/* ===========================
   Variables
=========================== */
:root {
  --c-primary:       #2563EB;
  --c-primary-dark:  #1D4ED8;
  --c-primary-light: #EFF6FF;
  --c-accent:        #F59E0B;
  --c-accent-dark:   #D97706;
  --c-kakao:         #FAE100;
  --c-kakao-text:    #191919;
  --c-green:         #10B981;
  --c-purple:        #8B5CF6;
  --c-text:          #0F172A;
  --c-text-2:        #64748B;
  --c-border:        #E2E8F0;
  --c-bg:            #FFFFFF;
  --c-bg-light:      #F8FAFC;
  --c-bg-dark:       #0F172A;

  --r-sm:   8px;
  --r-md:   12px;
  --r-lg:   20px;
  --r-full: 9999px;

  --sh-sm: 0 1px 3px rgba(0,0,0,.10), 0 1px 2px rgba(0,0,0,.06);
  --sh-md: 0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.06);
  --sh-lg: 0 10px 15px rgba(0,0,0,.10), 0 4px 6px rgba(0,0,0,.05);

  --tr: .2s ease;
  --container-max: 1200px;
  --container-px:  1.25rem;
}

/* ===========================
   Reset
=========================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Noto Sans KR', sans-serif;
  color: var(--c-text);
  background: var(--c-bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea { font-family: inherit; }

/* ===========================
   Layout
=========================== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-px);
}
section { padding: 4rem 0; }

/* ===========================
   Typography
=========================== */
h1 { font-size: clamp(1.875rem, 5.5vw, 3.25rem); font-weight: 800; line-height: 1.2; }
h2 { font-size: clamp(1.5rem, 4vw, 2.25rem); font-weight: 700; line-height: 1.3; }
h3 { font-size: clamp(1.0625rem, 2.5vw, 1.25rem); font-weight: 700; line-height: 1.4; }

/* ===========================
   Buttons
=========================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .75rem 1.5rem;
  border-radius: var(--r-full);
  font-size: 1rem;
  font-weight: 700;
  transition: all var(--tr);
  border: 2px solid transparent;
  white-space: nowrap;
  cursor: pointer;
}
.btn--primary {
  background: var(--c-primary);
  color: #fff;
  border-color: var(--c-primary);
}
.btn--primary:hover, .btn--primary:focus-visible {
  background: var(--c-primary-dark);
  border-color: var(--c-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(37,99,235,.35);
}
.btn--accent {
  background: var(--c-accent);
  color: #fff;
  border-color: var(--c-accent);
}
.btn--accent:hover, .btn--accent:focus-visible {
  background: var(--c-accent-dark);
  border-color: var(--c-accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(245,158,11,.4);
}
.btn--outline {
  background: transparent;
  color: var(--c-primary);
  border-color: var(--c-primary);
}
.btn--outline:hover, .btn--outline:focus-visible {
  background: var(--c-primary);
  color: #fff;
}
.btn--kakao {
  background: var(--c-kakao);
  color: var(--c-kakao-text);
  border-color: var(--c-kakao);
}
.btn--kakao:hover, .btn--kakao:focus-visible {
  background: #f0d600;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(250,225,0,.5);
}
.btn--full  { width: 100%; }
.btn--sm    { padding: .5rem 1.125rem; font-size: .875rem; }
.btn--lg    { padding: 1rem 2rem; font-size: 1.125rem; }
.btn:focus-visible { outline: 3px solid var(--c-primary); outline-offset: 3px; }

/* ===========================
   Section Header
=========================== */
.section-header { text-align: center; margin-bottom: 3rem; }
.section-label {
  display: inline-block;
  background: var(--c-primary-light);
  color: var(--c-primary);
  font-size: .8125rem;
  font-weight: 700;
  padding: .3rem .875rem;
  border-radius: var(--r-full);
  margin-bottom: .75rem;
}
.section-label--light {
  background: rgba(255,255,255,.12);
  color: rgba(255,255,255,.9);
}
.section-title  { margin-bottom: .75rem; word-break: keep-all; }
.section-desc   { color: var(--c-text-2); font-size: 1rem; }

/* ===========================
   Logo
=========================== */
.logo-mark { font-size: 1.375rem; font-weight: 800; color: var(--c-primary); letter-spacing: -.03em; }
.logo-sub  { font-size: 1.375rem; font-weight: 800; color: var(--c-text); letter-spacing: -.03em; }

/* ===========================
   Reveal Animation
=========================== */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .55s ease, transform .55s ease;
}
.reveal.visible { opacity: 1; transform: none; }

/* Stagger for grid children */
.benefits__grid  .benefit-card:nth-child(2)  { transition-delay: .08s; }
.benefits__grid  .benefit-card:nth-child(3)  { transition-delay: .16s; }
.benefits__grid  .benefit-card:nth-child(4)  { transition-delay: .24s; }
.promise__grid   .promise-card:nth-child(2)  { transition-delay: .08s; }
.promise__grid   .promise-card:nth-child(3)  { transition-delay: .16s; }
.promise__grid   .promise-card:nth-child(4)  { transition-delay: .24s; }
.services__grid  .service-card:nth-child(2)  { transition-delay: .06s; }
.services__grid  .service-card:nth-child(3)  { transition-delay: .12s; }
.services__grid  .service-card:nth-child(4)  { transition-delay: .18s; }
.services__grid  .service-card:nth-child(5)  { transition-delay: .24s; }
.services__grid  .service-card:nth-child(6)  { transition-delay: .30s; }
.results__grid   .result-card:nth-child(2)   { transition-delay: .10s; }
.results__grid   .result-card:nth-child(3)   { transition-delay: .20s; }
.testimonials__grid .testimonial-card:nth-child(2) { transition-delay: .08s; }
.testimonials__grid .testimonial-card:nth-child(3) { transition-delay: .16s; }
.testimonials__grid .testimonial-card:nth-child(4) { transition-delay: .08s; }
.testimonials__grid .testimonial-card:nth-child(5) { transition-delay: .16s; }
.testimonials__grid .testimonial-card:nth-child(6) { transition-delay: .24s; }

/* ===========================
   Sticky Bar
=========================== */
.sticky-bar {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 1000;
  background: var(--c-bg-dark);
  color: #fff;
  padding: .75rem var(--container-px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  transform: translateY(100%);
  transition: transform .35s cubic-bezier(.4,0,.2,1);
  box-shadow: 0 -4px 20px rgba(0,0,0,.2);
}
.sticky-bar.visible { transform: translateY(0); }
.sticky-bar__text {
  font-size: .9375rem;
  font-weight: 500;
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.sticky-bar__actions { display: flex; gap: .5rem; flex-shrink: 0; }

/* ===========================
   Header
=========================== */
.header {
  position: sticky;
  top: 0;
  z-index: 900;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--c-border);
  transition: box-shadow var(--tr);
}
.header.scrolled { box-shadow: var(--sh-md); }
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.header__logo { display: flex; align-items: center; }
.header__nav  { display: none; align-items: center; gap: 1.75rem; }
.header__nav a {
  font-size: .9375rem;
  font-weight: 500;
  color: var(--c-text-2);
  transition: color var(--tr);
}
.header__nav a:hover { color: var(--c-primary); }
.header__menu-btn { font-size: 1.25rem; color: var(--c-text); padding: .5rem; }
.mobile-nav {
  display: none;
  flex-direction: column;
  border-top: 1px solid var(--c-border);
  background: #fff;
  padding: .5rem var(--container-px) 1rem;
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  padding: .875rem 0;
  font-size: 1rem;
  font-weight: 500;
  color: var(--c-text);
  border-bottom: 1px solid var(--c-border);
}
.mobile-nav a:last-child { border-bottom: none; margin-top: .5rem; }

/* ===========================
   Hero
=========================== */
.hero {
  background: linear-gradient(135deg, #0B1120 0%, #1E3A8A 55%, #2563EB 100%);
  color: #fff;
  padding: 5rem 0 4rem;
  overflow: hidden;
  position: relative;
}
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 75% 30%, rgba(99,179,237,.15) 0%, transparent 60%);
  pointer-events: none;
}
.hero__inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 3rem;
}
.hero__content { max-width: 600px; }
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.2);
  color: rgba(255,255,255,.9);
  font-size: .8125rem;
  font-weight: 600;
  padding: .4rem .875rem;
  border-radius: var(--r-full);
  margin-bottom: 1.375rem;
}
.hero__badge i { color: var(--c-accent); }
.hero__title {
  margin-bottom: 1.25rem;
  word-break: keep-all;
}
.hero__desc {
  color: rgba(255,255,255,.78);
  font-size: 1.0625rem;
  margin-bottom: 2rem;
  word-break: keep-all;
}
.hero__form {
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: var(--r-lg);
  padding: 1.5rem;
  margin-bottom: 1rem;
  backdrop-filter: blur(6px);
}
.form-row {
  display: flex;
  flex-direction: column;
  gap: .75rem;
  margin-bottom: .875rem;
}
.hero__form input {
  width: 100%;
  padding: .875rem 1rem;
  border-radius: var(--r-sm);
  border: 1px solid rgba(255,255,255,.2);
  background: rgba(255,255,255,.1);
  color: #fff;
  font-size: 1rem;
  transition: border-color var(--tr), background var(--tr);
}
.hero__form input::placeholder { color: rgba(255,255,255,.45); }
.hero__form input:focus {
  outline: none;
  border-color: var(--c-accent);
  background: rgba(255,255,255,.15);
}
.form__privacy {
  margin-top: .625rem;
  font-size: .8125rem;
  color: rgba(255,255,255,.45);
  text-align: center;
}
.hero__kakao { margin-top: .5rem; }

/* Hero Visual */
.hero__visual {
  display: none;
  position: relative;
  align-items: center;
  justify-content: center;
  min-height: 280px;
  flex-shrink: 0;
}
.hero__graphic {
  position: relative;
  width: 260px;
  height: 260px;
}
.graphic-ring {
  position: absolute;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,.1);
}
.graphic-ring--1 { inset: 0;    animation: spin 20s linear infinite; }
.graphic-ring--2 { inset: 30px; animation: spin 14s linear infinite reverse; }
.graphic-ring--3 { inset: 65px; background: rgba(255,255,255,.04); animation: pulse 3s ease-in-out infinite; }
@keyframes spin  { to { transform: rotate(360deg); } }
@keyframes pulse { 0%,100%{ opacity:.6; transform:scale(1); } 50%{ opacity:1; transform:scale(1.06); } }

.hero__card {
  position: absolute;
  background: rgba(255,255,255,.1);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: var(--r-md);
  padding: .75rem 1.125rem;
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: .9375rem;
  color: #fff;
  white-space: nowrap;
  box-shadow: 0 4px 20px rgba(0,0,0,.2);
}
.hero__card i     { color: var(--c-accent); font-size: 1.125rem; }
.hero__card strong{ color: var(--c-accent); }
.hero__card--1 { top: 10px; left: -10px; animation: floatA 4s ease-in-out infinite; }
.hero__card--2 { top: 50%; right: -10px; transform: translateY(-50%); animation: floatB 4s ease-in-out infinite .7s; }
.hero__card--3 { bottom: 10px; left: 20%; animation: floatA 4s ease-in-out infinite 1.4s; }
@keyframes floatA { 0%,100%{ transform: translateY(0);    } 50%{ transform: translateY(-10px); } }
@keyframes floatB { 0%,100%{ transform: translateY(-50%); } 50%{ transform: translateY(calc(-50% - 10px)); } }

/* ===========================
   Benefits
=========================== */
.benefits { background: var(--c-bg-light); }
.benefits__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.125rem;
}
.benefit-card {
  background: #fff;
  border-radius: var(--r-md);
  padding: 1.75rem;
  box-shadow: var(--sh-sm);
  transition: transform var(--tr), box-shadow var(--tr);
}
.benefit-card:hover { transform: translateY(-4px); box-shadow: var(--sh-lg); }
.benefit-card__icon {
  width: 56px; height: 56px;
  border-radius: var(--r-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.125rem;
}
.icon--blue   { background: #EFF6FF; color: var(--c-primary); }
.icon--amber  { background: #FFFBEB; color: var(--c-accent); }
.icon--green  { background: #ECFDF5; color: var(--c-green); }
.icon--purple { background: #F5F3FF; color: var(--c-purple); }
.benefit-card h3 { margin-bottom: .5rem; }
.benefit-card p  { color: var(--c-text-2); font-size: .9375rem; }

/* ===========================
   Promise
=========================== */
.promise {
  background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
  color: #fff;
}
.promise .section-title { color: #fff; }
.promise .section-desc  { color: rgba(255,255,255,.6); }
.promise__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.125rem;
}
.promise-card {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--r-md);
  padding: 1.75rem;
  transition: background var(--tr), border-color var(--tr);
}
.promise-card:hover {
  background: rgba(255,255,255,.08);
  border-color: rgba(255,255,255,.22);
}
.promise-card__icon {
  width: 48px; height: 48px;
  background: var(--c-primary);
  border-radius: var(--r-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.25rem;
  color: #fff;
  margin-bottom: 1rem;
}
.promise-card h3 { margin-bottom: .5rem; color: #fff; }
.promise-card p  { color: rgba(255,255,255,.65); font-size: .9375rem; }

/* ===========================
   Products
=========================== */
.products { background: var(--c-bg-light); }
.products__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}
.product-card {
  background: #fff;
  border-radius: var(--r-lg);
  box-shadow: var(--sh-sm);
  overflow: hidden;
  position: relative;
  transition: transform var(--tr), box-shadow var(--tr);
}
.product-card:hover { transform: translateY(-5px); box-shadow: var(--sh-lg); }
.product-card__badge {
  position: absolute;
  top: 1rem; left: 1rem;
  font-size: .8125rem;
  font-weight: 700;
  padding: .25rem .75rem;
  border-radius: var(--r-full);
  z-index: 1;
}
.product-card__badge--sale { background: var(--c-primary); color: #fff; }
.product-card__badge--hot  { background: var(--c-accent);  color: #fff; }
.product-card__img-wrap {
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #f1f5f9;
}
.product-card__img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.product-card:hover .product-card__img-wrap img { transform: scale(1.04); }
.product-card__body { padding: 1.5rem; }
.product-card__brand {
  font-size: .8125rem;
  font-weight: 700;
  color: var(--c-primary);
  text-transform: uppercase;
  letter-spacing: .05em;
  margin-bottom: .25rem;
}
.product-card__name { font-size: 1.125rem; margin-bottom: 1rem; }
.product-card__specs {
  display: flex;
  flex-direction: column;
  gap: .45rem;
  margin-bottom: 1.25rem;
}
.product-card__specs li {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: .875rem;
  color: var(--c-text-2);
}
.product-card__specs li i { width: 16px; text-align: center; color: var(--c-primary); flex-shrink: 0; }
.product-card__price {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--c-text);
  margin-bottom: 1rem;
}
.products__notice {
  text-align: center;
  font-size: .9rem;
  color: var(--c-text-2);
  padding: 1rem;
  background: #fff;
  border-radius: var(--r-md);
  border: 1px solid var(--c-border);
}
.products__notice i { color: var(--c-primary); margin-right: .25rem; }
.products__notice a { color: var(--c-primary); font-weight: 600; }

@media (min-width: 768px) {
  .products__grid { grid-template-columns: repeat(3, 1fr); }
}

/* ===========================
   Services
=========================== */
.services__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.service-card {
  border: 1px solid var(--c-border);
  border-radius: var(--r-md);
  padding: 1.5rem;
  transition: border-color var(--tr), box-shadow var(--tr), transform var(--tr);
}
.service-card:hover {
  border-color: var(--c-primary);
  box-shadow: var(--sh-md);
  transform: translateY(-3px);
}
.service-card__icon {
  font-size: 1.875rem;
  color: var(--c-primary);
  margin-bottom: .875rem;
}
.service-card h3 { font-size: 1.0625rem; margin-bottom: .375rem; }
.service-card p  { font-size: .875rem; color: var(--c-text-2); }

/* ===========================
   Results
=========================== */
.results { background: var(--c-bg-light); }
.results__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.125rem;
  margin-bottom: 2.5rem;
}
.result-card {
  background: #fff;
  border-radius: var(--r-md);
  padding: 2rem;
  box-shadow: var(--sh-sm);
  border-left: 4px solid var(--c-primary);
}
.result-card__badge {
  display: inline-block;
  background: var(--c-primary-light);
  color: var(--c-primary);
  font-size: .8125rem;
  font-weight: 700;
  padding: .25rem .75rem;
  border-radius: var(--r-full);
  margin-bottom: 1rem;
}
.result-card__stat { font-size: 1.75rem; font-weight: 700; margin-bottom: .75rem; }
.result-card__stat strong { color: var(--c-primary); }
.result-card p { color: var(--c-text-2); font-size: .9375rem; }
.results__cta {
  text-align: center;
  padding: 2rem;
  background: #fff;
  border-radius: var(--r-lg);
  box-shadow: var(--sh-sm);
}
.results__cta p { font-size: 1.0625rem; font-weight: 600; margin-bottom: 1rem; }

/* ===========================
   Testimonials
=========================== */
.testimonials__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.125rem;
}
.testimonial-card {
  background: var(--c-bg-light);
  border-radius: var(--r-md);
  padding: 1.75rem;
  border: 1px solid var(--c-border);
  display: flex;
  flex-direction: column;
}
.testimonial-card__stars { color: #FBBF24; margin-bottom: 1rem; font-size: 1rem; }
.testimonial-card p {
  flex: 1;
  color: var(--c-text);
  font-size: .9375rem;
  line-height: 1.75;
  margin-bottom: 1.25rem;
  word-break: keep-all;
}
.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding-top: 1rem;
  border-top: 1px solid var(--c-border);
}
.testimonial-card__author .name     { font-weight: 700; font-size: .9375rem; }
.testimonial-card__author .business { font-size: .875rem; color: var(--c-text-2); }

/* ===========================
   Trust Badges
=========================== */
.trust { background: var(--c-bg-light); padding: 2.5rem 0; }
.trust__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.trust-badge {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: #fff;
  border-radius: var(--r-md);
  padding: 1.25rem;
  box-shadow: var(--sh-sm);
}
.trust-badge > i { font-size: 1.75rem; color: var(--c-primary); flex-shrink: 0; }
.trust-badge__label { display: block; font-size: .8125rem; color: var(--c-text-2); }
.trust-badge__value { display: block; font-size: .9375rem; font-weight: 700; }

/* ===========================
   Pricing
=========================== */
.pricing__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.125rem;
  margin-bottom: 1.5rem;
}
.pricing-card {
  border: 2px solid var(--c-border);
  border-radius: var(--r-lg);
  padding: 2rem;
  position: relative;
  transition: box-shadow var(--tr);
}
.pricing-card:hover { box-shadow: var(--sh-lg); }
.pricing-card--featured {
  border-color: var(--c-primary);
  box-shadow: 0 0 0 4px rgba(37,99,235,.08);
}
.pricing-card__badge {
  position: absolute;
  top: -14px; left: 50%;
  transform: translateX(-50%);
  background: var(--c-primary);
  color: #fff;
  font-size: .8125rem;
  font-weight: 700;
  padding: .25rem 1.125rem;
  border-radius: var(--r-full);
}
.pricing-card__header { margin-bottom: 1.5rem; }
.pricing-card__header h3 { font-size: 1.25rem; margin-bottom: .5rem; }
.pricing-card__price  { font-size: 1.5rem; font-weight: 800; color: var(--c-primary); }
.pricing-card__period { font-size: .8125rem; color: var(--c-text-2); }
.pricing-card__features {
  margin-bottom: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: .625rem;
}
.pricing-card__features li {
  display: flex;
  align-items: center;
  gap: .625rem;
  font-size: .9375rem;
}
.pricing-card__features li i { width: 18px; text-align: center; flex-shrink: 0; }
.pricing-card__features li .fa-check { color: var(--c-green); }
.pricing-card__features li .fa-xmark { color: var(--c-border); }
.pricing-card__features li.disabled { color: var(--c-text-2); }
.pricing__note { text-align: center; font-size: .875rem; color: var(--c-text-2); }

/* ===========================
   FAQ
=========================== */
.faq { background: var(--c-bg-light); }
.faq__list { display: flex; flex-direction: column; gap: .75rem; max-width: 800px; margin: 0 auto; }
.faq-item {
  background: #fff;
  border-radius: var(--r-md);
  border: 1px solid var(--c-border);
  overflow: hidden;
  transition: border-color var(--tr);
}
.faq-item.open { border-color: var(--c-primary); }
.faq-item__question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  text-align: left;
  font-size: 1rem;
  font-weight: 600;
  color: var(--c-text);
  transition: color var(--tr);
}
.faq-item__question:focus-visible { outline: 3px solid var(--c-primary); outline-offset: -3px; }
.faq-item.open .faq-item__question { color: var(--c-primary); }
.faq-item__question i {
  flex-shrink: 0;
  font-size: .875rem;
  color: var(--c-text-2);
  transition: transform .35s ease, color var(--tr);
}
.faq-item.open .faq-item__question i { transform: rotate(180deg); color: var(--c-primary); }
.faq-item__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s ease;
}
.faq-item.open .faq-item__answer { max-height: 400px; }
.faq-item__answer p {
  padding: 0 1.5rem 1.375rem;
  color: var(--c-text-2);
  font-size: .9375rem;
  line-height: 1.75;
}

/* ===========================
   Contact
=========================== */
.contact { background: #fff; }
.contact__inner { display: flex; flex-direction: column; gap: 2.5rem; }
.contact__info .section-label { margin-bottom: .75rem; }
.contact__info h2 { font-size: clamp(1.5rem, 4vw, 2rem); margin-bottom: 1.5rem; word-break: keep-all; }
.contact__features { display: flex; flex-direction: column; gap: .875rem; margin-bottom: 1.75rem; }
.contact__features li { display: flex; align-items: center; gap: .625rem; font-size: 1rem; }
.contact__features li i { color: var(--c-green); font-size: 1.125rem; }
.contact__form {
  background: var(--c-bg-light);
  border-radius: var(--r-lg);
  padding: 2rem;
  border: 1px solid var(--c-border);
}
.form-group { margin-bottom: 1.125rem; }
.form-group label { display: block; font-size: .9375rem; font-weight: 600; margin-bottom: .4rem; }
.form-group input,
.form-group textarea {
  width: 100%;
  padding: .875rem 1rem;
  border: 1px solid var(--c-border);
  border-radius: var(--r-sm);
  font-size: 1rem;
  background: #fff;
  color: var(--c-text);
  transition: border-color var(--tr), box-shadow var(--tr);
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--c-primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,.12);
}
.form-group textarea { resize: vertical; min-height: 100px; }
.form-group--checkbox { display: flex; align-items: flex-start; gap: .625rem; }
.form-group--checkbox input {
  width: auto;
  margin-top: .2rem;
  flex-shrink: 0;
  accent-color: var(--c-primary);
}
.form-group--checkbox label { font-weight: 400; font-size: .9375rem; }
.form__success {
  text-align: center;
  padding: 1.75rem;
  background: #ECFDF5;
  border-radius: var(--r-md);
  margin-top: 1rem;
}
.form__success[hidden] { display: none; }
.form__success i { font-size: 2rem; color: var(--c-green); margin-bottom: .75rem; display: block; }
.form__success p { font-size: 1rem; font-weight: 600; color: #065F46; }

/* ===========================
   Footer
=========================== */
.footer { background: var(--c-bg-dark); color: rgba(255,255,255,.65); }
.footer__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  padding-top: 3rem;
  padding-bottom: 2rem;
}
.footer__brand p { font-size: .9375rem; color: rgba(255,255,255,.45); line-height: 1.7; margin-top: .625rem; }
.footer__info p  { font-size: .875rem; color: rgba(255,255,255,.45); line-height: 2; }
.footer__links   { display: flex; flex-direction: column; gap: .625rem; }
.footer__links a {
  font-size: .9375rem;
  color: rgba(255,255,255,.55);
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  transition: color var(--tr);
}
.footer__links a:hover { color: #fff; }
.footer__copy { border-top: 1px solid rgba(255,255,255,.08); padding: 1.25rem 0; }
.footer__copy p { font-size: .875rem; color: rgba(255,255,255,.3); }

/* ===========================
   Tablet (768px+)
=========================== */
@media (min-width: 768px) {
  section { padding: 5.5rem 0; }

  .header__nav  { display: flex; }
  .header__menu-btn { display: none; }

  .hero { padding: 6rem 0 5rem; }
  .hero__inner { flex-direction: row; align-items: center; }
  .hero__content { flex: 1; }
  .hero__visual  { display: flex; flex: 0 0 300px; }
  .hero__graphic { width: 280px; height: 280px; }
  .form-row { flex-direction: row; }

  .benefits__grid { grid-template-columns: 1fr 1fr; }
  .promise__grid  { grid-template-columns: 1fr 1fr; }
  .results__grid  { grid-template-columns: repeat(3, 1fr); }
  .testimonials__grid { grid-template-columns: 1fr 1fr; }
  .trust__grid    { grid-template-columns: repeat(4, 1fr); }
  .pricing__grid  { grid-template-columns: repeat(3, 1fr); }

  .contact__inner { flex-direction: row; align-items: flex-start; }
  .contact__info  { flex: 1; }
  .contact__form  { flex: 0 0 460px; }

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

  .sticky-bar__text { white-space: normal; }
}

/* ===========================
   Desktop (1024px+)
=========================== */
@media (min-width: 1024px) {
  :root { --container-px: 2rem; }
  section { padding: 7rem 0; }

  .hero { padding: 7rem 0 6rem; }
  .hero__visual  { flex: 0 0 400px; }
  .hero__graphic { width: 340px; height: 340px; }

  .services__grid     { grid-template-columns: repeat(3, 1fr); }
  .testimonials__grid { grid-template-columns: repeat(3, 1fr); }

  .contact__form { flex: 0 0 520px; }
}

/* ===========================
   Reduced Motion
=========================== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}