/* ============================================
   Finimpact — Financial Consultancy, Lisbon
   Light Theme + Portuguese Aesthetic
   ============================================ */

:root {
  --color-bg: #FFFFFF;
  --color-bg-alt: #F7F8FA;
  --color-bg-card: #FFFFFF;
  --color-surface: #F0F1F3;
  --color-border: rgba(20, 40, 80, 0.08);
  --color-border-light: rgba(20, 40, 80, 0.15);

  --color-text: #0A1628;
  --color-text-secondary: #4A5568;
  --color-text-muted: #8896A6;

  --color-primary: #1A4B8C;
  --color-primary-dark: #0D2B52;
  --color-primary-light: #2E6BC6;
  --color-accent: #C9884C;
  --color-accent-light: #E8C5A0;
  --color-accent-muted: rgba(201, 136, 76, 0.25);
  --color-warm: #F9F3E8;

  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --nav-height: 72px;
  --container-width: 1200px;
  --container-padding: 24px;

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
}

/* 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-family);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }

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

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

/* Azulejo-inspired tile divider */
.tile-divider {
  width: 100%;
  height: 48px;
  background-image: url("data:image/svg+xml,%3Csvg width='80' height='48' viewBox='0 0 80 48' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' stroke='%231A4B8C' stroke-width='0.5' opacity='0.15'%3E%3Crect x='10' y='4' width='20' height='20' rx='2'/%3E%3Crect x='50' y='4' width='20' height='20' rx='2'/%3E%3Crect x='30' y='24' width='20' height='20' rx='2'/%3E%3Ccircle cx='20' cy='14' r='6'/%3E%3Ccircle cx='60' cy='14' r='6'/%3E%3Ccircle cx='40' cy='34' r='6'/%3E%3C/g%3E%3C/svg%3E");
  background-repeat: repeat-x;
  background-position: center;
}

/* Navigation */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-height);
  transition: background-color 0.4s ease, backdrop-filter 0.4s ease, box-shadow 0.4s ease;
}

.nav--scrolled {
  background-color: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--color-border), 0 4px 20px rgba(0, 0, 0, 0.04);
}

.nav__container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__logo {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #fff;
  transition: color 0.4s ease;
}

.nav--scrolled .nav__logo { color: var(--color-primary-dark); }

.nav__links { display: flex; gap: 40px; }

.nav__links a {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.7);
  transition: color 0.3s ease;
  position: relative;
}

.nav--scrolled .nav__links a { color: var(--color-text-secondary); }

.nav__links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 1.5px;
  background: var(--color-accent);
  transition: width 0.3s var(--ease-out);
}

.nav__links a:hover { color: #fff; }
.nav--scrolled .nav__links a:hover { color: var(--color-text); }
.nav__links a:hover::after { width: 100%; }

/* Language Switcher */
.nav__lang {
  display: flex;
  gap: 4px;
  margin-left: 24px;
}

.nav__lang-link {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  padding: 4px 8px;
  border-radius: 4px;
  color: rgba(255, 255, 255, 0.5);
  transition: color 0.3s ease, background 0.3s ease;
}

.nav--scrolled .nav__lang-link { color: var(--color-text-muted); }

.nav__lang-link:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

.nav--scrolled .nav__lang-link:hover {
  color: var(--color-text);
  background: var(--color-surface);
}

.nav__lang-link--active {
  color: #fff !important;
  background: rgba(255, 255, 255, 0.15);
}

.nav--scrolled .nav__lang-link--active {
  color: var(--color-primary) !important;
  background: rgba(26, 75, 140, 0.08);
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav__toggle span {
  display: block;
  width: 22px; height: 1.5px;
  background: #fff;
  transition: transform 0.3s ease, opacity 0.3s ease, background-color 0.4s ease;
}

.nav--scrolled .nav__toggle span { background: var(--color-text-secondary); }

.nav__toggle.active span:nth-child(1) { transform: rotate(45deg) translate(4px, 5px); }
.nav__toggle.active span:nth-child(2) { opacity: 0; }
.nav__toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(4px, -5px); }

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: #0A1628 url('../assets/lisbon-hero.jpg') center center / cover no-repeat;
}

.hero__overlay {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 2;
  background: linear-gradient(
    180deg,
    rgba(10, 22, 40, 0.6) 0%,
    rgba(10, 22, 40, 0.4) 50%,
    rgba(10, 22, 40, 0.7) 100%
  );
}

.hero__content {
  position: relative;
  z-index: 3;
  text-align: center;
  padding: 0 var(--container-padding);
}

.hero__title {
  font-size: clamp(48px, 8vw, 88px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 20px;
  color: #FFFFFF;
}

.hero__gold-line {
  width: 60px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
  margin: 0 auto 28px;
}

.hero__subtitle {
  font-size: clamp(17px, 2.2vw, 24px);
  font-weight: 400;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.6;
  max-width: 520px;
  margin: 0 auto 36px;
}

.hero__cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.9);
  padding: 14px 32px;
  border: 1px solid rgba(201, 136, 76, 0.4);
  border-radius: 100px;
  transition: all 0.4s var(--ease-out);
  background: rgba(201, 136, 76, 0.1);
}

.hero__cta:hover {
  background: rgba(201, 136, 76, 0.25);
  color: #fff;
  border-color: rgba(201, 136, 76, 0.7);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(201, 136, 76, 0.2);
}

.hero__cta svg { transition: transform 0.3s var(--ease-out); }
.hero__cta:hover svg { transform: translateY(3px); }

.hero__scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
}

.hero__scroll-line {
  width: 1px;
  height: 60px;
  background: linear-gradient(180deg, rgba(201, 136, 76, 0.8), transparent);
  animation: scrollLine 2s var(--ease-in-out) infinite;
}

@keyframes scrollLine {
  0% { opacity: 0; transform: scaleY(0); transform-origin: top; }
  50% { opacity: 1; transform: scaleY(1); transform-origin: top; }
  51% { transform-origin: bottom; }
  100% { opacity: 0; transform: scaleY(0); transform-origin: bottom; }
}

/* Sections */
.section { padding: 120px 0; position: relative; }

.section__header { text-align: center; margin-bottom: 72px; }

.section__label {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 16px;
}

.section__label::before,
.section__label::after {
  content: '';
  width: 24px; height: 1px;
  background: var(--color-accent-muted);
}

.section__title {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--color-primary-dark);
}

.section__accent {
  width: 40px;
  height: 2px;
  background: var(--color-accent);
  margin: 20px auto 0;
}

/* About */
.about { background: var(--color-bg); }

.about__content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.about__text p {
  color: var(--color-text-secondary);
  margin-bottom: 20px;
  font-size: 15px;
  line-height: 1.75;
}

.about__lead {
  font-size: 17px !important;
  color: var(--color-text) !important;
  font-weight: 400;
  line-height: 1.7 !important;
}

.about__stats { display: flex; flex-direction: column; gap: 20px; }

.about__stat {
  padding: 28px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-card);
  transition: border-color 0.4s ease, box-shadow 0.4s ease;
  position: relative;
  overflow: hidden;
}

.about__stat::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 3px; height: 100%;
  background: linear-gradient(180deg, var(--color-primary), var(--color-primary-light));
}

.about__stat:hover {
  border-color: var(--color-border-light);
  box-shadow: 0 4px 24px rgba(20, 40, 80, 0.06);
}

.about__stat-icon { color: var(--color-primary); margin-bottom: 14px; }

.about__stat h3 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--color-text);
}

.about__stat p {
  font-size: 13px;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.about__philosophy {
  font-size: 16px !important;
  font-weight: 500;
  color: var(--color-primary) !important;
  font-style: italic;
  margin-top: 8px;
}

.about__mission {
  margin-top: 60px;
  text-align: center;
}

.about__mission-inner {
  max-width: 640px;
  margin: 0 auto;
  padding: 40px 48px;
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  position: relative;
}

.about__mission-inner::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 2px;
  background: var(--color-accent);
  border-radius: 1px;
}

.about__mission h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-primary-dark);
  margin-bottom: 12px;
}

.about__mission p {
  font-size: 16px;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* Services */
.services { background: var(--color-bg-alt); position: relative; }

.services::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  opacity: 0.02;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' stroke='%231A4B8C' stroke-width='0.5'%3E%3Crect x='5' y='5' width='50' height='50' rx='4'/%3E%3Ccircle cx='30' cy='30' r='15'/%3E%3C/g%3E%3C/svg%3E");
  background-repeat: repeat;
  pointer-events: none;
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  position: relative;
  z-index: 1;
}

.service-card {
  position: relative;
  padding: 40px 32px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: transform 0.5s var(--ease-out), border-color 0.4s ease, box-shadow 0.4s ease;
  overflow: hidden;
}

.service-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-accent-muted);
  box-shadow: 0 20px 60px rgba(20, 40, 80, 0.08), 0 0 0 1px var(--color-accent-muted);
}

.service-card__number {
  font-size: 64px;
  font-weight: 700;
  color: var(--color-surface);
  position: absolute;
  top: 20px; right: 24px;
  line-height: 1;
  user-select: none;
}

.service-card__icon {
  color: var(--color-primary);
  margin-bottom: 24px;
  position: relative;
  z-index: 1;
}

.service-card__title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 14px;
  color: var(--color-text);
  position: relative;
  z-index: 1;
}

.service-card__description {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
}

.service-card__list { position: relative; z-index: 1; }

.service-card__list li {
  font-size: 13px;
  color: var(--color-text-muted);
  padding: 6px 0;
  padding-left: 16px;
  position: relative;
  line-height: 1.5;
}

.service-card__list li::before {
  content: '';
  position: absolute;
  left: 0; top: 13px;
  width: 4px; height: 4px;
  border-radius: 1px;
  background: var(--color-accent);
  opacity: 0.7;
}

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

.service-card--wide {
  /* inherits service-card styles */
}

.service-card__line {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s var(--ease-out);
}

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

/* Process */
.process { background: var(--color-bg); }

.process__steps {
  max-width: 640px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}

.process__step {
  display: flex;
  align-items: center;
  gap: 24px;
  width: 100%;
  padding: 24px 32px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color 0.4s ease, box-shadow 0.4s ease;
}

.process__step:hover {
  border-color: var(--color-border-light);
  box-shadow: 0 4px 24px rgba(20, 40, 80, 0.06);
}

.process__step-number {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-size: 16px;
  font-weight: 700;
}

.process__step-content h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 4px;
}

.process__step-content p {
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.process__connector {
  width: 1px;
  height: 24px;
  background: linear-gradient(180deg, var(--color-primary), var(--color-accent));
  opacity: 0.3;
}

/* Clients */
.clients { background: var(--color-bg); }

.clients__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 960px;
  margin: 0 auto;
}

.clients__grid .client-card:nth-child(4),
.clients__grid .client-card:nth-child(5) {
  /* Center last 2 cards in a 3-col grid */
}

.client-card {
  text-align: center;
  padding: 36px 28px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-card);
  transition: border-color 0.4s ease, box-shadow 0.4s ease, transform 0.4s var(--ease-out);
}

.client-card:hover {
  border-color: var(--color-border-light);
  box-shadow: 0 8px 32px rgba(20, 40, 80, 0.06);
  transform: translateY(-2px);
}

.client-card__icon {
  color: var(--color-primary);
  margin-bottom: 16px;
  display: flex;
  justify-content: center;
}

.client-card h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--color-text);
}

.client-card p {
  font-size: 13px;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* FAQ */
.faq { background: var(--color-bg-alt); }

.faq__list {
  max-width: 720px;
  margin: 0 auto;
}

.faq__item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  background: var(--color-bg-card);
  overflow: hidden;
  transition: border-color 0.3s ease;
}

.faq__item:hover { border-color: var(--color-border-light); }

.faq__question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 28px;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-family);
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  text-align: left;
  transition: color 0.3s ease;
}

.faq__question:hover { color: var(--color-primary); }

.faq__chevron {
  flex-shrink: 0;
  color: var(--color-text-muted);
  transition: transform 0.3s var(--ease-out), color 0.3s ease;
}

.faq__item.active .faq__chevron {
  transform: rotate(180deg);
  color: var(--color-primary);
}

.faq__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--ease-out), padding 0.4s var(--ease-out);
}

.faq__item.active .faq__answer {
  max-height: 200px;
}

.faq__answer p {
  padding: 0 28px 24px;
  font-size: 15px;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* Contact */
.contact {
  background: linear-gradient(180deg, var(--color-warm) 0%, var(--color-bg) 100%);
}

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

.contact__card {
  text-align: center;
  padding: 48px 60px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  max-width: 520px;
  width: 100%;
  box-shadow: 0 4px 24px rgba(20, 40, 80, 0.04);
  position: relative;
}

.contact__card::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 2px;
  background: var(--color-accent);
  border-radius: 1px;
}

.contact__icon {
  color: var(--color-accent);
  margin-bottom: 20px;
}

.contact__card h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--color-text);
}

.contact__text {
  font-size: 15px;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 32px;
}

.contact__links {
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: center;
}

.contact__link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  color: var(--color-primary);
  font-weight: 500;
  transition: color 0.3s ease;
}

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

.contact__link svg { color: var(--color-accent); flex-shrink: 0; }

/* Footer */
.footer {
  padding: 40px 0;
  background: var(--color-primary-dark);
  color: rgba(255, 255, 255, 0.7);
  position: relative;
  overflow: hidden;
}

.footer__content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  z-index: 1;
}

.footer__logo {
  font-size: 20px;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.9);
  letter-spacing: -0.02em;
}

.footer__copy {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.4);
  letter-spacing: 0.02em;
}

/* Reveal Animations */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.reveal--delay-1 { transition-delay: 0.15s; }
.reveal--delay-2 { transition-delay: 0.3s; }
.reveal--delay-3 { transition-delay: 0.45s; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* Responsive */
@media (max-width: 1024px) {
  .services__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .about__content {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .clients__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  :root {
    --nav-height: 64px;
    --container-padding: 20px;
  }

  .section { padding: 80px 0; }
  .section__header { margin-bottom: 48px; }

  .nav__toggle { display: flex; }

  .nav__links {
    position: fixed;
    top: var(--nav-height);
    left: 0; right: 0; bottom: 0;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 32px;
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s ease, visibility 0.4s ease;
  }

  .nav__links.active { opacity: 1; visibility: visible; }
  .nav__links.active a { color: var(--color-text-secondary); }

  .services__grid { grid-template-columns: 1fr; max-width: 600px; margin: 0 auto; }
  .clients__grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
  .contact__card { padding: 36px 28px; }

  .footer__content {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .service-card { padding: 32px 24px; }
  .service-card__number { font-size: 48px; }
}