/* ============================================
   ELIM CONSULTING - PROFESSIONAL CORPORATE SITE
   ============================================ */

/* CSS Variables - Design Tokens */
:root {
  /* Colors */
  --color-primary: #5b4b8a;
  --color-primary-light: #7b6ba8;
  --color-primary-dark: #3d2f5c;
  --color-accent: #ff8c42;
  --color-accent-light: #ffb380;
  --color-accent-dark: #e57325;

  --color-white: #ffffff;
  --color-bg: #f9f8fb;
  --color-bg-alt: #f0eeef;
  --color-text-dark: #1a1a1a;
  --color-text-light: #666666;
  --color-text-lighter: #999999;
  --color-border: #e0dfe3;

  /* Typography */
  --font-family: "Montserrat", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-size-base: 16px;
  --line-height-base: 1.1;
  --line-height-relaxed: 1.6;

  /* Spacing */
  --spacing-xs: 8px;
  --spacing-sm: 12px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;
  --spacing-3xl: 64px;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;

  /* Transitions */
  --transition-fast: 300ms ease-in-out;
  --transition-base: 400ms ease-in-out;
  --transition-slow: 500ms ease-in-out;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.12);
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  color: var(--color-text-dark);
  background-color: var(--color-white);
}

/* ============================================
   TYPOGRAPHY
   ============================================ */

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text-dark);
}

h1 {
  font-size: 3rem;
  margin-bottom: var(--spacing-lg);
}

h2 {
  font-size: 2.25rem;
  margin-bottom: var(--spacing-lg);
}

h3 {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-xs);
  text-align: center;
}

h4 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-md);
}

p {
  margin-bottom: var(--spacing-xs);
  color: var(--color-text-light);
  line-height: 1;
}

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

a:hover {
  color: var(--color-accent);
}

/* ============================================
   CONTAINER & LAYOUT
   ============================================ */

.container {
  max-width: 950px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.section {
  padding: var(--spacing-2xl) 0;
  text-align: justify;
}

.section-title {
  font-size: 2.25rem;
  margin-bottom: var(--spacing-lg);
  color: var(--color-primary);
  text-align: center;
}

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

.section-subtitle {
  text-align: center;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-2xl);
}

/* Grid System */
.grid {
  display: grid;
  gap: var(--spacing-2xl);
}

.grid--2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid--3 {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid--4 {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

@media (max-width: 768px) {
  .grid--2,
  .grid--3,
  .grid--4 {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  transition: box-shadow var(--transition-fast);
}

.header.scrolled {
  box-shadow: var(--shadow-md);
}

.header__container {
  max-width: 950px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
  transition: color var(--transition-fast);
}

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

.logo__icon {
  font-size: 1.5rem;
}

.logo__icon img {
  width: clamp(40px, 1.2vw, 18px);
  height: clamp(40px, 1.2vw, 18px);
}


.logo__text {
  display: none;
}

@media (min-width: 600px) {
  .logo__text {
    display: inline;
  }
}

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

.nav-link {
  position: relative;
  font-weight: 600;
  color: var(--color-text-light);
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition-fast);
}

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

.nav-link.active::after {
  width: 100%;
}

/* Hamburger Menu */
.header__burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.burger__line {
  width: 25px;
  height: 3px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

.header__burger.active .burger__line:nth-child(1) {
  transform: rotate(45deg) translate(10px, 10px);
}

.header__burger.active .burger__line:nth-child(2) {
  opacity: 0;
}

.header__burger.active .burger__line:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

@media (max-width: 768px) {
  .header__burger {
    display: flex;
  }

  .header__nav {
    display: none;
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--color-white);
    padding: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    gap: var(--spacing-md);
  }

  .header__nav.active {
    display: flex;
  }

  .nav-link {
    padding: var(--spacing-sm) 0;
  }

  .nav-link::after {
    display: none;
  }

  .nav-link.active {
    color: var(--color-accent);
  }

  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.5rem;
  }
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
  margin-top: 70px;
  background: linear-gradient(175deg, #4147df 0%, #27194f 100%);
  color: var(--color-white);
  padding: var(--spacing-3xl) 0;
  text-align: center;
}

.hero__content {
  max-width: 950px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.hero__title {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: var(--spacing-lg);
  line-height: 1.1;
}

.hero__word {
  display: inline-block;
  animation: slideUp 0.6s ease-out forwards;
}

.hero__word:nth-child(1) {
  animation-delay: 0s;
}
.hero__word:nth-child(2) {
  animation-delay: 0.1s;
}
.hero__word:nth-child(3) {
  animation-delay: 0.2s;
}
.hero__word:nth-child(4) {
  animation-delay: 0.3s;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero__subtitle {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-2xl);
  color: rgba(255, 255, 255, 0.9);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  animation: fadeIn 0.8s ease-out 0.4s both;
}

.hero__buttons {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeIn 0.8s ease-out 0.6s both;
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
  display: inline-block;
  padding: var(--spacing-md) var(--spacing-lg);
  border: 2px solid transparent;
  border-radius: var(--radius-lg);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-family: var(--font-family);
  text-decoration: none;
}

.btn--primary {
  background: var(--color-accent);
  color: var(--color-white);
}

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

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

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

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

.btn--light:hover {
  background: var(--color-accent-dark);
}

.btn--link {
  padding: 0;
  background: transparent;
  color: var(--color-accent);
  border: none;
  text-transform: none;
  letter-spacing: normal;
}

.btn--link:hover {
  color: var(--color-accent-dark);
}

/* ============================================
   CARDS & COMPONENTS
   ============================================ */

.service-card {
  background: var(--color-bg);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--color-accent);
  transition: all var(--transition-base);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  background: var(--color-white);
}

.service-card__icon {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-md);
  display: block;
}

.service-card h3 {
  margin-bottom: var(--spacing-md);
}

.why-card {
  background: var(--color-white);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
}

.why-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
}

.why-card__title {
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

/* ============================================
   PAGE HEADER
   ============================================ */

.page-header {
  margin-top: 70px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-white);
  padding: var(--spacing-3xl) 0;
  text-align: center;
}

.page-header h1 {
  margin-bottom: var(--spacing-md);
}

.page-header p {
  color: rgba(255, 255, 255, 0.9);
}

/* ============================================
   FORMS
   ============================================ */

.contact-form {
  background: var(--color-bg);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
}

.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-group label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-weight: 600;
  color: var(--color-text-dark);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-family);
  font-size: 1rem;
  transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(91, 75, 138, 0.1);
}

.form-note {
  font-size: 0.875rem;
  color: var(--color-text-lighter);
  margin-top: var(--spacing-md);
}

/* ============================================
   ANIMATIONS & SCROLL EFFECTS
   ============================================ */

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.fade-in {
  opacity: 0;
  animation: fadeIn var(--transition-base) ease-out forwards;
  animation-delay: var(--delay, 0s);
}

.fade-in-left {
  opacity: 0;
  animation: slideInLeft var(--transition-base) ease-out forwards;
}

.fade-in-right {
  opacity: 0;
  animation: slideInRight var(--transition-base) ease-out forwards;
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
  background: var(--color-text-dark);
  color: var(--color-white);
  padding: var(--spacing-lg) 0 var(--spacing-lg);
  margin-top: var(--spacing-xs);
}

.footer__section {
  margin-bottom: var(--spacing-xl);
}

.footer__section h4 {
  color: var(--color-accent);
  margin-bottom: var(--spacing-xs);
}

.footer__section p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.95rem;
}

.footer__links {
  list-style: none;
}

.footer__links li {
  margin-bottom: var(--spacing-sm);
}

.footer__links a {
  color: rgba(255, 255, 255, 0.8);
}

.footer__links a:hover {
  color: var(--color-accent);
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--spacing-lg);
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
}

/* ============================================
   SECTOR BADGES & STATS
   ============================================ */

.sector-badge {
  background: var(--color-white);
  border: 2px solid var(--color-primary);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: all var(--transition-base);
}

.sector-badge:hover {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

/* ============================================
   CTA BANNER
   ============================================ */

.cta-banner {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  color: var(--color-white);
  padding: var(--spacing-3xl) 0;
}

.cta-content {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.cta-content h2 {
  color: var(--color-white);
  margin-bottom: var(--spacing-lg);
}

.cta-content p {
  color: rgba(255, 255, 255, 0.95);
  margin-bottom: var(--spacing-xl);
}

/* ============================================
   PLACEHOLDER IMAGES
   ============================================ */

.placeholder-image {
  background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-bg-alt) 100%);
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-3xl) var(--spacing-lg);
  text-align: center;
  color: var(--color-text-lighter);
  min-height: 250px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
}

.placeholder-image--small {
  min-height: 150px;
}

/* ============================================
   TEAM & TESTIMONIALS
   ============================================ */

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

.team-member__photo {
  margin-bottom: var(--spacing-lg);
}

.team-member__role {
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

.team-member__bio {
  font-size: 0.95rem;
}

.testimonial-card {
  background: var(--color-bg);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--color-accent);
}

.testimonial-text {
  font-style: italic;
  margin-bottom: var(--spacing-md);
  color: var(--color-text-dark);
}

.testimonial-author {
  font-weight: 600;
  color: var(--color-primary);
  font-size: 0.9rem;
}

/* ============================================
   MISC COMPONENTS
   ============================================ */

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.stat {
  text-align: center;
}

.stat__number {
  font-size: 2rem;
  color: var(--color-accent);
  margin-bottom: var(--spacing-sm);
}

.stat__label {
  font-size: 0.9rem;
  color: var(--color-text-light);
}

.experience-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-2xl);
}

.stat-box {
  background: var(--color-white);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  text-align: center;
  border: 2px solid var(--color-border);
}

.stat-box__number {
  font-size: 2.5rem;
  color: var(--color-primary);
}

.stat-box__label {
  color: var(--color-text-light);
}

.social-icons {
  display: flex;
  gap: var(--spacing-md);
}

.social-icons a {
  width: 40px;
  height: 40px;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast);
}

.social-icons a:hover {
  background: var(--color-accent);
  color: var(--color-white);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

@media (max-width: 768px) {
  .container {
    padding: 0 var(--spacing-md);
  }

  .section {
    padding: var(--spacing-2xl) 0;
  }

  .hero__title {
    font-size: 2rem;
  }

  .hero__subtitle {
    font-size: 1rem;
  }

  .hero__buttons {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .section-title {
    font-size: 1.75rem;
  }

  .contact-form {
    padding: var(--spacing-lg);
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: 1.75rem;
  }

  h2 {
    font-size: 1.25rem;
  }

  h3 {
    font-size: 1.1rem;
  }

  .hero {
    padding: var(--spacing-2xl) 0;
  }

  .hero__title {
    font-size: 1.5rem;
  }

  .hero__subtitle {
    font-size: 0.95rem;
  }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

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

.mt-lg {
  margin-top: var(--spacing-lg);
}

.mb-lg {
  margin-bottom: var(--spacing-lg);
}

.hidden {
  display: none;
}