/* ============================================
   ALTRA GROUP — Global Stylesheet v3.0
   Refined for professional corporate finish
   ============================================ */

/* ---------- CSS Variables ---------- */
:root {
    --blue:        #1B5E8A;
    --cyan:        #00AEEF;
    --green:       #7AB929;
    --green-light: #8FD42E;
    --dark-1:      #060E1A;
    --dark-2:      #0A1223;
    --dark-3:      #0F1A2E;
    --dark-4:      #162035;
    --dark-5:      #1C2A42;
    --gray-1:      #8B9BB4;
    --gray-2:      #A8B8D0;
    --gray-3:      #CBD5E1;
    --white:       #F1F5F9;
    --white-pure:  #FFFFFF;

    --gradient-brand: linear-gradient(135deg, var(--cyan) 0%, var(--blue) 50%, var(--green) 100%);
    --gradient-text:  linear-gradient(135deg, var(--cyan), var(--green-light));
    --gradient-card:  linear-gradient(160deg, rgba(15,26,46,0.6) 0%, rgba(10,18,35,0.9) 100%);

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

    --radius:    10px;
    --radius-lg: 16px;
    --shadow:    0 4px 24px rgba(0, 0, 0, 0.25);
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    background: var(--dark-1);
    color: var(--gray-2);
    line-height: 1.65;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    font-size: 15px;
}

a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }
img { max-width: 100%; display: block; }

.container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ---------- Gradient Text ---------- */
.gradient-text {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 11px 28px;
    border-radius: 50px;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.85rem;
    letter-spacing: 0.02em;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.btn-primary {
    background: var(--gradient-brand);
    color: var(--white-pure);
    box-shadow: 0 2px 12px rgba(0, 174, 239, 0.2);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(0, 174, 239, 0.35);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border: 1.5px solid var(--dark-5);
}
.btn-outline:hover {
    border-color: var(--cyan);
    color: var(--cyan);
    transform: translateY(-2px);
}

.btn-lg { padding: 14px 34px; font-size: 0.9rem; }

/* ---------- Section Utilities ---------- */
.section-tag {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(0, 174, 239, 0.06);
    border: 1px solid rgba(0, 174, 239, 0.12);
    border-radius: 50px;
    font-family: var(--font-display);
    font-size: 0.62rem;
    font-weight: 600;
    color: var(--cyan);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.25rem, 2.2vw, 1.65rem);
    font-weight: 700;
    color: var(--white);
    line-height: 1.3;
    margin-bottom: 10px;
}

.section-desc {
    font-size: 0.88rem;
    color: var(--gray-1);
    max-width: 500px;
    line-height: 1.65;
}

.section-header {
    text-align: center;
    margin-bottom: 48px;
}
.section-header .section-desc {
    margin: 0 auto;
}

/* ============================================
   NAVIGATION — Compact & Clean
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 12px 0;
    transition: var(--transition);
    background: rgba(6, 14, 26, 0.6);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.navbar.scrolled {
    background: rgba(6, 14, 26, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255,255,255,0.04);
    padding: 8px 0;
}

.nav-container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-mark {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    background: var(--gradient-brand);
    border-radius: 8px;
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.1rem;
    color: var(--white-pure);
}

.logo-text {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.1rem;
    color: var(--white);
    letter-spacing: 0.12em;
}

.logo-sub {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 0.6rem;
    color: var(--gray-1);
    letter-spacing: 0.18em;
    text-transform: uppercase;
    opacity: 0.6;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2px;
}

.nav-menu a {
    padding: 7px 16px;
    font-family: var(--font-display);
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--gray-2);
    border-radius: 6px;
    transition: var(--transition);
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--white);
    background: rgba(255,255,255,0.06);
}

/* Dropdown */
.has-dropdown { position: relative; }
.dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 190px;
    background: var(--dark-3);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: var(--radius);
    padding: 6px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(6px);
    transition: var(--transition);
    box-shadow: var(--shadow);
}
.has-dropdown:hover .dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.dropdown li a {
    display: block;
    padding: 8px 14px;
    border-radius: 6px;
    font-size: 0.8rem;
}
.dropdown li a:hover {
    background: rgba(0, 174, 239, 0.08);
    color: var(--cyan);
}

/* Mobile Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}
.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--white);
    border-radius: 2px;
    transition: var(--transition);
}
.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ============================================
   HERO — Refined & Compact
   ============================================ */
.hero {
    position: relative;
    min-height: 92vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 100px 24px 60px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(0,174,239,0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,174,239,0.025) 1px, transparent 1px);
    background-size: 50px 50px;
    mask-image: radial-gradient(ellipse at center, black 20%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 20%, transparent 75%);
}

.hero-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(140px);
    opacity: 0.3;
}
.hero-glow--1 { width: 500px; height: 500px; background: var(--blue); top: -180px; right: -80px; }
.hero-glow--2 { width: 350px; height: 350px; background: var(--green); bottom: -80px; left: -40px; opacity: 0.15; }
.hero-glow--3 { width: 250px; height: 250px; background: var(--cyan); top: 50%; left: 50%; transform: translate(-50%, -50%); opacity: 0.1; }

.hero-content {
    position: relative;
    text-align: center;
    max-width: 680px;
}

.hero-badge {
    display: inline-block;
    padding: 5px 14px;
    background: rgba(0,174,239,0.06);
    border: 1px solid rgba(0,174,239,0.12);
    border-radius: 50px;
    font-family: var(--font-display);
    font-size: 0.62rem;
    font-weight: 600;
    color: var(--cyan);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(1.6rem, 3.5vw, 2.4rem);
    font-weight: 700;
    color: var(--white);
    line-height: 1.2;
    margin-bottom: 16px;
    letter-spacing: -0.01em;
}

.hero-desc {
    font-size: 0.92rem;
    color: var(--gray-1);
    line-height: 1.7;
    margin-bottom: 28px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.hero-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 36px;
    flex-wrap: wrap;
    padding-top: 24px;
    border-top: 1px solid rgba(255,255,255,0.05);
}

.stat { text-align: center; }
.stat-number {
    display: block;
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--white);
}
.stat-label {
    font-size: 0.7rem;
    color: var(--gray-1);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}
.stat-divider {
    width: 1px;
    height: 32px;
    background: var(--dark-5);
}

.scroll-indicator {
    position: absolute;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}
.scroll-indicator span {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--gray-1);
    opacity: 0.6;
}
.scroll-line {
    width: 1px;
    height: 32px;
    background: linear-gradient(to bottom, var(--cyan), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.2; transform: scaleY(0.5); }
    50% { opacity: 0.8; transform: scaleY(1); }
}

/* ============================================
   SUBSIDIARIES CARDS
   ============================================ */
.subsidiaries {
    padding: 80px 0;
    position: relative;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.sub-card {
    position: relative;
    display: flex;
    flex-direction: column;
    padding: 32px 26px;
    background: var(--gradient-card);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: var(--radius-lg);
    transition: var(--transition);
    overflow: hidden;
}

.sub-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    opacity: 0;
    transition: var(--transition);
}

.sub-card--tech::before  { background: var(--gradient-brand); }
.sub-card--clean::before { background: linear-gradient(90deg, var(--cyan), var(--blue)); }
.sub-card--agri::before  { background: linear-gradient(90deg, var(--green), var(--cyan)); }

.sub-card:hover {
    transform: translateY(-6px);
    border-color: rgba(255,255,255,0.08);
    box-shadow: 0 16px 48px rgba(0,0,0,0.35);
}
.sub-card:hover::before { opacity: 1; }

.card-icon {
    width: 44px;
    height: 44px;
    margin-bottom: 18px;
}
.sub-card--tech .card-icon  { color: var(--cyan); }
.sub-card--clean .card-icon { color: var(--blue); }
.sub-card--agri .card-icon  { color: var(--green); }

.card-title {
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 3px;
}

.card-subtitle {
    font-size: 0.75rem;
    color: var(--gray-1);
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.card-desc {
    font-size: 0.88rem;
    color: var(--gray-2);
    line-height: 1.65;
    margin-bottom: 18px;
    flex: 1;
}

.card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 18px;
}

.card-tags span {
    padding: 3px 10px;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: 50px;
    font-size: 0.68rem;
    color: var(--gray-1);
}

.card-link {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.82rem;
    color: var(--cyan);
    display: flex;
    align-items: center;
    gap: 6px;
}
.card-link span { transition: var(--transition); }
.sub-card:hover .card-link span { transform: translateX(4px); }

/* ============================================
   WHY ALTRA — Tighter Layout
   ============================================ */
.why-altra {
    padding: 80px 0;
    background: var(--dark-2);
}

.why-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: start;
}

.why-text {
    font-size: 0.88rem;
    color: var(--gray-2);
    margin-bottom: 12px;
    line-height: 1.7;
}

.why-left .btn { margin-top: 12px; }

.value-card {
    padding: 22px;
    background: rgba(255,255,255,0.02);
    border: 1px solid rgba(255,255,255,0.04);
    border-radius: var(--radius);
    margin-bottom: 12px;
    transition: var(--transition);
}
.value-card:hover {
    background: rgba(0, 174, 239, 0.03);
    border-color: rgba(0, 174, 239, 0.12);
    transform: translateX(4px);
}

.value-number {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 0.75rem;
    color: var(--cyan);
    margin-bottom: 6px;
    letter-spacing: 0.1em;
}

.value-card h4 {
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 4px;
}

.value-card p {
    font-size: 0.85rem;
    color: var(--gray-1);
    line-height: 1.6;
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.cta-glow {
    position: absolute;
    width: 500px;
    height: 500px;
    background: var(--blue);
    border-radius: 50%;
    filter: blur(160px);
    opacity: 0.1;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.cta-content {
    position: relative;
    text-align: center;
    padding: 56px 36px;
    background: var(--gradient-card);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: var(--radius-lg);
}

.cta-content h2 {
    font-family: var(--font-display);
    font-size: clamp(1.15rem, 2vw, 1.45rem);
    font-weight: 700;
    color: var(--white);
    margin-bottom: 8px;
}

.cta-content p {
    font-size: 0.88rem;
    color: var(--gray-1);
    max-width: 440px;
    margin: 0 auto 20px;
    line-height: 1.65;
}

.cta-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ============================================
   FOOTER — Clean & Compact
   ============================================ */
.footer {
    padding: 56px 0 24px;
    background: var(--dark-2);
    border-top: 1px solid rgba(255,255,255,0.03);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 40px;
    margin-bottom: 36px;
}

.footer-brand p {
    margin-top: 12px;
    font-size: 0.82rem;
    color: var(--gray-1);
    line-height: 1.65;
}

.footer-links h4,
.footer-contact h4 {
    font-family: var(--font-display);
    font-weight: 700;
    color: var(--white);
    margin-bottom: 14px;
    font-size: 0.85rem;
}

.footer-links li { margin-bottom: 8px; }
.footer-links a {
    font-size: 0.82rem;
    color: var(--gray-1);
}
.footer-links a:hover { color: var(--cyan); }

.footer-contact p {
    font-size: 0.82rem;
    color: var(--gray-1);
    margin-bottom: 6px;
    line-height: 1.6;
}
.footer-contact a:hover { color: var(--cyan); }

.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid rgba(255,255,255,0.03);
    text-align: center;
}
.footer-bottom p {
    font-size: 0.75rem;
    color: var(--gray-1);
    opacity: 0.5;
}

/* ============================================
   ANIMATIONS — Smooth & Subtle
   ============================================ */
.animate-in {
    opacity: 0;
    transform: translateY(16px);
    animation: fadeUp 0.6s ease forwards;
}
.delay-1 { animation-delay: 0.12s; }
.delay-2 { animation-delay: 0.24s; }
.delay-3 { animation-delay: 0.36s; }
.delay-4 { animation-delay: 0.48s; }

@keyframes fadeUp {
    to { opacity: 1; transform: translateY(0); }
}

.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   PAGE HEADER (inner pages) — Compact
   ============================================ */
.page-header {
    padding: 120px 24px 56px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header .hero-glow--1 { opacity: 0.15; }

.page-header .hero-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(0,174,239,0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0,174,239,0.02) 1px, transparent 1px);
    background-size: 50px 50px;
    mask-image: radial-gradient(ellipse at center, black 15%, transparent 65%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 15%, transparent 65%);
}

.page-header-content { position: relative; }

.breadcrumb {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 14px;
    font-size: 0.78rem;
    color: var(--gray-1);
}
.breadcrumb a { color: var(--cyan); }
.breadcrumb a:hover { text-decoration: underline; }

/* ============================================
   INNER PAGE CONTENT — Refined
   ============================================ */
.content-section {
    padding: 72px 0;
}
.content-section:nth-child(even) {
    background: var(--dark-2);
}

.content-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.content-text h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 10px;
}

.content-text p {
    margin-bottom: 12px;
    line-height: 1.75;
    font-size: 0.92rem;
}

/* Service items */
.services-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-top: 24px;
}

.service-item {
    padding: 22px;
    background: rgba(255,255,255,0.02);
    border: 1px solid rgba(255,255,255,0.04);
    border-radius: var(--radius);
    transition: var(--transition);
}
.service-item:hover {
    background: rgba(0, 174, 239, 0.03);
    border-color: rgba(0, 174, 239, 0.1);
    transform: translateY(-3px);
}

.service-item h4 {
    font-family: var(--font-display);
    font-weight: 700;
    color: var(--white);
    margin-bottom: 6px;
    font-size: 0.9rem;
}
.service-item p {
    font-size: 0.82rem;
    color: var(--gray-1);
    line-height: 1.6;
}

/* Image placeholder */
.img-placeholder {
    width: 100%;
    aspect-ratio: 4/3;
    background: var(--gradient-card);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-1);
    font-size: 0.82rem;
    font-family: var(--font-display);
    opacity: 0.7;
}

/* Team grid */
.team-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 36px;
}

.team-card {
    text-align: center;
    padding: 32px 20px;
    background: var(--gradient-card);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}
.team-card:hover {
    transform: translateY(-3px);
    border-color: rgba(255,255,255,0.08);
}

.team-avatar {
    width: 64px;
    height: 64px;
    background: var(--dark-5);
    border-radius: 50%;
    margin: 0 auto 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.2rem;
    color: var(--cyan);
}

.team-card h4 {
    font-family: var(--font-display);
    font-weight: 700;
    color: var(--white);
    margin-bottom: 3px;
    font-size: 0.95rem;
}
.team-card .role {
    font-size: 0.78rem;
    color: var(--cyan);
    margin-bottom: 10px;
}
.team-card p {
    font-size: 0.8rem;
    color: var(--gray-1);
    line-height: 1.55;
}

/* ============================================
   CONTACT PAGE — Clean
   ============================================ */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 36px;
}

.contact-info-card {
    padding: 24px;
    background: rgba(255,255,255,0.02);
    border: 1px solid rgba(255,255,255,0.04);
    border-radius: var(--radius);
    margin-bottom: 14px;
}

.contact-info-card h4 {
    font-family: var(--font-display);
    font-weight: 700;
    color: var(--white);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.88rem;
}

.contact-info-card p,
.contact-info-card a {
    font-size: 0.88rem;
    color: var(--gray-2);
    line-height: 1.65;
}
.contact-info-card a:hover { color: var(--cyan); }

.contact-form {
    padding: 36px;
    background: var(--gradient-card);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: var(--radius-lg);
}

.contact-form h3 {
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 5px;
}

.contact-form > p {
    color: var(--gray-1);
    margin-bottom: 24px;
    font-size: 0.88rem;
}

.form-group { margin-bottom: 16px; }

.form-group label {
    display: block;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.78rem;
    color: var(--gray-2);
    margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 11px 16px;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 8px;
    color: var(--white);
    font-family: var(--font-body);
    font-size: 0.88rem;
    transition: var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--cyan);
    box-shadow: 0 0 0 3px rgba(0, 174, 239, 0.08);
}

.form-group textarea { min-height: 120px; resize: vertical; }
.form-group select { cursor: pointer; }
.form-group select option { background: var(--dark-3); }

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 968px) {
    .cards-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
    .why-grid { grid-template-columns: 1fr; gap: 36px; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .content-grid-2 { grid-template-columns: 1fr; }
    .services-list { grid-template-columns: 1fr; }
    .team-grid { grid-template-columns: 1fr 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .nav-toggle { display: flex; }
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 260px;
        height: 100vh;
        background: var(--dark-2);
        flex-direction: column;
        padding: 72px 24px 24px;
        gap: 2px;
        transition: var(--transition);
        border-left: 1px solid rgba(255,255,255,0.04);
    }
    .nav-menu.open { right: 0; }
    .nav-menu a { padding: 10px 14px; display: block; }
    .dropdown {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        background: transparent;
        border: none;
        box-shadow: none;
        padding-left: 14px;
    }

    .hero-stats { gap: 16px; }
    .stat-divider { display: none; }
    .footer-grid { grid-template-columns: 1fr; gap: 24px; }
    .team-grid { grid-template-columns: 1fr; }
    .hero-title { font-size: clamp(1.4rem, 6vw, 1.8rem); }
    .hero { min-height: 85vh; padding: 90px 20px 50px; }
}

/* ============================================
   PRELOADER
   ============================================ */
.preloader {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: var(--dark-1);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.4s ease, visibility 0.4s ease;
}
.preloader.hidden { opacity: 0; visibility: hidden; }
.preloader-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}
.preloader-bar {
    width: 100px;
    height: 2px;
    background: var(--dark-4);
    border-radius: 2px;
    overflow: hidden;
}
.preloader-progress {
    width: 0%;
    height: 100%;
    background: var(--gradient-brand);
    border-radius: 2px;
    animation: preloaderFill 1s ease forwards;
}
@keyframes preloaderFill {
    0% { width: 0%; }
    100% { width: 100%; }
}

/* ============================================
   WHATSAPP FLOATING BUTTON
   ============================================ */
.whatsapp-float {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 900;
    width: 50px;
    height: 50px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 3px 16px rgba(37, 211, 102, 0.35);
    transition: var(--transition);
    animation: whatsappPulse 3s ease-in-out infinite;
}
.whatsapp-float:hover {
    transform: scale(1.08);
    box-shadow: 0 5px 24px rgba(37, 211, 102, 0.5);
    animation: none;
}
.whatsapp-float svg { width: 24px; height: 24px; }
.whatsapp-tooltip {
    position: absolute;
    right: 60px;
    background: var(--dark-3);
    color: var(--white);
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.72rem;
    font-family: var(--font-display);
    font-weight: 500;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transform: translateX(6px);
    transition: var(--transition);
    pointer-events: none;
}
.whatsapp-float:hover .whatsapp-tooltip { opacity: 1; visibility: visible; transform: translateX(0); }
@keyframes whatsappPulse {
    0%, 100% { box-shadow: 0 3px 16px rgba(37, 211, 102, 0.25); }
    50% { box-shadow: 0 3px 24px rgba(37, 211, 102, 0.5); }
}

/* ============================================
   BACK TO TOP
   ============================================ */
.back-to-top {
    position: fixed;
    bottom: 24px;
    left: 24px;
    z-index: 900;
    width: 40px;
    height: 40px;
    background: var(--dark-4);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-2);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
}
.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover {
    background: var(--cyan);
    color: var(--white);
    border-color: var(--cyan);
    transform: translateY(-2px);
}

/* ============================================
   ACCESSIBILITY & POLISH
   ============================================ */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--cyan);
    outline-offset: 2px;
}

::selection {
    background: rgba(0, 174, 239, 0.25);
    color: var(--white);
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--dark-1); }
::-webkit-scrollbar-thumb { background: var(--dark-5); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--blue); }