/* ══════════════════════════════════════════
   SMELEC Website — Modern Redesign 2025
   Brand: SMELEC BRAND 2.0 Identity Guide
   Colors: #021d49 / #3a8dde / #93d500
   Fonts:  Josefine Sans (headings) + Lora (body)
   ══════════════════════════════════════════ */

/* ── VARIABLES ── */
:root {
  /* Brand Primary Colors (SMELEC BRAND 2.0) */
  --navy:       #021d49;   /* PANTONE 2768 C */
  --navy-2:     #0a2558;
  --blue:       #3a8dde;   /* PANTONE 279 C  */
  --blue-hover: #2a7dce;
  --blue-light: #5ba3e8;

  /* Brand Accent Colors */
  --green:      #93d500;   /* PANTONE 375 C — lime green */
  --yellow:     #ffc844;   /* PANTONE 1225 C */
  --red-accent: #fe3b1f;   /* PANTONE Bright Red C */

  /* Functional */
  --purple:     #5c35a0;
  --green-ok:   #2E7D32;

  /* Neutrals */
  --white:    #FFFFFF;
  --gray-50:  #F8FAFC;
  --gray-100: #F1F5F9;
  --gray-200: #E2E8F0;
  --gray-300: #CBD5E1;
  --gray-400: #94A3B8;
  --gray-500: #64748B;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1E293B;
  --gray-900: #0F172A;

  /* Brand Typography (SMELEC BRAND 2.0) */
  --font:    'Lora', Georgia, serif;          /* body text */
  --display: 'Josefine Sans', sans-serif;     /* headings + UI */

  /* Layout */
  --nav-h:   72px;
  --max-w:   1280px;
  --r:       8px;
  --r-lg:    16px;
  --r-xl:    24px;

  /* Shadows */
  --sh-sm: 0 1px 3px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.06);
  --sh:    0 4px 6px rgba(0,0,0,.07), 0 10px 15px rgba(0,0,0,.05);
  --sh-lg: 0 10px 25px rgba(0,0,0,.1), 0 20px 48px rgba(0,0,0,.08);
  --sh-xl: 0 20px 60px rgba(0,0,0,.15);

  --t: all .25s cubic-bezier(.4,0,.2,1);
}

/* ── RESET ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font);
  color: var(--gray-800);
  background: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
}
h1, h2, h3, h4, h5, h6 { font-family: var(--display); }
img  { max-width: 100%; height: auto; }
a    { text-decoration: none; color: inherit; }
ul   { list-style: none; }
button { border: none; cursor: pointer; background: none; font-family: var(--display); }
input, textarea, select { font-family: var(--font); }

/* ── UTILITIES ── */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
}
.section-tag {
  display: inline-block;
  padding: .35rem 1rem;
  background: rgba(58,141,222,.1);
  color: var(--blue);
  font-family: var(--display);
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  border-radius: 100px;
  margin-bottom: 1rem;
}
.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 3.5rem;
}
.section-header h2 {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--gray-900);
  margin-bottom: 1rem;
}
.section-header p {
  color: var(--gray-500);
  font-size: 1rem;
  line-height: 1.75;
}

/* ── BUTTONS ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .7rem 1.5rem;
  font-family: var(--display);
  font-size: .9rem;
  font-weight: 700;
  letter-spacing: .5px;
  border-radius: var(--r);
  transition: var(--t);
  cursor: pointer;
  white-space: nowrap;
  border: 2px solid transparent;
}
.btn-lg   { padding: .9rem 2rem; font-size: 1rem; }
.btn-full { width: 100%; justify-content: center; }

.btn-primary {
  background: var(--blue);
  color: var(--white);
  border-color: var(--blue);
}
.btn-primary:hover {
  background: var(--blue-hover);
  border-color: var(--blue-hover);
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(58,141,222,.35);
}
.btn-white {
  background: var(--white);
  color: var(--navy);
  border-color: var(--white);
  font-weight: 700;
}
.btn-white:hover {
  background: var(--gray-100);
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(0,0,0,.15);
}
.btn-outline-white {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,.6);
}
.btn-outline-white:hover {
  border-color: var(--white);
  background: rgba(255,255,255,.1);
}

/* ── NAVBAR ── */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  background: #ffffff;
  border-bottom: 1px solid rgba(2,29,73,.08);
  will-change: transform;
  transition: transform .38s cubic-bezier(.4,0,.2,1);
}
.navbar.hidden {
  transform: translateY(-100%);
  box-shadow: none;
}
.navbar::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--blue) 0%, var(--green) 100%);
  opacity: .55;
  transition: opacity .3s ease;
}
.navbar.scrolled {
  box-shadow: 0 4px 24px rgba(2,29,73,.1);
}
.navbar.scrolled::after { opacity: 1; }

.nav-container {
  max-width: var(--max-w);
  width: 100%;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.nav-logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.nav-logo-img {
  height: 44px;
  width: auto;
  display: block;
  object-fit: contain;
  transition: opacity .3s ease;
}
.footer-logo-img {
  height: 52px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: .1rem;
  flex: 1;
}
.nav-links li { position: relative; }
.nav-links a {
  display: flex;
  align-items: center;
  gap: .3rem;
  padding: .5rem .85rem;
  color: var(--navy);
  font-family: var(--display);
  font-size: .82rem;
  font-weight: 600;
  letter-spacing: .5px;
  text-transform: uppercase;
  border-radius: var(--r);
  transition: var(--t);
}
.nav-links a:hover { color: var(--blue); background: rgba(2,29,73,.05); }
.nav-links a i { font-size: .6rem; }

/* Dropdown */
.has-dropdown .dropdown {
  position: absolute;
  top: calc(100% + .5rem);
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  background: var(--navy);
  border: 1px solid rgba(58,141,222,.2);
  border-radius: var(--r-lg);
  padding: .5rem;
  min-width: 220px;
  box-shadow: var(--sh-xl);
  opacity: 0;
  visibility: hidden;
  transition: var(--t);
  pointer-events: none;
}
.has-dropdown:hover .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
  pointer-events: all;
}
.dropdown a {
  display: flex !important;
  align-items: center;
  gap: .75rem;
  padding: .65rem 1rem !important;
  color: rgba(255,255,255,.75) !important;
  font-family: var(--display);
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: .5px;
  border-radius: var(--r);
  background: transparent !important;
}
.dropdown a:hover { background: rgba(58,141,222,.12) !important; color: var(--green) !important; }
.dropdown a i { width: 18px; color: var(--blue); font-size: .85rem !important; }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-shrink: 0;
}
.lang-toggle {
  display: flex;
  align-items: center;
  gap: .35rem;
  color: rgba(2,29,73,.35);
  font-family: var(--display);
  font-size: .78rem;
}
.lang-btn {
  color: rgba(2,29,73,.5);
  font-family: var(--display);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: 1px;
  padding: .2rem .35rem;
  border-radius: 4px;
  transition: var(--t);
}
.lang-btn.active {
  color: var(--navy);
  background: rgba(147,213,0,.25);
}
.lang-btn:hover { color: var(--navy); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: var(--t);
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: var(--nav-h);
  left: 0; right: 0;
  background: var(--navy);
  border-top: 1px solid rgba(58,141,222,.2);
  padding: 1.5rem 2rem;
  box-shadow: 0 10px 30px rgba(0,0,0,.4);
  z-index: 999;
  transform: translateY(-110%);
  transition: var(--t);
}
.mobile-menu.open { transform: translateY(0); }
.mobile-menu ul {
  display: flex;
  flex-direction: column;
  gap: .2rem;
  margin-bottom: 1.25rem;
}
.mobile-menu a {
  display: block;
  padding: .7rem 1rem;
  color: rgba(255,255,255,.8);
  font-family: var(--display);
  font-size: .85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .5px;
  border-radius: var(--r);
  transition: var(--t);
}
.mobile-menu a:hover { background: rgba(58,141,222,.15); color: var(--green); }
.mobile-lang {
  display: flex;
  align-items: center;
  gap: .5rem;
  margin-bottom: 1rem;
}
.mobile-lang .lang-btn {
  color: rgba(255,255,255,.5);
  padding: .3rem .6rem;
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--r);
}
.mobile-lang .lang-btn.active { color: var(--green); border-color: var(--green); background: rgba(147,213,0,.08); }

/* ── HERO ── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--navy);
}
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(58,141,222,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(58,141,222,.06) 1px, transparent 1px);
  background-size: 60px 60px;
}
.hero-gradient {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(58,141,222,.4) 0%, transparent 55%),
    radial-gradient(ellipse at 80% 20%, rgba(147,213,0,.12) 0%, transparent 50%),
    radial-gradient(ellipse at 60% 85%, rgba(58,141,222,.1) 0%, transparent 40%);
}
.hero-content {
  position: relative;
  z-index: 2;
  padding-top: calc(var(--nav-h) + 5rem);
  padding-bottom: 5rem;
  max-width: 880px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(58,141,222,.3);
  color: rgba(255,255,255,.85);
  padding: .4rem 1rem;
  border-radius: 100px;
  font-family: var(--display);
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}
.badge-dot {
  width: 8px; height: 8px;
  background: var(--green);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%,100% { opacity:1; transform:scale(1); }
  50%     { opacity:.7; transform:scale(1.3); }
}
.hero-title {
  font-size: clamp(2.4rem, 5.5vw, 4rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--white);
  margin-bottom: 1.5rem;
  letter-spacing: -.5px;
}
.gradient-text {
  background: linear-gradient(135deg, var(--blue), var(--green));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-subtitle {
  font-family: var(--font);
  font-size: 1.1rem;
  color: rgba(255,255,255,.58);
  max-width: 560px;
  line-height: 1.8;
  margin-bottom: 2.5rem;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 3rem;
}
.hero-stats {
  display: flex;
  align-items: center;
  gap: 2rem;
  padding-top: 2.5rem;
  border-top: 1px solid rgba(255,255,255,.1);
}
.hero-stat { text-align: center; }
.stat-num {
  display: block;
  font-family: var(--display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1;
}
.stat-label {
  display: block;
  font-family: var(--display);
  font-size: .72rem;
  color: rgba(255,255,255,.4);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: .25rem;
}
.hero-divider {
  width: 1px; height: 40px;
  background: rgba(255,255,255,.1);
}
.hero-scroll {
  position: absolute;
  bottom: 2rem; left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .5rem;
  color: rgba(255,255,255,.3);
  font-family: var(--display);
  font-size: .68rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  z-index: 2;
}
.scroll-indicator {
  width: 24px; height: 38px;
  border: 2px solid rgba(255,255,255,.15);
  border-radius: 12px;
  display: flex;
  justify-content: center;
  padding-top: 6px;
}
.scroll-indicator span {
  width: 4px; height: 8px;
  background: var(--green);
  border-radius: 2px;
  animation: scrollDot 2s infinite;
}
@keyframes scrollDot {
  0%   { transform: translateY(0); opacity:1; }
  100% { transform: translateY(12px); opacity:0; }
}

/* ── SOLUTIONS ── */
.solutions { padding: 6rem 0; background: var(--white); }
.solutions-grid {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  gap: 1.5rem;
}
.solution-card {
  position: relative;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--r-lg);
  padding: 2rem;
  transition: var(--t);
  overflow: hidden;
}
.solution-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--blue);
  transform: scaleX(0);
  transition: var(--t);
}
.solution-card:hover {
  border-color: transparent;
  box-shadow: var(--sh-lg);
  transform: translateY(-4px);
}
.solution-card:hover::before { transform: scaleX(1); }
.solution-card.featured {
  background: var(--navy);
  border-color: var(--navy);
}
.solution-card.featured::before { background: var(--green); transform: scaleX(1); }
.solution-card.featured h3 { color: rgba(255,255,255,.9); }
.solution-card.featured p  { color: rgba(255,255,255,.5); }
.solution-card.featured .card-features li { color: rgba(255,255,255,.55); }
.solution-card.featured .card-link { color: var(--green); }
.solution-card.featured .card-features li i { color: var(--green); }

.card-badge {
  position: absolute;
  top: 1rem; right: 1rem;
  background: var(--green);
  color: var(--navy);
  font-family: var(--display);
  font-size: .65rem;
  font-weight: 700;
  padding: .2rem .6rem;
  border-radius: 100px;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.card-icon {
  width: 52px; height: 52px;
  border-radius: var(--r);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 1.25rem;
}
.card-icon.blue   { background: rgba(58,141,222,.1);  color: var(--blue); }
.card-icon.green  { background: rgba(147,213,0,.1);   color: var(--green); }
.card-icon.yellow { background: rgba(255,200,68,.12); color: #c49000; }
.card-icon.purple { background: rgba(92,53,160,.1);   color: var(--purple); }

.solution-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: .75rem;
}
.solution-card p {
  font-size: .875rem;
  color: var(--gray-500);
  line-height: 1.7;
  margin-bottom: 1.25rem;
  font-family: var(--font);
}
.card-features {
  display: flex;
  flex-direction: column;
  gap: .4rem;
  margin-bottom: 1.5rem;
}
.card-features li {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-family: var(--display);
  font-size: .78rem;
  font-weight: 600;
  color: var(--gray-600);
}
.card-features li i { color: var(--blue); font-size: .7rem; }
.card-link {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-family: var(--display);
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .5px;
  text-transform: uppercase;
  color: var(--blue);
  transition: var(--t);
}
.card-link:hover { gap: .7rem; }

/* ── STATS ── */
.stats-section {
  background: var(--navy);
  padding: 4.5rem 0;
  border-top:    1px solid rgba(58,141,222,.1);
  border-bottom: 1px solid rgba(58,141,222,.1);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4,1fr);
}
.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 1.5rem 1rem;
  border-right: 1px solid rgba(58,141,222,.12);
}
.stat-item:last-child { border-right: none; }
.stat-number-wrap {
  display: flex;
  align-items: flex-start;
  line-height: 1;
  margin-bottom: .5rem;
}
.stat-number {
  font-family: var(--display);
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1;
}
.stat-plus {
  font-family: var(--display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--green);
  margin-top: .3rem;
}
.stat-item .stat-label {
  font-family: var(--display);
  font-size: .72rem;
  font-weight: 600;
  color: rgba(255,255,255,.3);
  text-transform: uppercase;
  letter-spacing: 1.5px;
}

/* ── ABOUT ── */
.about { padding: 6rem 0; background: var(--gray-50); }
.about-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}
.about-content h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 700;
  color: var(--navy);
  line-height: 1.2;
  margin-bottom: 1.25rem;
}
.about-content > p {
  font-family: var(--font);
  color: var(--gray-500);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 1rem;
}
.about-features {
  display: flex;
  flex-direction: column;
  gap: .85rem;
  margin: 2rem 0;
}
.feature-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background: var(--white);
  border-radius: var(--r);
  border: 1px solid var(--gray-200);
  transition: var(--t);
}
.feature-item:hover { border-color: var(--blue); box-shadow: var(--sh); }
.feature-item > i { font-size: 1.35rem; color: var(--blue); width: 28px; text-align: center; flex-shrink: 0; }
.feature-item strong { display: block; font-family: var(--display); font-size: .9rem; font-weight: 700; color: var(--navy); margin-bottom: .1rem; }
.feature-item span   { font-family: var(--font); font-size: .82rem; color: var(--gray-500); }

/* Tech Diagram */
.about-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 380px;
}
.tech-diagram {
  position: relative;
  width: 340px; height: 340px;
}
.td-ring {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  border-radius: 50%;
}
.td-ring-1 { width: 280px; height: 280px; border: 1px dashed rgba(58,141,222,.2); animation: spinSlow 30s linear infinite; }
.td-ring-2 { width: 180px; height: 180px; border: 1px dashed rgba(147,213,0,.2); animation: spinSlow 20s linear infinite reverse; }
@keyframes spinSlow { to { transform: translate(-50%,-50%) rotate(360deg); } }

.td-center {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  width: 80px; height: 80px;
  background: var(--navy);
  border-radius: 50%;
  border: 2px solid rgba(58,141,222,.4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: var(--blue);
  z-index: 2;
  box-shadow: 0 0 0 12px rgba(58,141,222,.06), 0 0 0 28px rgba(58,141,222,.03);
}
.td-node {
  position: absolute;
  width: 52px; height: 52px;
  background: var(--white);
  border: 2px solid var(--gray-200);
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: var(--sh);
  transition: var(--t);
  z-index: 2;
}
.td-node:hover { border-color: var(--green); box-shadow: var(--sh-lg); transform: scale(1.1); }
.td-node i    { font-size: .85rem; color: var(--blue); }
.td-node span { font-family: var(--display); font-size: .45rem; font-weight: 700; color: var(--gray-500); text-transform: uppercase; letter-spacing: .5px; margin-top: 1px; }

.td-node-1 { top: calc(50% - 140px - 26px); left: calc(50% - 26px); }
.td-node-2 { top: calc(50% - 43px - 26px);  left: calc(50% + 133px - 26px); }
.td-node-3 { top: calc(50% + 113px - 26px); left: calc(50% + 82px - 26px); }
.td-node-4 { top: calc(50% + 113px - 26px); left: calc(50% - 82px - 26px); }
.td-node-5 { top: calc(50% - 43px - 26px);  left: calc(50% - 133px - 26px); }

/* ── PRODUCT FEATURE ── */
.product-feature { padding: 6rem 0; }
.feature-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.feature-content h2 {
  font-size: clamp(1.6rem, 2.5vw, 2.2rem);
  font-weight: 700;
  color: var(--navy);
  line-height: 1.25;
  margin-bottom: 1rem;
}
.feature-content > p {
  font-family: var(--font);
  color: var(--gray-500);
  line-height: 1.8;
  margin-bottom: 2rem;
}
.feature-list { display: flex; flex-direction: column; gap: 1.25rem; margin-bottom: 2rem; }
.feature-row { display: flex; gap: 1rem; align-items: flex-start; }
.feature-row > i { font-size: 1.25rem; width: 26px; flex-shrink: 0; margin-top: 2px; }
.feature-row strong { display: block; font-family: var(--display); font-size: .95rem; font-weight: 700; color: var(--navy); margin-bottom: .2rem; }
.feature-row p { font-family: var(--font); font-size: .85rem; color: var(--gray-500); line-height: 1.6; margin: 0; }

.c-blue   { color: var(--blue); }
.c-green  { color: var(--green); }
.c-yellow { color: var(--yellow); }

/* Monitor Mockup */
.monitor-mockup {
  background: #050f1e;
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--sh-xl);
  border: 1px solid rgba(58,141,222,.15);
}
.monitor-header {
  display: flex;
  align-items: center;
  gap: .45rem;
  padding: .75rem 1rem;
  background: #0a1a2e;
  border-bottom: 1px solid rgba(58,141,222,.1);
}
.dot { width: 10px; height: 10px; border-radius: 50%; }
.dot.red    { background: #FF5F57; }
.dot.yellow { background: #FEBC2E; }
.dot.green  { background: #28C840; }
.monitor-title {
  font-family: var(--display);
  font-size: .7rem;
  color: rgba(255,255,255,.65);
  margin-left: .5rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
}
.monitor-body { padding: 1.25rem; }
.monitor-stat-row {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: .75rem;
  margin-bottom: 1.25rem;
}
.m-stat {
  background: rgba(58,141,222,.06);
  border: 1px solid rgba(58,141,222,.1);
  border-radius: var(--r);
  padding: .75rem;
  text-align: center;
}
.m-stat-value {
  display: block;
  font-family: var(--display);
  font-size: 1.4rem;
  font-weight: 700;
}
.m-stat-label {
  display: block;
  font-family: var(--display);
  font-size: .65rem;
  color: rgba(255,255,255,.55);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: .2rem;
}
.m-green  { color: var(--green); }
.m-blue   { color: #60A5FA; }
.m-orange { color: #FB923C; }
.monitor-chart {
  background: rgba(58,141,222,.04);
  border: 1px solid rgba(58,141,222,.08);
  border-radius: var(--r);
  padding: 1rem;
  margin-bottom: 1rem;
  height: 80px;
  display: flex;
  align-items: flex-end;
}
.chart-bars {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  width: 100%;
  height: 100%;
}
.bar {
  flex: 1;
  height: var(--h);
  background: rgba(58,141,222,.3);
  border-radius: 3px 3px 0 0;
}
.bar.active { background: var(--blue); }
.monitor-devices { display: flex; flex-direction: column; gap: .4rem; }
.device {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-family: var(--display);
  font-size: .72rem;
  font-weight: 600;
  color: rgba(255,255,255,.8);
  padding: .45rem .65rem;
  border-radius: 4px;
  background: rgba(255,255,255,.04);
}
.device span:first-child { width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0; }
.device.online  span:first-child { background: var(--green); box-shadow: 0 0 6px var(--green); }
.device.warning span:first-child { background: var(--yellow); box-shadow: 0 0 6px var(--yellow); }
.device.offline span:first-child { background: #6b7280; }

/* ── PARTNERS ── */
.partners { padding: 5rem 0; background: var(--gray-50); }
.partners-track-wrapper {
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, black 8%, black 92%, transparent);
}
.partners-track {
  display: flex;
  gap: 1.5rem;
  animation: scrollTrack 22s linear infinite;
  width: max-content;
}
@keyframes scrollTrack {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
.partner-logo {
  flex-shrink: 0;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--r-lg);
  padding: 1.5rem 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 180px;
  height: 90px;
  transition: var(--t);
}
.partner-logo:hover { border-color: var(--blue); box-shadow: var(--sh); }
.partner-name {
  font-family: var(--display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--gray-400);
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  line-height: 1.3;
  transition: var(--t);
}
.partner-logo:hover .partner-name { color: var(--navy); }

/* ── SERVICES TABS ── */
.services-detail { padding: 6rem 0; background: var(--white); }
.tabs-nav {
  display: flex;
  gap: .4rem;
  border-bottom: 2px solid var(--gray-200);
  margin-bottom: 2.5rem;
  overflow-x: auto;
  scrollbar-width: none;
}
.tabs-nav::-webkit-scrollbar { display: none; }
.tab-btn {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .75rem 1.25rem;
  font-family: var(--display);
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .5px;
  text-transform: uppercase;
  color: var(--gray-500);
  border-radius: var(--r) var(--r) 0 0;
  transition: var(--t);
  white-space: nowrap;
  margin-bottom: -2px;
  border-bottom: 2px solid transparent;
}
.tab-btn:hover { color: var(--navy); background: var(--gray-50); }
.tab-btn.active { color: var(--navy); border-bottom-color: var(--green); background: rgba(147,213,0,.05); }

.tab-panel { display: none; }
.tab-panel.active { display: block; }

.panel-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.panel-grid h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 1rem;
}
.panel-grid > div > p {
  font-family: var(--font);
  color: var(--gray-500);
  line-height: 1.8;
  margin-bottom: 1.5rem;
}
.check-list { display: flex; flex-direction: column; gap: .6rem; margin-bottom: 1.75rem; }
.check-list li {
  display: flex;
  align-items: center;
  gap: .65rem;
  font-family: var(--font);
  font-size: .9rem;
  color: var(--gray-700);
}
.check-list li::before {
  content: '';
  width: 7px; height: 7px;
  background: var(--green);
  border-radius: 50%;
  flex-shrink: 0;
}

.panel-image {
  background: var(--gray-100);
  border-radius: var(--r-xl);
  height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

/* PLC visual */
.plc-visual { display: flex; gap: 12px; padding: 2rem; align-items: flex-end; }
.plc-module {
  width: 56px; height: 150px;
  background: var(--gray-300);
  border-radius: 6px;
  border: 2px solid var(--gray-400);
}
.plc-module.c-teal-border   { background: rgba(58,141,222,.1); border-color: var(--blue); }
.plc-module.c-orange-border { background: rgba(147,213,0,.1);  border-color: var(--green); }
.plc-leds { position: absolute; top: 1.5rem; right: 1.5rem; display: flex; flex-direction: column; gap: 8px; }
.led { width: 10px; height: 10px; border-radius: 50%; }
.led.green  { background: var(--green); box-shadow: 0 0 6px var(--green); }
.led.yellow { background: var(--yellow); box-shadow: 0 0 6px var(--yellow); }

/* SCADA visual */
.scada-visual { width: 88%; }
.scada-screen { background: var(--navy); border-radius: var(--r); overflow: hidden; border: 2px solid rgba(58,141,222,.15); }
.scada-bar { height: 28px; background: rgba(58,141,222,.4); }
.scada-content { padding: 1rem; display: grid; grid-template-columns: 1fr auto; gap: 1rem; }
.scada-chart { background: rgba(58,141,222,.06); border-radius: 4px; height: 120px; }
.scada-gauges { display: flex; flex-direction: column; gap: .5rem; }
.gauge {
  width: 56px; height: 56px;
  border-radius: 50%;
  border: 4px solid rgba(58,141,222,.2);
  border-top-color: var(--blue);
  animation: spin 3s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* IoT visual */
.iot-visual { position: relative; width: 220px; height: 220px; display: flex; align-items: center; justify-content: center; }
.iot-center {
  width: 68px; height: 68px;
  background: var(--navy);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; color: var(--blue);
  z-index: 2;
  box-shadow: 0 0 0 12px rgba(58,141,222,.08), 0 0 0 24px rgba(58,141,222,.04);
}
.iot-nodes { position: absolute; inset: 0; }
.iot-node {
  position: absolute;
  width: 46px; height: 46px;
  background: var(--white);
  border: 2px solid var(--gray-200);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; color: var(--green);
  box-shadow: var(--sh);
}
.iot-node:nth-child(1) { top: 0;   left: 50%; transform: translateX(-50%); }
.iot-node:nth-child(2) { right: 0; top: 50%;  transform: translateY(-50%); }
.iot-node:nth-child(3) { bottom:0; left: 50%; transform: translateX(-50%); }
.iot-node:nth-child(4) { left: 0;  top: 50%;  transform: translateY(-50%); }

/* Integration visual */
.integ-visual { position: relative; width: 200px; height: 200px; display: flex; align-items: center; justify-content: center; }
.integ-hub {
  width: 68px; height: 68px;
  background: var(--blue);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; color: var(--white);
  z-index: 2;
}
.integ-connections { position: absolute; inset: 0; }
.conn-item {
  position: absolute;
  display: flex; flex-direction: column; align-items: center; gap: 3px;
  font-family: var(--display);
  font-size: .6rem; font-weight: 700; text-transform: uppercase; color: var(--gray-600);
}
.conn-item i { font-size: 1.15rem; color: var(--blue); }
.conn-item:nth-child(1) { top: 0;   left: 50%; transform: translateX(-50%); }
.conn-item:nth-child(2) { right: 0; top: 50%;  transform: translateY(-50%); }
.conn-item:nth-child(3) { bottom:0; left: 50%; transform: translateX(-50%); }
.conn-item:nth-child(4) { left: 0;  top: 50%;  transform: translateY(-50%); }

/* Support visual */
.support-visual { position: relative; display: flex; align-items: center; justify-content: center; }
.support-icon {
  width: 120px; height: 120px;
  background: var(--navy);
  border: 3px solid var(--blue);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 3rem; color: var(--blue);
  box-shadow: 0 0 0 16px rgba(58,141,222,.06), 0 0 0 32px rgba(58,141,222,.03);
}
.support-badge {
  position: absolute;
  top: -8px; right: -8px;
  background: var(--green);
  color: var(--navy);
  width: 60px; height: 60px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  flex-direction: column;
  font-family: var(--display); font-weight: 800;
}
.support-badge span { font-size: 1.25rem; line-height: 1; }
.support-badge small { font-size: .55rem; }

/* ── CTA BANNER ── */
.cta-banner {
  position: relative;
  background: var(--navy);
  overflow: hidden;
  padding: 5.5rem 0;
  border-top: 1px solid rgba(58,141,222,.1);
}
.cta-bg   { position: absolute; inset: 0; }
.cta-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(58,141,222,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(58,141,222,.06) 1px, transparent 1px);
  background-size: 40px 40px;
}
.cta-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}
.cta-content h2 {
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 1rem;
}
.cta-content p {
  font-family: var(--font);
  color: rgba(255,255,255,.6);
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 2.5rem;
}
.cta-content .gradient-text {
  background: linear-gradient(135deg, var(--blue), var(--green));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

/* ── CONTACT ── */
.contact { padding: 6rem 0; background: var(--white); }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 5rem;
  align-items: start;
}
.contact-info h2 {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 700;
  color: var(--navy);
  line-height: 1.2;
  margin-bottom: 1rem;
}
.contact-info > p {
  font-family: var(--font);
  color: var(--gray-500);
  line-height: 1.8;
  margin-bottom: 2rem;
}
.contact-items { display: flex; flex-direction: column; gap: 1.25rem; }
.contact-item  { display: flex; align-items: center; gap: 1rem; }
.contact-icon  {
  width: 44px; height: 44px;
  background: rgba(58,141,222,.08);
  color: var(--blue);
  border-radius: var(--r);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; flex-shrink: 0;
}
.contact-item strong { display: block; font-family: var(--display); font-size: .75rem; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; color: var(--gray-400); margin-bottom: .1rem; }
.contact-item a { font-family: var(--font); font-size: .95rem; font-weight: 500; color: var(--gray-800); transition: var(--t); }
.contact-item a:hover { color: var(--blue); }

.contact-form-wrapper {
  background: var(--gray-50);
  border-radius: var(--r-xl);
  padding: 2.5rem;
  border: 1px solid var(--gray-200);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group { margin-bottom: 1rem; }
.form-group label {
  display: block;
  font-family: var(--display);
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--navy);
  margin-bottom: .4rem;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: .7rem 1rem;
  background: var(--white);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--r);
  font-size: .9rem;
  color: var(--gray-800);
  transition: var(--t);
  outline: none;
  resize: vertical;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(58,141,222,.12);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--gray-400); }

/* ── FOOTER ── */
.footer {
  background: var(--navy);
  color: rgba(255,255,255,.65);
  padding-top: 5rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 4rem;
  border-bottom: 1px solid rgba(58,141,222,.1);
}
.footer-logo { margin-bottom: 1.25rem; display: inline-block; }
.footer-logo .logo-text { color: var(--white); }
.footer-logo .logo-sub  { color: var(--green); }
.footer-brand p {
  font-family: var(--font);
  font-size: .875rem;
  line-height: 1.75;
  color: rgba(255,255,255,.35);
  max-width: 280px;
  margin-bottom: 1.5rem;
}
.social-links { display: flex; gap: .75rem; }
.social-links a {
  width: 38px; height: 38px;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(58,141,222,.15);
  border-radius: var(--r);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,.4);
  font-size: .9rem;
  transition: var(--t);
}
.social-links a:hover { background: var(--blue); border-color: var(--blue); color: var(--white); }
.footer-col h4 {
  font-family: var(--display);
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--white);
  margin-bottom: 1.25rem;
}
.footer-col ul  { display: flex; flex-direction: column; gap: .55rem; }
.footer-col a   { font-family: var(--font); font-size: .875rem; color: rgba(255,255,255,.35); transition: var(--t); }
.footer-col a:hover { color: var(--green); }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 0;
  font-family: var(--display);
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .5px;
  color: rgba(255,255,255,.2);
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-links { display: flex; gap: 1.5rem; }
.footer-links a { color: rgba(255,255,255,.2); transition: var(--t); }
.footer-links a:hover { color: var(--green); }

/* ── BACK TO TOP ── */
.back-to-top {
  position: fixed;
  bottom: 2rem; right: 2rem;
  width: 44px; height: 44px;
  background: var(--blue);
  color: var(--white);
  border-radius: var(--r);
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--sh-lg);
  opacity: 0; visibility: hidden;
  transition: var(--t);
  z-index: 100;
  font-size: .9rem;
}
.back-to-top.visible { opacity: 1; visibility: visible; }
.back-to-top:hover { background: var(--navy); border: 1px solid var(--blue); transform: translateY(-2px); }

/* ── AOS (scroll reveal) ── */
[data-aos] {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .6s ease, transform .6s ease;
}
[data-aos].visible { opacity: 1; transform: translateY(0); }
[data-aos][data-aos-delay="100"] { transition-delay: .1s; }
[data-aos][data-aos-delay="150"] { transition-delay: .15s; }
[data-aos][data-aos-delay="200"] { transition-delay: .2s; }
[data-aos][data-aos-delay="300"] { transition-delay: .3s; }

/* ── RESPONSIVE ── */
@media (max-width: 1200px) {
  .solutions-grid { grid-template-columns: repeat(2,1fr); }
  .stats-grid     { grid-template-columns: repeat(2,1fr); }
  .stat-item:nth-child(2) { border-right: none; }
  .stat-item:nth-child(odd) { border-right: 1px solid rgba(58,141,222,.12); }
}

@media (max-width: 1024px) {
  .nav-links  { display: none; }
  .nav-cta    { display: none; }
  .hamburger  { display: flex; }
  .about-block, .feature-block, .contact-grid, .panel-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .about-visual { min-height: 320px; }
  .footer-grid  { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .solutions-grid { grid-template-columns: 1fr; }
  .stats-grid     { grid-template-columns: 1fr 1fr; }
  .stat-item:nth-child(even){ border-right: none; }
  .form-row       { grid-template-columns: 1fr; }
  .footer-grid    { grid-template-columns: 1fr; }
  .contact-form-wrapper { padding: 1.5rem; }
  .hero-stats     { flex-wrap: wrap; gap: 1rem; }

  /* Reducir padding de secciones */
  .solutions, .about, .product-feature, .services-detail, .contact { padding: 3.5rem 0; }
  .stats-section  { padding: 3rem 0; }
  .partners       { padding: 3rem 0; }
  .cta-banner     { padding: 3.5rem 0; }
  .footer         { padding-top: 3rem; }
  .footer-grid    { padding-bottom: 2.5rem; }
  .section-header { margin-bottom: 2.5rem; }

  /* Hero */
  .hero-content { padding-top: calc(var(--nav-h) + 3rem); padding-bottom: 4rem; }
  .hero-subtitle { font-size: 1rem; }

  /* Stats section */
  .stat-number  { font-size: 2.8rem; }

  /* Monitor mockup */
  .monitor-stat-row { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .container     { padding: 0 1rem; }
  .nav-container { padding: 0 1rem; }
  .nav-logo-img  { height: 36px; }
  .hero-actions  { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .cta-actions   { flex-direction: column; align-items: center; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .hero-stats    { justify-content: center; }
  .hero-divider  { display: none; }

  /* Reducir más el padding en pantallas muy pequeñas */
  .solutions, .about, .product-feature, .services-detail, .contact { padding: 2.5rem 0; }
  .stats-section  { padding: 2rem 0; }
  .partners       { padding: 2rem 0; }
  .cta-banner     { padding: 2.5rem 0; }
  .section-header { margin-bottom: 2rem; }

  /* Hero */
  .hero-content  { padding-top: calc(var(--nav-h) + 2rem); padding-bottom: 3rem; }
  .hero-title    { letter-spacing: -.2px; }
  .hero-subtitle { font-size: .95rem; }
  .stat-num      { font-size: 1.6rem; }

  /* Stats section */
  .stat-number { font-size: 2.2rem; }
  .stat-plus   { font-size: 1.5rem; }

  /* Monitor mockup: 1 columna */
  .monitor-stat-row { grid-template-columns: 1fr; gap: .5rem; }
  .m-stat-value     { font-size: 1.1rem; }

  /* Tech diagram escala */
  .tech-diagram { transform: scale(0.8); transform-origin: center; }

  /* Tabs más compactos */
  .tab-btn { padding: .6rem .85rem; font-size: .72rem; gap: .35rem; }

  /* Panel image más bajo */
  .panel-image { height: 220px; }

  /* Botón volver arriba */
  .back-to-top { bottom: 1rem; right: 1rem; }

  /* Footer */
  .footer-grid { gap: 2rem; }
}

/* ══════════════════════════════════════════
   LOADER / SPLASH SCREEN
══════════════════════════════════════════ */
#loader {
  position: fixed;
  inset: 0;
  background: rgba(2,29,73,.88);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity .35s ease, visibility .35s ease;
}
#loader.loader-out {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
.loader-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.6rem;
  animation: loaderPop .6s cubic-bezier(.34,1.56,.64,1) both;
}
@keyframes loaderPop {
  from { opacity: 0; transform: scale(.72) translateY(20px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}
.loader-atom {
  width: 200px;
  height: 200px;
  filter: drop-shadow(0 0 18px rgba(58,141,222,.25));
}
.loader-brand { text-align: center; }
.loader-name {
  font-family: var(--display);
  font-size: 2.4rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: 6px;
  margin: 0;
  line-height: 1;
}
.loader-name sup {
  font-size: .65rem;
  font-weight: 400;
  opacity: .5;
  letter-spacing: 1px;
  vertical-align: super;
}
.loader-sub {
  font-family: var(--display);
  font-size: .58rem;
  letter-spacing: 2.5px;
  color: rgba(255,255,255,.4);
  text-transform: uppercase;
  margin: .45rem 0 0;
}
.loader-bar {
  width: 210px;
  height: 2px;
  background: rgba(255,255,255,.08);
  border-radius: 2px;
  overflow: hidden;
}
.loader-progress {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--blue), var(--green));
  animation: loaderFill .9s cubic-bezier(.4,0,.2,1) forwards;
  border-radius: 2px;
}
@keyframes loaderFill { to { width: 100%; } }

@media (max-width: 480px) {
  .loader-atom { width: 150px; height: 150px; }
  .loader-name { font-size: 1.8rem; letter-spacing: 4px; }
  .loader-bar  { width: 160px; }
}