letter-spacing: -0.025em;
}

.section__description {
  font-size: var(--text-lg);
  color: var(--color-text-light);
  max-width: 60ch;
  margin-inline: auto;
}

.highlight {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

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

.fade-in.delay { transition-delay: 100ms; }
.fade-in.delay-2 { transition-delay: 200ms; }

/* Skip link */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-primary);
  color: white;
  padding: var(--space-3) var(--space-6);
  z-index: 1000;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 0;
}

/* ========================================
   🔘 BUTTONS
   ======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-weight: var(--font-semibold);
  border-radius: var(--radius-lg);
  transition: all var(--transition-normal);
  white-space: nowrap;
}

.btn--primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: var(--shadow-md);
}

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

.btn--primary:active {
  transform: translateY(0);
}

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

.btn--secondary:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
}

.btn--large {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-lg);
}

.btn--full {
  width: 100%;
  justify-content: center;
}

/* ========================================
   🧭 HEADER
   ======================================== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  height: var(--header-height);
  display: flex;
  align-items: center;
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: var(--font-bold);
  font-size: var(--text-xl);
}

.logo__icon {
  font-size: 1.5rem;
}

.logo--light {
  color: var(--color-text-inverse);
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav__list {
  display: flex;
  gap: var(--space-6);
}

.nav__link {
  font-weight: var(--font-medium);
  color: var(--color-text-light);
  position: relative;
  padding: var(--space-2) 0;
}

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

.nav__link:hover,
.nav__link:focus {
  color: var(--color-text);
}

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

.nav__toggle {
  display: none;
  font-size: 1.5rem;
  color: var(--color-text);
  padding: var(--space-2);
}

.header__cta {
  display: none;
}

/* ========================================
   🦸 HERO SECTION
   ======================================== */
.hero {
  position: relative;
  padding-block: var(--space-24);
  overflow: hidden;
  background: var(--gradient-soft);
}

.hero__inner {
  display: grid;
  gap: var(--space-16);
  align-items: center;
}

.hero__content {
  max-width: 60ch;
}

.hero__title {
  font-size: var(--text-4xl);
  font-weight: var(--font-extrabold);
  line-height: 1.1;
  margin-bottom: var(--space-6);
  letter-spacing: -0.03em;
}

.hero__subtitle {
  font-size: var(--text-xl);
  color: var(--color-text-light);
  margin-bottom: var(--space-8);
  max-width: 55ch;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-12);
}

.hero__trust {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-6);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-light);
}

.trust-item i {
  color: var(--color-primary);
  width: 1.25rem;
  height: 1.25rem;
}

.hero__image {
  display: flex;
  justify-content: center;
}

.image-wrapper {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  max-width: 450px;
  width: 100%;
}

.image-wrapper img {
  width: 100%;
  height: auto;
  aspect-ratio: 4/5;
  object-fit: cover;
}

.image-badge {
  position: absolute;
  bottom: var(--space-4);
  left: var(--space-4);
  right: var(--space-4);
  background: rgba(255, 255, 255, 0.95);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  box-shadow: var(--shadow-md);
}

.image-badge i {
  color: var(--color-primary);
  width: 1rem;
  height: 1rem;
}

.hero__shape {
  position: absolute;
  bottom: -100px;
  right: -100px;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--color-primary-light) 0%, transparent 70%);
  opacity: 0.5;
  pointer-events: none;
  z-index: -1;
}

/* ========================================
   🧩 SERVICES SECTION
   ======================================== */
.services__grid {
  display: grid;
  gap: var(--space-8);
}

.service-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-normal);
}

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

.service-card:hover::before {
  transform: scaleX(1);
}

.service-card__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  background: var(--color-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
  color: var(--color-primary);
}

.service-card__icon i {
  width: 28px;
  height: 28px;
}

.service-card__title {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  margin-bottom: var(--space-3);
}

.service-card__text {
  color: var(--color-text-light);
  margin-bottom: var(--space-5);
}

.service-card__list {
  margin-bottom: var(--space-6);
}

.service-card__list li {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-light);
  margin-bottom: var(--space-2);
}

.service-card__list i {
  color: var(--color-primary);
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
}

.service-card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-weight: var(--font-semibold);
  color: var(--color-primary);
  transition: gap var(--transition-fast);
}

.service-card__link:hover {
  gap: var(--space-3);
}

.service-card__link i {
  width: 1rem;
  height: 1rem;
  transition: transform var(--transition-fast);
}

.service-card__link:hover i {
  transform: translateX(4px);
}

/* ========================================
   👤 ABOUT SECTION
   ======================================== */
.about__inner {
  display: grid;
  gap: var(--space-16);
  align-items: center;
}

.about__image {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.about__image img {
  width: 100%;
  height: auto;
  aspect-ratio: 4/5;
  object-fit: cover;
}

.about__stats {
  position: absolute;
  bottom: var(--space-6);
  left: var(--space-6);
  right: var(--space-6);
  background: rgba(255, 255, 255, 0.95);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  backdrop-filter: blur(10px);
}

.stat {
  text-align: center;
}

.stat__number {
  display: block;
  font-size: var(--text-2xl);
  font-weight: var(--font-extrabold);
  color: var(--color-primary);
  line-height: 1;
}

.stat__label {
  font-size: var(--text-sm);
  color: var(--color-text-light);
}

.about__content {
  max-width: 60ch;
}

.about__text {
  margin-bottom: var(--space-6);
  color: var(--color-text-light);
}

.about__credentials {
  margin-bottom: var(--space-8);
}

.about__credentials li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  font-size: var(--text-base);
}

.about__credentials i {
  color: var(--color-primary);
  width: 1.25rem;
  height: 1.25rem;
  flex-shrink: 0;
  margin-top: 0.125rem;
}

/* ========================================
   💬 REVIEWS SECTION
   ======================================== */
.reviews__grid {
  display: grid;
  gap: var(--space-8);
}

.review-card {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.review-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.review-card__header {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
}

.review-card__avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: var(--gradient-primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--font-bold);
  font-size: var(--text-lg);
  flex-shrink: 0;
}

.review-card__author {
  font-weight: var(--font-semibold);
  font-style: normal;
  display: block;
}

.review-card__meta {
  font-size: var(--text-sm);
  color: var(--color-text-light);
}

.review-card__text {
  margin-bottom: var(--space-5);
  font-style: italic;
  color: var(--color-text-light);
  position: relative;
  padding-left: var(--space-4);
}

.review-card__text::before {
  content: '"';
  position: absolute;
  left: 0;
  top: -0.25em;
  font-size: 2em;
  color: var(--color-primary);
  opacity: 0.3;
  line-height: 1;
}

.review-card__rating {
  display: flex;
  gap: var(--space-1);
  color: #f59e0b;
}

.review-card__rating i {
  width: 1.25rem;
  height: 1.25rem;
}

/* ========================================
   📣 CTA SECTION
   ======================================== */
.cta {
  background: var(--gradient-primary);
  color: var(--color-text-inverse);
  position: relative;
  overflow: hidden;
}

.cta::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,0.15) 0%, transparent 70%);
  pointer-events: none;
}

.cta__inner {
  display: grid;
  gap: var(--space-16);
  align-items: center;
}

.cta__content {
  max-width: 60ch;
}

.cta__title {
  font-size: var(--text-4xl);
  font-weight: var(--font-extrabold);
  line-height: 1.1;
  margin-bottom: var(--space-4);
}

.cta__text {
  font-size: var(--text-lg);
  opacity: 0.95;
  margin-bottom: var(--space-8);
  max-width: 55ch;
}

.cta__form {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
}

.form__group {
  margin-bottom: var(--space-5);
}

.form__label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  margin-bottom: var(--space-2);
  opacity: 0.9;
}

.form__input {
  width: 100%;
  padding: var(--space-4);
  background: rgba(255, 255, 255, 0.95);
  border: 2px solid transparent;
  border-radius: var(--radius-lg);
  font-size: var(--text-base);
  color: var(--color-text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form__input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.2);
}

.form__input::placeholder {
  color: var(--color-text-light);
}

.form__textarea {
  min-height: 100px;
  resize: vertical;
}

.form__note {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  opacity: 0.85;
  margin-top: var(--space-4);
  justify-content: center;
}

.form__note i {
  width: 1rem;
  height: 1rem;
}

.cta__image {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.cta__image img {
  width: 100%;
  height: auto;
  aspect-ratio: 4/5;
  object-fit: cover;
}

/* ========================================
   🦶 FOOTER
   ======================================== */
.footer {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
}

.footer__inner {
  display: grid;
  gap: var(--space-12);
  padding-block: var(--space-16);
}

.footer__brand {
  max-width: 320px;
}

.footer__desc {
  color: var(--color-text-light);
  margin: var(--space-4) 0 var(--space-6);
}

.footer__social {
  display: flex;
  gap: var(--space-3);
}

.social-link {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text);
  transition: all var(--transition-fast);
}

.social-link:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
  transform: translateY(-2px);
}

.social-link i {
  width: 1.125rem;
  height: 1.125rem;
}

.footer__nav-title {
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-4);
}

.footer__nav-list,
.footer__info-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__nav-list a,
.footer__info-list li {
  color: var(--color-text-light);
  transition: color var(--transition-fast);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.footer__nav-list a:hover,
.footer__info-list li:hover {
  color: var(--color-text);
}

.footer__info-list i {
  width: 1rem;
  height: 1rem;
  color: var(--color-primary);
  flex-shrink: 0;
}

.footer__bottom {
  border-top: 1px solid var(--color-border);
  padding-block: var(--space-6);
}

.footer__bottom .container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
}

.footer__bottom p {
  color: var(--color-text-light);
  font-size: var(--text-sm);
}

.footer__legal {
  display: flex;
  gap: var(--space-6);
}

.footer__legal a {
  color: var(--color-text-light);
  font-size: var(--text-sm);
  transition: color var(--transition-fast);
}

.footer__legal a:hover {
  color: var(--color-text);
}

/* ========================================
   📱 RESPONSIVE DESIGN
   ======================================== */
@media (min-width: 640px) {
  .section__title {
    font-size: var(--text-4xl);
  }
  
  .hero__title {
    font-size: var(--text-5xl);
  }
  
  .services__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .cta__inner {
    grid-template-columns: 1fr 1fr;
  }
  
  .cta__image {
    order: -1;
  }
}

@media (min-width: 768px) {
  .header__cta {
    display: inline-flex;
  }
  
  .nav__toggle {
    display: none;
  }
  
  .hero__inner {
    grid-template-columns: 1fr 1fr;
  }
  
  .about__inner {
    grid-template-columns: 1fr 1fr;
  }
  
  .footer__inner {
    grid-template-columns: 2fr 1fr 1fr;
  }
}

@media (min-width: 1024px) {
  .services__grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .reviews__grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .hero__trust {
    gap: var(--space-10);
  }
  
  .trust-item {
    font-size: var(--text-base);
  }
}

/* Mobile menu */
@media (max-width: 767px) {
  .nav__list {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-bg);
    flex-direction: column;
    padding: var(--space-6);
    gap: var(--space-4);
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-150%);
    transition: transform var(--transition-normal);
    z-index: 99;
  }
  
  .nav__list.active {
    transform: translateY(0);
  }
  
  .nav__toggle {
    display: flex;
  }
  
  .hero__actions {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .btn--large {
    width: 100%;
    justify-content: center;
  }
}

/* Focus styles for accessibility */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Reduce motion preference */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  html {
    scroll-behavior: auto;
  }
}