/* ===== GOOGLE FONTS ===== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ===== CSS VARIABLES ===== */
:root {
  /* Colors */
  --primary-color: hsl(330, 85%, 65%);
  --primary-alt: hsl(330, 85%, 60%);
  --secondary-color: hsl(280, 85%, 70%);
  --accent-color: hsl(200, 100%, 70%);
  --success-color: hsl(120, 60%, 50%);
  --warning-color: hsl(35, 100%, 55%);
  --error-color: hsl(0, 75%, 60%);
  
  /* Text Colors */
  --title-color: hsl(230, 30%, 10%);
  --text-color: hsl(230, 15%, 35%);
  --text-color-light: hsl(230, 10%, 60%);
  --body-color: hsl(230, 100%, 99%);
  --container-color: hsl(0, 0%, 100%);
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  --gradient-accent: linear-gradient(135deg, var(--accent-color), var(--primary-color));
  --gradient-soft: linear-gradient(135deg, hsl(330, 85%, 97%), hsl(280, 85%, 97%));
  --gradient-hero: linear-gradient(135deg, rgba(255,255,255,0.9) 0%, rgba(330, 85%, 97%, 0.3) 100%);
  
  /* Typography */
  --body-font: 'Inter', sans-serif;
  --biggest-font-size: 3rem;
  --h1-font-size: 2.25rem;
  --h2-font-size: 1.75rem;
  --h3-font-size: 1.25rem;
  --normal-font-size: 1rem;
  --small-font-size: 0.875rem;
  --smaller-font-size: 0.813rem;
  
  /* Font Weight */
  --font-light: 300;
  --font-regular: 400;
  --font-medium: 500;
  --font-semi-bold: 600;
  --font-bold: 700;
  --font-extra-bold: 800;
  
  /* Margins */
  --mb-0-25: 0.25rem;
  --mb-0-5: 0.5rem;
  --mb-0-75: 0.75rem;
  --mb-1: 1rem;
  --mb-1-25: 1.25rem;
  --mb-1-5: 1.5rem;
  --mb-2: 2rem;
  --mb-2-5: 2.5rem;
  --mb-3: 3rem;
  
  /* Z-index */
  --z-tooltip: 10;
  --z-fixed: 100;
  --z-modal: 1000;
  
  /* Shadows */
  --shadow-light: 0 2px 12px hsla(230, 15%, 15%, 0.1);
  --shadow-medium: 0 4px 24px hsla(230, 15%, 15%, 0.15);
  --shadow-strong: 0 8px 32px hsla(230, 15%, 15%, 0.25);
  
  /* Border Radius */
  --border-radius: 1rem;
  --border-radius-lg: 1.5rem;
  --border-radius-xl: 2rem;
  
  /* Transitions */
  --transition: all 0.3s ease;
  --transition-fast: all 0.2s ease;
  --transition-slow: all 0.5s ease;
}

/* ===== DARK MODE VARIABLES ===== */
body.dark-theme {
  --title-color: hsl(230, 30%, 95%);
  --text-color: hsl(230, 15%, 75%);
  --text-color-light: hsl(230, 10%, 60%);
  --body-color: hsl(230, 30%, 8%);
  --container-color: hsl(230, 30%, 12%);
}

/* ===== BASE ===== */
* {
  box-sizing: border-box;
  padding: 0;
  margin: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--body-font);
  font-size: var(--normal-font-size);
  font-weight: var(--font-regular);
  background-color: var(--body-color);
  color: var(--text-color);
  line-height: 1.6;
  transition: var(--transition);
}

h1, h2, h3, h4 {
  color: var(--title-color);
  font-weight: var(--font-semi-bold);
  line-height: 1.2;
}

ul {
  list-style: none;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

img {
  max-width: 100%;
  height: auto;
}

button {
  cursor: pointer;
  border: none;
  outline: none;
  background: transparent;
  font-family: inherit;
  transition: var(--transition);
}

/* ===== REUSABLE CSS CLASSES ===== */
.container {
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1rem;
  padding-right: 1rem;
}

.section {
  padding: 6rem 0 4rem;
}

.section__header {
  text-align: center;
  margin-bottom: var(--mb-3);
}

.section__subtitle {
  display: inline-block;
  font-size: var(--small-font-size);
  font-weight: var(--font-semi-bold);
  color: var(--primary-color);
  background: var(--gradient-soft);
  padding: 0.5rem 1rem;
  border-radius: 2rem;
  margin-bottom: var(--mb-1);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.section__title {
  font-size: var(--h1-font-size);
  font-weight: var(--font-bold);
  margin-bottom: var(--mb-1);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section__description {
  max-width: 600px;
  margin: 0 auto;
  color: var(--text-color-light);
  line-height: 1.7;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  border-radius: var(--border-radius);
  font-weight: var(--font-medium);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transition: var(--transition-slow);
}

.btn:hover::before {
  left: 100%;
}

.btn--primary {
  background: var(--gradient-primary);
  color: white;
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
}

.btn--outline {
  border-color: var(--primary-color);
  color: var(--primary-color);
}

.btn--outline:hover {
  background: var(--gradient-primary);
  color: white;
  transform: translateY(-2px);
}

/* ===== HEADER & NAVIGATION ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  z-index: var(--z-fixed);
  transition: var(--transition);
}

.header.scroll-header {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-light);
}

.nav {
  height: 4.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: var(--font-bold);
  color: var(--title-color);
}

.nav__logo-icon {
  width: 32px;
  height: 32px;
  object-fit: contain;
}

.nav__list {
  display: flex;
  gap: 2rem;
}

.nav__link {
  font-weight: var(--font-medium);
  position: relative;
  transition: var(--transition);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -0.5rem;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: var(--transition);
}

.nav__link:hover::after,
.nav__link.active-link::after {
  width: 100%;
}

.nav__link:hover,
.nav__link.active-link {
  color: var(--primary-color);
}

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

.nav__cta-btn {
  background: var(--gradient-primary);
  color: white;
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius);
  font-weight: var(--font-medium);
  transition: var(--transition);
}

.nav__cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
}

.nav__toggle,
.nav__close {
  display: none;
  font-size: 1.25rem;
  cursor: pointer;
}

/* ===== HERO SECTION ===== */
.hero {
  padding-top: 8rem;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--body-color) 0%, hsl(330, 85%, 98%) 50%, hsl(280, 85%, 98%) 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="dots" x="0" y="0" width="12" height="12" patternUnits="userSpaceOnUse"><circle cx="6" cy="6" r="1.5" fill="%23E91E63" opacity="0.08"/></pattern></defs><rect width="100" height="100" fill="url(%23dots)"/></svg>') repeat;
  opacity: 0.4;
}

.hero__container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero__title {
  font-size: var(--biggest-font-size);
  font-weight: var(--font-extra-bold);
  margin-bottom: var(--mb-1-5);
  line-height: 1.1;
}

.hero__title-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__description {
  font-size: 1.125rem;
  color: var(--text-color-light);
  margin-bottom: var(--mb-2-5);
  line-height: 1.7;
}

.hero__actions {
  display: flex;
  gap: 1rem;
  margin-bottom: var(--mb-3);
}

.hero__stats {
  display: flex;
  gap: 2rem;
}

.hero__stat {
  text-align: center;
}

.hero__stat-number {
  display: block;
  font-size: 1.5rem;
  font-weight: var(--font-bold);
  color: var(--primary-color);
}

.hero__stat-label {
  font-size: var(--small-font-size);
  color: var(--text-color-light);
}

.hero__image {
  position: relative;
  display: flex;
  justify-content: center;
}

.hero__phone {
  position: relative;
  max-width: 300px;
}

.hero__phone-img {
  filter: drop-shadow(0 25px 50px rgba(0, 0, 0, 0.15));
  transition: var(--transition);
}

.hero__phone:hover .hero__phone-img {
  transform: scale(1.05) rotate(-2deg);
}

.hero__floating-elements {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.floating-element {
  position: absolute;
  width: 70px;
  height: 70px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.5rem;
  animation: float 4s ease-in-out infinite;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  backdrop-filter: blur(10px);
}

.floating-element--1 {
  top: 10%;
  right: -10%;
  animation-delay: 0s;
}

.floating-element--2 {
  bottom: 30%;
  left: -15%;
  animation-delay: 1s;
}

.floating-element--3 {
  top: 60%;
  right: -5%;
  animation-delay: 2s;
}

@keyframes float {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(5deg); }
}

/* ===== FEATURES SECTION ===== */
.features {
  background: var(--container-color);
}

.features__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  margin-top: var(--mb-3);
}

.feature-card {
  background: var(--container-color);
  padding: 2rem;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-light);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--gradient-primary);
}

.feature-card:hover {
  transform: translateY(-10px) scale(1.02);
  box-shadow: var(--shadow-strong);
  border-color: rgba(var(--primary-color), 0.2);
}

.feature-card__screenshot {
  width: 100%;
  height: 200px;
  border-radius: var(--border-radius);
  overflow: hidden;
  margin-bottom: var(--mb-1);
  box-shadow: var(--shadow-light);
}

.feature-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.feature-card:hover .feature-card__image {
  transform: scale(1.05);
}

.feature-card__icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: white;
  margin-bottom: var(--mb-1);
}

.feature-card__icon--blue {
  background: linear-gradient(135deg, #667eea, #764ba2);
}

.feature-card__icon--green {
  background: linear-gradient(135deg, #11998e, #38ef7d);
}

.feature-card__icon--purple {
  background: linear-gradient(135deg, #667eea, #764ba2);
}

.feature-card__icon--orange {
  background: linear-gradient(135deg, #ff9a9e, #fecfef);
}

.feature-card__icon--pink {
  background: linear-gradient(135deg, #ff9a9e, #fad0c4);
}

.feature-card__icon--teal {
  background: linear-gradient(135deg, #a8edea, #fed6e3);
}

.feature-card__title {
  font-size: var(--h3-font-size);
  font-weight: var(--font-semi-bold);
  margin-bottom: var(--mb-1);
}

.feature-card__description {
  color: var(--text-color-light);
  margin-bottom: var(--mb-1-5);
  line-height: 1.6;
}

.feature-card__list {
  list-style: none;
}

.feature-card__list li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: var(--mb-0-5);
  font-size: var(--small-font-size);
}

.feature-card__list i {
  color: var(--success-color);
  font-size: 0.875rem;
}

/* ===== ABOUT SECTION ===== */
.about {
  background: var(--gradient-soft);
}

.about__container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about__features {
  margin: var(--mb-2) 0;
}

.about__feature {
  display: flex;
  gap: 1rem;
  margin-bottom: var(--mb-1-5);
}

.about__feature-icon {
  width: 50px;
  height: 50px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  flex-shrink: 0;
}

.about__feature-content h3 {
  font-size: var(--h3-font-size);
  margin-bottom: var(--mb-0-25);
}

.about__feature-content p {
  color: var(--text-color-light);
}

.about__image {
  position: relative;
}

.about__img {
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-medium);
}

.about__stats {
  position: absolute;
  bottom: 2rem;
  right: 2rem;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  padding: 1.5rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-light);
}

.about__stat {
  text-align: center;
  margin-bottom: var(--mb-1);
}

.about__stat:last-child {
  margin-bottom: 0;
}

.about__stat-number {
  display: block;
  font-size: 1.25rem;
  font-weight: var(--font-bold);
  color: var(--primary-color);
}

.about__stat-label {
  font-size: var(--smaller-font-size);
  color: var(--text-color-light);
}

/* ===== TESTIMONIALS SECTION ===== */
.testimonials {
  background: var(--container-color);
}

.testimonials__container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  margin-top: var(--mb-3);
}

.testimonial-card {
  background: var(--container-color);
  padding: 2rem;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-light);
  transition: var(--transition);
  position: relative;
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: -1rem;
  left: 1.5rem;
  font-size: 4rem;
  color: var(--primary-color);
  font-weight: var(--font-bold);
  opacity: 0.3;
}

.testimonial-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-medium);
}

.testimonial-card__rating {
  display: flex;
  gap: 0.25rem;
  margin-bottom: var(--mb-1);
}

.testimonial-card__rating i {
  color: #ffc107;
}

.testimonial-card__text {
  margin-bottom: var(--mb-1-5);
  line-height: 1.7;
  color: var(--text-color);
}

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

.testimonial-card__avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  object-fit: cover;
}

.testimonial-card__name {
  font-size: var(--h3-font-size);
  margin-bottom: var(--mb-0-25);
}

.testimonial-card__role {
  font-size: var(--small-font-size);
  color: var(--text-color-light);
}

/* ===== DOWNLOAD SECTION ===== */
.download {
  background: var(--gradient-soft);
}

.download__container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.download__title {
  font-size: var(--h1-font-size);
  margin-bottom: var(--mb-1);
}

.download__description {
  color: var(--text-color-light);
  margin-bottom: var(--mb-2);
  line-height: 1.7;
}

.download__features {
  margin-bottom: var(--mb-2);
}

.download__feature {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: var(--mb-0-75);
}

.download__feature i {
  color: var(--success-color);
  font-size: 1.25rem;
}

.download__buttons {
  display: flex;
  gap: 1rem;
}

.download__button img {
  height: 60px;
  transition: var(--transition);
}

.download__button:hover img {
  transform: scale(1.05);
}

.download__image {
  position: relative;
  display: flex;
  justify-content: center;
}

.download__phones {
  position: relative;
}

.download__phone {
  max-width: 200px;
}

.download__phone--1 {
  position: relative;
  z-index: 2;
}

.download__phone--2 {
  position: absolute;
  top: 2rem;
  right: -3rem;
  z-index: 1;
}

.download__phone img {
  filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.15));
}

/* ===== CONTACT SECTION ===== */
.contact {
  background: var(--container-color);
}

.contact__container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.contact__info {
  margin: var(--mb-2) 0;
}

.contact__item {
  display: flex;
  gap: 1rem;
  margin-bottom: var(--mb-1-5);
}

.contact__item-icon {
  width: 50px;
  height: 50px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  flex-shrink: 0;
}

.contact__item-content h3 {
  font-size: var(--h3-font-size);
  margin-bottom: var(--mb-0-25);
}

.contact__item-content p {
  color: var(--text-color-light);
}

.contact__social {
  margin-top: var(--mb-2);
}

.contact__social h3 {
  margin-bottom: var(--mb-1);
}

.contact__social-links {
  display: flex;
  gap: 1rem;
}

.contact__social-link {
  width: 50px;
  height: 50px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  transition: var(--transition);
}

.contact__social-link:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-medium);
}

.contact__form {
  background: var(--container-color);
  padding: 2rem;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-light);
}

.contact__form-title {
  font-size: var(--h2-font-size);
  margin-bottom: var(--mb-2);
  text-align: center;
}

.contact__form-group {
  margin-bottom: var(--mb-1-5);
}

.contact__form-input {
  width: 100%;
  padding: 1rem;
  border: 2px solid hsl(230, 15%, 90%);
  border-radius: var(--border-radius);
  font-family: var(--body-font);
  font-size: var(--normal-font-size);
  transition: var(--transition);
  background: var(--container-color);
  color: var(--text-color);
}

.contact__form-input:focus {
  border-color: var(--primary-color);
  outline: none;
}

.contact__form-textarea {
  resize: vertical;
  min-height: 120px;
}

.contact__form-submit {
  width: 100%;
  justify-content: center;
}

/* ===== FOOTER ===== */
.footer {
  background: var(--title-color);
  color: white;
  padding: 4rem 0 2rem;
}

.footer__container {
  display: grid;
  gap: 3rem;
}

.footer__content {
  display: grid;
  grid-template-columns: 1fr 3fr;
  gap: 3rem;
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--h3-font-size);
  font-weight: var(--font-bold);
  margin-bottom: var(--mb-1);
}

.footer__logo-icon {
  width: 24px;
  height: 24px;
  object-fit: contain;
}

.footer__description {
  margin-bottom: var(--mb-2);
  color: hsl(230, 15%, 75%);
  line-height: 1.6;
}

.footer__social {
  display: flex;
  gap: 1rem;
}

.footer__social-link {
  width: 40px;
  height: 40px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  transition: var(--transition);
}

.footer__social-link:hover {
  transform: translateY(-3px);
}

.footer__links {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.footer__title {
  font-size: var(--h3-font-size);
  margin-bottom: var(--mb-1);
}

.footer__list {
  list-style: none;
}

.footer__list li {
  margin-bottom: var(--mb-0-5);
}

.footer__link {
  color: hsl(230, 15%, 75%);
  transition: var(--transition);
}

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

.footer__bottom {
  border-top: 1px solid hsl(230, 15%, 25%);
  padding-top: 2rem;
  text-align: center;
}

.footer__copyright {
  color: hsl(230, 15%, 65%);
  font-size: var(--small-font-size);
}

/* ===== SCROLL TO TOP ===== */
.scroll-top {
  position: fixed;
  right: 2rem;
  bottom: 2rem;
  background: var(--gradient-primary);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.25rem;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: var(--z-tooltip);
}

.scroll-top.show-scroll {
  opacity: 1;
  visibility: visible;
}

.scroll-top:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-medium);
}

/* ===== RESPONSIVE DESIGN ===== */
/* Large devices */
@media screen and (max-width: 1200px) {
  .container {
    max-width: 968px;
  }
}

/* Medium devices */
@media screen and (max-width: 968px) {
  :root {
    --biggest-font-size: 2.5rem;
    --h1-font-size: 2rem;
    --h2-font-size: 1.5rem;
    --h3-font-size: 1.125rem;
  }

  .section {
    padding: 4rem 0 2rem;
  }

  .hero__container,
  .about__container,
  .download__container,
  .contact__container {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .hero {
    padding-top: 6rem;
  }

  .hero__image {
    order: -1;
  }

  .about__image {
    order: -1;
  }

  .features__grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  }

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

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

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

/* Small devices */
@media screen and (max-width: 768px) {
  .nav__menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    transition: var(--transition);
  }

  .nav__menu.show-menu {
    right: 0;
  }

  .nav__list {
    flex-direction: column;
    text-align: center;
    gap: 2rem;
  }

  .nav__link {
    font-size: var(--h3-font-size);
  }

  .nav__close,
  .nav__toggle {
    display: block;
  }

  .nav__close {
    position: absolute;
    top: 2rem;
    right: 2rem;
    font-size: 2rem;
  }

  .hero__actions {
    flex-direction: column;
    align-items: center;
  }

  .hero__stats {
    justify-content: center;
  }

  .download__buttons {
    flex-direction: column;
    align-items: center;
  }

  .download__phone--2 {
    display: none;
  }

  .footer__links {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

/* Extra small devices */
@media screen and (max-width: 576px) {
  .container {
    padding-left: 0.75rem;
    padding-right: 0.75rem;
  }

  :root {
    --biggest-font-size: 2rem;
    --h1-font-size: 1.75rem;
  }

  .section {
    padding: 3rem 0 2rem;
  }

  .hero {
    padding-top: 5rem;
  }

  .feature-card,
  .testimonial-card {
    padding: 1.5rem;
  }

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

  .hero__stats {
    flex-direction: column;
    gap: 1rem;
  }

  .contact__form {
    padding: 1.5rem;
  }

  .scroll-top {
    right: 1rem;
    bottom: 1rem;
    width: 45px;
    height: 45px;
  }
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* ===== UTILITY CLASSES ===== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.m-0 { margin: 0; }
.mb-1 { margin-bottom: var(--mb-1); }
.mb-2 { margin-bottom: var(--mb-2); }
.mb-3 { margin-bottom: var(--mb-3); }

.p-0 { padding: 0; }
.p-1 { padding: var(--mb-1); }
.p-2 { padding: var(--mb-2); }

.d-flex { display: flex; }
.d-grid { display: grid; }
.d-block { display: block; }
.d-inline { display: inline; }
.d-none { display: none; }

.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.align-center { align-items: center; }

.w-100 { width: 100%; }
.h-100 { height: 100%; }