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

:root{
  /* Colors */
  --color-primary-900:#033B39;
  --color-primary-700:#046D69;
  --color-primary-500:#059A94;
  --color-primary-300:#5CC5C0;
  --color-primary-100:#E6F5F4;
  --color-primary-50:#F2FAF9;
  --color-accent-600:#D4802E;
  --color-accent-500:#F5A15A;
  --color-accent-400:#F7B97E;
  --color-accent-100:#FEF3E8;
  --color-neutral-950:#0F1A19;
  --color-neutral-800:#2A3736;
  --color-neutral-500:#6B7A79;
  --color-neutral-200:#D4DDDC;
  --color-neutral-50:#F7F9F9;
  --color-white:#FFFFFF;

  /* Gradients */
  --gradient-hero:linear-gradient(135deg,#033B39 0%,#046D69 50%,#059A94 100%);
  --gradient-hero-mesh:radial-gradient(ellipse at 20% 80%,rgba(245,161,90,.15) 0%,transparent 50%),radial-gradient(ellipse at 80% 20%,rgba(92,197,192,.2) 0%,transparent 50%);
  --gradient-card:linear-gradient(180deg,#FFFFFF 0%,#F2FAF9 100%);
  --gradient-cta:linear-gradient(135deg,#F5A15A 0%,#D4802E 100%);
  --gradient-dark:linear-gradient(180deg,#033B39 0%,#0F1A19 100%);

  /* Typography */
  --text-display:clamp(2.5rem,5vw,4rem);
  --text-h1:clamp(2rem,3.5vw,3rem);
  --text-h2:clamp(1.5rem,2.5vw,2rem);
  --text-h3:clamp(1.125rem,1.5vw,1.375rem);
  --text-body:1rem;
  --text-body-lg:1.125rem;
  --text-small:0.875rem;
  --text-xs:0.75rem;

  /* Spacing */
  --space-1:.25rem;--space-2:.5rem;--space-3:.75rem;--space-4:1rem;
  --space-5:1.5rem;--space-6:2rem;--space-7:3rem;--space-8:4rem;
  --space-9:6rem;--space-10:8rem;

  /* Radius & Shadows */
  --radius-sm:.375rem;--radius-md:.75rem;--radius-lg:1rem;--radius-full:9999px;
  --shadow-sm:0 1px 2px rgba(15,26,25,.05);
  --shadow-md:0 4px 12px rgba(15,26,25,.08);
  --shadow-lg:0 12px 32px rgba(15,26,25,.12);
  --shadow-xl:0 24px 48px rgba(15,26,25,.16);

  font-size:16px;
}

@media(min-width:1024px){:root{font-size:18px}}

body{
  font-family:'Inter',sans-serif;
  color:var(--color-neutral-950);
  background:var(--color-neutral-50);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

body.no-scroll{overflow:hidden}

h1,h2,h3,h4{font-family:'Space Grotesk',sans-serif;line-height:1.2}
a{color:inherit;text-decoration:none}
img,svg{display:block}
ul{list-style:none}
button{cursor:pointer;font:inherit;border:none;background:none}
input,textarea{font:inherit;border:none;outline:none}

/* ===== UTILITIES ===== */
.container{max-width:1200px;margin:0 auto;padding:0 var(--space-5)}
.section{padding:var(--space-7) 0}
@media(min-width:1024px){.section{padding:var(--space-9) 0}}
@media(min-width:1280px){.container{padding:0 var(--space-7)}}
.section__title{font-size:var(--text-h1);font-weight:700;margin-bottom:var(--space-3);color:var(--color-primary-700)}
.section__subtitle{font-size:var(--text-body-lg);color:var(--color-neutral-500);max-width:600px;margin-bottom:var(--space-7)}

.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ===== REVEAL ANIMATION ===== */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s ease-out,transform .6s ease-out}
.reveal.revealed{opacity:1;transform:translateY(0)}
.reveal-children>*:nth-child(1){transition-delay:0s}
.reveal-children>*:nth-child(2){transition-delay:.1s}
.reveal-children>*:nth-child(3){transition-delay:.2s}
.reveal-children>*:nth-child(4){transition-delay:.3s}
.reveal-children>*:nth-child(5){transition-delay:.4s}
.reveal-children>*:nth-child(6){transition-delay:.5s}
.reveal-children>*:nth-child(7){transition-delay:.6s}
.reveal-children>*:nth-child(8){transition-delay:.7s}
.reveal-children>*:nth-child(9){transition-delay:.8s}

@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}
}

/* ===== BUTTONS ===== */
.btn{
  display:inline-flex;align-items:center;gap:var(--space-2);
  padding:.75rem 1.5rem;border-radius:var(--radius-sm);
  font-weight:600;font-size:var(--text-small);
  transition:background-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn--primary{background:var(--gradient-cta);color:var(--color-white);box-shadow:var(--shadow-md)}
.btn--primary:hover{box-shadow:var(--shadow-lg);filter:brightness(1.05)}
.btn--ghost{border:2px solid rgba(255,255,255,.4);color:var(--color-white)}
.btn--ghost:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.7)}
.btn--teal{background:var(--color-primary-500);color:var(--color-white)}
.btn--teal:hover{background:var(--color-primary-700)}

/* ===== HEADER ===== */
.header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  transition:background-color .3s ease,backdrop-filter .3s ease;
}
.header.scrolled{
  background:rgba(247,249,249,.92);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  box-shadow:var(--shadow-sm);
}
.header__inner{
  display:flex;align-items:center;justify-content:space-between;
  height:64px;max-width:1200px;margin:0 auto;padding:0 var(--space-5);
}
.header__logo{
  font-family:'Space Grotesk',sans-serif;font-size:1.5rem;font-weight:700;
  color:var(--color-white);letter-spacing:2px;
}
.header.scrolled .header__logo{color:var(--color-primary-700)}

.header__nav{display:flex;align-items:center;gap:var(--space-6)}
.header__nav a{
  font-size:var(--text-small);font-weight:500;
  color:rgba(255,255,255,.8);
  transition:color .15s ease;
}
.header__nav a:hover{color:var(--color-white)}
.header.scrolled .header__nav a{color:var(--color-neutral-800)}
.header.scrolled .header__nav a:hover{color:var(--color-primary-500)}

.header__cta{
  display:inline-flex;align-items:center;gap:var(--space-2);
  padding:.5rem 1rem;border-radius:var(--radius-sm);
  background:var(--color-accent-500);color:var(--color-white);
  font-size:var(--text-small);font-weight:600;
  transition:background-color .2s ease;
}
.header__cta svg{width:16px;height:16px}
.header__cta:hover{background:var(--color-accent-600)}

.header__menu-btn{display:none;color:var(--color-white);padding:var(--space-2)}
.header.scrolled .header__menu-btn{color:var(--color-neutral-800)}
.header__menu-btn svg{width:24px;height:24px}

@media(max-width:1023px){
  .header__nav{
    position:fixed;top:0;right:0;bottom:0;width:280px;
    flex-direction:column;align-items:flex-start;gap:0;
    padding:80px var(--space-6) var(--space-6);
    background:var(--color-white);box-shadow:var(--shadow-xl);
    transform:translateX(100%);opacity:0;
    transition:transform .35s cubic-bezier(.4,0,.2,1),opacity .35s cubic-bezier(.4,0,.2,1);
  }
  .header__nav.open{transform:translateX(0);opacity:1}
  .header__nav a{
    color:var(--color-neutral-800);font-size:var(--text-body);
    padding:var(--space-3) 0;width:100%;border-bottom:1px solid var(--color-neutral-200);
  }
  .header__nav a:hover{color:var(--color-primary-500)}
  .header__menu-btn{display:block}
}

/* ===== HERO ===== */
.hero{
  position:relative;min-height:100svh;display:flex;align-items:center;justify-content:center;
  background:var(--gradient-hero);overflow:hidden;
}
.hero::before{
  content:'';position:absolute;inset:0;
  background:var(--gradient-hero-mesh);
  animation:meshShift 20s ease-in-out infinite alternate;
}
.hero__shapes{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.hero__shape{position:absolute;border-radius:50%;opacity:.12}
.hero__shape--1{
  width:300px;height:300px;top:10%;left:-5%;
  background:var(--color-accent-500);
  animation:float 8s ease-in-out infinite;
}
.hero__shape--2{
  width:200px;height:200px;bottom:20%;right:5%;
  background:var(--color-primary-300);
  animation:float 6s ease-in-out infinite reverse;
}
.hero__shape--3{
  width:150px;height:150px;top:60%;left:50%;
  background:var(--color-accent-400);
  animation:float 10s ease-in-out infinite;
}
.hero__shape--4{
  width:100px;height:2px;top:30%;right:15%;
  border-radius:0;background:var(--color-primary-300);opacity:.2;
  animation:float 7s ease-in-out infinite reverse;
}

@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-30px)}}
@keyframes meshShift{0%{opacity:.8}100%{opacity:1;filter:hue-rotate(10deg)}}

.hero__content{
  position:relative;z-index:1;text-align:center;
  padding:var(--space-10) var(--space-5) var(--space-8);
  max-width:800px;
}
.hero__title{
  font-size:var(--text-display);font-weight:700;color:var(--color-white);
  margin-bottom:var(--space-5);
}
.hero__title span{color:var(--color-accent-500)}
.hero__subtitle{
  font-size:var(--text-body-lg);color:rgba(255,255,255,.8);
  margin-bottom:var(--space-7);max-width:560px;margin-left:auto;margin-right:auto;
}
.hero__buttons{display:flex;gap:var(--space-4);justify-content:center;flex-wrap:wrap}

.hero__scroll{
  position:absolute;bottom:var(--space-6);left:50%;transform:translateX(-50%);
  color:rgba(255,255,255,.5);animation:bounce 2s infinite;
}
.hero__scroll svg{width:32px;height:32px}
@keyframes bounce{0%,100%{transform:translateX(-50%) translateY(0)}50%{transform:translateX(-50%) translateY(8px)}}

/* ===== ADVANTAGES ===== */
.advantages{background:var(--color-white)}
.advantages__grid{display:grid;gap:var(--space-5)}
@media(min-width:640px){.advantages__grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.advantages__grid{grid-template-columns:repeat(3,1fr)}}

.advantage-card{
  background:var(--gradient-card);border-radius:var(--radius-lg);
  padding:var(--space-6);
  transition:box-shadow .3s ease-out,transform .3s ease-out;
  border:1px solid var(--color-neutral-200);
}
.advantage-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}
.advantage-card__icon{
  width:48px;height:48px;margin-bottom:var(--space-5);
  color:var(--color-primary-500);
}
.advantage-card__title{font-size:var(--text-h3);font-weight:600;margin-bottom:var(--space-3);color:var(--color-primary-700)}
.advantage-card__text{font-size:var(--text-body);color:var(--color-neutral-500);line-height:1.6}

/* ===== CATALOG ===== */
.catalog{background:var(--color-neutral-50)}
.catalog__grid{display:grid;gap:var(--space-5)}
@media(min-width:640px){.catalog__grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.catalog__grid{grid-template-columns:repeat(3,1fr)}}

.catalog-card{
  position:relative;border-radius:var(--radius-lg);padding:var(--space-6);
  color:var(--color-white);overflow:hidden;min-height:200px;
  display:flex;flex-direction:column;justify-content:flex-end;
  transition:transform .3s ease-out,box-shadow .3s ease-out;
}
.catalog-card:hover{transform:scale(1.02);box-shadow:var(--shadow-lg)}
.catalog-card__icon{width:56px;height:56px;margin-bottom:var(--space-4);opacity:.7}
.catalog-card__name{font-family:'Space Grotesk',sans-serif;font-size:var(--text-h3);font-weight:600;margin-bottom:var(--space-2)}
.catalog-card__spec{font-size:var(--text-small);opacity:.8;margin-bottom:var(--space-4)}
.catalog-card__link{
  display:inline-flex;align-items:center;gap:var(--space-2);
  font-size:var(--text-small);font-weight:600;
  color:var(--color-white);opacity:.9;
  transition:opacity .2s ease;
}
.catalog-card__link:hover{opacity:1}
.catalog-card__link svg{width:16px;height:16px}

/* Unique card gradients */
.catalog-card--1{background:linear-gradient(135deg,#033B39,#046D69)}
.catalog-card--2{background:linear-gradient(135deg,#046D69,#059A94)}
.catalog-card--3{background:linear-gradient(135deg,#059A94,#5CC5C0)}
.catalog-card--4{background:linear-gradient(135deg,#033B39,#059A94)}
.catalog-card--5{background:linear-gradient(135deg,#046D69,#5CC5C0)}
.catalog-card--6{background:linear-gradient(135deg,#0F1A19,#033B39)}
.catalog-card--7{background:linear-gradient(135deg,#2A3736,#046D69)}
.catalog-card--8{background:linear-gradient(135deg,#033B39,#5CC5C0)}
.catalog-card--9{background:linear-gradient(135deg,#046D69,#033B39)}

/* ===== ABOUT / STATS ===== */
.about{background:var(--gradient-dark);color:var(--color-white)}
.about__inner{display:grid;gap:var(--space-7);align-items:center}
@media(min-width:1024px){.about__inner{grid-template-columns:1fr 1fr}}

.about__text h2{font-size:var(--text-h1);margin-bottom:var(--space-5);color:var(--color-white)}
.about__text p{color:rgba(255,255,255,.75);font-size:var(--text-body-lg);line-height:1.7;margin-bottom:var(--space-4)}

.stats__grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-5)}
.stat{text-align:center;padding:var(--space-5);background:rgba(255,255,255,.06);border-radius:var(--radius-md)}
.stat__number{font-family:'Space Grotesk',sans-serif;font-size:var(--text-h1);font-weight:700;color:var(--color-accent-500)}
.stat__label{font-size:var(--text-small);color:rgba(255,255,255,.6);margin-top:var(--space-2)}

/* ===== SERVICES ===== */
.services{background:var(--color-white)}
.services__grid{display:grid;gap:var(--space-5)}
@media(min-width:640px){.services__grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.services__grid{grid-template-columns:repeat(3,1fr)}}

.service-card{
  background:var(--color-white);border-radius:var(--radius-md);
  padding:var(--space-6);border:1px solid var(--color-neutral-200);
  border-left:4px solid var(--color-primary-500);
  transition:box-shadow .3s ease-out,transform .3s ease-out;
}
.service-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}
.service-card__icon{width:32px;height:32px;color:var(--color-primary-500);margin-bottom:var(--space-4)}
.service-card__title{font-size:var(--text-h3);font-weight:600;margin-bottom:var(--space-3);color:var(--color-primary-700)}
.service-card__text{font-size:var(--text-body);color:var(--color-neutral-500);margin-bottom:var(--space-5);line-height:1.6}
.service-card__link{
  display:inline-flex;align-items:center;gap:var(--space-2);
  font-size:var(--text-small);font-weight:600;color:var(--color-primary-500);
}
.service-card__link svg{width:16px;height:16px}
.service-card__link:hover{color:var(--color-primary-700)}

/* ===== CTA BANNER ===== */
.cta-banner{background:var(--gradient-cta);color:var(--color-white);text-align:center}
.cta-banner h2{font-size:var(--text-h2);margin-bottom:var(--space-4)}
.cta-banner__phone{
  font-family:'Space Grotesk',sans-serif;font-size:var(--text-h2);font-weight:700;
  display:block;margin-bottom:var(--space-5);
  transition:opacity .2s ease;
}
.cta-banner__phone:hover{opacity:.85}
.cta-banner .btn{background:var(--color-white);color:var(--color-accent-600);font-weight:700}
.cta-banner .btn:hover{box-shadow:var(--shadow-lg)}

/* ===== CONTACTS ===== */
.contacts{background:var(--color-neutral-50)}
.contacts__inner{display:grid;gap:var(--space-7)}
@media(min-width:1024px){.contacts__inner{grid-template-columns:1fr 1fr}}

.contacts__info h3{font-size:var(--text-h2);margin-bottom:var(--space-5);color:var(--color-primary-700)}
.contacts__item{display:flex;align-items:flex-start;gap:var(--space-3);margin-bottom:var(--space-5)}
.contacts__item svg{width:20px;height:20px;color:var(--color-primary-500);flex-shrink:0;margin-top:2px}
.contacts__item strong{display:block;font-size:var(--text-small);color:var(--color-neutral-500);margin-bottom:var(--space-1)}
.contacts__item span,.contacts__item a{font-size:var(--text-body);color:var(--color-neutral-950)}
.contacts__item a:hover{color:var(--color-primary-500)}

.contact__form{display:flex;flex-direction:column;gap:var(--space-4)}
.contact__form h3{font-size:var(--text-h2);margin-bottom:var(--space-3);color:var(--color-primary-700)}
.form__field{
  padding:.75rem 1rem;border-radius:var(--radius-sm);
  border:1px solid var(--color-neutral-200);
  background:var(--color-white);
  font-size:var(--text-body);
  transition:border-color .2s ease;
}
.form__field:focus{border-color:var(--color-primary-500);box-shadow:0 0 0 3px rgba(5,154,148,.1)}
.form__field::placeholder{color:var(--color-neutral-500)}
textarea.form__field{resize:vertical;min-height:100px}

/* ===== FOOTER ===== */
.footer{background:var(--color-primary-900);color:rgba(255,255,255,.7);padding:var(--space-8) 0 var(--space-5)}
.footer__grid{display:grid;gap:var(--space-7);margin-bottom:var(--space-7)}
@media(min-width:640px){.footer__grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.footer__grid{grid-template-columns:2fr 1fr 1fr}}

.footer__brand-name{
  font-family:'Space Grotesk',sans-serif;font-size:1.5rem;font-weight:700;
  color:var(--color-white);letter-spacing:2px;margin-bottom:var(--space-3);
}
.footer__brand p{max-width:300px;font-size:var(--text-small);line-height:1.6}
.footer__heading{font-family:'Space Grotesk',sans-serif;font-size:var(--text-small);font-weight:600;color:var(--color-white);margin-bottom:var(--space-4);text-transform:uppercase;letter-spacing:1px}
.footer__links li{margin-bottom:var(--space-3)}
.footer__links a{font-size:var(--text-small);transition:color .15s ease}
.footer__links a:hover{color:var(--color-primary-300)}
.footer__contacts p{font-size:var(--text-small);margin-bottom:var(--space-3)}
.footer__contacts a:hover{color:var(--color-primary-300)}

.footer__bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding-top:var(--space-5);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:var(--space-4);
  font-size:var(--text-xs);
}

/* ===== TOAST ===== */
.toast{
  position:fixed;bottom:var(--space-5);right:var(--space-5);z-index:200;
  padding:var(--space-4) var(--space-5);
  background:var(--color-primary-700);color:var(--color-white);
  border-radius:var(--radius-md);box-shadow:var(--shadow-lg);
  display:flex;align-items:center;gap:var(--space-3);
  font-size:var(--text-small);font-weight:500;
  transform:translateY(120%);opacity:0;
  transition:transform .35s cubic-bezier(.4,0,.2,1),opacity .35s cubic-bezier(.4,0,.2,1);
}
.toast.show{transform:translateY(0);opacity:1}
.toast svg{width:20px;height:20px;color:var(--color-accent-400)}