/* ═══════════════════════════════════════════════════════ */
/* DESIGN SYSTEM & CONSTANTS                               */
/* ═══════════════════════════════════════════════════════ */

:root {
  --bg-primary: #05050C;
  --bg-secondary: #0A0A15;
  --bg-tertiary: #101026;
  --fg-primary: #FFFFFF;
  --fg-secondary: #8E93B0;
  
  /* Gradient: Blue (#0A84FF) -> Cyan (#32D7FF) */
  --grad-start: #0A84FF;
  --grad-end: #32D7FF;
  --accent-blue: #0A84FF;
  --accent-cyan: #32D7FF;
  
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  --glow-glow: 0 0 40px rgba(10, 132, 255, 0.15);
  --glass-bg: rgba(255, 255, 255, 0.03);
  --glass-border: rgba(255, 255, 255, 0.06);
}

/* ═══════════════════════════════════════════════════════ */
/* RESET & FOUNDATIONS                                     */
/* ═══════════════════════════════════════════════════════ */

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

html {
  scroll-behavior: smooth;
  background-color: var(--bg-primary);
  color: var(--fg-primary);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  overflow-x: hidden;
}

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

button {
  background: none;
  border: none;
  font: inherit;
  cursor: pointer;
}

/* ═══════════════════════════════════════════════════════ */
/* REVEAL ANIMATION                                        */
/* ═══════════════════════════════════════════════════════ */

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 1.2s cubic-bezier(0.16, 1, 0.3, 1), transform 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* ═══════════════════════════════════════════════════════ */
/* NAVIGATION                                              */
/* ═══════════════════════════════════════════════════════ */

.sf-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 80px;
  background: rgba(5, 5, 12, 0.6);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  z-index: 1000;
  transition: background 0.3s ease;
}

.sf-nav__back {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  color: var(--fg-secondary);
  transition: all 0.3s ease;
}

.sf-nav__back:hover {
  color: var(--fg-primary);
  border-color: rgba(255, 255, 255, 0.2);
  transform: scale(1.05);
}

.sf-nav__logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.5px;
}

.sf-nav__logo img {
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(10, 132, 255, 0.2);
}

.sf-nav__links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.sf-nav__links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--fg-secondary);
  transition: color 0.3s ease;
}

.sf-nav__links a:hover {
  color: var(--fg-primary);
}

.sf-nav__cta {
  background: linear-gradient(135deg, var(--grad-start), var(--grad-end));
  padding: 10px 20px;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 600;
  box-shadow: 0 4px 15px rgba(10, 132, 255, 0.3);
  transition: all 0.3s ease;
}

.sf-nav__cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(10, 132, 255, 0.5);
}

/* ═══════════════════════════════════════════════════════ */
/* HERO SECTION                                            */
/* ═══════════════════════════════════════════════════════ */

.sf-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 160px 20px 80px 20px;
  overflow: hidden;
}

.sf-hero__bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
}

.sf-hero__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(140px);
  opacity: 0.45;
  mix-blend-mode: screen;
}

.sf-hero__glow--1 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--accent-blue) 0%, transparent 70%);
  top: -150px;
  left: 10%;
  animation: floatGlow 12s infinite alternate ease-in-out;
}

.sf-hero__glow--2 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-cyan) 0%, transparent 70%);
  bottom: -100px;
  right: 10%;
  animation: floatGlow 15s infinite alternate-reverse ease-in-out;
}

.sf-hero__glow--3 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, #7000FF 0%, transparent 70%);
  top: 40%;
  left: 35%;
  opacity: 0.25;
}

.sf-hero__grid-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
  background-size: 50px 50px;
  background-position: center center;
}

.sf-hero__content {
  position: relative;
  z-index: 2;
  max-width: 900px;
}

.sf-hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 4.5rem;
  line-height: 1.1;
  letter-spacing: -2px;
  margin-bottom: 24px;
}

.sf-hero__title--glow {
  background: linear-gradient(to right, var(--grad-start), var(--grad-end));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
  position: relative;
}

.sf-hero__title--glow::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 8px;
  height: 2px;
  background: linear-gradient(to right, var(--grad-start), var(--grad-end));
  opacity: 0.5;
  filter: blur(2px);
}

.sf-hero__subtitle {
  font-size: 1.35rem;
  color: var(--fg-secondary);
  max-width: 650px;
  margin: 0 auto 40px auto;
  line-height: 1.5;
}

.sf-hero__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  margin-bottom: 60px;
}

.sf-store-badge {
  display: inline-block;
  transition: transform 0.3s ease;
}

.sf-store-badge:hover {
  transform: translateY(-2px) scale(1.02);
}

.sf-hero__preview-link {
  display: flex;
  align-items: center;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--fg-primary);
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  padding: 12px 24px;
  border-radius: 20px;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
}

.sf-hero__preview-link:hover {
  border-color: rgba(255, 255, 255, 0.25);
  background: rgba(255, 255, 255, 0.08);
}

/* ═══════════════════════════════════════════════════════ */
/* PHONE MOCKUP                                            */
/* ═══════════════════════════════════════════════════════ */

.sf-hero__mockup-container {
  margin-top: 40px;
  perspective: 1000px;
}

.sf-phone-mockup {
  position: relative;
  width: 320px;
  height: 640px;
  margin: 0 auto;
  transform: rotateX(10deg) rotateY(0deg);
  transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.sf-phone-mockup:hover {
  transform: rotateX(5deg) rotateY(-2deg) translateY(-10px);
}

.sf-phone-mockup__glow {
  position: absolute;
  top: -10%;
  left: -10%;
  width: 120%;
  height: 120%;
  background: radial-gradient(circle, rgba(10, 132, 255, 0.25) 0%, transparent 60%);
  filter: blur(40px);
  z-index: 1;
  pointer-events: none;
}

.sf-phone-mockup__border {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #1C1C1E;
  border-radius: 40px;
  padding: 12px;
  box-shadow: 
    0 25px 50px -12px rgba(0, 0, 0, 0.8),
    0 0 0 1px rgba(255, 255, 255, 0.15) inset;
  z-index: 2;
}

.sf-phone-mockup__screen {
  width: 100%;
  height: 100%;
  border-radius: 30px;
  overflow: hidden;
  background: #000;
  position: relative;
}

.sf-phone-mockup__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 30px;
}

/* ═══════════════════════════════════════════════════════ */
/* GENERAL SECTIONS                                        */
/* ═══════════════════════════════════════════════════════ */

.sf-section {
  padding: 120px 20px;
  position: relative;
}

.sf-section__inner {
  max-width: 1200px;
  margin: 0 auto;
}

.sf-section__header {
  text-align: center;
  max-width: 750px;
  margin: 0 auto 80px auto;
}

.sf-section__label {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--accent-cyan);
  display: inline-block;
  margin-bottom: 16px;
  background: linear-gradient(135deg, var(--grad-start), var(--grad-end));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.sf-section__title {
  font-family: var(--font-display);
  font-size: 2.85rem;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 20px;
  line-height: 1.2;
}

.sf-section__desc {
  font-size: 1.15rem;
  color: var(--fg-secondary);
  line-height: 1.6;
}

/* ═══════════════════════════════════════════════════════ */
/* FEATURES SECTION                                        */
/* ═══════════════════════════════════════════════════════ */

.sf-features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.sf-feature-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 480px;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
}

.sf-feature-card:hover {
  transform: translateY(-8px);
  border-color: rgba(10, 132, 255, 0.3);
  box-shadow: 
    0 20px 40px -15px rgba(0, 0, 0, 0.7),
    0 0 30px rgba(10, 132, 255, 0.1);
}

.sf-feature-card__content {
  padding: 40px;
}

.sf-feature-card__icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(10, 132, 255, 0.1);
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.sf-feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}

.sf-feature-card p {
  font-size: 0.95rem;
  color: var(--fg-secondary);
  line-height: 1.5;
}

.sf-feature-card__preview {
  margin-top: auto;
  height: 220px;
  overflow: hidden;
  position: relative;
  display: flex;
  justify-content: center;
}

.sf-feature-card__preview img {
  width: 85%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  border-radius: 16px 16px 0 0;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: none;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.sf-feature-card:hover .sf-feature-card__preview img {
  transform: translateY(-5px) scale(1.02);
}

/* ═══════════════════════════════════════════════════════ */
/* PREVIEW / SCREENSHOTS SECTION                           */
/* ═══════════════════════════════════════════════════════ */

.sf-preview {
  background: var(--bg-secondary);
  overflow: hidden;
}

.sf-preview__slider-container {
  width: 100vw;
  position: relative;
  left: 50%;
  right: 50%;
  margin-left: -50vw;
  margin-right: -50vw;
  padding: 40px 0;
  cursor: grab;
}

.sf-preview__slider-container:active {
  cursor: grabbing;
}

.sf-preview__slider {
  display: flex;
  gap: 40px;
  padding: 0 80px;
  width: max-content;
}

.sf-preview__slide {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  user-select: none;
}

.sf-preview__phone {
  width: 270px;
  height: 540px;
  border-radius: 36px;
  overflow: hidden;
  box-shadow: 
    0 30px 60px -15px rgba(0, 0, 0, 0.9),
    0 0 0 1px rgba(255, 255, 255, 0.1);
  transition: transform 0.5s ease, box-shadow 0.5s ease;
  position: relative;
  background: #000;
}

.sf-preview__phone::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 36px;
  box-shadow: 0 0 20px rgba(10, 132, 255, 0) inset;
  transition: box-shadow 0.5s ease;
  pointer-events: none;
}

.sf-preview__slide:hover .sf-preview__phone {
  transform: translateY(-10px) scale(1.02);
  box-shadow: 
    0 40px 80px -20px rgba(0, 0, 0, 0.95),
    0 0 30px rgba(10, 132, 255, 0.2);
}

.sf-preview__slide:hover .sf-preview__phone::after {
  box-shadow: 0 0 30px rgba(10, 132, 255, 0.25) inset;
}

.sf-preview__phone img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
}

.sf-preview__caption {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--fg-primary);
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

/* ═══════════════════════════════════════════════════════ */
/* WHY SCANFLOW SECTION                                    */
/* ═══════════════════════════════════════════════════════ */

.sf-why__grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 80px;
  align-items: center;
}

.sf-why__left .sf-section__title {
  text-align: left;
}

.sf-why__desc {
  font-size: 1.2rem;
  color: var(--fg-secondary);
  line-height: 1.6;
}

.sf-why__right {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.sf-why-item h4 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--fg-primary);
}

.sf-why-item p {
  font-size: 0.95rem;
  color: var(--fg-secondary);
  line-height: 1.5;
}

/* ═══════════════════════════════════════════════════════ */
/* PREMIUM / PRICING SECTION                               */
/* ═══════════════════════════════════════════════════════ */

.sf-premium__grid {
  display: flex;
  justify-content: center;
  gap: 40px;
  max-width: 900px;
  margin: 0 auto;
}

.sf-premium__card {
  flex: 1;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 28px;
  padding: 50px 40px;
  display: flex;
  flex-direction: column;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
}

.sf-premium__card:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 255, 255, 0.15);
}

.sf-premium__card--pro {
  background: linear-gradient(180deg, rgba(10, 132, 255, 0.08) 0%, rgba(5, 5, 12, 0.4) 100%);
  border-color: rgba(10, 132, 255, 0.25);
  box-shadow: 0 20px 50px -10px rgba(10, 132, 255, 0.15);
}

.sf-premium__card--pro:hover {
  border-color: rgba(10, 132, 255, 0.45);
  box-shadow: 0 30px 60px -10px rgba(10, 132, 255, 0.25);
}

.sf-premium__badge {
  position: absolute;
  top: 24px;
  right: 28px;
  background: linear-gradient(135deg, var(--grad-start), var(--grad-end));
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 4px 12px;
  border-radius: 12px;
}

.sf-premium__card-header h3 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 16px;
}

.sf-premium__price {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 900;
  letter-spacing: -1.5px;
  margin-bottom: 30px;
}

.sf-premium__price span {
  font-size: 1rem;
  color: var(--fg-secondary);
  font-weight: 500;
  letter-spacing: 0;
}

.sf-premium__features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 40px;
}

.sf-premium__features li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.95rem;
  color: var(--fg-primary);
}

.sf-premium__features li.disabled {
  color: var(--fg-secondary);
  opacity: 0.5;
}

.check-icon {
  width: 18px;
  height: 18px;
  color: var(--accent-cyan);
}

.cross-icon {
  width: 18px;
  height: 18px;
  color: #FF453A;
}

.sf-premium__btn {
  display: block;
  text-align: center;
  padding: 14px 28px;
  border-radius: 20px;
  font-size: 0.95rem;
  font-weight: 700;
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  transition: all 0.3s ease;
  margin-top: auto;
}

.sf-premium__btn:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
}

.sf-premium__btn--pro {
  background: linear-gradient(135deg, var(--grad-start), var(--grad-end));
  border: none;
  box-shadow: 0 4px 15px rgba(10, 132, 255, 0.25);
  color: #FFF;
}

.sf-premium__btn--pro:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(10, 132, 255, 0.45);
}

/* ═══════════════════════════════════════════════════════ */
/* TESTIMONIALS                                            */
/* ═══════════════════════════════════════════════════════ */

.sf-testimonials {
  background: var(--bg-secondary);
}

.sf-testimonials__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.sf-testimonial-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: 40px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 280px;
  transition: all 0.3s ease;
}

.sf-testimonial-card:hover {
  border-color: rgba(10, 132, 255, 0.25);
}

.sf-testimonial-card__text {
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--fg-primary);
  font-style: italic;
  margin-bottom: 30px;
}

.sf-testimonial-card__author {
  display: flex;
  align-items: center;
  gap: 16px;
}

.sf-testimonial-card__avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--grad-start), var(--grad-end));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  color: #FFF;
}

.sf-testimonial-card__author h5 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--fg-primary);
}

.sf-testimonial-card__author span {
  font-size: 0.8rem;
  color: var(--fg-secondary);
}

/* ═══════════════════════════════════════════════════════ */
/* FINAL CTA / DOWNLOAD                                    */
/* ═══════════════════════════════════════════════════════ */

.sf-download {
  position: relative;
  overflow: hidden;
  padding: 160px 20px;
  text-align: center;
}

.sf-download__bg {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.sf-download__glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.35;
}

.sf-download__glow--1 {
  width: 450px;
  height: 450px;
  background: radial-gradient(circle, var(--accent-blue) 0%, transparent 70%);
  top: -100px;
  left: 20%;
}

.sf-download__glow--2 {
  width: 450px;
  height: 450px;
  background: radial-gradient(circle, var(--accent-cyan) 0%, transparent 70%);
  bottom: -100px;
  right: 20%;
}

.sf-download__content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  margin: 0 auto;
}

.sf-download__title {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 900;
  letter-spacing: -1.5px;
  margin-bottom: 24px;
  line-height: 1.2;
}

.sf-download__desc {
  font-size: 1.25rem;
  color: var(--fg-secondary);
  margin-bottom: 40px;
}

.sf-download__actions {
  display: flex;
  justify-content: center;
}

.sf-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 16px 36px;
  border-radius: 28px;
  font-weight: 700;
  font-size: 1rem;
  transition: all 0.3s ease;
}

.sf-btn--primary {
  background: linear-gradient(135deg, var(--grad-start), var(--grad-end));
  color: #FFF;
  box-shadow: 0 4px 20px rgba(10, 132, 255, 0.4);
}

.sf-btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(10, 132, 255, 0.6);
}

/* ═══════════════════════════════════════════════════════ */
/* FOOTER                                                  */
/* ═══════════════════════════════════════════════════════ */

.sf-footer {
  border-top: 1px solid var(--glass-border);
  padding: 80px 20px;
  background: #030308;
}

.sf-footer__inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 40px;
}

.sf-footer__brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 800;
}

.sf-footer__brand img {
  border-radius: 8px;
}

.sf-footer__links {
  display: flex;
  gap: 40px;
}

.sf-footer__links a {
  font-size: 0.95rem;
  color: var(--fg-secondary);
  transition: color 0.3s ease;
}

.sf-footer__links a:hover {
  color: var(--fg-primary);
}

.sf-footer__copy {
  text-align: center;
  font-size: 0.85rem;
  color: var(--fg-secondary);
  line-height: 1.6;
}

.sf-footer__back {
  display: inline-block;
  margin-top: 12px;
  color: var(--accent-cyan);
  font-weight: 500;
  transition: opacity 0.3s ease;
}

.sf-footer__back:hover {
  opacity: 0.8;
}

/* ═══════════════════════════════════════════════════════ */
/* KEYFRAMES & RESPONSIVE LAYOUTS                          */
/* ═══════════════════════════════════════════════════════ */

@keyframes floatGlow {
  0% { transform: translateY(0) scale(1); }
  100% { transform: translateY(40px) scale(1.1); }
}

@media (max-width: 1024px) {
  .sf-features__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .sf-testimonials__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .sf-why__grid {
    grid-template-columns: 1fr;
    gap: 60px;
  }
  .sf-hero__title {
    font-size: 3.5rem;
  }
}

@media (max-width: 768px) {
  .sf-nav__links {
    display: none;
  }
  .sf-features__grid {
    grid-template-columns: 1fr;
  }
  .sf-testimonials__grid {
    grid-template-columns: 1fr;
  }
  .sf-premium__grid {
    flex-direction: column;
    align-items: center;
  }
  .sf-premium__card {
    width: 100%;
    max-width: 400px;
  }
  .sf-hero__title {
    font-size: 2.8rem;
  }
  .sf-hero__subtitle {
    font-size: 1.1rem;
  }
  .sf-hero__actions {
    flex-direction: column;
  }
  .sf-section__title {
    font-size: 2.2rem;
  }
  .sf-download__title {
    font-size: 2.5rem;
  }
}