/* ============================================================
   LANDING PAGE — Alessandro Web Designer
   Fonts: Syne (titoli) + DM Sans (corpo)
   Palette: #0f0f0f (bg) · #1a1a1a (surface) · #ff5c00 (accento)
   ============================================================ */

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

:root {
  --c-bg:        #0f0f0f;
  --c-surface:   #1a1a1a;
  --c-surface-2: #222222;
  --c-accent:    #ff5c00;
  --c-accent-h:  #ff7a29;
  --c-text:      #f0ede8;
  --c-muted:     #9a9590;
  --c-border:    #2a2a2a;
  --c-star:      #ffb800;

  --font-head: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;

  --radius:   8px;
  --radius-lg: 16px;
  --max-w:    1140px;
  --max-w-sm: 720px;

  --section-py: clamp(64px, 10vw, 120px);
  --gap:        clamp(20px, 4vw, 32px);
}

html {
  scroll-behavior: smooth;
  background: var(--c-bg);
  color: var(--c-text);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: clamp(15px, 1.8vw, 17px);
  line-height: 1.65;
  overflow-x: hidden;
  background: var(--c-bg);
}

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

a {
  color: inherit;
  text-decoration: none;
}

strong {
  font-weight: 600;
  color: var(--c-text);
}

/* ---------- UTILITY ---------- */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: clamp(20px, 5vw, 48px);
}

.container--narrow {
  max-width: var(--max-w-sm);
}

.text-center { text-align: center; }

.text-accent { color: var(--c-accent); }

.section {
  padding-block: var(--section-py);
}

.section__title {
  font-family: var(--font-head);
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: clamp(12px, 2vw, 20px);
}

.section__sub {
  color: var(--c-muted);
  font-size: 1.05rem;
  margin-bottom: clamp(32px, 5vw, 56px);
}

/* ---------- BUTTONS ---------- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--c-accent);
  color: #fff;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1.05rem;
  padding: 16px 32px;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
  box-shadow: 0 4px 24px rgba(255, 92, 0, 0.35);
  white-space: nowrap;
}

.btn-primary:hover {
  background: var(--c-accent-h);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(255, 92, 0, 0.5);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-primary.btn-large {
  font-size: 1.2rem;
  padding: 20px 44px;
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--c-muted);
  font-weight: 500;
  font-size: 0.95rem;
  border-bottom: 1px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}

.btn-ghost:hover {
  color: var(--c-text);
  border-color: var(--c-text);
}

.link-accent {
  color: var(--c-accent);
  font-weight: 600;
  border-bottom: 1px solid currentColor;
  transition: opacity 0.2s;
}

.link-accent:hover { opacity: 0.75; }

/* ---------- REVEAL ANIMATION ---------- */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

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

/* ---------- HERO ---------- */
.hero {
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-block: 80px 60px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 70% 50%, rgba(255, 92, 0, 0.06) 0%, transparent 70%),
    radial-gradient(ellipse 40% 60% at 10% 80%, rgba(255, 92, 0, 0.04) 0%, transparent 60%);
  pointer-events: none;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: center;
}

.hero__eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-accent);
  background: rgba(255, 92, 0, 0.1);
  border: 1px solid rgba(255, 92, 0, 0.25);
  border-radius: 100px;
  padding: 5px 14px;
  margin-bottom: 24px;
}

.hero__headline {
  font-family: var(--font-head);
  font-size: clamp(2.2rem, 5.5vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

.hero__sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--c-muted);
  max-width: 480px;
  margin-bottom: 36px;
  line-height: 1.7;
}

.hero__sub strong {
  color: var(--c-text);
}

.hero__ctas {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 32px;
}

.hero__trust {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
}

.hero__trust li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--c-muted);
  font-weight: 500;
}

/* Hero visual */
.hero__visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero__device {
  width: 100%;
  max-width: 460px;
  background: var(--c-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--c-border);
  overflow: hidden;
  box-shadow: 0 24px 80px rgba(0,0,0,.6), 0 0 0 1px rgba(255,255,255,.04);
  position: relative;
}

.hero__device::before {
  content: '';
  display: block;
  height: 36px;
  background: var(--c-surface-2);
  border-bottom: 1px solid var(--c-border);
}

.hero__device::after {
  content: '● ● ●';
  position: absolute;
  top: 10px;
  left: 14px;
  font-size: 0.6rem;
  letter-spacing: 4px;
  color: var(--c-border);
}

.hero__screen {
  padding: 0;
  line-height: 0;
}

.hero__placeholder {
  width: 100%;
  height: auto;
  display: block;
}

/* ---------- PROBLEMA ---------- */
.section--problem {
  background: var(--c-surface);
  border-top: 1px solid var(--c-border);
  border-bottom: 1px solid var(--c-border);
}

.problem__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--gap);
  margin-top: clamp(32px, 5vw, 56px);
}

.problem__card {
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: clamp(24px, 4vw, 36px);
  transition: border-color 0.3s, transform 0.3s;
}

.problem__card:hover {
  border-color: rgba(255, 92, 0, 0.4);
  transform: translateY(-4px);
}

.problem__icon {
  width: 52px;
  height: 52px;
  background: rgba(255, 92, 0, 0.1);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--c-accent);
  border: 1px solid rgba(255, 92, 0, 0.2);
}

.problem__card h3 {
  font-family: var(--font-head);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--c-text);
}

.problem__card p {
  color: var(--c-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ---------- PORTFOLIO ---------- */
.section--portfolio .section__title,
.section--portfolio .section__sub {
  text-align: center;
}

.portfolio__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--gap);
}

.portfolio__card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
}

.portfolio__card:hover {
  border-color: rgba(255, 92, 0, 0.35);
  transform: translateY(-5px);
  box-shadow: 0 16px 48px rgba(0,0,0,.4);
}

.portfolio__img-wrap {
  display: block;
  position: relative;
  overflow: hidden;
  aspect-ratio: 8/5;
}

.portfolio__img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.portfolio__card:hover .portfolio__img-wrap img {
  transform: scale(1.04);
}

.portfolio__overlay {
  position: absolute;
  inset: 0;
  background: rgba(255, 92, 0, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s;
}

.portfolio__card:hover .portfolio__overlay {
  opacity: 1;
}

.portfolio__overlay span {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1rem;
  color: #fff;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.portfolio__info {
  padding: 20px 24px;
}

.portfolio__info h3 {
  font-family: var(--font-head);
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.portfolio__sector {
  font-size: 0.78rem;
  color: var(--c-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 4px;
}

.portfolio__result {
  font-size: 0.9rem;
  color: var(--c-text);
  font-weight: 400;
  line-height: 1.5;
}

/* ---------- PROCESSO ---------- */
.section--process {
  background: var(--c-surface);
  border-top: 1px solid var(--c-border);
  border-bottom: 1px solid var(--c-border);
}

.section--process .section__title {
  text-align: center;
}

.process__steps {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 0;
  align-items: start;
  margin-top: clamp(40px, 6vw, 64px);
  margin-bottom: clamp(40px, 6vw, 56px);
}

.process__step {
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: clamp(24px, 3vw, 36px);
  text-align: center;
  transition: border-color 0.3s;
}

.process__step:hover {
  border-color: rgba(255, 92, 0, 0.4);
}

.process__connector {
  width: clamp(20px, 4vw, 48px);
  height: 2px;
  background: linear-gradient(90deg, var(--c-border), var(--c-accent), var(--c-border));
  align-self: center;
  flex-shrink: 0;
  margin-inline: 4px;
  margin-top: -8px;
}

.process__num {
  font-family: var(--font-head);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  color: transparent;
  -webkit-text-stroke: 2px var(--c-accent);
  line-height: 1;
  margin-bottom: 16px;
  opacity: 0.8;
}

.process__step h3 {
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.process__step p {
  color: var(--c-muted);
  font-size: 0.9rem;
  line-height: 1.7;
}

.process__cta {
  display: flex;
  justify-content: center;
}

/* ---------- TESTIMONIANZE ---------- */
.section--testimonials .section__title {
  text-align: center;
}

.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--gap);
  margin-top: clamp(32px, 5vw, 56px);
}

.testimonial {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: clamp(24px, 3vw, 32px);
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: border-color 0.3s, transform 0.3s;
}

.testimonial:hover {
  border-color: rgba(255, 92, 0, 0.3);
  transform: translateY(-3px);
}

.testimonial__stars {
  color: var(--c-star);
  font-size: 1rem;
  letter-spacing: 2px;
}

.testimonial p {
  color: var(--c-text);
  font-size: 1rem;
  line-height: 1.75;
  flex: 1;
  font-style: italic;
}

.testimonial footer {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: auto;
}

.testimonial__avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  border: 2px solid var(--c-border);
}

.testimonial__name {
  display: block;
  font-style: normal;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--c-text);
}

.testimonial__role {
  display: block;
  font-size: 0.82rem;
  color: var(--c-muted);
  margin-top: 2px;
}

/* ---------- PRICING ---------- */
.section--pricing {
  background: var(--c-surface);
  border-top: 1px solid var(--c-border);
  border-bottom: 1px solid var(--c-border);
}

.section--pricing .section__title {
  text-align: center;
}

.pricing__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--gap);
  max-width: 860px;
  margin-inline: auto;
  margin-top: clamp(32px, 5vw, 56px);
  align-items: start;
}

.pricing__card {
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: clamp(28px, 4vw, 40px);
  display: flex;
  flex-direction: column;
  gap: 24px;
  position: relative;
  transition: border-color 0.3s, transform 0.3s;
}

.pricing__card:hover {
  border-color: rgba(255, 92, 0, 0.3);
  transform: translateY(-4px);
}

.pricing__card--featured {
  border-color: rgba(255, 92, 0, 0.5);
  background: linear-gradient(160deg, rgba(255, 92, 0, 0.05) 0%, var(--c-bg) 60%);
  box-shadow: 0 0 0 1px rgba(255, 92, 0, 0.2), 0 16px 48px rgba(255, 92, 0, 0.1);
}

.pricing__badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--c-accent);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: 100px;
  white-space: nowrap;
}

.pricing__header h3 {
  font-family: var(--font-head);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.pricing__price {
  display: flex;
  align-items: baseline;
  gap: 6px;
  flex-wrap: wrap;
}

.pricing__from {
  font-size: 0.85rem;
  color: var(--c-muted);
}

.pricing__price strong {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
  color: var(--c-accent);
  line-height: 1;
}

.pricing__sub {
  font-size: 0.9rem;
  color: var(--c-muted);
}

.pricing__features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}

.pricing__features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.92rem;
  color: var(--c-text);
}

.pricing__features svg {
  flex-shrink: 0;
}

.pricing__payment {
  font-size: 0.8rem;
  color: var(--c-muted);
  text-align: center;
}

/* ---------- FAQ ---------- */
.section--faq .section__title {
  text-align: center;
  margin-bottom: clamp(32px, 5vw, 56px);
}

.faq__list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.faq__item {
  border-bottom: 1px solid var(--c-border);
}

.faq__item:last-child {
  border-bottom: none;
}

.faq__question {
  width: 100%;
  background: var(--c-surface);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 28px;
  text-align: left;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  color: var(--c-text);
  transition: background 0.2s, color 0.2s;
}

.faq__question:hover {
  background: var(--c-surface-2);
  color: var(--c-accent);
}

.faq__question[aria-expanded="true"] {
  color: var(--c-accent);
  background: rgba(255, 92, 0, 0.05);
}

.faq__icon {
  flex-shrink: 0;
  transition: transform 0.3s ease;
  color: var(--c-muted);
}

.faq__question[aria-expanded="true"] .faq__icon {
  transform: rotate(180deg);
  color: var(--c-accent);
}

.faq__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  background: var(--c-bg);
}

.faq__answer.open {
  max-height: 300px;
}

.faq__answer p {
  padding: 20px 28px 24px;
  color: var(--c-muted);
  font-size: 0.95rem;
  line-height: 1.75;
}

/* ---------- CTA FINALE ---------- */
.section--cta-final {
  background: var(--c-surface);
  border-top: 1px solid var(--c-border);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.section--cta-final::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 70% at 50% 50%, rgba(255, 92, 0, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.cta-final__headline {
  font-family: var(--font-head);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.cta-final__sub {
  color: var(--c-muted);
  font-size: clamp(1rem, 2vw, 1.15rem);
  margin-bottom: 36px;
  line-height: 1.7;
}

.cta-final__whatsapp {
  margin-top: 20px;
  font-size: 0.95rem;
  color: var(--c-muted);
}

/* ---------- FOOTER ---------- */
.footer {
  background: var(--c-bg);
  border-top: 1px solid var(--c-border);
  padding-block: 32px;
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer p {
  font-size: 0.85rem;
  color: var(--c-muted);
}

.footer__links {
  display: flex;
  gap: 24px;
}

.footer__links a {
  font-size: 0.85rem;
  color: var(--c-muted);
  transition: color 0.2s;
}

.footer__links a:hover {
  color: var(--c-text);
}

/* ============================================================
   RESPONSIVE — TABLET (max 900px)
   ============================================================ */
@media (max-width: 900px) {
  .hero__inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero__sub {
    max-width: none;
    margin-inline: auto;
  }

  .hero__ctas {
    justify-content: center;
  }

  .hero__trust {
    justify-content: center;
  }

  .hero__visual {
    order: -1;
    max-width: 420px;
    margin-inline: auto;
  }

  .problem__grid {
    grid-template-columns: 1fr;
    max-width: 520px;
    margin-inline: auto;
  }

  .process__steps {
    grid-template-columns: 1fr;
    max-width: 420px;
    margin-inline: auto;
    gap: 0;
  }

  .process__connector {
    width: 2px;
    height: 32px;
    background: linear-gradient(180deg, var(--c-border), var(--c-accent), var(--c-border));
    margin: 4px auto;
    margin-inline: auto;
    margin-top: 0;
  }

  .testimonials__grid {
    grid-template-columns: 1fr;
    max-width: 520px;
    margin-inline: auto;
  }

  .pricing__grid {
    grid-template-columns: 1fr;
    max-width: 460px;
  }
}

/* ============================================================
   RESPONSIVE — MOBILE (max 600px)
   ============================================================ */
@media (max-width: 600px) {
  .hero {
    padding-block: 60px 48px;
  }

  .hero__headline {
    font-size: clamp(1.9rem, 8vw, 2.5rem);
  }

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

  .faq__question {
    padding: 18px 20px;
  }

  .faq__answer p {
    padding: 16px 20px 20px;
  }

  .footer__inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .btn-primary.btn-large {
    width: 100%;
    justify-content: center;
    font-size: 1.05rem;
    padding: 18px 24px;
  }
}

/* ============================================================
   FOCUS VISIBLE (accessibilità)
   ============================================================ */
:focus-visible {
  outline: 2px solid var(--c-accent);
  outline-offset: 3px;
  border-radius: 3px;
}

/* ============================================================
   REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .btn-primary,
  .portfolio__card,
  .problem__card,
  .testimonial,
  .process__step,
  .pricing__card {
    transition: none;
  }
}