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

:root {
  --nav-h: 60px;
  --ease: cubic-bezier(.4,0,.2,1);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }

/* ═══════════════════════════════════════════
   NAVIGATION
═══════════════════════════════════════════ */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 5%;
  backdrop-filter: blur(12px) saturate(180%);
  background: rgba(255,255,255,.85);
  border-bottom: 1px solid rgba(0,0,0,.06);
  transition: background .3s var(--ease);
}

.nav-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: -.5px;
  background: linear-gradient(135deg, #1a1a1a 0%, #555 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  gap: 1.5rem;
}

.nav-links a {
  font-size: .875rem;
  font-weight: 500;
  color: #444;
  text-decoration: none;
  padding: .4rem .8rem;
  border-radius: 6px;
  min-height: 44px;
  display: flex;
  align-items: center;
  transition: background .2s, color .2s;
}

.nav-links a:hover {
  background: #f0f0f0;
  color: #111;
}

/* ═══════════════════════════════════════════
   SHARED
═══════════════════════════════════════════ */
.zone {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: calc(var(--nav-h) + 3rem) 5% 5rem;
}

.zone__inner {
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 2rem;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease), opacity .2s;
}

.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }


/* ═══════════════════════════════════════════
   ZONE 1 · MINIMAL
═══════════════════════════════════════════ */
.zone--minimal {
  background: #ffffff;
  flex-direction: column;
}

.minimal__label {
  display: inline-block;
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: #999;
  margin-bottom: 1.25rem;
  padding: .35rem .75rem;
  border: 1px solid #e0e0e0;
  border-radius: 100px;
}

.minimal__headline {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -.02em;
  line-height: 1.15;
  color: #111;
  margin-bottom: 1.25rem;
}

.minimal__sub {
  font-size: clamp(.95rem, 2vw, 1.1rem);
  color: #666;
  line-height: 1.75;
  max-width: 540px;
  margin-bottom: 2rem;
}

.minimal__tags {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  margin-bottom: 3rem;
}

.minimal__tags span {
  font-size: .8rem;
  font-weight: 500;
  color: #555;
  background: #f4f4f4;
  padding: .35rem .9rem;
  border-radius: 100px;
  border: 1px solid #e8e8e8;
}

.minimal__works {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  margin-bottom: 3rem;
}

.minimal__card {
  border: 1px solid #ebebeb;
  border-radius: 12px;
  overflow: hidden;
  transition: box-shadow .25s var(--ease), transform .25s var(--ease);
}

.minimal__card:hover {
  box-shadow: 0 8px 32px rgba(0,0,0,.08);
  transform: translateY(-4px);
}

.minimal__card-img {
  height: 140px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.minimal__card-label {
  font-size: .875rem;
  font-weight: 600;
  color: #222;
  padding: 1rem 1rem .3rem;
}

.minimal__card-desc {
  font-size: .8rem;
  color: #888;
  padding: 0 1rem 1rem;
}

.btn--minimal {
  background: #111;
  color: #fff;
  box-shadow: 0 4px 14px rgba(0,0,0,.15);
}

.btn--minimal:hover {
  box-shadow: 0 8px 24px rgba(0,0,0,.22);
}


/* ═══════════════════════════════════════════
   ZONE 2 · DARK / NEON
═══════════════════════════════════════════ */
.zone--dark {
  background: #090b10;
  flex-direction: column;
  overflow: hidden;
}

.dark__canvas {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .5;
}

.dark__inner {
  position: relative;
  z-index: 1;
}

.dark__badge {
  display: inline-block;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: #a78bfa;
  background: rgba(167,139,250,.1);
  border: 1px solid rgba(167,139,250,.3);
  padding: .35rem .85rem;
  border-radius: 100px;
  margin-bottom: 1.5rem;
}

.dark__headline {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -.02em;
  line-height: 1.15;
  color: #fff;
  margin-bottom: 1.25rem;
}

.dark__gradient-text {
  background: linear-gradient(90deg, #a78bfa 0%, #38bdf8 50%, #34d399 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  background-size: 200%;
  animation: gradientShift 4s ease-in-out infinite alternate;
}

@keyframes gradientShift {
  from { background-position: 0% 50%; }
  to   { background-position: 100% 50%; }
}

.dark__sub {
  font-size: clamp(.95rem, 2vw, 1.1rem);
  color: #9ca3af;
  line-height: 1.75;
  max-width: 540px;
  margin-bottom: 2.5rem;
}

.dark__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  margin-bottom: 3rem;
}

.dark__stat {
  text-align: left;
}

.dark__stat-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 3rem;
  font-weight: 700;
  background: linear-gradient(135deg, #a78bfa, #38bdf8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.dark__stat-unit {
  font-size: 1.5rem;
  font-weight: 700;
  color: #a78bfa;
}

.dark__stat p {
  font-size: .85rem;
  color: #6b7280;
  margin-top: .35rem;
}

.dark__cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 3rem;
}

.dark__card {
  position: relative;
  padding: 1.5rem;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.06);
  overflow: hidden;
  transition: border-color .3s, transform .25s var(--ease);
}

.dark__card::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity .3s;
}

.dark__card--1 { background: linear-gradient(135deg, rgba(167,139,250,.07) 0%, rgba(9,11,16,0) 100%); }
.dark__card--2 { background: linear-gradient(135deg, rgba(56,189,248,.07) 0%, rgba(9,11,16,0) 100%); }
.dark__card--3 { background: linear-gradient(135deg, rgba(52,211,153,.07) 0%, rgba(9,11,16,0) 100%); }

.dark__card--1::before { background: linear-gradient(135deg, rgba(167,139,250,.15), transparent); }
.dark__card--2::before { background: linear-gradient(135deg, rgba(56,189,248,.15), transparent); }
.dark__card--3::before { background: linear-gradient(135deg, rgba(52,211,153,.15), transparent); }

.dark__card:hover { border-color: rgba(255,255,255,.15); transform: translateY(-4px); }
.dark__card:hover::before { opacity: 1; }

.dark__card-icon {
  font-size: 1.75rem;
  margin-bottom: .75rem;
}

.dark__card h3 {
  font-size: .95rem;
  font-weight: 600;
  color: #f3f4f6;
  margin-bottom: .4rem;
}

.dark__card p {
  font-size: .8rem;
  color: #6b7280;
  line-height: 1.5;
}

.btn--dark {
  background: linear-gradient(135deg, #7c3aed, #0ea5e9);
  color: #fff;
  box-shadow: 0 0 0 0 rgba(124,58,237,0);
  transition: transform .2s var(--ease), box-shadow .3s;
}

.btn--dark:hover {
  box-shadow: 0 0 30px rgba(124,58,237,.5), 0 4px 20px rgba(14,165,233,.3);
}


/* ═══════════════════════════════════════════
   ZONE 3 · WARM / PASTEL
═══════════════════════════════════════════ */
.zone--warm {
  background: #fffbf5;
  flex-direction: column;
  overflow: hidden;
}

.warm__deco {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}

.warm__deco--1 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, #fde68a55 0%, transparent 70%);
  top: -100px; right: -100px;
  animation: floatDeco 8s ease-in-out infinite;
}

.warm__deco--2 {
  width: 350px; height: 350px;
  background: radial-gradient(circle, #fbcfe855 0%, transparent 70%);
  bottom: 0; left: -80px;
  animation: floatDeco 10s ease-in-out infinite reverse;
}

.warm__deco--3 {
  width: 250px; height: 250px;
  background: radial-gradient(circle, #a7f3d055 0%, transparent 70%);
  top: 40%; left: 60%;
  animation: floatDeco 12s ease-in-out infinite;
}

@keyframes floatDeco {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-20px) scale(1.05); }
}

.warm__inner {
  position: relative;
  z-index: 1;
}

.warm__tag {
  display: inline-block;
  font-family: 'Nunito', sans-serif;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: #d97706;
  background: #fef3c7;
  border: 1px solid #fde68a;
  padding: .35rem .85rem;
  border-radius: 100px;
  margin-bottom: 1.5rem;
}

.warm__headline {
  font-family: 'Nunito', sans-serif;
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  line-height: 1.2;
  color: #1c1917;
  margin-bottom: 1.25rem;
}

.warm__sub {
  font-family: 'Nunito', sans-serif;
  font-size: clamp(.95rem, 2vw, 1.1rem);
  color: #78716c;
  line-height: 1.8;
  max-width: 520px;
  margin-bottom: 3rem;
}

.warm__process {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-bottom: 3rem;
  max-width: 560px;
}

.warm__step {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  padding: 1.25rem 1.5rem;
  background: #fff;
  border-radius: 16px;
  border: 1px solid #f5f0ea;
  box-shadow: 0 2px 12px rgba(0,0,0,.04);
  transition: transform .2s, box-shadow .2s;
}

.warm__step:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0,0,0,.07);
}

.warm__step-num {
  min-width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, #fbbf24, #f87171);
  color: #fff;
  font-family: 'Nunito', sans-serif;
  font-weight: 800;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.warm__step h3 {
  font-family: 'Nunito', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: #1c1917;
  margin-bottom: .25rem;
}

.warm__step p {
  font-size: .875rem;
  color: #78716c;
  line-height: 1.5;
}

.warm__connector {
  width: 2px;
  height: 1.25rem;
  background: linear-gradient(#fbbf24, #f87171);
  margin-left: calc(1.5rem + 19px);
  opacity: .4;
}

.warm__testimonials {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
  margin-bottom: 3rem;
}

.warm__review {
  background: #fff;
  border-radius: 16px;
  padding: 1.5rem;
  border: 1px solid #f5f0ea;
  box-shadow: 0 2px 10px rgba(0,0,0,.04);
}

.warm__review p {
  font-family: 'Nunito', sans-serif;
  font-size: .9rem;
  color: #44403c;
  line-height: 1.7;
  margin-bottom: .75rem;
}

.warm__review span {
  font-size: .8rem;
  color: #a8a29e;
  font-weight: 600;
}

.btn--warm {
  background: linear-gradient(135deg, #fbbf24, #f87171);
  color: #fff;
  box-shadow: 0 4px 20px rgba(251,191,36,.35);
  font-family: 'Nunito', sans-serif;
}

.btn--warm:hover {
  box-shadow: 0 8px 30px rgba(251,191,36,.5);
}


/* ═══════════════════════════════════════════
   CONTACT
═══════════════════════════════════════════ */
.contact {
  background: #f8fafc;
  padding: 6rem 5%;
  border-top: 1px solid #e8ecf0;
}

.contact__inner {
  max-width: 640px;
  margin: 0 auto;
}

.contact__title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
  font-weight: 700;
  color: #111;
  letter-spacing: -.02em;
  margin-bottom: .75rem;
}

.contact__sub {
  font-size: 1rem;
  color: #666;
  margin-bottom: 2.5rem;
}

.contact__form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

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

.form__group {
  display: flex;
  flex-direction: column;
  gap: .4rem;
}

.form__group label {
  font-size: .875rem;
  font-weight: 600;
  color: #333;
}

.form__group input,
.form__group select,
.form__group textarea {
  width: 100%;
  padding: .75rem 1rem;
  border: 1.5px solid #e0e0e0;
  border-radius: 10px;
  font-size: .95rem;
  font-family: 'Inter', sans-serif;
  color: #222;
  background: #fff;
  transition: border-color .2s, box-shadow .2s;
  min-height: 44px;
  outline: none;
}

.form__group input:focus,
.form__group select:focus,
.form__group textarea:focus {
  border-color: #7c3aed;
  box-shadow: 0 0 0 3px rgba(124,58,237,.12);
}

.form__group input.invalid,
.form__group textarea.invalid {
  border-color: #ef4444;
  box-shadow: 0 0 0 3px rgba(239,68,68,.1);
}

.form__error {
  font-size: .8rem;
  color: #ef4444;
  min-height: 1em;
}

.form__group textarea { resize: vertical; min-height: 110px; }
.form__group select { cursor: pointer; }

.btn--contact {
  background: #111;
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  width: 100%;
  max-width: 100%;
  box-shadow: 0 4px 14px rgba(0,0,0,.15);
  border-radius: 10px;
}

.btn--contact:hover {
  background: #222;
  box-shadow: 0 8px 24px rgba(0,0,0,.22);
}

.btn--contact:disabled {
  opacity: .6;
  cursor: not-allowed;
  transform: none;
}

.contact__toast {
  margin-top: 1rem;
  padding: 1rem 1.25rem;
  border-radius: 10px;
  font-size: .9rem;
  font-weight: 500;
  display: none;
  animation: slideUp .3s var(--ease);
}

.contact__toast.success {
  background: #ecfdf5;
  color: #065f46;
  border: 1px solid #a7f3d0;
  display: block;
}

.contact__toast.error {
  background: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
  display: block;
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}


/* ═══════════════════════════════════════════
   FOOTER
═══════════════════════════════════════════ */
.footer {
  background: #111;
  color: #666;
  text-align: center;
  padding: 1.75rem;
  font-size: .85rem;
}


/* ═══════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════ */
@media (max-width: 600px) {
  .nav-links { gap: .5rem; }
  .nav-links a { font-size: .8rem; padding: .3rem .5rem; }

  .zone { padding-top: calc(var(--nav-h) + 2rem); padding-bottom: 3rem; }

  .dark__stats { gap: 1.5rem; }
  .dark__stat-num { font-size: 2.25rem; }

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

  .warm__connector { margin-left: calc(1.5rem + 19px); }
}

@media (max-width: 400px) {
  .nav-links a { padding: .3rem .4rem; font-size: .75rem; }
}

/* ═══════════════════════════════════════════
   SCROLL REVEAL UTILITY
═══════════════════════════════════════════ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .6s var(--ease), transform .6s var(--ease);
}

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