/* ============================================
   EZEQUIEL DEZALOT — Personal Website
   ============================================ */

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

:root {
  --bg:        #08090d;
  --bg-2:      #0e1019;
  --bg-3:      #141720;
  --border:    #1e2232;
  --blue:      #4f8ef7;
  --blue-dim:  #1e3a6e;
  --teal:      #00d4aa;
  --teal-dim:  #003d31;
  --green-wa:  #25d366;
  --text:      #f1f5f9;
  --text-2:    #94a3b8;
  --text-3:    #475569;
  --radius:    16px;
  --radius-sm: 8px;
  --ease:      cubic-bezier(0.4, 0, 0.2, 1);
  --t:         0.3s;
  --max-w:     1200px;
  --font:      'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ---- UTILITIES ---- */

.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }

.label {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 16px;
}

.section-header { text-align: center; max-width: 640px; margin: 0 auto 72px; }
.section-header h2 { font-size: clamp(32px, 5vw, 48px); font-weight: 800; line-height: 1.1; margin-bottom: 16px; }
.section-header p { color: var(--text-2); font-size: 18px; }

/* ---- BUTTONS ---- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  border: none;
  transition: background var(--t) var(--ease), transform var(--t) var(--ease),
              box-shadow var(--t) var(--ease), border-color var(--t) var(--ease), color var(--t) var(--ease);
  white-space: nowrap;
}

.btn--primary { background: var(--blue); color: #fff; }
.btn--primary:hover { background: #3a7ef6; transform: translateY(-2px); box-shadow: 0 8px 32px rgba(79,142,247,0.3); }

.btn--ghost { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn--ghost:hover { border-color: var(--blue); color: var(--blue); transform: translateY(-2px); }

.btn--whatsapp {
  background: var(--green-wa);
  color: #fff;
  margin-bottom: 24px;
  width: 100%;
}
.btn--whatsapp:hover { background: #20ba5a; transform: translateY(-2px); box-shadow: 0 8px 32px rgba(37,211,102,0.3); }

.btn--full { width: 100%; }

/* ---- ANIMATIONS ---- */

.fade-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s var(--ease), transform 0.65s var(--ease);
}
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* ---- NAV ---- */

.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 20px 0;
  transition: background var(--t) var(--ease), padding var(--t) var(--ease), border-color var(--t) var(--ease);
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(8,9,13,0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom-color: var(--border);
  padding: 14px 0;
}
.nav__container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; display: flex; align-items: center; justify-content: space-between; }
.nav__logo { font-size: 15px; font-weight: 900; letter-spacing: 0.06em; text-decoration: none; color: var(--text); }
.nav__logo span { color: var(--blue); }
.nav__links { display: flex; list-style: none; gap: 32px; align-items: center; }
.nav__links a { color: var(--text-2); text-decoration: none; font-size: 14px; font-weight: 500; transition: color var(--t) var(--ease); }
.nav__links a:hover { color: var(--text); }
.nav__cta { background: var(--blue) !important; color: #fff !important; padding: 8px 20px; border-radius: var(--radius-sm); }
.nav__cta:hover { opacity: 0.85; }
.nav__hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 6px; }
.nav__hamburger span { display: block; width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: var(--t) var(--ease); }
.nav__mobile { display: none; padding: 20px 24px; border-top: 1px solid var(--border); background: rgba(8,9,13,0.96); }
.nav__mobile ul { list-style: none; display: flex; flex-direction: column; gap: 20px; }
.nav__mobile a { color: var(--text-2); text-decoration: none; font-size: 16px; font-weight: 500; }
.nav__mobile.open { display: block; }

/* ---- HERO ---- */

.hero {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  position: relative; overflow: hidden;
  padding: 120px 24px 80px;
}
.hero__bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 30% -10%, rgba(79,142,247,0.13) 0%, transparent 70%),
    radial-gradient(ellipse 50% 40% at 90% 90%, rgba(0,212,170,0.07) 0%, transparent 60%);
}
.hero__grid {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 90% 80% at 50% 50%, black 0%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 90% 80% at 50% 50%, black 0%, transparent 80%);
}
.hero__container {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1fr auto;
  gap: 64px; align-items: center;
  max-width: var(--max-w); width: 100%;
}
.hero__badge {
  display: inline-block;
  font-size: 11px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--blue); border: 1px solid var(--blue-dim); background: rgba(79,142,247,0.08);
  padding: 8px 22px; border-radius: 100px; margin-bottom: 36px;
}
.hero__title {
  font-size: clamp(36px, 5.5vw, 68px);
  font-weight: 900; line-height: 1.05; letter-spacing: -0.025em; margin-bottom: 24px;
}
.hero__title span {
  background: linear-gradient(135deg, var(--blue) 0%, var(--teal) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.hero__sub { font-size: 15px; color: var(--text-3); margin-bottom: 48px; letter-spacing: 0.02em; }
.hero__actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* Hero photo */
.hero__photo { flex-shrink: 0; }
.hero__photo-frame {
  width: 300px; height: 380px;
  border-radius: var(--radius);
  overflow: hidden; border: 1px solid var(--border);
  position: relative; background: var(--bg-2);
}
.hero__photo-img { width: 100%; height: 100%; object-fit: cover; display: block; }
.hero__photo-placeholder {
  display: none;
  width: 100%; height: 100%;
  align-items: center; justify-content: center;
  flex-direction: column; gap: 12px;
  background: linear-gradient(135deg, var(--bg-3) 0%, var(--bg-2) 100%);
}
.hero__photo-placeholder span {
  font-size: 48px; font-weight: 900; letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--blue), var(--teal));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.hero__photo-placeholder p { font-size: 12px; color: var(--text-3); text-align: center; line-height: 1.6; }
.hero__photo-placeholder small { font-size: 10px; opacity: 0.6; }
.hero__photo-tags { display: flex; flex-direction: column; gap: 8px; margin-top: 12px; }
.hero__tag {
  font-size: 12px; font-weight: 600; color: var(--text-2);
  background: var(--bg-2); border: 1px solid var(--border);
  padding: 6px 12px; border-radius: var(--radius-sm);
}

.hero__scroll { position: absolute; bottom: 36px; left: 50%; transform: translateX(-50%); }
.hero__scroll span {
  display: block; width: 1.5px; height: 44px;
  background: linear-gradient(to bottom, var(--blue), transparent); margin: 0 auto;
  animation: scrollLine 2s ease-in-out infinite;
}
@keyframes scrollLine {
  0%, 100% { opacity: 0.25; }
  50%       { opacity: 1; }
}

/* ---- PHILOSOPHY ---- */

.philosophy { padding: 120px 0; border-top: 1px solid var(--border); }
.philosophy__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.philosophy__quote .label { display: block; }
.philosophy__quote blockquote {
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 800; line-height: 1.2;
  color: var(--text);
  border-left: 3px solid var(--blue);
  padding-left: 28px;
  font-style: normal;
}
.philosophy__body h2 { font-size: clamp(24px, 3vw, 36px); font-weight: 800; line-height: 1.2; margin-bottom: 20px; }
.philosophy__body p { color: var(--text-2); margin-bottom: 16px; font-size: 16px; line-height: 1.8; }
.philosophy__stats { display: flex; gap: 36px; margin-top: 40px; padding-top: 32px; border-top: 1px solid var(--border); }
.stat__number { display: block; font-size: 38px; font-weight: 900; color: var(--blue); line-height: 1; letter-spacing: -0.02em; }
.stat__label { display: block; font-size: 12px; color: var(--text-3); margin-top: 6px; line-height: 1.4; }

/* ---- SERVICES ---- */

.services { padding: 120px 0; background: var(--bg-2); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.services__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }

.service-card {
  background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 40px; position: relative; overflow: hidden;
  transition: border-color var(--t) var(--ease), transform var(--t) var(--ease);
}
.service-card:hover { border-color: var(--blue); transform: translateY(-4px); }
.service-card:last-child:hover { border-color: var(--teal); }

.service-card__accent { position: absolute; top: 0; left: 0; right: 0; height: 3px; }
.service-card__accent--blue { background: linear-gradient(90deg, var(--blue), transparent 70%); }
.service-card__accent--teal { background: linear-gradient(90deg, var(--teal), transparent 70%); }

.service-card__logo-img { height: 52px; width: auto; max-width: 180px; object-fit: contain; margin-bottom: 24px; display: block; border-radius: 6px; }
.service-card__logo-img--axiona { height: 44px; }

.service-card h3 { font-size: 24px; font-weight: 700; margin-bottom: 14px; }
.service-card > p { color: var(--text-2); font-size: 15px; line-height: 1.75; margin-bottom: 28px; }
.service-card__list { list-style: none; display: flex; flex-direction: column; gap: 12px; margin-bottom: 32px; }
.service-card__list li { font-size: 14px; color: var(--text-2); padding-left: 20px; position: relative; }
.service-card__list li::before { content: '→'; position: absolute; left: 0; color: var(--blue); font-size: 13px; }
.service-card:last-child .service-card__list li::before { color: var(--teal); }
.service-card__tag { font-size: 11px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-3); border-top: 1px solid var(--border); padding-top: 20px; }

/* ---- PROCESS ---- */

.process { padding: 120px 0; }
.process__steps { display: flex; flex-direction: column; max-width: 700px; margin: 0 auto; }

.process__step {
  display: grid; grid-template-columns: 80px 1fr; gap: 32px; align-items: start;
  padding: 32px; border-radius: var(--radius);
  transition: background var(--t) var(--ease);
}
.process__step:hover { background: var(--bg-2); }

.process__num {
  font-size: 40px; font-weight: 900; letter-spacing: -0.03em;
  background: linear-gradient(135deg, var(--blue), var(--teal));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  line-height: 1;
}
.process__body h4 { font-size: 20px; font-weight: 700; margin-bottom: 8px; }
.process__body p { color: var(--text-2); font-size: 15px; line-height: 1.7; }

.process__connector {
  width: 1px; height: 40px;
  background: linear-gradient(to bottom, var(--border), transparent);
  margin-left: 39px;
}

/* ---- PROJECTS ---- */

.projects { padding: 120px 0; background: var(--bg-2); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.projects__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }

.project-item {
  background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 32px;
  transition: border-color var(--t) var(--ease), transform var(--t) var(--ease), background var(--t) var(--ease);
}
.project-item:hover { transform: translateY(-4px); background: var(--bg-3); border-color: rgba(79,142,247,0.3); }
.project-item__icon { font-size: 32px; margin-bottom: 16px; display: block; }
.project-item h4 { font-size: 15px; font-weight: 700; margin-bottom: 8px; }
.project-item p { font-size: 14px; color: var(--text-3); line-height: 1.6; }

/* ---- FAQ ---- */

.faq { padding: 120px 0; }
.faq__list { max-width: 760px; margin: 0 auto; display: flex; flex-direction: column; gap: 2px; }

.faq__item {
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  overflow: hidden; transition: border-color var(--t) var(--ease);
}
.faq__item.open { border-color: var(--blue); }

.faq__question {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 22px 24px;
  background: var(--bg-2); border: none; cursor: pointer; text-align: left;
  color: var(--text); font-family: var(--font); font-size: 16px; font-weight: 600;
  transition: background var(--t) var(--ease);
}
.faq__question:hover { background: var(--bg-3); }
.faq__item.open .faq__question { background: var(--bg-3); }

.faq__icon {
  font-size: 20px; font-weight: 300; color: var(--blue); flex-shrink: 0;
  transition: transform var(--t) var(--ease);
}
.faq__item.open .faq__icon { transform: rotate(45deg); }

.faq__answer {
  max-height: 0; overflow: hidden;
  transition: max-height 0.4s var(--ease), padding 0.3s var(--ease);
}
.faq__item.open .faq__answer { max-height: 300px; }
.faq__answer p { padding: 20px 24px; color: var(--text-2); font-size: 15px; line-height: 1.75; }

/* ---- CONTACT ---- */

.contact { padding: 120px 0; background: var(--bg-2); border-top: 1px solid var(--border); }
.contact__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; }
.contact__info .label { display: block; }
.contact__info h2 { font-size: clamp(28px, 4vw, 42px); font-weight: 800; line-height: 1.15; margin-bottom: 16px; }
.contact__info > p { color: var(--text-2); font-size: 18px; margin-bottom: 28px; }
.contact__links { display: flex; flex-direction: column; gap: 10px; }

.contact__link {
  display: flex; align-items: center; gap: 14px;
  color: var(--text-2); text-decoration: none; font-size: 15px; font-weight: 500;
  padding: 14px 16px; border: 1px solid var(--border); border-radius: var(--radius-sm);
  transition: color var(--t) var(--ease), border-color var(--t) var(--ease), background var(--t) var(--ease);
}
.contact__link:hover { color: var(--text); border-color: var(--blue); background: rgba(79,142,247,0.05); }
.contact__link-icon { font-size: 16px; width: 34px; height: 34px; display: flex; align-items: center; justify-content: center; background: var(--bg-3); border-radius: var(--radius-sm); flex-shrink: 0; }

/* ---- FORM ---- */

.contact__form { display: flex; flex-direction: column; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group label { font-size: 13px; font-weight: 600; color: var(--text-2); }
.form-group .optional { color: var(--text-3); font-weight: 400; }

.form-group input, .form-group textarea {
  background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-sm);
  color: var(--text); font-family: var(--font); font-size: 15px; padding: 13px 16px;
  transition: border-color var(--t) var(--ease), box-shadow var(--t) var(--ease);
  resize: vertical; outline: none;
}
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--text-3); }
.form-group input:focus, .form-group textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(79,142,247,0.12); }

.form-success { text-align: center; color: var(--teal); font-size: 15px; font-weight: 500; padding: 16px; background: rgba(0,212,170,0.08); border: 1px solid rgba(0,212,170,0.2); border-radius: var(--radius-sm); }
.form-error { text-align: center; color: #f87171; font-size: 15px; font-weight: 500; padding: 16px; background: rgba(248,113,113,0.08); border: 1px solid rgba(248,113,113,0.2); border-radius: var(--radius-sm); }

/* ---- FOOTER ---- */

.footer { padding: 32px 0; border-top: 1px solid var(--border); }
.footer__inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
.footer__name { font-weight: 800; font-size: 14px; }
.footer__copy { color: var(--text-3); font-size: 13px; }
.footer__brands { display: flex; align-items: center; gap: 20px; }
.footer__logo { height: 32px; width: auto; object-fit: contain; opacity: 0.65; transition: opacity var(--t) var(--ease); border-radius: 4px; }
.footer__logo--axiona { height: 26px; }
.footer__logo:hover { opacity: 1; }

/* ---- WHATSAPP FLOAT ---- */

.whatsapp-float {
  position: fixed; bottom: 28px; right: 28px; z-index: 99;
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--green-wa); color: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,0.4);
  transition: transform var(--t) var(--ease), box-shadow var(--t) var(--ease);
  text-decoration: none;
}
.whatsapp-float:hover { transform: scale(1.1); box-shadow: 0 8px 32px rgba(37,211,102,0.5); }

/* ---- RESPONSIVE ---- */

@media (max-width: 1024px) {
  .hero__container { grid-template-columns: 1fr; gap: 48px; }
  .hero__photo { display: flex; flex-direction: column; align-items: center; }
  .hero__photo-frame { width: 240px; height: 300px; }
  .hero__photo-tags { flex-direction: row; }
  .hero__content { text-align: center; }
  .hero__badge, .hero__actions { justify-content: center; }
  .hero__actions { justify-content: center; }
}

@media (max-width: 900px) {
  .nav__links { display: none; }
  .nav__hamburger { display: flex; }
  .philosophy__grid, .contact__grid { grid-template-columns: 1fr; gap: 48px; }
  .services__grid { grid-template-columns: 1fr; }
  .projects__grid { grid-template-columns: 1fr 1fr; }
  .philosophy__stats { gap: 24px; }
}

@media (max-width: 600px) {
  .projects__grid { grid-template-columns: 1fr; }
  .hero__actions { flex-direction: column; align-items: stretch; }
  .btn { width: 100%; }
  .footer__inner { flex-direction: column; text-align: center; }
  .philosophy__stats { flex-direction: column; gap: 20px; }
  .process__step { grid-template-columns: 60px 1fr; gap: 20px; }
  .process__num { font-size: 32px; }
  .process__connector { margin-left: 29px; }
}