/* ================================================
   EchoLead Consulting – Stylesheet
   ================================================ */

/* ---------- CSS Custom Properties ---------- */
:root {
  --navy:       #0B1D3A;
  --teal:       #2A7A8C;
  --teal-light: #3a9ab0;
  --teal-dark:  #1e5f6e;
  --slate-bg:   #F3F5F8;
  --white:      #FFFFFF;
  --charcoal:   #2D3748;
  --muted:      #64748B;
  --border:     #E2E8F0;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'DM Sans', sans-serif;
  color: var(--charcoal);
  background: var(--white);
  overflow-x: hidden;
}

h1, h2, h3 {
  font-family: 'DM Serif Display', serif;
}

/* ================================================
   ANIMATIONS
   ================================================ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes ripple {
  0%   { transform: scale(0.8); opacity: 0.6; }
  100% { transform: scale(2.2); opacity: 0; }
}

@keyframes navSlide {
  from { opacity: 0; transform: translateY(-10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Hero entrance animations */
.fade-up           { animation: fadeUp 0.75s ease both; }
.fade-up.delay-1   { animation-delay: 0.15s; }
.fade-up.delay-2   { animation-delay: 0.30s; }
.fade-up.delay-3   { animation-delay: 0.45s; }
.fade-up.delay-4   { animation-delay: 0.60s; }

/* Scroll-reveal utility */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.reveal.visible    { opacity: 1; transform: translateY(0); }
.reveal.delay-1    { transition-delay: 0.10s; }
.reveal.delay-2    { transition-delay: 0.20s; }
.reveal.delay-3    { transition-delay: 0.30s; }
.reveal.delay-4    { transition-delay: 0.40s; }
.reveal.delay-5    { transition-delay: 0.50s; }
.reveal.delay-6    { transition-delay: 0.60s; }

/* ================================================
   NAVIGATION
   ================================================ */
nav {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 100;
  background: rgba(11, 29, 58, 0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  animation: navSlide 0.5s ease both;
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo img {
  height: 38px;
  width: auto;
  filter: brightness(0) invert(1);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  color: rgba(255, 255, 255, 0.75);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  transition: color 0.2s;
}

.nav-links a:hover {
  color: #fff;
}

.nav-cta {
  background: var(--teal) !important;
  color: #fff !important;
  padding: 0.55rem 1.4rem;
  border-radius: 6px;
  font-weight: 600 !important;
  letter-spacing: 0.02em !important;
  transition: background 0.2s, transform 0.15s !important;
}

.nav-cta:hover {
  background: var(--teal-light) !important;
  transform: translateY(-1px);
}

/* Mobile hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
}

.hamburger span {
  width: 24px;
  height: 2px;
  background: rgba(255, 255, 255, 0.8);
  border-radius: 2px;
  transition: all 0.3s;
  display: block;
}

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

  .nav-links {
    display: none;
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    background: rgba(11, 29, 58, 0.98);
    flex-direction: column;
    padding: 1.5rem 2rem;
    gap: 1.25rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
  }

  .nav-links.open { display: flex; }
}

/* ================================================
   HERO SECTION
   ================================================ */
.hero {
  min-height: 100vh;
  background: var(--navy);
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
}

/* Subtle grid texture overlay */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(42, 122, 140, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(42, 122, 140, 0.05) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

/* Ripple rings (Echo visual) */
.ripple-container {
  position: absolute;
  right: -5%;
  top: 50%;
  transform: translateY(-50%);
  width: 700px;
  height: 700px;
  pointer-events: none;
}

.ripple-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1.5px solid rgba(42, 122, 140, 0.35);
  animation: ripple 4s ease-out infinite;
}

.ripple-ring:nth-child(2) { animation-delay: 1.3s; }
.ripple-ring:nth-child(3) { animation-delay: 2.6s; }

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  padding-top: 90px;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: rgba(42, 122, 140, 0.15);
  border: 1px solid rgba(42, 122, 140, 0.4);
  color: var(--teal-light);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.4rem 1rem;
  border-radius: 100px;
  margin-bottom: 1.75rem;
}

.hero-eyebrow::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--teal-light);
  border-radius: 50%;
}

h1.hero-headline {
  font-size: clamp(2.5rem, 5.5vw, 4.5rem);
  font-weight: 400;
  line-height: 1.08;
  color: #fff;
  max-width: 700px;
  margin-bottom: 1.5rem;
}

h1.hero-headline em {
  font-style: italic;
  color: var(--teal-light);
}

.hero-sub {
  font-size: 1.1rem;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.65);
  max-width: 540px;
  margin-bottom: 2.5rem;
  font-weight: 300;
}

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

/* ================================================
   BUTTONS
   ================================================ */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--teal);
  color: #fff;
  padding: 0.85rem 1.9rem;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
  box-shadow: 0 4px 16px rgba(42, 122, 140, 0.3);
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  background: var(--teal-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(42, 122, 140, 0.4);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: transparent;
  color: rgba(255, 255, 255, 0.8);
  padding: 0.85rem 1.9rem;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}

.btn-secondary:hover {
  border-color: rgba(255, 255, 255, 0.5);
  color: #fff;
  background: rgba(255, 255, 255, 0.05);
}

.btn-arrow { font-size: 1.1rem; }

/* ================================================
   SECTION DEFAULTS
   ================================================ */
section {
  padding: 100px 2rem;
}

.section-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.section-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 1rem;
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 400;
  color: var(--navy);
  line-height: 1.15;
  margin-bottom: 1.25rem;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--muted);
  line-height: 1.8;
  max-width: 560px;
}

/* ================================================
   PHILOSOPHY SECTION
   ================================================ */
#philosophie {
  background: var(--slate-bg);
}

.philosophy-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  margin-top: 4rem;
  border-radius: 16px;
  overflow: hidden;
}

.philosophy-card {
  padding: 3rem 2.5rem;
  position: relative;
  overflow: hidden;
}

.philosophy-card.lead {
  background: var(--navy);
  color: #fff;
}

.philosophy-card.echo {
  background: var(--teal);
  color: #fff;
}

.philo-word {
  font-family: 'DM Serif Display', serif;
  font-size: 5rem;
  font-weight: 400;
  opacity: 0.12;
  position: absolute;
  bottom: -0.5rem;
  right: 1.5rem;
  line-height: 1;
  pointer-events: none;
  letter-spacing: -0.02em;
}

.philo-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  font-size: 1.5rem;
}

.lead .philo-icon { background: rgba(255, 255, 255, 0.10); }
.echo .philo-icon { background: rgba(255, 255, 255, 0.15); }

.philo-tag {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.6;
  margin-bottom: 0.75rem;
}

.philo-title {
  font-family: 'DM Serif Display', serif;
  font-size: 1.75rem;
  font-weight: 400;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.philo-text {
  font-size: 0.97rem;
  line-height: 1.8;
  opacity: 0.82;
  font-weight: 300;
  max-width: 400px;
}

@media (max-width: 768px) {
  .philosophy-grid { grid-template-columns: 1fr; }
}

/* ================================================
   SERVICES SECTION
   ================================================ */
#leistungen {
  background: var(--white);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 3.5rem;
}

@media (max-width: 900px) {
  .services-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 560px) {
  .services-grid { grid-template-columns: 1fr; }
}

.service-card {
  background: var(--slate-bg);
  border-radius: 14px;
  padding: 2.25rem 2rem;
  border: 1px solid var(--border);
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
  position: relative;
  overflow: hidden;
}

.service-card:hover {
  border-color: var(--teal);
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(42, 122, 140, 0.1);
}

/* Left accent bar on hover */
.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 0;
  background: var(--teal);
  transition: height 0.3s ease;
}

.service-card:hover::before {
  height: 100%;
}

.service-icon {
  width: 48px;
  height: 48px;
  background: rgba(42, 122, 140, 0.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 1.25rem;
}

.service-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 0.75rem;
}

.service-desc {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.75;
}

/* ================================================
   ABOUT / FOUNDER SECTION
   ================================================ */
#ueber-uns {
  background: var(--slate-bg);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 5rem;
  align-items: center;
  margin-top: 3rem;
}

@media (max-width: 768px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}

.portrait-wrapper {
  position: relative;
}

.portrait-bg {
  position: absolute;
  inset: -12px;
  background: var(--teal);
  border-radius: 18px;
  opacity: 0.12;
  z-index: 0;
}

.portrait-frame {
  position: relative;
  z-index: 1;
  background: var(--border);
  border-radius: 14px;
  overflow: hidden;
  aspect-ratio: 4 / 5;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
}

.portrait-placeholder-icon {
  width: 64px;
  height: 64px;
  background: #d1d9e6;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
}

.about-eyebrow {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 0.75rem;
}

.about-name {
  font-family: 'DM Serif Display', serif;
  font-size: 2.2rem;
  font-weight: 400;
  color: var(--navy);
  margin-bottom: 0.25rem;
}

.about-role {
  font-size: 0.9rem;
  color: var(--teal);
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-bottom: 1.75rem;
}

.about-bio {
  font-size: 1rem;
  color: var(--muted);
  line-height: 1.85;
  margin-bottom: 1.75rem;
  font-weight: 300;
}

.about-stats {
  display: flex;
  gap: 2.5rem;
  flex-wrap: wrap;
  align-items: flex-start;
}

.stat-number {
  font-family: 'DM Serif Display', serif;
  font-size: 2.25rem;
  font-weight: 400;
  color: var(--navy);
  line-height: 1;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: 0.25rem;
}

.stat-divider {
  width: 1px;
  background: var(--border);
  align-self: stretch;
}

/* ================================================
   BOOKING / CTA SECTION
   ================================================ */
#termin {
  background: var(--navy);
  position: relative;
  overflow: hidden;
}

#termin::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(42, 122, 140, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(42, 122, 140, 0.06) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
}

.booking-inner {
  position: relative;
  z-index: 2;
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.booking-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(42, 122, 140, 0.2);
  border: 1px solid rgba(42, 122, 140, 0.4);
  color: var(--teal-light);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.4rem 1rem;
  border-radius: 100px;
  margin-bottom: 2rem;
}

.booking-title {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 400;
  color: #fff;
  margin-bottom: 1.25rem;
  line-height: 1.1;
}

.booking-desc {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.8;
  font-weight: 300;
  max-width: 560px;
  margin: 0 auto 2.5rem;
}

.calendly-placeholder {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 16px;
  padding: 3.5rem 2rem;
  margin-top: 2rem;
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.9rem;
}

.calendly-placeholder svg {
  width: 40px;
  height: 40px;
  margin: 0 auto 1rem;
  display: block;
  opacity: 0.3;
}

/* ================================================
   KONTAKT FORMULAR
   ================================================ */
.contact-form-wrapper {
  max-width: 600px;
  margin: 3rem auto 0;
  background: var(--white);
  padding: 3rem;
  border-radius: 16px;
  border: 1px solid var(--border);
  box-shadow: 0 12px 32px rgba(42, 122, 140, 0.05);
}

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

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--navy);
  text-align: left;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: inherit;
  font-size: 1rem;
  color: var(--charcoal);
  background: var(--slate-bg);
  transition: border-color 0.2s, background 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--teal);
  background: var(--white);
}

@media (max-width: 768px) {
  .contact-form-wrapper { padding: 2rem 1.5rem; }
}

/* ================================================
   FOOTER
   ================================================ */
footer {
  background: #060f1e;
  padding: 3rem 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.footer-logo img {
  height: 28px;
  width: auto;
  filter: brightness(0) invert(1);
  opacity: 0.5;
}

.footer-contact {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.4);
}

.footer-contact a {
  color: rgba(255, 255, 255, 0.55);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-contact a:hover {
  color: rgba(255, 255, 255, 0.9);
}

.footer-legal {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

.footer-legal a {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.35);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-legal a:hover {
  color: rgba(255, 255, 255, 0.7);
}