/* =========================================================
   TECSIFRON 2026
   Technology Market Entry & Business Development — Peru
   Main Stylesheet
   ========================================================= */

/* -------------------------
   ROOT / DESIGN SYSTEM
------------------------- */

:root {
  --bg: #07111c;
  --bg-2: #0b1725;
  --bg-3: #102031;
  --surface: #0f1d2d;
  --surface-2: #14283c;

  --ink: #f7f7f3;
  --ink-soft: #d7dde5;
  --muted: #95a3b4;
  --muted-2: #6f7f90;

  --gold: #d6aa4b;
  --gold-soft: #e4c274;
  --gold-deep: #a97b22;

  --blue: #4ba9e8;
  --blue-soft: #86cff8;
  --blue-deep: #1f6f9e;

  --line: rgba(255, 255, 255, 0.11);
  --line-gold: rgba(214, 170, 75, 0.38);
  --line-blue: rgba(75, 169, 232, 0.35);

  --white: #ffffff;
  --black: #000000;

  --radius-sm: 12px;
  --radius: 20px;
  --radius-lg: 30px;

  --shadow-sm: 0 10px 30px rgba(0, 0, 0, 0.18);
  --shadow: 0 28px 70px rgba(0, 0, 0, 0.34);

  --container: 1240px;
  --header-h: 84px;

  --section-pad: clamp(72px, 8vw, 128px);
  --section-pad-sm: clamp(56px, 6vw, 92px);

  --ease: cubic-bezier(.2, .7, .2, 1);
}

/* -------------------------
   RESET
------------------------- */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 20px);
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 15% 0%, rgba(46, 107, 151, 0.08), transparent 38%),
    linear-gradient(180deg, var(--bg), #08131f 48%, #06101a 100%);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea,
select {
  font: inherit;
}

h1,
h2,
h3,
h4,
p,
ul {
  margin-top: 0;
}

::selection {
  background: rgba(214, 170, 75, 0.28);
  color: var(--white);
}

/* -------------------------
   GLOBAL UTILITIES
------------------------- */

.container {
  width: min(var(--container), calc(100% - 48px));
  margin-inline: auto;
}

.section {
  position: relative;
  padding-block: var(--section-pad);
  overflow: hidden;
}

.section-compact {
  padding-block: var(--section-pad-sm);
}

.section-dark {
  background:
    radial-gradient(circle at 15% 20%, rgba(38, 104, 148, 0.09), transparent 35%),
    linear-gradient(180deg, #081522 0%, #07121d 100%);
}

.section-deep {
  background:
    radial-gradient(circle at 85% 20%, rgba(214, 170, 75, 0.08), transparent 34%),
    linear-gradient(180deg, #07121d 0%, #050d15 100%);
}

.section-light {
  background: #f3f1eb;
  color: #101820;
}

.eyebrow {
  margin-bottom: 14px;
  color: var(--gold);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.section-title {
  margin-bottom: 22px;
  max-width: 980px;
  font-size: clamp(2.2rem, 5vw, 4.5rem);
  line-height: 0.98;
  letter-spacing: -0.04em;
  text-wrap: balance;
}

.section-title-sm {
  font-size: clamp(2rem, 4vw, 3.8rem);
}

.section-subtitle {
  max-width: 840px;
  margin-bottom: 0;
  color: var(--ink-soft);
  font-size: clamp(1.02rem, 1.7vw, 1.28rem);
  line-height: 1.65;
}

.section-light .section-subtitle {
  color: #46515d;
}

.lead {
  color: var(--ink-soft);
  font-size: clamp(1.05rem, 1.55vw, 1.28rem);
  line-height: 1.7;
}

.muted {
  color: var(--muted);
}

.gold {
  color: var(--gold);
}

.center {
  text-align: center;
}

.center .section-title,
.center .section-subtitle {
  margin-inline: auto;
}

.rule {
  width: 70px;
  height: 2px;
  margin: 24px 0 28px;
  background: linear-gradient(90deg, var(--gold), rgba(214, 170, 75, 0));
}

.section-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  margin-bottom: 18px;
  border: 1px solid var(--line-gold);
  border-radius: 50%;
  color: var(--gold);
  font-weight: 800;
}

/* -------------------------
   HEADER
------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  min-height: var(--header-h);
  border-bottom: 1px solid rgba(214, 170, 75, 0.18);
  background: rgba(246, 243, 236, 0.95);
  color: #0f1720;
  backdrop-filter: blur(16px);
}

.nav-wrap {
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 26px;
}

.brand {
  flex: 0 0 auto;
  font-size: 1rem;
  font-weight: 900;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.brand-mark {
  display: flex;
  align-items: center;
  gap: 11px;
}

.brand-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 5px rgba(214, 170, 75, 0.12);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(16px, 2.2vw, 32px);
  margin-left: auto;
}

.nav a {
  position: relative;
  color: #25303b;
  font-size: 0.92rem;
  white-space: nowrap;
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -7px;
  width: 100%;
  height: 2px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .25s var(--ease);
}

.nav a:hover::after {
  transform: scaleX(1);
}

/* -------------------------
   BUTTONS
------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 52px;
  padding: 14px 24px;
  border: 1px solid transparent;
  border-radius: 999px;
  background: var(--gold);
  color: #111923;
  font-weight: 800;
  cursor: pointer;
  transition:
    transform .25s var(--ease),
    background .25s var(--ease),
    border-color .25s var(--ease);
}

.btn:hover {
  transform: translateY(-2px);
  background: var(--gold-soft);
}

.btn-small {
  min-height: 44px;
  padding: 11px 19px;
  font-size: 0.9rem;
}

.btn-outline {
  border-color: rgba(255, 255, 255, 0.34);
  background: transparent;
  color: var(--white);
}

.btn-outline:hover {
  border-color: var(--gold);
  background: rgba(214, 170, 75, 0.09);
}

.btn-dark {
  background: #101820;
  color: var(--white);
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

/* -------------------------
   HERO
------------------------- */

.hero {
  min-height: calc(100vh - var(--header-h));
  display: flex;
  align-items: center;
  padding-block: clamp(58px, 7vw, 100px);
  background:
    radial-gradient(circle at 74% 42%, rgba(44, 132, 189, 0.13), transparent 32%),
    linear-gradient(135deg, #091727 0%, #0a1929 48%, #07111c 100%);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(520px, 1.1fr);
  gap: clamp(36px, 5vw, 70px);
  align-items: center;
}

.hero-copy {
  position: relative;
  z-index: 2;
}

.hero h1 {
  margin-bottom: 28px;
  max-width: 760px;
  font-size: clamp(3.2rem, 7vw, 6.8rem);
  line-height: 0.9;
  letter-spacing: -0.055em;
  text-transform: uppercase;
}

.hero .lead {
  max-width: 680px;
  font-size: clamp(1.08rem, 1.55vw, 1.26rem);
}

.hero-micro {
  margin-top: 28px;
  color: #aec1d2;
  font-size: 0.82rem;
  line-height: 1.8;
  letter-spacing: 0.04em;
}

.hero-visual-wrap {
  position: relative;
}

.hero-visual-wrap::before {
  content: "";
  position: absolute;
  inset: 7% auto 7% -7%;
  width: 22%;
  z-index: 2;
  background: linear-gradient(90deg, #091727 0%, rgba(9, 23, 39, 0));
  pointer-events: none;
}

.hero-visual {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  border: 1px solid rgba(255, 255, 255, 0.10);
}

/* -------------------------
   VISUAL FRAMES
------------------------- */

.visual-frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #0b1623;
  box-shadow: var(--shadow);
}

.visual-frame img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.visual-frame.no-crop img {
  aspect-ratio: auto;
  object-fit: contain;
  background: #08131f;
}

.visual-caption {
  position: absolute;
  left: 22px;
  bottom: 18px;
  padding: 7px 12px;
  border-radius: 999px;
  background: rgba(5, 14, 24, 0.72);
  color: var(--ink-soft);
  font-size: 0.73rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  backdrop-filter: blur(8px);
}

/* -------------------------
   SECTION 02 — CHALLENGE
------------------------- */

.challenge-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.7fr) minmax(520px, 1.3fr);
  gap: clamp(36px, 5vw, 72px);
  align-items: center;
}

.question-list {
  display: grid;
  gap: 11px;
  margin: 30px 0;
}

.question-item {
  padding: 16px 18px;
  border-left: 2px solid var(--gold);
  background: rgba(255, 255, 255, 0.035);
  color: var(--ink-soft);
}

.challenge-quote {
  margin-top: 30px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  color: var(--gold-soft);
  font-size: clamp(1.18rem, 2vw, 1.5rem);
  font-weight: 800;
}

/* -------------------------
   SECTION 03 — APPROACH
------------------------- */

.approach-intro {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 40px;
  align-items: end;
  margin-bottom: 42px;
}

.approach-visual {
  margin-bottom: 46px;
}

.process-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.process-card {
  min-height: 155px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.025);
}

.process-card strong {
  display: block;
  margin-bottom: 8px;
  color: var(--gold);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
}

/* -------------------------
   MODEL TRANSITION
------------------------- */

.activation-transition {
  padding-block: 46px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #091522;
}

.activation-transition-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 30px;
  align-items: center;
}

.activation-transition-card {
  padding: 26px;
}

.activation-transition-card h3 {
  margin-bottom: 7px;
  font-size: clamp(1.35rem, 2.5vw, 2rem);
}

.activation-transition-card p {
  margin: 0;
  color: var(--muted);
}

.activation-transition-divider {
  width: 1px;
  height: 80px;
  background: var(--line-gold);
}

/* -------------------------
   MODEL SECTIONS 04 / 05
------------------------- */

.model-section {
  padding-block: var(--section-pad);
}

.model-header {
  max-width: 920px;
  margin-bottom: 34px;
}

.model-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  color: var(--gold);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.model-kicker::before {
  content: "";
  width: 34px;
  height: 1px;
  background: var(--gold);
}

.model-visual {
  margin-bottom: 38px;
}

.model-support {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.model-support-card {
  padding: 22px;
  border-top: 1px solid var(--line-gold);
  background: rgba(255, 255, 255, 0.025);
}

.model-support-card h4 {
  margin-bottom: 8px;
  font-size: 1rem;
}

.model-support-card p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

/* -------------------------
   SECTION 06 — REE
------------------------- */

.ree-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(520px, 1.12fr);
  gap: 54px;
  align-items: center;
}

.ree-points {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-top: 34px;
}

.ree-point {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.025);
}

.ree-point .num {
  display: block;
  margin-bottom: 5px;
  color: var(--gold);
  font-size: 0.76rem;
  font-weight: 800;
}

.market-memory-line {
  margin-top: 30px;
  color: var(--gold-soft);
  font-size: clamp(1.15rem, 2vw, 1.5rem);
  font-weight: 800;
}

/* -------------------------
   SECTION 07 — INDUSTRIES
------------------------- */

.industries-visual {
  margin-top: 40px;
}

.industry-tabs {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  margin-top: 20px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.industry-tab {
  padding: 18px 12px;
  border-right: 1px solid var(--line);
  text-align: center;
  color: var(--ink-soft);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.industry-tab:last-child {
  border-right: 0;
}

.industry-detail-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 28px;
}

.industry-detail {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.025);
}

.industry-detail h3 {
  margin-bottom: 7px;
  color: var(--gold-soft);
  font-size: 1rem;
}

.industry-detail p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

/* -------------------------
   SECTION 08 — WHY TECSIFRON
------------------------- */

.why-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(520px, 1.28fr);
  gap: 54px;
  align-items: center;
}

.capability-list {
  display: grid;
  gap: 0;
  margin-top: 28px;
}

.capability-item {
  padding: 20px 0;
  border-top: 1px solid var(--line);
}

.capability-item:last-child {
  border-bottom: 1px solid var(--line);
}

.capability-item h3 {
  margin-bottom: 7px;
  color: var(--gold-soft);
  font-size: 1rem;
}

.capability-item p {
  margin: 0;
  color: var(--muted);
}

.epvs-note {
  margin-top: 26px;
  padding: 20px 22px;
  border-left: 2px solid var(--blue);
  background: rgba(75, 169, 232, 0.055);
}

.epvs-note strong {
  display: block;
  margin-bottom: 5px;
  color: var(--blue-soft);
}

/* -------------------------
   SECTION 09 — ENGAGEMENT
------------------------- */

.engagement-visual {
  margin-top: 36px;
}

.engagement-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin-top: 30px;
}

.engagement-card {
  position: relative;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.015));
}

.engagement-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 26px;
  bottom: 26px;
  width: 2px;
  background: var(--gold);
}

.engagement-card .eng-num {
  color: var(--gold);
  font-size: 0.78rem;
  font-weight: 900;
}

.engagement-card h3 {
  margin: 8px 0 10px;
  font-size: clamp(1.25rem, 2vw, 1.7rem);
}

.engagement-card p {
  margin-bottom: 12px;
  color: var(--muted);
}

.engagement-card .best {
  margin-bottom: 0;
  color: var(--ink-soft);
  font-style: italic;
}

/* -------------------------
   SECTION 10 — FINAL CTA
------------------------- */

.final-cta {
  position: relative;
  min-height: 760px;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: #08131f;
}

.final-cta-bg {
  position: absolute;
  inset: 0;
}

.final-cta-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.final-cta-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      90deg,
      rgba(4, 13, 23, 0.97) 0%,
      rgba(4, 13, 23, 0.93) 26%,
      rgba(4, 13, 23, 0.70) 42%,
      rgba(4, 13, 23, 0.24) 62%,
      rgba(4, 13, 23, 0.06) 100%
    );
}

.final-cta-content {
  position: relative;
  z-index: 2;
  width: min(680px, 52%);
  padding-block: 90px;
}

.final-cta h2 {
  margin-bottom: 28px;
  font-size: clamp(3rem, 6vw, 6rem);
  line-height: 0.92;
  letter-spacing: -0.055em;
  text-transform: uppercase;
}

.final-cta .support {
  max-width: 620px;
  color: var(--ink-soft);
  font-size: clamp(1.05rem, 1.6vw, 1.28rem);
  line-height: 1.7;
}

.industry-line {
  margin-top: 34px;
  color: #d6dde5;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

/* -------------------------
   CONTACT FORM
------------------------- */

.contact-section {
  padding-block: var(--section-pad);
  background: #f4f1ea;
  color: #111820;
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: start;
}

.contact-copy .eyebrow {
  color: var(--gold-deep);
}

.contact-copy .section-title {
  color: #111820;
}

.contact-copy p {
  color: #4a5662;
}

.contact-form {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.form-field {
  display: grid;
  gap: 8px;
}

.form-field.full {
  grid-column: 1 / -1;
}

.form-field label {
  color: #2f3944;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.form-field input,
.form-field textarea,
.form-field select {
  width: 100%;
  border: 1px solid #cdd3d8;
  border-radius: 10px;
  outline: none;
  background: #ffffff;
  color: #131b24;
  padding: 15px 16px;
  transition: border-color .2s ease, box-shadow .2s ease;
}

.form-field input:focus,
.form-field textarea:focus,
.form-field select:focus {
  border-color: var(--gold-deep);
  box-shadow: 0 0 0 3px rgba(169, 123, 34, 0.10);
}

.form-field textarea {
  min-height: 150px;
  resize: vertical;
}

.form-actions {
  grid-column: 1 / -1;
  margin-top: 5px;
}

/* -------------------------
   FOOTER
------------------------- */

.site-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: #050c13;
  color: var(--muted);
}

.footer-main {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 50px;
  padding-block: 48px;
}

.footer-brand {
  color: var(--white);
  font-size: 1rem;
  font-weight: 900;
  letter-spacing: 0.1em;
}

.footer-copy {
  max-width: 560px;
  margin-top: 12px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 18px 24px;
}

.footer-links a:hover {
  color: var(--gold-soft);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 22px 0 26px;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  font-size: 0.82rem;
}

/* -------------------------
   ACCESSIBILITY / FOCUS
------------------------- */

a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 3px solid rgba(214, 170, 75, 0.45);
  outline-offset: 3px;
}

/* -------------------------
   RESPONSIVE — LARGE TABLET
------------------------- */

@media (max-width: 1100px) {

  :root {
    --header-h: 76px;
  }

  .container {
    width: min(var(--container), calc(100% - 36px));
  }

  .nav {
    display: none;
  }

  .hero-grid,
  .challenge-grid,
  .ree-layout,
  .why-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero-grid {
    gap: 38px;
  }

  .hero-copy {
    max-width: 830px;
  }

  .hero-visual-wrap::before {
    display: none;
  }

  .approach-intro,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .model-support {
    grid-template-columns: 1fr;
  }

  .industry-tabs {
    grid-template-columns: repeat(3, 1fr);
  }

  .industry-tab:nth-child(3) {
    border-right: 0;
  }

  .industry-tab:nth-child(-n+3) {
    border-bottom: 1px solid var(--line);
  }

  .industry-detail-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-main {
    grid-template-columns: 1fr;
  }

  .footer-links {
    justify-content: flex-start;
  }
}

/* -------------------------
   RESPONSIVE — TABLET
------------------------- */

@media (max-width: 820px) {

  .section {
    padding-block: 70px;
  }

  .site-header {
    min-height: 70px;
  }

  .nav-wrap {
    min-height: 70px;
  }

  .site-header .btn-small {
    padding-inline: 15px;
  }

  .hero h1 {
    font-size: clamp(3rem, 13vw, 5.3rem);
  }

  .process-strip {
    grid-template-columns: repeat(2, 1fr);
  }

  .activation-transition-grid {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .activation-transition-divider {
    width: 100%;
    height: 1px;
  }

  .ree-points {
    grid-template-columns: 1fr;
  }

  .engagement-grid {
    grid-template-columns: 1fr;
  }

  .final-cta {
    min-height: 680px;
  }

  .final-cta-content {
    width: min(620px, 78%);
  }

  .contact-form {
    grid-template-columns: 1fr;
  }

  .form-field.full,
  .form-actions {
    grid-column: auto;
  }
}

/* -------------------------
   RESPONSIVE — MOBILE
------------------------- */

@media (max-width: 600px) {

  .container {
    width: min(100% - 28px, var(--container));
  }

  .brand {
    font-size: 0.88rem;
  }

  .site-header .btn-small {
    min-height: 40px;
    padding: 9px 13px;
    font-size: 0.78rem;
  }

  .hero {
    padding-top: 42px;
    padding-bottom: 60px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    margin-bottom: 20px;
    font-size: clamp(2.75rem, 16vw, 4.7rem);
  }

  .hero-micro {
    font-size: 0.72rem;
  }

  .hero-visual,
  .visual-frame {
    border-radius: 18px;
  }

  .section-title {
    font-size: clamp(2.15rem, 11vw, 3.5rem);
  }

  .section-subtitle,
  .lead {
    font-size: 1rem;
  }

  .process-strip,
  .industry-detail-grid {
    grid-template-columns: 1fr;
  }

  .industry-tabs {
    grid-template-columns: repeat(2, 1fr);
  }

  .industry-tab:nth-child(odd) {
    border-right: 1px solid var(--line);
  }

  .industry-tab:nth-child(even) {
    border-right: 0;
  }

  .industry-tab {
    border-bottom: 1px solid var(--line);
  }

  .final-cta {
    min-height: 720px;
    align-items: flex-end;
  }

  .final-cta-bg::after {
    background:
      linear-gradient(
        180deg,
        rgba(4, 13, 23, 0.12) 0%,
        rgba(4, 13, 23, 0.40) 38%,
        rgba(4, 13, 23, 0.92) 67%,
        rgba(4, 13, 23, 0.98) 100%
      );
  }

  .final-cta-bg img {
    object-position: 66% center;
  }

  .final-cta-content {
    width: 100%;
    padding-block: 68px 54px;
  }

  .final-cta h2 {
    font-size: clamp(2.8rem, 14vw, 4.6rem);
  }

  .btn-row {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    width: 100%;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
.footer-bottom span {
    font-size: 0.92rem;
    line-height: 1.5;
}
    
}

/* -------------------------
   EXTRA SMALL
------------------------- */

@media (max-width: 420px) {

  .brand {
    letter-spacing: 0.07em;
  }

  .site-header .btn-small {
    font-size: 0.72rem;
  }

  .hero h1 {
    font-size: 2.75rem;
  }

  .industry-tabs {
    grid-template-columns: 1fr;
  }

  .industry-tab {
    border-right: 0 !important;
  }
}

/* =========================================
   TECSIFRON HEADER LOGO
   ========================================= */

.brand-logo {
    display: block;
    width: auto;
    height: 135px;
    max-width: 300px;
    object-fit: contain;
}

@media (max-width: 820px) {
    .brand-logo {
        height: 46px;
        max-width: 180px;
    }
}

@media (max-width: 600px) {
    .brand-logo {
        height: 55px;
        max-width: 190px;
    }
}

/* ==========================================
   LINKEDIN FOOTER
   ========================================== */

.footer-social {
    padding-top: 24px;
    padding-bottom: 24px;
}

.linkedin-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: #f7f7f3;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.95rem;
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.linkedin-icon {
    width: 22px;
    height: 22px;
    flex-shrink: 0;
}

.linkedin-link:hover {
    opacity: 0.82;
    transform: translateY(-1px);
}

/* ==========================================
   CONTACT FORM STATUS MESSAGES
   ========================================== */

.contact-status {
    display: none;
    width: 100%;
    margin: 0 0 28px;
    padding: 20px 24px;
    border-radius: 12px;
    font-size: 0.98rem;
    line-height: 1.6;
}

.contact-status.is-visible {
    display: block;
}

.contact-status strong {
    display: block;
    margin-bottom: 5px;
    font-size: 1.05rem;
    font-weight: 800;
}

.contact-status span {
    display: block;
}

.contact-status.success {
    background: rgba(40, 167, 69, 0.12);
    border: 1px solid rgba(40, 167, 69, 0.45);
    color: #155724;
}

.contact-status.error {
    background: rgba(190, 55, 55, 0.10);
    border: 1px solid rgba(190, 55, 55, 0.40);
    color: #8b1e1e;
}

@media (max-width: 600px) {
    .contact-status {
        padding: 16px 18px;
        margin-bottom: 22px;
        font-size: 0.92rem;
    }

    .contact-status strong {
        font-size: 1rem;
    }
}

/* ==========================================
   WHATSAPP FLOATING CONTACT
   ========================================== */

.whatsapp-float {
    position: fixed;
    right: 22px;
    bottom: 34px;
    z-index: 999;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    border-radius: 999px;
    background: #25D366;
    color: #ffffff;
    text-decoration: none;
    font-weight: 800;
    font-size: 0.92rem;
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.22);
    transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
}

.whatsapp-float:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 34px rgba(0, 0, 0, 0.28);
}

.whatsapp-icon {
    width: 22px;
    height: 22px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    flex-shrink: 0;
}

.whatsapp-icon svg {
    width: 100%;
    height: 100%;
    display: block;
}


.whatsapp-label {
    display: inline-block;
}

@media (max-width: 600px) {
    .whatsapp-float {
        position: fixed;
        right: 14px;
        bottom: 72px;
        z-index: 9999;
        width: 54px;
        height: 54px;
        padding: 0;
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: 50%;
    }

    .whatsapp-label {
        display: none;
    }

    .whatsapp-icon {
    width: 26px;
    height: 26px;
}
}

/* =========================================
   LANGUAGE SWITCHER — EN | ES
   ========================================= */

.language-switcher {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-left: auto;
    margin-right: 14px;
    white-space: nowrap;
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.08em;
}

.language-link {
    color: #66717a;
    text-decoration: none;
    transition: color 0.2s ease;
}

a.language-link:hover {
    color: #0b1d2c;
}

.language-link.active {
    color: #d9a93e;
}

.language-separator {
    color: #a5abb0;
    font-weight: 400;
}

/* MOBILE LANGUAGE SWITCHER */

@media (max-width: 600px) {

    .language-switcher {
        gap: 4px;
        margin-left: auto;
        margin-right: 8px;
        font-size: 0.66rem;
        letter-spacing: 0.04em;
    }

}