/* ================================================================
   APEX DENTAL SERVICES — Luxury Stylesheet
   ================================================================ */


/* ----------------------------------------------------------------
   1. CSS CUSTOM PROPERTIES
   ---------------------------------------------------------------- */
:root {
  /* Rich, High-End Color Palette */
  --color-purple:        #2E1654; /* Deeper, more sophisticated luxury purple */
  --color-purple-dark:   #180B2E; /* Near-black purple for high contrast */
  --color-purple-mid:    #4A2B7A;
  --color-gold:          #C59B38; /* Elegant, muted amber/gold */
  --color-gold-light:    #E0BA5E;
  --color-white:         #FFFFFF;
  --color-light-gray:    #F9F9FB; /* Cooler, sterile light gray */
  --color-text-dark:     #111111;
  --color-text-muted:    #636363;

  /* Typography */
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body:    'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --text-xs:   0.75rem;
  --text-sm:   0.875rem;
  --text-base: 1rem;
  --text-md:   1.125rem;
  --text-lg:   1.25rem;
  --text-xl:   1.5rem;
  --text-2xl:  1.875rem;
  --text-3xl:  2.25rem;
  --text-4xl:  3.25rem;
  --text-5xl:  4.25rem;

  /* Luxurious Spacing (Expanded for breathing room) */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 7rem; /* Increased for high-end feel */

  --container-max: 1240px;
  --nav-height: 84px;

  /* Sharper Radiuses for a Modern Editorial Edge */
  --radius-sm:  2px;
  --radius-md:  4px;
  --radius-lg:  8px;
  
  /* Diffused, soft shadows */
  --shadow-sm:  0 2px 10px rgba(0,0,0,0.03);
  --shadow-md:  0 8px 30px rgba(46, 22, 84, 0.08);
  --shadow-lg:  0 15px 40px rgba(46, 22, 84, 0.12);
  
  --transition: 300ms cubic-bezier(0.25, 0.8, 0.25, 1);
}


/* ----------------------------------------------------------------
   2. RESET & BASE
   ---------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--color-text-dark);
  background-color: var(--color-white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, video { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--transition); }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

:focus-visible {
  outline: 1px solid var(--color-gold);
  outline-offset: 4px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}


/* ----------------------------------------------------------------
   3. SHARED SECTION UTILITIES
   ---------------------------------------------------------------- */
.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-16);
}

.section-eyebrow {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.25em; /* Wider tracking for luxury */
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-4);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
}

.section-eyebrow::before,
.section-eyebrow::after {
  content: '';
  display: inline-block;
  width: 30px;
  height: 1px;
  background-color: var(--color-gold);
  flex-shrink: 0;
}

.section-eyebrow--light { color: var(--color-gold-light); }
.section-eyebrow--light::before,
.section-eyebrow--light::after { background-color: var(--color-gold-light); }

.section-title {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: 500;
  line-height: 1.15;
  color: var(--color-text-dark);
  margin-bottom: var(--space-5);
  letter-spacing: -0.01em;
}

.section-title em { 
  font-style: italic; 
  font-weight: 400; 
  color: var(--color-purple); 
}

.section-title--light { color: var(--color-white); }
.section-title--light em { color: var(--color-gold-light); }

.section-subtitle {
  font-size: var(--text-md);
  color: var(--color-text-muted);
  line-height: 1.75;
}

.section-header--light .section-subtitle { color: rgba(255,255,255,0.7); }


/* ----------------------------------------------------------------
   4. BUTTONS
   ---------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.85rem 2rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn:hover  { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--gold {
  background-color: var(--color-gold);
  color: var(--color-white);
  box-shadow: 0 4px 14px rgba(197, 155, 56, 0.25);
}

.btn--gold:hover {
  background-color: var(--color-gold-light);
  box-shadow: 0 6px 20px rgba(197, 155, 56, 0.4);
}

.btn--outline-white {
  background-color: transparent;
  border-color: rgba(255,255,255,0.5);
  color: var(--color-white);
}

.btn--outline-white:hover {
  background-color: var(--color-white);
  color: var(--color-purple-dark);
  border-color: var(--color-white);
}

.btn--lg { padding: 1rem 2.5rem; }
.btn__icon { width: 18px; height: 18px; flex-shrink: 0; }


/* ----------------------------------------------------------------
   5. NAVIGATION
   ---------------------------------------------------------------- */
.nav-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-height);
  background-color: transparent;
  transition: background-color var(--transition), box-shadow var(--transition), padding var(--transition);
}

.nav-header--scrolled {
  background-color: rgba(24, 11, 46, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 4px 30px rgba(0,0,0,0.15);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.nav-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-6);
  height: 100%;
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-shrink: 0;
}

.nav-logo__icon { color: var(--color-gold); font-size: 1.2rem; line-height: 1; }

.nav-logo__text {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-white);
  letter-spacing: 0.02em;
}

.nav-logo__text em { font-style: italic; font-weight: 400; color: var(--color-gold); }

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  margin-left: auto;
}

.nav-link {
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  color: rgba(255,255,255,0.7);
  letter-spacing: 0.1em;
  position: relative;
  padding: var(--space-2) 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 1px;
  background-color: var(--color-gold);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition);
}

.nav-link:hover { color: var(--color-white); }
.nav-link:hover::after,
.nav-link--active::after { 
  transform: scaleX(1); 
  transform-origin: left; 
}
.nav-link--active { color: var(--color-white); }

.nav-cta { margin-left: var(--space-4); padding: 0.65rem 1.5rem; font-size: 0.75rem; }

.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 40px; height: 40px;
  margin-left: auto; padding: 4px;
}

.nav-hamburger__bar {
  display: block; width: 100%; height: 1px;
  background-color: var(--color-white);
  transition: transform var(--transition), opacity var(--transition);
}

.nav-hamburger.is-open .nav-hamburger__bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.is-open .nav-hamburger__bar:nth-child(2) { opacity: 0; }
.nav-hamburger.is-open .nav-hamburger__bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  display: none;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-8) var(--space-6);
  background-color: var(--color-purple-dark);
  border-top: 1px solid rgba(255,255,255,.05);
  max-height: 0;
  overflow: hidden;
  transition: max-height 400ms cubic-bezier(0.25, 0.8, 0.25, 1);
}

.mobile-menu.is-open { max-height: 500px; }

.mobile-menu__links { display: flex; flex-direction: column; width: 100%; }

.mobile-link {
  display: block;
  padding: var(--space-4) 0;
  font-size: var(--text-sm);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,.7);
  border-bottom: 1px solid rgba(255,255,255,.05);
}

.mobile-link:hover { color: var(--color-gold-light); padding-left: var(--space-2); }
.mobile-menu__cta  { margin-top: var(--space-6); width: 100%; }


/* ----------------------------------------------------------------
   6. HERO
   ---------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero__bg { position: absolute; inset: 0; z-index: 0; }

.hero__bg-img { width: 100%; height: 100%; object-fit: cover; object-position: center 40%; }

.hero__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(145deg, rgba(24,11,46,0.92) 0%, rgba(46,22,84,0.75) 45%, rgba(17,17,17,0.85) 100%);
}

.hero__content {
  position: relative; z-index: 1;
  max-width: var(--container-max);
  width: 100%; margin: 0 auto;
  padding: calc(var(--nav-height) + var(--space-16)) var(--space-6) var(--space-24);
}

.hero__eyebrow {
  font-size: var(--text-xs); 
  font-weight: 500;
  letter-spacing: 0.25em; 
  text-transform: uppercase;
  color: var(--color-gold-light);
  margin-bottom: var(--space-6);
  display: flex; align-items: center; gap: var(--space-4);
}

.hero__eyebrow::before {
  content: '';
  display: inline-block; width: 40px; height: 1px;
  background-color: var(--color-gold); flex-shrink: 0;
}

.hero__headline {
  font-family: var(--font-display);
  font-size: var(--text-5xl); font-weight: 500;
  line-height: 1.1; color: var(--color-white);
  margin-bottom: var(--space-6); max-width: 800px;
  letter-spacing: -0.02em;
}

.hero__headline em { font-style: italic; font-weight: 400; color: var(--color-gold-light); }

.hero__sub {
  font-size: var(--text-lg); font-weight: 300; line-height: 1.6;
  color: rgba(255,255,255,.8);
  max-width: 600px; margin-bottom: var(--space-10);
}

.hero__actions { display: flex; flex-wrap: wrap; gap: var(--space-4); }

.hero__scroll-cue {
  position: absolute; bottom: var(--space-10);
  left: 50%; transform: translateX(-50%);
  z-index: 1; display: flex; flex-direction: column;
  align-items: center; opacity: .7; transition: opacity var(--transition);
}

.hero__scroll-cue:hover { opacity: 1; }

.hero__scroll-cue-line {
  display: block; width: 1px; height: 60px;
  background: linear-gradient(to bottom, rgba(197,155,56,0), rgba(197,155,56,1));
  animation: scrollPulse 2.5s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100%  { opacity: .3; transform: scaleY(1); transform-origin: top; }
  50%       { opacity: 1;  transform: scaleY(0.5); transform-origin: top; }
}


/* ----------------------------------------------------------------
   7. PHILOSOPHY / ABOUT
   ---------------------------------------------------------------- */
.about {
  background-color: var(--color-white);
  padding: var(--space-24) var(--space-6);
}

.about__container {
  max-width: var(--container-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: var(--space-20);
  align-items: center;
}

.about__image-wrap {
  position: relative;
  border-radius: var(--radius-sm);
}

.about__image {
  width: 100%;
  height: 640px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
}

/* Floating badge */
.about__badge {
  position: absolute;
  bottom: -30px;
  right: -30px;
  background-color: var(--color-purple);
  color: var(--color-white);
  padding: var(--space-6) var(--space-8);
  border-radius: var(--radius-sm);
  text-align: center;
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(255,255,255,0.1);
}

.about__badge-num {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 500;
  color: var(--color-gold-light);
  line-height: 1;
  margin-bottom: var(--space-2);
}

.about__badge-label {
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,.8);
  line-height: 1.5;
}

.about__copy { padding-left: var(--space-4); }
.about__copy .section-eyebrow { justify-content: flex-start; }
.about__copy .section-eyebrow::after { display: none; }
.about__copy .section-title { text-align: left; }

.about__body {
  font-size: var(--text-md);
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: var(--space-10);
}

.about__pillars {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.about__pillar {
  display: flex;
  gap: var(--space-5);
  align-items: flex-start;
}

.about__pillar-icon {
  width: 28px; height: 28px;
  background-color: transparent;
  border: 1px solid var(--color-gold);
  color: var(--color-gold);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.8rem; font-weight: 400;
  flex-shrink: 0;
  margin-top: 4px;
}

.about__pillar strong {
  display: block;
  font-size: var(--text-lg);
  font-family: var(--font-display);
  font-weight: 500;
  color: var(--color-text-dark);
  margin-bottom: var(--space-2);
}

.about__pillar p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
}


/* ----------------------------------------------------------------
   8. SERVICES
   ---------------------------------------------------------------- */
.services {
  background-color: var(--color-light-gray);
  padding: var(--space-24) var(--space-6);
}

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

.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
}

.service-card {
  background-color: var(--color-white);
  border-radius: var(--radius-sm);
  padding: var(--space-10) var(--space-8);
  position: relative;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition), box-shadow var(--transition);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(46, 22, 84, 0.04);
}

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

.service-card--featured {
  border-top: 2px solid var(--color-gold);
}

.service-card__icon-wrap {
  width: 56px; height: 56px;
  background-color: var(--color-light-gray);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--color-gold);
  margin-bottom: var(--space-6);
  flex-shrink: 0;
  border: 1px solid rgba(197, 155, 56, 0.2);
}

.service-card__icon-wrap svg { width: 26px; height: 26px; stroke-width: 1.2; }

.service-card__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 500;
  color: var(--color-text-dark);
  margin-bottom: var(--space-4);
  line-height: 1.2;
}

.service-card--featured .service-card__title { color: var(--color-purple); }

.service-card__body {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.75;
  flex: 1;
}


/* ----------------------------------------------------------------
   9. THE EXPERIENCE (NEW HTML SECTION INLINE OVERRIDES)
   ---------------------------------------------------------------- */
.experience {
  background-color: var(--color-white);
  padding: var(--space-24) var(--space-6);
}

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


/* ----------------------------------------------------------------
   10. TESTIMONIALS SLIDER
   ---------------------------------------------------------------- */
.testimonials {
  background-color: var(--color-purple-dark);
  background-image: radial-gradient(circle at 100% 0%, rgba(74, 43, 122, 0.15) 0%, transparent 50%);
  padding: var(--space-24) var(--space-6);
  position: relative;
  overflow: hidden;
}

.testimonials__container {
  max-width: 900px;
  margin: 0 auto;
}

.slider { position: relative; }

.slider__track { min-height: 260px; position: relative; }

.slide {
  text-align: center;
  padding: 0 var(--space-4);
  animation: fadeIn 400ms ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(15px); }
  to   { opacity: 1; transform: translateY(0); }
}

.slide[hidden] { display: none; }

.slide__stars {
  color: var(--color-gold-light);
  font-size: var(--text-xl);
  letter-spacing: 0.15em;
  margin-bottom: var(--space-8);
}

.slide__quote {
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--text-2xl);
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-white);
  margin-bottom: var(--space-10);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.slide__author {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  font-style: normal;
}

.slide__name {
  font-weight: 500;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-gold-light);
}

.slide__role {
  font-size: var(--text-xs);
  text-transform: uppercase;
  color: rgba(255,255,255,.5);
  letter-spacing: 0.1em;
}

.slider__controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  margin-top: var(--space-12);
}

.slider__btn {
  width: 48px; height: 48px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.2);
  color: var(--color-white);
  display: flex; align-items: center; justify-content: center;
  background: transparent;
  transition: all var(--transition);
}

.slider__btn:hover {
  background-color: var(--color-gold);
  border-color: var(--color-gold);
  transform: scale(1.05);
}

.slider__dots { display: flex; gap: var(--space-3); align-items: center; }

.slider__dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background-color: rgba(255,255,255,.2);
  transition: all var(--transition);
}

.slider__dot--active {
  background-color: var(--color-gold);
  width: 24px;
  border-radius: 4px;
}


/* ----------------------------------------------------------------
   11. CONTACT
   ---------------------------------------------------------------- */
.contact {
  background-color: var(--color-light-gray);
  padding: var(--space-24) var(--space-6);
}

.contact__container {
  max-width: var(--container-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: var(--space-20);
  align-items: start;
}

.contact__info .section-eyebrow { justify-content: flex-start; }
.contact__info .section-eyebrow::after { display: none; }
.contact__info .section-title { text-align: left; }

.contact__intro {
  font-size: var(--text-md);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-10);
  margin-top: var(--space-4);
}

.contact__details {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.contact__detail {
  display: flex;
  gap: var(--space-5);
  align-items: flex-start;
}

.contact__detail-icon {
  width: 44px; height: 44px;
  border: 1px solid rgba(46, 22, 84, 0.1);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--color-purple);
  flex-shrink: 0;
  background-color: var(--color-white);
}

.contact__detail strong {
  display: block;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-dark);
  margin-bottom: var(--space-2);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.contact__detail span {
  display: block;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
}

.contact__detail a { color: var(--color-purple); font-weight: 500; }
.contact__detail a:hover { color: var(--color-gold); }

/* Form card */
.contact__form-card {
  background-color: var(--color-white);
  border-radius: var(--radius-sm);
  padding: var(--space-12);
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(46, 22, 84, 0.05);
}

.contact__form-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 500;
  color: var(--color-text-dark);
  margin-bottom: var(--space-8);
  border-bottom: 1px solid var(--color-light-gray);
  padding-bottom: var(--space-4);
}

.form { display: flex; flex-direction: column; gap: var(--space-6); }

.form__group { display: flex; flex-direction: column; gap: var(--space-2); }

.form__label {
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-dark);
}

.form__label span { color: var(--color-gold); }

.form__input {
  width: 100%;
  padding: 1rem 1.25rem;
  border: 1px solid #E2E2E2;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text-dark);
  background-color: var(--color-light-gray);
  transition: all var(--transition);
  appearance: none;
  -webkit-appearance: none;
  outline: none;
}

textarea.form__input {
  min-height: 100px;
}

.form__input::placeholder { color: #A0A0A0; font-weight: 300; }

.form__input:focus {
  border-color: var(--color-gold);
  background-color: var(--color-white);
  box-shadow: 0 0 0 4px rgba(197, 155, 56, 0.1);
}

.form__select-wrap { position: relative; }
.form__select { cursor: pointer; padding-right: 3rem; }
.form__select-arrow {
  position: absolute;
  right: 1.25rem; top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  pointer-events: none;
  display: flex; align-items: center;
}

.form__submit { width: 100%; justify-content: center; padding: 1.1rem; margin-top: var(--space-4); }


/* ----------------------------------------------------------------
   12. FOOTER
   ---------------------------------------------------------------- */
.footer {
  background-color: var(--color-purple-dark);
  padding: var(--space-12) var(--space-6);
  border-top: 1px solid rgba(255,255,255,0.05);
}

.footer__container {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  text-align: center;
}

.footer__copy {
  font-size: var(--text-sm);
  color: rgba(255,255,255,.5);
}

.footer__sub {
  font-size: var(--text-xs);
  color: rgba(255,255,255,.3);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.footer__sub a {
  color: rgba(255,255,255,.6);
}

.footer__sub a:hover { color: var(--color-gold-light); }


/* ----------------------------------------------------------------
   13. FLOATING WHATSAPP BUTTON
   ---------------------------------------------------------------- */
.whatsapp-fab {
  position: fixed;
  bottom: var(--space-8);
  right: var(--space-8);
  z-index: 900;
  width: 64px; height: 64px;
  border-radius: 50%;
  background-color: #25D366;
  color: var(--color-white);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 30px rgba(37,211,102,.4);
  transition: transform var(--transition), box-shadow var(--transition);
}

.whatsapp-fab:hover {
  transform: scale(1.08);
  box-shadow: 0 12px 40px rgba(37,211,102,.5);
}

.whatsapp-fab:active { transform: scale(0.95); }

.whatsapp-fab__tooltip {
  position: absolute;
  right: calc(100% + 16px);
  top: 50%; transform: translateY(-50%);
  background-color: var(--color-purple-dark);
  color: var(--color-white);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  white-space: nowrap;
  padding: 0.6rem 1rem;
  border-radius: var(--radius-sm);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
  box-shadow: var(--shadow-md);
}

.whatsapp-fab__tooltip::after {
  content: '';
  position: absolute;
  left: 100%; top: 50%; transform: translateY(-50%);
  border: 6px solid transparent;
  border-left-color: var(--color-purple-dark);
}

.whatsapp-fab:hover .whatsapp-fab__tooltip { opacity: 1; }

.whatsapp-fab::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background-color: #25D366;
  z-index: -1;
  animation: waPulse 2.5s ease-out infinite;
}

@keyframes waPulse {
  0%   { transform: scale(1);   opacity: .5; }
  70%  { transform: scale(1.6); opacity: 0; }
  100% { transform: scale(1.6); opacity: 0; }
}


/* ----------------------------------------------------------------
   14. RESPONSIVE — TABLET (≤ 960px)
   ---------------------------------------------------------------- */
@media (max-width: 960px) {
  :root { 
    --nav-height: 72px; 
    --space-24: 5rem;
  }

  .nav-links, .nav-cta { display: none; }
  .nav-hamburger        { display: flex; }
  .mobile-menu          { display: flex; }
  .nav-header           { height: auto; min-height: var(--nav-height); }
  .nav-container        { height: var(--nav-height); }

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

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

  .about__container {
    grid-template-columns: 1fr;
    gap: var(--space-12);
  }

  .about__image { height: 450px; }
  .about__badge { bottom: -20px; right: 0; }
  .about__copy { padding-left: 0; }

  .contact__container { grid-template-columns: 1fr; gap: var(--space-12); }
}


/* ----------------------------------------------------------------
   15. RESPONSIVE — MOBILE (≤ 600px)
   ---------------------------------------------------------------- */
@media (max-width: 600px) {
  :root { 
    --nav-height: 64px; 
    --space-24: 4rem;
  }

  .nav-container { padding: 0 var(--space-5); }

  .hero__content { padding: calc(var(--nav-height) + var(--space-8)) var(--space-5) var(--space-16); }
  .hero__headline { font-size: var(--text-3xl); }
  .hero__sub { font-size: var(--text-base); }
  .hero__actions { flex-direction: column; align-items: stretch; }
  .hero__actions .btn { justify-content: center; width: 100%; }
  .hero__scroll-cue { display: none; }

  .section-title { font-size: var(--text-3xl); }
  
  .services, .about, .experience, .testimonials, .contact { padding-left: var(--space-5); padding-right: var(--space-5); }

  .services__grid { grid-template-columns: 1fr; }
  .service-card { padding: var(--space-8) var(--space-6); }

  .about__image { height: 350px; }
  .about__badge { display: none; } /* Hide on mobile for cleaner look */

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

  .contact__form-card { padding: var(--space-8) var(--space-5); }

  .whatsapp-fab { bottom: var(--space-5); right: var(--space-5); width: 56px; height: 56px; }
  .whatsapp-fab__tooltip { display: none; }
}