/* ============================================
   SEHİM ENERJİ - Modern Website Styles
   ============================================ */

/* === Variables === */
:root {
    --primary: #f59e0b;
    --primary-dark: #d97706;
    --primary-light: #fbbf24;
    --secondary: #1e3a5f;
    --secondary-dark: #0f2440;
    --dark: #0a0a0a;
    --dark-2: #141414;
    --dark-3: #1a1a1a;
    --gray-900: #1f1f1f;
    --gray-800: #2a2a2a;
    --gray-700: #3a3a3a;
    --gray-600: #555;
    --gray-400: #999;
    --gray-300: #bbb;
    --gray-100: #eee;
    --white: #ffffff;
    --font-main: 'Plus Jakarta Sans', 'Inter', sans-serif;
    --radius: 16px;
    --radius-sm: 10px;
    --radius-xs: 6px;
    --shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.4);
    --transition: all 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;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-main);
    background: var(--dark);
    color: var(--gray-300);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

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

ul {
    list-style: none;
}

.container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 100px 0;
    position: relative;
}

/* === Section Headers === */
.section-tag {
    display: inline-block;
    background: rgba(245, 158, 11, 0.1);
    color: var(--primary);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    margin-bottom: 16px;
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 800;
    color: var(--white);
    line-height: 1.2;
    margin-bottom: 16px;
}

.section-title .highlight {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 60px;
}

.section-desc {
    font-size: 1.05rem;
    color: var(--gray-400);
}

/* ========================================
   NAVBAR
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(10, 10, 10, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 10px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.navbar-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    position: relative;
}

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

.logo-img {
    height: 80px;
    width: auto;
    transition: var(--transition);
}

.footer .logo-img {
    height: 90px;
}

.logo:hover .logo-img {
    transform: scale(1.05);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}


.nav-links a {
    padding: 8px 12px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--gray-300);
    border-radius: var(--radius-xs);
    position: relative;
    white-space: nowrap;
}

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


/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.hamburger span {
    width: 24px;
    height: 2px;
    background: var(--white);
    border-radius: 2px;
    transition: var(--transition);
}

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

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

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

/* ========================================
   HERO
   ======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: var(--dark);
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(245, 158, 11, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(30, 58, 95, 0.3) 0%, transparent 50%),
        radial-gradient(ellipse at 60% 80%, rgba(245, 158, 11, 0.05) 0%, transparent 40%),
        linear-gradient(135deg, var(--dark) 0%, var(--secondary-dark) 50%, var(--dark) 100%);
    z-index: 1;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -30%;
    width: 800px;
    height: 800px;
    border-radius: 50%;
    border: 1px solid rgba(245, 158, 11, 0.06);
    z-index: 1;
    animation: hero-circle 20s linear infinite;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -20%;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    border: 1px solid rgba(245, 158, 11, 0.04);
    z-index: 1;
    animation: hero-circle 25s linear infinite reverse;
}

@keyframes hero-circle {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.hero-particles {
    position: absolute;
    inset: 0;
    z-index: 2;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    padding: 120px 0 80px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.25);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.85rem;
    color: var(--primary);
    margin-bottom: 28px;
    backdrop-filter: blur(10px);
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4.2rem);
    font-weight: 900;
    color: var(--white);
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -1px;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary), var(--primary-light), #fcd34d);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    font-size: 1.1rem;
    color: var(--gray-400);
    max-width: 600px;
    margin: 0 auto 36px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 56px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 30px;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-weight: 600;
    font-family: var(--font-main);
    cursor: pointer;
    border: none;
    transition: var(--transition);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--dark);
    box-shadow: 0 4px 25px rgba(245, 158, 11, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 35px rgba(245, 158, 11, 0.45);
}

.btn-outline {
    background: rgba(255, 255, 255, 0.06);
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-3px);
}

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

/* Hero Stats */
.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--white);
    display: inline;
}

.stat-plus {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
}

.stat-label {
    display: block;
    font-size: 0.85rem;
    color: var(--gray-400);
    margin-top: 4px;
}

.stat-divider {
    width: 1px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
}

/* Scroll indicator */
.hero-scroll {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
}

.mouse {
    width: 26px;
    height: 42px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 14px;
    display: flex;
    justify-content: center;
    padding-top: 8px;
}

.wheel {
    width: 3px;
    height: 8px;
    background: var(--primary);
    border-radius: 3px;
    animation: scroll-wheel 2s ease-in-out infinite;
}

@keyframes scroll-wheel {
    0% { opacity: 1; transform: translateY(0); }
    100% { opacity: 0; transform: translateY(12px); }
}

/* ========================================
   ABOUT
   ======================================== */
.about {
    background: var(--dark-2);
}

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

.about-images {
    position: relative;
}

.about-img-main {
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-img-main img {
    width: 100%;
    height: 450px;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.about-img-main:hover img {
    transform: scale(1.05);
}

.about-img-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
}

.experience-badge {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--dark);
    padding: 24px;
    border-radius: var(--radius);
    text-align: center;
    box-shadow: 0 10px 40px rgba(245, 158, 11, 0.3);
}

.exp-number {
    font-size: 2.5rem;
    font-weight: 900;
    display: block;
    line-height: 1;
}

.exp-text {
    font-size: 0.8rem;
    font-weight: 600;
    line-height: 1.3;
}

.about-text {
    font-size: 1rem;
    color: var(--gray-400);
    margin-bottom: 32px;
    line-height: 1.8;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 16px;
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    transition: var(--transition);
}

.feature-item:hover {
    background: rgba(245, 158, 11, 0.05);
    border-color: rgba(245, 158, 11, 0.15);
    transform: translateX(8px);
}

.feature-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    background: rgba(245, 158, 11, 0.1);
    border-radius: var(--radius-xs);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.2rem;
}

.feature-item h4 {
    color: var(--white);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.feature-item p {
    font-size: 0.85rem;
    color: var(--gray-400);
}

/* ========================================
   SERVICES
   ======================================== */
.services {
    background: var(--dark);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.service-card {
    background: var(--dark-2);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius);
    padding: 36px 28px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: rgba(245, 158, 11, 0.2);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon {
    width: 60px;
    height: 60px;
    background: rgba(245, 158, 11, 0.1);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: 20px;
    transition: var(--transition);
}

.service-card:hover .service-icon {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--dark);
    transform: scale(1.1);
}

.service-card h3 {
    color: var(--white);
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.service-card p {
    font-size: 0.9rem;
    color: var(--gray-400);
    line-height: 1.7;
}

.service-line {
    width: 40px;
    height: 2px;
    background: var(--gray-700);
    margin-top: 20px;
    transition: var(--transition);
}

.service-card:hover .service-line {
    width: 60px;
    background: var(--primary);
}

/* ========================================
   PROJECTS
   ======================================== */
.projects {
    background: var(--dark-2);
}

.project-filters {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 8px 22px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50px;
    background: transparent;
    color: var(--gray-400);
    font-family: var(--font-main);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary);
    color: var(--dark);
    border-color: var(--primary);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.project-card {
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--dark-3);
    border: 1px solid rgba(255, 255, 255, 0.06);
    transition: var(--transition);
}

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

.project-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(245, 158, 11, 0.15);
}

.project-image {
    position: relative;
    overflow: hidden;
    height: 240px;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.project-card:hover .project-image img {
    transform: scale(1.1);
}

.project-overlay {
    position: absolute;
    inset: 0;
    background: rgba(10, 10, 10, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-zoom {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--primary);
    border: none;
    color: var(--dark);
    font-size: 1.1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transform: scale(0);
    transition: transform 0.3s ease 0.1s;
}

.project-card:hover .project-zoom {
    transform: scale(1);
}

.project-zoom:hover {
    background: var(--primary-light);
}

.project-info {
    padding: 20px;
}

.project-tag {
    display: inline-block;
    background: rgba(245, 158, 11, 0.1);
    color: var(--primary);
    padding: 3px 12px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.project-info h3 {
    color: var(--white);
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 6px;
    line-height: 1.4;
}

.project-info p {
    color: var(--gray-400);
    font-size: 0.85rem;
}

/* ========================================
   LIGHTBOX
   ======================================== */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(0, 0, 0, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.lightbox.active {
    opacity: 1;
    visibility: visible;
}

.lightbox-content {
    max-width: 90vw;
    max-height: 85vh;
}

.lightbox-content img {
    max-width: 100%;
    max-height: 85vh;
    object-fit: contain;
    border-radius: var(--radius-sm);
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
    position: absolute;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: var(--white);
    cursor: pointer;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover {
    background: var(--primary);
    color: var(--dark);
}

.lightbox-close {
    top: 20px;
    right: 20px;
}

.lightbox-prev {
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
}

.lightbox-next {
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
}

.lightbox-counter {
    position: absolute;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--gray-400);
    font-size: 0.9rem;
}

/* ========================================
   REFERENCES
   ======================================== */
.references {
    background: var(--dark);
}

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

.ref-card {
    background: var(--dark-2);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius);
    padding: 30px 24px;
    text-align: center;
    transition: var(--transition);
}

.ref-card:hover {
    transform: translateY(-6px);
    border-color: rgba(245, 158, 11, 0.2);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.ref-logo {
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    padding: 8px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.ref-logo img {
    max-height: 54px;
    max-width: 100%;
    object-fit: contain;
    transition: var(--transition);
}

.ref-card:hover .ref-logo {
    background: var(--white);
    transform: scale(1.05);
}

.ref-icon {
    width: 56px;
    height: 56px;
    background: rgba(245, 158, 11, 0.08);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: var(--primary);
    margin: 0 auto 16px;
    transition: var(--transition);
}

.ref-card:hover .ref-icon {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--dark);
    transform: scale(1.1);
}

.ref-card h4 {
    color: var(--white);
    font-size: 0.95rem;
    font-weight: 600;
}

/* ========================================
   CONTACT
   ======================================== */
.contact {
    background: var(--dark-2);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-desc {
    color: var(--gray-400);
    margin-bottom: 32px;
    font-size: 1rem;
    line-height: 1.8;
}

.contact-items {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 16px;
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    transition: var(--transition);
}

.contact-item:hover {
    background: rgba(245, 158, 11, 0.05);
    border-color: rgba(245, 158, 11, 0.15);
}

.contact-icon {
    width: 44px;
    height: 44px;
    min-width: 44px;
    background: rgba(245, 158, 11, 0.1);
    border-radius: var(--radius-xs);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1rem;
}

.contact-item h4 {
    color: var(--white);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.contact-item p {
    color: var(--gray-400);
    font-size: 0.85rem;
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--dark-3);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius);
    padding: 40px;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-group {
    position: relative;
}

.form-group i {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-600);
    font-size: 0.9rem;
    transition: var(--transition);
    pointer-events: none;
}

.form-group:has(textarea) i {
    top: 20px;
    transform: none;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 16px 14px 44px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-sm);
    color: var(--white);
    font-family: var(--font-main);
    font-size: 0.9rem;
    transition: var(--transition);
    outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--gray-600);
}

.form-group select {
    appearance: none;
    cursor: pointer;
}

.form-group select option {
    background: var(--dark-2);
    color: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary);
    background: rgba(245, 158, 11, 0.04);
}

.form-group:focus-within i {
    color: var(--primary);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
    background: var(--dark);
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding: 60px 0 0;
}

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

.footer-brand p {
    color: var(--gray-400);
    font-size: 0.9rem;
    margin-top: 16px;
    line-height: 1.7;
}

.footer-links h4,
.footer-contact h4 {
    color: var(--white);
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    color: var(--gray-400);
    font-size: 0.9rem;
}

.footer-links a:hover {
    color: var(--primary);
    padding-left: 6px;
}

.footer-contact p {
    color: var(--gray-400);
    font-size: 0.85rem;
    margin-bottom: 10px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.footer-contact i {
    color: var(--primary);
    margin-top: 3px;
    min-width: 16px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding: 20px 0;
    text-align: center;
}

.footer-bottom p {
    color: var(--gray-600);
    font-size: 0.85rem;
}

/* ========================================
   WHATSAPP FLOAT
   ======================================== */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 56px;
    height: 56px;
    background: #25d366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    color: var(--white);
    z-index: 999;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    transition: var(--transition);
    animation: whatsapp-pulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.5);
}

@keyframes whatsapp-pulse {
    0%, 100% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4); }
    50% { box-shadow: 0 4px 30px rgba(37, 211, 102, 0.6), 0 0 0 10px rgba(37, 211, 102, 0.1); }
}

/* ========================================
   ANIMATIONS
   ======================================== */
[data-animate] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

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

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

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

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

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

@media (max-width: 768px) {
    .section {
        padding: 70px 0;
    }

    .hamburger {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--dark-2);
        flex-direction: column;
        padding: 80px 24px 24px;
        gap: 4px;
        transition: right 0.3s ease;
        border-left: 1px solid rgba(255, 255, 255, 0.06);
        left: auto;
        transform: none;
    }

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

    .nav-links a {
        width: 100%;
        padding: 12px 16px;
        font-size: 1rem;
    }

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

    .about-img-badge {
        bottom: 10px;
        right: 10px;
    }

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

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

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

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

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .hero-stats {
        gap: 24px;
    }

    .stat-divider {
        display: none;
    }

    .hero h1 {
        font-size: 2.2rem;
    }

    .contact-form-wrapper {
        padding: 24px;
    }
}

@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

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

    .hero-stats {
        flex-direction: column;
        gap: 16px;
    }

    .project-filters {
        gap: 6px;
    }

    .filter-btn {
        padding: 6px 16px;
        font-size: 0.8rem;
    }
}