/* ===========================================
   NUSAFLOW TECH — MAIN STYLESHEET
   Modern Startup Style
   Fonts: Poppins (headings) + Inter (body)
=========================================== */

/* --- DESIGN TOKENS --- */
:root {
  --ocean-blue:   #0F62FE;
  --teal-cyan:    #00C2C7;
  --deep-navy:    #0B1F3A;
  --bright-orange:#FF7A00;
  --soft-white:   #F8FAFC;
  --slate-gray:   #64748B;

  --navy-800: #0d2545;
  --navy-700: #112d52;
  --navy-600: #143460;
  --blue-light: #3b82f6;
  --teal-light: #22d3d8;

  --gradient-brand: linear-gradient(135deg, var(--ocean-blue) 0%, var(--teal-cyan) 100%);
  --gradient-hero:  linear-gradient(135deg, #051629 0%, #0B1F3A 50%, #0d2e52 100%);
  --gradient-card:  linear-gradient(135deg, rgba(15,98,254,0.08) 0%, rgba(0,194,199,0.08) 100%);
  --gradient-orange: linear-gradient(135deg, #FF7A00, #FF9A3C);

  --font-heading: 'Poppins', system-ui, sans-serif;
  --font-body:    'Inter', system-ui, sans-serif;

  --radius-sm:  6px;
  --radius-md:  12px;
  --radius-lg:  20px;
  --radius-xl:  32px;

  --shadow-sm:  0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.08);
  --shadow-md:  0 4px 16px rgba(0,0,0,0.16);
  --shadow-lg:  0 8px 32px rgba(0,0,0,0.24);
  --shadow-glow-blue:   0 0 40px rgba(15,98,254,0.25);
  --shadow-glow-teal:   0 0 40px rgba(0,194,199,0.2);
  --shadow-glow-orange: 0 0 40px rgba(255,122,0,0.2);

  --transition-fast:   150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow:   400ms cubic-bezier(0.4, 0, 0.2, 1);

  --container-max: 1200px;
  --container-pad: clamp(1rem, 5vw, 2rem);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background-color: var(--deep-navy);
  color: var(--soft-white);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, select, textarea { font-family: inherit; }

/* --- SCROLLBAR --- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--deep-navy); }
::-webkit-scrollbar-thumb { background: var(--ocean-blue); border-radius: 3px; }

/* --- SELECTION --- */
::selection { background: var(--ocean-blue); color: #fff; }

/* --- CONTAINER --- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

/* --- SECTION BASE --- */
.section {
  padding: clamp(4rem, 8vw, 8rem) 0;
}

/* ===========================================
   TYPOGRAPHY
=========================================== */
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal-cyan);
  margin-bottom: 1rem;
}

.section-tag::before {
  content: '';
  display: inline-block;
  width: 24px;
  height: 2px;
  background: var(--gradient-brand);
  border-radius: 2px;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--soft-white);
  margin-bottom: 1rem;
}

.section-subtitle {
  font-family: var(--font-body);
  font-size: 1.05rem;
  color: rgba(248,250,252,0.65);
  max-width: 560px;
  line-height: 1.8;
}

.section-body {
  font-size: 1.05rem;
  color: rgba(248,250,252,0.7);
  line-height: 1.8;
  margin-bottom: 2rem;
  max-width: 480px;
}

.section-header {
  text-align: center;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.section-header .section-subtitle { margin: 0 auto; }

.gradient-text {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===========================================
   BUTTONS
=========================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0.85rem 1.75rem;
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  transition: var(--transition-slow);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.1);
  transform: translateX(-100%);
  transition: transform 0.3s ease;
}

.btn:hover::before { transform: translateX(0); }

.btn-primary {
  background: var(--gradient-brand);
  color: #fff;
  box-shadow: 0 4px 24px rgba(15,98,254,0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(15,98,254,0.5);
}

.btn-outline {
  background: transparent;
  color: var(--soft-white);
  border: 1.5px solid rgba(248,250,252,0.25);
  backdrop-filter: blur(8px);
}

.btn-outline:hover {
  border-color: var(--teal-cyan);
  color: var(--teal-cyan);
  transform: translateY(-2px);
}

.btn-full { width: 100%; justify-content: center; }

/* ===========================================
   NAVBAR
=========================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1.2rem 0;
  transition: all 0.4s ease;
}

.navbar.scrolled {
  background: rgba(11, 31, 58, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 0.75rem 0;
  border-bottom: 1px solid rgba(15,98,254,0.15);
  box-shadow: 0 4px 30px rgba(0,0,0,0.3);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.logo-text {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--soft-white);
}

.logo-accent { color: var(--teal-cyan); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-link {
  padding: 0.5rem 0.9rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(248,250,252,0.75);
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
}

.nav-link:hover {
  color: var(--soft-white);
  background: rgba(255,255,255,0.06);
}

.btn-nav {
  padding: 0.55rem 1.2rem;
  background: var(--gradient-brand);
  color: #fff;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  transition: var(--transition-normal);
  box-shadow: 0 2px 12px rgba(15,98,254,0.3);
  margin-left: 0.5rem;
}

.btn-nav:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(15,98,254,0.5);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  z-index: 1001;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--soft-white);
  border-radius: 2px;
  transition: var(--transition-normal);
  transform-origin: center;
}

.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ===========================================
   HERO
=========================================== */
.hero {
  min-height: 100svh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: var(--gradient-hero);
  padding: 6rem 0 4rem;
}

#particleCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.hero-grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(15,98,254,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15,98,254,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  padding-top: 2rem;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 0.5rem 1rem;
  background: rgba(15,98,254,0.15);
  border: 1px solid rgba(15,98,254,0.3);
  border-radius: 100px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--teal-cyan);
  margin-bottom: 1.5rem;
  backdrop-filter: blur(8px);
}

.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--teal-cyan);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(0.8); }
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
  color: var(--soft-white);
}

.hero-subtitle {
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  color: rgba(248,250,252,0.7);
  max-width: 560px;
  line-height: 1.8;
  margin-bottom: 2.5rem;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 4rem;
}

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0;
  padding: 1.5rem 2rem;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(16px);
  width: fit-content;
}

.stat-card {
  padding: 0 1.75rem;
  text-align: center;
}

.stat-card:first-child { padding-left: 0; }
.stat-card:last-child  { padding-right: 0; }

.stat-number {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  color: var(--soft-white);
  line-height: 1;
  display: flex;
  align-items: flex-start;
  justify-content: center;
}

.stat-plus {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--teal-cyan);
  margin-top: 2px;
}

.stat-card p {
  font-size: 0.78rem;
  color: rgba(248,250,252,0.5);
  margin-top: 4px;
  white-space: nowrap;
}

.stat-divider {
  width: 1px;
  height: 48px;
  background: rgba(255,255,255,0.1);
  flex-shrink: 0;
}

.hero-scroll-indicator {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(248,250,252,0.4);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  z-index: 2;
}

.scroll-mouse {
  width: 22px;
  height: 36px;
  border: 2px solid rgba(248,250,252,0.25);
  border-radius: 12px;
  display: flex;
  justify-content: center;
  padding-top: 6px;
}

.scroll-wheel {
  width: 3px;
  height: 8px;
  background: var(--teal-cyan);
  border-radius: 2px;
  animation: scroll-wheel 2s infinite;
}

@keyframes scroll-wheel {
  0%   { transform: translateY(0); opacity: 1; }
  80%  { transform: translateY(10px); opacity: 0; }
  100% { transform: translateY(0); opacity: 0; }
}

.hero-shapes { position: absolute; inset: 0; pointer-events: none; overflow: hidden; z-index: 1; }

.shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.2;
}

.shape-1 {
  width: 500px; height: 500px;
  background: var(--ocean-blue);
  top: -150px; right: -100px;
  animation: float-shape 12s ease-in-out infinite;
}

.shape-2 {
  width: 350px; height: 350px;
  background: var(--teal-cyan);
  bottom: 0; right: 30%;
  animation: float-shape 16s ease-in-out infinite reverse;
}

.shape-3 {
  width: 250px; height: 250px;
  background: var(--bright-orange);
  bottom: 100px; right: 80px;
  opacity: 0.12;
  animation: float-shape 10s ease-in-out infinite 3s;
}

@keyframes float-shape {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%       { transform: translate(-30px, 20px) scale(1.05); }
  66%       { transform: translate(20px, -15px) scale(0.95); }
}

/* ===========================================
   SERVICES
=========================================== */
.services {
  background: linear-gradient(180deg, var(--deep-navy) 0%, #081628 100%);
  position: relative;
}

.services::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(15,98,254,0.4), transparent);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.service-card {
  position: relative;
  padding: 2.5rem;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--radius-lg);
  transition: var(--transition-slow);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  transform: translateY(-6px);
  border-color: rgba(15,98,254,0.3);
  background: rgba(255,255,255,0.05);
}

.service-card--featured {
  background: rgba(15,98,254,0.06);
  border-color: rgba(15,98,254,0.2);
}

.service-card--featured:hover {
  border-color: var(--teal-cyan);
}

.service-popular-badge {
  position: absolute;
  top: 1.5rem; right: 1.5rem;
  padding: 0.3rem 0.75rem;
  background: var(--gradient-brand);
  border-radius: 100px;
  font-size: 0.72rem;
  font-weight: 600;
  color: #fff;
}

.service-icon-wrap {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  background: var(--icon-bg);
  border: 1px solid rgba(255,255,255,0.06);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--icon-color);
  margin-bottom: 1.5rem;
  transition: var(--transition-normal);
}

.service-card:hover .service-icon-wrap {
  transform: scale(1.08);
  box-shadow: 0 0 24px var(--icon-bg);
}

.service-tag-label {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: rgba(248,250,252,0.25);
  margin-bottom: 0.5rem;
}

.service-name {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--soft-white);
  margin-bottom: 0.75rem;
}

.service-desc {
  font-size: 0.92rem;
  color: rgba(248,250,252,0.6);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.service-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 2rem;
  flex: 1;
}

.service-features li {
  font-size: 0.88rem;
  color: rgba(248,250,252,0.7);
  padding-left: 1.25rem;
  position: relative;
}

.service-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--teal-cyan);
}

.service-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ocean-blue);
  transition: var(--transition-fast);
  margin-top: auto;
}

.service-cta:hover {
  color: var(--teal-cyan);
  gap: 10px;
}

.service-card--featured .service-cta { color: var(--teal-cyan); }

.service-card-glow {
  position: absolute;
  bottom: -60px; right: -60px;
  width: 180px; height: 180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(15,98,254,0.12), transparent 70%);
  pointer-events: none;
  transition: var(--transition-slow);
}

.service-card:hover .service-card-glow {
  transform: scale(1.5);
  opacity: 0.6;
}

.services-addon {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 2rem;
  background: rgba(255,122,0,0.06);
  border: 1px solid rgba(255,122,0,0.15);
  border-radius: var(--radius-md);
  color: rgba(248,250,252,0.7);
  font-size: 0.9rem;
}

.addon-icon {
  color: var(--bright-orange);
  flex-shrink: 0;
}

.addon-text strong { color: var(--soft-white); }

.addon-badge {
  margin-left: auto;
  padding: 0.25rem 0.75rem;
  background: rgba(255,122,0,0.2);
  border: 1px solid rgba(255,122,0,0.3);
  border-radius: 100px;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--bright-orange);
  letter-spacing: 0.1em;
  white-space: nowrap;
}

/* ===========================================
   WHY US
=========================================== */
.why-us {
  background: var(--deep-navy);
  position: relative;
  overflow: hidden;
}

.why-us::after {
  content: '';
  position: absolute;
  top: 50%; left: -200px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(15,98,254,0.08), transparent 70%);
  transform: translateY(-50%);
  pointer-events: none;
}

.why-us-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.why-us-left .section-title { margin-bottom: 1rem; }

.values-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-top: 2rem;
}

.value-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.value-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  background: rgba(15,98,254,0.12);
  border: 1px solid rgba(15,98,254,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--teal-cyan);
  flex-shrink: 0;
}

.value-item strong {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--soft-white);
  margin-bottom: 2px;
}

.value-item p {
  font-size: 0.85rem;
  color: rgba(248,250,252,0.55);
}

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

.feature-card {
  padding: 1.5rem;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-md);
  transition: var(--transition-normal);
}

.feature-card:hover {
  background: rgba(15,98,254,0.06);
  border-color: rgba(15,98,254,0.2);
  transform: translateY(-3px);
}

.feature-card--highlight {
  background: rgba(15,98,254,0.06);
  border-color: rgba(15,98,254,0.15);
}

.feature-num {
  font-family: var(--font-heading);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--ocean-blue);
  margin-bottom: 0.75rem;
}

.feature-card h4 {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--soft-white);
  margin-bottom: 0.4rem;
}

.feature-card p {
  font-size: 0.82rem;
  color: rgba(248,250,252,0.55);
  line-height: 1.6;
}

/* ===========================================
   PROCESS
=========================================== */
.process {
  background: linear-gradient(180deg, #081628 0%, var(--deep-navy) 100%);
  position: relative;
}

.process::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0,194,199,0.3), transparent);
}

.process-track {
  display: flex;
  justify-content: space-between;
  position: relative;
  gap: 1rem;
}

.process-line {
  position: absolute;
  top: 68px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: linear-gradient(90deg, var(--ocean-blue), var(--teal-cyan));
  opacity: 0.2;
}

.process-step {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 0.5rem;
  position: relative;
}

.step-num {
  font-family: var(--font-heading);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: rgba(248,250,252,0.2);
  margin-bottom: 0.5rem;
}

.step-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: rgba(255,255,255,0.04);
  border: 1.5px solid rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--teal-cyan);
  margin-bottom: 1.25rem;
  position: relative;
  z-index: 1;
  transition: var(--transition-normal);
}

.process-step:hover .step-icon {
  background: rgba(15,98,254,0.12);
  border-color: var(--teal-cyan);
  box-shadow: 0 0 24px rgba(0,194,199,0.2);
  transform: scale(1.08);
}

.process-step h3 {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--soft-white);
  margin-bottom: 0.5rem;
}

.process-step p {
  font-size: 0.82rem;
  color: rgba(248,250,252,0.55);
  line-height: 1.65;
}

/* ===========================================
   PORTFOLIO
=========================================== */
.portfolio {
  background: var(--deep-navy);
}

.portfolio-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin-bottom: 2.5rem;
}

.filter-btn {
  padding: 0.5rem 1.25rem;
  border: 1.5px solid rgba(255,255,255,0.1);
  border-radius: 100px;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  color: rgba(248,250,252,0.6);
  background: transparent;
  transition: var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--gradient-brand);
  border-color: transparent;
  color: #fff;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.portfolio-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition-slow);
}

.portfolio-card:hover {
  transform: translateY(-6px);
  border-color: rgba(15,98,254,0.25);
  box-shadow: var(--shadow-md);
}

.portfolio-img {
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.portfolio-img--blue   { background: linear-gradient(135deg, #0F62FE, #1e40af); }
.portfolio-img--teal   { background: linear-gradient(135deg, #00C2C7, #0891b2); }
.portfolio-img--orange { background: linear-gradient(135deg, #FF7A00, #ea580c); }
.portfolio-img--purple { background: linear-gradient(135deg, #7c3aed, #4f46e5); }
.portfolio-img--navy   { background: linear-gradient(135deg, #1e3a5f, #0B1F3A); }
.portfolio-img--green  { background: linear-gradient(135deg, #059669, #047857); }

.portfolio-mockup {
  opacity: 0.8;
  transition: var(--transition-normal);
}

.portfolio-card:hover .portfolio-mockup {
  transform: scale(1.1) translateY(-4px);
  opacity: 1;
}

.portfolio-category-badge {
  position: absolute;
  top: 1rem; left: 1rem;
  padding: 0.3rem 0.75rem;
  background: rgba(0,0,0,0.4);
  backdrop-filter: blur(8px);
  border-radius: 100px;
  font-size: 0.72rem;
  font-weight: 600;
  color: rgba(255,255,255,0.9);
}

.portfolio-info {
  padding: 1.5rem;
}

.portfolio-info h3 {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--soft-white);
  margin-bottom: 0.5rem;
}

.portfolio-info p {
  font-size: 0.83rem;
  color: rgba(248,250,252,0.55);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.portfolio-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.portfolio-tags span {
  padding: 0.2rem 0.6rem;
  background: rgba(15,98,254,0.12);
  border: 1px solid rgba(15,98,254,0.2);
  border-radius: 100px;
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--teal-cyan);
}

.portfolio-card[data-category].hidden {
  display: none;
}

/* ===========================================
   TESTIMONIALS
=========================================== */
.testimonials {
  background: linear-gradient(180deg, var(--deep-navy) 0%, #081628 100%);
  position: relative;
}

.testimonials::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,122,0,0.3), transparent);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.testimonial-card {
  padding: 2rem;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--radius-lg);
  transition: var(--transition-slow);
  display: flex;
  flex-direction: column;
}

.testimonial-card:hover {
  transform: translateY(-4px);
  border-color: rgba(15,98,254,0.2);
}

.testimonial-card--featured {
  background: rgba(15,98,254,0.06);
  border-color: rgba(15,98,254,0.2);
}

.testimonial-quote {
  color: rgba(15,98,254,0.4);
  margin-bottom: 1rem;
}

.testimonial-card--featured .testimonial-quote { color: rgba(0,194,199,0.5); }

.testimonial-text {
  font-size: 0.95rem;
  color: rgba(248,250,252,0.75);
  line-height: 1.8;
  font-style: italic;
  flex: 1;
  margin-bottom: 1.5rem;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.author-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 0.82rem;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}

.author-avatar--blue   { background: linear-gradient(135deg, #0F62FE, #3b82f6); }
.author-avatar--teal   { background: linear-gradient(135deg, #00C2C7, #22d3d8); }
.author-avatar--orange { background: linear-gradient(135deg, #FF7A00, #FB923C); }

.testimonial-author strong {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--soft-white);
}

.testimonial-author span {
  font-size: 0.78rem;
  color: rgba(248,250,252,0.45);
}

.testimonial-stars {
  margin-left: auto;
  color: #FBBF24;
  font-size: 0.85rem;
  letter-spacing: 1px;
  flex-shrink: 0;
}

.trust-bar {
  padding: 2.5rem;
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-lg);
  text-align: center;
}

.trust-bar-label {
  font-size: 0.85rem;
  color: rgba(248,250,252,0.4);
  margin-bottom: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.trust-logos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
}

.trust-logo {
  padding: 0.5rem 1.25rem;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 100px;
  font-size: 0.82rem;
  font-weight: 500;
  color: rgba(248,250,252,0.5);
  transition: var(--transition-fast);
}

.trust-logo:hover {
  background: rgba(15,98,254,0.1);
  border-color: rgba(15,98,254,0.25);
  color: var(--teal-cyan);
}

/* ===========================================
   CONTACT
=========================================== */
.contact {
  background: var(--deep-navy);
  position: relative;
  overflow: hidden;
}

.contact::before {
  content: '';
  position: absolute;
  bottom: -200px; right: -200px;
  width: 600px; height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(15,98,254,0.08), transparent 70%);
  pointer-events: none;
}

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}

.contact-left .section-title { margin-bottom: 1rem; }

.contact-left p {
  font-size: 1rem;
  color: rgba(248,250,252,0.65);
  line-height: 1.8;
  margin-bottom: 2rem;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2rem;
}

.contact-info-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.92rem;
}

.contact-info-icon {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: rgba(15,98,254,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--teal-cyan);
  flex-shrink: 0;
}

.contact-info-item a,
.contact-info-item span {
  color: rgba(248,250,252,0.75);
  transition: var(--transition-fast);
}

.contact-info-item a:hover { color: var(--teal-cyan); }

.social-links {
  display: flex;
  gap: 0.75rem;
}

.social-link {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(248,250,252,0.6);
  transition: var(--transition-fast);
}

.social-link:hover {
  background: rgba(15,98,254,0.15);
  border-color: rgba(15,98,254,0.3);
  color: var(--teal-cyan);
  transform: translateY(-2px);
}

/* FORM */
.contact-form {
  padding: 2.5rem;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(8px);
}

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

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 500;
  color: rgba(248,250,252,0.7);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 0.75rem 1rem;
  background: rgba(255,255,255,0.04);
  border: 1.5px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-md);
  color: var(--soft-white);
  font-size: 0.92rem;
  transition: var(--transition-fast);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}

.form-group select {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%2364748B' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 1.25rem;
  padding-right: 2.5rem;
  cursor: pointer;
}

.form-group select option {
  background: var(--navy-800);
  color: var(--soft-white);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(248,250,252,0.3);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--ocean-blue);
  background: rgba(15,98,254,0.06);
  box-shadow: 0 0 0 3px rgba(15,98,254,0.12);
}

.form-group textarea { resize: vertical; min-height: 100px; }

.form-note {
  text-align: center;
  font-size: 0.78rem;
  color: rgba(248,250,252,0.35);
  margin-top: 1rem;
}

/* ===========================================
   FOOTER
=========================================== */
.footer {
  background: #060f1e;
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: 4rem;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 2fr;
  gap: 4rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.footer-brand p {
  font-size: 0.88rem;
  color: rgba(248,250,252,0.5);
  line-height: 1.8;
  margin: 1rem 0 1.5rem;
  max-width: 320px;
}

.footer-logo { margin-bottom: 0.5rem; }

.footer-nav {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.footer-nav-col h4 {
  font-family: var(--font-heading);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--soft-white);
  margin-bottom: 1rem;
}

.footer-nav-col ul {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-nav-col a,
.footer-nav-col span {
  font-size: 0.85rem;
  color: rgba(248,250,252,0.45);
  transition: var(--transition-fast);
}

.footer-nav-col a:hover { color: var(--teal-cyan); }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 0;
  font-size: 0.82rem;
  color: rgba(248,250,252,0.3);
}

.footer-tagline {
  font-family: var(--font-heading);
  font-weight: 600;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===========================================
   BACK TO TOP
=========================================== */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--gradient-brand);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(15,98,254,0.4);
  transition: var(--transition-slow);
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
  z-index: 900;
}

.back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
}

.back-to-top:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(15,98,254,0.5);
}

/* ===========================================
   SCROLL REVEAL ANIMATIONS
=========================================== */
.reveal-up,
.reveal-left,
.reveal-right {
  opacity: 0;
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-up    { transform: translateY(40px); }
.reveal-left  { transform: translateX(-40px); }
.reveal-right { transform: translateX(40px); }

.reveal-up.visible,
.reveal-left.visible,
.reveal-right.visible {
  opacity: 1;
  transform: translate(0);
}

/* Stagger delays for grid items */
.services-grid .service-card:nth-child(1) { transition-delay: 0ms; }
.services-grid .service-card:nth-child(2) { transition-delay: 100ms; }
.services-grid .service-card:nth-child(3) { transition-delay: 200ms; }

.features-grid .feature-card:nth-child(1) { transition-delay: 0ms; }
.features-grid .feature-card:nth-child(2) { transition-delay: 75ms; }
.features-grid .feature-card:nth-child(3) { transition-delay: 150ms; }
.features-grid .feature-card:nth-child(4) { transition-delay: 225ms; }
.features-grid .feature-card:nth-child(5) { transition-delay: 300ms; }
.features-grid .feature-card:nth-child(6) { transition-delay: 375ms; }

.process-step:nth-child(2) { transition-delay: 0ms; }
.process-step:nth-child(3) { transition-delay: 100ms; }
.process-step:nth-child(4) { transition-delay: 200ms; }
.process-step:nth-child(5) { transition-delay: 300ms; }
.process-step:nth-child(6) { transition-delay: 400ms; }

.portfolio-grid .portfolio-card:nth-child(1) { transition-delay: 0ms; }
.portfolio-grid .portfolio-card:nth-child(2) { transition-delay: 80ms; }
.portfolio-grid .portfolio-card:nth-child(3) { transition-delay: 160ms; }
.portfolio-grid .portfolio-card:nth-child(4) { transition-delay: 240ms; }
.portfolio-grid .portfolio-card:nth-child(5) { transition-delay: 320ms; }
.portfolio-grid .portfolio-card:nth-child(6) { transition-delay: 400ms; }

.testimonials-grid .testimonial-card:nth-child(1) { transition-delay: 0ms; }
.testimonials-grid .testimonial-card:nth-child(2) { transition-delay: 100ms; }
.testimonials-grid .testimonial-card:nth-child(3) { transition-delay: 200ms; }

/* ===========================================
   RESPONSIVE — TABLET (≤ 1024px)
=========================================== */
@media (max-width: 1024px) {
  .services-grid        { grid-template-columns: 1fr 1fr; }
  .portfolio-grid       { grid-template-columns: 1fr 1fr; }
  .testimonials-grid    { grid-template-columns: 1fr 1fr; }
  .why-us-inner         { grid-template-columns: 1fr; gap: 3rem; }
  .contact-inner        { grid-template-columns: 1fr; gap: 3rem; }
  .footer-top           { grid-template-columns: 1fr; gap: 2.5rem; }
  .footer-nav           { grid-template-columns: repeat(2, 1fr); }
}

/* ===========================================
   RESPONSIVE — MOBILE (≤ 768px)
=========================================== */
@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 0; right: -100%;
    width: min(320px, 85vw);
    height: 100svh;
    flex-direction: column;
    align-items: flex-start;
    padding: 5rem 2rem 2rem;
    gap: 0.25rem;
    background: rgba(6,15,30,0.98);
    backdrop-filter: blur(20px);
    border-left: 1px solid rgba(255,255,255,0.06);
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 999;
  }

  .nav-links.open { right: 0; }

  .nav-links li { width: 100%; }

  .nav-link {
    display: block;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    width: 100%;
  }

  .btn-nav {
    display: block;
    text-align: center;
    margin-left: 0;
    margin-top: 0.5rem;
    padding: 0.75rem 1rem;
  }

  .nav-toggle { display: flex; }

  .hero-stats {
    flex-wrap: wrap;
    width: 100%;
  }

  .stat-divider { display: none; }
  .stat-card { padding: 0.75rem 1rem; }

  .services-grid        { grid-template-columns: 1fr; }
  .portfolio-grid       { grid-template-columns: 1fr; }
  .testimonials-grid    { grid-template-columns: 1fr; }
  .features-grid        { grid-template-columns: 1fr; }
  .process-track        { flex-direction: column; align-items: center; gap: 2rem; }
  .process-line         { display: none; }
  .process-step         { width: 100%; max-width: 400px; }
  .form-row             { grid-template-columns: 1fr; }
  .footer-nav           { grid-template-columns: repeat(2, 1fr); }
  .footer-bottom        { flex-direction: column; gap: 0.5rem; text-align: center; }
  .hero-cta             { flex-direction: column; align-items: flex-start; }
  .contact-form         { padding: 1.5rem; }
  .testimonials-grid .testimonial-card:nth-child(3) { display: none; }
}

/* ===========================================
   RESPONSIVE — SMALL MOBILE (≤ 480px)
=========================================== */
@media (max-width: 480px) {
  .hero-title { font-size: clamp(2.5rem, 12vw, 3.5rem); }
  .section-title { font-size: 1.6rem; }
  .footer-nav { grid-template-columns: 1fr 1fr; }
  .hero-stats { justify-content: flex-start; }
  .stat-card { text-align: left; }
}

/* ===========================================
   ACCESSIBILITY
=========================================== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal-up, .reveal-left, .reveal-right {
    opacity: 1;
    transform: none;
  }
}

:focus-visible {
  outline: 2px solid var(--ocean-blue);
  outline-offset: 3px;
  border-radius: 4px;
}

/* Skip to main content */
.skip-link {
  position: absolute;
  top: -40px;
  left: 1rem;
  padding: 0.5rem 1rem;
  background: var(--ocean-blue);
  color: #fff;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
  z-index: 9999;
  transition: top 0.2s;
}

.skip-link:focus { top: 0; }