/* =============================================
   RaFo LP - Design System & Styles
   ============================================= */

/* === CSS Custom Properties === */
:root {
  /* Primary Colors */
  --primary: #0040a4;
  --primary-dark: #003080;
  --primary-container: #0056d6;
  --primary-light: #dae2ff;
  --primary-fixed: #b2c5ff;

  /* Accent */
  --accent: #5af8fb;
  --accent-dark: #00b8bb;

  /* Surface Colors */
  --surface: #f9f9fc;
  --surface-dim: #dadadc;
  --surface-container-low: #f3f3f6;
  --surface-container: #eeeef0;
  --surface-container-high: #e8e8ea;
  --surface-container-highest: #e2e2e5;
  --surface-container-lowest: #ffffff;

  /* Text Colors */
  --on-surface: #1a1c1e;
  --on-surface-variant: #424654;
  --on-primary: #ffffff;
  --secondary: #4e6073;
  --outline: #737686;
  --outline-variant: #c3c6d7;

  /* Semantic */
  --error: #ba1a1a;
  --success: #00875a;

  /* Typography */
  --font-headline: 'Space Grotesk', sans-serif;
  --font-body: 'Manrope', sans-serif;

  /* Spacing */
  --section-padding: 8rem 0;
  --container-max: 1200px;
  --container-padding: 0 1.5rem;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);
  --shadow-primary: 0 8px 24px rgba(0, 64, 164, 0.15);

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 50%;
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  color: var(--on-surface);
  background: var(--surface);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

ul, ol {
  list-style: none;
}

::selection {
  background: var(--primary-light);
  color: var(--primary);
}

/* === Typography === */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-headline);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

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

.section-title {
  font-size: 2.5rem;
  color: var(--on-surface);
  margin-bottom: 1rem;
}

.section-divider {
  width: 6rem;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--primary-container));
  border: none;
  border-radius: 2px;
  margin-bottom: 0;
}

/* === Material Symbols === */
.material-symbols-outlined {
  font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
  vertical-align: middle;
}

/* =============================================
   HEADER / NAVIGATION
   ============================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(249, 249, 252, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transition: all var(--transition-normal);
}

.site-header.scrolled {
  background: rgba(249, 249, 252, 0.95);
  border-bottom-color: var(--outline-variant);
  box-shadow: var(--shadow-sm);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 1rem 1.5rem;
}

.nav-brand {
  display: flex;
  align-items: center;
}

.nav-brand img {
  height: 42px;
  width: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links a {
  font-family: var(--font-headline);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--on-surface-variant);
  letter-spacing: -0.01em;
  position: relative;
  padding: 0.25rem 0;
}

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

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

.nav-links a:hover::after {
  width: 100%;
}

.nav-cta {
  font-family: var(--font-headline);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background: var(--primary);
  color: var(--on-primary);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-cta:hover {
  background: var(--primary-dark);
  box-shadow: var(--shadow-primary);
  transform: translateY(-1px);
}

/* Hamburger Menu */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 110;
  background: none;
  border: none;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--on-surface);
  border-radius: 2px;
  transition: all var(--transition-normal);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* =============================================
   HERO SECTION
   ============================================= */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--surface);
  padding: 6rem 0 4rem;
}

.hero-bg-symbol {
  position: absolute;
  right: -8%;
  top: 8%;
  width: 45%;
  opacity: 0.04;
  pointer-events: none;
  filter: grayscale(1);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
}

.hero-chip {
  display: inline-flex;
  align-items: center;
  padding: 0.4rem 1rem;
  background: var(--surface-container-low);
  color: var(--primary);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-radius: 50px;
  margin-bottom: 2rem;
}

.hero-chip::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: var(--radius-full);
  margin-right: 0.75rem;
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.5); }
}

.hero h1 {
  font-size: clamp(3rem, 7vw, 6rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 0.95;
  margin-bottom: 2rem;
}

.hero h1 .highlight {
  color: var(--primary-container);
}

.hero-description {
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  color: var(--on-surface-variant);
  font-weight: 300;
  line-height: 1.6;
  max-width: 600px;
  margin-bottom: 3rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-container) 100%);
  color: var(--on-primary);
  padding: 1rem 2rem;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-primary);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(0, 64, 164, 0.25);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--surface-container-highest);
  color: var(--on-surface);
  padding: 1rem 2rem;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  transition: all var(--transition-normal);
}

.btn-secondary:hover {
  background: var(--surface-container-high);
  transform: translateY(-2px);
}

/* Hero floating stats */
.hero-stats {
  display: flex;
  gap: 3rem;
  margin-top: 4rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--outline-variant);
}

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

.hero-stat .number {
  display: block;
  font-family: var(--font-headline);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 0.25rem;
}

.hero-stat .label {
  font-size: 0.8rem;
  color: var(--on-surface-variant);
  font-weight: 500;
  letter-spacing: 0.02em;
}

/* =============================================
   COMPETENCIES SECTION
   ============================================= */
.competencies {
  padding: var(--section-padding);
  background: var(--surface-container-low);
}

.competencies-header {
  margin-bottom: 4rem;
}

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

.competency-card {
  background: var(--surface-container-lowest);
  padding: 2.5rem;
  border-radius: var(--radius-xl);
  outline: 1px solid rgba(195, 198, 215, 0.15);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all var(--transition-slow);
  position: relative;
  overflow: hidden;
}

.competency-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0;
  transition: opacity var(--transition-normal);
}

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

.competency-card:hover::before {
  opacity: 1;
}

.competency-icon {
  font-size: 2.5rem;
  color: var(--primary);
  margin-bottom: 2rem;
}

.competency-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.competency-card p {
  color: var(--on-surface-variant);
  font-weight: 300;
  line-height: 1.7;
  margin-bottom: 2rem;
}

.competency-features {
  margin-bottom: 2.5rem;
}

.competency-features li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--secondary);
  margin-bottom: 0.75rem;
}

.competency-features li .material-symbols-outlined {
  font-size: 1rem;
  color: var(--success);
}

.competency-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: gap var(--transition-normal);
}

.competency-link:hover {
  gap: 1rem;
}

.competency-link .material-symbols-outlined {
  font-size: 1rem;
}

/* =============================================
   PROCESS SECTION
   ============================================= */
.process {
  padding: var(--section-padding);
  background: var(--surface);
}

.process-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6rem;
  align-items: center;
}

.process-image {
  position: relative;
}

.process-image::before {
  content: '';
  position: absolute;
  top: -3rem;
  left: -3rem;
  width: 16rem;
  height: 16rem;
  background: var(--primary);
  opacity: 0.04;
  border-radius: var(--radius-full);
  filter: blur(60px);
}

.process-image img {
  position: relative;
  z-index: 2;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  width: 100%;
  object-fit: cover;
  aspect-ratio: 4/3;
}

.process-content h2 {
  font-size: 2.5rem;
  margin-bottom: 3rem;
}

.process-steps {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.process-step {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
}

.step-number {
  flex-shrink: 0;
  width: 3rem;
  height: 3rem;
  background: var(--surface-container-high);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-headline);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--primary);
  transition: all var(--transition-normal);
}

.process-step:hover .step-number {
  background: var(--primary);
  color: var(--on-primary);
}

.step-content h4 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.step-content p {
  color: var(--on-surface-variant);
  line-height: 1.7;
  font-weight: 300;
}

/* =============================================
   TESTIMONIALS SECTION
   ============================================= */
.testimonials {
  padding: var(--section-padding);
  background: var(--surface-container-low);
}

.testimonials-header {
  text-align: center;
  margin-bottom: 4rem;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.testimonial-card {
  background: var(--surface-container-lowest);
  padding: 3rem;
  border-radius: var(--radius-xl);
  outline: 1px solid rgba(195, 198, 215, 0.15);
  position: relative;
  transition: all var(--transition-slow);
}

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

.testimonial-quote-mark {
  position: absolute;
  top: 1.5rem;
  left: 1.5rem;
  font-size: 4rem;
  font-family: Georgia, serif;
  color: var(--primary-container);
  opacity: 0.15;
  line-height: 1;
}

.testimonial-text {
  font-size: 1.25rem;
  font-weight: 300;
  font-style: italic;
  line-height: 1.7;
  color: var(--on-surface);
  margin-bottom: 2rem;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.testimonial-avatar {
  width: 3rem;
  height: 3rem;
  border-radius: var(--radius-full);
  background: var(--surface-dim);
  overflow: hidden;
  flex-shrink: 0;
}

.testimonial-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.testimonial-name {
  font-weight: 700;
  font-size: 0.9rem;
}

.testimonial-role {
  font-size: 0.75rem;
  color: var(--on-surface-variant);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* =============================================
   CONTACT FORM SECTION
   ============================================= */
.contact {
  padding: var(--section-padding);
  background: var(--surface);
  position: relative;
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.contact-info h2 {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
}

.contact-info > p {
  color: var(--on-surface-variant);
  font-size: 1.1rem;
  font-weight: 300;
  line-height: 1.7;
  margin-bottom: 2.5rem;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-detail {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.contact-detail-icon {
  width: 3rem;
  height: 3rem;
  background: var(--primary-light);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-detail-icon .material-symbols-outlined {
  color: var(--primary);
  font-size: 1.25rem;
}

.contact-detail-text strong {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.15rem;
}

.contact-detail-text span {
  font-size: 0.9rem;
  color: var(--on-surface-variant);
}

/* Form Styles */
.contact-form-card {
  background: var(--surface-container-lowest);
  padding: 2.5rem;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  outline: 1px solid rgba(195, 198, 215, 0.15);
}

.contact-form-card h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.contact-form-card > p {
  font-size: 0.9rem;
  color: var(--on-surface-variant);
  margin-bottom: 2rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--on-surface);
  margin-bottom: 0.4rem;
  letter-spacing: 0.02em;
}

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

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--on-surface);
  background: var(--surface);
  transition: all var(--transition-fast);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 64, 164, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--outline);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-group input.error,
.form-group textarea.error {
  border-color: var(--error);
  box-shadow: 0 0 0 3px rgba(186, 26, 26, 0.1);
}

.form-error-msg {
  font-size: 0.75rem;
  color: var(--error);
  margin-top: 0.25rem;
  display: none;
}

.form-group.has-error .form-error-msg {
  display: block;
}

.btn-submit {
  width: 100%;
  padding: 1rem 2rem;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-container) 100%);
  color: var(--on-primary);
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all var(--transition-normal);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  position: relative;
  overflow: hidden;
}

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

.btn-submit:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

.btn-submit .spinner {
  display: none;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-full);
  border-top-color: var(--on-primary);
  animation: spin 0.8s linear infinite;
}

.btn-submit.loading .spinner {
  display: inline-block;
}

.btn-submit.loading .btn-text {
  display: none;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Form feedback message */
.form-feedback {
  margin-top: 1rem;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 500;
  display: none;
}

.form-feedback.success {
  display: block;
  background: #e8f5e9;
  color: #2e7d32;
  border: 1px solid #a5d6a7;
}

.form-feedback.error {
  display: block;
  background: #ffeef0;
  color: #ba1a1a;
  border: 1px solid #ffcdd2;
}

/* =============================================
   CTA SECTION
   ============================================= */
.cta {
  padding: 6rem 1.5rem;
}

.cta-card {
  max-width: var(--container-max);
  margin: 0 auto;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-container) 100%);
  border-radius: var(--radius-xl);
  padding: 5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-card::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 60%;
  height: 200%;
  background: radial-gradient(ellipse, rgba(90, 248, 251, 0.1) 0%, transparent 70%);
  pointer-events: none;
}

.cta-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
  margin: 0 auto;
}

.cta-content h2 {
  font-size: clamp(2rem, 4vw, 3.5rem);
  color: var(--on-primary);
  margin-bottom: 1.5rem;
  letter-spacing: -0.03em;
}

.cta-content p {
  font-size: 1.25rem;
  color: var(--primary-fixed);
  font-weight: 300;
  margin-bottom: 2.5rem;
}

.btn-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--surface-container-lowest);
  color: var(--primary);
  padding: 1.15rem 2.5rem;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-xl);
}

.btn-cta:hover {
  background: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.2);
}

/* =============================================
   FOOTER
   ============================================= */
.site-footer {
  background: var(--surface-container-low);
  border-top: 1px solid var(--outline-variant);
  padding: 3rem 0;
}

.footer-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--container-padding);
}

.footer-brand {
  text-align: left;
}

.footer-brand img {
  height: 36px;
  width: auto;
  margin-bottom: 0.75rem;
}

.footer-brand p {
  font-size: 0.85rem;
  color: var(--on-surface-variant);
}

.footer-links {
  display: flex;
  gap: 2rem;
}

.footer-links a {
  font-size: 0.85rem;
  color: var(--on-surface-variant);
  transition: color var(--transition-fast);
}

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

/* =============================================
   SCROLL ANIMATIONS
   ============================================= */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* staggered cards */
.competency-card.fade-up:nth-child(2) { transition-delay: 0.15s; }
.competency-card.fade-up:nth-child(3) { transition-delay: 0.3s; }

.testimonial-card.fade-up:nth-child(2) { transition-delay: 0.15s; }

.process-step.fade-up:nth-child(2) { transition-delay: 0.15s; }
.process-step.fade-up:nth-child(3) { transition-delay: 0.3s; }

/* =============================================
   MOBILE MENU OVERLAY
   ============================================= */
.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: rgba(249, 249, 252, 0.98);
  backdrop-filter: blur(20px);
  z-index: 99;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.mobile-menu.open {
  display: flex;
  opacity: 1;
  pointer-events: all;
}

.mobile-menu a {
  font-family: var(--font-headline);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--on-surface);
  transition: color var(--transition-fast);
}

.mobile-menu a:hover {
  color: var(--primary);
}

.mobile-menu .nav-cta {
  margin-top: 1rem;
  font-size: 0.9rem;
  padding: 1rem 2rem;
}

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

/* Tablet (max 1024px) */
@media (max-width: 1024px) {
  :root {
    --section-padding: 5rem 0;
  }

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

  .process-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .process-image {
    order: -1;
  }

  .contact-wrapper {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .cta-card {
    padding: 3.5rem 2.5rem;
  }

  .hero-stats {
    gap: 2rem;
  }
}

/* Mobile Large (max 768px) */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .nav-cta.desktop-only {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .hero {
    min-height: auto;
    padding: 4rem 0 3rem;
  }

  .hero h1 {
    font-size: 2.75rem;
  }

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

  .hero-bg-symbol {
    width: 70%;
    opacity: 0.03;
  }

  .hero-stats {
    flex-direction: column;
    gap: 1.5rem;
  }

  .hero-stat {
    display: flex;
    align-items: baseline;
    gap: 0.75rem;
  }

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

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

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

  .section-title {
    font-size: 2rem;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .footer-container {
    flex-direction: column;
    text-align: center;
    gap: 2rem;
  }

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

  .footer-brand img {
    margin: 0 auto 0.75rem;
  }

  .footer-links {
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem 2rem;
  }
}

/* Mobile Small (max 480px) */
@media (max-width: 480px) {
  .hero h1 {
    font-size: 2.25rem;
  }

  .hero-actions {
    flex-direction: column;
  }

  .btn-primary,
  .btn-secondary {
    width: 100%;
    justify-content: center;
  }

  .competency-card {
    padding: 2rem;
  }

  .testimonial-card {
    padding: 2rem;
  }

  .testimonial-text {
    font-size: 1.05rem;
  }

  .contact-form-card {
    padding: 1.75rem;
  }

  .cta-card {
    padding: 2.5rem 1.5rem;
  }

  .process-content h2 {
    font-size: 2rem;
  }
}