/* ═══════════════════════════════════════════════════════════ */
/* Portfolio SISR — Main Stylesheet v2.0                     */
/* Thème : Blanc & Bleu, Glassmorphism, Animations avancées  */
/* ═══════════════════════════════════════════════════════════ */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
    --primary: #2563EB;
    --primary-dark: #1D4ED8;
    --primary-light: #DBEAFE;
    --primary-lighter: #EFF6FF;
    --primary-glow: rgba(37,99,235,0.15);
    --accent: #06B6D4;
    --accent-light: #CFFAFE;
    --bg: #FFFFFF;
    --bg-alt: #F8FAFC;
    --bg-card: #FFFFFF;
    --bg-glass: rgba(255,255,255,0.7);
    --text: #0F172A;
    --text-secondary: #475569;
    --text-muted: #94A3B8;
    --border: #E2E8F0;
    --border-light: #F1F5F9;
    --success: #059669; --success-bg: #ECFDF5;
    --error: #DC2626; --error-bg: #FEF2F2;
    --warning: #D97706; --warning-bg: #FFFBEB;
    --info: #2563EB; --info-bg: #EFF6FF;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.04), 0 1px 3px rgba(0,0,0,0.06);
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
    --shadow-md: 0 8px 25px -5px rgba(0,0,0,0.08);
    --shadow-lg: 0 20px 50px -12px rgba(0,0,0,0.12);
    --shadow-glow: 0 0 30px rgba(37,99,235,0.12), 0 0 60px rgba(37,99,235,0.06);
    --shadow-hover: 0 20px 40px -15px rgba(37,99,235,0.2), 0 0 20px rgba(37,99,235,0.08);
    --radius: 16px; --radius-sm: 10px; --radius-lg: 20px; --radius-xl: 24px; --radius-full: 9999px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
    --transition-spring: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    --font: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --nav-height: 72px;
    --gradient-primary: linear-gradient(135deg, #2563EB 0%, #06B6D4 100%);
    --gradient-hero: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 30%, #CFFAFE 60%, #EFF6FF 100%);
    --gradient-card: linear-gradient(135deg, rgba(37,99,235,0.03) 0%, rgba(6,182,212,0.03) 100%);
}

/* ─── RESET ─── */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:var(--nav-height)}
body{font-family:var(--font);font-size:16px;line-height:1.65;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--primary);text-decoration:none;transition:color var(--transition)}
a:hover{color:var(--primary-dark)}
ul{list-style:none}
::selection{background:var(--primary);color:#fff}
::-webkit-scrollbar{width:8px}
::-webkit-scrollbar-track{background:var(--bg-alt)}
::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}
::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}

/* ─── LAYOUT ─── */
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.page-content{margin-top:var(--nav-height);min-height:calc(100vh - var(--nav-height) - 80px)}

/* ─── NAVBAR ─── */
.navbar{position:fixed;top:0;left:0;right:0;z-index:1000;background:var(--bg-glass);backdrop-filter:blur(20px) saturate(180%);-webkit-backdrop-filter:blur(20px) saturate(180%);border-bottom:1px solid rgba(226,232,240,0.6);height:var(--nav-height);transition:all var(--transition)}
.navbar.scrolled{box-shadow:0 4px 30px rgba(0,0,0,0.06);border-bottom-color:transparent}
.navbar>.container{display:flex;align-items:center;justify-content:space-between;height:100%}
.nav-brand{display:flex;align-items:center;gap:10px;font-size:1.1rem;color:var(--text);font-weight:700;letter-spacing:-0.02em}
.nav-brand i{font-size:1.3rem;color:#fff;padding:7px;border-radius:10px;background:var(--gradient-primary);box-shadow:0 2px 8px rgba(37,99,235,0.3)}
.nav-links{display:flex;align-items:center;gap:2px}
.nav-links li a{padding:8px 16px;border-radius:var(--radius-full);font-size:0.88rem;font-weight:500;color:var(--text-secondary);transition:all var(--transition);display:block}
.nav-links li a:hover{background:var(--primary-light);color:var(--primary)}
.nav-links li a.active{background:var(--primary);color:#fff;box-shadow:0 2px 8px rgba(37,99,235,0.3)}
.nav-actions{display:flex;align-items:center;gap:10px}
.theme-toggle{background:var(--bg-alt);border:1px solid var(--border);border-radius:var(--radius-full);padding:8px 10px;cursor:pointer;font-size:1rem;transition:all var(--transition);color:var(--text-secondary);display:flex;align-items:center;gap:4px}
.theme-toggle:hover{background:var(--primary-light);color:var(--primary);border-color:var(--primary);transform:rotate(15deg)}
[data-theme="light"] .icon-sun{display:none}
[data-theme="dark"] .icon-moon{display:none}
.hamburger{display:none;background:none;border:none;cursor:pointer;width:28px;height:22px;position:relative}
.hamburger span{display:block;width:100%;height:2px;background:var(--text);border-radius:2px;transition:all var(--transition);position:absolute;left:0}
.hamburger span:nth-child(1){top:0}
.hamburger span:nth-child(2){top:50%;transform:translateY(-50%)}
.hamburger span:nth-child(3){bottom:0}
.hamburger.active span:nth-child(1){top:50%;transform:translateY(-50%) rotate(45deg)}
.hamburger.active span:nth-child(2){opacity:0;transform:translateX(10px)}
.hamburger.active span:nth-child(3){bottom:50%;transform:translateY(50%) rotate(-45deg)}
.nav-overlay{display:none;position:fixed;inset:0;background:rgba(15,23,42,0.4);backdrop-filter:blur(4px);z-index:998}
.nav-overlay.active,.nav-overlay.open{display:block;animation:fadeIn .3s ease}

/* ─── BUTTONS ─── */
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 24px;border-radius:var(--radius-sm);font-weight:600;font-size:0.88rem;border:2px solid transparent;cursor:pointer;transition:all var(--transition);font-family:var(--font);text-align:center;line-height:1.4;position:relative;overflow:hidden}
.btn::before{content:'';position:absolute;inset:0;border-radius:inherit;background:linear-gradient(135deg,rgba(255,255,255,0.2),transparent);opacity:0;transition:opacity var(--transition)}
.btn:hover::before{opacity:1}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0) scale(0.98)}
.btn-primary,.btn--primary{background:var(--gradient-primary);color:#fff;border-color:transparent;box-shadow:0 4px 15px rgba(37,99,235,0.25)}
.btn-primary:hover,.btn--primary:hover{box-shadow:0 8px 25px rgba(37,99,235,0.35);color:#fff}
.btn-outline,.btn--outline{background:transparent;color:var(--primary);border-color:var(--primary)}
.btn-outline:hover,.btn--outline:hover{background:var(--primary);color:#fff;box-shadow:0 4px 15px rgba(37,99,235,0.25)}
.btn-secondary{background:var(--primary-light);color:var(--primary);border-color:transparent}
.btn-secondary:hover{background:var(--primary);color:#fff;box-shadow:var(--shadow-hover)}
.btn-danger,.btn--danger{background:var(--error);color:#fff;border-color:var(--error)}
.btn-danger:hover,.btn--danger:hover{background:#B91C1C;box-shadow:0 4px 15px rgba(220,38,38,0.3);color:#fff}
.btn-success{background:var(--success);color:#fff;border-color:var(--success)}
.btn-lg{padding:14px 32px;font-size:0.95rem;border-radius:var(--radius)}
.btn-sm,.btn--sm{padding:7px 16px;font-size:0.8rem;border-radius:8px}
.btn-full,.btn--full{width:100%;justify-content:center}

/* ─── HERO ─── */
.hero{padding:120px 0 100px;position:relative;overflow:hidden;background:var(--gradient-hero)}
.hero::before{content:'';position:absolute;top:-200px;right:-150px;width:600px;height:600px;background:radial-gradient(circle,rgba(37,99,235,0.08) 0%,rgba(6,182,212,0.04) 50%,transparent 70%);border-radius:50%;animation:heroFloat 8s ease-in-out infinite}
.hero::after{content:'';position:absolute;bottom:-100px;left:-100px;width:400px;height:400px;background:radial-gradient(circle,rgba(6,182,212,0.06) 0%,transparent 70%);border-radius:50%;animation:heroFloat 10s ease-in-out infinite reverse}
@keyframes heroFloat{0%,100%{transform:translate(0,0) scale(1)}33%{transform:translate(30px,-20px) scale(1.05)}66%{transform:translate(-20px,15px) scale(0.95)}}
.hero .container{position:relative;z-index:1}
.hero-content{max-width:700px}
.hero-tag{display:inline-flex;align-items:center;gap:8px;background:var(--bg-glass);backdrop-filter:blur(10px);border:1px solid rgba(37,99,235,0.15);color:var(--primary);padding:8px 20px;border-radius:var(--radius-full);font-size:0.85rem;font-weight:600;margin-bottom:28px;box-shadow:var(--shadow-sm);animation:tagPulse 3s ease-in-out infinite}
@keyframes tagPulse{0%,100%{box-shadow:var(--shadow-sm)}50%{box-shadow:var(--shadow-glow)}}
.hero-content h1{font-size:clamp(2.4rem,5vw,3.6rem);font-weight:800;line-height:1.1;margin-bottom:24px;color:var(--text);letter-spacing:-0.03em}
.hero-content h1 span{background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-content>p{font-size:1.15rem;color:var(--text-secondary);margin-bottom:40px;line-height:1.75;max-width:560px}
.hero-buttons{display:flex;gap:16px;flex-wrap:wrap}

/* ─── SECTIONS ─── */
.section{padding:100px 0;position:relative}
.section-alt{background:var(--bg-alt)}
.section-title{text-align:center;margin-bottom:56px}
.section-title h2{font-size:2rem;font-weight:800;color:var(--text);margin-bottom:12px;letter-spacing:-0.03em}
.section-title p{color:var(--text-secondary);font-size:1.05rem;max-width:600px;margin:0 auto}
.page-header{padding:70px 0 50px;position:relative;overflow:hidden;background:var(--gradient-hero)}
.page-header::before{content:'';position:absolute;top:-100px;right:-50px;width:300px;height:300px;background:radial-gradient(circle,rgba(37,99,235,0.06) 0%,transparent 70%);border-radius:50%}
.page-header h1{font-size:2.4rem;font-weight:800;color:var(--text);letter-spacing:-0.03em;position:relative}
.page-header p{color:var(--text-secondary);margin-top:10px;font-size:1.05rem;position:relative}

/* ─── GRID ─── */
.grid{display:grid;gap:28px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

/* ─── CARDS ─── */
.card{background:var(--bg-card);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);border:1px solid var(--border-light);transition:all var(--transition-spring);position:relative}
.card::before{content:'';position:absolute;inset:0;border-radius:inherit;background:var(--gradient-card);opacity:0;transition:opacity var(--transition);pointer-events:none;z-index:0}
.card:hover::before{opacity:1}
.card-img{height:210px;background:var(--gradient-hero);overflow:hidden;display:flex;align-items:center;justify-content:center;position:relative}
.card-img img{width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(.16,1,.3,1)}
.card:hover .card-img img{transform:scale(1.08)}
.card-title{font-size:1.15rem;font-weight:700;margin:18px 22px 8px;color:var(--text);letter-spacing:-0.01em;position:relative}
.card-text{color:var(--text-secondary);font-size:0.9rem;margin:0 22px 14px;line-height:1.65;position:relative}
.card-actions{padding:0 22px 22px;position:relative}
.card-footer{padding:0 22px 22px;display:flex;gap:8px;align-items:center;position:relative}
.hover-lift{cursor:default}
.hover-lift:hover{transform:translateY(-8px);box-shadow:var(--shadow-hover)}

/* ─── PROJECT CARDS ─── */
.project-card{background:var(--bg-card);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);border:1px solid var(--border-light);transition:all var(--transition-spring);position:relative}
.project-card::after{content:'';position:absolute;bottom:0;left:0;right:0;height:3px;background:var(--gradient-primary);transform:scaleX(0);transform-origin:left;transition:transform .4s cubic-bezier(.16,1,.3,1)}
.project-card:hover::after{transform:scaleX(1)}
.project-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-hover)}

/* ─── PROJECT DETAIL ─── */
.project-detail{max-width:850px}
.project-detail-img{border-radius:var(--radius-lg);overflow:hidden;margin-bottom:32px;max-height:400px;background:var(--gradient-hero);box-shadow:var(--shadow-md)}
.project-detail-body{color:var(--text-secondary);line-height:1.8;margin-bottom:32px;font-size:1.05rem}
.project-detail-body h1{color:var(--text);letter-spacing:-0.02em}
.project-links{display:flex;gap:12px;flex-wrap:wrap}

/* ─── TECH BADGES ─── */
.tech-tags{display:flex;flex-wrap:wrap;gap:6px;padding:0 22px;position:relative}
.tech-tag{display:inline-block;background:var(--primary-light);color:var(--primary);padding:4px 12px;border-radius:var(--radius-full);font-size:0.75rem;font-weight:600;letter-spacing:0.02em;border:1px solid rgba(37,99,235,0.1);transition:all var(--transition)}
.tech-tag:hover{background:var(--primary);color:#fff;transform:translateY(-1px)}
.tech-badge{display:inline-block;background:var(--primary-light);color:var(--primary);padding:5px 12px;border-radius:var(--radius-full);font-size:0.8rem;font-weight:600}
.tech-badge--sm{padding:3px 8px;font-size:0.72rem}
.tech-badges-sm{display:flex;flex-wrap:wrap;gap:4px}

/* ─── SKILL BARS ─── */
.skill-category{margin-bottom:48px}
.skill-category h3{display:flex;align-items:center;gap:12px;font-size:1.2rem;font-weight:700;margin-bottom:24px;padding-bottom:14px;border-bottom:2px solid var(--primary-light);color:var(--text);letter-spacing:-0.01em}
.skill-category h3 i{color:var(--primary);font-size:1.3rem}
.skill-item{margin-bottom:18px}
.skill-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}
.skill-name{font-size:0.9rem;font-weight:600;color:var(--text)}
.skill-level{font-size:0.82rem;font-weight:700;color:var(--primary);font-family:var(--font-mono)}
.skill-bar{height:10px;background:var(--border-light);border-radius:var(--radius-full);overflow:hidden;position:relative}
.skill-bar::before{content:'';position:absolute;inset:0;border-radius:inherit;background:repeating-linear-gradient(90deg,transparent,transparent 8px,rgba(255,255,255,0.15) 8px,rgba(255,255,255,0.15) 16px);z-index:1;pointer-events:none}
.skill-bar-fill,.skill-bar .fill{height:100%;width:0;background:var(--gradient-primary);border-radius:var(--radius-full);transition:width 1.5s cubic-bezier(.16,1,.3,1);position:relative}
.skill-bar .fill::after{content:'';position:absolute;right:0;top:0;bottom:0;width:30px;background:linear-gradient(90deg,transparent,rgba(255,255,255,0.4));border-radius:var(--radius-full);animation:skillShimmer 2s ease-in-out infinite}
@keyframes skillShimmer{0%,100%{opacity:0}50%{opacity:1}}

/* ─── ABOUT ─── */
.about-grid{display:grid;grid-template-columns:auto 1fr;gap:60px;align-items:start}
.about-photo{width:220px;height:220px;border-radius:50%;background:var(--gradient-primary);display:flex;align-items:center;justify-content:center;font-size:4.5rem;color:#fff;box-shadow:0 20px 40px rgba(37,99,235,0.2);position:relative}
.about-photo::before{content:'';position:absolute;inset:-8px;border-radius:50%;border:2px dashed rgba(37,99,235,0.2);animation:aboutSpin 20s linear infinite}
@keyframes aboutSpin{100%{transform:rotate(360deg)}}
.about-info h2{font-size:1.5rem;margin-bottom:16px;font-weight:700;letter-spacing:-0.02em}
.about-info p{color:var(--text-secondary);line-height:1.75;margin-bottom:14px}
.info-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:28px}
.info-item{padding:18px;background:var(--bg-alt);border-radius:var(--radius-sm);border:1px solid var(--border-light);transition:all var(--transition)}
.info-item:hover{border-color:var(--primary);box-shadow:var(--shadow-glow);transform:translateY(-2px)}
.info-item .label{font-size:0.75rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:0.08em;font-weight:600;margin-bottom:4px}
.info-item .value{font-weight:700;color:var(--text)}

/* ─── WATCH ─── */
.watch-card{background:var(--bg-card);border-radius:var(--radius-lg);padding:28px;box-shadow:var(--shadow-sm);border:1px solid var(--border-light);transition:all var(--transition-spring);display:flex;gap:20px}
.watch-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.watch-icon{font-size:2rem;color:var(--primary);width:56px;height:56px;flex-shrink:0;display:flex;align-items:center;justify-content:center;background:var(--primary-light);border-radius:var(--radius-sm)}
.watch-card h3{font-size:1.05rem;margin-bottom:8px;font-weight:700;letter-spacing:-0.01em}
.watch-card p{color:var(--text-secondary);font-size:0.9rem;margin-bottom:12px;line-height:1.65}
.watch-meta{font-size:0.78rem;color:var(--text-muted);display:flex;gap:16px;font-family:var(--font-mono)}

/* ─── CONTACT ─── */
.contact-form{background:var(--bg-card);border-radius:var(--radius-lg);padding:40px;box-shadow:var(--shadow-sm);border:1px solid var(--border-light)}
.form-group{margin-bottom:22px}
.form-label{display:block;margin-bottom:8px;font-weight:600;font-size:0.88rem;color:var(--text);letter-spacing:-0.01em}
.form-input{width:100%;padding:13px 18px;border:1.5px solid var(--border);border-radius:var(--radius-sm);font-family:var(--font);font-size:0.95rem;transition:all var(--transition);background:var(--bg);color:var(--text)}
.form-input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px var(--primary-glow),var(--shadow-sm)}
.form-input::placeholder{color:var(--text-muted)}
textarea.form-input,.form-textarea{resize:vertical;min-height:140px;width:100%;padding:13px 18px;border:1.5px solid var(--border);border-radius:var(--radius-sm);font-family:var(--font);font-size:0.95rem;transition:all var(--transition);background:var(--bg);color:var(--text)}
.form-textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px var(--primary-glow)}
.honeypot{position:absolute;left:-9999px}
.form-error{color:var(--error);font-size:0.8rem;margin-top:4px}

/* ─── ACCESS PAGE ─── */
.access-page{background:var(--gradient-hero);min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;position:relative;overflow:hidden}
.access-page::before{content:'';position:absolute;top:50%;left:50%;width:800px;height:800px;transform:translate(-50%,-50%);background:radial-gradient(circle,rgba(37,99,235,0.06) 0%,transparent 60%);border-radius:50%;animation:heroFloat 12s ease-in-out infinite}
.access-card{background:var(--bg-glass);backdrop-filter:blur(20px);border-radius:var(--radius-xl);padding:52px 44px;box-shadow:var(--shadow-lg);text-align:center;border:1px solid rgba(226,232,240,0.6);max-width:440px;width:100%;position:relative}
.access-card .logo{font-size:3rem;margin-bottom:16px;display:block}
.access-card .logo i{background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.access-card h1{font-size:1.6rem;margin-bottom:10px;font-weight:800;letter-spacing:-0.02em}
.access-card p{color:var(--text-secondary);font-size:0.9rem;margin-bottom:28px;line-height:1.65}
.access-card .form-group{text-align:left}

/* ─── ALERTS ─── */
.alert{padding:14px 20px;border-radius:var(--radius-sm);margin-bottom:20px;display:flex;align-items:center;gap:10px;font-size:0.9rem;animation:alertIn .4s ease;font-weight:500;backdrop-filter:blur(10px)}
.alert-success{background:var(--success-bg);color:var(--success);border:1px solid rgba(5,150,105,0.2)}
.alert-error{background:var(--error-bg);color:var(--error);border:1px solid rgba(220,38,38,0.2)}
.alert-warning{background:var(--warning-bg);color:var(--warning);border:1px solid rgba(217,119,6,0.2)}
.alert-info{background:var(--info-bg);color:var(--info);border:1px solid rgba(37,99,235,0.2)}
@keyframes alertIn{from{transform:translateY(-15px) scale(0.95);opacity:0}to{transform:translateY(0) scale(1);opacity:1}}
.flash{padding:14px 20px;border-radius:var(--radius-sm);margin-bottom:20px;display:flex;justify-content:space-between;align-items:center;font-size:0.9rem;animation:alertIn .4s ease}
.flash--success{background:var(--success-bg);color:var(--success);border:1px solid rgba(5,150,105,0.2)}
.flash--error{background:var(--error-bg);color:var(--error);border:1px solid rgba(220,38,38,0.2)}
.flash--info{background:var(--info-bg);color:var(--info);border:1px solid rgba(37,99,235,0.2)}
.flash__close{background:none;border:none;font-size:1.2rem;cursor:pointer;color:inherit;opacity:0.6;padding:0 4px}

/* ─── FOOTER ─── */
.footer{background:var(--bg-alt);border-top:1px solid var(--border-light);padding:32px 0}
.footer-content{display:flex;justify-content:space-between;align-items:center}
.footer-text{font-size:0.85rem;color:var(--text-muted)}
.footer-links{display:flex;align-items:center;gap:16px}
.footer-links a,.footer-links button{color:var(--text-muted);font-size:0.85rem;transition:color var(--transition)}
.footer-links a:hover,.footer-links button:hover{color:var(--primary)}

/* ─── ERROR PAGE ─── */
.error-page{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;text-align:center;gap:12px;padding:24px}
.error-page h1{font-size:8rem;font-weight:800;letter-spacing:-0.05em;background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;opacity:0.7}
.error-page h2{font-size:1.5rem;font-weight:700}
.error-page p{color:var(--text-secondary);margin-bottom:20px}

/* ─── UTILITIES ─── */
.text-center{text-align:center}
.text-muted{color:var(--text-muted)}
.text-success{color:var(--success)}
.text-error{color:var(--error)}
.mt-1{margin-top:8px}.mt-2{margin-top:16px}.mt-3{margin-top:24px}
.mb-1{margin-bottom:8px}.mb-2{margin-bottom:16px}.mb-3{margin-bottom:24px}
.empty-state{text-align:center;padding:60px 20px;color:var(--text-muted);font-size:1rem}
.inline-form{display:inline}
.back-link{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:600;margin-bottom:16px;font-size:0.9rem;transition:all var(--transition)}
.back-link:hover{gap:10px}

/* ─── RESPONSIVE ─── */
@media(max-width:1024px){
    .about-grid{grid-template-columns:1fr;justify-items:center;text-align:center}
    .about-info{text-align:left}
    .grid-3{grid-template-columns:repeat(2,1fr)}
    .hero{text-align:center;padding:100px 0 80px}
    .hero-buttons{justify-content:center}
    .hero-content>p{margin-left:auto;margin-right:auto}
}
@media(max-width:768px){
    .nav-links{display:none;position:fixed;top:var(--nav-height);right:0;bottom:0;width:300px;background:var(--bg-glass);backdrop-filter:blur(20px);flex-direction:column;padding:24px;gap:4px;box-shadow:var(--shadow-lg);z-index:999;border-left:1px solid var(--border-light)}
    .nav-links.open{display:flex;animation:slideInRight .35s ease}
    .nav-links li a.active{box-shadow:none}
    .hamburger{display:block}
    .hero{padding:70px 0 50px}
    .hero-content h1{font-size:2rem}
    .section{padding:60px 0}
    .section-title h2{font-size:1.6rem}
    .grid-3,.grid-2{grid-template-columns:1fr}
    .footer-content{flex-direction:column;gap:10px;text-align:center}
    .page-header{padding:50px 0 35px}
    .page-header h1{font-size:1.8rem}
    .watch-card{flex-direction:column}
    .info-grid{grid-template-columns:1fr}
    .about-photo{width:160px;height:160px;font-size:3.5rem}
}
@keyframes slideInRight{from{transform:translateX(100%);opacity:0}to{transform:translateX(0);opacity:1}}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}