/* --- VARIABLES & RESET --- */
:root {
    --bg-base: #050A0C;
    --bg-mid: #071416;
    --bg-soft: #0A171A;
    --bg-soft-2: #0D1D21;

    --emerald-light: #34F5A3;
    --emerald-mid: #17C97D;
    --emerald-dark: #0B8F5A;
    --emerald-deep: #066341;
    --emerald-gradient: linear-gradient(135deg, #34F5A3 0%, #17C97D 45%, #0B8F5A 100%);

    --text-white: #EAF5F0;
    --text-muted: rgba(234, 245, 240, 0.72);
    --text-soft: rgba(234, 245, 240, 0.56);

    --border-glass: rgba(255, 255, 255, 0.08);
    --border-strong: rgba(52, 245, 163, 0.18);
    --surface-glass: rgba(255, 255, 255, 0.05);
    --surface-card: rgba(255, 255, 255, 0.04);

    --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.25);
    --shadow-card: 0 16px 40px rgba(0, 0, 0, 0.32);
    --shadow-hover: 0 22px 50px rgba(0, 0, 0, 0.42);

    --font-heading: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;

    --container-width: 1200px;
    --header-height: 96px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    background: linear-gradient(
        180deg,
        #050A0C 0%,
        #071416 50%,
        #08191C 100%
    );
    color: var(--text-white);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    color: var(--text-white);
    font-weight: 700;
    letter-spacing: -0.02em;
}

p {
    color: var(--text-muted);
    font-size: 1.05rem;
    font-weight: 300;
}

a {
    text-decoration: none;
    color: inherit;
    transition: 0.3s ease;
}

ul {
    list-style: none;
}

/* --- UTILITIES --- */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

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

.text-muted { color: var(--text-muted) !important; }
.text-white { color: var(--text-white) !important; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-4 { margin-bottom: 1.5rem; }

.section-padding {
    padding: 80px 0;
}

.section-alt {
    position: relative;
    background:
        radial-gradient(circle at 20% 30%, rgba(52, 245, 163, 0.05), transparent 40%),
        radial-gradient(circle at 80% 70%, rgba(23, 201, 125, 0.03), transparent 45%),
        linear-gradient(180deg, rgba(255,255,255,0.02) 0%, rgba(255,255,255,0.01) 100%);
    border-top: 1px solid var(--border-glass);
    border-bottom: 1px solid var(--border-glass);
    overflow: hidden;
}

.section-alt::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0));
    pointer-events: none;
}

.section-alt .container {
    position: relative;
    z-index: 2;
}

/* --- BUTTONS --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    border: none;
    transition: all 0.3s ease;
}

.btn-primary {
    background: var(--emerald-gradient);
    color: #04110d;
    box-shadow: 0 8px 22px rgba(23, 201, 125, 0.18);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 30px rgba(23, 201, 125, 0.26);
    filter: brightness(1.05);
}

.btn-secondary {
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--border-glass);
    color: var(--text-white);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    border-color: rgba(52, 245, 163, 0.28);
    background: rgba(52, 245, 163, 0.06);
}

/* --- HEADER --- */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    z-index: 1000;
    background: rgba(6, 20, 18, 0.78);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(52,245,163,0.08);
    box-shadow: 0 6px 30px rgba(0,0,0,0.18);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.logo {
    position: relative;
    display: flex;
    align-items: center;
}

.logo::before {
    content: "";
    position: absolute;
    width: 120px;
    height: 120px;
    left: -20px;
    top: -30px;
    background: radial-gradient(circle, rgba(52,245,163,0.10), transparent 70%);
    filter: blur(12px);
    z-index: 0;
}

.brand-logo {
    position: relative;
    z-index: 1;
    height: 120px;
    width: auto;
    display: block;
    transition: transform 0.3s ease;
}

.brand-logo:hover {
    transform: scale(1.03);
}

.nav-links {
    display: flex;
    gap: 42px;
}

.nav-links a {
    color: #CFEDE3;
    font-size: 1rem;
    font-weight: 500;
    position: relative;
}

.nav-links a:hover {
    color: #34F5A3;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--emerald-light);
    transition: width 0.3s ease;
}

.nav-links a:hover::after {
    width: 100%;
}

.mobile-btn { display: none; }

.nav-burger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
}

.nav-burger span {
    display: block;
    width: 25px;
    height: 2px;
    background: #CFEDE3;
    margin: 5px 0;
}

/* --- HERO --- */
.hero {
    padding-top: calc(var(--header-height) + 60px);
    padding-bottom: 80px;
    min-height: 90vh;
    display: flex;
    align-items: center;
}

.hero-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: center;
}

.pill-label {
    display: inline-block;
    padding: 6px 14px;
    background: rgba(52, 245, 163, 0.08);
    border: 1px solid rgba(52, 245, 163, 0.18);
    border-radius: 50px;
    color: var(--emerald-light);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: 24px;
    box-shadow: 0 0 24px rgba(52, 245, 163, 0.04);
}

.hero h1 {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 24px;
}

.hero p {
    margin-bottom: 30px;
    max-width: 90%;
}

.btn-group {
    display: flex;
    gap: 15px;
    margin-bottom: 40px;
}

.trust-row {
    display: flex;
    gap: 30px;
    border-top: 1px solid var(--border-glass);
    padding-top: 24px;
}

.trust-num {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--text-white);
    font-size: 1.1rem;
}

.trust-label {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* --- GLASS / CARD STYLES --- */
.glass-card,
.glass-form,
.about-card,
.project-card,
.step-card,
.mini-item,
.quote-card {
    background: var(--surface-card);
    backdrop-filter: blur(18px);
    border: 1px solid var(--border-glass);
    box-shadow: var(--shadow-card);
}

.glass-card {
    border-radius: 20px;
    padding: 30px;
    position: relative;
}

.card-decoration {
    position: absolute;
    top: -20px;
    right: -20px;
    width: 90px;
    height: 90px;
    background: radial-gradient(circle, rgba(52, 245, 163, 0.14), transparent 70%);
    border-radius: 50%;
    filter: blur(22px);
    z-index: -1;
}

.panel-header {
    display: flex;
    gap: 6px;
    margin-bottom: 20px;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255,255,255,0.12);
}

.checklist li {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.checklist li::before {
    content: '✓';
    color: var(--emerald-light);
    font-weight: bold;
}

/* --- SECTION HEADERS --- */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 50px auto;
    padding-top: 10px;
}

.section-header::before {
    content: "";
    display: block;
    width: 50px;
    height: 2px;
    margin: 0 auto 14px auto;
    background: linear-gradient(90deg, transparent, rgba(52, 245, 163, 0.85), transparent);
    border-radius: 2px;
}

.section-tag {
    display: inline-block;
    padding: 6px 18px;
    font-size: 0.7rem;
    letter-spacing: 0.12em;
    border-radius: 50px;
    border: 1px solid rgba(52, 245, 163, 0.28);
    background: rgba(52, 245, 163, 0.05);
    color: var(--emerald-light);
    margin-bottom: 16px;
    font-weight: 600;
    text-transform: uppercase;
}

.section-header h2 {
    font-size: 2.4rem;
    margin-bottom: 12px;
    position: relative;
}

.section-header h2::after {
    content: "";
    display: block;
    width: 80px;
    height: 2px;
    margin: 14px auto 0 auto;
    background: linear-gradient(90deg, transparent, rgba(52, 245, 163, 0.65), transparent);
}

.section-header p {
    font-size: 1rem;
    margin-top: 14px;
    color: var(--text-muted);
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

/* --- SERVICE CARD --- */
.service-card {
    background: rgba(255,255,255,0.04);
    border: 1px solid var(--border-glass);
    padding: 30px;
    border-radius: 16px;
    transition: all 0.4s ease;
    box-shadow: var(--shadow-soft);
}

.service-card:hover {
    border-color: rgba(52, 245, 163, 0.25);
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.service-icon {
    width: 40px;
    height: 40px;
    margin-bottom: 20px;
    border-radius: 8px;
    background: rgba(52, 245, 163, 0.1);
    color: var(--emerald-light);
    display: flex;
    align-items: center;
    justify-content: center;
}

.tag {
    display: inline-block;
    margin-top: 15px;
    font-size: 0.75rem;
    padding: 4px 10px;
    background: rgba(255,255,255,0.05);
    border-radius: 4px;
    color: var(--text-muted);
}

/* --- WHY & ABOUT --- */
.why-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.mini-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-top: 40px;
}

.mini-item {
    position: relative;
    padding: 25px 25px 25px 30px;
    border-radius: 16px;
    transition: all 0.4s ease;
    overflow: hidden;
}

.mini-item::before {
    content: "";
    position: absolute;
    left: 0;
    top: 20%;
    width: 3px;
    height: 60%;
    background: linear-gradient(180deg, rgba(52,245,163,0.75), rgba(52,245,163,0.22));
    border-radius: 3px;
    opacity: 0.9;
}

.mini-item:hover {
    transform: translateY(-6px);
    border-color: rgba(52,245,163,0.22);
    box-shadow: var(--shadow-hover);
}

.mini-item h4 {
    font-size: 1.05rem;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-white);
}

.mini-item p {
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--text-muted);
}

.quote-card {
    padding: 50px;
    border-radius: 24px;
    position: relative;
}

.quote-text {
    font-size: 1.3rem;
    line-height: 1.7;
    border-left: 3px solid var(--emerald-dark);
    padding-left: 25px;
    color: var(--text-white);
    font-weight: 400;
    font-style: italic;
}

.quote-card::after {
    content: "";
    position: absolute;
    bottom: -40px;
    left: 50%;
    transform: translateX(-50%);
    width: 70%;
    height: 60px;
    background: radial-gradient(circle, rgba(52, 245, 163, 0.12), transparent 70%);
    filter: blur(25px);
    z-index: -1;
    opacity: 0.6;
}

.badge {
    display: inline-block;
    padding: 5px 12px;
    font-size: 0.75rem;
    border-radius: 30px;
    background: rgba(52, 245, 163, 0.14);
    color: var(--emerald-light);
    border: 1px solid rgba(52, 245, 163, 0.35);
    font-weight: 700;
    letter-spacing: 0.08em;
}

/* --- PROCESS --- */
#process .grid-3 {
    gap: 40px;
}

.step-card {
    position: relative;
    padding: 50px 40px 45px 40px;
    border-radius: 20px;
    transition: all 0.4s ease;
    overflow: hidden;
    text-align: center;
}

.step-card:hover {
    transform: translateY(-8px);
    border-color: rgba(52, 245, 163, 0.3);
    box-shadow: var(--shadow-hover);
}

.step-num {
    position: absolute;
    top: 10px;
    left: 50%;
    font-size: 6rem;
    font-weight: 700;
    font-family: var(--font-heading);
    color: rgba(255,255,255,0.04);
    z-index: 0;
    pointer-events: none;
    transform: translateX(-50%);
    line-height: 1;
}

.step-card::before {
    content: "";
    position: absolute;
    left: 0;
    top: 40px;
    width: 3px;
    height: 60px;
    background: linear-gradient(to bottom, rgba(52, 245, 163, 0.95), rgba(23, 201, 125, 0.28));
    border-radius: 3px;
}

.step-card::after {
    content: "";
    position: absolute;
    bottom: -40px;
    right: -40px;
    width: 150px;
    height: 150px;
    background: radial-gradient(circle, rgba(52, 245, 163, 0.14), transparent 70%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.step-card:hover::after {
    opacity: 1;
}

.step-card h3,
.step-card p {
    position: relative;
    z-index: 2;
}

.step-card h3 {
    font-size: 1.3rem;
    margin-bottom: 16px;
    font-weight: 600;
}

.step-card h3::after {
    content: "";
    display: block;
    width: 40px;
    height: 2px;
    margin: 12px auto 0;
    background: linear-gradient(to right, transparent, rgba(52,245,163,0.85), transparent);
    border-radius: 2px;
}

.step-card p {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* --- ABOUT --- */
.about-wrapper {
    display: grid;
    grid-template-columns: 1fr;
    gap: 60px;
}

.about-intro {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 60px auto;
}

.about-intro h2 {
    font-size: 2.7rem;
    margin-top: 10px;
    margin-bottom: 14px;
    font-weight: 700;
}

.about-lead {
    font-size: 1.05rem;
    color: var(--text-muted);
    line-height: 1.7;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.about-card {
    border-radius: 18px;
    padding: 32px;
    transition: all 0.4s ease;
    position: relative;
}

.about-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 100%;
    background: linear-gradient(to bottom, rgba(52,245,163,0.8), rgba(52,245,163,0.2));
    border-radius: 2px;
}

.about-card:hover {
    transform: translateY(-6px);
    border-color: rgba(52,245,163,0.28);
    box-shadow: var(--shadow-hover);
}

.about-card h3 {
    margin-bottom: 12px;
    font-size: 1.2rem;
    font-weight: 600;
}

.about-card p {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-muted);
}

/* --- EXPERTISE GRID --- */
.expertise-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 60px;
}

.expertise-card {
    position: relative;
    border-radius: 18px;
    overflow: hidden;
    cursor: pointer;
    transition: transform 0.4s ease, box-shadow 0.4s ease;
    box-shadow: var(--shadow-soft);
}

.expertise-card img {
    width: 100%;
    height: 320px;
    object-fit: cover;
    display: block;
    transition: transform 0.6s ease;
}

.expertise-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 25px;
    background: linear-gradient(
        to top,
        rgba(9, 26, 22, 0.88) 0%,
        rgba(9, 26, 22, 0.58) 40%,
        rgba(9, 26, 22, 0.15) 72%,
        rgba(9, 26, 22, 0) 100%
    );
    color: white;
}

.expertise-overlay h3 {
    font-size: 1.25rem;
    margin-bottom: 10px;
    font-weight: 600;
    color: #ffffff;
}

.expertise-overlay p {
    font-size: 0.9rem;
    opacity: 0.92;
    margin-bottom: 12px;
    color: rgba(255,255,255,0.88);
}

.expertise-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
}

.expertise-card:hover img {
    transform: scale(1.08);
}

/* --- PROJECTS --- */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.project-card {
    border-radius: 18px;
    padding: 35px;
    transition: 0.4s ease;
    position: relative;
    overflow: hidden;
}

.project-card:hover {
    transform: translateY(-6px);
    border-color: rgba(52, 245, 163, 0.3);
    box-shadow: var(--shadow-hover);
}

.project-logo {
    height: 55px;
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.project-logo img {
    max-height: 70px;
    width: auto;
    object-fit: contain;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.project-card:hover .project-logo img {
    opacity: 1;
    transform: scale(1.05);
}

.project-logo::after {
    content: "";
    display: block;
    height: 1px;
    width: 100%;
    margin-top: 18px;
    background: linear-gradient(to right, transparent, rgba(52,245,163,0.35), transparent);
}

.project-card h3 {
    margin-top: 25px;
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.project-card .industry {
    font-size: 0.9rem;
    color: var(--text-soft);
    margin-bottom: 20px;
}

.project-card ul {
    padding: 0;
    margin: 0 0 25px 0;
}

.project-card ul li {
    margin-bottom: 10px;
    font-size: 0.95rem;
    color: var(--text-white);
}

.visit-link {
    display: inline-block;
    font-weight: 600;
    color: var(--emerald-light);
    text-decoration: none;
    transition: 0.3s ease;
}

.visit-link:hover {
    letter-spacing: 1px;
    transform: translateX(5px);
}

/* --- DIVIDER --- */
.lux-divider {
    position: relative;
    width: 100%;
    height: 30px;
    margin: 20px 0;
    pointer-events: none;
}

.lux-divider::before {
    content: "";
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 60%;
    height: 1px;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(52,245,163,0.85),
        rgba(23,201,125,0.22),
        transparent
    );
}

.lux-divider::after {
    content: "";
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 250px;
    height: 120px;
    background: radial-gradient(circle, rgba(52,245,163,0.1), transparent 70%);
}

/* --- FORM --- */
.glass-form {
    padding: 40px;
    border-radius: 20px;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.full-width {
    grid-column: 1 / -1;
}

.field-group label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 8px;
}

input,
select,
textarea {
    width: 100%;
    background: rgba(255,255,255,0.06);
    border: 1px solid var(--border-glass);
    color: var(--text-white);
    padding: 12px;
    border-radius: 10px;
    font-family: var(--font-body);
    font-size: 0.95rem;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--emerald-mid);
    background: rgba(255,255,255,0.08);
    box-shadow: 0 0 0 2px rgba(23, 201, 125, 0.12);
}

select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-color: rgba(255,255,255,0.06);
    color: var(--text-white);
    border: 1px solid var(--border-glass);
    border-radius: 10px;
    padding: 12px 40px 12px 14px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L6 6L11 1' stroke='%2334F5A3' stroke-width='2'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    background-size: 12px;
}

select option {
    background-color: #0B1517;
    color: #EAF5F0;
}

/* --- FLOATING SOCIAL BAR --- */
.social-float {
    position: fixed;
    right: 25px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 16px;
    z-index: 999;
}

.social-icon {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.08);
    color: #CFEDE3;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    box-shadow: var(--shadow-soft);
}

.social-icon:hover {
    background: var(--emerald-gradient);
    color: #04110d;
    transform: translateX(-6px);
    box-shadow: 0 5px 22px rgba(23, 201, 125, 0.22);
}

.drone-icon {
    font-size: 20px;
}

/* --- FOOTER --- */
.footer-premium {
    position: relative;
    background: linear-gradient(
        180deg,
        #071416,
        #050A0C
    );
    border-top: 1px solid rgba(52,245,163,0.12);
    padding: 40px 0 20px 0;
    overflow: hidden;
}

.footer-premium::before,
.footer-premium::after {
    display: none;
}

.footer-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    text-align: center;
    position: relative;
    z-index: 1;
}

.footer-logo {
    height: 120px;
    width: auto;
    display: block;
    margin: 0 auto 5px;
    filter: brightness(1.2) contrast(1.05);
}

.footer-tagline {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.65);
}

.footer-links {
    display: flex;
    gap: 18px;
}

.footer-links a {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.7);
    transition: 0.3s ease;
}

.footer-links a:hover {
    color: #34F5A3;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.social-circle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    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: #CFEDE3;
    transition: 0.3s ease;
    font-size: 14px;
    box-shadow: none;
}

.social-circle:hover {
    background: #34F5A3;
    color: #04110d;
    transform: translateY(-4px);
    box-shadow: 0 5px 20px rgba(23,201,125,0.2);
}

.social-circle.drone {
    font-size: 16px;
}

.drone-img {
    width: 30px;
    height: 30px;
    object-fit: contain;
    transition: 0.3s ease;
    filter: brightness(1.05) saturate(1.08);
}

.social-circle:hover .drone-img {
    transform: scale(1.08);
}

.footer-bottom {
    text-align: center;
    margin-top: 20px;
    font-size: 0.75rem;
    color: rgba(255,255,255,0.5);
    position: relative;
    z-index: 1;
}

/* --- WHATSAPP FLOAT --- */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 65px;
    height: 65px;
    background: linear-gradient(135deg, #25D366, #1ebe57);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    color: #fff;
    box-shadow: 0 10px 25px rgba(37, 211, 102, 0.25);
    transition: all 0.3s ease;
    z-index: 999;
}

.whatsapp-float:hover {
    transform: translateY(-6px) scale(1.05);
    box-shadow: 0 15px 40px rgba(37, 211, 102, 0.35);
}

/* --- WAVE BACKGROUND SYSTEM --- */
.wave-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: var(--bg-base);
    overflow: hidden;
}

.wave {
    position: absolute;
    width: 400%;
    height: 400%;
    border-radius: 40%;
    left: -150%;
    top: 50%;
    animation: waveDrift 15s infinite linear;
}

.wave1 {
    background: rgba(6, 99, 65, 0.20);
    animation-duration: 20s;
}

.wave2 {
    background: rgba(11, 143, 90, 0.12);
    animation-duration: 15s;
    top: 55%;
    left: -160%;
}

.wave3 {
    background: radial-gradient(circle, rgba(52, 245, 163, 0.08), transparent 60%);
    animation-duration: 25s;
    top: 45%;
    left: -140%;
}

.noise-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.02;
    pointer-events: none;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
}

@keyframes waveDrift {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* --- RESPONSIVE --- */
@media (max-width: 992px) {
    .expertise-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 900px) {
    .nav-links,
    .desktop-btn {
        display: none;
    }

    .nav-burger {
        display: block;
    }

    .nav-links.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: var(--header-height);
        left: 0;
        width: 100%;
        background: rgba(6, 20, 18, 0.96);
        padding: 30px;
        border-bottom: 1px solid var(--border-glass);
        box-shadow: var(--shadow-soft);
    }

    .mobile-btn {
        display: inline-flex;
        width: 100%;
        margin-top: 10px;
    }

    .hero-content,
    .why-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero p {
        margin: 0 auto 30px auto;
        max-width: 100%;
    }

    .btn-group {
        justify-content: center;
    }

    .trust-row {
        justify-content: center;
        flex-wrap: wrap;
    }

    .form-grid {
        grid-template-columns: 1fr;
    }

    .footer-links,
    .footer-social {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    body {
        font-size: 14px;
    }

    .section-padding {
        padding: 60px 0;
    }

    .container {
        padding: 0 18px;
    }

    h1 {
        font-size: 2.2rem !important;
        line-height: 1.2;
    }

    h2 {
        font-size: 1.8rem !important;
    }

    h3 {
        font-size: 1.2rem;
    }

    p {
        font-size: 0.95rem;
    }

    .hero {
        padding-top: calc(var(--header-height) + 30px);
        padding-bottom: 60px;
        text-align: center;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .btn-group {
        flex-direction: column;
        gap: 12px;
    }

    .trust-row {
        flex-direction: column;
        gap: 12px;
        align-items: center;
    }

    .expertise-grid,
    .projects-grid,
    .about-grid,
    #process .grid-3 {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .expertise-card img {
        height: 240px;
    }

    .expertise-overlay {
        padding: 18px;
    }

    .expertise-overlay h3 {
        font-size: 1.1rem;
    }

    .expertise-overlay p {
        font-size: 0.85rem;
    }

    .project-card {
        padding: 25px;
    }

    .project-logo img {
        max-height: 55px;
    }

    .step-card {
        padding: 40px 25px;
    }

    .step-num {
        font-size: 4rem;
    }

    .about-intro {
        margin-bottom: 40px;
    }

    .about-card {
        padding: 24px;
    }

    .social-float {
        display: none;
    }

    .footer-links {
        flex-wrap: wrap;
        gap: 16px;
    }
}

@media (max-width: 600px) {
    .expertise-grid {
        grid-template-columns: 1fr;
    }

    .expertise-card img {
        height: 260px;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 50px;
        text-align: center;
    }

    .expertise-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    #process .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
}