/* ================================================
   DANAE NUTRICIÓN — Scroll-Animated Experience
   ================================================ */

/* ===== CSS VARIABLES ===== */
:root {
  --bg-light: #f5f3f0;
  --bg-dark: #111111;
  --text-on-light: #1a1a1a;
  --text-on-dark: #f0ede8;
  --accent: #8b6f47;
  --accent-light: #c4a26e;
  --accent-glow: rgba(139, 111, 71, 0.3);
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'DM Sans', -apple-system, sans-serif;
  --ease-out: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-in-out: cubic-bezier(0.42, 0, 0.58, 1);
}

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

html.lenis, html.lenis body {
  height: auto;
}

.lenis.lenis-smooth {
  scroll-behavior: auto !important;
}

.lenis.lenis-smooth [data-lenis-prevent] {
  overscroll-behavior: contain;
}

body {
  font-family: var(--font-body);
  color: var(--text-on-light);
  background: var(--bg-light);
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
}

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

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* ===== LOADER ===== */
.loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--bg-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s var(--ease-out), visibility 0.6s;
}

.loader.loaded {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader-content {
  text-align: center;
  color: var(--text-on-dark);
}

.loader-logo {
  margin-bottom: 2rem;
}

.loader-logo img {
  height: 70px;
  margin: 0 auto;
  border-radius: 10px;
}

.loader-bar-track {
  width: 200px;
  height: 3px;
  background: rgba(255,255,255,0.15);
  border-radius: 4px;
  overflow: hidden;
  margin: 0 auto 1rem;
}

.loader-bar-fill {
  width: 0%;
  height: 100%;
  background: var(--accent-light);
  border-radius: 4px;
  transition: width 0.15s linear;
}

.loader-percent {
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 300;
  letter-spacing: 0.1em;
  opacity: 0.6;
}

/* ===== NAVBAR ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1.2rem 0;
  transition: all 0.4s var(--ease-out);
}

.navbar.scrolled {
  background: rgba(17, 17, 17, 0.92);
  backdrop-filter: blur(20px);
  padding: 0.8rem 0;
}

.navbar.light {
  background: rgba(245, 243, 240, 0.95);
  backdrop-filter: blur(20px);
}

.navbar.light .nav-links a {
  color: var(--text-on-light);
}

.navbar.light .nav-links a:hover {
  color: var(--accent);
}

.navbar.light .nav-toggle span {
  background: var(--text-on-light);
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  z-index: 10;
}

.logo-img {
  height: 44px;
  border-radius: 6px;
  opacity: 0.8;
  transition: opacity 0.3s;
}

.logo-img:hover {
  opacity: 1;
}

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

.nav-links a {
  color: var(--text-on-dark);
  font-size: 0.9rem;
  font-weight: 400;
  letter-spacing: 0.02em;
  transition: color 0.3s;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--accent-light);
  transition: width 0.3s var(--ease-out);
}

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

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

.nav-cta {
  background: var(--accent);
  color: #fff;
  padding: 0.65rem 1.5rem;
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 500;
  transition: all 0.3s;
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 10;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-on-dark);
  transition: all 0.3s;
}

/* ===== HERO ===== */
.hero {
  position: relative;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  background: var(--bg-dark);
  z-index: 5;
  overflow: hidden;
}

.hero-content {
  padding-left: 5vw;
  padding-right: 50vw;
  color: var(--text-on-dark);
  position: relative;
  z-index: 2;
}

.hero-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-light);
  margin-bottom: 1.5rem;
  opacity: 0;
  transform: translateY(20px);
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 12rem);
  font-weight: 700;
  line-height: 0.95;
  margin-bottom: 1.5rem;
}

.title-line {
  display: block;
  opacity: 0;
  transform: translateY(40px);
}

.hero-subtitle {
  font-size: clamp(0.95rem, 1.2vw, 1.15rem);
  font-weight: 300;
  line-height: 1.7;
  max-width: 500px;
  opacity: 0.85;
  opacity: 0;
  transform: translateY(20px);
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
  opacity: 0;
  transform: translateY(20px);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  border-radius: 100px;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.35s var(--ease-out);
  border: none;
  font-family: var(--font-body);
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px var(--accent-glow);
}

.btn-outline {
  background: transparent;
  color: var(--text-on-dark);
  border: 1px solid rgba(255,255,255,0.25);
}

.btn-outline:hover {
  border-color: var(--accent-light);
  color: var(--accent-light);
}

.btn-large {
  padding: 1.1rem 2.8rem;
  font-size: 1rem;
}

.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255,255,255,0.4);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  animation: scrollBounce 2s infinite;
}

@keyframes scrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ===== CANVAS ===== */
.canvas-wrap {
  position: sticky;
  top: 0;
  height: 100vh;
  width: 100%;
  z-index: 1;
  clip-path: circle(0% at 50% 50%);
  transition: clip-path 0.1s linear;
  background: var(--bg-dark);
}

.canvas-wrap canvas {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ===== DARK OVERLAY ===== */
.dark-overlay {
  position: fixed;
  inset: 0;
  background: rgba(17, 17, 17, 0.90);
  z-index: 2;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s;
}

/* ===== MARQUEE ===== */
.marquee-wrap {
  position: fixed;
  bottom: 3vh;
  left: 0;
  width: 100%;
  z-index: 3;
  pointer-events: none;
  overflow: hidden;
  opacity: 0;
}

.marquee-text {
  display: inline-block;
  white-space: nowrap;
  font-family: var(--font-display);
  font-size: clamp(6vw, 12vw, 14vw);
  font-weight: 700;
  color: rgba(255,255,255,0.18);
  letter-spacing: 0.02em;
  will-change: transform;
  text-shadow: 0 2px 30px rgba(0,0,0,0.15);
}

/* ===== SCROLL CONTAINER ===== */
#scroll-container {
  position: relative;
  height: 800vh;
  z-index: 4;
}

/* ===== SCROLL SECTIONS ===== */
.scroll-section {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  pointer-events: none;
  opacity: 0;
  z-index: 5;
}

.scroll-section > * {
  pointer-events: auto;
}

/* Legibility over light video */
.scroll-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(0,0,0,0.55) 0%, rgba(0,0,0,0.25) 45%, transparent 60%);
  pointer-events: none;
  z-index: -1;
}

.scroll-section.align-right::before {
  background: linear-gradient(to left, rgba(0,0,0,0.55) 0%, rgba(0,0,0,0.25) 45%, transparent 60%);
}

.align-left {
  padding-left: 5vw;
  padding-right: 55vw;
}

.align-right {
  padding-left: 55vw;
  padding-right: 5vw;
}

.section-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-light);
  margin-bottom: 1rem;
  text-shadow: 0 1px 8px rgba(0,0,0,0.5);
}

.tag-light {
  color: rgba(255,255,255,0.6);
}

.scroll-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 4.5rem);
  font-weight: 700;
  line-height: 1.1;
  color: #fff;
  margin-bottom: 1rem;
  text-shadow: 0 2px 20px rgba(0,0,0,0.6), 0 1px 4px rgba(0,0,0,0.4);
}

.scroll-text {
  font-size: clamp(0.9rem, 1.1vw, 1.05rem);
  font-weight: 400;
  line-height: 1.7;
  color: #fff;
  max-width: 420px;
  text-shadow: 0 1px 10px rgba(0,0,0,0.5), 0 1px 3px rgba(0,0,0,0.3);
}

.scroll-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.5rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-light);
  transition: gap 0.3s;
  text-shadow: 0 1px 8px rgba(0,0,0,0.5);
}

.scroll-cta:hover {
  gap: 0.8rem;
}

/* ===== STATS SECTION (centrado, sobre overlay) ===== */
.stats-section {
  align-items: center;
  text-align: center;
  padding: 0 5vw;
}

.stats-grid {
  display: flex;
  gap: 4rem;
  justify-content: center;
  flex-wrap: wrap;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat-counter {
  font-family: var(--font-display);
  font-size: clamp(3rem, 5vw, 5rem);
  font-weight: 700;
  color: var(--accent-light);
  line-height: 1;
}

.stat-suffix {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3vw, 3rem);
  font-weight: 700;
  color: var(--accent-light);
}

.stat-item .stat-label {
  font-size: 0.8rem;
  font-weight: 400;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.05em;
  margin-top: 0.5rem;
}

/* ===== CTA FINAL ===== */
.scroll-title-cta {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 5rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--text-on-dark);
  margin-bottom: 1rem;
}

.scroll-text-cta {
  font-size: clamp(0.95rem, 1.1vw, 1.1rem);
  font-weight: 300;
  line-height: 1.7;
  color: rgba(240,237,232,0.7);
  max-width: 500px;
  margin: 0 auto 2rem;
}

/* ===== BRIDGE TRANSITION ===== */
.bridge-section {
  position: relative;
  padding: 8rem 0;
  background: linear-gradient(to bottom, var(--bg-dark) 0%, #2a2317 30%, #4a3a28 60%, var(--bg-light) 100%);
  text-align: center;
  overflow: hidden;
}

.bridge-content {
  position: relative;
  z-index: 2;
}

.bridge-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-light);
  margin-bottom: 1.5rem;
}

.bridge-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 700;
  color: var(--text-on-dark);
  margin-bottom: 2rem;
}

.bridge-scroll-hint {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255,255,255,0.5);
  font-size: 1.5rem;
  animation: bridgeBounce 2s infinite;
}

@keyframes bridgeBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(10px); }
}

/* ================================================
   TRADITIONAL SECTIONS (below scroll experience)
   ================================================ */

/* ===== SERVICES ===== */
.services {
  padding: 8rem 0;
  background: var(--bg-light);
}

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

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 700;
  color: var(--text-on-light);
  margin-top: 0.5rem;
}

.section-subtitle {
  margin-top: 0.75rem;
  color: #666;
  font-weight: 300;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.service-card {
  background: #fff;
  padding: 2.5rem 2rem;
  border-radius: 16px;
  position: relative;
  transition: transform 0.4s var(--ease-out), box-shadow 0.4s;
  border: 1px solid rgba(0,0,0,0.05);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 50px rgba(0,0,0,0.08);
}

.service-card.featured {
  background: var(--bg-dark);
  color: var(--text-on-dark);
  border-color: transparent;
}

.service-badge {
  position: absolute;
  top: -12px;
  right: 20px;
  background: var(--accent);
  color: #fff;
  padding: 0.35rem 1rem;
  border-radius: 100px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.05em;
}

.service-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  background: rgba(139, 111, 71, 0.1);
  color: var(--accent);
}

.featured .service-icon {
  background: rgba(196, 162, 110, 0.15);
  color: var(--accent-light);
}

.service-card h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.service-card p {
  font-size: 0.9rem;
  line-height: 1.6;
  opacity: 0.75;
  margin-bottom: 1.25rem;
}

.service-list {
  list-style: none;
}

.service-list li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  padding: 0.35rem 0;
  opacity: 0.8;
}

.service-list i {
  color: var(--accent);
  font-size: 0.9rem;
}

/* ===== ABOUT ===== */
.about {
  padding: 8rem 0;
  background: #fff;
}

.about-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-img-wrapper {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
}

.about-img-wrapper img {
  width: 100%;
  height: 500px;
  object-fit: cover;
}

.about-img-decoration {
  position: absolute;
  inset: 0;
  border: 2px solid var(--accent);
  border-radius: 20px;
  transform: translate(12px, 12px);
  z-index: -1;
}

.about-float-card {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: var(--accent);
  color: #fff;
  padding: 1rem 1.5rem;
  border-radius: 14px;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  box-shadow: 0 10px 30px rgba(139,111,71,0.3);
}

.about-float-card i {
  font-size: 1.5rem;
}

.about-float-card strong {
  display: block;
  font-size: 0.85rem;
}

.about-float-card span {
  font-size: 0.75rem;
  opacity: 0.85;
}

.about-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3vw, 2.5rem);
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.about-text {
  font-size: 0.95rem;
  line-height: 1.7;
  color: #555;
  margin-bottom: 1rem;
}

.about-credentials {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin: 2rem 0;
}

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

.credential i {
  font-size: 1.3rem;
  color: var(--accent);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(139,111,71,0.08);
  border-radius: 10px;
  flex-shrink: 0;
}

.credential strong {
  display: block;
  font-size: 0.9rem;
}

.credential span {
  font-size: 0.8rem;
  color: #888;
}

.about-skills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.skill-tag {
  padding: 0.4rem 1rem;
  border-radius: 100px;
  font-size: 0.78rem;
  font-weight: 500;
  background: rgba(139,111,71,0.08);
  color: var(--accent);
  border: 1px solid rgba(139,111,71,0.15);
}

/* ===== IMC CALCULATOR ===== */
.imc-calculator {
  padding: 6rem 0;
  background: var(--bg-light);
}

.calculator-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
  background: #fff;
  padding: 3rem;
  border-radius: 20px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.04);
}

.calculator-content h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 2.5vw, 2.2rem);
  margin-bottom: 0.75rem;
}

.calculator-content p {
  color: #666;
  font-size: 0.95rem;
}

.calculator-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.input-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  margin-bottom: 0.3rem;
  color: #555;
}

.input-group input,
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1px solid #e0e0e0;
  border-radius: 10px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  transition: border-color 0.3s;
  background: #fff;
  color: var(--text-on-light);
}

.input-group input:focus,
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.imc-result {
  display: none;
  padding: 1.5rem;
  background: rgba(139,111,71,0.05);
  border-radius: 12px;
  margin-top: 0.5rem;
}

.imc-result.show {
  display: block;
}

.imc-result .value {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.imc-result .interpretation {
  font-size: 0.9rem;
  line-height: 1.6;
  color: #555;
}

/* ===== TESTIMONIALS ===== */
.testimonials {
  padding: 8rem 0;
  background: #fff;
}

.testimonials-slider {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.testimonial-card {
  background: var(--bg-light);
  padding: 2rem;
  border-radius: 16px;
  transition: transform 0.4s var(--ease-out);
}

.testimonial-card:hover {
  transform: translateY(-4px);
}

.testimonial-stars {
  color: #f4a940;
  font-size: 0.9rem;
  margin-bottom: 1rem;
  display: flex;
  gap: 2px;
}

.testimonial-card p {
  font-size: 0.9rem;
  line-height: 1.7;
  color: #555;
  margin-bottom: 1.5rem;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.author-avatar img {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
}

.testimonial-author strong {
  display: block;
  font-size: 0.9rem;
}

.testimonial-author span {
  font-size: 0.75rem;
  color: #999;
}

/* ===== CONTACT ===== */
.contact {
  padding: 8rem 0;
  background: var(--bg-light);
}

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

.contact-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3vw, 2.5rem);
  font-weight: 700;
  margin-bottom: 1rem;
}

.contact-text {
  color: #666;
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 2rem;
}

.contact-options {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2rem;
}

.contact-option {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background: #fff;
  border-radius: 12px;
  transition: all 0.3s;
  border: 1px solid rgba(0,0,0,0.04);
}

.contact-option:hover {
  transform: translateX(4px);
  box-shadow: 0 4px 15px rgba(0,0,0,0.06);
}

.contact-option > i:first-child {
  font-size: 1.3rem;
  color: var(--accent);
}

.contact-option > i:last-child {
  margin-left: auto;
  opacity: 0.3;
}

.contact-option strong {
  display: block;
  font-size: 0.9rem;
}

.contact-option span {
  font-size: 0.8rem;
  color: #888;
}

.contact-social {
  display: flex;
  gap: 1rem;
}

.contact-social a {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--text-on-light);
  transition: all 0.3s;
  border: 1px solid rgba(0,0,0,0.06);
}

.contact-social a:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.contact-form {
  background: #fff;
  padding: 2.5rem;
  border-radius: 20px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.04);
}

.contact-form h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  margin-bottom: 1.5rem;
}

.form-group {
  margin-bottom: 1rem;
}

/* ===== WHATSAPP FLOAT ===== */
.whatsapp-float {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 900;
}

.whatsapp-float a {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25D366;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
  transition: transform 0.3s, box-shadow 0.3s;
}

.whatsapp-float a:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 25px rgba(37, 211, 102, 0.5);
}

/* ===== FOOTER ===== */
.footer {
  background: var(--bg-dark);
  color: var(--text-on-dark);
  padding: 4rem 0 2rem;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand p {
  margin-top: 1rem;
  font-size: 0.85rem;
  opacity: 0.6;
  line-height: 1.6;
}

.footer-logo .logo-img {
  height: 40px;
  filter: brightness(0) invert(1);
}

.footer-links h4,
.footer-contact h4 {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.footer-links a {
  display: block;
  font-size: 0.85rem;
  opacity: 0.6;
  padding: 0.3rem 0;
  transition: opacity 0.3s;
}

.footer-links a:hover {
  opacity: 1;
  color: var(--accent-light);
}

.footer-contact p {
  font-size: 0.85rem;
  opacity: 0.6;
  padding: 0.3rem 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-bottom p {
  font-size: 0.8rem;
  opacity: 0.4;
}

.smartizable-branding {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1.2rem;
  border-radius: 100px;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.5);
  transition: all 0.4s ease;
  text-decoration: none;
}

.smartizable-branding:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(128, 90, 213, 0.15);
}

.brand-text {
  font-weight: 400;
  letter-spacing: 0.03em;
}

.brand-heart {
  font-size: 0.85rem;
  display: inline-block;
  animation: heartPulse 2s infinite ease-in-out;
}

@keyframes heartPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.2); }
}

.brand-name {
  font-family: 'Dancing Script', cursive;
  font-size: 1rem;
  font-weight: 700;
  background: linear-gradient(135deg, #9b59b6, #8e44ad, #6c5ce7, #4a90e2);
  background-size: 200% 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradientShift 4s ease infinite;
}

@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* ================================================
   RESPONSIVE
   ================================================ */
@media (max-width: 1024px) {
  .about-container {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .about-img-wrapper img {
    height: 400px;
  }
  .contact-wrapper {
    grid-template-columns: 1fr;
  }
  .calculator-wrapper {
    grid-template-columns: 1fr;
  }
  .footer-content {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(17,17,17,0.98);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2rem;
  }

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

  .nav-links a {
    font-size: 1.2rem;
  }

  .nav-cta {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

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

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

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

  /* Hero mobile */
  .hero-content {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
    text-align: center;
  }

  .hero-buttons {
    justify-content: center;
    flex-direction: column;
  }

  /* Scroll sections mobile */
  #scroll-container {
    height: 550vh;
  }

  .align-left,
  .align-right {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
    text-align: center;
  }

  .scroll-text {
    margin: 0 auto;
  }

  .scroll-section {
    background: rgba(17,17,17,0.5);
  }

  .stats-grid {
    gap: 2rem;
  }

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

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

  .footer-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}