/* ==========================================================================
   Base Styles — Typography, Layout, Links
   ========================================================================== */

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--linkyy-text);
  background-color: var(--linkyy-surface);
}

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

/* --- Section Rhythm --- */
section {
  padding: var(--section-padding) 0;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--linkyy-text);
}

h1 {
  font-size: var(--text-5xl);
  font-weight: 800;
}

h2 {
  font-size: var(--text-4xl);
}

h3 {
  font-size: var(--text-2xl);
}

h4 {
  font-size: var(--text-xl);
}

p {
  line-height: 1.7;
  color: var(--linkyy-text-secondary);
}

/* --- Links --- */
a {
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--linkyy-coral);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-base);
  line-height: 1;
  padding: var(--space-4) var(--space-8);
  border: 2px solid transparent;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
}

.btn--primary {
  background-color: var(--linkyy-coral);
  color: #ffffff;
}

.btn--primary:hover {
  background-color: var(--linkyy-coral-hover);
  color: #ffffff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn--secondary {
  background-color: transparent;
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.4);
}

.btn--secondary:hover {
  border-color: #ffffff;
  color: #ffffff;
  transform: translateY(-1px);
}

.btn--large {
  font-size: var(--text-lg);
  padding: var(--space-5) var(--space-10);
}

/* --- Section Headings --- */
.section-heading {
  text-align: center;
  margin-bottom: var(--space-12);
}

.section-heading h2 {
  margin-bottom: var(--space-4);
}

.section-heading p {
  font-size: var(--text-lg);
  max-width: 640px;
  margin: 0 auto;
}

/* ==========================================================================
   SITE HEADER (shared across all pages)
   ========================================================================== */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: var(--space-4) 0;
  background-color: var(--linkyy-dark);
  transition: background-color var(--transition-base), box-shadow var(--transition-base);
}

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

.site-header__logo img {
  height: 50px;
  width: auto;
}

/* Nav menu — desktop */
.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav-menu__list {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.nav-menu__link {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 500;
  color: rgba(255, 255, 255, 0.8);
  letter-spacing: 0.01em;
  transition: color var(--transition-fast);
}

.nav-menu__link:hover {
  color: #ffffff;
}

.nav-menu__cta {
  font-size: var(--text-base);
  padding: var(--space-2) var(--space-6);
}

/* Hamburger — hidden on desktop */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
}

.nav-toggle__bar {
  display: block;
  width: 24px;
  height: 2px;
  background-color: #ffffff;
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

/* Scrolled header state */
.site-header.is-scrolled {
  background-color: var(--linkyy-dark);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.site-header.is-scrolled .nav-menu__link {
  color: rgba(255, 255, 255, 0.8);
}

.site-header.is-scrolled .nav-menu__link:hover {
  color: #ffffff;
}

.site-header.is-scrolled .nav-toggle__bar {
  background-color: #ffffff;
}


/* ==========================================================================
   FINAL CTA (shared across all pages)
   ========================================================================== */

.final-cta {
  background-color: var(--linkyy-dark);
  padding: var(--space-24) 0;
}

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

.final-cta__title {
  color: #ffffff;
  font-size: var(--text-5xl);
  margin-bottom: var(--space-5);
}

.final-cta__text {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--text-lg);
  max-width: 560px;
  margin: 0 auto var(--space-8);
}

.final-cta__actions {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}

.final-cta__guarantee {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.5);
  margin-top: var(--space-4);
}


/* ==========================================================================
   SITE FOOTER (shared across all pages)
   ========================================================================== */

.site-footer {
  background-color: var(--linkyy-dark);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: var(--space-8) 0;
}

.site-footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.site-footer__links a {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.5);
  transition: color var(--transition-fast);
}

.site-footer__links a:hover {
  color: #ffffff;
}

.site-footer__copy {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.35);
}


/* --- Scroll Reveal --- */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Responsive --- */
@media (max-width: 768px) {
  :root {
    --section-padding: var(--space-16);
  }

  h1 {
    font-size: var(--text-4xl);
  }

  h2 {
    font-size: var(--text-3xl);
  }

  /* Header — mobile nav */
  .nav-toggle {
    display: flex;
    position: relative;
    z-index: 101;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background-color: var(--linkyy-surface);
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-20) var(--space-6) var(--space-8);
    gap: var(--space-6);
    box-shadow: var(--shadow-xl);
    transition: right var(--transition-base);
    z-index: 99;
  }

  .nav-menu.is-open {
    right: 0;
  }

  .nav-menu__list {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-4);
  }

  .nav-menu__link {
    color: var(--linkyy-text);
    font-size: var(--text-base);
  }

  .site-header.is-scrolled .nav-menu__link {
    color: var(--linkyy-text);
  }

  .nav-menu__link:hover,
  .site-header.is-scrolled .nav-menu__link:hover {
    color: var(--linkyy-coral);
  }

  .nav-menu__cta {
    width: 100%;
    text-align: center;
  }

  /* Hamburger animation when open */
  .nav-toggle[aria-expanded="true"] .nav-toggle__bar {
    background-color: var(--linkyy-text);
  }

  .nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  /* Footer */
  .site-footer__inner {
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
  }

  .final-cta__title {
    font-size: var(--text-4xl);
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: var(--text-3xl);
  }

  h2 {
    font-size: var(--text-2xl);
  }

  /* Final CTA */
  .final-cta__title {
    font-size: var(--text-3xl);
  }

  /* Footer links wrap */
  .site-footer__links {
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-4);
  }
}