/* ═══════════════════════════════════════════════════════════════
   SEAC — Ingeniería Especializada
   Premium Website Stylesheet — 2026 Design Trends
   Glassmorphism · Mesh Gradients · Micro-interactions
   ═══════════════════════════════════════════════════════════════ */

/* ── CSS Custom Properties ── */
:root {
    /* Brand Colors */
    --blue-50:  #EBF5FF;
    --blue-100: #D1E9FF;
    --blue-200: #A3D3FF;
    --blue-300: #66B5FF;
    --blue-400: #3399FF;
    --blue-500: #0066CC;
    --blue-600: #0052A3;
    --blue-700: #003D7A;
    --blue-800: #002952;
    --blue-900: #001A33;

    --cyan-400: #22D3EE;
    --cyan-500: #06B6D4;

    --accent:   #00AAFF;
    --accent-2: #0066CC;

    /* Neutrals */
    --white:    #FFFFFF;
    --gray-50:  #F8FAFC;
    --gray-100: #F1F5F9;
    --gray-200: #E2E8F0;
    --gray-300: #CBD5E1;
    --gray-400: #94A3B8;
    --gray-500: #64748B;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1E293B;
    --gray-900: #0F172A;
    --gray-950: #020617;

    /* Semantic */
    --success:  #10B981;
    --warning:  #F59E0B;
    --error:    #EF4444;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #0066CC 0%, #00AAFF 50%, #22D3EE 100%);
    --gradient-dark:    linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
    --gradient-glass:   linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.05) 100%);
    --gradient-mesh:    radial-gradient(ellipse at 20% 50%, rgba(0,102,204,0.15) 0%, transparent 50%),
                        radial-gradient(ellipse at 80% 20%, rgba(0,170,255,0.1) 0%, transparent 50%),
                        radial-gradient(ellipse at 50% 80%, rgba(34,211,238,0.08) 0%, transparent 50%);

    /* Shadows */
    --shadow-sm:   0 1px 2px rgba(0,0,0,0.05);
    --shadow-md:   0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
    --shadow-lg:   0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
    --shadow-xl:   0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.1);
    --shadow-2xl:  0 25px 50px -12px rgba(0,0,0,0.25);
    --shadow-glow: 0 0 40px rgba(0,102,204,0.3);
    --shadow-card: 0 4px 24px rgba(0,0,0,0.06);

    /* Typography */
    --font-primary:   'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display:   'Space Grotesk', 'Inter', sans-serif;

    /* Spacing */
    --section-py: clamp(4rem, 8vw, 8rem);
    --container-px: clamp(1rem, 4vw, 2rem);
    --container-max: 1280px;

    /* Borders */
    --radius-sm:  8px;
    --radius-md:  12px;
    --radius-lg:  16px;
    --radius-xl:  24px;
    --radius-2xl: 32px;
    --radius-full: 9999px;

    /* Transitions */
    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-spring:   cubic-bezier(0.34, 1.56, 0.64, 1);
    --transition:    0.3s var(--ease-out-expo);
    --transition-slow: 0.6s var(--ease-out-expo);
}

/* ── SVG Icon System ── */
.icon {
    width: 1em;
    height: 1em;
    display: inline-block;
    vertical-align: -0.125em;
    flex-shrink: 0;
    fill: currentColor;
    transition: transform var(--transition);
}

/* Stroke-based icons need different treatment */
.icon use {
    fill: inherit;
    stroke: inherit;
}

/* Size variants */
.icon--sm { width: 0.875em; height: 0.875em; }
.icon--lg { width: 1.25em; height: 1.25em; }
.icon--xl { width: 1.5em; height: 1.5em; }

/* ── Reset & Base ── */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
    -webkit-text-size-adjust: 100%;
    overflow-x: hidden;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.7;
    color: var(--gray-700);
    background: var(--white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body.menu-open {
    overflow: hidden;
}

body.loading {
    overflow: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition);
}

ul, ol {
    list-style: none;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

input, select, textarea {
    font-family: inherit;
    font-size: inherit;
}

::selection {
    background: var(--blue-500);
    color: var(--white);
}

.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-px);
}

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

/* ══════════════════════════════════════════
   LOADER
   ══════════════════════════════════════════ */

/* ══════════════════════════════════════════
   HEADER
   ══════════════════════════════════════════ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 10001;
    padding: 1rem 0;
    transition: all var(--transition);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    padding: 0.6rem 0;
    box-shadow: var(--shadow-sm);
}

.header__container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-px);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.header__logo {
    display: flex;
    align-items: center;
    gap: 10px;
    z-index: 10;
}


/* Nav */
.header__menu {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.header__link {
    position: relative;
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--gray-600);
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}

.header:not(.scrolled) .header__link {
    color: rgba(255,255,255,0.85);
}

.header__link:hover,
.header__link.active {
    color: var(--blue-500);
}

.header:not(.scrolled) .header__link:hover,
.header:not(.scrolled) .header__link.active {
    color: var(--white);
    background: rgba(255,255,255,0.1);
}

.header__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    transform: translateX(-50%);
    transition: width var(--transition);
}

.header__link.active::after,
.header__link:hover::after {
    width: 60%;
}

/* Actions */
.header__actions {
    display: flex;
    align-items: center;
    gap: 1rem;
    z-index: 10;
}

.header__phone {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--gray-700);
    transition: color var(--transition);
}

.header:not(.scrolled) .header__phone {
    color: rgba(255,255,255,0.9);
}

.header__phone:hover {
    color: var(--blue-500);
}

.header__phone .icon {
    width: 0.75rem;
    height: 0.75rem;
}

/* Toggle */
.header__toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    gap: 5px;
    z-index: 10;
}

.header__toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--gray-700);
    border-radius: var(--radius-full);
    transition: all var(--transition);
}

.header:not(.scrolled) .header__toggle span {
    background: var(--white);
}

.header__toggle.active {
    z-index: 10002;
    position: relative;
}

.header__toggle.active span {
    background: #111 !important;
}

/* Hide phone icon and header bg when mobile menu is open */
body.menu-open .header__phone {
    display: none;
}

body.menu-open .header {
    background: transparent !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    box-shadow: none !important;
    border-bottom: none !important;
    z-index: 10002 !important;
}

.header__toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.header__toggle.active span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.header__toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Nav */
.header__mobile-nav {
    position: fixed;
    inset: 0;
    background: #fff;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s var(--ease-out-expo);
    z-index: 9998;
}

/* Close button inside mobile nav */
.mobile-close {
    position: absolute;
    top: 1.2rem;
    right: 1.2rem;
    width: 44px;
    height: 44px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mobile-close span {
    position: absolute;
    width: 26px;
    height: 3px;
    background: #111;
    border-radius: 2px;
}

.mobile-close span:first-child {
    transform: rotate(45deg);
}

.mobile-close span:last-child {
    transform: rotate(-45deg);
}

.header__mobile-nav.open {
    opacity: 1;
    visibility: visible;
}

.header__mobile-menu {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.header__mobile-link {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--gray-800);
    padding: 0.75rem 2rem;
    border-radius: var(--radius-md);
    transition: all var(--transition);
}

.header__mobile-link:hover {
    color: var(--blue-500);
    background: var(--blue-50);
}

.header__mobile-contact {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    width: 260px;
}

/* ══════════════════════════════════════════
   BUTTONS
   ══════════════════════════════════════════ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.75rem;
    font-family: var(--font-primary);
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    transition: all var(--transition);
    border: 2px solid transparent;
    cursor: pointer;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.btn--primary {
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    box-shadow: 0 4px 15px rgba(0,102,204,0.3);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0,102,204,0.4);
}

.btn--glass {
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: var(--white);
    border-color: rgba(255,255,255,0.3);
}

.btn--glass:hover {
    background: rgba(255,255,255,0.25);
    transform: translateY(-2px);
}

.btn--outline {
    background: transparent;
    color: var(--blue-500);
    border-color: var(--blue-500);
}

.btn--outline:hover {
    background: var(--blue-500);
    color: var(--white);
}

.btn--white {
    background: var(--white);
    color: var(--blue-600);
    border: none;
    box-shadow: var(--shadow-lg);
}

.btn--white:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.btn--outline-white {
    background: transparent;
    color: var(--white);
    border-color: rgba(255,255,255,0.5);
}

.btn--outline-white:hover {
    background: rgba(255,255,255,0.1);
    border-color: var(--white);
}

.btn--sm {
    padding: 0.5rem 1.25rem;
    font-size: 0.8rem;
}

.btn--lg {
    padding: 1rem 2.25rem;
    font-size: 1rem;
}

.btn--block {
    width: 100%;
}

.btn .icon {
    width: 0.85em;
    height: 0.85em;
    transition: transform var(--transition);
}

.btn:hover .icon {
    transform: translateX(3px);
}

/* ══════════════════════════════════════════
   HERO
   ══════════════════════════════════════════ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding: 8rem 0 4rem;
}

.hero__bg {
    position: absolute;
    inset: 0;
    background: var(--gradient-dark);
    z-index: 0;
}

.hero__gradient {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 60% at 70% 40%, rgba(0,102,204,0.25) 0%, transparent 70%),
        radial-gradient(ellipse 60% 50% at 20% 80%, rgba(0,170,255,0.15) 0%, transparent 60%),
        radial-gradient(ellipse 40% 40% at 90% 10%, rgba(34,211,238,0.1) 0%, transparent 50%);
}

.hero__grid-lines {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 60px 60px;
}

.hero__particles {
    position: absolute;
    inset: 0;
}

.hero__container {
    position: relative;
    z-index: 1;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-px);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.25rem;
    background: rgba(255,255,255,0.08);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 500;
    color: rgba(255,255,255,0.9);
    margin-bottom: 1.5rem;
}

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

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.5); }
}

.hero__title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    color: var(--white);
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.hero__title-gradient {
    background: linear-gradient(135deg, #00AAFF 0%, #22D3EE 50%, #67E8F9 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__subtitle {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.7);
    max-width: 520px;
    margin-bottom: 2rem;
    line-height: 1.7;
}

.hero__subtitle strong {
    color: rgba(255,255,255,0.95);
    font-weight: 600;
}

.hero__actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}

/* Stats */
.hero__stats {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.hero__stat {
    text-align: left;
}

.hero__stat-number {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 800;
    color: var(--white);
    line-height: 1;
}

.hero__stat-suffix {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--cyan-400);
}

.hero__stat-label {
    display: block;
    font-size: 0.8rem;
    color: rgba(255,255,255,0.5);
    margin-top: 0.25rem;
}

.hero__stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(255,255,255,0.15);
}

/* Visual */
.hero__visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 400px;
    overflow: hidden;
}

/* ══════ ISOMETRIC 3D BUILDING ══════ */
.hero__iso-wrapper {
    perspective: 800px;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    max-width: 420px;
}

.iso-scene {
    width: 300px;
    height: 360px;
    position: relative;
    transform-style: preserve-3d;
    animation: isoRotate 20s ease-in-out infinite;
}

@keyframes isoRotate {
    0%, 100% { transform: rotateX(-20deg) rotateY(-30deg); }
    50% { transform: rotateX(-20deg) rotateY(-50deg); }
}

.iso-building {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 180px;
    height: 270px;
    transform-style: preserve-3d;
}

.iso-face {
    position: absolute;
    border: 1px solid rgba(0,170,255,0.35);
}

.iso-front {
    width: 180px;
    height: 270px;
    background: rgba(10,18,40,0.85);
    transform: translateZ(70px);
    background-image:
        repeating-linear-gradient(0deg, transparent 0, transparent 44px, rgba(0,170,255,0.12) 44px, rgba(0,170,255,0.12) 45px),
        repeating-linear-gradient(90deg, transparent 0, transparent 44px, rgba(0,170,255,0.12) 44px, rgba(0,170,255,0.12) 45px);
}

.iso-back {
    width: 180px;
    height: 270px;
    background: rgba(10,18,40,0.9);
    transform: translateZ(-70px) rotateY(180deg);
}

.iso-left {
    width: 140px;
    height: 270px;
    background: rgba(15,30,60,0.6);
    transform: rotateY(-90deg) translateZ(0px);
    left: 0;
    background-image: repeating-linear-gradient(0deg, transparent 0, transparent 44px, rgba(0,170,255,0.08) 44px, rgba(0,170,255,0.08) 45px);
}

.iso-right {
    width: 140px;
    height: 270px;
    background: rgba(15,30,60,0.4);
    transform: rotateY(90deg) translateZ(180px);
    background-image: repeating-linear-gradient(0deg, transparent 0, transparent 44px, rgba(0,170,255,0.08) 44px, rgba(0,170,255,0.08) 45px);
}

.iso-top {
    width: 180px;
    height: 140px;
    background: rgba(0,170,255,0.06);
    border: 1px solid rgba(0,170,255,0.25);
    transform: rotateX(90deg) translateZ(0px);
    top: 0;
}

/* Windows */
.iso-win {
    position: absolute;
    width: 28px;
    height: 34px;
    background: rgba(0,170,255,0.1);
    border: 1px solid rgba(0,170,255,0.3);
    box-shadow: inset 0 0 8px rgba(0,170,255,0.1);
}

.iso-win--lit {
    background: rgba(255,200,50,0.18);
    border-color: rgba(255,200,50,0.45);
    box-shadow: 0 0 14px rgba(255,200,50,0.15);
    animation: winFlicker 4s ease-in-out infinite alternate;
}

@keyframes winFlicker {
    0% { opacity: 0.6; }
    50% { opacity: 1; }
    100% { opacity: 0.7; }
}

/* HVAC Pipes */
.iso-pipe {
    position: absolute;
    background: rgba(0,170,255,0.2);
    border: 1px solid rgba(0,170,255,0.45);
    border-radius: 3px;
}

.iso-pipe::after {
    content: '';
    position: absolute;
    border-radius: 2px;
    background: var(--cyan-400);
    filter: blur(2px);
}

.iso-pipe--h {
    height: 6px;
}

.iso-pipe--h::after {
    width: 14px;
    height: 4px;
    top: 0;
    animation: pipeH 2s ease-in-out infinite;
}

@keyframes pipeH {
    0% { left: -14px; }
    100% { left: calc(100% + 14px); }
}

.iso-pipe--v {
    width: 6px;
}

.iso-pipe--v::after {
    width: 4px;
    height: 14px;
    left: 0;
    animation: pipeV 2.5s ease-in-out infinite;
}

@keyframes pipeV {
    0% { top: -14px; }
    100% { top: calc(100% + 14px); }
}

/* Electrical Wires */
.iso-wire {
    position: absolute;
    height: 2px;
    background: repeating-linear-gradient(90deg, #ff6b35 0, #ff6b35 6px, transparent 6px, transparent 12px);
    animation: wireGlow 1.5s ease-in-out infinite alternate;
}

@keyframes wireGlow {
    0% { opacity: 0.5; filter: drop-shadow(0 0 2px rgba(255,107,53,0.3)); }
    100% { opacity: 1; filter: drop-shadow(0 0 6px rgba(255,107,53,0.6)); }
}

/* CCTV Nodes */
.iso-cam {
    position: absolute;
    width: 10px;
    height: 10px;
    background: #ff3333;
    border-radius: 50%;
    box-shadow: 0 0 8px rgba(255,51,51,0.6);
    animation: camPulse 2s ease-in-out infinite;
}

.iso-cam::after {
    content: '';
    position: absolute;
    inset: -6px;
    border: 1px solid rgba(255,51,51,0.3);
    border-radius: 50%;
    animation: camRing 2s ease-out infinite;
}

@keyframes camPulse {
    0%, 100% { opacity: 0.7; }
    50% { opacity: 1; }
}

@keyframes camRing {
    0% { transform: scale(1); opacity: 0.5; }
    100% { transform: scale(2); opacity: 0; }
}

/* Glow behind building */
.hero__glow {
    position: absolute;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(0,170,255,0.2) 0%, transparent 70%);
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: -1;
    filter: blur(40px);
    animation: glowPulse 4s ease-in-out infinite;
}

@keyframes glowPulse {
    0%, 100% { opacity: 0.5; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 1; transform: translate(-50%, -50%) scale(1.2); }
}

/* Scroll indicator */
.hero__scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    z-index: 1;
}

.hero__scroll span {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: rgba(255,255,255,0.4);
}

.hero__scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, rgba(255,255,255,0.5), transparent);
    animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
    0% { transform: scaleY(0); transform-origin: top; }
    50% { transform: scaleY(1); transform-origin: top; }
    50.01% { transform-origin: bottom; }
    100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ══════════════════════════════════════════
   SECTION HEADERS
   ══════════════════════════════════════════ */
.section-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 4rem;
}

.section-header__label {
    display: inline-block;
    padding: 0.35rem 1rem;
    background: var(--blue-50);
    color: var(--blue-600);
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 1rem;
}

.section-header__title {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    font-weight: 800;
    color: var(--gray-900);
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
}

.section-header__desc {
    font-size: 1.05rem;
    color: var(--gray-500);
    max-width: 560px;
    margin: 0 auto;
}

/* ══════════════════════════════════════════
   SERVICES
   ══════════════════════════════════════════ */
.services {
    padding: var(--section-py) 0;
    background: var(--gray-50);
    position: relative;
}

.services::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--gray-200), transparent);
}

.service-block {
    margin-bottom: 4rem;
}

.service-block:last-child {
    margin-bottom: 0;
}

.service-block__header {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--gray-200);
}

.service-block__icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    color: var(--white);
    flex-shrink: 0;
}

.service-block__icon .icon {
    width: 1.5rem;
    height: 1.5rem;
}

.service-block__icon--hvac { background: linear-gradient(135deg, #0066CC, #00AAFF); }
.service-block__icon--elec { background: linear-gradient(135deg, #F59E0B, #FBBF24); }
.service-block__icon--cctv { background: linear-gradient(135deg, #6366F1, #818CF8); }

.service-block__title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
}

.service-block__subtitle {
    font-size: 0.9rem;
    color: var(--gray-500);
}

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

/* Service Cards */
.service-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 2rem;
    border: 1px solid var(--gray-200);
    transition: all var(--transition);
    position: relative;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--blue-200);
}

.service-card--featured {
    background: linear-gradient(135deg, var(--blue-500), var(--blue-600));
    border-color: transparent;
    color: var(--white);
}

.service-card--featured:hover {
    border-color: transparent;
    box-shadow: 0 20px 40px rgba(0,102,204,0.3);
}

.service-card__icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--blue-50);
    color: var(--blue-500);
    border-radius: var(--radius-md);
    margin-bottom: 1.25rem;
}

.service-card__icon .icon {
    width: 1.1rem;
    height: 1.1rem;
}

.service-card--featured .service-card__icon {
    background: rgba(255,255,255,0.15);
    color: var(--white);
}

.service-card__title {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 1rem;
}

.service-card--featured .service-card__title {
    color: var(--white);
}

.service-card__list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.service-card__list li {
    position: relative;
    padding-left: 1.25rem;
    font-size: 0.88rem;
    color: var(--gray-600);
    line-height: 1.5;
}

.service-card--featured .service-card__list li {
    color: rgba(255,255,255,0.85);
}

.service-card__list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.55rem;
    width: 6px;
    height: 6px;
    background: var(--blue-400);
    border-radius: 50%;
}

.service-card--featured .service-card__list li::before {
    background: rgba(255,255,255,0.6);
}

.badge {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    background: rgba(255,255,255,0.2);
    border-radius: var(--radius-full);
    font-size: 0.7rem;
    font-weight: 600;
    vertical-align: middle;
}

/* ══════════════════════════════════════════
   PROJECTS
   ══════════════════════════════════════════ */
.projects {
    padding: var(--section-py) 0;
    background: var(--white);
}

.projects__filter {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.projects__filter-btn {
    padding: 0.5rem 1.5rem;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--gray-500);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-full);
    background: var(--white);
    transition: all var(--transition);
}

.projects__filter-btn:hover,
.projects__filter-btn.active {
    background: var(--blue-500);
    color: var(--white);
    border-color: var(--blue-500);
}

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

.project-card {
    border-radius: var(--radius-xl);
    overflow: hidden;
    background: var(--gray-900);
    border: 1px solid rgba(255,255,255,0.05);
    transition: all var(--transition);
    cursor: pointer;
    position: relative;
}

.project-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.project-card--large {
    grid-column: span 2;
}

.project-card__image {
    position: relative;
    aspect-ratio: 16/10;
    overflow: hidden;
}


.project-card__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s var(--ease-out-expo);
}

.project-card:hover .project-card__img {
    transform: scale(1.05);
}

.project-card__overlay {
    position: absolute;
    top: 1rem;
    left: 1rem;
    z-index: 1;
}

.project-card__tag {
    padding: 0.35rem 0.75rem;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: var(--white);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-full);
}

.project-card__info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 3rem 1.5rem 1.5rem;
    background: linear-gradient(0deg, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.5) 50%, transparent 100%);
    z-index: 1;
}

.project-card__title {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 0.35rem;
}

.project-card__desc {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.75);
    line-height: 1.5;
}

.project-card.hidden {
    display: none;
}

/* ══════════════════════════════════════════
   ABOUT
   ══════════════════════════════════════════ */
.about {
    padding: var(--section-py) 0;
    background: var(--gray-50);
    position: relative;
    overflow: hidden;
}

.about::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-mesh);
    pointer-events: none;
}

.about__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
    position: relative;
}

.about__title {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 3.5vw, 2.5rem);
    font-weight: 800;
    color: var(--gray-900);
    line-height: 1.2;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.about__text {
    color: var(--gray-600);
    margin-bottom: 1.25rem;
    font-size: 1rem;
}

.about__certifications {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 2rem;
}

.about__cert {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.25rem;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--gray-700);
}

.about__cert .icon {
    color: var(--blue-500);
    width: 1.1rem;
    height: 1.1rem;
}

/* Feature cards */
.about__features {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.feature-card {
    display: flex;
    align-items: flex-start;
    gap: 1.25rem;
    padding: 1.5rem;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-xl);
    transition: all var(--transition);
}

.feature-card:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--blue-200);
}

.feature-card__number {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    min-width: 50px;
}

.feature-card__content h4 {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.35rem;
}

.feature-card__content p {
    font-size: 0.88rem;
    color: var(--gray-500);
    line-height: 1.5;
}

/* ══════════════════════════════════════════
   PROCESS
   ══════════════════════════════════════════ */
.process {
    padding: var(--section-py) 0;
    background: var(--gray-900);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.process::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 30% 50%, rgba(0,102,204,0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 50%, rgba(0,170,255,0.1) 0%, transparent 50%);
}

.process .section-header__label {
    background: rgba(255,255,255,0.1);
    color: var(--cyan-400);
}

.process .section-header__title {
    color: var(--white);
}

.process__timeline {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 0;
    position: relative;
}

.process__step {
    flex: 1;
    max-width: 240px;
    text-align: center;
    position: relative;
    padding: 0 1rem;
}

.process__step-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: var(--radius-xl);
    color: var(--cyan-400);
    position: relative;
    transition: all var(--transition);
}

.process__step-icon .icon {
    width: 1.5rem;
    height: 1.5rem;
}

.process__step:hover .process__step-icon {
    background: rgba(0,170,255,0.15);
    border-color: var(--cyan-400);
    transform: translateY(-4px);
}

.process__step-num {
    position: absolute;
    top: -8px;
    right: -8px;
    width: 24px;
    height: 24px;
    background: var(--gradient-primary);
    border-radius: 50%;
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
}

.process__step h4 {
    font-family: var(--font-display);
    font-weight: 700;
    color: var(--white);
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

.process__step p {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.5);
    line-height: 1.5;
}

.process__connector {
    flex: 0 0 60px;
    height: 2px;
    background: linear-gradient(90deg, rgba(255,255,255,0.1), rgba(255,255,255,0.2), rgba(255,255,255,0.1));
    margin-top: 36px;
    border-radius: var(--radius-full);
}

/* ══════════════════════════════════════════
   TESTIMONIALS
   ══════════════════════════════════════════ */
.testimonials {
    padding: var(--section-py) 0;
    background: var(--white);
}

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

.testimonial-card {
    padding: 2rem;
    background: var(--gray-50);
    border: 1px solid var(--gray-100);
    border-radius: var(--radius-xl);
    transition: all var(--transition);
}

.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--blue-100);
}

.testimonial-card__stars {
    display: flex;
    gap: 0.25rem;
    margin-bottom: 1.25rem;
}

.testimonial-card__stars .icon {
    color: #F59E0B;
    width: 0.85rem;
    height: 0.85rem;
}

.testimonial-card__text {
    font-size: 0.95rem;
    color: var(--gray-600);
    line-height: 1.7;
    margin-bottom: 1.5rem;
    font-style: italic;
}

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

.testimonial-card__avatar {
    width: 44px;
    height: 44px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 700;
    font-size: 0.85rem;
    flex-shrink: 0;
}

.testimonial-card__author strong {
    display: block;
    font-size: 0.9rem;
    color: var(--gray-900);
}

.testimonial-card__author span {
    font-size: 0.8rem;
    color: var(--gray-400);
}

/* ══════════════════════════════════════════
   CTA BANNER
   ══════════════════════════════════════════ */
.cta-banner {
    padding: 5rem 0;
    background: var(--gradient-primary);
    position: relative;
    overflow: hidden;
}

.cta-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(255,255,255,0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(255,255,255,0.05) 0%, transparent 50%);
}

.cta-banner__content {
    text-align: center;
    position: relative;
    max-width: 700px;
    margin: 0 auto;
}

.cta-banner__title {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 3.5vw, 2.5rem);
    font-weight: 800;
    color: var(--white);
    margin-bottom: 1rem;
}

.cta-banner__text {
    color: rgba(255,255,255,0.8);
    font-size: 1.05rem;
    margin-bottom: 2rem;
}

.cta-banner__actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

/* ══════════════════════════════════════════
   CONTACT
   ══════════════════════════════════════════ */
.contact {
    padding: var(--section-py) 0;
    background: var(--gray-50);
}

.contact__grid {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 4rem;
    align-items: start;
}

.contact__title {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 3.5vw, 2.25rem);
    font-weight: 800;
    color: var(--gray-900);
    line-height: 1.2;
    margin-bottom: 1rem;
}

.contact__text {
    color: var(--gray-500);
    margin-bottom: 2rem;
    font-size: 1rem;
}

.contact__details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

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

.contact__detail-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--blue-50);
    color: var(--blue-500);
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

.contact__detail-icon .icon {
    width: 1.1rem;
    height: 1.1rem;
}

.contact__detail strong {
    display: block;
    font-size: 0.85rem;
    color: var(--gray-900);
    margin-bottom: 0.15rem;
}

.contact__detail span,
.contact__detail a {
    font-size: 0.9rem;
    color: var(--gray-500);
    display: block;
}

.contact__detail a:hover {
    color: var(--blue-500);
}

/* Form */
.contact__form-wrapper {
    background: var(--white);
    border-radius: var(--radius-2xl);
    padding: 2.5rem;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--gray-100);
}

.contact__form-title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

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

.form-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 0.4rem;
}

.form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1.5px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    color: var(--gray-800);
    background: var(--gray-50);
    transition: all var(--transition);
    outline: none;
}

.form-input:focus {
    border-color: var(--blue-400);
    background: var(--white);
    box-shadow: 0 0 0 4px rgba(0,102,204,0.08);
}

.form-input::placeholder {
    color: var(--gray-400);
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394A3B8' d='M6 8.825L.587 3.412 1.413 2.588 6 7.175 10.587 2.588 11.413 3.412z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

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

.contact__form-note {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1rem;
    font-size: 0.8rem;
    color: var(--gray-400);
}

.contact__form-note .icon {
    width: 0.7rem;
    height: 0.7rem;
}

/* ══════════════════════════════════════════
   FOOTER
   ══════════════════════════════════════════ */
.footer {
    background: var(--gray-950);
    padding: 4rem 0 0;
    color: rgba(255,255,255,0.6);
}

.footer__grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
    gap: 2rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer__logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 1rem;
}



.footer__logo .header__brand {
    color: var(--white);
}

.footer__logo .header__tagline {
    color: rgba(255,255,255,0.5);
}

.footer__desc {
    font-size: 0.88rem;
    line-height: 1.6;
    color: rgba(255,255,255,0.5);
}

.footer__links h4 {
    font-family: var(--font-display);
    font-weight: 700;
    color: var(--white);
    font-size: 0.95rem;
    margin-bottom: 1.25rem;
}

.footer__links ul {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.footer__links li a,
.footer__links li span {
    font-size: 0.88rem;
    color: rgba(255,255,255,0.5);
    transition: color var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer__links li a:hover {
    color: var(--white);
}

.footer__links li .icon {
    width: 0.75rem;
    height: 0.75rem;
    min-width: 14px;
}

.footer__bottom {
    padding: 1.5rem 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
    color: rgba(255,255,255,0.3);
}

/* ══════════════════════════════════════════
   WHATSAPP FLOAT
   ══════════════════════════════════════════ */
.whatsapp-float {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 56px;
    height: 56px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    z-index: 999;
    box-shadow: 0 4px 15px rgba(37,211,102,0.4);
    transition: all var(--transition);
    animation: whatsappBounce 2s infinite;
}

.whatsapp-float .icon {
    width: 1.5rem;
    height: 1.5rem;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 25px rgba(37,211,102,0.5);
}

.whatsapp-float__tooltip {
    position: absolute;
    right: calc(100% + 10px);
    background: var(--white);
    color: var(--gray-700);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 500;
    white-space: nowrap;
    box-shadow: var(--shadow-md);
    opacity: 0;
    pointer-events: none;
    transform: translateX(10px);
    transition: all var(--transition);
}

.whatsapp-float:hover .whatsapp-float__tooltip {
    opacity: 1;
    transform: translateX(0);
}

@keyframes whatsappBounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-4px); }
}

/* ══════════════════════════════════════════
   BACK TO TOP
   ══════════════════════════════════════════ */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 6rem;
    width: 44px;
    height: 44px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-600);
    z-index: 999;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition);
}

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

.back-to-top:hover {
    background: var(--blue-500);
    color: var(--white);
    border-color: var(--blue-500);
}

/* ══════════════════════════════════════════
   ANIMATIONS
   ══════════════════════════════════════════ */
[data-animate] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s var(--ease-out-expo), transform 0.8s var(--ease-out-expo);
}

[data-animate="fade-left"] {
    transform: translateX(40px);
}

[data-animate="fade-right"] {
    transform: translateX(-40px);
}

[data-animate].animated {
    opacity: 1;
    transform: translate(0);
}

/* ══════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════ */
@media (max-width: 1024px) {
    .hero__container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero__subtitle {
        margin-left: auto;
        margin-right: auto;
    }

    .hero__actions {
        justify-content: center;
    }

    .hero__stats {
        justify-content: center;
    }

    .hero__visual {
        min-height: 280px;
    }

    .iso-scene {
        width: 200px;
        height: 240px;
    }

    .iso-building {
        width: 120px;
        height: 180px;
    }

    .iso-front, .iso-back {
        width: 120px !important;
        height: 180px !important;
    }

    .iso-left, .iso-right {
        width: 90px !important;
        height: 180px !important;
    }

    .iso-top {
        width: 120px !important;
        height: 90px !important;
    }

    .iso-right {
        transform: rotateY(90deg) translateZ(120px) !important;
    }

    .iso-front {
        transform: translateZ(45px) !important;
    }

    .iso-back {
        transform: translateZ(-45px) rotateY(180deg) !important;
    }

    .service-block__grid {
        grid-template-columns: 1fr;
    }

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

    .project-card--large {
        grid-column: span 2;
    }

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

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

    .process__timeline {
        flex-direction: column;
        align-items: center;
    }

    .process__connector {
        width: 2px;
        height: 40px;
        flex: 0 0 40px;
        margin: 0;
        background: linear-gradient(180deg, rgba(255,255,255,0.1), rgba(255,255,255,0.2), rgba(255,255,255,0.1));
    }

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

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

@media (max-width: 768px) {
    .header__nav {
        display: none;
    }

    .header__phone span {
        display: none;
    }

    .header__cta {
        display: none;
    }

    .header__toggle {
        display: flex;
    }

    .hero {
        min-height: auto;
        padding: 8rem 0 4rem;
    }

    .hero__title {
        font-size: clamp(2rem, 7vw, 3rem);
    }

    .hero__stats {
        flex-direction: column;
        gap: 1.5rem;
        align-items: center;
    }

    .hero__stat {
        text-align: center;
    }

    .hero__stat-divider {
        width: 40px;
        height: 1px;
    }

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

    .project-card--large {
        grid-column: span 1;
    }

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

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

    .footer__bottom {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
    }

    .contact__form-wrapper {
        padding: 1.5rem;
    }

    .whatsapp-float {
        bottom: 1.5rem;
        right: 1.5rem;
    }

    .back-to-top {
        right: 5rem;
        bottom: 1.5rem;
    }
}

@media (max-width: 480px) {
    .service-block__header {
        flex-direction: column;
        align-items: flex-start;
        text-align: left;
    }
}

/* ══════════════════════════════════════════
   MOBILE BOTTOM BAR
   ══════════════════════════════════════════ */
.mobile-bottom-bar {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 9999;
    height: 56px;
    box-shadow: 0 -2px 10px rgba(0,0,0,0.15);
}

.mobile-bottom-bar a {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    flex: 1;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.85rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
}

.mobile-bottom-bar a .icon {
    width: 20px;
    height: 20px;
}

.mobile-bottom-bar__wa {
    background: #25d366;
    color: #fff;
}

.mobile-bottom-bar__mail {
    background: #f0f0f0;
    color: #1a1a2e;
    border-top: 1px solid #ddd;
}

@media (max-width: 768px) {
    .mobile-bottom-bar {
        display: flex;
    }
    .whatsapp-float {
        display: none !important;
    }
    body {
        padding-bottom: 56px;
    }
}

/* ══════════════════════════════════════════
   PRINT STYLES
   ══════════════════════════════════════════ */
@media print {
    .header,
    .hero__bg,
    .whatsapp-float,
    .back-to-top {
        display: none !important;
    }

    body {
        color: #000;
        background: #fff;
    }

    .hero {
        min-height: auto;
        padding: 2rem 0;
    }
}