/* ============================================================
   ECHODIGITAL — Professional Design System
   ============================================================ */

/* === Variables === */
:root {
    --blue:        #2563eb;
    --blue-hover:  #1d4ed8;
    --blue-light:  #3b82f6;
    --blue-50:     #eff6ff;
    --blue-100:    #dbeafe;

    --dark:        #06090f;
    --dark-2:      #0d1525;
    --dark-3:      #162038;
    --dark-border: rgba(255,255,255,0.07);

    --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-900:    #0f172a;

    --text:   #0f172a;
    --muted:  #64748b;
    --border: #e2e8f0;

    --shadow-xs:   0 1px 2px rgba(0,0,0,0.05);
    --shadow-sm:   0 2px 8px rgba(0,0,0,0.06), 0 1px 3px rgba(0,0,0,0.04);
    --shadow-md:   0 8px 24px rgba(0,0,0,0.08);
    --shadow-lg:   0 24px 64px rgba(0,0,0,0.1);
    --shadow-blue: 0 8px 32px rgba(37,99,235,0.3);
    --shadow-blue-sm: 0 4px 16px rgba(37,99,235,0.2);

    --r-sm:   8px;
    --r-md:   12px;
    --r-lg:   20px;
    --r-xl:   28px;
    --r-full: 9999px;

    --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --t:      all 0.25s var(--ease);
    --t-slow: all 0.4s var(--ease);
}

/* === Reset === */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: 'Outfit', system-ui, sans-serif;
    color: var(--text);
    background: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; transition: var(--t); }
ul { list-style: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

/* === Layout === */
.container {
    max-width: 1160px;
    margin: 0 auto;
    padding: 0 2rem;
}
section { padding: 100px 0; }

/* === Typography utils === */
.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 5px 14px;
    background: var(--blue-50);
    color: var(--blue);
    border-radius: var(--r-full);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    border: 1px solid var(--blue-100);
    margin-bottom: 1.25rem;
}
.section-tag::before {
    content: '';
    width: 6px; height: 6px;
    background: var(--blue);
    border-radius: 50%;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    letter-spacing: -1.5px;
    line-height: 1.1;
    color: var(--text);
    margin-bottom: 1rem;
    text-align: center;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--muted);
    max-width: 580px;
    margin: 0 auto 4rem;
    line-height: 1.75;
    text-align: center;
    font-weight: 400;
}

/* === Navbar === */
.navbar {
    position: fixed;
    top: 0; left: 0;
    width: 100%;
    z-index: 1000;
    transition: background 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
    border-bottom: 1px solid transparent;
}
.navbar.scrolled {
    background: rgba(255,255,255,0.97);
    backdrop-filter: blur(20px);
    border-bottom-color: var(--border);
    box-shadow: 0 1px 24px rgba(0,0,0,0.06);
}
.navbar-content {
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: white;
    transition: var(--t);
}
.navbar.scrolled .logo { color: var(--gray-900); }
.logo span { color: #60a5fa; }

.nav-links { display: flex; gap: 2.5rem; }
.nav-links a {
    font-size: 0.92rem;
    font-weight: 600;
    color: rgba(255,255,255,0.7);
    position: relative;
    transition: var(--t);
}
.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px; left: 0;
    width: 0; height: 2px;
    background: var(--blue);
    border-radius: var(--r-full);
    transition: width 0.3s var(--ease);
}
.nav-links a:hover { color: white; }
.nav-links a:hover::after { width: 100%; }
.navbar.scrolled .nav-links a { color: var(--gray-600); }
.navbar.scrolled .nav-links a:hover { color: var(--blue); }

.nav-auth { display: flex; align-items: center; gap: 1rem; }
/* === Hamburger === */
.nav-burger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 36px; height: 36px;
    cursor: pointer;
    padding: 4px;
    background: none;
    border: none;
    z-index: 1100;
}
.nav-burger span {
    display: block;
    width: 100%; height: 2px;
    border-radius: 2px;
    background: white;
    transition: transform 0.3s var(--ease), opacity 0.3s, width 0.3s;
    transform-origin: center;
}
.navbar.scrolled .nav-burger span { background: var(--gray-900); }
.nav-burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-burger.open span:nth-child(2) { opacity: 0; width: 0; }
.nav-burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* === Mobile menu === */
.nav-mobile {
    display: none;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: white;
    border-top: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
    padding: 1.5rem 2rem 2rem;
    z-index: 1050;
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s var(--ease), transform 0.25s var(--ease);
}
.nav-mobile.open {
    display: block;
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}
.nav-mobile-links { display: flex; flex-direction: column; gap: 0.25rem; }
.nav-mobile-link {
    display: block;
    padding: 0.875rem 1rem;
    border-radius: var(--r-md);
    font-weight: 600;
    font-size: 1rem;
    color: var(--text);
    transition: background 0.15s;
}
.nav-mobile-link:hover { background: var(--gray-50); color: var(--blue); }
.nav-mobile-section {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--muted);
    padding: 0.75rem 1rem 0.25rem;
}
.nav-mobile-link--sub {
    padding-left: 1.5rem;
    font-size: 0.95rem;
    color: var(--gray-600);
}

@media (max-width: 768px) {
    .nav-burger { display: flex; }
    .nav-links, .nav-auth { display: none; }
    .navbar { position: fixed; }
}

/* === Nav Dropdown === */
.nav-dropdown { position: relative; }

.nav-dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    cursor: pointer;
}
.nav-arrow {
    font-size: 0.7rem;
    transition: transform 0.25s var(--ease);
    display: inline-block;
}
.nav-dropdown:hover .nav-arrow { transform: rotate(180deg); }

.nav-dropdown-menu {
    position: absolute;
    top: calc(100% + 16px);
    left: 50%;
    transform: translateX(-50%) translateY(-6px);
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    padding: 0.5rem;
    min-width: 260px;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s var(--ease), transform 0.2s var(--ease), visibility 0.2s;
    z-index: 100;
}
/* Arrow pointer */
.nav-dropdown-menu::before {
    content: '';
    position: absolute;
    top: -6px;
    left: 50%;
    transform: translateX(-50%);
    width: 12px; height: 12px;
    background: white;
    border-left: 1px solid var(--border);
    border-top: 1px solid var(--border);
    rotate: 45deg;
}
.nav-dropdown:hover .nav-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.nav-dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    padding: 0.875rem 1rem;
    border-radius: var(--r-md);
    color: var(--text) !important;
    transition: background 0.15s;
}
.nav-dropdown-item:hover { background: var(--gray-50); }
.nav-dropdown-item::after { display: none; }

.nav-dropdown-icon {
    width: 38px; height: 38px;
    background: var(--blue-50);
    border: 1px solid var(--blue-100);
    border-radius: var(--r-sm);
    display: flex; align-items: center; justify-content: center;
    font-size: 1rem;
    flex-shrink: 0;
}
.nav-dropdown-item strong {
    display: block;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text);
    line-height: 1.3;
}
.nav-dropdown-item small {
    display: block;
    font-size: 0.75rem;
    color: var(--muted);
    font-weight: 400;
}
.nav-dropdown-item--muted .nav-dropdown-icon {
    background: var(--gray-100);
    border-color: var(--border);
}
.nav-dropdown-divider {
    height: 1px;
    background: var(--border);
    margin: 0.25rem 0.5rem;
}

.nav-cta-btn {
    padding: 8px 22px;
    border-radius: var(--r-full);
    font-size: 0.88rem;
    font-weight: 700;
    background: var(--blue);
    color: white;
    border: 2px solid var(--blue);
    transition: var(--t);
}
.nav-cta-btn:hover {
    background: var(--blue-hover);
    border-color: var(--blue-hover);
    box-shadow: var(--shadow-blue-sm);
    transform: translateY(-1px);
}

/* === Buttons === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.85rem 2rem;
    border-radius: var(--r-full);
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--t);
    white-space: nowrap;
    line-height: 1;
}
.btn-primary {
    background: var(--blue);
    color: white;
    border-color: var(--blue);
}
.btn-primary:hover {
    background: var(--blue-hover);
    border-color: var(--blue-hover);
    box-shadow: var(--shadow-blue);
    transform: translateY(-2px);
}
.btn-outline {
    background: transparent;
    border-color: rgba(255,255,255,0.25);
    color: white;
}
.btn-outline:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.5);
}
.btn-outline-dark {
    background: transparent;
    border-color: var(--border);
    color: var(--text);
}
.btn-outline-dark:hover {
    border-color: var(--blue);
    color: var(--blue);
    transform: translateY(-2px);
}
/* Legacy compat */
.btn-outline-pro {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.85rem 2rem;
    border-radius: var(--r-full);
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 700;
    background: transparent;
    border: 2px solid var(--border);
    color: var(--text);
    transition: var(--t);
}
.btn-outline-pro:hover {
    border-color: var(--blue);
    color: var(--blue);
    transform: translateY(-2px);
}
.btn-ghost { background: transparent; color: var(--muted); }
.btn-ghost:hover { color: var(--text); }
.btn-lg { padding: 1rem 2.5rem; font-size: 1rem; }

/* === Hero === */
.hero {
    min-height: 100vh;
    background: var(--dark);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    text-align: center;
}
.hero-orb-1 {
    position: absolute;
    width: 700px; height: 700px;
    border-radius: 50%;
    background: radial-gradient(ellipse, rgba(37,99,235,0.14) 0%, transparent 70%);
    top: -200px; right: -100px;
    pointer-events: none;
}
.hero-orb-2 {
    position: absolute;
    width: 500px; height: 500px;
    border-radius: 50%;
    background: radial-gradient(ellipse, rgba(99,102,241,0.1) 0%, transparent 70%);
    bottom: -100px; left: -50px;
    pointer-events: none;
}
.hero-dots {
    position: absolute; inset: 0;
    background-image: radial-gradient(rgba(255,255,255,0.035) 1.5px, transparent 1.5px);
    background-size: 36px 36px;
    pointer-events: none;
}
.hero-content {
    position: relative; z-index: 2;
    padding: 0 2rem;
    max-width: 960px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    background: rgba(37,99,235,0.12);
    border: 1px solid rgba(37,99,235,0.28);
    border-radius: var(--r-full);
    padding: 7px 20px;
    color: #93c5fd;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    margin-bottom: 2rem;
}
.hero-badge-dot {
    width: 7px; height: 7px;
    background: #60a5fa;
    border-radius: 50%;
    animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%        { opacity: 0.4; transform: scale(0.75); }
}

.hero h1 {
    font-size: clamp(3rem, 6.5vw, 5.5rem);
    font-weight: 800;
    line-height: 1.03;
    letter-spacing: -2.5px;
    color: white;
    margin-bottom: 1.5rem;
}
.hero h1 .gradient-text {
    background: linear-gradient(135deg, #60a5fa, #818cf8, #a78bfa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero p {
    font-size: 1.2rem;
    color: rgba(255,255,255,0.52);
    max-width: 600px;
    margin: 0 auto 2.5rem;
    line-height: 1.8;
    font-weight: 400;
}
.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-scroll {
    position: absolute;
    bottom: 2.5rem; left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: rgba(255,255,255,0.25);
    font-size: 0.7rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
}
.scroll-line {
    width: 1px; height: 36px;
    background: linear-gradient(to bottom, rgba(255,255,255,0.25), transparent);
    animation: scroll-anim 2s ease infinite;
}
@keyframes scroll-anim {
    0%   { transform: scaleY(0); transform-origin: top; opacity: 0; }
    40%  { transform: scaleY(1); transform-origin: top; opacity: 1; }
    40.01% { transform-origin: bottom; }
    100% { transform: scaleY(0); transform-origin: bottom; opacity: 0; }
}

/* === Stats Strip === */
.stats-strip {
    background: white;
    border-bottom: 1px solid var(--border);
    padding: 3rem 0;
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}
.stat-item {
    text-align: center;
    padding: 1rem;
    position: relative;
}
.stat-item:not(:last-child)::after {
    content: '';
    position: absolute;
    right: 0; top: 50%;
    transform: translateY(-50%);
    height: 36px; width: 1px;
    background: var(--border);
}
.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--blue);
    letter-spacing: -1px;
    line-height: 1;
    margin-bottom: 0.4rem;
}
.stat-label {
    font-size: 0.85rem;
    color: var(--muted);
    font-weight: 500;
}

/* === Services Grid === */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 3rem;
}
.service-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--r-xl);
    padding: 2.5rem;
    transition: var(--t-slow);
    position: relative;
    overflow: hidden;
}
.service-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--blue), #818cf8);
    opacity: 0;
    transition: opacity 0.3s;
}
.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--blue-100);
}
.service-card:hover::before { opacity: 1; }
.service-icon {
    width: 54px; height: 54px;
    background: var(--blue-50);
    border-radius: var(--r-md);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.4rem;
    margin-bottom: 1.5rem;
    border: 1px solid var(--blue-100);
}
.service-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 0.75rem;
    letter-spacing: -0.3px;
}
.service-card p {
    color: var(--muted);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* === Feature Rows (alternating) === */
.feature-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
    margin-bottom: 7rem;
}
.feature-row:last-child { margin-bottom: 0; }
.feature-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--blue);
    margin-bottom: 0.75rem;
}
.feature-row h3 {
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    font-weight: 800;
    letter-spacing: -1px;
    color: var(--text);
    margin-bottom: 1.25rem;
    line-height: 1.15;
}
.feature-row p {
    color: var(--muted);
    line-height: 1.8;
    margin-bottom: 1.5rem;
    font-size: 0.97rem;
}
.feature-checklist { display: flex; flex-direction: column; gap: 0.75rem; }
.feature-checklist li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.93rem;
    color: var(--gray-600);
    font-weight: 500;
}
.feature-checklist li::before {
    content: '';
    width: 22px; height: 22px;
    border-radius: 50%;
    background-color: var(--blue-50);
    border: 1px solid var(--blue-100);
    flex-shrink: 0;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%232563eb'%3E%3Cpath d='M13.78 4.22a.75.75 0 010 1.06l-7.25 7.25a.75.75 0 01-1.06 0L2.22 9.28a.75.75 0 011.06-1.06L6 10.94l6.72-6.72a.75.75 0 011.06 0z'/%3E%3C/svg%3E");
    background-size: 11px;
    background-position: center;
    background-repeat: no-repeat;
}
.feature-image {
    border-radius: var(--r-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    aspect-ratio: 4/3;
}
.feature-image img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform 0.6s var(--ease);
}
.feature-row:hover .feature-image img { transform: scale(1.03); }

/* === Process === */
.process-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
    position: relative;
    margin-top: 3rem;
}
.process-grid::before {
    content: '';
    position: absolute;
    top: 27px;
    left: calc(16.67% + 27px);
    right: calc(16.67% + 27px);
    height: 0;
    border-top: 2px dashed var(--blue-100);
}
.process-item { text-align: center; position: relative; z-index: 1; }
.process-step {
    width: 54px; height: 54px;
    background: var(--blue);
    color: white;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.2rem; font-weight: 800;
    margin: 0 auto 1.5rem;
    box-shadow: var(--shadow-blue);
    position: relative; z-index: 2;
}
.process-item h4 {
    font-size: 1.1rem; font-weight: 700;
    color: var(--text);
    margin-bottom: 0.75rem;
    letter-spacing: -0.3px;
}
.process-item p { font-size: 0.9rem; color: var(--muted); line-height: 1.7; }

/* === Testimonials === */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 3rem;
}
.testimonial-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--r-xl);
    padding: 2rem;
    transition: var(--t-slow);
}
.testimonial-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}
.testimonial-stars {
    display: flex; gap: 3px;
    margin-bottom: 1rem;
}
.testimonial-stars span {
    color: #f59e0b;
    font-size: 0.95rem;
}
.testimonial-card blockquote {
    font-size: 0.95rem;
    color: var(--gray-600);
    line-height: 1.7;
    margin-bottom: 1.5rem;
    font-style: italic;
}
.testimonial-author {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
.testimonial-avatar {
    width: 42px; height: 42px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--blue), #818cf8);
    display: flex; align-items: center; justify-content: center;
    color: white;
    font-weight: 800;
    font-size: 0.9rem;
    flex-shrink: 0;
}
.testimonial-name {
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--text);
}
.testimonial-role {
    font-size: 0.8rem;
    color: var(--muted);
}

/* === Portfolio === */
.portfolio-filters {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}
.filter-btn {
    padding: 8px 22px;
    border-radius: var(--r-full);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    border: 1.5px solid var(--border);
    color: var(--muted);
    background: white;
    transition: var(--t);
    font-family: inherit;
}
.filter-btn:hover { border-color: var(--blue); color: var(--blue); }
.filter-btn.active {
    background: var(--blue);
    border-color: var(--blue);
    color: white;
    box-shadow: var(--shadow-blue-sm);
}
/* Legacy compat for portfolio filter */
.portfolio-filters .btn.active {
    background: var(--blue);
    border-color: var(--blue);
    color: white;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}
.portfolio-item { transition: opacity 0.3s ease; }
.portfolio-card {
    border-radius: var(--r-xl);
    overflow: hidden;
    background: var(--gray-100);
    box-shadow: var(--shadow-sm);
    transition: var(--t-slow);
}
.portfolio-card-img {
    position: relative;
    overflow: hidden;
    height: 220px;
}
.portfolio-card-img img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform 0.6s var(--ease);
}
.portfolio-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-6px);
}
.portfolio-card:hover .portfolio-card-img img { transform: scale(1.05); }
.portfolio-card-body {
    padding: 1.75rem;
    background: white;
}
.portfolio-type {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--blue);
    margin-bottom: 0.4rem;
}
.portfolio-card-body h4 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 0.5rem;
    letter-spacing: -0.3px;
}
.portfolio-card-body p {
    font-size: 0.875rem;
    color: var(--muted);
    margin-bottom: 1.25rem;
    line-height: 1.6;
}
.portfolio-link {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--blue);
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    transition: gap 0.2s;
}
.portfolio-link:hover { gap: 0.8rem; }

/* === FAQ === */
.faq-container { max-width: 700px; margin: 3rem auto 0; }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-question {
    padding: 1.5rem 0;
    font-weight: 700;
    font-size: 0.97rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text);
    transition: color 0.2s;
    gap: 1rem;
}
.faq-question:hover { color: var(--blue); }
.faq-icon {
    width: 30px; height: 30px;
    border-radius: 50%;
    background: var(--gray-100);
    border: 1px solid var(--border);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.1rem;
    font-weight: 300;
    flex-shrink: 0;
    transition: var(--t);
    color: var(--muted);
    line-height: 1;
}
.faq-item.active .faq-icon {
    background: var(--blue-50);
    border-color: var(--blue-100);
    color: var(--blue);
    transform: rotate(45deg);
}
.faq-answer {
    padding: 0 0 1.5rem;
    color: var(--muted);
    line-height: 1.8;
    display: none;
    font-size: 0.95rem;
}
.faq-item.active .faq-answer { display: block; }

/* === CTA Dark Section === */
.cta-section {
    background: var(--dark-2);
    padding: 100px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.cta-section::before {
    content: '';
    position: absolute;
    width: 800px; height: 500px;
    border-radius: 50%;
    background: radial-gradient(ellipse, rgba(37,99,235,0.12) 0%, transparent 70%);
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
}
.cta-section .section-tag {
    color: #93c5fd;
    background: rgba(37,99,235,0.12);
    border-color: rgba(37,99,235,0.25);
}
.cta-section .section-tag::before { background: #60a5fa; }
.cta-section h2 {
    font-size: clamp(2rem, 4.5vw, 3.5rem);
    font-weight: 800;
    letter-spacing: -1.5px;
    color: white;
    margin-bottom: 1.25rem;
    position: relative;
}
.cta-section p {
    color: rgba(255,255,255,0.5);
    font-size: 1.05rem;
    max-width: 500px;
    margin: 0 auto 2.5rem;
    line-height: 1.8;
    position: relative;
}
.cta-actions {
    display: flex; gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    position: relative;
}

/* === Contact === */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 6rem;
    align-items: start;
}
.contact-info h2 {
    font-size: clamp(1.8rem, 3vw, 2.4rem);
    font-weight: 800;
    letter-spacing: -1px;
    color: var(--text);
    margin-bottom: 1rem;
    line-height: 1.15;
}
.contact-info > p {
    color: var(--muted);
    line-height: 1.8;
    margin-bottom: 2.5rem;
    font-size: 0.97rem;
}
.contact-details { display: flex; flex-direction: column; gap: 1.25rem; }
.contact-item {
    display: flex; align-items: center; gap: 1rem;
}
.contact-item-icon {
    width: 46px; height: 46px;
    background: var(--blue-50);
    border: 1px solid var(--blue-100);
    border-radius: var(--r-md);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.1rem;
    flex-shrink: 0;
}
.contact-item-label {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--muted);
    margin-bottom: 2px;
}
.contact-item-value {
    font-weight: 600;
    color: var(--text);
    font-size: 0.95rem;
}

.contact-form-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--r-xl);
    padding: 3rem;
    box-shadow: var(--shadow-md);
}
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
    margin-bottom: 1.25rem;
}
.form-group { margin-bottom: 1.25rem; }
.form-label {
    display: block;
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--gray-700);
    margin-bottom: 0.5rem;
    letter-spacing: 0.3px;
}
input, textarea, select {
    width: 100%;
    padding: 0.9rem 1.1rem;
    background: var(--gray-50);
    border: 1.5px solid var(--border);
    border-radius: var(--r-md);
    font-family: inherit;
    font-size: 0.95rem;
    color: var(--text);
    transition: var(--t);
    outline: none;
    appearance: none;
}
input:focus, textarea:focus {
    background: white;
    border-color: var(--blue);
    box-shadow: 0 0 0 4px rgba(37,99,235,0.08);
}
textarea { resize: vertical; }

/* === Page Hero (inner pages) === */
.page-hero {
    background: var(--dark);
    padding: 160px 0 80px;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.page-hero::before {
    content: '';
    position: absolute; inset: 0;
    background: radial-gradient(ellipse at center top, rgba(37,99,235,0.1) 0%, transparent 60%);
}
.page-hero-dots {
    position: absolute; inset: 0;
    background-image: radial-gradient(rgba(255,255,255,0.035) 1.5px, transparent 1.5px);
    background-size: 36px 36px;
}
.page-hero-content { position: relative; z-index: 1; }
.page-hero h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    letter-spacing: -2px;
    color: white;
    margin-bottom: 1rem;
    line-height: 1.05;
}
.page-hero p {
    font-size: 1.05rem;
    color: rgba(255,255,255,0.52);
    max-width: 520px;
    margin: 0 auto;
    line-height: 1.8;
}

/* === Footer === */
.footer {
    background: var(--dark);
    padding: 80px 0 40px;
}
.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 5rem;
    margin-bottom: 60px;
}
.footer-brand .logo { margin-bottom: 1rem; display: block; }
.footer-brand p {
    font-size: 0.88rem;
    line-height: 1.75;
    color: rgba(255,255,255,0.38);
    max-width: 280px;
}
.footer-col h4 {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: rgba(255,255,255,0.88);
    margin-bottom: 1.5rem;
}
.footer-col ul li { margin-bottom: 0.75rem; }
.footer-col a {
    font-size: 0.88rem;
    color: rgba(255,255,255,0.38);
    transition: color 0.2s;
}
.footer-col a:hover { color: white; }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.07);
    padding-top: 32px;
    text-align: center;
    font-size: 0.8rem;
    color: rgba(255,255,255,0.2);
}

/* === Cards (generic) === */
.card {
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--r-xl);
    padding: 2.5rem;
    transition: var(--t-slow);
}
.card:hover { box-shadow: var(--shadow-md); }

/* === Modals === */
.modal {
    display: none;
    position: fixed; z-index: 2000; inset: 0;
    background: rgba(6,9,15,0.8);
    backdrop-filter: blur(8px);
    opacity: 0;
    transition: opacity 0.3s ease;
    align-items: center;
    justify-content: center;
}
.modal.active {
    display: flex;
    opacity: 1;
}
.modal-content {
    background: white;
    border-radius: var(--r-xl);
    padding: 3rem;
    width: 90%; max-width: 700px;
    max-height: 85vh; overflow-y: auto;
    position: relative;
    box-shadow: 0 40px 100px rgba(0,0,0,0.3);
    transform: translateY(-20px);
    transition: transform 0.3s ease;
}
.modal.active .modal-content { transform: translateY(0); }
.close-modal {
    position: absolute; top: 1.5rem; right: 1.5rem;
    width: 36px; height: 36px;
    border-radius: 50%;
    background: var(--gray-100);
    border: 1px solid var(--border);
    display: flex; align-items: center; justify-content: center;
    cursor: pointer;
    font-size: 1.2rem;
    color: var(--muted);
    transition: var(--t);
}
.close-modal:hover { background: var(--gray-200); color: var(--text); }
.modal h2 {
    font-size: 1.75rem; font-weight: 800;
    margin-bottom: 1.5rem;
    color: var(--text); letter-spacing: -0.5px;
}
.modal-body { color: var(--muted); line-height: 1.75; }
.modal-body h3 { color: var(--text); font-size: 1rem; margin: 1.5rem 0 0.5rem; }
.modal-body::-webkit-scrollbar { width: 5px; }
.modal-body::-webkit-scrollbar-thumb { background: var(--border); border-radius: 10px; }

/* === Alerts === */
.alert {
    padding: 1rem 1.5rem;
    border-radius: var(--r-md);
    font-weight: 500;
    font-size: 0.92rem;
    margin-bottom: 1.5rem;
}
.alert-success { background: #d1fae5; border: 1px solid #34d399; color: #065f46; }
.alert-error   { background: #fee2e2; border: 1px solid #f87171; color: #991b1b; }

/* === Tag Pills === */
.blog-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-bottom: 0.75rem;
}
.tag-pill {
    display: inline-block;
    padding: 3px 12px;
    background: var(--blue-50);
    color: var(--blue);
    border: 1px solid var(--blue-100);
    border-radius: var(--r-full);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    transition: var(--t);
    text-decoration: none;
}
a.tag-pill:hover {
    background: var(--blue);
    color: white;
    border-color: var(--blue);
}

/* === Blog List === */
.blog-featured { }
.blog-featured-inner {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 3rem;
    align-items: center;
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--r-xl);
    overflow: hidden;
    transition: var(--t-slow);
    text-decoration: none;
    color: inherit;
}
.blog-featured-inner:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}
.blog-featured-img {
    overflow: hidden;
    height: 340px;
}
.blog-featured-img img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform 0.6s var(--ease);
}
.blog-featured-inner:hover .blog-featured-img img { transform: scale(1.04); }
.blog-featured-body { padding: 2.5rem 2.5rem 2.5rem 0; }
.blog-featured-body h2 {
    font-size: clamp(1.4rem, 2.5vw, 2rem);
    font-weight: 800;
    letter-spacing: -0.8px;
    color: var(--text);
    margin-bottom: 1rem;
    line-height: 1.2;
}
.blog-featured-body p { color: var(--muted); line-height: 1.75; margin-bottom: 1.5rem; }

.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}
.blog-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--r-xl);
    overflow: hidden;
    transition: var(--t-slow);
}
.blog-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
}
.blog-card a { color: inherit; text-decoration: none; display: block; }
.blog-card-img {
    overflow: hidden;
    height: 200px;
}
.blog-card-img img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform 0.5s var(--ease);
}
.blog-card:hover .blog-card-img img { transform: scale(1.05); }
.blog-card-body { padding: 1.75rem; }
.blog-card-body h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text);
    margin: 0.5rem 0 0.75rem;
    letter-spacing: -0.3px;
    line-height: 1.3;
}
.blog-card-body p { font-size: 0.875rem; color: var(--muted); line-height: 1.65; margin-bottom: 1rem; }

.blog-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
    color: var(--muted);
}
.blog-read-more { font-weight: 700; color: var(--blue); }

.blog-card-img--placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gray-100);
    font-size: 2.5rem;
}
.blog-card-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-bottom: 0.75rem; }
.blog-card-title { font-size: 1.05rem; font-weight: 700; color: var(--text); margin: 0 0 0.6rem; line-height: 1.35; letter-spacing: -0.3px; }
.blog-card-title a { color: inherit; text-decoration: none; display: inline; }
.blog-card-title a:hover { color: var(--blue); }
.blog-card-excerpt { font-size: 0.875rem; color: var(--muted); line-height: 1.65; margin-bottom: 1rem; }
.blog-card-footer { display: flex; justify-content: space-between; align-items: center; padding-top: 1rem; border-top: 1px solid var(--border); }
.blog-card-date { font-size: 0.78rem; color: var(--muted); }
.blog-card-link { font-size: 0.85rem; font-weight: 700; color: var(--blue); text-decoration: none; }
.blog-card-link:hover { text-decoration: underline; }

/* === Post Content === */
.post-content { font-size: 1.05rem; line-height: 1.85; color: var(--gray-700); }
.post-content h2 { font-size: 1.6rem; font-weight: 800; margin: 2.5rem 0 1rem; color: var(--text); letter-spacing: -0.5px; }
.post-content h3 { font-size: 1.25rem; font-weight: 700; margin: 2rem 0 0.75rem; color: var(--text); }
.post-content p { margin-bottom: 1.5rem; }
.post-content ul, .post-content ol { padding-left: 1.5rem; margin-bottom: 1.5rem; }
.post-content li { margin-bottom: 0.5rem; }
.post-content strong { font-weight: 700; color: var(--text); }
.post-content a { color: var(--blue); text-decoration: underline; }
.post-content blockquote {
    border-left: 3px solid var(--blue);
    padding: 1rem 1.5rem;
    background: var(--blue-50);
    border-radius: 0 var(--r-md) var(--r-md) 0;
    margin: 2rem 0;
    font-style: italic;
    color: var(--gray-600);
}
.post-content img { border-radius: var(--r-md); margin: 1.5rem 0; max-width: 100%; }
.post-content code {
    background: var(--gray-100);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.9em;
    font-family: monospace;
}

@media (max-width: 768px) {
    .blog-featured-inner { grid-template-columns: 1fr; }
    .blog-featured-img { height: 220px; }
    .blog-featured-body { padding: 1.75rem; }
    .blog-grid { grid-template-columns: 1fr; }
}

/* === 404 Page === */
.error-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--dark);
    position: relative;
    overflow: hidden;
    text-align: center;
    padding: 4rem 1.5rem;
}
.error-orb-1 {
    position: absolute;
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(59,130,246,0.18) 0%, transparent 70%);
    top: -150px; left: -150px;
    border-radius: 50%;
    pointer-events: none;
}
.error-orb-2 {
    position: absolute;
    width: 500px; height: 500px;
    background: radial-gradient(circle, rgba(139,92,246,0.14) 0%, transparent 70%);
    bottom: -100px; right: -100px;
    border-radius: 50%;
    pointer-events: none;
}
.error-content { position: relative; z-index: 1; max-width: 560px; margin: 0 auto; }
.error-code {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
    margin-bottom: 2rem;
    line-height: 1;
}
.error-digit {
    font-size: clamp(6rem, 15vw, 10rem);
    font-weight: 900;
    letter-spacing: -4px;
    background: linear-gradient(135deg, #fff 0%, rgba(255,255,255,0.45) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.error-icon {
    font-size: clamp(4rem, 10vw, 7rem);
    filter: drop-shadow(0 0 30px rgba(59,130,246,0.6));
    animation: error-pulse 2.5s ease-in-out infinite;
}
@keyframes error-pulse {
    0%, 100% { transform: scale(1); filter: drop-shadow(0 0 20px rgba(59,130,246,0.5)); }
    50%       { transform: scale(1.1); filter: drop-shadow(0 0 40px rgba(59,130,246,0.9)); }
}
.error-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    color: #fff;
    letter-spacing: -1px;
    margin-bottom: 1rem;
}
.error-subtitle {
    font-size: 1.05rem;
    color: rgba(255,255,255,0.55);
    line-height: 1.7;
    margin-bottom: 2.5rem;
}
.error-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 2.5rem;
}
.error-links {
    display: flex;
    align-items: center;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    font-size: 0.9rem;
    color: rgba(255,255,255,0.4);
}
.error-links a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    border-bottom: 1px solid rgba(255,255,255,0.2);
    padding-bottom: 1px;
    transition: color 0.2s, border-color 0.2s;
}
.error-links a:hover { color: #fff; border-color: rgba(255,255,255,0.6); }

/* === Scroll Reveal === */
.animate {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.65s var(--ease), transform 0.65s var(--ease);
}
.animate.visible { opacity: 1; transform: none; }
.animate[data-delay="1"] { transition-delay: 0.1s; }
.animate[data-delay="2"] { transition-delay: 0.2s; }
.animate[data-delay="3"] { transition-delay: 0.3s; }
.animate[data-delay="4"] { transition-delay: 0.4s; }

/* === Responsive === */
@media (max-width: 1024px) {
    .services-grid       { grid-template-columns: 1fr 1fr; }
    .portfolio-grid      { grid-template-columns: 1fr 1fr; }
    .testimonials-grid   { grid-template-columns: 1fr; }
    .footer-content      { grid-template-columns: 1fr 1fr; gap: 3rem; }
    .contact-grid        { grid-template-columns: 1fr; gap: 3rem; }
    .feature-row         { gap: 3rem; }
}
@media (max-width: 768px) {
    .nav-links              { display: none; }
    .hero h1                { letter-spacing: -1.5px; }
    .services-grid          { grid-template-columns: 1fr; }
    .portfolio-grid         { grid-template-columns: 1fr; }
    .stats-grid             { grid-template-columns: 1fr 1fr; }
    .stat-item::after       { display: none; }
    .process-grid           { grid-template-columns: 1fr; }
    .process-grid::before   { display: none; }
    .feature-row            { grid-template-columns: 1fr; }
    .footer-content         { grid-template-columns: 1fr; gap: 2.5rem; }
    .form-row               { grid-template-columns: 1fr; }
    section                 { padding: 70px 0; }
}