/* === VARIABLES — yasno.live inspired palette === */
:root {
  --primary: #45A7F5;
  --primary-dark: #3291DE;
  --primary-light: #6BBBFA;
  --bg: #FFFFFF;
  --bg-alt: #F0F2F5;
  --bg-warm: #F5F7FA;
  --text: #141414;
  --text-mid: #5A5A5A;
  --text-light: #8A8A8A;
  --white: #FFFFFF;
  --accent: #E8F4FE;
  --border: #E5E8EC;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.06);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.08);
  --shadow-primary: 0 4px 16px rgba(69,167,245,0.3);
}

/* === RESET === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body { font-family: 'Inter', sans-serif; color: var(--text); background: var(--bg); line-height: 1.6; overflow-x: hidden; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; display: block; }

/* === LAYOUT === */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* === ANIMATIONS === */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1); }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-left { opacity: 0; transform: translateX(-40px); transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1); }
.reveal-left.visible { opacity: 1; transform: translateX(0); }
.reveal-right { opacity: 0; transform: translateX(40px); transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1); }
.reveal-right.visible { opacity: 1; transform: translateX(0); }
.reveal-scale { opacity: 0; transform: scale(0.92); transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1); }
.reveal-scale.visible { opacity: 1; transform: scale(1); }
@media (prefers-reduced-motion: reduce) { .reveal, .reveal-left, .reveal-right, .reveal-scale { opacity: 1; transform: none; transition: none; } }

/* === BUTTONS === */
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 16px 32px; border-radius: var(--radius); font-size: 16px; font-weight: 600; cursor: pointer; transition: all 0.3s cubic-bezier(0.22, 1, 0.36, 1); border: none; }
.btn--primary { background: var(--primary); color: var(--white); box-shadow: var(--shadow-primary); }
.btn--primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 6px 24px rgba(69,167,245,0.4); }
.btn--ghost { background: transparent; color: var(--primary); border: 1.5px solid var(--primary); }
.btn--ghost:hover { background: var(--primary); color: var(--white); }
.btn--white { background: var(--white); color: var(--primary); font-size: 18px; padding: 18px 40px; border-radius: var(--radius); box-shadow: var(--shadow-md); }
.btn--white:hover { transform: translateY(-2px) scale(1.02); box-shadow: 0 8px 32px rgba(255,255,255,0.3); }
.btn--sm { padding: 10px 20px; font-size: 14px; background: var(--primary); color: var(--white); border-radius: 10px; }
.btn--sm:hover { background: var(--primary-dark); }

/* === HEADER === */
.header { position: fixed; top: 0; left: 0; right: 0; z-index: 100; background: rgba(255,255,255,0.92); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); transform: translateY(-100%); transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1); box-shadow: 0 1px 12px rgba(0,0,0,0.04); }
.header.visible { transform: translateY(0); }
.header__inner { max-width: 1200px; margin: 0 auto; padding: 14px 24px; display: flex; justify-content: space-between; align-items: center; }
.header__name { font-weight: 600; font-size: 15px; color: var(--text); }
.header__actions { display: flex; gap: 12px; align-items: center; }
.header__link { font-size: 14px; font-weight: 500; color: var(--primary); padding: 10px 16px; border-radius: 10px; transition: background 0.2s; }
.header__link:hover { background: var(--accent); }

/* === HERO === */
.hero { padding: 140px 0 80px; background: var(--bg-alt); position: relative; overflow: hidden; }
.hero::before { content: ''; position: absolute; top: -200px; right: -200px; width: 600px; height: 600px; background: radial-gradient(circle, rgba(69,167,245,0.08) 0%, transparent 70%); pointer-events: none; }
.hero__inner { display: flex; gap: 60px; align-items: center; position: relative; }
.hero__text { flex: 1; }
.hero__tag { display: block; font-size: 13px; font-weight: 600; letter-spacing: 2px; color: var(--primary); margin-bottom: 20px; }
.hero__h1 { font-size: 52px; font-weight: 700; line-height: 1.15; color: var(--text); margin-bottom: 20px; }
.hero__sub { font-size: 18px; line-height: 1.65; color: var(--text-mid); margin-bottom: 28px; max-width: 520px; }
.hero__buttons { display: flex; gap: 16px; margin-bottom: 16px; flex-wrap: wrap; }
.hero__micro { font-size: 13px; color: var(--text-light); }
.hero__photo { flex-shrink: 0; width: 460px; height: 580px; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); position: relative; }
.hero__photo img { width: 100%; height: 100%; object-fit: cover; object-position: center top; transition: transform 0.6s ease; }
.hero__photo:hover img { transform: scale(1.03); }

/* === TRUST === */
.trust { background: var(--primary); padding: 24px 0; }
.trust__inner { display: flex; justify-content: center; gap: 48px; flex-wrap: wrap; }
.trust__item { color: var(--white); font-size: 15px; font-weight: 600; opacity: 0.95; }

/* === SECTION COMMONS === */
.section-title { font-size: 40px; font-weight: 700; text-align: center; margin-bottom: 16px; color: var(--text); }
.section-sub { font-size: 18px; color: var(--text-mid); text-align: center; line-height: 1.65; margin-bottom: 48px; max-width: 640px; margin-left: auto; margin-right: auto; }

/* === PROBLEMS === */
.problems { padding: 100px 0; background: var(--bg); }
.problems__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.problems__card { background: var(--bg-warm); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; transition: all 0.35s cubic-bezier(0.22, 1, 0.36, 1); cursor: default; }
.problems__card:hover { border-color: var(--primary-light); transform: translateY(-6px); box-shadow: var(--shadow-md); background: var(--white); }
.problems__card h3 { font-size: 17px; font-weight: 600; color: var(--text); margin-bottom: 8px; }
.problems__card p { font-size: 15px; color: var(--text-mid); line-height: 1.5; }

/* === ABOUT === */
.about { padding: 100px 0; background: var(--bg-alt); }
.about__inner { display: flex; gap: 80px; align-items: center; }
.about__photo { flex-shrink: 0; width: 420px; height: 520px; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); }
.about__photo img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.about__photo:hover img { transform: scale(1.03); }
.about__text { flex: 1; }
.about__label { display: block; font-size: 13px; font-weight: 600; letter-spacing: 2px; color: var(--primary); margin-bottom: 16px; text-transform: uppercase; }
.about__h2 { font-size: 34px; font-weight: 700; line-height: 1.25; color: var(--text); margin-bottom: 24px; }
.about__text p { font-size: 16px; line-height: 1.7; color: var(--text-mid); margin-bottom: 16px; }
.about__creds { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 12px; }
.chip { display: inline-block; padding: 8px 16px; background: var(--accent); border-radius: 8px; font-size: 13px; font-weight: 500; color: var(--primary); transition: all 0.25s ease; }
.chip:hover { background: var(--primary); color: var(--white); }

/* === METHOD === */
.method { padding: 100px 0; background: var(--bg); }
.method__cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.method__card { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); padding: 32px; transition: all 0.35s cubic-bezier(0.22, 1, 0.36, 1); }
.method__card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--primary-light); }
.method__accent { width: 40px; height: 4px; background: var(--primary); border-radius: 2px; margin-bottom: 20px; }
.method__card h3 { font-size: 20px; font-weight: 600; margin-bottom: 12px; color: var(--text); }
.method__card p { font-size: 15px; line-height: 1.6; color: var(--text-mid); }

/* === PROCESS === */
.process { padding: 100px 0; background: var(--bg-alt); }
.process__steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 48px; }
.process__step { background: var(--white); border-radius: var(--radius); padding: 28px; border: 1px solid var(--border); transition: all 0.35s cubic-bezier(0.22, 1, 0.36, 1); }
.process__step:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: var(--primary-light); }
.process__num { font-size: 48px; font-weight: 700; color: var(--primary); display: block; margin-bottom: 12px; opacity: 0.7; }
.process__step h3 { font-size: 18px; font-weight: 600; color: var(--text); margin-bottom: 10px; }
.process__step p { font-size: 14px; line-height: 1.6; color: var(--text-mid); margin-bottom: 14px; }
.process__badge { display: inline-block; padding: 6px 12px; background: var(--accent); border-radius: 6px; font-size: 12px; font-weight: 600; color: var(--primary); }

/* === TESTIMONIALS === */
.testimonials { padding: 100px 0; background: var(--bg); }
.testimonials__cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.testimonials__card { background: var(--bg-warm); border: 1px solid var(--border); border-radius: var(--radius); padding: 32px; transition: all 0.35s cubic-bezier(0.22, 1, 0.36, 1); }
.testimonials__card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); background: var(--white); border-color: var(--primary-light); }
.testimonials__quote { font-size: 48px; font-weight: 700; color: var(--primary); line-height: 1; display: block; margin-bottom: 12px; opacity: 0.5; }
.testimonials__card p { font-size: 15px; line-height: 1.65; color: var(--text-mid); margin-bottom: 16px; }
.testimonials__author { font-size: 14px; font-weight: 600; color: var(--text); }

/* === FINAL CTA === */
.final-cta { padding: 100px 0; background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%); text-align: center; position: relative; overflow: hidden; }
.final-cta::before { content: ''; position: absolute; top: -100px; left: -100px; width: 400px; height: 400px; background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 70%); pointer-events: none; }
.final-cta::after { content: ''; position: absolute; bottom: -150px; right: -150px; width: 500px; height: 500px; background: radial-gradient(circle, rgba(255,255,255,0.05) 0%, transparent 70%); pointer-events: none; }
.final-cta__inner { position: relative; z-index: 1; }
.final-cta h2 { font-size: 42px; font-weight: 700; color: var(--white); margin-bottom: 16px; line-height: 1.22; }
.final-cta__sub { font-size: 18px; color: rgba(255,255,255,0.8); line-height: 1.65; margin-bottom: 32px; }
.final-cta__phone { font-size: 14px; color: rgba(255,255,255,0.6); margin-top: 16px; }
.final-cta__socials { display: flex; justify-content: center; gap: 12px; margin-top: 24px; flex-wrap: wrap; }
.social-chip { display: inline-block; padding: 10px 20px; border: 1px solid rgba(255,255,255,0.3); border-radius: 8px; font-size: 14px; font-weight: 500; color: var(--white); transition: all 0.3s ease; }
.social-chip:hover { background: rgba(255,255,255,0.15); border-color: rgba(255,255,255,0.6); transform: translateY(-2px); }

/* === FOOTER === */
.footer { background: #1A1D23; padding: 40px 0; text-align: center; }
.footer__name { font-size: 16px; font-weight: 600; color: var(--white); margin-bottom: 8px; }
.footer__contacts { font-size: 14px; color: #888; margin-bottom: 12px; }
.footer__contacts a { color: var(--primary-light); }
.footer__contacts a:hover { text-decoration: underline; }
.footer__legal { font-size: 12px; color: #555; }

/* === FLOATING WHATSAPP === */
.floating-wa { position: fixed; bottom: 28px; right: 28px; width: 60px; height: 60px; background: #25D366; border-radius: 50%; display: flex; align-items: center; justify-content: center; z-index: 90; box-shadow: 0 4px 20px rgba(37,211,102,0.35); transition: all 0.3s cubic-bezier(0.22, 1, 0.36, 1); animation: pulse-ring 2.5s ease-out infinite; }
.floating-wa:hover { transform: scale(1.12); box-shadow: 0 6px 28px rgba(37,211,102,0.5); }
@keyframes pulse-ring {
  0% { box-shadow: 0 0 0 0 rgba(37,211,102,0.35); }
  70% { box-shadow: 0 0 0 18px rgba(37,211,102,0); }
  100% { box-shadow: 0 0 0 0 rgba(37,211,102,0); }
}

/* === MOBILE === */
@media (max-width: 1024px) {
  .hero__inner { flex-direction: column-reverse; gap: 40px; }
  .hero__photo { width: 100%; height: 50vw; max-height: 420px; }
  .hero__h1 { font-size: 40px; }
  .about__inner { flex-direction: column; gap: 40px; }
  .about__photo { width: 100%; height: 60vw; max-height: 420px; }
  .process__steps { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .hero { padding: 100px 0 60px; }
  .hero__h1 { font-size: 34px; line-height: 1.2; }
  .hero__sub { font-size: 16px; }
  .hero__buttons { flex-direction: column; }
  .hero__buttons .btn { width: 100%; text-align: center; }
  .section-title { font-size: 30px; }
  .section-sub { font-size: 16px; }
  .problems__grid { grid-template-columns: 1fr; }
  .method__cards { grid-template-columns: 1fr; }
  .process__steps { grid-template-columns: 1fr; }
  .testimonials__cards { grid-template-columns: 1fr; }
  .about__h2 { font-size: 26px; }
  .final-cta h2 { font-size: 30px; }
  .trust__inner { gap: 16px; flex-direction: column; align-items: center; }
  .header__name { display: none; }
  .floating-wa { bottom: 20px; right: 20px; width: 54px; height: 54px; }
}